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WO2016117829A1 - Respirateur - Google Patents

Respirateur Download PDF

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Publication number
WO2016117829A1
WO2016117829A1 PCT/KR2015/013710 KR2015013710W WO2016117829A1 WO 2016117829 A1 WO2016117829 A1 WO 2016117829A1 KR 2015013710 W KR2015013710 W KR 2015013710W WO 2016117829 A1 WO2016117829 A1 WO 2016117829A1
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WO
WIPO (PCT)
Prior art keywords
oxygen
valve
air supply
hole
control valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2015/013710
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English (en)
Korean (ko)
Inventor
김종기
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sancheong Co Ltd
Original Assignee
Sancheong Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020150075030A external-priority patent/KR101583686B1/ko
Application filed by Sancheong Co Ltd filed Critical Sancheong Co Ltd
Publication of WO2016117829A1 publication Critical patent/WO2016117829A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/20—Valves specially adapted to medical respiratory devices

Definitions

  • the present invention relates to a ventilator, and more particularly to a ventilator for supplying oxygen to a patient that is unable to self-breath.
  • the ventilator is used in the intensive care unit or emergency room of a hospital, and automatically breathes the patient by supplying oxygen to the patient immediately after stopping the breathing, the patient having difficulty in self-breathing, or the self-breathing due to oxygen deficiency.
  • Device automatically breathes the patient by supplying oxygen to the patient immediately after stopping the breathing, the patient having difficulty in self-breathing, or the self-breathing due to oxygen deficiency.
  • the ventilator is important to supply oxygen in the oxygen amount and respiratory cycle corresponding to the breathing ability of the patient, the prior art related to such a ventilator is an automatic respiratory apparatus disclosed in US Patent No. 5,520,170.
  • the automatic breathing apparatus of the prior art has a manual button and a control slider installed in a housing shell having an oxygen inlet and an outlet, and a pressure regulator, a main switch, a timing shuttle, a demand valve, a flow control rotor and a diaphragm housing installed inside the housing shell. Breathe the patient by supplying oxygen through the organic operation of the
  • the automatic breathing apparatus of the prior art is formed with a plurality of flow holes in the disk to adjust the flow rate of oxygen, the respiratory cycle is controlled through a plurality of orifices. That is, as the disk is rotated by the control slider, the supply amount and supply period of oxygen are varied as the volume of the flow hole and the orifice is changed.
  • control slider for rotating the disk is connected to the disk through a separate groove provided on the side of the housing shell, which is very complicated to manufacture and assemble, and the manufacturing cost is high. To rise.
  • the applicant of the present invention in order to provide a more functionally convenient artificial respiratory device, the patent application for the application of a utility model registration of the artificial respiratory device to the Republic of Korea has been registered as No. 20-440379 (oxygen supply automatic respirator).
  • a time cylinder 200 installed to supply differentially supplied oxygen to the main valve 300 to block oxygen supplied to the main valve from the regulator; Main valve 300; A regulator (100) installed to differentially supply the injected oxygen to a prescribed pressure and then supply the main valve (300) and the time cylinder (200); A control valve 400 installed to adjust the amount of oxygen supplied to the oral cavity of the patient by operating the knob 410 when transferring the oxygen of the main valve 300 to the following air supply unit 600; And an air supply unit 600 installed to supply the patient's breath back to the control valve 400 during the spontaneous breathing of the patient through the spontaneous breathing unit 500.
  • the main valve 300 is the first oxygen inlet hole 310 and the first connected to the regulator 100 and the control valve 400 so as to be opened and closed by the operation of the first piston 360 built in the inside
  • a second actuator inlet 350 is provided at one side of the first cover 370 supporting the first piston 360 while the oxygen exhaust hole 330 is provided, respectively, and the time cylinder 200 is provided.
  • a third respirator inlet hole 210 connected to the control valve is provided at one side, and the main valve is automatically opened and closed by the operation of the time cylinder.
  • control valve 400, the actuator 470 is installed to adjust the supply amount of oxygen from the main valve 300 to the air supply unit 600, to adjust the amount of oxygen supplied to the time cylinder 200 It is characterized in that the adjustment pin 450 for adjusting the respiratory rate according to the patient body type.
  • the automatic respirator, the control valve 400, the spontaneous breathing unit 500, the air supply unit 600 and the fixing cap 670 is disposed in the vertical direction of the housing 700, the horizontal of the housing 700
  • the regulator 100 and the main valve 300 and the time cylinder 200 is disposed in the direction.
  • control valve 400 characterized in that the tapered surface 470a is formed at the end of the actuator 470 to accurately control the amount of oxygen.
  • the air supply unit 600, the mask connector 660, the exhaust diaphragm 640 and the air supply valve 620 is provided, one side of the air supply valve 620 is connected to the drain valve main valve 300 It is characterized in that the further provided.
  • the oxygen of the regulator 100 may not be released even when the main valve 300 is closed. 200 is continuously supplied, and there is a risk of malfunction since the operation of the main valve 300 is controlled through the time cylinder 200 regardless of the operation state of the main valve 300. That is, since the oxygen of the regulator 100 is directly supplied to the time cylinder 200 that controls the operation of the main valve 300, the time cylinder 200 may malfunction the main valve 300 by the oxygen of the regulator 100. Can be.
  • the actuator 470 moves in conjunction with the rotation amount of the knob 410 to move the time cylinder through the actuator 470.
  • the actuator 470 moves in conjunction with the rotation amount of the knob 410 to move the time cylinder through the actuator 470.
  • the spontaneous breathing unit 500 which is provided separately from the time cylinder 200 and controls the operation of the main valve 300 together with the time cylinder 200, includes a pressing plate 560, a sensing plate 550, and a first and Since the second respirator holes 510 and 530 are complicated, the number of parts is increased and the assembly process is increased, thereby greatly increasing the unit cost of the product.
  • the emergency button 22 of the trigger type to be manually operated is provided, the configuration of the emergency button 22 is very complicated and there is a risk of malfunction as well as the operation structure is complicated, the operation reliability is somewhat insufficient.
  • another object of the present invention is to provide a respirator having a mechanism capable of easily mounting the above-described rotating member and controlling the rotation angle of the above-mentioned rotating member.
  • Another object of the present invention is to provide an artificial respiratory apparatus which can easily decompress oxygen mechanically and further supply or stop oxygen by the pressure of the decompressed oxygen.
  • Another object is to provide a ventilator capable of supplying air.
  • another object of the present invention is to provide a respirator capable of doubling the pressure of oxygen supplied for the operation of a member embedded therein.
  • another object of the present invention is to provide an artificial breathing apparatus capable of exhausting oxygen supplied to the human body when exhaling due to spontaneous breathing.
  • Technical idea of the present invention for achieving the above object has a supply port connected to the oxygen tank, the housing having a discharge port connected to the oral cavity or nasal cavity of the patient;
  • a pressure reducing valve built in the housing and configured to reduce the oxygen pressure of the oxygen tank supplied through the supply port of the housing to supply air by reducing the pressure;
  • An air supply control valve for controlling the air supply by opening or closing the movement path while providing a movement path of oxygen provided by the pressure reducing valve;
  • a flow rate control valve controlling a flow rate of oxygen provided by the opening operation of the air supply control valve;
  • an air supply passage configured to receive oxygen from the flow control valve and guide the oxygen to the outlet of the housing.
  • the flow control valve may include, for example, a valve cylinder having a supply hole for receiving oxygen from the air supply control valve and a discharge hole for discharging oxygen, and providing a valve seat between the supply hole and the discharge hole; A flow control valve member movably embedded in the valve cylinder and controlling a discharge flow rate of oxygen discharged to the discharge hole of the valve cylinder by varying a distance from the valve seat while moving by a rotational force provided from the outside; A dial rotatably fixed to the housing to provide rotational force to the flow control valve member while rotating; And a connector connecting the dial to the flow control valve member to link the dial and the valve member.
  • the connector may include, for example, a rotary ring integrally fixed to the valve member to rotate together with the flow control valve member; A fastener detachably fixing the rotary ring to the flow control valve member; A fitting protrusion protruding toward the dial from one side of the rotating ring; And a groove holder provided on the dial and fixed to a locked state by fitting the fitting protrusion.
  • the fastener is, for example, a cutout provided in the same body in the rotary ring as a portion of the rotary ring which is fitted to one side of the flow control valve member is cut; A pair of spaced apart protrusions each protruded from a portion of the rotary ring in which both ends of the cutout are positioned to be spaced apart from each other; And a rotation ring fastening member for fastening the rotary ring to the flow control valve member by reducing the separation width of the spacer protrusions while being fastened to the spacer protrusions.
  • the connector may further include, for example, a stopper for controlling the rotation angle of the dial.
  • the stopper may include, for example, side wings protruding from both sides of the rotary ring to rotate together with the rotary ring to contact a peripheral fixing member located outside the rotary ring to suppress rotation of the dial at a set angle. Can be configured.
  • the stopper may further include a spacer configured to additionally control a rotation angle of the dial by the stopper by adjusting a separation distance between one side of the side wing and the fixing member in contact with the fixing member.
  • the spacer for example, is screwed to one side of the side wing is fixed so as to protrude, and the contact with the fixing member preferentially than one side of the side wing by the rotating side wing;
  • the pressure reducing valve has, for example, an air supply port for receiving oxygen compressed from the oxygen tank, and a valve seat having a hole for communicating oxygen to the air supply port, and receiving oxygen supplied from the air supply port on the other side.
  • a pressure reducing cylinder having an exhaust port for discharging;
  • a valve piston movably embedded in the decompression cylinder to reduce pressure of oxygen while opening and closing the valve seat of the air supply port;
  • a piston spring elastically supporting the valve piston.
  • the air supply control valve may include: a valve housing having a supply orifice for receiving oxygen from the pressure reducing valve and a discharge orifice for discharging oxygen from the supply orifice and supplying the oxygen to the flow control valve; A valve plunger movably embedded in the valve housing to open and close the supply or discharge orifice; And a plunger spring elastically supporting the valve plunger.
  • the present invention it is necessary to further include an overflow unit for discharging a portion of the oxygen guided to the outlet of the housing through the air supply passage to the outside.
  • the overflow unit may include, for example, a collecting chamber configured to collect oxygen that overflows through the air supply passage and exhaust the oxygen to an exhaust hole provided at one side; And a relief valve mounted to the exhaust hole of the collection chamber and opening and closing the exhaust hole while operating by the pressure of oxygen collected in the collection chamber.
  • the relief valve may include, for example, a valve disc that opens and closes an exhaust hole of the collection chamber; A disc support spring for elastically supporting the valve disc; And a spring seat for restraining the disk support spring from being restrained by restraining the disk support spring.
  • the relief valve it is necessary to further include a spring adjuster for adjusting the elastic force of the disk support spring by moving the spring seat.
  • the spring adjuster may include, for example, a screw member for screwing the spring sheet to the chamber case or the housing of the collection chamber.
  • the present invention may further include an operation control unit for controlling the operation of the air supply control valve in accordance with the pressure of oxygen supplied to the flow control valve.
  • the operation control unit may include, for example, a bypass valve for bypassing a part of oxygen provided to the flow control valve to the outside through the air supply control valve; And supplying a part of the decompressed oxygen supplied from the pressure reducing valve to the air supply control valve while operating by the bypass oxygen of the bypass valve to control the operation of the air supply control valve through the partial decompressed oxygen.
  • Control valve can be configured to include.
  • the bypass valve is provided with a communication hole communicating with the flow control valve, for example, a portion of oxygen supplied to the flow control valve is filled through the communication hole, and the supplied oxygen is supplied to the operation control valve.
  • An oxygen charging chamber having a bypass hole for passing; And an inclined valve member movably embedded in the oxygen charging chamber and having an inclined surface to move inwardly of the communicating hole to change a cross sectional area of the communicating hole.
  • the operation control valve may include, for example, a bypass port through which bypass oxygen of the bypass valve is introduced, and an inflow port through which some decompressed oxygen supplied from the decompression valve is introduced, and the inflow port.
  • a valve chest having a discharge port for discharging the decompressed oxygen in parallel; It is built in the valve chest, the inlet port and the outlet port to communicate or block through the spliner of the outer peripheral surface while moving by the bypass oxygen flowing into the bypass port, and is introduced into the inlet port through the outlet port
  • the present invention may further include a manual control valve for directly supplying oxygen supplied from the pressure reducing valve to the air supply passage.
  • the manual control valve may include, for example, a manual valve case having an input hole receiving oxygen reduced in pressure from the pressure reducing valve on one side, and an output hole for discharging oxygen introduced into the input hole on the other side; An opening and closing member movably embedded in the manual valve case to open and close at least one of the input hole and the output hole; An elastic body for elastically supporting the opening and closing member; And a trigger rotatably provided at one side of the opening / closing member and pressing the opening / closing member supported by the elastic body while being rotated to open the input hole.
  • the operation control unit further includes a pressurizing chamber installed on a flow path connecting between the bypass valve and the operation control valve to pressurize oxygen supplied from the bypass valve to the operation control valve. .
  • the flow rate variable unit for varying the flow rate of the oxygen guided through the air supply passage by exhausting at least a portion of the oxygen guided by the air supply passage to the outside or blocking the exhaust; have.
  • the flow rate variable unit may include, for example, a drain valve having a drain hole communicating with the air supply passage, and opening or closing the drain hole to exhaust at least a portion of oxygen guided through the air supply passage; And a switching valve providing oxygen provided from the pressure reducing valve to the drain valve to operate the drain valve.
  • the drain valve may include, for example, a drain body having the other side communicated with the air supply passage to communicate oxygen in the air supply passage through the other side, and having the drain hole at one side; An opening and closing unit movably embedded in the drain body and opening / closing the drain hole while being moved by oxygen of the switching valve supplied to the drain body; And a drain spring elastically supporting the opening and closing bundle.
  • the switching valve may include, for example, a needle housing having an oxygen inlet hole through which oxygen provided from the pressure reducing valve is introduced, and an oxygen supply hole communicating with the oxygen inlet hole and supplying oxygen introduced into the oxygen inlet hole to the drain valve; A needle for opening and closing the oxygen inlet hole of the needle housing while being movably embedded in the needle housing; And a needle spring elastically supporting the needle.
  • the switching valve has, for example, an oxygen inlet hole through which oxygen provided from the pressure reducing valve is introduced, and has an oxygen supply hole communicating with the oxygen inlet hole and supplying oxygen introduced into the oxygen inlet hole to the drain valve.
  • a needle housing having a filling hole and a guide hole into which oxygen of the pressure reducing valve supplied from the pressure reducing valve to the manual control valve is introduced;
  • a needle movably embedded in the needle housing to open or close the oxygen inlet hole of the needle housing or to communicate the oxygen supply hole and the guide hole of the needle housing;
  • a needle spring elastically supporting the needle is elastically supporting the needle.
  • the manufacturing cost can be reduced through the reduction of the components as well as the manufacturing process. Since the operation of the air supply control valve is controlled even without a self-breathing breathing unit, the manufacturing cost can be reduced by reducing the components, and the manufacturing process can be shortened, and a connector is provided to the flow control valve member of the flow control valve. The flow rate is adjusted by rotating the flow control valve member which controls the flow rate of oxygen directly supplied to the human body while the connected dial is rotated, so that the flow rate of oxygen supplied to the human body can be easily adjusted to an appropriate amount for the human body.
  • the rotation angle of the flow regulating valve member is determined according to the rotation angle of the dial, the responsiveness at the time of flow regulation is not only improved, but the amount of oxygen supplied to the human body can be precisely adjusted to a desired amount.
  • the dial As the dial is fixed to the flow regulating valve member through the connector, the dial can be easily attached to the flow regulating valve member, thereby improving assembly convenience and reassembling it if necessary, thereby reassembling the dial.
  • the fastening member constituting the fastener of the connector is fastened to the separating protrusion protruding from the rotary ring, the dial can be fixed to the flow regulating valve member through the rotary ring without damaging the flow regulating valve member.
  • the rotary ring can be reassembled if necessary, and furthermore, since the connector is provided with a stopper, the rotation angle of the dial can be set at a desired angle, thereby precisely controlling the operation of the flow regulating valve member.
  • the spacer provided in the stopper allows the side wing of the stopper to be spaced apart from the flow regulating valve member by a desired distance, so that the operation of the flow regulating valve member can be more precisely controlled and the assembly dispersion of the rotary ring can be adjusted. have.
  • valve piston of the pressure reducing valve is operated by the pressure of oxygen introduced into the pressure reducing cylinder of the pressure reducing valve, not only can the pressure of the introduced oxygen be easily reduced but also it can be operated without a power supply, and in addition, the air supply control valve
  • the valve plunger of the valve opening and closing the supply orifice while moving inside by the pressure of the oxygen of the valve housing or the elastic force of the spring can easily supply or stop the supplied oxygen.
  • the relief valve of the overflow unit is operated by oxygen pressure so that the relief valve can be easily operated.
  • the valve disc of the relief valve is supported by the disc support spring, the relief valve can be easily configured, and the elastic force of the disc support spring can be adjusted through the spring adjuster to operate the valve disc at a desired pressure. It is possible to precisely control the displacement of the overflow overflow, and the spring adjuster is made of a screw structure, so that the spring adjuster can be easily operated.
  • the operation control unit controls the operation of the air supply control valve in accordance with the pressure of oxygen, it is possible to operate the air supply control valve automatically automatically.
  • the operation control valve of the operation control unit for controlling the operation of the air supply control valve is As it is operated by a part of oxygen bypassed from the pass valve, it is possible to operate the operation control valve slowly and automatically.In addition, it is operated by a part of oxygen bypassed, so that the operation control valve is operated in response to the breathing cycle. Can control the operation.
  • the operation control valve can be operated according to the state of the air supply control valve, thereby enabling accurate and precise control of the air supply control valve.
  • bypass valve is composed of an inclined valve member having an oxygen filling chamber and an inclined surface, not only the bypass valve can be easily configured, but also the inclined valve member is supplied to the human body when the inclined valve member is configured to be pressed against the flow regulating valve member. It is possible to adjust the flow rate of oxygen bypassed to the operation control valve at the same time with the flow rate of the oxygen, and the operation control valve is composed of valve chest, spool and spool spring and operated by oxygen pressure, so the operation control valve can be easily and automatically It can work.
  • a manual control valve since a manual control valve is provided, oxygen can be manually supplied to the human body in an emergency.
  • the manual control valve is mechanically operated, so that the manual control valve can be stably operated as well as easily configured. Since a trigger is provided, the manual control valve can be easily operated.
  • the flow rate variable unit is interlocked with the air supply control valve or the manual control valve to exhaust oxygen to the outside or block the exhaust so that Since it is not interference (mixing), it is possible to prevent the re-suction of the discharged air by the vortex of the discharged air by oxygen.
  • the flow rate variable unit is composed of a drain valve connected to the air supply passage and a switching valve for controlling the operation of the drain valve in conjunction with the air supply control valve or the manual control valve, the flow rate variable unit can be operated mechanically.
  • the drain hole of the drain valve is opened and closed by an opening and closing bundle operated by oxygen supplied from an air supply control valve or a manual control valve, the drain valve can be operated accurately during exhalation.
  • the drain valve can be easily interlocked with the air supply control valve or the manual control valve.
  • FIG. 1 is a perspective view of a respirator according to an embodiment of the present invention.
  • FIG. 2 is a cross-sectional view showing the internal configuration of the ventilator according to an embodiment of the present invention.
  • Figure 3 is a cross-sectional view of the internal configuration of the ventilator according to an embodiment of the present invention from the top.
  • FIG. 4 is a system diagram schematically showing the overall configuration of the ventilator according to an embodiment of the present invention.
  • Figure 5 is a cross-sectional view showing the configuration of a pressure reducing valve applied to the ventilator according to an embodiment of the present invention.
  • Figure 6 is an actual view 6 of the present invention is an operation of the pressure reducing valve applied to the respirator according to an embodiment of the present invention.
  • FIG. 7 is a cross-sectional view showing the configuration of an air supply control valve applied to a respirator according to an embodiment of the present invention.
  • FIG 8 is an operation view showing the operation of the air supply control valve applied to the ventilator according to an embodiment of the present invention.
  • FIG. 9 is a cross-sectional view showing the configuration of a flow control valve applied to the ventilator according to an embodiment of the present invention.
  • FIG. 10 is a plan view showing the configuration of a connector applied to the flow control valve of the ventilator according to an embodiment of the present invention.
  • 11 is a cross-sectional view showing the configuration of an overflow unit applied to the ventilator according to an embodiment of the present invention.
  • FIG 12 is an operation view showing the operation of the overflow unit applied to the ventilator according to an embodiment of the present invention.
  • FIG. 13 is a cross-sectional view showing the configuration of an operation control unit applied to the ventilator according to an embodiment of the present invention.
  • 15 is a cross-sectional view showing the configuration of a manual control valve applied to the ventilator according to an embodiment of the present invention.
  • 16 is an operation of a manual control valve applied to the respirator according to an embodiment of the present invention.
  • 17 is an operation of the ventilator according to an embodiment of the present invention.
  • FIG. 18 is a system diagram showing that the flow rate variable unit is installed in the ventilator according to an embodiment of the present invention.
  • FIG. 19 is an enlarged cross-sectional view of the flow rate variable unit illustrated in FIG. 18.
  • FIG. 20 is a system diagram showing an operating state during exhaust of the variable flow unit shown in FIG. 18.
  • FIG. 21 is an enlarged cross-sectional view of the flow rate variable unit illustrated in FIG. 20.
  • FIG. 22 is a system diagram showing an interlocking state between the flow rate variable unit and the manual control valve shown in FIG. 18.
  • FIG. 23 is an enlarged cross-sectional view of the flow rate variable unit illustrated in FIG. 22.
  • the artificial respiration apparatus includes a housing 10, a pressure reducing valve 20, an air supply control valve 30, a flow control valve 40, and an air supply passage 60. It includes.
  • the housing 10 is to connect the oxygen (oxygen) of the oxygen tank (not shown) to the respiratory tract of the patient, the pressure reducing valve 20, the air supply control valve 30, the flow control valve 40 and the air supply passage 60 and components to be described later are built in, and both sides of the supply port 11 and the discharge port 12 are provided.
  • the housing 10 has a member such as a breathing mask 13 at an outlet 12 through which a supply port 11 through which oxygen is supplied is connected to an oxygen tank (not shown) through a connection member such as a coupler and through which oxygen is discharged. Is connected to supply oxygen to the oral cavity or nasal cavity of the patient through the breathing mask (13).
  • the pressure reducing valve 20 is built in the housing 10 described above, and decompresses the oxygen pressure of the oxygen tank supplied through the supply port 11 of the housing 10 to reduce other components.
  • the pressure reducing valve 20 may be configured to include a pressure reducing cylinder 21, a valve piston 22 and a piston spring 23 as shown.
  • the decompression cylinder 21 has an air supply port 24 for receiving compressed oxygen from an oxygen tank at one side, and has a valve seat 20a having a hole for communicating oxygen to the air supply port 24, and at the other side.
  • a plurality of exhaust ports 25 and 26 are formed in communication with the air supply port 24 to discharge oxygen supplied from the air supply port 24, respectively.
  • the exhaust ports 25 and 26 are the first exhaust port 25 connected through the air supply control valve 30 and the first flow path D1, and the manual control valve 70 and the second flow path (to be described later) It may be composed of a second exhaust port 26 connected through D2).
  • the valve piston 22 is movably embedded through the oxygen pressure supplied to the pressure reduction cylinder 21 to open and close the hole of the valve seat 20a provided in the air supply port 24.
  • the valve piston 22 opens and closes the hole of the valve seat 20a through the valve head 22a provided on the connecting shaft as shown.
  • Such a valve piston 22 is supported by a piston spring 23 which will be described later, and opens the valve seat 20a. That is, since the valve piston 22 is normally maintained by the elastic force of the piston spring 23, the valve head 22a is spaced apart from the valve seat 20a to open the valve seat 20a as shown. Accordingly, the valve piston 22 supplies oxygen introduced into the air supply port 24 to the first exhaust port 25 and the second exhaust port 26.
  • valve piston 22 shields the valve seat 20a as shown in FIG. 6 while moving by the increased pressure of oxygen when the pressure of oxygen supplied to the air supply port 24 increases due to pulsation or the like. do.
  • the valve piston 22 moves together with the valve head 22a while compressing the piston spring 23 as shown in FIG. 6 to shield the valve seat 20a. That is, the valve piston 22 closes the hole of the valve seat 20a by bringing the moving valve head 22a into close contact with the valve seat 20a. Therefore, the valve piston 22 stops the supply of oxygen supplied to the first exhaust port 25 and the second exhaust port 26.
  • valve piston 22 returns to its original position with the valve head 22a as the piston spring 23 expands again when the pressure of the oxygen supplied to the air supply port 24 is attenuated to the normal state again. At this time, the valve piston 22 opens the valve seat 20a again to supply the air supply port 24 to oxygen again to the first exhaust port 25 and the second exhaust port 26.
  • valve piston 22 depressurizes the pressure of oxygen while repeatedly opening and closing the valve seat 20a according to the pressure of oxygen flowing into the air supply port 24. Accordingly, the first exhaust port 25 and the second exhaust port 26 may supply oxygen absorbed.
  • valve piston 22 described above may be provided with a groove-shaped collecting portion 22b in the valve head 22a as shown.
  • the collecting part 22b collects oxygen and concentrates the pressure of oxygen in the valve head 22a. Therefore, the valve piston 22 can be easily moved by the collecting portion 22b when the pressure of oxygen increases.
  • the piston spring 23 elastically supports the valve piston 22.
  • the piston spring 23 is inserted into a spring insertion groove 27 formed on one side of the valve piston 22 and the other side of the piston spring 23 protrudes from the pressure reducing cylinder 21 on the outer circumferential surface of the first spring seat 28. And elastically supports the valve piston 22.
  • the piston spring 23 is stretched by the movement of the valve piston 22 as described above.
  • the air supply control valve 30 controls the flow of air supply by opening or closing the movement path while providing a movement path of oxygen provided by the pressure reducing valve 20 described above.
  • the air supply control valve 30 may include a valve housing 31, a valve plunger 32, and a plunger spring 33.
  • the valve housing 31 discharges the oxygen supplied to the supply orifice 34 and the supply orifice 34 receiving oxygen from the pressure reducing valve 20, and provides the discharge orifice 35 to the flow control valve 40. It has a movement path of oxygen.
  • the supply orifice 34 is connected to the pressure reducing valve 20 and the first flow path (D1) as shown in Figure 4 to receive oxygen.
  • the discharge orifice 35 is connected to the flow control valve 40 through the third flow path D3, as shown in FIG.
  • the valve plunger 32 is movably embedded in the valve housing 31 in the longitudinal direction to open and close the supply orifice 34 or the discharge orifice 35 while moving in the longitudinal direction in the valve housing 31. At this time, the valve plunger 32 is provided with a first O-ring 36 on the outer circumferential surface of the tip for opening and closing the supply and discharge orifices 34 and 35 so that the tip side is sealed.
  • the plunger spring 33 is to elastically support the valve plunger 32 in the valve housing 31, one side is supported by the valve plunger 32, the other side is a spring support formed in the valve housing 31 It is supported by the jaw 37.
  • the plunger spring 33 is installed to press the valve plunger 32 to one side of the valve housing 31. That is, the valve plunger 32 is elastically supported and deflected to one side.
  • the valve plunger 32 is normally located on one side of the valve housing 31 as shown by the elastic force of the plunger spring 33 to maintain the open and discharge orifices 34 and 35.
  • the air supply control valve 30 has oxygen introduced therein through the first flow path D1 connecting the pressure reducing valve 20 and the supply orifice 34, and discharges the introduced oxygen into the discharge orifice ( Supply to the flow control valve 40 through 35).
  • the air supply control valve 30 when the valve plunger 32 is introduced into the supply hole 38 described later through the sixth flow path D6 to one side of the valve housing 31, It moves while compressing the plunger spring 33 by the oxygen pressure of the supply hole 38. At this time, the valve plunger 32 shields the discharge orifice 35 to block oxygen supplied into the flow control valve 40 through the third flow path D3.
  • the aforementioned supply hole 38 is connected to the operation control valve 101 through the sixth flow path D6, as shown in FIG.
  • one end of the sixth flow path D6 is connected to the supply hole 38 of the air supply control valve 30, and the other end thereof is connected to the discharge port 115 of the operation control valve 101. Is communicated with the operation control valve 101.
  • the flow control valve 40 may include a valve cylinder 41, a flow control valve member 42, a dial 43, and a connector 44.
  • the valve cylinder 41 has a supply hole 45 for receiving oxygen from the air supply control valve 30 and a discharge hole 46 for discharging the supplied oxygen, between the supply hole 45 and the discharge hole 46.
  • the supply hole 45 is connected to the third flow path D3 connected to the discharge orifice 35 of the air supply control valve 30, and the discharge hole 46 is supplied to the air supply path 60 and the fourth channel. Connected via (D4).
  • the flow control valve member 42 is embedded in the valve cylinder 41 so as to be movable up and down, and is discharged by varying the interval with the valve seat 47 while moving up and down by a rotational force provided by an external dial 43.
  • the discharge flow rate of oxygen discharged to the ball 46 is adjusted. That is, the flow control valve member 42 is directly linked with the dial 43.
  • the dial 43 is rotatably fixed on the outside of the housing 10 to provide rotational force to the flow control valve member 42 while rotating.
  • a pointer is provided on the dial 43, and a weight or the like may be displayed on the surface of the outer housing 10 on which the dial 43 is rotated. Accordingly, it can be set while rotating the dial 43 so that a suitable amount of oxygen is supplied in accordance with the weight of the patient. (Not shown)
  • the oxygen supply amount is set in advance by data-setting the amount of oxygen required according to the body weight, and since such a technique is well known in the art, a detailed description thereof will be omitted.
  • the connector 44 connects the dial 43 to the flow regulating valve member 42 to interlock the dial 43 and the flow regulating valve member 42.
  • the connector 44 may include a rotary ring 48, a fastener, a fitting protrusion 50, and a protrusion holder 51.
  • the rotary ring 48 is integrally fixed to the flow control valve member 42 and rotates together with the flow control valve member 42.
  • the fastener removably secures the rotary ring 48 to the flow regulating valve member 42.
  • the fastener may be composed of a cutout 52, a spacer 53, 53a, and a rotation ring fastening member.
  • the cutout 52 is a portion of the rotary ring 48 that is fitted to one side of the flow control valve member 42 is cut and provided in the rotary ring 48 in the same body.
  • the spacing protrusions 53 and 53a are protruded from portions of the rotation ring 48 at which both ends of the cutout 52 are positioned to form a spaced state from each other.
  • the rotary ring fastening member reduces the separation width of the spacer protrusions 53 and 53a while being fastened to the spacer protrusions 53 and 53a, that is, the diameter of the rotary ring 48 is reduced to reduce the flow rate of the rotary ring 48. It is fixed to the valve member 42.
  • the rotating ring fastening member may be made of various types of bolts 54, as shown in the drawing, the fastening holes 55, the bolt 54 is screwed is formed in the separation projections (53, 53a) Can be fastened to each other.
  • the rotary ring 48 can be easily detachably fixed to the flow control valve member 42 by screwing.
  • the surface of the flow regulating valve member 42 and the bolt 54 of the rotary ring fastening member are not in direct contact with each other. It is possible to prevent the scratches in the form of grooves caused by the bolts 54 on the surface. That is, when the flow control valve member 42 has an end of the bolt 54 fastened to the outer circumferential surface as a stop screw and the outer circumferential surface is pressurized, a groove may be formed by the end of the bolt 54, but the bolt 54 may be formed.
  • the bolt 54 is fastened to the flow control valve member 42 as a stop screw as described above, it is very difficult to refasten the bolt 54 to a position close to the first fastened position. This is because the bolt 54 has a groove formed at the outer circumferential surface of the flow regulating valve member 42 at the time of the first fastening, so that the end of the bolt 54 is reinserted into the initially formed groove even when the bolt 54 is fastened again to a position close to the initial fastening position.
  • the bolt 54 is installed laterally on the side of the flow regulating valve member 42 as described above, and thus does not form a groove on the surface of the flow regulating valve member 42. Can be locked in position.
  • the fitting protrusion 50 of the connector 44 protrudes in a vertical state toward the dial 43 at one side of the rotary ring 48.
  • the fitting protrusion 50 is preferably formed on the second side wing 57 of the stopper, which will be described later, and the protrusion holder 51 is provided in the form of a groove inside the dial 43. Therefore, since the fitting protrusion 50 is fitted to the protrusion holder 51 and fixedly connected in a locked state, the coupling protrusion 50 is easily connected to each other, and the rotational force generated when the dial 43 is rotated is easily provided to the flow regulating valve member 42. Is provided.
  • the connector 44 may be provided with a stopper for controlling the rotation angle of the dial 43.
  • the stopper is formed to protrude on both sides of the rotary ring 48 and rotates together with the rotary ring 48 while contacting a peripheral fixing member located outside the rotary ring 48 to set the rotation of the dial 43. It consists of the first and second side wings (56, 57) to suppress.
  • the fixing member may be installed in the housing 10, for example, an air supply pipe 61 forming an air supply passage 60 or an overflow unit 90 coupled to the air supply pipe 61. .
  • the stopper may include a fixing member, that is, a spacer installed on any one of the first and second side wings 56 and 57 contacting the air supply pipe 61.
  • the spacer is installed on the second side wing 57 as an example.
  • the spacer adjusts the separation distance between one side of the second side wing 57 and the air supply pipe 61, and further controls the rotation angle of the dial 43 by the stopper. That is, the spacer is screwed to one side of the second side wing (57) to be protrudingly fixed, and the outer side or the overflow unit (1) of the supply pipe (61) preferentially than one side of the second side wing (57) being rotated ( 90).
  • the spacer may be composed of, for example, a screw 58, and is fastened to a screw hole 58a formed in the second side wing 57 to be operated forward and backward.
  • the screw 58 may be configured as a tannery bolt so that one side protrudes while operating smoothly forward, backward along the screw hole (58a).
  • the spacer is provided with one end of the screw 58 protruding toward the air supply pipe 61 or the overflow unit 90 along the screw hole 58a by a user's operation, and thus the air supply pipe 61 or the overflow unit 90. It is possible to finely adjust the separation distance (L) of the second side wing 57 with respect to. Therefore, the spacer can adjust the error range beyond the range of the set rotation angle of the dial 43 by adjusting the separation distance L.
  • the rotation angle of the dial 43 is a rotation angle error due to wear due to the continuous use of the rotation, the error of the rotation angle is generated by manufacturing dispersion or assembly dispersion in the production process of parts.
  • the rotation angle of the dial 43 is shortened while increasing the separation distance L of the second side wing 57 with respect to the air supply pipe 61 or the overflow unit 90 by rotating the screw 58. You can adjust the range.
  • the spacer adjusts an error range according to the rotation angle of the dial 43 to prevent the oxygen supplied to the flow control valve 40 connected to the dial 43 from being supplied in excess or in a small amount. It can be, and the amount of oxygen supplied to the flow control valve 40 can be more precisely controlled.
  • the spacer can be easily adjusted to the desired flow rate of the amount of oxygen supplied to the flow control valve 40 through the adjustment of the separation distance (L) described above. Therefore, since the flow control valve 40 can be precisely controlled through the spacer, the amount of oxygen supplied to the patient can also be precisely controlled.
  • the above-described spacer is composed of a plurality of screws 58, when provided in both the first and second side wings (56, 57) as shown by the solid and hidden lines, the bidirectional rotation angle of the dial 43 Each can be controlled. That is, the screws 58 may control the rotation angles of the dial 43 in the forward and reverse rotations, respectively. Therefore, the dial 43 can easily adjust the highest point and the lowest point of the oxygen supplied to the flow control valve 40 through the screws 58.
  • the air supply passage 60 receives oxygen from the flow control valve 40 to guide the outlet 12 of the housing 10.
  • the air supply passage 60 is formed through the air supply pipe 61 installed vertically in the outlet 12 of the housing 10, and supplies oxygen to the breathing mask 13 connected to the outlet 12.
  • an artificial respiration apparatus may include an overflow unit when discharging a part of oxygen guided to the outlet 12 of the housing 10 through the air supply passage 60 to the outside ( 90) may be further included.
  • the overflow unit 90 may include a collecting chamber 91 and a relief valve 92.
  • the collection chamber 91 collects oxygen that overflows through the air supply passage 60 and exhausts the oxygen to the exhaust hole 93 provided at one side. At this time, the collection chamber 91 is preferably provided on one side of the dial 43 as shown to prevent interference of the dial 43.
  • the relief valve 92 is mounted above the exhaust hole 93 of the collecting chamber 91, and opens and closes the exhaust hole 93 by the pressure of oxygen collected in the collecting chamber 91.
  • the relief valve 92 described above may include, for example, a valve disc 95, a disc support spring 96, and a second spring seat 94.
  • the valve disc 95 is composed of a conventional diaphragm, and is assembled to a second spring seat 94 to be described below through a female and male screw 97a coupled to each other as shown in the collecting chamber 91.
  • the exhaust hole 93 is shielded.
  • Disc support spring 96 is one side is constrained to the second spring seat 94 to prevent the separation, and press the valve disc 95 through the other side of the other side to elastically support the valve disc 95 do.
  • the relief valve 95 may be provided with a spring adjuster 94 for moving the second spring seat 94 to adjust the elastic force of the disk support spring 96.
  • the spring adjuster 94 may include, for example, a chamber case 91a or a housing of the collection chamber 91 so that the second spring sheet 94 moves up and down (moves) while the second spring sheet 94 is rotated. It is preferable to comprise a screw member which is screwably movable to (10). That is, the spring adjuster 94 may be composed of a male screw formed on the outer circumferential surface of the second spring sheet 94 and a female screw formed on the chamber case 91a.
  • the second spring sheet 94 may rotate along the thread of the spring adjuster 94 as the spring adjuster 94 is formed of a screw member. At this time, the second spring seat 94 stretches the disk support spring 96 while lifting up to adjust the elastic force of the disk support spring 96. Thus, the pressing force for pressing the valve disc 95 is adjusted in the disk support spring 96.
  • the above-described second spring seat 97 rotates up and down through the screw spring adjuster 94 so that the valve disc 95 is operated when the pressure in the collecting chamber 91 is a set value. ) To adjust the elastic force of the disk spring (96). Thus, the valve disc 95 is operated only at the set pressure.
  • the ventilation apparatus operates to control the operation of the air supply control valve 30 according to the pressure of oxygen supplied to the flow control valve 40.
  • the control unit may further include.
  • Such an operation control unit may be configured of, for example, the bypass valve 100 and the operation control valve 101.
  • the bypass valve 100 bypasses a part of oxygen provided to the flow control valve 40 to the outside through the air supply control valve 30.
  • the operation control valve 101 provides a part of the decompressed oxygen supplied from the pressure reducing valve 20 to the air supply control valve 30 while operating by the oxygen bypassed from the bypass valve 100. The operation of the air supply control valve 30 is controlled through the reduced pressure oxygen.
  • the bypass valve 100 may be composed of an oxygen filling chamber 102 and the inclined valve member 103.
  • the oxygen filling chamber 102 is provided at the lower side of the flow control valve 40 is provided with a communication hole 104 in communication with the flow control valve (40).
  • the oxygen filling chamber 102 is filled with a portion of the oxygen provided to the flow control valve 40 through the communication hole 104, the bypass hole for supplying the bypassed oxygen to the operation control valve 101 to bypass Have 105.
  • the bypass hole 105 is connected to the operation control valve 101 through the bypass passage 106.
  • the oxygen charging chamber 102 may be formed integrally with the valve cylinder 41 of the flow control valve 40 as shown.
  • the inclined valve member 103 is embedded in the oxygen filling chamber 102 so as to be movable up and down, and an inclined surface 107 is formed to move the inside of the communicating hole 104 to cross-sectional area of the communicating hole 104.
  • the inclined valve member 103 may be manufactured in a conical shape as shown in the drawing, and an inclined surface 107 may be formed on an outer circumferential surface thereof, and may be elastically supported by the support spring 108.
  • One side of the support spring 108 is fitted into a spring fitting end 108a protruding from the lower portion of the inclined valve member 103, and the other side thereof faces the spring fitting end 108a inside the oxygen filling chamber 102. It may be fitted to the third spring sheet 108b protruding to be formed.
  • the aforementioned inclination valve member 103 is in close contact with the front end of the inclined surface 107 to the flow control valve member 42 of the flow control valve 40 described above through the communication hole 104, the dial ( 43 can be pressed against the flow control valve member 42 that moves (moves) while interlocking. Therefore, the inclined valve member 103 may move while compressing the support spring 108 by the pressing force, or may return to the original position by the restoring force of the support spring 108.
  • the operation control valve 101 includes a valve chest 110, a spool 111, and a spool spring 112.
  • the valve chest 110 has a bypass port 113 connected to the bypass passage 106 so that bypass oxygen of the bypass valve 100 is introduced into one side.
  • the valve chest 110 is supplied from the pressure reducing valve 20 to the other side of the inlet port 114 through which oxygen decompressed through the air supply control valve 30 and a portion of the decompressed oxygen introduced air supply control valve 30.
  • Discharge port 115 for discharging to () is provided in parallel.
  • the inflow port 114 is connected to the second discharge orifice 34a of the air supply control valve 30 through the fifth flow path D5.
  • the discharge port 115 is connected to a supply hole 38 formed at one side of the air supply control valve 30 through the sixth flow path D6.
  • the valve chest 110 may be provided with a vent orifice 116 communicating with the discharge port 115 to exhaust some of the reduced pressure oxygen supplied to the discharge port 115.
  • the spool 111 is built in the valve chest 110 and communicates with the inlet port 114 and the outlet port 115 through the plunger on the outer circumferential surface while moving by the bypass oxygen flowing into the bypass port 113. Or block it.
  • the spreader may be composed of a plurality of second O-rings 117 mounted on the outer circumferential surface of the spool 111, but protruded unevenly on the outer circumferential surface of the spool 111 As long as the structure is formed to open and close the inlet port 114 and the outlet port 115, any one can be applied.
  • the spool spring 112 is to support the spool 111 elastically in the interior of the valve chest 110, the fourth spring seat one side and the other side is formed in the spool 111 and the valve chest 110, respectively 118, 118a.
  • the supplied oxygen is guided to the supply hole 38 of the air supply control valve 30 through the discharge port 115 opened together with the inlet port 114 to open the valve plunger 32 of the air supply control valve 30. Pressurized to move to one side to close the supply and discharge orifices (34, 35).
  • the respirator according to the embodiment of the present invention supplies oxygen supplied through the second flow path D2 connected to the second exhaust port 26 of the pressure reducing valve 20 to the air supply flow path 60. It may further include a manual control valve 70 for supplying directly.
  • the manual control valve 70 may be composed of a manual valve case 71, the opening and closing member 72, the elastic body 73 and the trigger 74.
  • the manual valve case 71 is provided with an input hole 75 continuously connected to the second flow path D2 to supply the reduced pressure from the pressure reducing valve 20 to one side, and to the input hole 75 on the other side.
  • An output hole 76 for discharging the introduced oxygen is provided. At this time, the output hole 76 is connected to the above-described air supply passage 60 through the seventh passage (D7).
  • the opening and closing member 72 is embedded in the manual valve case 71 so as to be movable up and down to open and close at least one of the input hole 75 and the output hole 76.
  • the elastic body 73 is to elastically support the opening and closing member 72, may be made of a coil spring as shown, one side and the other side is formed in the manual valve case 71 and the opening and closing member 72, respectively It is supported by five spring sheets 77 and 77a.
  • the trigger 74 is provided to be rotatable based on a hinge point H1 formed on the lower portion of the manual valve case 71 at the lower side of the opening / closing member 72, and is opened and closed supported by the elastic body 73 while being rotated. The member 72 is pushed upward to open the output hole 75.
  • the trigger 74 is the upper end of the hinge point (H1) is in close contact with the lower end of the opening and closing member 72, the inclined surface is formed on the close contact end to press the opening and closing member 72 while sliding during rotation.
  • the trigger 74 has a cam groove 78 formed of an inclined surface at an end in close contact with the opening and closing member 72, and a cam contact 78 and a cam contact at the lower end of the opening and closing member 72 contacting the trigger 74.
  • Cam block 78a is formed.
  • the opening / closing member 72 moves upward while pressing and compressing the elastic body 73 to output the hole 76.
  • the oxygen introduced into the input hole 75 along the second flow path D2 and filled in the manual valve case 71 is discharged to the open output hole 76. Therefore, the output hole 76 supplies oxygen to the air supply flow path 60 through the seventh flow path D7.
  • the trigger 74 is restored to its original state by the restoring force of the compressed elastic body 73, and the output hole 76 which is open is closed.
  • a sealing material 79 may be provided between the manual valve case 71 and the opening / closing member 72.
  • the sealing material 79 is usually installed to prevent the oxygen input through the input hole 75 from being supplied to the output hole 76 side.
  • the sealing material 79 may be installed with a washer or O-ring, and one side may be fixed to the manual valve case 71 or the opening / closing member 72.
  • the respirator according to an embodiment of the present invention is gripped by the user with the housing 10 is connected to the oxygen tank through the supply port 11, the breathing mask 13 is installed in the outlet 12 Connected to the patient's respiratory system.
  • the user rotates the dial 43 to a set value according to the condition of the patient, that is, age or weight, so that an appropriate amount of oxygen is supplied to the patient. That is, referring to the aforementioned drawings and FIG. 17, in the ventilator according to the embodiment of the present invention, the oxygen in the oxygen tank is decompressed to the inside of the housing 10 through the pressure reducing valve 20 in the state of FIG. 4. Is supplied with.
  • the pressure reducing valve 20 reduces the pressure of oxygen as the valve piston 22 repeatedly moves according to the oxygen pressure to remove oxygen introduced into the air supply port 24. Supply to the first or second exhaust port (25, 26). Accordingly, the pressure reducing valve 20 supplies the reduced oxygen to the air supply control valve 30 through the first flow path D1 as shown in FIG. 4.
  • the oxygen supplied to the air supply control valve 30 is supplied to the flow rate control valve 40 along the third flow path D3 as shown in FIG. 4. At this time, the oxygen supplied to the flow control valve 40 side is supplied to the air supply passage 60 along the fourth flow path (D4) is supplied to the patient through the breathing mask (13).
  • the oxygen supplied to the air supply control valve 30 from the pressure reducing valve 20 through the first flow path D1 before or during the movement of the spool 111 is partially supplied to the air supply control valve. 4 and 17 through the second discharge orifice (34a) of the 30 to the fifth flow path (D5) as shown in, then through the fifth flow path (D5) flow of the operation control valve 101 It flows into the port 114 and is supplied to the operation control valve 101.
  • the inflow port 114 communicates with the discharge port 115 as illustrated in FIG. 14, the oxygen introduced into the inflow port 114 is connected to the discharge port 115 as illustrated in FIG. 17. It is again supplied to the supply hole 38 of the air supply control valve 30 along the 6-channel D6.
  • the oxygen supplied to the air supply control valve 30 along the sixth flow path D6 discharges the air supply control valve 30 while pressing and moving the valve plunger 32 of the air supply control valve 30 as shown in FIG. 8. Close the orifice 35. Therefore, the air supply control valve 30 blocks the oxygen supplied to the flow control valve 40 so that a person breathing through the breathing mask 13 can exhale (exhale).
  • the air supply control valve 30 releases the pressure and the valve plunger 32 returns, the discharge orifice 35 is opened again as shown in FIG. 7. Therefore, the air supply control valve 30 supplies oxygen to the flow control valve 40 and the bypass valve 100 through the third flow path D3 again as shown in FIG. Perform the operation again.
  • the ventilator according to the embodiment of the present invention supplies oxygen to the patient or stops the oxygen in a suitable respiratory cycle while repeating the above-described series of processes, that is, the state of FIG. .
  • the overflow unit exhausts the excess oxygen through the relief valve 92, as shown in FIG.
  • the overflow unit prevents excessive oxygen from being supplied to the human body.
  • a part of oxygen supplied to the pressure reducing valve 20 is supplied to the manual valve case 71 through the second flow path D2 connected to the second exhaust port 26.
  • the user rotates while holding the trigger 74 of the manual control valve 70 as shown in FIG.
  • oxygen introduced into the input hole 75 connected to the second flow path D2 and filled in the manual valve case 71 passes through the seventh flow path D7 through the open output hole 76. Accordingly, the air is directly supplied to the air supply passage 60 and supplied to the patient.
  • the ventilator according to the embodiment of the present invention can be used while smoothly supplying oxygen to the patient through the manual control valve 70 even in case of emergency or heart massage due to the failure of some parts.
  • the above-described operation control unit may be provided with a pressurizing chamber 140 as shown in Figs.
  • the pressurizing chamber 140 is a hermetic housing having a filling space therein.
  • the pressure chamber 140 is installed on a flow path connecting the bypass valve 100 and the operation control valve 101 to pressurize the oxygen supplied from the bypass valve 100 to the operation control valve 101.
  • the pressurization chamber 140 is installed on the bypass passage 106 connecting the bypass valve 100 and the operation control valve 101 as shown in FIGS. 4 and 17. At this time, the pressurizing chamber 140 may be installed in the singular bypass passage 106 as shown in the singular, but may be provided in a plurality, unlike the illustrated shown in order to be sequentially installed along the bypass passage 106.
  • the pressure chamber 140 has one side connected to the bypass valve 100 and the flow path, and the other side is connected to the operation control valve 101 and the flow path, so that oxygen supplied through the bypass valve 100 is bypass flow path ( It is charged internally along 106).
  • the pressurized chamber 140 is already filled with oxygen, and oxygen is newly supplied with oxygen. Pressurize. At this time, since the pressure inside the pressure chamber 140 naturally rises due to the overcrowding of oxygen, the pressure previously charged therein is discharged to the operation control valve 101. In addition, the oxygen discharged from the pressure chamber 140 to the operation control valve 101 is supplied to the operation control valve 101 while the pressure is maintained or raised by overcrowding while passing through the another pressure chamber 140. Therefore, even if a small amount of oxygen is supplied through the bypass hole 105 of the bypass valve 100 as shown in FIG. 9, the pressure is increased by the pressure chamber 140. As supplied, as shown in FIGS. 13 and 14, the internal spool 111 is smoothly operated.
  • the flow rate of oxygen guided to the inside that is, oxygen supplied to the breathing mask 13 is controlled by the flow rate variable unit FV as shown in FIG.
  • the flow rate variable unit FV exhausts oxygen supplied from the air supply passage 60 to the breathing mask 13 to the outside to stop the supply of oxygen, and to prevent oxygen from being inhaled. Shut off the exhaust to supply oxygen back to the breathing mask (13). That is, the flow rate variable unit (FV) stops the oxygen supply by exhausting the breathing mask 13 to the outside so that the user can discharge the air during exhalation, and again to allow the user to intake oxygen again when inhaling Oxygen is supplied to (13). Therefore, the air supply flow path 60 is controlled to the flow rate of oxygen supplied to the breathing mask 13 through the flow rate variable unit (FV).
  • the reason why the flow rate variable unit FV exhausts oxygen guided to the breathing mask 13 through the air supply passage 60 during exhalation is to the breathing mask 13 through the air supply passage 60 during exhalation of the user.
  • oxygen oxygen is supplied, carbon dioxide discharged from the human body is not exhausted to the exhaust valve (check valve) of the breathing mask 13 by the pressure of oxygen supplied to the breathing mask 13, and is supplied to the user again when the user intakes. In order to prevent this, it is provided. Therefore, the user may not again inhale carbon dioxide during exhalation when the flow rate variable unit FV is provided.
  • the flow rate variable unit FV may include a drain valve 160 and a switching valve 150 as illustrated in FIG. 19. 18 and 19, the drain valve 160 has a drain hole 160a in communication with the air supply passage 60, and opens and closes the drain hole 160a to be guided through the air supply passage 60. Exhaust or block off at least some of the oxygen.
  • the drain valve 160 may be in communication with the air supply passage 60 through the twelfth passage D12 as illustrated, but alternatively, the drain valve 160 may be integrally attached to the air supply passage 60. That is, the drain valve 160 is connected to the air supply passage 60 so that the oxygen is supplied from the air supply passage 60 and exhausted through the drain hole 160a.
  • the drain valve 160 may include, for example, a drain body 161, an open / close bundle 163, and a drain spring 165 as illustrated in FIG. 19.
  • the drain hole 160a described above is formed at one side, and the other side communicates with the air supply passage 60 so that oxygen in the air supply passage 60 communicates with the other side. That is, the drain body 161 exhausts oxygen from the air supply passage 60 introduced through the other side through the drain hole 160a on one side.
  • the drain body 161 may be formed at various positions of the drain hole 160a, but is preferably formed at the side as shown.
  • the opening and closing bundle 163 is movably embedded in the drain body 161 as shown in FIGS. 18 and 19.
  • the opening and closing bundle 163 opens and closes the drain hole 160a while being moved by oxygen of the switching valve 150 supplied to the drain body 161 as shown in FIGS. 19 to 21.
  • Opening and closing bundle 163 is preferably composed of a poppet-type valve member, as shown to open and close the drain hole (160a) formed on the side of the drain body (161).
  • the opening and closing bundle 163 closes the drain hole 160a of the drain body 161 while moving by the pressure of oxygen introduced into the drain body 161 through the switching valve 150 as shown in FIG. 19. At this time, oxygen is introduced into the drain body 161 through the eleventh flow path D11 connected to the oxygen supply hole P2 of the switching valve 150.
  • the drain spring 165 is built in the drain body 161 as shown in FIGS. 18 and 19 to elastically support the opening and closing bundle 163.
  • the drain spring 165 is compressed by the movement of the opening and closing bundle 163 as shown in FIG.
  • the drain spring 165 restores the opening / closing bundle 163 to its original position as shown in FIG. 21. Accordingly, the opening and closing bundle 163 opens the drain hole 160a of the drain body 161.
  • the switching valve 150 provides the oxygen provided by the pressure reducing valve 20 to the drain valve 160 to operate the drain valve 160.
  • the switching valve 150 may be directly supplied with oxygen from the pressure reducing valve 20, but rather, the oxygen is supplied from the pressure reducing valve 20 through the air supply control valve 30 described above as illustrated in FIG. 18. It is preferably configured to provide to the drain valve 160.
  • the air supply control valve 30 is a switching valve through the additional hole (35a) formed in the valve housing 31 of the oxygen supplied from the pressure reducing valve 20 to the valve housing 31 as shown in FIG. Supply to 150. Therefore, the switching valve 150 may interlock the air supply control valve 30 and the drain valve 160.
  • the switching valve 150 may be supplied to the drain valve 160 by receiving oxygen from the pressure reducing valve 20 through the aforementioned manual control valve 70 as illustrated in FIGS. 22 and 23. Therefore, the switching valve 150 may interlock the manual control valve 70 and the drain valve 160.
  • the switching valve 150 may include a needle housing 151, a needle 153, and a needle spring 155, as shown in FIGS. 18 and 19.
  • Needle housing 151 is coupled to the tenth flow path (D10) connected to the above-described additional hole (35a) of the air supply control valve 30 is provided in the pressure reducing valve 20 through the air supply control valve (30)
  • Oxygen inflow hole (P1) through which the oxygen is introduced is formed on one side. That is, the needle housing 151 is introduced with oxygen through the oxygen inlet hole (P1) connected to the tenth flow path (D10).
  • the needle housing 151 communicates with the oxygen inlet hole P1 to supply oxygen introduced into the oxygen inlet hole P1 to the drain valve 160 as shown by an arrow in FIG. 19 ( P2) is provided on the other side. Accordingly, the needle housing 151 substantially supplies oxygen of the pressure reducing valve 20 to the drain valve 160 to move the open / close bundle 163 of the drain valve 160.
  • the needle housing 151 is provided with a filling hole P3 through which oxygen of the pressure reducing valve 20 supplied to the manual control valve 70 is introduced and filled. And, as shown in the needle housing 151 is formed a guide hole (P4) is guided by a portion of the oxygen supplied to the filling hole (P3) is bypassed. At this time, the filling hole (P3) and the guide hole (P4) from the seventh flow path (D7) described above to supply the oxygen of the pressure reducing valve 20 from the manual control valve 70 to the air supply flow path (60) as shown Get oxygen.
  • the manual control valve 70 is branched in the seventh flow path (D7) as shown in the eighth flow path (D8) and the eighth flow path (D8) connected to the filling hole (P3) of the needle housing (151)
  • a ninth flow path D9 branched from and connected to the guide hole P4 of the needle housing 151 is provided. Therefore, the filling hole P3 and the guide hole P4 are supplied with oxygen from the manual control valve 70 through the eighth flow path D8 and the ninth flow path D9.
  • the guide hole P4 may be supplied with oxygen directly from the seventh flow path D7, unlike the above.
  • the needle 153 is movably embedded in the needle housing 151 to open and close the oxygen inlet hole P1 or the oxygen supply hole P2 of the needle housing 151. .
  • the needle 153 moves inside the needle housing 151 by the pressure of oxygen introduced into the filling hole P3 of the needle housing 151, and supplies the oxygen inlet hole P1 or oxygen. Open and close the ball P2.
  • the needle 153 opens and closes the oxygen inlet hole P1 or the oxygen supply hole P2 through the O-ring as the O-ring is installed on the outer circumferential surface as shown.
  • Needle 153 is normally fixed to the correct position of the needle housing 151, as shown in Figure 19 to communicate with the oxygen inlet hole (P1) and oxygen supply hole (P2) is introduced into the oxygen inlet hole (P1) Oxygen is provided to the drain valve 160 through the oxygen supply hole (P2). Accordingly, since the opening and closing bundle 163 is moved by the oxygen flowing into the drain body 161 through the eleventh flow path D11, the drain valve 160 is closed, so that the drain hole 160a is closed.
  • the needle 153 may enter the oxygen of the filling hole P3. While moving as shown, it blocks the communication between the oxygen inlet hole P1 and the oxygen supply hole P2 of the needle housing 151. In this case, the needle 153 blocks the communication between the oxygen inlet hole P1 and the oxygen supply hole P2 as the O-ring is located between the oxygen inlet hole P1 and the oxygen supply hole P2. However, the needle 153 communicates the oxygen introduced into the guide hole P4 by communicating the guide hole P4 and the oxygen supply hole P2 of the needle housing 151 with the arrow in FIG. 23. It is provided to the drain valve 160 via P2. Accordingly, since the drain valve 160 is supplied with oxygen to the drain body 161 through the eleventh flow path D11, the opening and closing bundle 163 is moved to close the drain hole 160a.
  • the needle spring 155 elastically supports the needle 153 inside the needle housing 151 as shown in FIGS. 19 and 23.
  • the needle spring 155 does not supply oxygen to the filling hole P3 of the needle housing 151 as illustrated in FIGS. 19 and 21, the needle spring 155 supports the needle 153 through its own elastic force to support the needle 153.
  • the needle spring 155 is compressed when oxygen is supplied to the filling hole P3 of the needle housing 151 and the needle 153 moves as shown in FIG. 23, and the filling hole of the needle housing 151 ( When oxygen supply is blocked by P3), the needle 153 is returned to its original position while being circularly restored.
  • the air supply control valve 30 is opened as illustrated in FIG. 18 for the user's intake, and oxygen of the pressure reducing valve 20 is supplied to the supply air through the flow control valve 40.
  • the oxygen flows into the air supply control valve 30 and is discharged into the additional hole 35a, that is, into the aforementioned supply orifice 34 of the air supply control valve 30 and discharges the orifice 35.
  • Part of the oxygen discharged to the inlet flows into the switching valve 150 through the tenth flow path D10.
  • the switching valve 150 is introduced into the oxygen inlet hole (P1) as the needle 153 is located in its original position and the oxygen inlet hole (P1) and the oxygen supply hole (P2) communicate with each other.
  • Oxygen is directly supplied to the oxygen supply hole P2 to supply oxygen to the drain body 161 of the drain valve 160 through the eleventh flow path D11. Accordingly, the drain valve 160 moves to open and close the bundle 163 by the oxygen flowing into the drain body 161 to shield the drain hole 160a.
  • the drain valve 160 does not exhaust the oxygen supplied to the air supply passage 60 through the flow control valve 40 as described above. Therefore, the air supply passage 60 continuously supplies the oxygen of the flow control valve 40 to the breathing mask 13 to enable the intake of the user.
  • the discharge orifice 35 of the air supply control valve 30 is shielded together with the additional hole 35a to supply the air supply passage 60 through the flow control valve 40.
  • oxygen is not supplied to the oxygen, oxygen is not supplied to the oxygen inlet hole P1, and thus oxygen is not supplied to the drain body 161 of the drain valve 160 as shown in FIG. 21. Therefore, the drain valve 160 opens and closes the drain hole 160a formed in the drain body 161 while the opening and closing bundle 163 returns to its original position by the drain spring 165.
  • the operation control valve 101 is filled with oxygen as shown in Figure 20, that is, as shown in Figure 20 is filled with oxygen to press the spool 111 as shown in Figure 20
  • the drain body 161 uses the oxygen of the operation control valve 101 exhausted through the air supply passage 60 to open the drain hole 160a as shown in FIG. 21. Exhaust through.
  • the drain hole 160a exhausts oxygen in the air supply passage 60 as oxygen in the air supply passage 60 flows into the drain body 161 through the twelfth passage D12 as illustrated in FIG. 20. .
  • the air supply passage 60 does not provide oxygen to the breathing mask 13 at all. Due to this, the user discharges carbon dioxide into the breathing mask 13 during exhalation by spontaneous breathing, and since the oxygen is not supplied to the breathing mask 13 as described above, inhalation after exhalation is prevented due to the vortex caused by the interference of oxygen. Do not inhale carbon dioxide again.
  • the manual control valve 70 is operated as described above for breathing of the user (patient) when the air supply control valve 30 is inoperable due to a failure, etc., as shown in FIG.
  • the oxygen of the pressure reducing valve 20 is supplied to the air supply flow path 60 through D7).
  • the switching valve 150 flows into the filling hole P3 of the needle housing 151 through the eighth flow path D8 branched from the seventh flow path D7 as shown in FIGS. 22 and 23. do.
  • oxygen of the seventh flow path D7 flows into the guiding hole P4 through the ninth flow path D9 branched from the eighth flow path D8.
  • the switching valve 150 moves the needle 153 embedded in the needle housing 151 by the oxygen introduced into the filling hole P3, and the oxygen inlet hole P1 and the oxygen supply hole ( Shut off communication at P2).
  • the switching valve 150 communicates the guide hole P4 and the oxygen supply hole P2 as shown in the drawing, and the oxygen flows into the guide hole P4 through the oxygen supply hole P2 to the drain valve 160.
  • the drain valve 160 closes the drain hole 106a while the opening and closing bundle 163 is moved again as shown as oxygen flows through the eleventh flow path D11. Accordingly, the air supply passage 60 smoothly supplies oxygen to the breathing mask 13 because oxygen flowing through the inside is not exhausted to the drain valve 160. Due to this, the breathing mask 13 can continuously supply oxygen to the user who needs inhalation.
  • the flow rate variable unit FV operating as described above is supplied with oxygen to the air supply passage 60 by the operation of the air supply control valve 30 for intake of the user, as shown in FIGS. 18 and 22.
  • the drain hole 160a of the drain valve 160 is closed to smoothly supply oxygen to the breathing mask 13.
  • the flow rate variable unit FV opens the drain hole 160a of the drain valve 160 so that oxygen is not supplied to the breathing mask 13 when the user exhales. The oxygen flowing through the gas is exhausted to the outside.
  • the present invention is not limited to the above embodiment, and is easily changed by those skilled in the art to which the present invention pertains. It includes all changes to the extent deemed acceptable.
  • Air supply port 25 First exhaust port
  • valve housing 32 valve plunger
  • cam groove 78a cam block
  • bypass ball 106 bypass euro
  • valve chest 111 spool

Landscapes

  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

L'invention concerne un respirateur artificiel. Le respirateur artificiel selon l'invention comprend : un boîtier doté d'un orifice de distribution relié à un réservoir d'oxygène et d'un orifice de sortie relié à la cavité orale ou à la cavité nasale d'un patient; une soupape de détente disposée à l'intérieur du boîtier pour réduire la pression de l'oxygène du réservoir d'oxygène, distribué par l'orifice de distribution du boîtier afin de fournir de l'air; une soupape de commande de distribution d'air ouvrant un passage pour l'oxygène fourni par la soupape de détente et commandant la distribution d'air par ouverture ou fermeture du passage; une soupape de commande de débit pour commander le débit d'oxygène fourni par l'ouverture de la soupape de commande de distribution d'air; et un trajet de distribution d'air pour recevoir l'air fourni par la soupape de commande de débit et le guider vers l'orifice de sortie du boîtier. L'invention permet une respiration artificielle régulière par guidage de l'oxygène détendu par la soupape de détente vers le trajet de distribution d'air.
PCT/KR2015/013710 2015-01-22 2015-12-15 Respirateur Ceased WO2016117829A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2015-0010648 2015-01-22
KR20150010648 2015-01-22
KR10-2015-0075030 2015-05-28
KR1020150075030A KR101583686B1 (ko) 2015-05-28 2015-05-28 인공호흡장치

Publications (1)

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WO2016117829A1 true WO2016117829A1 (fr) 2016-07-28

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PCT/KR2015/013710 Ceased WO2016117829A1 (fr) 2015-01-22 2015-12-15 Respirateur

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WO (1) WO2016117829A1 (fr)

Cited By (1)

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CN119097801A (zh) * 2024-10-25 2024-12-10 南京市浦口医院 一种放疗过程辅助呼吸装置

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US6209540B1 (en) * 1998-03-31 2001-04-03 Suzuki Corporation Artificial respiration apparatus
JP2002528187A (ja) * 1998-10-23 2002-09-03 パルモネティック システムズ インコーポレイテッド 人工呼吸器システム
KR101085479B1 (ko) * 2011-06-13 2011-11-21 주식회사 산청 공기통용 공기방출기
KR20120111398A (ko) * 2011-03-31 2012-10-10 주식회사 멕 아이씨에스 인공 호흡 장치
KR101392954B1 (ko) * 2014-04-02 2014-05-08 주식회사 산청 자동호흡장치

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US4821712A (en) * 1988-03-29 1989-04-18 Gossett Allen D Breathing apparatus
WO1994006514A1 (fr) * 1992-09-11 1994-03-31 Life Support Products, Inc. Soupape de distribution a la demande a commande manuelle de debit reduit
CN2290351Y (zh) * 1997-03-25 1998-09-09 李华军 便携式呼吸机
CN104379204A (zh) * 2012-02-15 2015-02-25 费雪派克医疗保健有限公司 用于供应气体的系统、设备以及方法

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Publication number Priority date Publication date Assignee Title
US6209540B1 (en) * 1998-03-31 2001-04-03 Suzuki Corporation Artificial respiration apparatus
JP2002528187A (ja) * 1998-10-23 2002-09-03 パルモネティック システムズ インコーポレイテッド 人工呼吸器システム
KR20120111398A (ko) * 2011-03-31 2012-10-10 주식회사 멕 아이씨에스 인공 호흡 장치
KR101085479B1 (ko) * 2011-06-13 2011-11-21 주식회사 산청 공기통용 공기방출기
KR101392954B1 (ko) * 2014-04-02 2014-05-08 주식회사 산청 자동호흡장치

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119097801A (zh) * 2024-10-25 2024-12-10 南京市浦口医院 一种放疗过程辅助呼吸装置

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TW201628668A (zh) 2016-08-16

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