CN221845283U

CN221845283U - Rehabilitation vehicle after retina operation

Info

Publication number: CN221845283U
Application number: CN202323153020.6U
Authority: CN
Inventors: 赵丹阳
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-11-22
Filing date: 2023-11-22
Publication date: 2024-10-18
Anticipated expiration: 2033-11-22

Abstract

The utility model discloses a retina postoperative rehabilitation vehicle, which comprises: the seat cushion comprises an underframe, a vertical frame and a seat cushion frame, wherein the underframe is of a [ -shaped framework structure, foot supports are arranged in the underframe, the vertical frame is vertically arranged on the upper portion of the underframe, a table plate is horizontally arranged on the upper portion of the vertical frame, the table plate is movably connected with the vertical frame, a U-shaped headrest is movably arranged on the upper portion of the table plate, a chest support is arranged in the middle of the inner side of the vertical frame, the chest support is movably connected with the table plate through a telescopic device, the seat cushion frame is arranged on the front side of the vertical frame in a foldable mode, a plurality of directional casters and/or universal casters are symmetrically arranged on the lower portions of the underframe and the seat cushion frame, and the seat cushion frame is movably connected with the underframe through a rotary folding telescopic mechanism. The utility model has simple structure, convenient use, convenient storage and transportation, low cost, increased moving function, and the movably arranged headrest, chest support and desk plate can support the cervical vertebra of the user at maximum when walking, thereby better maintaining the physical health of the user and having higher popularization value.

Description

Rehabilitation vehicle after retina operation

Technical Field

The utility model relates to the technical field of medical rehabilitation equipment, in particular to a retina postoperative rehabilitation vehicle.

Background

Because the retina operation is usually performed by injecting silicone oil into the eyes of a patient to fill the holes in the retina, in this case, the patient needs to pay attention to his or her posture after the operation, and he or she should lie down on the ground as much as possible, so that the filled silicone oil is prevented from flowing out, and the treatment effect of the operation is affected.

At present, the auxiliary retinal postoperative rehabilitation equipment on a main field is generally a mattress in bed or a stand for keeping sitting position all the time, the two types of equipment are fixed, the equipment is used for assisting the rehabilitation of postoperative personnel to a certain extent, but the posture is single, and the common retinal surgery personnel are older, are not beneficial to rehabilitation when inactive, are easy to get thrombus, can walk and always lower the head, so that the cervical spondylosis is easy to get. There is also multi-functional rehabilitation car in the existing market, but the structure is complicated, and the operation is inconvenient, and the cost is higher, is not suitable for the rehabilitation of retina postoperative.

The utility model provides a stand integrative retina postoperative rehabilitation car of walking has been designed to above problem, has overcome the defect of current retina postoperative rehabilitation equipment, combines current rehabilitation car and retina postoperative patient's actual conditions and rehabilitation demand, has structurally optimized the improvement, has increased the removal function, has set up headrest, chest support, table, transparent plate in particular, when walking vertically, can make the user obtain the biggest support at the time of walking cervical vertebra, maintains user's healthy.

Disclosure of utility model

The utility model aims to solve the technical problem of providing the retina postoperative rehabilitation vehicle which is simple in structure, convenient to use, convenient to process and assemble, low in cost, safe and reliable, and is used for storage. In order to solve the technical problems, the technical scheme of the utility model is as follows:

A retinal postoperative rehabilitation vehicle comprising: the novel seat cushion comprises a bottom frame, a vertical frame and a seat cushion frame, wherein the bottom frame is horizontally arranged, the bottom frame is of a [ -shaped framework structure, a foot support is arranged in the bottom frame, the vertical frame is vertically arranged on the upper portion of the bottom frame, a table plate is horizontally arranged on the upper portion of the vertical frame, a transparent plate is embedded in the middle of the table plate, the table plate is movably connected with the vertical frame, a U-shaped headrest is movably arranged on the upper portion of the table plate, a chest support is arranged in the middle of the inner side of the vertical frame, the chest support is movably connected with the table plate through a telescopic device, the seat cushion frame is arranged on the front side of the vertical frame in a foldable mode, a plurality of directional casters and/or universal casters are symmetrically arranged on the lower portions of the bottom frame and the seat cushion frame respectively, and the bottom frame are movably connected through a rotary folding telescopic mechanism.

In the structure, the two vertical frames are of telescopic frame structures, the two vertical frames are symmetrically arranged, the two vertical frames are provided with first locking knobs, the lower ends of the two vertical frames are fixedly connected with the bottom frame respectively, and the two vertical frames are movably connected with the table plate through pneumatic lifting adjusting devices which are correspondingly arranged at the upper ends of the two vertical frames respectively.

In the structure, the two foot supports are symmetrically arranged, the two foot supports are respectively fixedly connected with the bottom frame, the two foot supports are provided with connecting devices in the middle, one end of the rotary folding telescopic mechanism is movably connected with the bottom frame through the connecting devices, and the connecting devices comprise a first connecting plate, a pin shaft, a limiting plate arranged on the lower portion of the first connecting plate and a first positioning spring pin movably arranged on the upper portion of the first connecting plate.

In the above-mentioned structure, the middle part of table is equipped with U-shaped breach and two circular through-holes, the embedding of U-shaped breach the lateral surface of table sets up, two be equipped with first fixing base in the circular through-hole respectively, transparent plate embedding sets up in the U-shaped breach, the top surface of transparent plate with the top surface of table flushes the setting, the lower part of table is equipped with the fixed plate, the lower part symmetry of fixed plate is equipped with the second fixing base, be equipped with the second locking knob on the second fixing base.

In the above structure, the lower part of the U-shaped headrest is provided with two lifting rods, the two lifting rods are vertically arranged at the lower part of the U-shaped headrest, the top ends of the two lifting rods are respectively connected with the two end parts of the U-shaped headrest, and the two lifting rods are respectively movably connected with the two first fixing seats.

In the above structure, the chest support comprises a chest supporting plate and a U-shaped connecting rod, wherein the U-shaped connecting rod is movably arranged in the middle of the chest supporting plate, the U-shaped connecting rod is horizontally arranged, the U-shaped connecting rod is matched with the second fixing seat, and the U-shaped connecting rod is movably connected with the second fixing seat.

In the above structure, the cushion frame comprises a support, a cushion fixing frame, a cushion and a backrest, wherein the support is vertically arranged, a second connecting plate is horizontally arranged at the bottom of the support, the second connecting plate is symmetrically arranged at the bottom of the support and is movably connected with the universal casters, the cushion fixing frame is horizontally arranged on the support, the backrest is movably arranged on the cushion fixing frame, second positioning spring pins are correspondingly arranged at two sides of the cushion fixing frame, and the backrest and the cushion fixing frame are correspondingly provided with second positioning spring pins through two sides.

In the above structure, the rotary folding telescopic mechanism comprises a first connecting rod, a second connecting rod, a third connecting rod, a crank connecting rod and a support, wherein the first connecting rod and the third connecting rod are respectively and movably arranged at two ends of the second connecting rod, a limiting block and a third locking knob are movably arranged at the upper part of the third connecting rod, one end of the crank connecting rod is movably connected with the lower part of the support through a rotating shaft arranged at the lower part of the support, the third connecting rod and the crank connecting rod are respectively connected with the support and a connecting piece arranged on the second connecting rod to form a four-connecting-rod folding mechanism, and the third connecting rod is connected with a hinge shaft of the support.

In the structure, the slide way of the second connecting rod is arranged in the first connecting rod, the second connecting rod is in sliding connection with the first connecting rod through the slide way, a fourth locking knob is arranged on the upper portion of the first connecting rod, and the second connecting rod and the first connecting rod can be locked and limited through the fourth locking knob.

In the structure, a plurality of universal casters are provided with brake devices.

The utility model has the beneficial effects that:

The utility model increases the moving function, especially the headrest, the chest support and the desk plate when walking vertically, and supports the cervical vertebra of the user to the maximum extent when walking, thereby maintaining the health of the user. The utility model has simple structure, convenient use, convenient processing and assembly, low cost, safety and reliability, and is convenient to use, store and transport.

Drawings

FIG. 1 is a front view of an embodiment of the present utility model of a retinal postoperative rehabilitation vehicle;

FIG. 2 is a side view of an embodiment of the present utility model of a retinal postoperative rehabilitation vehicle;

FIG. 3 is a schematic view of the operation state of the embodiment of the rehabilitation vehicle after retinal surgery according to the present utility model;

Fig. 4 is a schematic structural view of a storage state of the rehabilitation cart according to the embodiment of the utility model.

In the figure, 1-underframe, 2-vertical frame, 3-cushion frame, 4-foot rest, 5-directional caster, 6-desk plate, 7-U-shaped headrest, 8-chest rest, 9-universal caster, 10-first locking knob, 11-pneumatic lifting adjusting device, 12-first positioning spring pin, 13-first fixing seat, 14-transparent plate, 15-second fixing seat, 16-second locking knob, 17-lifting rod, 18-U-shaped connecting rod, 19-first connecting rod, 20-second connecting rod, 21-third connecting rod, 22-crank connecting rod, 23-limiting block, 24-third locking knob, 25-fourth locking knob, 26-bracket, 27-cushion fixing frame, 28-cushion, 29-backrest, 30-second connecting plate, 31-second positioning spring pin, 32-fifth locking knob and 33-first connecting plate.

Detailed Description

The following describes the embodiments of the present utility model further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present utility model, but is not intended to limit the present utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

As shown in fig. 1-4, a retinal postoperative rehabilitation vehicle comprising: the seat cushion comprises a base frame 1, a vertical frame 2 and a seat cushion frame 3, wherein the base frame 1 is in a [ -shaped framework structure, a foot support 4 is arranged in the base frame 1, the vertical frame 2 is vertically arranged on the upper portion of the base frame 1, a table plate 6 is horizontally arranged on the upper portion of the vertical frame 2, a transparent plate 14 is embedded in the middle of the table plate 6, the table plate 6 is movably connected with the vertical frame 2, a U-shaped headrest 7 is movably arranged on the upper portion of the table plate 6, a chest support 8 is arranged in the middle of the inner side of the vertical frame 2, the chest support 8 is movably connected with the table plate 6 through a telescopic device, the seat cushion frame 3 is arranged on the front side of the vertical frame 2 in a folding manner, a plurality of directional casters 5 and/or universal casters 9 are symmetrically arranged on the lower portions of the base frame 1 and the seat cushion frame 3 and the base frame 1 respectively, and the seat cushion frame 1 are movably connected through a rotary folding telescopic mechanism arranged

And (5) connection.

Specifically, in this embodiment, the cushion frame 3 is adjustably disposed on the front side of the chassis 1, the cushion frame 3 is disposed corresponding to the chest support 8, and the two foot supports 4 are fixedly connected with the chassis 1 respectively.

Specifically, in this embodiment, the number of the directional casters 5 is two, the two directional casters 5 are respectively disposed at the front side of the chassis, the two universal casters 9 are movably disposed at the lower portion of the rear side of the chassis, and the two universal casters 9 are movably disposed at the lower portion of the cushion frame 3 through a connection structure.

In the preferred embodiment of the utility model, the two vertical frames 2 are of telescopic frame structures, the two vertical frames 2 are symmetrically arranged, the two vertical frames 2 are provided with first locking knobs 10, the lower ends of the two vertical frames 2 are respectively and fixedly connected with the underframe 1, and the two vertical frames 2 are respectively and movably connected with the table plate 6 through pneumatic lifting adjusting devices 12 correspondingly arranged at the upper ends.

Specifically, in this embodiment, the stand 2 includes a first stand, a second stand, the first stand and the second stand are vertically arranged, the first stand and the second stand are slidably connected, the first locking knob 10 is movably arranged at the upper end of the first stand, and a plurality of limiting positions are correspondingly arranged on the second stand.

In the preferred embodiment of the utility model, two foot supports 4 are symmetrically arranged, the two foot supports 4 are respectively and fixedly connected with the underframe 1, the middle parts of the two foot supports 4 are provided with connecting devices, one end of the rotary folding telescopic mechanism is movably connected with the underframe 1 through the connecting devices, and the connecting devices comprise a first connecting plate 33, a pin shaft, a limiting plate respectively arranged at the lower part of the first connecting plate 33 and a first positioning spring pin 12 movably arranged at the upper part of the first connecting plate 33.

Specifically, in this embodiment, the foot rest 4 includes a skeleton and a horizontally disposed supporting plate, one end of the first connecting plate is welded and fixed with the chassis 1, and the first connecting plate 33 is horizontally provided with a pin hole for installing the first positioning spring pin 12 and a shaft hole for installing the rotating shaft.

In the preferred embodiment of the utility model, a U-shaped notch and two circular through holes are arranged in the middle of the outer side of the table plate 6, a first fixing seat 13 is respectively arranged in the two circular through holes, a transparent plate 14 is embedded in the U-shaped notch, the top surface of the transparent plate 14 is arranged flush with the top surface of the table plate 6, a fixing plate is arranged at the lower part of the table plate 6, second fixing seats 15 are symmetrically arranged at the lower part of the fixing plate, and second locking knobs 16 are arranged on the second fixing seats 15.

Specifically, in this embodiment, two circular through holes are correspondingly disposed at the rear side of the U-shaped notch, and the transparent plate 14 is horizontally disposed in the mounting groove of the table board 6, so that the transparent plate 14 ensures the viewing angle range when the user walks vertically.

In the preferred embodiment of the utility model, the lower part of the U-shaped headrest 7 is provided with two lifting rods 17, the two lifting rods 17 are vertically arranged at the lower part of the U-shaped headrest 7, the top ends of the two lifting rods 17 are respectively and movably connected with the two end parts of the U-shaped headrest, and the two lifting rods 17 are respectively and movably connected with the two first fixing seats 13.

Specifically, in this embodiment, the U-shaped headrest 7 is horizontally disposed on the upper portion of the table board 6, and the two lifting rods 17 pass through the corresponding two circular through holes, and the two lifting rods 17 are respectively movably connected with the fifth locking knobs 32 on the corresponding two first fixing seats 13.

In the preferred embodiment of the utility model, the chest support 8 comprises a chest support plate and a U-shaped connecting rod 18, wherein the U-shaped connecting rod 18 is movably arranged in the middle of the chest support plate, the U-shaped connecting rod 18 is horizontally arranged, the U-shaped connecting rod 18 is matched with the second fixing seat 15, and the U-shaped connecting rod 18 is movably connected with the second fixing seat 15.

Specifically, in this embodiment, the outer sleeve of the chest support plate is provided with a soft chest sleeve, the U-shaped connecting rod 18 is correspondingly provided with a connecting hole matched with the chest support plate, and the chest support plate is in bolted connection with the U-shaped connecting rod 18.

Specifically, in this embodiment, the chest support 8 is movably connected with the second fixing seat 15 through a U-shaped connecting rod, and the chest support 8 adjusts the distance through the second locking knob 16 on the second fixing seat 15.

In the preferred embodiment of the utility model, the rotary folding telescopic mechanism comprises a first connecting rod 19, a second connecting rod 20, a third connecting rod 21, a crank connecting rod 22 and a bracket 26, wherein the first connecting rod 19 and the third connecting rod 21 are respectively and movably arranged at two ends of the second connecting rod 20, a limiting block 23 and a third locking knob 24 are movably arranged at the upper part of the third connecting rod 21, one end of the crank connecting rod 22 is movably connected with the lower part of the bracket 26 through a rotating shaft arranged, and the third connecting rod 21 and the crank connecting rod 22 are respectively connected with the bracket 26 and a connecting piece arranged on the second connecting rod 20 to form a four-connecting-rod folding mechanism, and the third connecting rod 21 is connected with the bracket 26 in a hinged shaft manner.

Specifically, in this embodiment, the rotary folding telescopic mechanism is horizontally disposed between the cushion frame 3 and the underframe 1, the first connecting rod 19 is slidably connected with the second connecting rod 20, the connecting ends of the first connecting rod 19 and the second connecting rod 20 and the connecting ends of the second connecting rod 20 and the third connecting rod 21 are respectively provided with a rotating device, and the third connecting rod 21 and the second connecting rod 20 are adjusted and limited by the third locking knob 24.

In the preferred embodiment of the present utility model, a slide way of the second connecting rod 20 is arranged inside the first connecting rod 19, the second connecting rod 20 is slidably connected with the first connecting rod 19 through the slide way, a fourth locking knob 25 is arranged at the upper part of the first connecting rod 19, and the second connecting rod 20 and the first connecting rod 19 can be locked and limited through the fourth locking knob 25.

Specifically, in the present embodiment, the second link 20 and the first link 19 may pass through the fourth locking knob 25, and the first link 19 and the second link 20 may adjust the distance between the cushion frame 3 and the bottom frame 1 through the fourth locking knob 25.

In the preferred embodiment of the utility model, the cushion frame 3 comprises a bracket 26, a cushion fixing frame 27, a cushion 28 and a backrest 29, wherein the bracket 26 is vertically arranged, a second connecting plate 30 is horizontally arranged at the bottom of the bracket 26, the second connecting plate 30 is movably connected with universal casters symmetrically arranged at the bottom, the cushion fixing frame 27 is horizontally arranged on the bracket 26, the backrest 29 is movably arranged on the cushion fixing frame 27, second positioning elastic pins 31 are correspondingly arranged at two sides of the backrest 29 and the cushion fixing frame 27, and the backrest 29 is movably connected with the cushion fixing frame 27 through the second positioning elastic pins 31 correspondingly arranged at two sides.

Specifically, in this embodiment, the cushion fixing frame and the second connecting plate 30 are respectively disposed at the upper portion and the lower portion of the bracket 26, and the cushion fixing frame and the second connecting plate 30 are respectively disposed at the bracket 26 and welded together.

Specifically, in this embodiment, two second positioning spring pins 31 are provided, the two second positioning spring pins 31 are movably connected with the back 29 and the cushion fixing frame 27, and the third connecting rod 21 is hinged with the bracket 26.

In the preferred embodiment of the present utility model, the plurality of directional casters 5 and the universal casters 9 are provided with brake devices.

Specifically, in this embodiment, in the sitting state, the brake of the castor 5 is depressed, the vehicle body is fixed, the knob is unscrewed, the second link 20 is slid, the adjustment is adjusted to a proper posture, and the fourth locking knob 25 is locked in rotation.

Specifically, in this embodiment, the two uprights 2 are provided with the first locking knob 10, and the gas spring switch is pinched to unscrew the first locking knob 10, pinch the gas spring switch, lift the upright 2, adjust the use height, screw the first locking knob 10 after adjusting in place, so that the stability of the desktop can be ensured, and the gas spring switch can be prevented from being touched by mistake. Loosening the second locking knob 16 can adjust the front and rear positions of the chest support 8; unscrewing the fifth locking knob 32 allows adjustment of the horizontal height of the U-shaped headrest 7; the brake of the universal castor 9 with brake is unlocked, the attendant can hold the backrest by hand to push the trolley to move, and the user can also slide by himself/herself with two feet. The chest support 8 is movably connected with a second fixing seat 15 through a U-shaped connecting rod, and a second locking knob 16 is arranged on the second fixing seat 15. Adjusting the walking state, pulling the second positioning spring pin 31, rotating the backrest 29 to allow it to naturally droop; unscrewing the fourth locking knob 25, sliding the second link 20, adjusting to the shortest position, and screwing the fourth locking knob 25; unscrewing the third locking knob 24, sliding the limiting block 23, holding the knob, lifting upwards, rotating and folding the first connecting rod 19, the second connecting rod 20 and the third connecting rod 21, and locking by the first positioning spring pin 12; the first locking knob 10 is unscrewed, the gas spring switch is pinched, the gas spring valve core is opened, the vertical rod 2 can be lifted, the use height is adjusted, the gas spring switch is loosened after the adjustment is in place, the first locking knob 10 is screwed, the stability of a tabletop can be ensured, and the gas spring switch can be prevented from being touched by mistake; loosening and rotating the second locking knob 16 can adjust the front and rear positions of the chest support 8; the chest support 8 is adjusted in distance through a second locking knob 16 on a second fixing seat 15, and the height of the U-shaped headrest 7 can be adjusted by unscrewing and unscrewing a fifth locking knob 32; after the components are adjusted to a reasonable state of a user, the user can walk under the vertical state, a transparent plate 14 made of transparent organic glass is inlaid in the table plate 6, so that the eyes of the user during the vertical walking are ensured, the second connecting rod 20 and the first connecting rod 19 can be adjusted and limited through a fourth locking knob 25, the third connecting rod 21 and the second connecting rod 20 are adjusted to be in a storage state through a third locking knob 24, a second positioning spring pin 31 is pulled, and the backrest 29 is rotated to naturally droop; unscrewing the fourth locking knob 25, sliding the second link 20, adjusting to the shortest position, and screwing the fourth locking knob 25; unscrewing the third locking knob 24, sliding the limiting block 23, holding the third locking knob 24 to lift upwards, rotating and folding the first connecting rod 19, the second connecting rod 20 and the third connecting rod 21, and locking by using the second positioning spring pin 31; unscrewing the first locking knob 10, pinching the gas spring switch, opening the gas spring valve core, lowering the upright rod to the lowest position, screwing the first locking knob 10, and preventing the gas spring switch from being touched by mistake.

The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, and yet fall within the scope of the utility model.

Claims

1. A retinal postoperative rehabilitation vehicle comprising: the seat cushion comprises a bottom frame, a vertical frame and a seat cushion frame and is characterized in that the bottom frame is horizontally arranged, the bottom frame is of a [ -shaped framework structure, foot supports are arranged in the bottom frame, the vertical frame is vertically arranged on the upper portion of the bottom frame, a table plate is horizontally arranged on the upper portion of the vertical frame, a transparent plate is embedded in the middle of the table plate, the table plate is movably connected with the vertical frame, a U-shaped headrest is movably arranged on the upper portion of the table plate, a chest support is arranged in the middle of the inner side of the vertical frame, the chest support is movably connected with the table plate through a telescopic device, the seat cushion frame is arranged on the front side of the vertical frame in a foldable mode, a plurality of directional casters and/or universal casters are symmetrically arranged on the bottom frame and the lower portion of the seat cushion frame respectively, and the bottom frame are movably connected through a rotary folding telescopic mechanism.

2. The rehabilitation vehicle after retina operation according to claim 1, wherein the number of the vertical frames is two, the two vertical frames are of telescopic frame structures, the two vertical frames are symmetrically arranged, the two vertical frames are provided with first locking knobs, the lower ends of the two vertical frames are fixedly connected with the underframe respectively, and the two vertical frames are movably connected with the table plate through pneumatic lifting adjusting devices correspondingly arranged at the upper ends of the two vertical frames respectively.

3. The rehabilitation vehicle after retina operation according to claim 2, wherein the number of the foot supports is two, the two foot supports are symmetrically arranged, the two foot supports are fixedly connected with the bottom frame respectively, the middle parts of the two foot supports are provided with connecting devices, one end of the rotary folding telescopic mechanism is movably connected with the bottom frame through the connecting devices, and the connecting devices comprise a first connecting plate, a pin shaft, a limiting plate and a first positioning spring pin, wherein the limiting plate is respectively arranged at the lower part of the first connecting plate, and the first positioning spring pin is movably arranged at the upper part of the first connecting plate.

4. The rehabilitation cart for retina operation according to claim 2, wherein a U-shaped notch and two circular through holes are arranged in the middle of the table plate, the U-shaped notch is embedded into the outer side surface of the table plate, first fixing seats are respectively arranged in the two circular through holes, the transparent plate is embedded into the U-shaped notch, the top surface of the transparent plate is flush with the top surface of the table plate, a fixing plate is arranged at the lower part of the table plate, second fixing seats are symmetrically arranged at the lower part of the fixing plate, and second locking knobs are arranged on the second fixing seats.

5. The rehabilitation vehicle after retina operation according to claim 4, wherein lifting rods are arranged at the lower part of the U-shaped headrest, the two lifting rods are vertically arranged at the lower part of the U-shaped headrest, the top ends of the two lifting rods are respectively connected with the two end parts of the U-shaped headrest, and the two lifting rods are respectively and movably connected with the two first fixing seats.

6. The rehabilitation cart according to claim 4, wherein the chest support comprises a chest support plate and a U-shaped connecting rod, the U-shaped connecting rod is movably arranged in the middle of the chest support plate, the U-shaped connecting rod is horizontally arranged and is matched with the second fixing seat, and the U-shaped connecting rod is movably connected with the second fixing seat.

7. The rehabilitation vehicle for retina operation according to claim 2, wherein the cushion frame comprises a bracket, a cushion fixing frame, a cushion and a backrest, the bracket is vertically arranged, a second connecting plate is horizontally arranged at the bottom of the bracket, the second connecting plate is movably connected with the universal casters symmetrically arranged at the bottom, the cushion fixing frame is horizontally arranged on the bracket, the backrest is movably arranged on the cushion fixing frame, second positioning elastic pins are correspondingly arranged on two sides of the backrest and the cushion fixing frame, and the backrest is correspondingly provided with second positioning elastic pins through two sides of the cushion fixing frame.

8. The rehabilitation cart according to claim 7, wherein the rotary folding telescopic mechanism comprises a first connecting rod, a second connecting rod, a third connecting rod, a crank connecting rod and a support, the first connecting rod and the third connecting rod are respectively movably arranged at two ends of the second connecting rod, a limiting block and a third locking knob are movably arranged at the upper part of the third connecting rod, one end of the crank connecting rod is movably connected with the lower part of the support through a rotating shaft, the third connecting rod and the crank connecting rod are respectively connected with the support and a connecting piece arranged on the second connecting rod to form a four-connecting-rod folding mechanism, and the third connecting rod is connected with a hinge shaft of the support.

9. The post-retinal surgical rehabilitation vehicle according to claim 8, wherein a slide way of the second connecting rod is arranged in the first connecting rod, the second connecting rod is slidably connected with the first connecting rod through the slide way, a fourth locking knob is arranged on the upper portion of the first connecting rod, and the second connecting rod and the first connecting rod can be locked and limited through the fourth locking knob.

10. The post-retinal surgical rehabilitation vehicle of claim 1, wherein a plurality of the casters are each provided with a brake device.