JP2002017784A - Patient carrier device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a patient carrier device with improved usability and versatility, allowing an operator to carry a patient speedily to a bed in a patient receiving area and move or transfer the patient to other places easily. SOLUTION: The carrier device comprises a bed part 4 for laying a patient, a capsule part 5 covering the bed part 4, and a main body part 3 for mounting/ supporting the bed part 4 and the capsule part 5. The main body part 3 has a ventilation means 10 comprised of a fan and a power unit, and the main body part 3 is mounted on a truck 2 to be carried. The bed part 4 is detachable from the main body part 3, and the main part 30 of the capsule part 5 covering the body of the patient is also detachable from the main body part 3 as separated from the bed part 4 and sliding in the longitudinal direction.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a patient transport apparatus capable of moving an infectious patient or the like in isolation.

[0002]

2. Description of the Related Art Japanese Patent Application Laid-Open No. H11-290383 discloses a transfer device for treating or moving a patient such as an infectious disease in isolation.

[0003] The patient transport apparatus described in this publication is a patient transport container for transporting a patient in isolation by combining a loading section provided with a mattress and a frame with a stretcher configured to be separable. Having a main body and a ventilation means provided with a blower for purifying and discharging the internal air by forming a negative pressure so that the air inside the main body does not leak,
The main body portion is a sheet-like bottom material that covers the upper portion of the mattress in a state where the main body portion is placed on the loading portion, a bottom member that locks the bottom material, and a bottom member that is placed on the frame and the patient entrance / exit door. It is formed so as to have airtightness capable of maintaining the negative pressure and fixed shape capable of maintaining a constant shape.

[0004] The stretcher combined with the patient transport container has a loading section and a transport section that can be separated, and the loading section includes a mattress (bed section) on which the patient lies.
The transport unit constitutes a cart. As such a stretcher itself, a commercially available stretcher can be used, and in combination with the stretcher, the stretcher becomes convenient for use and has versatility.

[0005] In the configuration described in this publication, a patient accommodating section (capsule section) for covering and accommodating a patient is provided with a mattress loading section (bed section) of a stretcher by bolts.
To form a main body. In this state, it is mounted on the transporter (cart) of the stretcher via the roller-shaped leg members. As a result, the capsule (main body) accommodating the patient is integrated with the bed (mattress) so as to be separated from the trolley so as to be able to travel independently.

Further, since the lower surface of the main body integrated with the capsule and the bed portion is connected to the carriage via the bed portion, the air supply unit and the exhaust unit constituting the ventilation means are arranged on the upper surface of the main body (capsule). Provided on the side. Further, patient entrance doors are provided on both sides of the main body, and the patient is placed on a mattress or lowered from the mattress by opening one of the doors provided on both sides of the main body.

[0007] The patient is accommodated in the patient transport container having such a configuration, and the treatment and transfer of the patient are performed while maintaining the negative pressure in the container, thereby preventing the spread of the infectious bacteria to the outside and improving the convenience. And to improve versatility.

[0008]

However, in the patient transport apparatus described in the above-mentioned conventional publication, a loading section (bed section) separable from the cart side of the stretcher and a main body section (capsule section) for accommodating the patient are provided. Because it is integral, it is necessary to provide patient entrance doors on both sides of the capsule in order to accommodate the transported patient in the capsule, the structure is complicated, and it is necessary to increase the rigidity in terms of strength. ,
There are restrictions on material selection and shape. In addition, opening and closing a door and taking a patient in and out of a limited opening is extremely difficult and time-consuming, and is particularly problematic in terms of usability in an emergency. Further, since the door is provided on the side surface of the capsule, there is a possibility that the door is difficult to open or cannot be opened when housed in a narrow space such as in an ambulance.

Further, in the patient transport container disclosed in the above publication, since only the inside of the container is made to have a negative pressure, a patient who is unlikely to emit infectious bacteria or a case in which highly clean air is to be supplied from outside. Considering the application to, for example, the versatility is reduced.

Furthermore, since a ventilation unit such as a fan or a filter for maintaining the negative pressure is provided on the upper surface side of the capsule, the space for accommodating the patient in the main body is restricted, and a feeling of oppression is given to the patient. The operation is also difficult.

The present invention has been made in consideration of the above-mentioned prior art, and can quickly carry a patient onto a bed in a patient accommodating section, and can easily change and transfer a patient, thereby improving usability and versatility. To provide a patient transport device.

[0012]

According to the present invention, a bed portion on which a patient lies, a capsule portion for covering the bed portion, and a body for mounting and supporting the bed portion and the capsule portion are provided. And the main unit includes a ventilation unit including a filter, a fan, and a power supply device.
A patient transport device capable of transporting the main body mounted on a carriage, wherein the bed is detachable from the main body, and the capsule is a main part that covers the body of the patient. A patient transport device is provided which is detachable from a bed portion by being slidably attached to and detached from the main body portion in a longitudinal direction.

According to this configuration, since the capsule portion covering the patient on the bed portion is detachable from the bed portion and is detachable, the patient can be easily carried in and out with the capsule portion removed, and the usability can be improved. Increase. In addition, there is no need to provide a door on the capsule part, which simplifies the configuration of the capsule part itself, making it easy to manufacture and assemble, and also allows the patient to be transported with the capsule part removed or slightly displaced as necessary. Treatment in small spaces.

Further, since the capsule portion is structured so as to be detachably slidable in the longitudinal direction with respect to the main body portion, the capsule portion can be smoothly covered on the bed portion and mounted on the main body portion without hitting the capsule portion to the patient. .

In a preferred configuration example, as the ventilation means, any of a negative pressure ventilation means for producing a negative pressure in the capsule portion and a positive pressure ventilation means for producing a positive pressure can be used interchangeably. .

According to this configuration, it is possible to use not only the negative pressure but also the positive pressure inside the capsule for accommodating the patient,
Versatility increases.

In a further preferred embodiment, the ventilation means is provided below the main body.

According to this configuration, since the ventilation means for maintaining the capsule at a negative pressure or a positive pressure is provided below the main body, the configuration of the capsule disposed at the upper part of the main body is simplified, In addition, the feeling of oppression to the patient is eliminated and the operation becomes easier.

In a further preferred embodiment, a spacer projects from the mounting surface when the capsule main part is placed on the periphery of the lower surface of the capsule main part detached from the main body. And

According to this configuration, when the divided main part of the capsule is temporarily placed on the floor, the ground, or the like, the capsule is spaced apart from the placement surface by the spacer protruding downward from the frame material on the periphery of the capsule. Therefore, the capsule can be prevented from being damaged when the mounting surface has pebbles or other protrusions or slightly inclined, and can be stably mounted.

[0021]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a basic configuration diagram of a patient transport apparatus according to an embodiment of the present invention, in which (A) is a plan view and (B) is a front view. FIG. 2 is a side view of the head side. FIG. 3 is a structural view showing a state in which the patient transport apparatus is divided, and FIG. 4 is a sectional view showing a main part in an assembled state.

The patient transport apparatus 1 comprises a carriage 2 and a main body 3
, A bed unit 4 and a capsule unit 5. The main body 3 is removably mounted on the cart 2, and the bed 4 and the capsule 5 are removably mounted on the main body 3. The cart 2 includes a support frame 6 on which the main body 3 is mounted, and a caster frame 8 on which casters 7 are mounted. The caster frame 8 can be folded stepwise with respect to the support frame 6 so that the height of the support frame 6 can be changed.

The main body 3 is mounted on a support frame 6 of the carriage 2 via rollers 9. A ventilation unit 10 including a filter, a fan, and a power supply device is attached to the lower surface of the main body 3 as described later. An operation panel 10a is provided on the front of the ventilation unit 10. After the main body 3 is placed on the support frame 6, the hook piece 1 at the front end thereof is
The lock 1 is locked with the stopper 12 on the cart side.
3 fixedly held. The lock 13 includes an L-shaped locking piece 13a provided on a side surface of the ventilation unit 10 of the main body 3 and a trolley-side locking piece 13b engaged with the L-shaped locking piece 13a. (The inside of the frame 6) is rotated to raise the lock piece 13b from horizontal to vertical to engage with the locking piece 13a on the main body side.

The main body 3 is mounted on the support frame 6 of the truck.
Is not limited to the rotary roller 9, but may be any method as long as it can be supported on the support frame 6 with an interval corresponding to the height of the ventilation unit 10. The use of the rollers 9 makes it easy to carry the main body 3 in a state where the main body 3 is lowered from the carriage 2.

The main body 3 includes a main body outer frame 14, two front and rear rib frames 14a (see FIG. 1A) for mounting the roller 9 fixed inside the main body outer frame 14, and the ribs 14a. It is composed of a bottom plate 15 (see FIG. 4) mounted on the frame 14a and two bed support frames 16 provided on the bottom plate 15 and arranged in a vertical direction (front-back direction). The bottom plate 15 is provided with an outlet 17 for clean air sent from the ventilation unit 10 at two locations on the front side substantially at the center thereof, and an exhaust port 18 at one location on the rear end. Guides 19 for mounting capsules are provided on both sides of the outer frame 14 of the main body. A cover 17 a for preventing dust or body fluid from falling into the ventilation unit 10 is provided at the outlet 17.
(See FIG. 2)).

A head capsule 21 is attached to the front end of the outer frame 14 via a hinge 20 so as to be openable and closable. The head capsule 21 covers the patient's head in the upright state, and completely opens the upper surface of the main body 3 in the open state (see FIG. 9 described later).

The outer frame 14 and the ribs 14a constituting the frame of the main body 3 and the frame material of a capsule described later can be formed of, for example, a square pipe made of an aluminum alloy or the like. A groove for mounting a bolt, a nut, or the like may be formed on the outer surface of the square pipe along the longitudinal direction. In this case, the hinge is attached to the square pipe through the groove. 20 and a guide 19 are attached.

The bed section 4 includes a mattress 22 on which a patient lies, an inner frame 23 for supporting the mattress 22 via a support plate 54 (see FIG. 4), and rollers 24 mounted on the inner frame 23. Is done. The roller 24 rolls on the bed support frame 16 of the main body 3 described above, and slides the bed 4 with respect to the main body 3. At a position where the front end of the inner frame 23 is in contact with the stopper 25 provided on the main body 3, a latch 26 is engaged and the bed 4 is fixedly held to the main body 3 as described later.

As shown in FIG. 4, the roller 2 of the bed 4
4 spacing (ie spacing of bed support frame 16)
Is the same as the distance between the rollers 9 of the main body 3 (that is, the distance between the support frames 6 of the carriage 2). Therefore, it is also possible to mount the bed 4 directly on the cart 2.

The capsule part 5 is divided into two parts, and is composed of the head capsule 21 and the body part capsule 30 described above.
Divided head capsule 21 and body part capsule 30
The members are connected by a lock lever 49. A lower frame 31 is mounted along the lower edges of both capsules. Head capsule 21
A reinforcing frame 31a made of a square pipe made of the above-described aluminum alloy or the like is provided on the mating surface of the body part capsule 30 and the vicinity of the rear end of the body part capsule 30. A lock lever 53 is provided at the rear end of the body part capsule 30 and is fixed and held to the main body part 3. 50 is a handle.

On both side surfaces of the body part capsule 30, a communication port 32 and three operation holes 33 in this example are provided. The call opening 32 is partitioned by a thin film through which sound is transmitted, and each operation hole 33 is closed with a soft plastic material having a radial cut so that a hand can be inserted. Gloves may be attached to the operation hole 33.

The reinforcing frame 31a of the head capsule 21
Next, as shown in FIG.
The two bottle hooks 55 (or one) may be slidably mounted (or fixed in position) along the reinforcing frame 31a. This bottle hook 55
Is for temporarily suspending a drip bag or other medical device.

At the lower ends on both sides of the front end of the capsule 30, forefoot pieces 51 are pivotally mounted so as to be freely rotatable around a shaft 51a (see FIGS. 1 and 5). In addition, the rear foot piece 52 is provided in two places on the rear edge side.
Project downward from the lower frame 31 and are fixed. With the capsule 30 removed, the forefoot piece 51 and the hindfoot piece 52 rotate downward by their own weight and project as shown in FIG. , The lower frame 31 is held away from the floor surface with the forefoot piece 51 standing together with the hindfoot piece 52.

When the capsule 30 is mounted (the capsule 30 is slid from the rear side of the main body 3 as shown in FIG. 10 to be described later), the forefoot piece 51 is mounted as shown in FIG. The forefoot piece 51 slides on the guide 19 in a substantially horizontal state by being hooked on the rear end of the guide 19 and pivoting, and further pushing the capsule 30 along the guide 19.

FIG. 6 is a plan view showing a configuration example of the ventilation unit 10. FIG. 7 is a front view showing an example of the operation panel. A fan 37, a battery 38, and a HEPA filter 39 are provided in the housing 42. A suction port 35 is provided below the housing 42, and a pre-filter 36 made of, for example, a non-woven fabric is mounted. The air outlets 40 are provided at two places on the upper side of the housing 42. The outlet 40 communicates with the outlet 17 (FIG. 1) of the main body 3 described above. The operation panel 10a is attached to one side surface of the housing 42. Air is taken in from the suction port 35 by the fan 37, dust and the like are removed through the pre-filter 36, and the air becomes clean air through the HEPA filter 39 and is sent from the outlet 40 into the capsule section 5 on the main body 3.

As shown in FIG. 7, a voltmeter 43, an operation switch 44, an operation lamp 45,
A selector switch 46, an external power supply connector 47, a charging connector 48, and the like are provided. Selector switch 46
The selection of the charging operation, the operation by the battery 38, and the operation by the external power supply (for example, the power supply of an ambulance car) can be made by the selection. Also, the charger can be used as an external power supply. The battery 38, the external power supply connector 47, the charging connector 48, and the like constitute a power supply device.

Although the ventilation unit 10 has a configuration in which clean air is sent into the capsule to generate a positive pressure, a configuration in which the pressure in the capsule is set to a negative pressure by changing the arrangement of the filter and the fan may be employed. In this case, the flow of air is reversed, and the air that has passed through the nonwoven fabric filter flows into the capsule from the above-described outlet 18 and the like, and the air from inside the capsule flows into the ventilation unit 10 through the outlet 17. , HEPA
It is cleaned through a filter and discharged outside. In the patient transport apparatus of the present invention, such a ventilation unit for negative pressure can be prepared separately from the ventilation unit for positive pressure, and can be used after replacement.

FIG. 8 shows an example of the configuration of a latch 26 for fixing and holding the bed 4 on the main body 3.
As shown in FIG. 8, the latch 26 is slidably mounted on the bed support frame 16 and is mounted on the latch body 27 so as to be rotatable between a horizontal (horizontal position) and a vertical (vertical position). And a knob 29 attached to the latch body 27. Knob 29
Is a bed support frame 16 by a spring (not shown).
Is being urged towards. The front end of the bed 4 is the main body 3
Contact the stopper 25 (see FIG. 1) of the
8 is manually raised from a horizontal position (horizontal) to a vertical position (vertical), and the latch body 27 is slid by pulling the knob 29 with the latch piece 28 standing.

When the tip of the knob reaches the position of a hole (not shown) formed in the bed support frame 16 in advance, the tip of the knob is inserted into the hole by a spring. Here knob 29
Rotate 90 ° to lock its tip in the hole. Thereby, the latch piece 28 is engaged with the shaft 24 a of the roller 24 (see FIG. 4), and the bed 4 is fixedly held on the main body 3. When releasing the latch, the operation is performed in the reverse order to that described above. In a state where the bed portion 4 is separated from the main body portion 3 with the latch released, the patient can be placed on the bed portion 4 and transported alone or run by rolling the roller 24.

FIGS. 9 to 10 are explanatory diagrams sequentially showing the procedure for using the above-mentioned patient transport apparatus. As shown in FIG. 9, the main body 3 is mounted on the trolley 2 whose caster frame 8 is folded down to reduce the height, and the head capsule 2
1 is fully opened. On the main body 3, a bed 4 on which a patient is placed on a mattress 22 is mounted as shown in FIG. Next, the head capsule 21 is raised as shown in FIG. Next, as shown in FIG. 10, the caster frame 8 is raised to raise the height of the carriage 2. Then, as shown in FIG.
From the rear along the guide 19, and is attached at first obliquely. Subsequently, the body part capsule 30 is pushed horizontally along the guide 19 and slid as shown in FIG.
Thereafter, the reinforcing frames 31a of the head capsule 21 and the body part capsule 30 are abutted to each other and fixed by a fixing means such as a lock lever 49 (FIG. 1). In addition, as shown in
Patients can be treated or the like with the body part capsule 30 shifted slightly backward.

FIGS. 11 to 13 are explanatory views of the structure and operation of a more specific example of the forefoot piece 51 described above. Figure 1
1 is a diagram of a forefoot piece 51 in a state where the body part capsule 30 is placed alone on the floor 56, and the body part capsule 30 is composed of a forefoot piece 51 and a hindfoot piece 52 (FIGS. 1 and 3) as described above. reference)
Supported by The forefoot piece 51 has a long hole 51b and a notch groove 51d. The shaft 51 is provided on the reinforcing frame 31a side.
a and a pin 51c are provided. The shaft 51a is a long hole 51
The forefoot piece 51 is rotatably supported by being engaged in the inside b. The pin 51c is engaged in the notch groove 51d to hold the forefoot piece 51 in an upright state.

As shown in FIG. 12, the body part capsule 30
Is lifted for mounting along the guide 19 of the main body 3, the forefoot piece 51 is lowered by its own weight, the shaft 51a is engaged with the upper end of the elongated hole 51b, and the pin 51c is disengaged from the notch groove 51d. As a result, the forefoot piece 51 is
It becomes freely rotatable around. In this state, the forefoot piece 51 is placed on the guide 19 and slid, and the body part capsule 30 is mounted on the main body part 3 as shown in FIG. When the body part capsule 30 is removed and made horizontal, the forefoot piece 51 becomes vertical by its own weight, and when the capsule is lowered on the floor, the pin 51c enters the notch groove 51d due to the weight of the capsule and holds the forefoot piece 51 in a standing state. (FIG. 11).

In the patient transport device of the above embodiment, a chemical spray device for disinfecting the inside of the capsule may be provided. The chemical spray device is provided with a chemical nozzle facing the inside of the capsule, and a chemical cup of, for example, alcohol connected to the chemical nozzle at an appropriate position such as the capsule portion or the main body portion. A pressure is supplied from a pressure cylinder provided in the container, and a chemical solution is sprayed into the capsule when necessary to disinfect the inside. A dedicated disinfecting booth equipped with such a chemical spray device may be provided. Alternatively, it is also possible to cover the entire patient transport device with a vinyl hood or the like, and to perform chemical spray disinfection from the outside of the patient transport device.

Further, the patient accommodated in the patient transport apparatus of the above-described embodiment may be configured to be able to perform radiotherapy as it is. In this case, the reinforcing frame 31 of the capsule portion 5
The material a is made of a hard non-metallic material which does not affect the radiation, and the position of the mattress 22 is changed from the lower metallic material (such as the outer frame 14 of the main body, the bed support frame 16 or the support frame 6 of the cart 2). In order to prevent the influence of the reflection of light.

[0045]

As described above, in the present invention, since the capsule portion covering the patient on the bed portion is detachable from the bed portion and can be detached, the patient can be placed on the bed portion with the capsule portion removed. This makes it easier to place and carry the patient into and out of the transport device, or to place and lower the patient on a bed built into the transport device as it is, increasing the usability and handling of the device. In such a case, it is possible to take prompt action in an emergency or the like. In addition, there is no need to provide a door on the capsule part, which simplifies the configuration of the capsule part itself, making it easy to manufacture and assemble, and also allows the patient to be transported with the capsule part removed or slightly displaced as necessary. Treatment in small spaces.

Further, since the capsule portion is structured to be detachably slidable in the longitudinal direction with respect to the main body portion, the capsule portion can be smoothly covered on the bed portion and mounted on the main body portion without hitting the capsule portion to the patient. .

[Brief description of the drawings]

FIG. 1 is a plan view and a front view of a patient transport apparatus according to an embodiment of the present invention.

FIG. 2 is a side view of the patient transport apparatus of FIG.

FIG. 3 is an exploded view of the patient transport apparatus of FIG. 1;

FIG. 4 is a sectional view of a main part of the patient transport apparatus of FIG. 1;

FIG. 5 is an explanatory view of a forefoot piece of the patient transport apparatus of FIG. 1;

FIG. 6 is a plan view of a ventilation unit used in the present invention.

FIG. 7 is a front view of an operation panel of the ventilation unit in FIG. 6;

FIG. 8 is a configuration diagram of a latch according to the present invention.

FIG. 9 is an explanatory diagram of a procedure for using the patient transport apparatus of the present invention.

FIG. 10 is an explanatory diagram of a procedure following the procedure of FIG. 9;

FIG. 11 is an explanatory view of an upright body of a forefoot piece according to the present invention.

FIG. 12 is an explanatory view of an oblique body of the forefoot piece of FIG. 11;

FIG. 13 is an explanatory view of the horizontal body of the forefoot piece of FIG. 11;

[Explanation of symbols]

1: Patient transport device, 2: cart, 3: body, 4: bed, 5: capsule, 6: support frame, 7: caster, 8: caster frame, 9: roller, 10: ventilation unit, 10a: Operation panel, 11: hook piece, 12:
Stopper, 13: Lock, 14: Outer frame, 15: Bottom plate, 16: Bed support frame, 17: Air outlet, 18:
Outlet, 19: guide, 20: hinge, 21: head capsule, 22: mattress, 23: inner frame, 2
4: roller, 25: stopper, 26: latch, 27: latch body, 28: latch piece, 29: knob, 30: body part capsule, 31: lower frame, 31a: reinforcing frame, 32:
Communication port, 33: operation hole, 35: suction port, 36: pre-filter, 37: fan, 38: battery, 39: HEPA
Filter, 40: outlet, 42: housing, 43: voltmeter,
44: operation switch, 45: operation lamp, 46: selector switch, 47: external power supply connector, 48: charging connector, 49: lock lever, 50: handle, 51: front foot piece, 52: rear foot piece, 53: lock lever 54: support plate, 55: bottle hanging, 56: floor.

Claims (4)

[Claims] 1. A bed portion on which a patient lies, a capsule portion for covering the bed portion, and a main body portion for mounting and supporting the bed portion and the capsule portion, wherein the main body portion includes a filter, a fan, and a power supply. A patient transport device comprising a ventilation means comprising a device, wherein the main unit is mounted on a carriage and can be transported, wherein the bed is detachable from the main unit, and the capsule unit is a patient body. A main part for covering the main body is detachable from the bed part by sliding in the longitudinal direction with respect to the main body part. 2. A ventilation system according to claim 1, wherein said ventilation means can be replaced with any of a negative pressure ventilation means for producing a negative pressure in said capsule and a positive pressure ventilation means for producing a positive pressure. A patient transport device according to claim 1. 3. The patient transport apparatus according to claim 1, wherein the ventilation means is provided below the main body. 4. A spacer protruding from a periphery of a lower surface of a main part of the capsule detached from the main body to separate the capsule main part from a mounting surface on which the main part of the capsule is mounted. 4. The patient transport device according to any one of 3.