Improved wheelchair armrest assist device

Abstract

The utility model belongs to the field of medical care, and relates to an improved wheelchair armrest assist device, which comprises a finger separating plate, a base plate, a mounting rack connected on a wheelchair armrest and a fixing bolt, the finger separating plate is detachably connected on the base plate, the bottom of the base plate is fixedly connected with the mounting rack, and the fixing bolt is connected on the mounting rack. The wheelchair armrest assist device solves the problem that an existing wheelchair armrest assist device cannot prevent shoulder pain caused by extroversion of wrist joints when a stroke patient sits on a wheelchair.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of medical treatment and health care relates to an improved wheelchair armrest auxiliary device. BACKGROUND

[0002] As a common complication after stroke, shoulder pain has a high incidence of 50-84%, and can appear as early as 2 weeks after stroke, and is usually manifested after 2-3 months. Shoulder pain is often caused by improper posture of the affected upper limb in the early stage of stroke, and once it occurs, it is difficult to treat, the pain can last for several months, and seriously affects the quality of life and rehabilitation effect of patients. Therefore, for patients who rely on wheelchairs for a long time, it is particularly important to prevent shoulder pain caused by wrist joint valgus.

[0003] The existing wheelchair armrest auxiliary device cannot effectively prevent the wrist joint valgus of stroke patients when sitting on the wheelchair, thereby preventing or reducing the shoulder pain caused by the weakness of the affected upper limb, shoulder joint muscle and ligament problems. Therefore, it is necessary to improve the existing wheelchair armrest auxiliary device to improve the quality of life and rehabilitation effect of patients. SUMMARY

[0004] The utility model aims at providing an improved wheelchair armrest auxiliary device, which solves the problem that the existing wheelchair armrest auxiliary device cannot prevent the wrist joint valgus of stroke patients when sitting on the wheelchair, thereby preventing or reducing the shoulder pain caused by the weakness of the affected upper limb, shoulder joint muscle and ligament problems.

[0005] The utility model adopts the technical scheme of an improved wheelchair armrest auxiliary device, which comprises a finger separating plate, a backing plate, a mounting frame connected to the wheelchair armrest, and a fixing bolt, the finger separating plate is detachably connected to the backing plate, the bottom of the backing plate is fixedly connected to the mounting frame, and the fixing bolt is connected to the mounting frame.

[0006] The utility model has the characteristics that:

[0007] Further, the mounting frame is a hook-shaped structure, the bottom of the mounting frame is provided with a first threaded hole, and the fixing bolt is inverted and connected in the first threaded hole.

[0008] Further, the backing plate comprises a soft outer cladding layer and a hard inner reinforcing layer, the hard inner reinforcing layer is arranged in the soft outer cladding layer, and the soft outer cladding layer is provided with an annular flange along the edge.

[0009] Further, the length of the backing plate is 30-40 cm, and the width is 10-20 cm.

[0010] Further, the finger separating plate comprises a wrist part, a palm part and a finger part, the wrist part is provided with two second threaded through holes, the finger part is provided with two third threaded through holes, bolts are arranged in the second threaded through holes and the third threaded through holes, the bolts detachably connect the finger separating plate to the front end of the pad, and the pad fixed to the front end of the pad can keep the forearm in external rotation position, and the five fingers are separated to prevent the upper limb forearm from being internally rotated and the fingers from being flexed.

[0011] Further, the finger separating plate has three specifications, the large specification is 25cm*30cm, the medium specification is 23cm*28cm, and the small specification is 20cm*25cm.

[0012] Further, a telescopic rod is vertically arranged at the top of the mounting frame, and the top end of the telescopic rod is fixedly connected with the pad.

[0013] Further, the telescopic rod comprises an outer rod and an inner rod, the inner rod is inserted into the outer rod, spring positioning beads are embedded on the outer wall of the inner rod at equal intervals, positioning holes are formed in the outer wall of the outer rod, and the spring positioning beads are clamped into the positioning holes for limiting.

[0014] Further, the spring positioning beads are arranged at positions with a height of 5cm, 10cm and 15cm of the inner rod.

[0015] The beneficial effects of the utility model lie in:

[0016] 1. The utility model changes the original gripper into a detachable and replaceable finger separating plate, so that the function position of full finger stretching is kept, and hand flexion deformity is prevented.

[0017] 2. The utility model improves the clinical accessibility and generalizability, so that a longitudinal telescopic device is added to the bottom of the pad, the height of the auxiliary device is adjusted, and the device is adapted to patients with different heights. DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating creative labor.

[0019] Figure 1 It is a structural schematic view of the utility model;

[0020] Figure 2 It is a longitudinal sectional view of the utility model;

[0021] Figure 3 It is a plan view of the utility model;

[0022] In the figure, 1, the finger plate, 11, the finger part, 12, the palm part, 13, the wrist part, 2, the pad, 3, the mounting frame, 4, the fixing bolt, 21, the soft outer cladding, 22, the hard inner reinforcing layer, 5, the telescopic rod, 51, the outer rod, 52, the inner rod, 53, the spring positioning bead. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model. Figure 1 to the drawings Figure 3 The utility model will be described in detail below with reference to the drawings and specific embodiments:

[0025] A improved wheelchair handrail auxiliary device, refer to Figures 1-3 , including finger plate 1, pad 2, mounting frame 3 and fixing bolt 4 connected on the wheelchair handrail, the finger plate 1 can be detachably connected on pad 2, pad 2 bottom and mounting frame 3 are fixedly connected, fixing bolt 4 is connected on mounting frame 3, finger plate 1 can be installed or or removed according to the patient's demand and change into the handle.

[0026] The mounting frame 3 is hook-shaped structure, the first threaded hole is set up in the bottom of mounting frame 3, the fixing bolt 4 is inverted and is connected in the first threaded hole, the handrail of wheelchair is put into the internal space of mounting frame 3, and the handrail is pressed into mounting frame 3 by tightening the fixing bolt 4, so that the mounting frame 3 is fixed.

[0027] The pad 2 includes soft outer cladding 21 and hard inner reinforcing layer 22, the hard inner reinforcing layer 22 is arranged in the soft outer cladding 21, the soft outer cladding 21 provides comfortable touch, and the soft outer cladding 21 is provided with annular flange along the edge to avoid arm sliding out of the pad.

[0028] The pad 2 is 30~40cm long and 10~20cm wide. It can better support the arm, so that the patient can ensure that the glenohumeral joint and forearm are in neutral position when sitting on the wheelchair, thereby reducing shoulder pain caused by the weakness of upper limb muscle, the weakness of shoulder joint surrounding muscle and ligament or the reasons such as associated with sprain, and avoiding the discomfort of abdominal compression of the user with body type overweight.

[0029] The finger separating plate 1 comprises a wrist part 13, a palm part 12 and a finger part 11, the wrist part 13 is provided with two second threaded through holes, the finger part 11 is provided with two third threaded through holes, bolts are arranged in the second threaded through holes and the third threaded through holes, the bolts detachably connect the finger separating plate 1 to the front end of the pad plate 2, and the pad plate 1 is fixed to the front end of the pad plate 2 to keep the forearm in external rotation position and prevent the upper limb forearm from internally rotating and the fingers from being flexed.

[0030] The finger separating plate 1 has three specifications, i.e., a large specification of 25cm*30cm, a medium specification of 23cm*28cm and a small specification of 20cm*25cm, and the three specifications are suitable for people with different body types.

[0031] The mounting frame 3 is vertically provided with a telescopic rod 5 at the top, the telescopic rod 5 is fixedly connected with the pad plate 2 at the top end, and the telescopic rod 5 adjusts the height of the pad plate.

[0032] The telescopic rod 5 comprises an outer rod 51, an inner rod 52 is inserted into the inner rod 51, a plurality of spring positioning beads 53 are embedded on the outer wall of the inner rod 52 at equal intervals, positioning holes are formed on the outer wall of the outer rod 51, and the spring positioning beads 53 are clamped into the positioning holes for limiting.

[0033] The spring positioning beads 53 are arranged at positions of 5cm, 10cm and 15cm in height of the inner rod 5, and four adjustable heights are provided.

[0034] The utility model is further described by means of specific embodiments above, but it should be understood that the specific description herein should not be understood as the limitation on the essence and scope of the utility model, and various modifications made by the ordinary skilled in the art after reading the description above all belong to the scope protected by the utility model.

Claims

1. An improved wheelchair arm rest aid, characterised in that, The utility model relates to a wheelchair hand fixing device, including the finger board (1), the backing plate (2), the mounting bracket (3) connected on the wheelchair handrail and the fixed bolt (4), the finger board (1) is detachably connected on the backing plate (2), and the bottom of the backing plate (2) is fixedly connected with the mounting bracket, and the fixed bolt is connected on the mounting bracket (3), the finger board (1) includes the wrist (13), the palm (12) and the finger (11), the wrist (13) is seted up with two second threaded through -holes, the finger is seted up with two third threaded through -holes, and the second threaded through -hole and third threaded through -hole are provided with bolt, and the bolt detachably connects the finger board (1) on the backing plate (2) front end.

2. The modified wheelchair arm rest assist of claim 1, wherein, The mounting bracket (3) is hook structure, and the bottom of mounting bracket (3) is seted up with first threaded through -hole, and the fixed bolt (4) is inverted and is connected in the first threaded through -hole.

3. The modified wheelchair arm-aid of claim 1 or 2, wherein, The backing plate includes the soft outer cladding (21) and the hard inner reinforcing layer (22), the hard inner reinforcing layer (22) is arranged in the soft outer cladding (21), and the soft outer cladding (21) is provided with annular flange along the edge.

4. The modified wheelchair arm-aid of claim 1 or 2, wherein, The backing plate is 30-40cm long and 10-20cm wide.

5. The modified wheelchair arm rest assist of claim 1, wherein, The finger board (1) has three specifications, and the large specification is 25cm*30cm, the medium specification is 23cm*28cm, and the small specification is 20cm*25cm.

6. The modified wheelchair arm rest assist of claim 2, wherein, The mounting bracket (3) is provided with a telescopic rod (5) vertically on the top, and the top of the telescopic rod is fixedly connected with the backing plate (2).

7. The modified wheelchair arm rest assist of claim 6, wherein, The telescopic rod (5) includes an outer rod (51), an inner rod (52) is inserted into the outer rod (51), a plurality of spring positioning beads (53) are embedded on the outer wall of the inner rod (52) at equal intervals, a positioning hole is formed on the outer wall of the outer rod (51), and the spring positioning beads (53) are clamped into the positioning hole for limiting.

8. The modified wheelchair arm rest assist of claim 7, wherein, The spring positioning beads (53) are arranged at positions with heights of 5cm, 10cm and 15cm.

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