Wheelchair beneficial to placement of good upper limb positions

By designing a detachable seat cushion and height adjustment components to adjust the height of the wheelchair, and sliding to adjust the distance between the dining table and the patient, the problem of the fixed and unadjustable dining table of traditional wheelchairs is solved, thus achieving a better limb position for the patient and comfort for limb rehabilitation training.

CN223944561UActive Publication Date: 2026-02-27HAINAN PROVINCIAL GERIATRIC HOSPITAL
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Patent Information

Application Number
CN202520402734.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-10
Publication Date
2026-02-27
Estimated Expiration
2035-03-10

AI Technical Summary

Technical Problem

Traditional wheelchairs have a fixed mounting position for the tray, which cannot be adjusted according to the patient's physique, making it difficult for the patient to perform limb rehabilitation training with proper upper limb positioning more comfortably.

Method used

A wheelchair was designed, comprising a seat frame, a detachable seat cushion, a height adjustment component, a sliding adjustment component, and a hand restraint. The seat cushion height can be adjusted by the detachable seat cushion and the height adjustment component, the distance between the table and the patient can be adjusted by sliding, and the hand restraint can fix the patient's arm, thus achieving a fit between the patient and the table and promoting proper limb positioning.

Benefits of technology

It improved the fit between the patient and the dining table, promoted proper positioning of the patient's arms, and enhanced the comfort and effectiveness of limb rehabilitation training.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223944561U_ABST
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Abstract

The utility model relates to the technical field of medical instruments, in particular to a wheelchair favorable for placing good upper limb positions, which comprises a seat frame body, a walking wheel pair and a supporting wheel pair, the seat frame body comprises a seat frame, a backrest plate, an armrest frame, a wheel pair mounting frame and a leg supporting frame, the walking wheel pair and the supporting wheel pair are rotationally connected with the outer sides of the two ends of the wheel pair mounting frame correspondingly, a cushion is detachably mounted on the seat frame, a dining table plate is further slidably connected to the end, away from the backrest plate, of the seat frame, and hand limiting pieces are detachably mounted on the dining table plate. The two sides of the seat frame are provided with sliding adjusting assemblies used for driving the dining table plate to slide along the seat frame, and the two sides of the seat frame are further symmetrically provided with lifting adjusting assemblies used for adjusting the height of the seat cushion, so that the problems that the dining table plate of a traditional wheelchair is fixed in installation position and cannot be installed and adjusted according to the physique of a patient; the patient can not conveniently and comfortably carry out the limb rehabilitation training of placing the good limb position of the upper limb.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical devices, and specifically discloses a wheelchair facilitating upper limb good limb position placement. BACKGROUND

[0002] Hemiplegia is the most common sequelae of stroke patients, and patients still have limb dysfunction after treatment, so each patient cannot avoid early bed rest. However, incorrect lying posture can induce aggravated spasm, causing joint contracture and leading to aggravated patient dysfunction, so early good limb position placement for hemiplegic patients can improve limb function loss. Among them, good limb position is a body position or posture in which the limb is passively placed in order to maintain good function, and is a temporary body position taken from the perspective of treatment and care, which can relatively stabilize the joints relaxed after limb paralysis and effectively prevent and reduce muscle spasm.

[0003] For wheelchair sitting position, the good limb position placement posture is that the patient is placed in the center of the wheelchair, the back is tightly attached to the backrest and kept straight, the patient's upper limbs are stretched forward and naturally flexed on the installed dining table plate of the wheelchair, the patient's knees are bent 90 degrees, and the feet are flat on the ground to form a foot stool. However, the installation height of the existing dining table plate installed on the wheelchair is fixed, and cannot be adjusted according to patients of different heights and different upper limb lengths, so it is not convenient for patients to more comfortably perform upper limb good limb position placement for limb rehabilitation training, therefore, the inventor provides a wheelchair facilitating upper limb good limb position placement in order to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at solving the problem that the installation position of the dining table plate of the traditional wheelchair is fixed, and cannot be adjusted according to the body size of the patient, which is inconvenient for the patient to more comfortably perform upper limb good limb position placement for limb rehabilitation training.

[0005] In order to achieve the above object, the basic scheme of the utility model provides a wheelchair which is beneficial to upper limb good position placing, including seat frame body, walking wheel pair which is rotatably connected on both sides of seat frame body and support wheel pair which is rotatably connected on both sides of seat frame body and is located in the front end of walking wheel pair, the seat frame body includes the seat frame which can be used for patient to sit down, the backrest plate which can be used for patient to lean, the armrest frame which is arranged on both sides of seat frame, the wheel pair mounting frame which is symmetrically arranged on the bottom plate of seat frame and the leg support frame which is arranged on the end of seat frame far from backrest plate and is used for placing and supporting the leg of patient, walking wheel pair and support wheel pair are rotatably connected with both ends of the outer side of wheel pair mounting frame respectively, the seat cushion is detachably installed on seat frame, the dining table plate which is located above leg support frame is also slidably connected on the end of seat frame far from backrest plate, the hand limiting piece which is used for limiting and fixing the double arms of patient respectively is detachably installed on dining table plate, the sliding adjustment assembly which is used for driving dining table plate to make sliding movement along seat frame is arranged on both sides of seat frame, the lifting adjustment assembly which is used for adjusting the height of seat cushion is also symmetrically arranged on both sides of seat frame.

[0006] The principle and effect of the basic scheme are:

[0007] 1、Compared with the prior art, the utility model discloses seat frame body, walking wheel pair, seat cushion, armrest frame and dining table plate etc., and the wheelchair for patient is formed, through setting up detachable seat cushion, it is convenient for the replacement of the seat cushion of adaptation according to the body condition of patient, and through setting up lifting adjustment assembly, it is convenient for the height of seat cushion is adjusted, and then the height difference between seat cushion and dining table plate is adjusted, so that the adaptation of patient's body shape and dining table plate is better, and the good position of the arms of patient is placed, through setting up dining table plate of sliding adjustment, the adjustment of the lateral spacing between dining table plate and patient is realized, and then the adaptation of patient's body shape and dining table plate is better, and it is further beneficial to the good position of the arms of patient, the dining table plate installation position of traditional wheelchair is fixed, and cannot be installed and adjusted according to the body of patient, so as to conveniently carry out the upper limb good position placing of patient more comfortably.

[0008] Further, the lifting adjustment assembly includes the lifting sliding groove that is symmetrically opened in the bottom of both inner sides of seat frame, the electric lifting rod that is arranged in each lifting sliding groove, the sliding rod that is connected between the top of electric lifting rod and each end of seat cushion respectively and the controller that is used for driving electric lifting rod to lift, and the opening side wall of lifting sliding groove is slidably connected with sliding rod. Through setting up electric lifting rod and sliding rod, seat cushion is driven to lift and adjust, so as to realize the overall height adjustment of patient on seat cushion, through setting up lifting sliding groove, the lifting adjustment of sliding rod and seat cushion is guided and limited, and the overall structure is more stable in the adjustment process.

[0009] Further, the slide adjusting assembly comprises a fixing frame symmetrically and detachably mounted on the outer side of the armrest frame, a connecting slide plate for placing the dining table plate and slidably connected with the fixing frame at two ends respectively, and a first electric telescopic rod horizontally arranged at one end of the fixing frame away from the dining table plate and used for driving the connecting slide plate to slide along the fixing frame, and the bottom of the dining table plate is detachably connected with the connecting slide plate, and the first electric telescopic rod is electrically connected with the controller. By arranging the fixing frame and the connecting slide plate, the installation of the dining table plate is facilitated, and by arranging the first electric telescopic rod, the slide movement of the dining table plate is realized, and the distance between the dining table plate and the patient is adjusted, so that the patient's arm placement position is adjusted to a good limb position, and by arranging the clamping between the dining table plate and the connecting slide plate, the dining table plate is detachably connected with the wheelchair, and the dining table plate is prevented from being placed on the wheelchair for a long time to affect the patient's limb movement.

[0010] Further, the hand limiting member comprises an arm fixing frame symmetrically arranged on the dining table plate and used for accommodating the patient's arm, and a protective cotton layer arranged on the inner side of the arm fixing frame. By arranging the arm fixing frame, the patient's arm is limited, so that the patient's upper limb is placed in a good limb position, and by arranging the protective cotton layer, the patient's arm is protected, and the hard surface structure of the arm fixing frame for supporting the arm is avoided to cause the patient's arm to feel uncomfortable.

[0011] Further, a plurality of clamping grooves are uniformly arranged on the connecting slide plate, and a plurality of clamping blocks detachably clamped and mounted with the clamping grooves are symmetrically arranged at the two ends of the bottom side of the dining table plate. By arranging the clamping grooves and the clamping blocks, the installation of the dining table plate and the connecting slide plate is more convenient and fast.

[0012] Further, the leg supporting frame comprises mounting support rods symmetrically and fixedly connected with the two sides of the front end of the seat frame, and a foot plate used for placing and supporting the patient's feet and slidably connected with the mounting support rods. A foot plate adjusting mechanism for driving the foot plate to slide along the mounting support rod is arranged between the foot plate and the mounting support rod. By arranging the mounting support rods and the foot plate, the patient's feet are supported, and by arranging the foot plate adjusting mechanism, the position of the foot plate is adjusted according to the patient's leg length, so that the structure is more practical.

[0013] Further, the foot plate adjusting mechanism comprises a foot plate adjusting seat detachably connected with the mounting support rod, and a second electric telescopic rod arranged between the foot plate adjusting seat and one end of the foot plate, and the second electric telescopic rod is electrically connected with the controller. By arranging the foot plate adjusting seat and the second electric telescopic rod, the distance between the foot plate and the seat cushion is adjusted more quickly and conveniently. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments description. Obviously, the drawings in the following description only some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without any creative effort.

[0015] Figure 1 The structure of a wheelchair for facilitating upper limb good limb position is shown.

[0016] Figure 2 The structure of a wheelchair for facilitating upper limb good limb position is shown. DETAILED DESCRIPTION

[0017] In order to further illustrate the technical means and effects adopted by the present application to achieve the predetermined utility model purposes, the following will combine the drawings and the preferred embodiments to specifically describe the specific embodiments, structures, features and effects of the present application.

[0018] The reference signs in the drawings of the specification include: walking wheel pair 1, support wheel pair 2, seat frame 3, backrest plate 4, armrest frame 5, wheel pair mounting frame 6, leg support frame 7, seat cushion 8, dining table plate 9, lifting sliding groove 10, electric lifting rod 11, sliding rod 12, fixing frame 13, connecting sliding plate 14, first electric telescopic rod 15, arm fixing frame 16, protective cotton layer 17, clamping groove 18, clamping block 19, mounting support 20, foot pedal 21, pedal adjusting seat 22, second electric telescopic rod 23.

[0019] A wheelchair for facilitating upper limb good limb position is shown. Figure 1 As shown: including seat frame, rotatingly connected on both sides of the seat frame walking wheel pair 1 and rotatingly connected on both sides of the seat frame and located in the front end of the walking wheel pair 1 support wheel pair 2, the seat frame includes a seat for patients to sit down seat frame 3, the patient can rely on the backrest plate 4, the armrest frame 5 is provided on both sides of the seat frame 3, the wheel pair mounting frame 6 is symmetrically provided on the bottom plate of the seat frame 3 and the leg support frame 7 is provided on the end of the seat frame 3 away from the backrest plate 4 and used for placing and supporting the patient's legs, the walking wheel pair 1 and the support wheel pair 2 are respectively rotatably connected with the outer sides of both ends of the wheel pair mounting frame 6, as Figure 1 and Figure 2 As shown, the seat frame 3 is detachably mounted with a seat cushion 8, and the end of the seat frame 3 away from the backrest plate 4 is also slidingly connected with a dining table plate 9 located above the leg support frame 7, the dining table plate 9 is detachably mounted with a hand limiting member for limiting and fixing the patient's arms respectively, the two sides of the seat frame 3 are provided with a sliding adjusting assembly for driving the dining table plate 9 to slide along the seat frame 3, and the two sides of the seat frame 3 are also symmetrically provided with a lifting adjusting assembly for adjusting the height of the seat cushion 8.

[0020] As shown in Figure 1 and Figure 2 , the lifting adjusting assembly comprises two lifting grooves 10 symmetrically opened at the two ends of the bottom of the seat frame 3, four electric lifting rods 11 respectively arranged in each lifting groove 10, a sliding rod 12 respectively connected between the top end of each electric lifting rod 11 and the end of the seat cushion 8, and a controller for driving the electric lifting rod 11 to lift, the controller includes but is not limited to a PLC controller, and the sliding rod 12 is slidingly connected with the opening side wall of the lifting groove 10.

[0021] As shown in Figure 1 and Figure 2 , the sliding adjusting assembly comprises a fixed frame 13 symmetrically and detachably mounted at the outer side of the armrest frame 5, a connecting sliding plate 14 for placing the dining table plate 9 and slidingly connected with the fixed frame 13 at both ends, and a first electric telescopic rod 15 horizontally arranged at one end of the fixed frame 13 away from the dining table plate 9 and used for driving the connecting sliding plate 14 to slide horizontally along the fixed frame 13, the bottom of the dining table plate 9 is detachably connected with the connecting sliding plate 14, and the first electric telescopic rod 15 is electrically connected with the controller.

[0022] As shown in Figure 1 and Figure 2 , the hand limiting member comprises an arm fixing frame 16 symmetrically arranged on the dining table plate 9 and used for accommodating the patient's arm, and a protective cotton layer 17 arranged on the inner side of the arm fixing frame 16.

[0023] As shown in Figure 1 and Figure 2 , three clamping grooves 18 are uniformly arranged on the connecting sliding plate 14, and six clamping blocks 19 are symmetrically arranged at the two ends of the bottom side of the dining table plate 9 and detachably connected with the clamping grooves 18.

[0024] As shown in Figure 1 and Figure 2 , the leg support frame 7 comprises mounting support rods 20 symmetrically and fixedly connected with the front ends of the two sides of the seat frame 3, and a foot plate 21 slidingly connected with the mounting support rod 20 and used for placing and supporting the patient's feet, and a pedal adjusting mechanism is arranged between the foot plate 21 and the mounting support rod 20 for driving the foot plate 21 to slide along the mounting support rod 20.

[0025] As shown in Figure 1 and Figure 2 , the pedal adjusting mechanism comprises a pedal adjusting seat 22 detachably connected with the mounting support rod 20 and a second electric telescopic rod 23 arranged between the pedal adjusting seat 22 and one end of the foot plate 21, and the second electric telescopic rod 23 is electrically connected with the controller.

[0026] In the specific implementation process of the utility model, before the patient uses the wheelchair and sits on the cushion 8, first of all, the controller controls the electric lifting rod 11 to descend to the lowest position, namely the cushion 8 is placed in close contact with the seat frame 3, then the controller controls the first electric telescopic rod 15 to extend to the maximum, the clamping block 19 of the dining table plate 9 is taken out from the clamping groove 18 of the connecting sliding plate 14, and the dining table plate 9 is taken off from both sides of the seat frame 3, then the patient is placed on the cushion 8, and the structure of the wheelchair is adjusted according to the body type of the patient. When the structure of the wheelchair is adjusted, first of all, the patient's back is placed against the backrest plate 4, then the controller controls the electric lifting rod 11 to adjust the lifting to the highest point, then the clamping block 19 of the dining table plate 9 is installed in clamping cooperation with the clamping groove 18 on the connecting sliding plate 14, and the controller controls the first electric lifting door to shrink, and the dining table plate 9 slides to a position 8 cm away from the body of the patient, and the arms of the patient are placed in the two arm fixing frames 16 respectively, then the cushion 8 is adjusted according to the length of the upper body of the patient to adjust the lifting, until the arms are parallel to the dining table plate 9, and finally the second electric telescopic rod 23 is controlled by the controller to adjust the extension, until the feet of the patient can be placed on the footboard 21, namely the upper limbs of the patient can be placed in a good limb position state.

[0027] Compared with the prior art, the utility model discloses a seat frame body, a walking wheel pair 1, a cushion 8, a handrail frame 5 and a dining table plate 9, etc., which are composed of a wheelchair convenient for patients to use, through the detachable cushion 8, it is convenient to replace the suitable cushion 8 according to the body condition of the patient, and through the lifting adjusting assembly, the height of the cushion 8 is adjusted, and the height difference between the cushion 8 and the dining table plate 9 is adjusted, so that the adaptation of the body type of the patient and the dining table plate 9 is better, and the arms of the patient are placed in a good limb position, through the slidable dining table plate 9, the lateral spacing between the dining table plate 9 and the patient is adjusted, so that the adaptation of the body type of the patient and the dining table plate 9 is better, and it is further beneficial to the placement of the arms of the patient in a good limb position, the installation position of the dining table plate of the traditional wheelchair is fixed, and the installation adjustment cannot be carried out according to the body size of the patient, so that the patient is not convenient for the upper limb limb position placement of the limb rehabilitation training.

[0028] The above is only the preferred embodiment of the utility model, and does not limit the utility model in any form, although the utility model has disclosed the above-mentioned preferred embodiment, however, it is not used to limit the utility model, any person skilled in the art can make slight changes or modifications to the equivalent embodiments of equivalent changes within the scope of the technical scheme of the utility model, but as long as it does not deviate from the technical scheme of the utility model, any modification, equivalent change and modification of the above-mentioned embodiment according to the technical essence of the utility model, all still belong to the scope of the technical scheme of the utility model.

Claims

1. A wheelchair to facilitate good limb positioning of the upper limbs, characterized in that: The application relates to a seat frame body, a pair of walking wheels rotatably connected to the two sides of the seat frame body, and a pair of supporting wheels rotatably connected to the two sides of the seat frame body and located in front of the walking wheel pair, wherein the seat frame body comprises a seat frame for the patient to sit on, a backrest plate for the patient to lean on, armrest frames arranged on the two sides of the seat frame, wheel pair mounting frames symmetrically arranged on the bottom plate of the seat frame, and a leg support frame arranged at the end of the seat frame away from the backrest plate and used for placing and supporting the legs of the patient; the walking wheel pair and the supporting wheel pair are rotatably connected to the outer sides of the two ends of the wheel pair mounting frame respectively; a seat cushion is detachably mounted on the seat frame; a dining table plate is slidably connected to the end of the seat frame away from the backrest plate and located above the leg support frame; hand limiting members for limiting and fixing the arms of the patient are detachably mounted on the dining table plate; a sliding adjusting assembly for driving the dining table plate to slide along the seat frame is arranged on the two sides of the seat frame; and lifting adjusting assemblies for adjusting the height of the seat cushion are symmetrically arranged on the two sides of the seat frame.

2. A wheelchair to facilitate good positioning of the upper limbs according to claim 1, characterized in that, The lifting adjusting assembly comprises lifting sliding grooves symmetrically arranged on the two inner sides of the seat frame, a plurality of electric lifting rods arranged in the lifting sliding grooves respectively, sliding rods connected between the top ends of the electric lifting rods and the end portions of the seat cushion respectively, and a controller for driving the electric lifting rods to lift; and the sliding rods are slidably connected to the opening sidewalls of the lifting sliding grooves.

3. A wheelchair to facilitate good positioning of the upper limbs according to claim 2, characterized in that, The sliding adjusting assembly comprises fixed frames symmetrically and detachably mounted on the outer sides of the armrest frames, a connecting sliding plate for placing the dining table plate and slidably connected to the fixed frames at the two ends respectively, a first electric telescopic rod horizontally arranged at the end of the fixed frame away from the dining table plate and used for driving the connecting sliding plate to slide horizontally along the fixed frame, and the bottom two ends of the dining table plate are detachably connected to the connecting sliding plate; and the first electric telescopic rod is electrically connected to the controller.

4. A wheelchair to facilitate good positioning of the upper limbs according to claim 3, characterized in that, The hand limiting member comprises arm fixing frames symmetrically arranged on the dining table plate and used for accommodating the arms of the patient, and a protective cotton layer arranged on the inner sides of the arm fixing frames.

5. A wheelchair to facilitate the positioning of an upper limb in a good position according to claim 3 or 4, characterized in that, A plurality of clamping grooves are uniformly arranged on the connecting sliding plate; and a plurality of clamping blocks detachably connected to the clamping grooves are symmetrically arranged on the bottom sides of the two ends of the dining table plate.

6. The wheelchair of claim 1, wherein, The leg support frame comprises mounting support rods symmetrically and fixedly connected to the two sides of the front end of the seat frame, and a foot plate slidably connected to the mounting support rods and used for placing and supporting the feet of the patient; and a foot plate adjusting mechanism for driving the foot plate to slide along the mounting support rods is arranged between the foot plate and the mounting support rods.

7. A wheelchair to facilitate good positioning of the upper limbs according to claim 6, characterized in that, The foot plate adjusting mechanism comprises a foot plate adjusting seat detachably connected to the mounting support rods, and a second electric telescopic rod arranged between the foot plate adjusting seat and one end of the foot plate; and the second electric telescopic rod is electrically connected to the controller.