JPH09206339A - Patient transport mechanism, patient transporting chair, and method to transport patient between chair and bed - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a system to transport a patient easily from a chair to a bed. SOLUTION: A patient 1 is transported from a chair 3 to a bed 2 using a lever 28 in this chair 3 for transportation. During transportation, the patient 1 is transported to the bed 2 being supported his/her back with a mattress 9 by taking up a leg base 12 by operation of the lever 28 by a carer. The bed 2 is equipped with a sheet 7 for transportation, and the patient 1 is transported to the bed 2 by moving the sheet 7 for transportation toward the head direction.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a patient transfer system, and more particularly to a system for transferring a patient between seats such as a bed and a chair, a wheelchair and a mobile toilet.

[0002]

The process of transferring an injured patient between a bed and a chair often requires a few more caregivers. Such work often requires considerable effort and is also a cause of injury to the patient being transferred, the caregiver being transferred, or both. These patient transfer problems are the main reasons people stay in hospitals or move to nursing homes without treatment at home, and in many cases, the costs of caring for patients in hospitals and nursing homes. Is increasing. In addition, injured patients are easily injured while being transported between the bed and wheelchair due to stress on weak bones, bed sores, or accidental fall accidents.

For example, US Pat. No. 4,726,082
No. 4,797,960, No. 4,819,28
No. 3, No. 5,127,113, No. 5,319,8
In No. 13, the applicant (Nova Technologies
(Incorporated) discloses various novel arrangements for transporting an injured patient between a bed and a separate wheelchair, chair, mobile toilet or other seat. This arrangement is configured, for example, to extend the transfer sheet wound up by the rollers under the bed of the bed onto the bed mattress and unwind it from the rollers above the bed. These conventional designs solve the problem of patient transfer. However, there remains a need to reduce the complexity and cost associated with designing, manufacturing and operating patient transfer systems while maintaining the comfort, safety and ease of conventional patient transfer systems.

[0004]

SUMMARY OF THE INVENTION The present invention has been made from the above technical standpoint, and its object is a wheelchair, a chair or other seat, and a bed with rollers, a transfer seat. And a lifting mechanism, which does not impose any burden on the injured patient, and requires little care and skill by the caregiver to move the patient from the bed to a wheelchair or other part of the body. It is an object of the present invention to provide a system capable of transferring onto a horizontal seat of a chair and then raising the patient's body to the normal sitting position of a wheelchair or other chair.

Another object of the present invention is a method for comfortably and safely transporting a patient while minimizing sliding movements and forces exerted on the patient's body, which may cause injury or deterioration of the patient's body. Is to provide.

Yet another object of the present invention is to provide substantially the same level of comfort as conventional patient transfer systems while keeping design, manufacturing and operation costs very low.
It is intended to show a simpler patient transfer system arrangement that can ensure safety and ease.

[0007]

In order to solve the above problems, according to a first aspect of the present invention, a patient transfer mechanism is provided. This patient transfer mechanism is, as described in claim 1, (a) a bed having a head-direction end portion and a foot-direction end portion; and (b) a seat arranged at the foot-direction end portion of the bed. And a movable pedestal; and (c) a lever attached to the pedestal and capable of lifting the pedestal to transfer a patient from the seat to the bed. .

The lever provided in the patient transfer mechanism is
As described in claim 2, it can be configured to be manually moved and assisted during the transfer from the seat to the bed.

Further, it is preferable that the seat provided in the patient transfer mechanism is movably mounted on the chair. Further, the seat provided in the chair / bed transfer mechanism can be pivotally attached to the chair by a pivot shaft located below the seat as described in claim 4. Further, it is preferable that the seat provided in the transfer / bed transfer mechanism is connected to the foot stand so that the movement of the foot stand is interlocked with the seat.

Further, the bed of the patient transfer mechanism further comprises: (a) a mattress; (b) a head-direction roller at the head end of the bed; (c) a foot direction at the foot-end of the bed. A roller; (d) a transfer sheet that spreads over the mattress and is wound around each of the rollers; and (e) is attached to at least one roller, and the transfer sheet is wound around the head-direction roller. At least one roller driving mechanism for assisting in transferring the patient from the seat to the bed by operating to unwind from the foot-direction roller can be configured.

Furthermore, the chair of the patient transfer mechanism, as claimed in claim 7, assists in lifting the footrest,
A spring may be provided to assist in transferring a patient from the chair to the bed. Also, the chair is a wheelchair as described in claim 8, a wheelchair and a mobile toilet as claimed in claim 9, or a mobile toilet as claimed in claim 9. Can also be configured to be combined.

Furthermore, the footrest of the patient transfer mechanism is
12. The transfer sheet as claimed in claim 11, which is coupled to the transfer sheet and rolls up the transfer sheet around the head-direction roller to assist the transfer of the patient from the chair to the bed. As such, it is preferred that the pedestal move.

In order to solve the above problems, the second aspect of the present invention
According to the aspect, there is provided a chair for transferring a patient from the chair to the transfer bed. This chair comprises: (a) a frame having a front part and a rear part; (b) a seat; (c) a leg stand; the leg stand is pivotally connected to the frame, and the seating position and transfer Movable to and from a position; the seat is movably mounted to the frame of the chair and the seat is connected to the footrest so that the seat is interlocked with the movement of the footrest. It is characterized by

The chair may have a structure as described in claim 13.
Further, it is preferable that a lever for moving the footrest and the seat is provided. Further, according to a fourteenth aspect of the present invention, the seat may be lowered toward the rear portion of the frame by the movement of the footrest between the sitting position and the transfer position. Further, according to a fifteenth aspect, the seat may be configured to descend toward the rear portion of the frame at a position where the footrest is substantially higher than the seat. Further, the sheet may be configured to include a mobile excrement container such as a bottle as described in claim 16.

In order to solve the above problems, the third aspect of the present invention
According to another aspect, there is provided a method of transferring a patient on a chair having a movable pedestal with a lever to a bed. The method is as set forth in claim 17, wherein: (a) positioning the chair at the end of the bed; and (b) moving the lever to raise the pedestal to lift the patient from the chair. And a step of transferring to a bed.

Further, as in claim 18, the bed is provided with a transfer sheet: (c) moving the transfer sheet to assist in transferring the patient from the sheet to the bed; It can also be configured to include.

Furthermore, as described in claim 19,
The chair may include a movable seat, and the step of moving the lever may move the seat to assist in transferring the patient from the seat to the bed.

Furthermore, as described in claim 20,
The chair includes a movable seat, the bed includes transfer sheets, and (c) moving the seat in response to movement of the lever to assist the transfer;
And a step of moving the transfer sheet to assist the transfer.

Furthermore, as described in claim 21,
The bed may be provided with a transfer sheet, and the transfer sheet may be connected to the lever such that movement of at least a part of the transfer sheet causes movement of the lever.

Furthermore, as described in the twenty-second aspect, it is possible to include (d) a step of assisting the transfer by lowering the bed.

In order to solve the above-mentioned problems, according to a fourth aspect of the present invention, (a) a bed having a head end portion and a foot end portion; and (b) a foot end portion of the bed. A chair having a seat and a movable pedestal positioned on the pedestal; and (c) a lever attached to the pedestal, the lever moving the pedestal from a raised position to a lowered position. Is configured to be transferred from a bed to a chair; and a patient transfer mechanism is provided.

In order to solve the above-mentioned problems, according to a fifth aspect of the present invention, there is provided a method for transferring a patient on a bed to a chair, the chair comprising a pedestal movable up and down by a lever. Including: (a) positioning the chair at the end of the bed; (b) moving the patient so that the patient's leg rests on a raised pedestal; (c) A step of lowering the platform by the lever to transfer the patient from the bed to the chair; and (d) raising the back of the patient.

In summary, according to the present invention, the patient transfer sheet is manually operated as desired by using the lever,
It can assist in transferring a patient from a wheelchair, chair or other seat to a bed. During transfer of the patient from the seat to the bed, the lever is operated by the caregiver to assist the patient's back and transfer it onto the transfer bed device. The springs that assist the device can also be selectively used to assist the transfer. Accordingly, the cost of designing, manufacturing and operating a transfer seat can be substantially reduced while maintaining the design comfort, safety and ease of conventional patient transfer systems.

[0024]

BEST MODE FOR CARRYING OUT THE INVENTION Preferred embodiments of a patient transfer mechanism, a patient transfer chair and a method for transferring a patient between a chair and a bed according to the present invention will be described below with reference to the accompanying drawings.

First, the operation of the simplified patient transfer system according to the present invention will be described with reference to FIGS.

In FIG. 1, a patient 1 sitting on a wheelchair 3
Is ready to be transferred to the transfer bed 2. The transfer bed 2 is a conventional bed 4 as in a nursing facility or a hospital, and has a mattress 9 and a configuration described later. The bed can be adjusted by conventional means (not shown) to the optimum height for performing the required movements (ie substantially the same level as the seat of the wheelchair).

The bed 4 is fitted with a known mechanism for transferring the patient in the longitudinal direction of the bed. This mechanism includes rollers 5 and 6 at both ends of the bed, and the transfer sheet 7 can be wound around these rollers. By rotating the roller with an electric motor or a hand crank, the transfer sheet can move longitudinally over the bed to transfer a patient lying on the bed along the surface of the mattress 9. Bed 4 again
An elevating member 17 is attached to the mat, and the elevating member 17 allows the mattress 9 to be selectively lifted by a known method.

The wheelchair 3 is provided with a mechanism for transferring a patient between the bed and the chair. Wheelchair 3 is front wheel 1
5 and a frame 14 supported on a rear wheel 16. In the figure, these dimensions are shown in a reduced scale.
Both wheels can be configured as casters or with fixed axles. For example, the front wheels may be large-sized with axles, and the rear wheels may be casters. The backrest 11 of the wheelchair can be detachably attached to the back of the wheelchair by a known method. The seat 10 is rotatably attached to both sides of the frame 14 via seat turning shafts 19, and is provided with a footrest 12
And is connected to the top of the knee hinge 20. Similarly, the bottom of the footrest 12 has the link 2 through the foot pivot shaft 21a.
It is attached to both sides of 1. The other end of the link 21 is attached to the frame 14 by a link pivot shaft 22. The seat 10 is fixed in the normal seating position as shown, except during the transfer operation. The footstep 13 is
It is attached to the pedestal 12. Elbow pads 24 and handles 23 are also attached to the frame 14 as needed. Preferably, a lever 28 is attached to the pedestal 12 to assist the caregiver during transfer. As will be appreciated by those skilled in the art, the lever 28 may be attached to the seat itself or to other components of the seat to allow the lever to lift the pedestal to assist in transferring the patient from the chair to the bed. It is configured.

FIG. 2 shows the next step in the transfer operation. The wheelchair 3 is pushed backward as shown by the arrow 100. It is important for safety measures to maintain the position of the wheelchair 3 with respect to the bed 2 by a known method so that the wheelchair 3 does not move and move away from the bed 2 during transfer.
The wheelchair 3 can be fixed to the bed 2 by fixing the wheelchair 3 to the end of the bed 2 by a latch means (not shown). Alternatively, the wheels can be locked and the caregiver can fix the wheelchair. Those skilled in the art can also use other fixing means to prevent the wheelchair 3 from moving relative to the bed 2.

A controller (not shown) adjustable by the transfer caregiver is provided and the caregiver activates a switch when transferring the patient to the bed. The lifting member 17 rotates to raise the mattress 9 to a substantially vertical position as shown. When the mattress 9 rises, the wheelchair 3 is fixed in that position, the lock mechanism of the backrest 11 is released by means not shown, and the backrest 11 is removed. Alternatively, the lifting member 17 may be configured to lift the transfer sheet 7 without lifting the mattress, as shown in FIGS.

FIG. 3 shows the wheelchair 3 with the backrest 11 removed, the back of the patient 1 being supported by a mattress 9. In the example shown, the backrest is completely removed, but it may be removed from the back of the patient by shifting the backrest down, pivoting sideways, or by other means. it can. Caregiver 27
Holds lever 28 and is ready to transfer the patient to the bed.

FIG. 4 shows the actual start of patient transfer. By the operation of lowering the mattress elevating / lowering member 17, the patient 1 is lowered as the mat is laid down as indicated by the arrow 101. As the mattress 9 lowers, the caregiver 27 lifts the lever and lifts the pedestal 12 to rotate the seat 10 at the desired angle, for example 20 degrees. When the mattress 9 is lowered, the rear roller 6 is driven and the loose transfer sheet 7 is wound up.

FIG. 5 shows the mattress lifting member 17 in the lowered position. There, a part of the patient 1 is lying on the mattress 9. Preferably, the mattress 9 is tilted downward by about 10 degrees and the caregiver moves the lever 28 as the sheet 7 begins to be rolled up on the roller 6 so that the patient is in bed as shown in FIGS. 6-8. To ride comfortably.

As shown by arrows 102 and 103 in FIG.
The patient 1 moves on the mattress 9 by the operation of the sheet 7 and the rotating operation of the lever 28. At that time, the rear roller 6 is driven to wind the sheet 7 from the front roller 5 so as to slide on the mattress 9.

FIG. 7 shows a state in which the pedestal is completely lifted. The rear roller 6 causes the patient 1 to be further moved so that the patient's legs and feet are moved to the pedestal 12 as shown in FIG.
Slipping off and the patient's entire body fits within the mattress 9.
At this point, the transfer of the patient from the wheelchair 3 to the bed 2 is almost complete.

By performing the above steps in reverse order, beginning with FIG. 8 and reaching FIG. 1, the patient can be returned from the bed to the wheelchair. As shown in FIG. 7, the sheets 7
When the patient transfers the patient to a predetermined position on the wheelchair (the position where the patient's foot touches the footstep 13), the caregiver 27 moves the lever 2
8 begins to be lowered to help the patient's foot rest firmly on the footstep and continue such movement until the footrest is substantially lowered, as shown in FIG. The mattress 9 is lifted up, and the sheets 7 are moved by the rear roller 6 as shown in FIG.
Is rewound from. As shown in FIG. 3, when the mattress 6 is fully raised, the caregiver releases the lever 28 at its fully lowered position. The backrest is attached to the chair and the chair is removed from the bed as shown in FIGS.

As shown in FIG. 1, the seat pivot shaft 19 is
Preferably, it is located below the seat 10 and, as shown in FIGS. 4 to 6, when the seat is swiveled and tilted toward the bed during transfer, a large gap is not formed between the mattress and the seat. Further, in this pivoted position, the top of the seat moves back and forth in response to the sliding motion of the patient's buttocks on the seat cushion.

A rotatable seat and pedestal, as shown in succession in FIGS. 2-8, is also used in another embodiment in which the bed is lowered during transfer to the bed and raised during transfer to the chair. It is possible.

FIG. 2 shows a locking mechanism suitable for mounting as needed. As shown, in the present embodiment, the lever 28 allows the wheelchair 3 to be secured in a seated position in which the seat 10 is substantially horizontal and the pedestal is inclined downwards from the seat cushion. is there. The lever 28 extends through the hole 30 of the level guide 29. The level guide 29 is connected to the footrest, and the footrest 12 can be raised and lowered by tilting the lever 28. When the seat is in a substantially horizontal position, the lever 28 can be pushed towards the back of the wheelchair to pop through the locking holes 31 of the wheelchair frame 14 to lock the seat in its seated position. At the same time, the lever can be retracted to an inconspicuous position at the same time.

FIG. 10 and FIG. 11 show another schematic structure for easily transferring a patient from a wheelchair to a bed or returning the patient from the bed to the wheelchair. In this configuration, as shown in FIG. 10, the bed 2 is lowered when it is transferred from the wheelchair 3 to the bed 2. Then, as shown in FIG. 11, the bed 2 is raised when the patient is returned from the bed 2 to the wheelchair 3. By adjusting the height of the bed 2 relative to the wheelchair 3, the patient can be transferred to / from the wheelchair without assistance. In this configuration, it is preferable to lift the leg and lower the seat rearward by using a spring as in the configuration shown in FIG.

FIG. 12 shows another auxiliary structure. As shown, the wheelchair 3a includes an extension spring 32 connected between the seat cushion support portion 10a and the wheelchair frame 14. The spring 32 is to provide a torque that partially supports the weight of the pedestal and the patient's leg above it, which facilitates transfer. As shown in the figure, when the seat is in the normal seated position (non-inclined position), the spring is extended in the direction of lifting the pedestal, and acts to rotate the seat. As will be apparent to one of ordinary skill in the art, the placement and condition of the spring (extended or contracted) may be less significant if the spring acts to lift the pedestal and patient's leg to transfer the patient from the chair to the bed. Not a significant issue. This spring force is preferably adjustable, and the spring 32 is provided with a hydraulic or hydraulic damper or a dashpot with a piston, and is used as a mechanism for reducing the closing speed of a household door. Similarly, gas or liquid can be configured to be urged through the restriction opening.

In FIGS. 13 to 19, the seat 40 has a chair 43.
Of a patient from the chair 43 to the bed 4 by a system according to another embodiment, which is in a fixed position in which the bed can be raised when being transferred to the bed and can be lowered when being transferred to the chair. Is shown.

FIG. 13 shows the patient 1 sitting on the seat 40. The seat 40 is a frame 44 of the chair 43
The foot 53 of the patient can be supported on the footstep 13. The patient 1 is supported by a mattress 9 that is lifted behind it. The backrest, not shown, has already been removed from the wheelchair. The pedestal 42 is rotatably connected to the chair frame 44 by links 41 and 45. The transfer sheet 7 is arranged so as to cover the raised mattress 9, and one end thereof is wound around the front roller 5. The front roller 5
Are attached to the bed 4, as shown in FIGS. The arrow 49 indicates the direction in which the mattress is lowered, and the transfer is started by this operation. In FIG. 13, the bed is in the lowered position and is configured to facilitate transfer to the bed. 13 to 19, the height of the bed is shown by the height of the roller 5 with respect to the floor.

FIG. 14 shows a state in which a part of the patient 1 is on the lowered mattress 9. The patient's legs and buttocks are lifted by the footrest 42. Pedestal 42
Are supported by links 45 and can be lifted by the caregiver by manually moving lever 48, by springs, or both. With the bed in the lowered position, the patient can easily pull it by moving the sheets 7, as shown in FIGS.

To transfer the patient shown in FIG. 17 to the chair, the bed is raised in the direction indicated by arrow 57 and the sheets 7
Is rolled up by the roller 5, and the patient may be moved toward the chair as shown in FIGS. 18 and 19.

The advantage of using a fixed seat is that the fixed seat can be used as a mobile toilet with a vial and pot which can be used by the patient.
Of course, it is also possible to use a movable sheet instead of the fixed sheet.

20 and 21 show a wheelchair 43 having a fixed seat 40 and a spring 52. The spring 52 is connected between the footrest 42 and the frame 44 of the wheelchair and acts to lift the footrest during transfer. The spring may also be configured with a damper or dashpot to limit speed.

FIG. 22 shows another embodiment of a wheelchair configured so that the seat lowers as the platform is lifted. The seat 60 is supported by links 65 and 66 that are pivotally attached to both sides of the wheelchair 74. The pedestal 72 is rotatably supported by links 67 and 62 rotatably attached to both sides of a wheelchair frame 74. Sprocket 75, 76
Are rotatably attached to the frame 74 and are connected by a chain 79. The link 62 is connected to the link 66 via the sprockets 75 and 76, the chain 79 and the shaft 78, and by the operation of the pedestal 72,
The link 62 moves the link 66 and the seed 60, and the use of the lever arm 48 lifts the pedestal 72 from the seated position to the transfer position so that the seat 6
0 descends and moves to the back of the wheelchair, and the patient is transferred in that state.

During the transfer, the movement of the seat minimizes the sliding motion of the buttocks on the seat, and the position of the pedestal at the time of transfer is further lowered as compared with the example in which the fixed seat is adopted. It becomes possible. This movable seat configuration can be operated with or without raising and lowering the bed when transferring a patient to the bed or chair. Moreover, as will be appreciated by those skilled in the art, the sheets are maintained in a substantially horizontal position during transfer. Therefore, if necessary, the seat of a mobile toilet, potty pot, etc. can be used without worrying about spilling the contents.

In FIG. 23, FIGS. 3, 4, 5 and 6 are shown.
A configuration is shown that can be used in place of the caregiver shown in. The wheelchair 3 comprises a leg stand 12 detachably connected to a tow line 36 via a pulling bracket or lever 35 fixed to the leg stand 12. The other end of the tow rope 36 is connected to the transfer sheet 9 or to the sheet roller 6, and when the sheet 9 moves toward the head of the bed by being wound by the roller 6,
The towline 36 pulls on the footrest, which moves the patient 1 onto the bed 2. The tow line 36 may be fixed to the transfer sheet, or may be detachably attached to the sheet by a detachable fixing means such as a magic tape. The towline 36 may be provided on either side of the bed or on both sides of the bed.

Although the chair / bed transfer system according to the present invention has been described above with reference to the accompanying drawings, the present invention is not limited to such an example. It is obvious to those skilled in the art that various modifications and modifications are conceived within the scope of the technical idea described in the claims,
It is understood that these also belong to the technical scope of the present invention. For example, although the wheelchair has been described as an example in the above example, the present invention is not limited to such an example, and by applying it to a seating device such as various chairs and benches, the operation of transferring a patient from a chair to a bed can be performed. It is possible to assist.

[0052]

As described above, according to the present invention,
Wheelchairs, chairs and other seats, and beds with rollers, transfer sheets and a lifting mechanism that do not impose any burden on the sick or injured and require little care and skill by the caregiver. It is only possible to transfer the patient from the bed to a part of his body on the horizontal seat of a wheelchair or other chair and then to raise the patient's body to the normal sitting position of the wheelchair or other chair.

Further, according to the present invention, the patient can be comfortably and safely transported while minimizing the sliding motion and the force exerted on the patient's body which may cause the patient's body to be damaged or aggravated. Is possible.

Furthermore, according to the present invention, while the cost required for designing, manufacturing and operating is kept very low,
It is possible to provide a simpler patient transfer system that can provide substantially the same degree of comfort, safety and ease as conventional patient transfer systems.

[Brief description of drawings]

FIG. 1 is an explanatory view showing a schematic configuration of a chair / bed transfer system according to an embodiment of the present invention, showing a first step of transferring a patient from a wheelchair to a bed.

FIG. 2 is an explanatory view showing a schematic configuration of a chair / bed transfer system according to an embodiment of the present invention, showing a second step of transferring a patient from a wheelchair to a bed.

FIG. 3 is an explanatory view showing a schematic configuration of a chair / bed transfer system according to an embodiment of the present invention, and shows a third step of transferring a patient from a wheelchair to a bed.

FIG. 4 is an explanatory view showing a schematic configuration of a chair / bed transfer system according to an embodiment of the present invention, showing a fourth step of transferring a patient from a wheelchair to a bed.

FIG. 5 is an explanatory view showing a schematic configuration of a chair / bed transfer system according to an embodiment of the present invention, and shows a fifth step of transferring a patient from a wheelchair to a bed.

FIG. 6 is an explanatory view showing a schematic configuration of a chair / bed transfer system according to an embodiment of the present invention, and shows a sixth step of transferring a patient from a wheelchair to a bed.

FIG. 7 is an explanatory diagram showing a schematic configuration of a chair / bed transfer system according to an embodiment of the present invention, showing a seventh step of transferring a patient from a wheelchair to a bed.

FIG. 8 is an explanatory view showing a schematic configuration of a chair / bed transfer system according to an embodiment of the present invention, and shows an eighth step of transferring a patient from a wheelchair to a bed.

FIG. 9 is a schematic view showing a lock mechanism for a movable seat and a footrest in the chair / bed transfer system according to the embodiment of the present invention.

FIG. 10 shows an embodiment of the present invention showing how a patient is transferred between a bed and a wheelchair, with the height of the bed adjusted to facilitate transfer from the bed to the wheelchair. Shows.

FIG. 11 shows an embodiment of the present invention showing how a patient is transferred between a bed and a wheelchair, with the height of the bed adjusted to facilitate transfer from the wheelchair to the bed. Shows.

FIG. 12 is a partial side view of one embodiment of the present invention showing a chair incorporating a spring device to assist in the transfer of a patient from the chair to the bed.

FIG. 13 is a schematic explanatory view showing another embodiment of the present invention, in which the height of the bed is raised during the transfer from the bed to the wheelchair and lowered during the transfer from the wheelchair to the bed. Thus, the first step of the operation of transferring with a fixed seat on a wheelchair with a movable leg is shown.

FIG. 14 is a schematic explanatory view showing another embodiment of the present invention, in which the height of the bed is raised during the transfer from the bed to the wheelchair and lowered during the transfer from the wheelchair to the bed. Thus, the second step of the operation of transferring with a fixed seat on a wheelchair with a movable leg is shown.

FIG. 15 is a schematic explanatory view showing another embodiment of the present invention, in which the bed height is raised during the transfer from the bed to the wheelchair and lowered during the transfer from the wheelchair to the bed. Thus, the 3rd process of the operation | movement which transfers with the fixed seat on a wheelchair provided with the movable leg stand is shown.

FIG. 16 is a schematic explanatory view showing another embodiment of the present invention, in which the height of the bed is raised during the transfer from the bed to the wheelchair and lowered during the transfer from the wheelchair to the bed. Thus, the 4th process of the operation | movement which transfers with the fixed seat on a wheelchair provided with the movable leg stand is shown.

FIG. 17 is a schematic explanatory view showing another embodiment of the present invention, in which the height of the bed is raised during the transfer from the bed to the wheelchair and lowered during the transfer from the wheelchair to the bed. Thus, the 5th process of transfer by a fixed seat on a wheelchair with a movable leg is shown.

FIG. 18 is a schematic explanatory view showing another embodiment of the present invention, in which the height of the bed is raised during the transfer from the bed to the wheelchair and lowered during the transfer from the wheelchair to the bed. Thus, the 6th process of the operation | movement which transfers with the fixed seat on a wheelchair provided with the movable leg stand is shown.

FIG. 19 is a schematic explanatory view showing another embodiment of the present invention, in which the height of the bed is raised during the transfer from the bed to the wheelchair and lowered during the transfer from the wheelchair to the bed. Thus, a seventh step of the operation of transferring with a fixed seat on a wheelchair with movable pedestals is shown.

FIG. 20 is a side view showing a schematic structure of a wheelchair that uses a spring to assist the transfer constructed according to the present invention.

FIG. 21 is a side view showing a schematic structure of a wheelchair that uses a spring to assist the transfer constructed according to the present invention.

FIG. 22 is a partial side view showing still another embodiment of the present invention, showing how the seat of the wheelchair is lowered when the footrest is lifted.

FIG. 23 is a side view showing still another embodiment of the present invention, showing a schematic configuration of a system including a lead line connected to a lever arm attached to a movable pedestal on a wheelchair. .

[Explanation of symbols]

 1 patient 2 bed 3 wheelchair 4 bed 5 roller 6 roller 7 transfer sheets 9 mattress 10 seat 12 leg stand 13 foot step 14 frame 17 lift member 28 lever

 ─────────────────────────────────────────────────── ─── Continued Front Page (72) Inventor Charles Chub United States, New York, Brookville, Meadwood Lane 25

Claims (24)

[Claims] 1. A patient transfer mechanism for transferring a patient between a chair and a bed: (a) a bed having a head end and a foot end; (b) a foot end of the bed. A chair having a seat and a movable pedestal, which is located in the room; and (c) attached to the pedestal and capable of lifting the pedestal to transfer a patient from the seat to the bed. Patient transfer mechanism, comprising: 2. The patient transfer mechanism of claim 1, wherein the lever is configured to be manually moved to assist during transfer from the seat to the bed. 3. The patient transfer mechanism according to claim 1, wherein the seat is movably mounted on the chair. 4. The patient transfer mechanism according to claim 3, wherein the seat is rotatably attached to the chair by a swivel shaft located below the seat. 5. The patient transfer mechanism according to claim 3, wherein the seat is connected to the pedestal so that movement of the pedestal interlocks with the seat. 6. The bed further comprises: (a) a mattress; (b) a head roller at the head end of the bed; (c) a foot roller at the foot end of the bed; d) a transfer sheet that spreads across the mattress and is wound around each of the rollers; and (e) is attached to at least one roller, and the transfer sheet is wound around the head-direction roller and the foot-direction roller. Comprising at least one roller drive mechanism that operates to unwind and assist the patient in transferring the patient from the seat to the bed.
The patient transfer mechanism according to claim 3. 7. The chair of claim 6, wherein the chair includes a spring that assists in lifting the pedestal and assists in transferring a patient from the chair to the bed. Patient transfer mechanism. 8. The patient transfer mechanism according to claim 7, wherein the chair is a wheelchair. 9. The patient transfer mechanism according to claim 7, wherein the chair is a mobile toilet. 10. The patient transfer mechanism according to claim 8, wherein the wheelchair also serves as a mobile toilet. 11. The pedestal is connected to the transfer sheet to roll up the transfer sheet around the head roller to assist the transfer of the patient from the chair to the bed. 7. The patient transfer mechanism of claim 6, wherein the pedestal is moved accordingly. 12. A chair for transferring a patient from a chair to a transfer bed, the chair comprising: (a) a frame having a front portion and a rear portion; (b) a seat; (c) a footrest. The footrest is pivotally connected to the frame and is movable between a sitting position and a transfer position; the seat is movably attached to the frame of the chair,
The patient transfer chair, wherein the seat is connected to the footrest so that the seat interlocks with the movement of the footrest. 13. The patient transfer chair according to claim 12, wherein the chair further comprises a lever for moving the footrest and the seat. 14. The patient transfer chair of claim 13, wherein movement of the pedestal between a seated position and a transfer position causes the seat to descend and toward the rear of the frame. 15. The patient transfer chair of claim 14, wherein the seat descends toward the rear of the frame at a position where the platform is substantially higher than the seat. 16. The patient transfer chair of claim 15, wherein the seat comprises a mobile waste container. 17. A method of transferring a patient to a bed on a chair having a movable pedestal with a lever, the method comprising: (a) positioning the chair at an end of the bed; Moving a lever to lift the pedestal to transfer the patient from the chair to the bed. 18. The bed includes transfer sheets, and further comprising: (c) moving the transfer sheets to assist in transferring a patient from a seat to the bed. The method according to claim 17. 19. The chair of claim 17, wherein the chair includes a movable seat, and the step of moving the lever assists in moving the seat to transfer a patient from the seat to a bed. Method. 20. The chair comprises a movable seat, the bed comprises transfer sheets, and (c) moving the seat in response to movement of the lever to assist transfer. ) Moving the transfer sheet to assist the transfer.
The method described in. 21. The bed comprises transfer sheets, the transfer sheets such that movement of at least a portion of the transfer sheets causes movement of the lever.
18. Method according to claim 17, characterized in that it is connected to the lever. 22. The method of claim 18, further comprising the step of: (d) lowering the bed to assist the transfer. 23. (a) a bed having head and foot ends; (b) a chair positioned at the foot end of the bed and having a seat and a movable leg; c) a lever attached to the pedestal, the lever configured to transfer the patient from the bed to the chair when the pedestal moves from the raised position to the lowered position; A patient transfer mechanism characterized by the above. 24. A method for transferring a patient on a bed to a chair, the chair comprising a pedestal movable up and down by a lever: (a) moving the chair to an end of the bed. And (b) moving the patient so that the patient's leg rests on a raised pedestal; and (c) lowering the pedestal with the lever to move the patient from the bed to the chair. And (d) lifting the back of the patient.