CN215779231U

CN215779231U - Patient shifts mechanism

Info

Publication number: CN215779231U
Application number: CN202121989267.XU
Authority: CN
Inventors: 李桂芳; 蒋徳才; 林尚雷
Original assignee: Foshan Hongxin Zhichuang Technology Co ltd
Current assignee: Foshan Hongxin Zhichuang Technology Co ltd
Priority date: 2021-04-10
Filing date: 2021-08-19
Publication date: 2022-02-11
Anticipated expiration: 2031-08-19
Also published as: CN216394492U; CN215779300U; CN113679539A

Abstract

A patient transfer mechanism comprises a portal frame, wherein a sliding transfer unit capable of performing reciprocating translational motion between two beds is slidably mounted on the portal frame, two groups of multi-link mechanisms are connected to the sliding transfer unit in a swinging mode, a human body bearing unit is fixedly connected between swinging ends of the multi-link mechanisms, a synchronous winch component is mounted on the sliding transfer unit and connected with the swinging ends of the multi-link mechanisms through a flexible wire, the flexible wire is released through the work of the synchronous winch component, the human body bearing unit is enabled to move in an arc-shaped track in a translation mode, and then the swinging is cut into the back of a human body from the left side and the right side to realize bearing, and the sliding transfer unit is pushed to move to perform sliding transfer between the two beds; the realization is kept flat patient on human bearing unit, carries out translation slip transfer, whole patient lift put with the transfer process simple rapidly, can greatly reduced medical personnel carry patient's work load, can effectively avoid causing the secondary damage to patient at the transfer in-process, keeps patient's comfort level at the transfer in-process as far as possible.

Description

Patient shifts mechanism

Technical Field

The utility model relates to the field of medical equipment, in particular to a patient transfer mechanism.

Background

The patient emergency treatment process or the patient in emergency department have just done the operation, in order to carry out subsequent treatment to the patient, need shift the patient in emergency room or operating room to other treatment departments with the help of the transfer bed, but present removal sick bed is functional relatively poor, transport transfer process to the patient lacks the auxiliary action, can only carry out whole cladding to the patient through the sheet at most and carry out supplementary the transfer, even above-mentioned which kind of mode need consume the great physical power of medical personnel equally, the patient can not realize quick the transfer, and traditional transfer method, can bring the great change of patient's position in the handling, not only medical personnel intensity of labour is big, still can lead to patient to produce the secondary damage, cause patient unnecessary misery. To this end, a patient transfer mechanism is now provided to solve the above technical problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the existing problems and provides a patient transfer mechanism with a simple and reasonable structure, which mainly has the advantages that the patient is transferred in a translational sliding manner, the whole transfer process is simple and quick, and the workload of medical care personnel for carrying the patient can be greatly reduced.

The utility model provides a patient transfer mechanism, includes patient's bed and transfer bed, transfer mechanism is including installing the portal frame at two bed heads of a bed and tailstock, and slidable mounting has the slip transfer unit that can make reciprocating translation between two beds on the portal frame, and the swing is connected with two sets of many link mechanisms on the slip transfer unit, and fixedly connected with human bearing unit between the swing end of the many link mechanisms of head of a bed and tailstock, install synchronous capstan winch subassembly on the slip transfer unit, synchronous capstan winch subassembly is connected through the swing end of flexible silk with many link mechanisms, and through synchronous capstan winch subassembly work release flexible silk, make human bearing unit cut into the back realization bearing of human body from the left and right sides along the arc orbit translation lower hem, promote the slip transfer unit motion and carry out the slip transfer between two beds.

The sliding transfer unit comprises a sliding main frame and two groups of sliding bases, wherein a mounting base is arranged in the middle of the sliding main frame, the synchronous winch assembly is arranged on the upper portion of the mounting base, the two groups of sliding bases are respectively arranged on the left side and the right side of the mounting base and are connected with the sliding main frame in a sliding mode, and the fixed ends of the multi-link mechanisms are connected to the sliding bases.

The sliding main frame comprises two vertical frames which are arranged oppositely, the top ends of the vertical frames are rotatably connected with first groove wheels, the sliding transfer unit is suspended on the portal frame in a sliding mode through the first groove wheels, slide rods which are arranged up and down are connected between the two vertical frames, and the sliding base is slidably arranged between the two slide rods.

The sliding base comprises a rectangular mounting frame, every two second groove wheels which are arranged in parallel are mounted at the corner of the rectangular mounting frame, the second groove wheels are in sliding fit with the two sliding rods, and wheel shafts of the two second groove wheels in the middle are connected with the multi-link mechanism to form a fixed end.

The multi-link mechanism comprises an upper connecting rod, a lower connecting rod, a rear connecting rod and a front connecting rod which are arranged in parallel, wherein two ends of the rear connecting rod are hinged with the upper connecting rod and the lower connecting rod through a first rotating pair and a second rotating pair, two ends of the front connecting rod are hinged with the upper connecting rod and the lower connecting rod through a third rotating pair and a fourth rotating pair, and the first rotating pair and the second rotating pair are coaxially connected to a wheel shaft of two second groove wheels close to the middle.

The upper connecting rod or the lower connecting rod is provided with an extension section by leaning against one end of the mounting base, and when the human body bearing unit is swung in place downwards, the movable bolt and the extension section form limit matching.

Synchronous capstan assembly includes the capstan winch of two coiling flexibility silks, coaxial arrangement has driven gear on the capstan winch, installs between two driven gear rather than the engaged driving gear, is connected with synchronous drive shaft between the driving gear of head of a bed and tailstock, and the crank is installed to synchronous drive shaft's one end, slide and to install the middle runner of transition flexibility silk to swing end on the transfer unit.

The human body bearing unit comprises at least two bearing rods connected to the lower portion of the front connecting rod, the two bearing rods are inclined relative to each other and arranged in parallel, and bearing plates are mounted on the two bearing rods.

The bearing plate comprises a first bearing surface and a second bearing surface which have different inclination angles relative to the horizontal plane, the first bearing surface is correspondingly arranged on the bearing rod, the second bearing surface is arranged on the inner side of the bearing rod, when the first bearing surface and the second bearing surface swing up and down along the arc-shaped track, the inclination angles of the first bearing surface and the horizontal plane are unchanged, and anti-slip grains are arranged on the first bearing surface and the second bearing surface.

The portal frame comprises two supporting vertical rods which are respectively arranged on the patient bed and the transfer bed, a first cross rod and a second cross rod are connected between the top ends of the two supporting vertical rods, a first groove wheel is in sliding fit with the first cross rod and the second cross rod, and the first cross rod and the second cross rod are connected in a relative rotating mode along the horizontal plane through a hinged shaft.

The utility model has the following beneficial effects:

(1) the patient transfer mechanism is simple and reasonable in structure, the patient can be flatly placed on the human body bearing unit for translational sliding transfer, the transfer of the paralyzed patient is facilitated, the weight of the patient to be born by a caregiver or medical personnel can be effectively reduced, the work which needs two or more persons to cooperate to complete originally can be completed only by one person, the labor is saved, the whole patient lifting and transferring process is simple and rapid, the workload of the medical personnel for carrying the patient can be greatly reduced, the patient transfer mechanism has a good auxiliary carrying effect, and the transfer efficiency of the patient is greatly improved.

(2) The patient transfer mechanism can effectively avoid secondary damage to the patient in the transfer process and keep the comfort of the patient in the transfer process as much as possible.

(3) The patient transfer mechanism is used as an independent use unit, does not need to be matched with a patient bed or a transfer bed before leaving a factory, can be purchased independently, provides convenience for adding the transfer mechanism in the future of a hospital, can be adapted to most patient beds or transfer beds on the market, and is simple in structure and convenient to use and transfer between the patient beds.

Drawings

Fig. 1 is a schematic structural diagram of a transfer mechanism of the present invention.

Fig. 2 is a partial structural schematic diagram of the transfer mechanism of the present invention.

Fig. 3 is a schematic structural diagram of the sliding transfer unit of the present invention.

Fig. 4 is a schematic cross-sectional structure of the present invention.

Fig. 5 is an enlarged schematic view of the structure at D in fig. 4.

Fig. 6 is an exploded view of a gantry of the present invention.

Figure 7 is a schematic view of the lower swing path of the personal support unit of the present invention.

Detailed Description

The utility model is further illustrated with reference to the following figures and examples.

As shown in fig. 1 to 7, a patient transfer mechanism comprises a patient bed a and a transfer bed B, the transfer mechanism comprises a portal frame 1 arranged at the head and the tail of the two beds, a sliding transfer unit 2 capable of performing reciprocating translational motion between the two beds is arranged on the portal frame 1 in a sliding way, two groups of multi-link mechanisms 3 are connected on the sliding transfer unit 2 in a swinging way, a human body supporting unit 4 is fixedly connected between the swinging ends of the multi-link mechanisms 3 at the head and the tail of the bed, the sliding transfer unit 2 is provided with a synchronous winch component 5, the synchronous winch component 5 is connected with the swinging end of the multi-link mechanism 3 through a flexible wire X, the flexible wire X is released through the work of the synchronous winch component 5, so that the human body bearing unit 4 swings downwards along the arc-shaped track R and cuts into the back of the human body C from the left side and the right side to realize bearing, and the sliding transfer unit 2 is pushed to move to perform sliding transfer between two beds.

Realize keeping flat patient on human bearing unit 4, carry out translation slip transfer, conveniently shift paralysed patient, can effectively reduce the patient's that caregiver or medical personnel need bear weight, make the work that originally needs two people or more personnel's cooperation to accomplish, only need now to operate alone and can accomplish, the manpower has been saved, whole patient lift put with the transfer process simple rapidly, can greatly reduced medical personnel carry patient's work load, have fine supplementary transport effect, patient's transfer efficiency has been promoted greatly.

The flexible wire X is preferably a steel wire.

Further, the slide transfer unit 2 includes a slide main frame 6 and two sets of slide bases 7, the middle portion of the slide main frame 6 is provided with a mounting base 61, the synchronous winch assembly 5 is arranged on the upper portion of the mounting base 61, the two sets of slide bases 7 are respectively arranged on the left and right sides of the mounting base 61 and are connected with the slide main frame 6 in a sliding and translating manner, and the fixed end of the multi-link mechanism 3 is connected to the slide bases 7; two sets of sliding bases 7 can freely translate and slide, and the human body bearing units 4 are driven to move back and forth relatively through the multi-link mechanisms 3, so that the distance between the human body bearing units 4 on the left side and the right side can be adjusted, the patient transfer mechanism can adapt to different body shapes of patients, and the patient transfer mechanism can be adjusted to the most comfortable position in the transfer process.

Further, the sliding main frame 6 comprises two vertical frames 62 which are arranged oppositely, the top end of each vertical frame 62 is rotatably connected with a first groove wheel 63, the sliding transfer unit 2 is suspended on the portal frame 1 in a sliding manner through the first groove wheel 63, a slide rod 64 which is arranged up and down is connected between the two vertical frames 62, and the sliding base 7 is arranged between the two slide rods 64 in a sliding manner; when the sliding main frame 6 slides in a translation way through the first groove wheel 63, the friction force is reduced, and the noise can be reduced.

Further, the sliding base 7 includes a rectangular mounting frame 71, two second groove wheels 72 arranged in parallel are mounted at the corner of the rectangular mounting frame 71, the second groove wheels 72 are in sliding fit with the two sliding rods 64, and the wheel shafts of the two second groove wheels 72 in the middle are connected with the multi-link mechanism 3 to form a fixed end; when the sliding base 7 is adjusted and slid, the adjustment process is slid smoothly.

Further, the multi-link mechanism 3 includes an upper link 301 and a lower link 302, which are arranged in parallel, and a rear link 303 and a front link 304, two ends of the rear link 303 are hinged to the upper link 301 and the lower link 302 through a first revolute pair 31 and a second revolute pair 32, two ends of the front link 304 are hinged to the upper link 301 and the lower link 302 through a third revolute pair 33 and a fourth revolute pair 34, wherein the first revolute pair 31 and the second revolute pair 32 are coaxially connected to the wheel axles of the two second grooved wheels 72 near the middle; through the cooperation of the multiple connecting rods, the human body bearing unit 4 keeps a translational lifting state when swinging downwards along the arc-shaped track R, and the action of cutting into the back of the human body C from the outer side to the inner side from top to bottom is realized.

Further, the mounting base 61 is provided with a movable bolt 8 corresponding to the multi-link mechanism 3, and one end of the upper link 301 or the lower link 302, which is close to the mounting base 61, is provided with an extension section 305, so that when the human body support unit 4 is swung down to a proper position, the movable bolt 8 and the extension section 305 form a limit fit;

be provided with the bolt hole 611 that matches activity bolt 8 in the installation base 61, be provided with the stopper 801 that prevents that activity bolt 8 from breaking away from bolt hole 611 on the activity bolt 8, when human bearing unit 4 swings down, activity bolt 8 moves backward and retracts into in the installation base 61, make the extension section 305 of upper link 301 or lower link 302 can freely swing in the installation base 61 front side, after human bearing unit 4 swings down to the position, manual promotion activity bolt 8 moves forward and stretches out bolt hole 611, make activity bolt 8 can block extension section 305, prevent that patient from pushing human bearing unit 4 to both sides under the action of gravity and making it swing on, lead to patient to fall the bed again, cause the secondary injury.

Further, the synchronous winch assembly 5 comprises two winches 51 for winding the flexible wire X, driven gears 52 are coaxially mounted on the winches 51, a driving gear 53 meshed with the driven gears 52 is mounted between the two driven gears 52, a synchronous transmission shaft 54 is connected between the driving gears 53 of the head and the tail of the bed, a hand crank 55 is mounted at one end of the synchronous transmission shaft 54, an intermediate rotating wheel 56 for transiting the flexible wire X to the swinging end is mounted on the sliding transfer unit 2, and when the synchronous transmission unit is mounted, the other end of the flexible wire X passes through the intermediate rotating wheel 56 and then is connected to the third rotating pair 33 of the multi-link mechanism 3;

during the use, the user rotates synchronous transmission shaft 54 through hand crank 55, make driving gear 53 drive the driven gear 52 synchronous rotation of head of a bed and tailstock, then release flexible silk X in capstan winch 51, under the action of gravity of human bearing unit 4, and under the restriction of many link mechanism 3, human bearing unit 4 can descend along arc orbit R, when descending to the bottommost position, just cut into the patient back, promote the slip transfer unit 2 afterwards and make patient shift to adjacent bed top, last user rotates hand crank 55 in the opposite direction, make human bearing unit 4 rise to opposite direction along arc orbit R, leave patient's back, make patient lie flat on the bed surface of adjacent bed.

In further detail, the torso support unit 4 includes at least two support bars 401 attached to the lower portion of the front link 304, the lower portion of the front link 304 is configured in a triangular configuration such that the two support bars 401 are inclined relative to each other and parallel to each other, and the support plate 42 is attached to the two support bars 401.

The supporting plate 42 includes three parts of a head supporting plate 421, a trunk supporting plate 422 and a leg supporting plate 423 which are arranged at intervals along the height direction of the lying human body C.

Further, the supporting plate 42 includes a first supporting surface 4201 and a second supporting surface 4202 having different inclination angles with respect to the horizontal plane, the first supporting surface 4201 is correspondingly disposed on the supporting bar 401, the second supporting surface 4202 is disposed on the inner side of the supporting bar 401, and when the first supporting surface 4201 and the second supporting surface 4202 swing up and down along the arc-shaped track R, the inclination angles with the horizontal plane are not changed, so that the first supporting surface 4201 and the second supporting surface 4202 keep a state close to a flat angle, and when the supporting plate swings down, the bed surface does not collide at a large angle, which facilitates the first supporting surface 4201 and the second supporting surface 4202 to cut into the back of the human body C.

The first supporting surface 4201 and the second supporting surface 4202 are provided with anti-slip lines 4203, and the anti-slip lines 4203 can increase friction with the back of the human body C to prevent the patient from slipping off.

Further, the portal frame 1 comprises two supporting vertical rods 11 respectively arranged on the patient bed A and the transfer bed B, a first cross rod 12 and a second cross rod 13 are connected between the top ends of the two supporting vertical rods 11, the first groove wheel 63 is in sliding fit with the first cross rod 12 and the second cross rod 13, and the first cross rod 12 and the second cross rod 13 are relatively and rotatably connected along a horizontal plane through a hinge shaft 14; the two supporting upright stanchions 11 are respectively supported on the bed surfaces of the patient bed A and the transfer bed B, and can support the height of the sliding transfer unit 2, so that the human body bearing unit 4 has enough height to swing downwards.

After the patient shifts the mechanism and finishes using, need accomodate patient shift mechanism when shifting bed B, can be through folding the relative second horizontal pole 13 of first horizontal pole 12, will support to put support pole setting 11 on patient bed A and accomodate shifting bed B, reduce the space and occupy to the realization is spacing to sliding transfer unit 2, and the focus shifts to shifting bed B outside when preventing to slide transfer unit 2 outside roll-off, leads to patient shift mechanism to turn on one's side and fall.

The top ends of the supporting upright rods 11 can be integrally connected or detachably connected through revolute pairs or connecting pieces 9 and are arranged vertically; one embodiment of the connector 9 is as follows: comprises a transverse cylinder 91 and a longitudinal cylinder 92 which are integrally connected, the outer ends of the first cross bar 12 and the second cross bar 13 are nested in the transverse cylinder 91, and the top ends of the supporting uprights 11 are embedded in the longitudinal cylinder 92.

The foregoing is a preferred embodiment of the present invention, and the basic principles, principal features and advantages of the utility model are shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but various changes and modifications may be made without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. A patient transfer mechanism, comprising: the transfer mechanism has the slip transfer unit that can make reciprocating translation motion including the portal frame that sets up from beginning to end, slidable mounting on the portal frame, and the last swing of slip transfer unit is connected with two sets of many link mechanisms, the human bearing unit of fixedly connected with between many link mechanisms's the swing end, install synchronous capstan winch subassembly on the slip transfer unit, synchronous capstan winch subassembly passes through flexible silk and is connected with many link mechanisms's swing end, through synchronous capstan winch subassembly work release flexible silk, makes human bearing unit cut into the back of human body from the left and right sides along arc orbit translation lower hem and realize the bearing after, promotes the slip transfer unit motion and slides and shifts.

2. The patient transfer mechanism of claim 1, wherein: the sliding transfer unit comprises a sliding main frame and two groups of sliding bases, wherein a mounting base is arranged in the middle of the sliding main frame, the synchronous winch assembly is arranged on the upper portion of the mounting base, the two groups of sliding bases are respectively arranged on the left side and the right side of the mounting base and are connected with the sliding main frame in a sliding mode, and the fixed ends of the multi-link mechanisms are connected to the sliding bases.

3. A patient transfer mechanism according to claim 2, wherein: the sliding main frame comprises two vertical frames which are arranged oppositely, the top ends of the vertical frames are rotatably connected with first groove wheels, the sliding transfer unit is suspended on the portal frame in a sliding mode through the first groove wheels, slide rods which are arranged up and down are connected between the two vertical frames, and the sliding base is slidably arranged between the two slide rods.

4. A patient transfer mechanism according to claim 3, wherein: the sliding base comprises a rectangular mounting frame, every two second groove wheels which are arranged in parallel are mounted at the corner of the rectangular mounting frame, the second groove wheels are in sliding fit with the two sliding rods, and wheel shafts of the two second groove wheels in the middle are connected with the multi-link mechanism to form a fixed end.

5. The patient transfer mechanism of claim 4, wherein: the multi-link mechanism comprises an upper connecting rod, a lower connecting rod, a rear connecting rod and a front connecting rod which are arranged in parallel, wherein two ends of the rear connecting rod are hinged with the upper connecting rod and the lower connecting rod through a first rotating pair and a second rotating pair, two ends of the front connecting rod are hinged with the upper connecting rod and the lower connecting rod through a third rotating pair and a fourth rotating pair, and the first rotating pair and the second rotating pair are coaxially connected to a wheel shaft of two second groove wheels close to the middle.

6. The patient transfer mechanism of claim 5, wherein: the upper connecting rod or the lower connecting rod is provided with an extension section by leaning against one end of the mounting base, and when the human body bearing unit is swung in place downwards, the movable bolt and the extension section form limit matching.

7. The patient transfer mechanism of claim 1, wherein: synchronous capstan assembly includes the capstan winch of two flexible silks of convoluteing, coaxial arrangement has driven gear on the capstan winch, installs between two driven gear rather than the engaged driving gear, is connected with synchronous drive shaft between the driving gear that sets up around, and hand crank is installed to synchronous drive shaft's one end, slide and install the middle runner of transition flexible silk to swing end on the transfer unit.

8. The patient transfer mechanism of claim 5, wherein: the human body bearing unit comprises at least two bearing rods connected to the lower portion of the front connecting rod, the two bearing rods are inclined relative to each other and arranged in parallel, and bearing plates are mounted on the two bearing rods.

9. The patient transfer mechanism of claim 8, wherein: the bearing plate comprises a first bearing surface and a second bearing surface which have different inclination angles relative to the horizontal plane, the first bearing surface is correspondingly arranged on the bearing rod, the second bearing surface is arranged on the inner side of the bearing rod, when the first bearing surface and the second bearing surface swing up and down along the arc-shaped track, the inclination angles of the first bearing surface and the horizontal plane are unchanged, and anti-slip grains are arranged on the first bearing surface and the second bearing surface.

10. A patient transfer mechanism according to claim 3, wherein: the portal frame is connected with first horizontal pole and second horizontal pole including arranging two support pole settings on the loading end in between the top of two support pole settings, first recess wheel and first horizontal pole and second horizontal pole sliding fit are connected along horizontal plane relative rotation through the articulated shaft between first horizontal pole and the second horizontal pole.