CN112451818A - Oxygen automatically regulated structure and respiratory therapy equipment - Google Patents
Oxygen automatically regulated structure and respiratory therapy equipment Download PDFInfo
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- CN112451818A CN112451818A CN202011256536.1A CN202011256536A CN112451818A CN 112451818 A CN112451818 A CN 112451818A CN 202011256536 A CN202011256536 A CN 202011256536A CN 112451818 A CN112451818 A CN 112451818A
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- 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
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
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- 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
- A61M16/021—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes operated by electrical means
- A61M16/022—Control means therefor
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- 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
- A61M16/1005—Preparation of respiratory gases or vapours with O2 features or with parameter measurement
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- 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
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
- A61M2016/003—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter
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Abstract
本发明公开了一种氧气自动调节结构及呼吸治疗设备，所述氧气自动调节结构包括：壳体；进气口，所述进气口设置于所述壳体的一端上，用于连接氧气源；出气口，所述出气口设置于所述壳体的另一端上，用于连接患者端；氧气调节机构，所述氧气调节机构设置于所述壳体内，且所述氧气调节机构连接于所述进气口和出气口之间；控制组件，所述控制组件与所述氧气调节机构电连接。通过在所述氧气自动调节结构中设置氧气调节机构，并配置与所述氧气调节机构电连接的控制组件，进而通过所述控制组件自动控制所述氧气调节机构调节所述供氧情况，显著的降低了医护人员的工作量，提升了病患的治疗效果。
The invention discloses an oxygen automatic adjustment structure and respiratory therapy equipment. The oxygen automatic adjustment structure comprises: a shell; an air outlet, the air outlet is arranged on the other end of the casing and is used to connect the patient end; an oxygen regulating mechanism, the oxygen regulating mechanism is arranged in the casing, and the oxygen regulating mechanism is connected to the between the air inlet and the air outlet; and a control assembly, which is electrically connected to the oxygen regulating mechanism. By arranging an oxygen regulating mechanism in the oxygen automatic regulating structure, and configuring a control component electrically connected to the oxygen regulating mechanism, and then automatically controlling the oxygen regulating mechanism to adjust the oxygen supply through the control component, the oxygen supply situation is significantly improved. It reduces the workload of medical staff and improves the treatment effect of patients.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to an automatic oxygen adjusting structure and respiratory therapy equipment.
Background
The existing respiratory therapy equipment (such as a respiratory humidifier) has a conventional function, and also can be configured with a humidifying function and an oxygen supply function, so that a plurality of functional units are integrated on the same equipment, the installation and the use of medical equipment are facilitated, the ward space is saved, and the operation of doctors is facilitated.
However, in order to have an oxygen supply function, the conventional respiratory therapy equipment is usually externally connected with an oxygen source, and an oxygen module is configured on the respiratory therapy equipment, so that oxygen can be stably delivered to a patient end; however, the conventional oxygen module can only adjust the oxygen supply condition manually, which increases the workload of medical staff and often causes delayed adjustment, thus being not beneficial to the treatment of patients.
It can be seen that the prior art is still in need of improvement and development.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention provides an oxygen automatic regulating structure and a respiratory therapy device, which aims to solve the problem of manual regulation required when oxygen supply of the respiratory therapy device in the prior art.
The technical scheme adopted by the invention for solving the technical problem is as follows: an oxygen self-regulating structure, comprising:
a housing;
the air inlet is arranged on one end of the shell and is used for being connected with an oxygen source;
the air outlet is arranged at the other end of the shell and is used for connecting a patient end;
the oxygen regulating mechanism is arranged in the shell and is connected between the air inlet and the air outlet;
the control assembly is electrically connected with the oxygen regulating mechanism.
Further, the oxygen regulating mechanism includes:
the air channel assembly is connected with one end of the air inlet;
a pressure regulator connected to the airway assembly for regulating oxygen pressure;
the flow regulator is connected to the air passage assembly, arranged on one side of the pressure regulator, which is far away from the air inlet, and used for regulating the airflow of the oxygen;
and one end of the flow measurer is connected with the air passage assembly, and the other end of the flow measurer is connected with the air outlet.
Further, the oxygen regulating mechanism further comprises: the flow stabilizer is arranged between the flow measurer and the air passage component;
the current stabilizer includes:
the connecting seat, one end of the said connecting seat connects the said air flue assembly;
the flow stabilizing valve core and the connecting seat are coaxially arranged, are connected to one end of the connecting seat, which is far away from the air flue assembly, and are used for stabilizing oxygen airflow;
and one end of the flow stabilizing sleeve is sleeved on the connecting seat and the flow stabilizing valve core, and the other end of the flow stabilizing sleeve is connected with the flow measurer.
Further, the connecting seat comprises a connecting plate part and a valve core connecting part which are integrally formed; the connecting plate part is connected with the air passage component and is provided with an arc-shaped drainage port; the valve core connecting part is arranged on one side of the connecting plate, which is far away from the air passage component, and is used for accommodating the flow stabilizing valve core;
the flow stabilizing valve core comprises a valve core base ring, a flow stabilizing ring hole part and a flow stabilizing valve plate which are integrally connected, the valve core base ring and the flow stabilizing ring hole part are contained in the valve core connecting part, and the valve core base ring and the flow stabilizing ring hole part are used for stabilizing oxygen airflow.
Further, the air channel assembly includes:
an airway body;
the air inlet channel is arranged at one end of the air channel body close to the air inlet;
one end of the first air passage is connected with the pressure regulator, and the other end of the first air passage is connected with the current stabilizer;
one end of the second air passage is connected with the pressure regulator, and the other end of the second air passage is connected with the first air passage.
Further, the air channel assembly further comprises:
the pressure regulator mounting part is arranged as an inward concave circular groove between the air inlet channel and the first air channel;
a flow regulator mounting portion configured as an L-shaped slot between the second air passage and the flow stabilizer.
Further, the housing includes:
a housing;
and the mounting bracket is mounted in the shell and used for fixing the air inlet, the air outlet and the oxygen regulating mechanism.
Further, the control assembly includes:
the PCB board, the said PCB board and said pressure regulator, flow regulator and flow measurer;
and the PCB is electrically connected with the controller.
Further, the mounting bracket is arranged in an L shape and comprises a vertical plate and a horizontal plate which are vertically connected;
one end of the vertical plate close to the horizontal plate is provided with an air inlet mounting part;
the PCB is arranged on the end face of the horizontal plate, which is far away from the vertical plate, and the air flue assembly, the flow measurer and the air outlet are arranged on the end face of the horizontal plate, which is close to the vertical plate.
The technical scheme adopted by the invention for solving the technical problem is that the respiratory therapy equipment comprises the oxygen automatic adjusting structure.
Compared with the prior art, the invention provides an automatic oxygen adjusting structure and respiratory therapy equipment, wherein the automatic oxygen adjusting structure comprises: a housing; the air inlet is arranged on one end of the shell and is used for being connected with an oxygen source; the air outlet is arranged at the other end of the shell and is used for connecting a patient end; the oxygen regulating mechanism is arranged in the shell and is connected between the air inlet and the air outlet; the control assembly is electrically connected with the oxygen regulating mechanism. Through set up oxygen adjustment mechanism in the oxygen automatically regulated structure to the configuration with the control assembly that oxygen adjustment mechanism electricity is connected, and then pass through control assembly automatic control oxygen adjustment mechanism adjusts the oxygen suppliment condition, the reduction that is showing medical personnel's work load has promoted the treatment of disease.
Drawings
FIG. 1 is a schematic perspective view of an oxygen automatic regulating structure according to a preferred embodiment of the present invention;
FIG. 2 is a schematic top view of an oxygen self-regulating structure in accordance with a preferred embodiment of the present invention;
FIG. 3 is a schematic sectional view taken along line I-I of FIG. 2 according to the present invention;
FIG. 4 is an exploded perspective view of the oxygen regulating structure in accordance with the preferred embodiment of the present invention;
FIG. 5 is a perspective view of the components of the oxygen regulating structure of the preferred embodiment of the present invention after the hidden housing;
FIG. 6 is an exploded perspective view of a flow stabilizer of the oxygen regulating mechanism of the automatic oxygen regulating mechanism according to the preferred embodiment of the present invention;
FIG. 7 is a schematic perspective view of an air channel assembly of an oxygen regulating mechanism of the oxygen self-regulating structure according to a preferred embodiment of the present invention;
FIG. 8 is a schematic top view of the gas passage assembly of the oxygen self-regulating structure in accordance with the preferred embodiment of the present invention;
FIG. 9 is a schematic view in cross section taken along line II-II of FIG. 8 in accordance with the present invention;
FIG. 10 is a schematic view in cross section taken in the direction III-III of FIG. 8 in accordance with the present invention;
description of reference numerals:
10. an oxygen automatic regulating structure; 11. a housing; 12. an air inlet; 13. an air outlet; 14. an oxygen regulating mechanism; 15. a control component; 16. a connecting member; 17. an air inlet; 18. an air outlet; 19. a heating assembly; 111. a housing; 112. mounting a bracket; 1121. a vertical plate; 1122. a horizontal plate; 1123. an air inlet mounting portion; 141. an air channel assembly; 142. a pressure regulator; 143. a flow regulator; 144. a flow rate measurer; 145. a current stabilizer; 1411. an airway body; 1412. an air inlet channel; 1413. a first air passage; 1414. a second air passage; 1415. a pressure regulator mounting portion; 1416. a flow regulator mounting section; 1417. a flow stabilizing annulus portion; 1418. a flow stabilizing valve plate; 1451. a connecting seat; 1452. a flow stabilizing valve core; 1453. a flow stabilizing sleeve; 1454. a connecting plate portion; 1455. a valve core connecting portion; 1456. a valve core base ring; 1457. a flow stabilizing annulus portion; 1458. a flow stabilizing valve plate; 1459. an arc-shaped drainage opening; 151. and (7) a PCB board.
Detailed Description
The invention provides an oxygen automatic regulating structure and a respiratory therapy device, and in order to make the purpose, technical scheme and effect of the invention clearer and clearer, the invention is further described in detail below by referring to the attached drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The existing respiratory therapy equipment (such as a respiratory humidifier) has a conventional function, and also can be configured with a humidifying function and an oxygen supply function, so that a plurality of functional units are integrated on the same equipment, the installation and the use of medical equipment are facilitated, the ward space is saved, and the operation of doctors is facilitated. However, in order to have an oxygen supply function, the conventional respiratory therapy equipment is usually externally connected with an oxygen source, and an oxygen module is configured on the respiratory therapy equipment, so that oxygen can be stably delivered to a patient end; however, the conventional oxygen module can only adjust the oxygen supply condition manually, which increases the workload of medical staff and often causes delayed adjustment, thus being not beneficial to the treatment of patients. The invention provides an automatic oxygen adjusting structure and respiratory therapy equipment based on the problem that manual adjustment is needed during oxygen supply of respiratory therapy equipment in the prior art, wherein an oxygen adjusting mechanism is arranged in the automatic oxygen adjusting structure, a control assembly electrically connected with the oxygen adjusting mechanism is configured, and the oxygen adjusting mechanism is automatically controlled by the control assembly to adjust the oxygen supply condition, so that the workload of medical workers is remarkably reduced, the treatment effect of patients is improved, and specific details refer to the following embodiments.
Referring to fig. 1 to 5, a first embodiment of the present invention provides an oxygen self-regulating structure 10, including: the device comprises a shell 11, an air inlet 12, an air outlet 13, an oxygen regulating mechanism 14 and a control assembly 15; the air inlet 12 is arranged at one end of the shell 11 and is used for connecting an oxygen source; the air outlet 13 is arranged at the other end of the shell 11 and is used for connecting a patient end; the oxygen regulating mechanism 14 is arranged in the shell 11, and the oxygen regulating mechanism 14 is connected between the air inlet 12 and the air outlet 13; the control assembly 15 is electrically connected to the oxygen regulating mechanism 14.
It is understood that the housing 11 is used for accommodating and protecting the air inlet 12, the air outlet 13, the oxygen regulating mechanism 14 and the control assembly 15, and the air inlet 12 and the air outlet 13 are communicated with the outside, and the control assembly 15 controls the oxygen regulating mechanism 14 to regulate the oxygen pressure, stabilize the oxygen flow and measure the oxygen flow; namely, the oxygen adjusting mechanism 14 is arranged in the oxygen automatic adjusting structure 10, the control component 15 electrically connected with the oxygen adjusting mechanism 14 is configured, and then the oxygen adjusting mechanism 14 is automatically controlled by the control component 15 to adjust the oxygen supply condition, so that the workload of medical staff is remarkably reduced, and the treatment effect of patients is improved.
In other preferred embodiments, the oxygen regulating mechanism 14 includes: an air passage assembly 141, a pressure regulator 142, a flow regulator 143, and a flow measurer 144; one end of the air channel assembly 141 is connected with the air inlet 12; the pressure regulator 142 is connected to the air passage assembly 141 for regulating the oxygen pressure; the flow regulator 143 is connected to the air channel assembly 141 and disposed on a side of the pressure regulator 142 away from the air inlet 12, for regulating the flow rate of the oxygen; one end of the flow measurer 144 is connected to the air channel assembly 141, and the other end is connected to the air outlet 13.
It can be understood that the automatic oxygen regulating structure 10 provided in the present invention can automatically regulate the pressure of the oxygen, and can control the flow rate of the oxygen, even count the amount of the oxygen, thereby providing a guarantee for automatically controlling the oxygen supply.
In other preferred embodiments, the oxygen regulating mechanism 14 further comprises: a flow stabilizer 145 disposed between the flow measurer 144 and the air duct assembly 141; it can be understood that through setting up current regulator 145, and then can effectual firm oxygen air current, avoid oxygen air current to appear indiscriminate flow, for accurate measurement oxygen quantity provides guarantee, the reduction that is showing interval between flow regulator 143 and the flow measurement ware, the effectual reduction the volume of oxygen automatically regulated structure 10 more is favorable to respiratory therapy equipment miniaturization and multi-functionalization.
Referring further to fig. 4 and 6, in another preferred embodiment, the current stabilizer 145 includes: a connection seat 1451, a flow stabilizing spool 1452, and a flow stabilizing sleeve 1453; one end of the connecting base 1451 is connected to the air passage assembly 141; the flow stabilizing valve spool 1452 is coaxially arranged with the connecting seat 1451, and is connected to an end of the connecting seat 1451 away from the air channel assembly 141 for stabilizing the flow of oxygen; one end of the flow stabilization sleeve 1453 is sleeved on the connection seat 1451 and the flow stabilization valve core 1452, and the other end of the flow stabilization sleeve 1453 is connected with the flow measurer 144.
Further, the coupling seat 1451 includes a coupling plate portion 1454 and a spool coupling portion 1455 which are integrally formed; the connecting plate portion 1454 is connected to the air duct assembly 141 and is provided with an arc-shaped drainage port 1459; the valve core connecting part 1455 is arranged at one side of the connecting plate, which is far away from the air channel assembly 141, and is used for accommodating the steady flow valve core 1452; the flow stabilizing valve core 1452 comprises a valve core base ring 1456, a flow stabilizing ring hole 1457 and a flow stabilizing valve plate 1458 which are integrally connected, the valve core base ring 1456 and the flow stabilizing ring hole 1457 are accommodated in the valve core connecting part 1455, and the valve core base ring 1456 and the flow stabilizing ring hole 1457 are used for stabilizing oxygen gas flow.
It is understood that the valve core connecting part 1455 is a hollow cylinder, and the gas in the gas channel assembly 141 enters the valve core connecting part 1455 through the drainage hole on the connecting plate part 1454, then when passing through the flow stabilizing valve sheet 1458 and the flow stabilizing ring hole 1457, the turbulent flow in the oxygen gas flow is blocked by the flow stabilizing valve sheet 1458 and the valve core connecting part 1455, then is combed and stabilized by the flow stabilizing ring hole 1457, and then enters the flow stabilizing sleeve 1453, so as to form a stable oxygen gas flow.
Referring further to fig. 7-10 in combination, in other preferred embodiments, the airway device 141 includes: an airway body 1411, an inlet channel 1412, a first airway 1413 and a second airway 1414; the air inlet channel 1412 is opened at one end of the air passage body 1411 close to the air inlet 12; one end of the first air passage 1413 is connected with the pressure regulator 142, and the other end of the first air passage 1413 is connected with the current stabilizer 145; one end of the second air passage 1414 is connected to the pressure regulator 142, and the other end of the second air passage 1414 is connected to the first air passage 1413.
Further, the air channel assembly 141 further includes: a pressure regulator mount 1415 and a flow regulator mount 1416; the pressure regulator mounting portion 1415 is provided as an inner concave circular groove between the air inlet passage 1412 and the first air passage 1413; the demand regulator mounting 1416 is provided as an L-shaped slot between the second air passage 1414 and the flow stabilizer 145.
It can be understood that a plurality of air passages are formed in the air passage body 1411, oxygen in an external air source enters the air passage body 1411 through the air inlet 12, firstly enters the air inlet passage 1412, firstly reaches the pressure regulator mounting part 1415, and enters the pressure regulator 142, then the oxygen pressure is regulated through the pressure regulator 142, and then a part of the oxygen enters the flow measurer 144 directly through the first air passage 1413, or enters the flow regulator 145 and then enters the flow measurer 144; another portion enters the flow regulator 143 via the second gas passage 1414 and then enters the flow measurer 144 directly via the first gas passage 1413, or enters the flow stabilizer 145 before entering the flow measurer 144; thereby realizing the adjustment of the oxygen pressure and the oxygen flow.
In other embodiments, the housing 11 includes: a housing 111 and a mounting bracket 112; the mounting bracket 112 is mounted in the housing 111 for fixing the air inlet 12, the air outlet 13 and the oxygen regulating mechanism 14. Further, the mounting bracket 112 is detachably connected to the housing 111, so that the air inlet 12, the air outlet 13 and the oxygen adjusting mechanism 14 can be mounted on the mounting bracket 112, and then the mounting bracket 112 is fixed in the housing 111, thereby facilitating the assembly of the oxygen automatic adjusting mechanism 10.
In other preferred embodiments, the oxygen self-regulating structure 10 further comprises a control assembly 15, wherein the control assembly 15 comprises: a PCB 151 and a controller; the PCB 151 and the pressure regulator, the flow regulator 143, and the flow measurer 144; the PCB 151 is electrically connected to the controller, and a control chip is disposed in the controller, where the type of the control chip in the present invention includes, but is not limited to, STM32F030C8T 6. It can be understood that the controller is connected to and controls the pressure regulator 142, the flow regulator 143 and the flow measurer 144 through the PCB 151, so as to control the oxygen supply; the flow measurer 144 feeds back the measured information of the flow rate and the gas amount to the controller, and the controller actively adjusts the flow regulator 143 according to the received information of the flow rate and the gas amount, thereby realizing automatic control of the oxygen supply condition.
In other preferred embodiments, the mounting bracket 112 is configured in an L-shape, and includes a vertical plate 1121 and a horizontal plate 1122 that are vertically connected; an air inlet mounting part 1123 is formed at one end of the vertical plate 1121, which is close to the horizontal plate 1122; the PCB 151 is disposed on an end surface of the horizontal plate 1122 away from the vertical plate 1121, and the air duct assembly 141, the flow rate measuring device 144, and the air outlet 13 are disposed on an end surface of the horizontal plate 1122 close to the vertical plate 1121.
There is also provided in a second embodiment of the present invention a respiratory treatment apparatus, wherein the respiratory treatment apparatus includes an oxygen self-regulating structure 10 as described in the above-described embodiments of the present invention. It can be understood that the respiratory therapy equipment provided by the invention has the function of oxygen supply and the function of automatically adjusting the oxygen supply by adopting the automatic oxygen adjusting structure 10 provided by the invention, so that the workload of medical care personnel is obviously reduced, and the treatment effect of patients is improved.
Compared with the prior art, the invention provides an automatic oxygen adjusting structure and respiratory therapy equipment, wherein the automatic oxygen adjusting structure comprises: a housing; the air inlet is arranged on one end of the shell and is used for being connected with an oxygen source; the air outlet is arranged at the other end of the shell and is used for connecting a patient end; the oxygen regulating mechanism is arranged in the shell and is connected between the air inlet and the air outlet; the control assembly is electrically connected with the oxygen regulating mechanism. Through set up oxygen adjustment mechanism in the oxygen automatically regulated structure to the configuration with the control assembly that oxygen adjustment mechanism electricity is connected, and then pass through control assembly automatic control oxygen adjustment mechanism adjusts the oxygen suppliment condition, the reduction that is showing medical personnel's work load has promoted the treatment of disease.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011256536.1A CN112451818A (en) | 2020-11-11 | 2020-11-11 | Oxygen automatically regulated structure and respiratory therapy equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011256536.1A CN112451818A (en) | 2020-11-11 | 2020-11-11 | Oxygen automatically regulated structure and respiratory therapy equipment |
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| CN112451818A true CN112451818A (en) | 2021-03-09 |
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| CN202011256536.1A Pending CN112451818A (en) | 2020-11-11 | 2020-11-11 | Oxygen automatically regulated structure and respiratory therapy equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112451817A (en) * | 2020-11-11 | 2021-03-09 | 东莞永昇医疗科技有限公司 | Oxygen adjusting structure and respiratory therapy equipment |
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| CN112451817A (en) * | 2020-11-11 | 2021-03-09 | 东莞永昇医疗科技有限公司 | Oxygen adjusting structure and respiratory therapy equipment |
| CN215537431U (en) * | 2020-11-11 | 2022-01-18 | 东莞永昇医疗科技有限公司 | Oxygen automatically regulated structure and respiratory therapy equipment |
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| US20070044799A1 (en) * | 2005-07-08 | 2007-03-01 | Hete Bernie F | Modular oxygen regulator system and respiratory treatment system |
| US20100070095A1 (en) * | 2008-09-12 | 2010-03-18 | Yamatake Corporation | Flow meter and flow volume controlling device |
| CN207600531U (en) * | 2017-12-28 | 2018-07-10 | 郑州引领科技有限公司 | gas rectifier |
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| CN112451817A (en) * | 2020-11-11 | 2021-03-09 | 东莞永昇医疗科技有限公司 | Oxygen adjusting structure and respiratory therapy equipment |
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| CN112451817A (en) * | 2020-11-11 | 2021-03-09 | 东莞永昇医疗科技有限公司 | Oxygen adjusting structure and respiratory therapy equipment |
| CN112451817B (en) * | 2020-11-11 | 2025-11-07 | 东莞永昇医疗科技有限公司 | Oxygen regulation structure and respiratory treatment equipment |
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