CN211245403U

CN211245403U - Clinical arm trainer

Info

Publication number: CN211245403U
Application number: CN201922251049.5U
Authority: CN
Inventors: 王雄; 谢瑞敏
Original assignee: First Hospital of Lanzhou University
Current assignee: First Hospital of Lanzhou University
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-08-14
Anticipated expiration: 2029-12-16

Abstract

A clinical arm training device effectively solves the problem that a patient is difficult to keep a training posture; the device comprises an arc plate in the vertical direction, a transmission case positioned at the rear side of the arc plate is arranged at the upper end of the arc plate, a swinging groove with a backward opening is formed in the rear side wall of the transmission case, a connecting shaft in the vertical axial direction is rotationally connected in the transmission case, a large ratchet wheel with the clockwise tooth direction is coaxially arranged at the upper end of the connecting shaft, a large pawl capable of being meshed with the large ratchet wheel is hinged in the transmission case, a connecting plate with the right end extending out of the swinging groove is arranged at the lower side of the connecting shaft, a supporting plate in the left-right direction is hinged at the right end of the connecting plate through a pin shaft, a placing groove coaxial with the pin shaft is formed in the lower side of the supporting plate, the lower end of; the structure is simple, the operation is convenient, the conception is novel, and the practicability is strong.

Description

Clinical arm trainer

Technical Field

The utility model relates to an orthopedics auxiliary training apparatus technical field, concretely relates to clinical arm trainer.

Background

Fracture refers to the continuity of bone structure and breaks completely or partially, mostly be the limbs fracture, because long-term fixed after the treatment, local wound factor leads to articular contracture and rigidity, need carry out the function and temper, to arm fracture's patient, generally temper mainly still to resume normal joint mobility, thereby resume normal function, need medical personnel or patient's family members's assistance when taking exercise at present, need to buckle the joint or straighten to painful degree, and make the patient keep this state certain time, carry out the arm training to the patient with this, be favorable to the recovery of patient's function, but to the patient, it is more difficult to keep above-mentioned state for a long time oneself.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming the defects of the prior art, the utility model aims to provide a clinical arm training device, the effectual patient self of having solved keeps taking exercise the problem of gesture difficulty.

The technical scheme of its solution is, the utility model discloses an arc of upper and lower direction, the arc upper end is equipped with the transmission case that is located its rear side, set up the backward swing groove of opening on the lateral wall behind the transmission case, the transmission case internal rotation is connected with upper and lower axial connecting axle, the coaxial dentition that is equipped with in connecting axle upper end is clockwise big ratchet, the articulated big ratchet that has can mesh with big ratchet in the transmission case, the connecting axle downside is equipped with the connecting plate that the right-hand member stretches out the swing groove, the connecting plate right-hand member articulates through the round pin axle has the backup pad of left and right directions, the standing groove coaxial with the round pin axle is seted up to the backup pad downside, the round pin axle lower extreme inserts in the standing groove and coaxial dentition is anticlockwise little ratchet, it has the.

Compared with the prior art, the beneficial effects of the utility model are that: it is rational in infrastructure, practical convenient sets up arc, transmission case, big ratchet, little ratchet, big pawl, little pawl, and the patient of being convenient for fixes the swing posture of arm, is favorable to patient's recovery, has saved medical personnel and patient family members' nursing time simultaneously, is equipped with connecting block, grab handle, lifting rope, stay cord and fixed block simultaneously, and the patient of being convenient for is according to self condition autonomous control fixed time, this simple structure, convenient operation conceives the novelty, and the practicality is strong.

Drawings

Fig. 1 is an isometric view of the present invention.

Fig. 2 is a partially-sectioned rear-view axonometric view of the utility model.

Figure 3 is the overhead axonometric view of the partial section of the utility model.

Fig. 4 is a partially-sectioned rear perspective view of the utility model.

Fig. 5 is an enlarged view of a in fig. 4 according to the present invention.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

The device is provided by figures 1 to 5, and comprises an arc plate 1 in the vertical direction, wherein a transmission case 2 positioned at the rear side of the arc plate 1 is arranged at the upper end of the arc plate 1, a swinging groove 3 with a backward opening is formed in the rear side wall of the transmission case 2, an upper axial connecting shaft 4 and a lower axial connecting shaft are rotationally connected in the transmission case 2, a large ratchet 5 with a clockwise tooth direction is coaxially arranged at the upper end of the connecting shaft 4, a large ratchet 6 capable of being meshed with the large ratchet 5 is hinged in the transmission case 2, a connecting plate 7 with a right end extending out of the swinging groove 3 is arranged at the lower side of the connecting shaft 4, a supporting plate 8 with a left direction and a right direction is hinged at the right end of the connecting plate 7 through a pin shaft, a placing groove 9 coaxial with the pin shaft is formed at the lower side of the supporting plate 8, a small ratchet 10 with an anticlockwise.

For the convenience of patient's use, 1 lower extreme of arc be equipped with the female subsides of elasticity magic 12 that are located its front side, 1 lower extreme of arc be equipped with be located its rear side and can paste 12 adhesive elasticity magic subsides 13 with the female subsides of elasticity magic.

In order to enable the large pawl 6 to be meshed with the large ratchet 5, a first spring piece 14 which is contacted with the large pawl 6 is arranged on the right side wall of the transmission case 2, a pull rope 15 in the front-back direction is arranged on the front side wall of the large pawl 6, and the free end of the pull rope 15 penetrates through the arc-shaped plate 1 and is provided with a fixed block 16.

In order to make the small pawl 11 engage with the small ratchet 10, the right side wall of the placing groove 9 is provided with a second spring piece 17 contacting with the small pawl 11, the right side wall of the small pawl 11 is provided with a lifting rope 18, and the free end of the lifting rope 18 penetrates through the right end surface of the supporting plate 8.

In order to control the lifting rope 18, the right end of the supporting plate 8 is hinged with a connecting block 19, the left side wall of the connecting block 19 is fixedly connected with the lifting rope 18, and the front end of the connecting block 19 is provided with a grab handle 20.

In order to fix the arms of the patient, the upper ends of the connecting plate 7 and the supporting plate 8 are respectively provided with a fixing band 21 in the vertical direction, the lower ends of the connecting plate 7 and the supporting plate 8 are respectively provided with a fixing ring 22, the rear surfaces of the two fixing bands 21 are respectively provided with a female magic tape 23 positioned on the lower side of the fixing bands, the free ends of the two fixing bands 21 can be inserted into the fixing rings 22 on the corresponding sides of the fixing bands and are respectively provided with a male magic tape 24 which can be bonded with the female magic tape 23.

In order to increase the comfort of the patient, rectangular grooves with forward openings are respectively formed in the connecting plate 7 and the supporting plate 8, and elastic blocks 25 are arranged in the two rectangular grooves.

When the utility model is used, the arc plate 1 is placed behind the back of a patient, the elastic magic tape 13 and the elastic magic mother tape 12 encircle the waist of the patient, the elastic magic tape 13 is bonded with the elastic magic mother tape 12, the arc plate 1 is fixed on the back of the patient, the arm of the patient is placed on two elastic blocks 25 at the moment, two fixing bands 21 are respectively inserted into the fixing rings 22 on the corresponding sides, the magic son tapes 24 on the two fixing bands 21 are bonded with the magic mother tapes 23 on the corresponding sides, the arm of the patient is fixed, and the device is fixed on the arm of the patient;

when the device is fixed on the arm of a patient, the patient swings the arm shoulder joint backwards, the arm drives the supporting plate 8 to swing backwards and simultaneously drives the connecting plate 7 to swing backwards, along with the backward swing of the connecting plate 7, the connecting plate 7 drives the connecting shaft 4 to rotate anticlockwise, the connecting shaft 4 drives the large ratchet wheel 5 to rotate anticlockwise, the large ratchet wheel 5 drives the large pawl 6 to swing forwards and extrude the first spring piece 14, when the patient swings to a limit angle, the swinging of the arm is stopped, at the moment, under the action of the first spring piece 14, the large ratchet 6 is meshed with the large ratchet wheel 5, and simultaneously, because the ratchet direction of the large ratchet wheel 5 is clockwise, under the action of the large ratchet 6, the connecting plate 7 cannot drive the large ratchet wheel 6 to rotate through the connecting shaft 4, and at the moment, the arm shoulder joint of the;

if the angle of the elbow joint of the patient needs to be fixed, the elbow joint of the patient swings backwards, the supporting plate 8 is driven to swing backwards, the supporting plate 8 drives the small pawl 11 to rotate anticlockwise and extrude the second spring piece 17 due to the fact that the teeth of the small pawl 11 face anticlockwise, and after the patient moves to the limit position, the small pawl 11 is meshed with the small ratchet wheel 10 under the action of the second spring piece 17, and the swing angle of the elbow joint of the patient is fixed;

if the fixation of the arm shoulder joint needs to be released, the fixed block 16 is moved forwards, the fixed block 16 drives the pull rope 15 to move forwards, the pull rope 15 drives the large pawl 6 to move forwards and move out of the ratchet groove of the large ratchet 5, the limitation on the large ratchet 5 is released, the connecting plate 7 can swing freely at the moment, a patient is restored to the initial position, the fixed block 16 is released at the moment, and the large pawl 6 and the large ratchet 5 are meshed again under the action of the first spring piece 14;

if the fixing of the elbow joint of the arm of the patient needs to be released, the arm of the patient holds the holding handle 20 and pulls the holding handle 20 forwards, the holding handle 20 drives the connecting block 19 to swing forwards, the connecting block 19 drives the lifting rope 18 to move rightwards, the lifting rope 18 drives the small pawl 11 to swing rightwards and extrude the second spring piece 17, after the small pawl 11 moves out of the tooth groove of the small ratchet wheel 10, the supporting plate 8 can swing freely to release the fixing of the elbow joint of the patient, and when the patient recovers the initial state, the holding handle 20 is released, so that the small pawl 11 is meshed with the small ratchet wheel 10 again.

Claims

1. A clinical arm training device comprises an arc plate (1) in the vertical direction, and is characterized in that the upper end of the arc plate (1) is provided with a transmission case (2) positioned at the rear side of the arc plate, the rear side wall of the transmission case (2) is provided with a swinging groove (3) with a backward opening, the transmission case (2) is rotationally connected with a connecting shaft (4) in the vertical axial direction, the upper end of the connecting shaft (4) is coaxially provided with a large ratchet wheel (5) with a clockwise tooth direction, the transmission case (2) is internally hinged with a large pawl (6) capable of being meshed with the large ratchet wheel (5), the lower side of the connecting shaft (4) is provided with a connecting plate (7) with the right end extending out of the swinging groove (3), the right end of the connecting plate (7) is hinged with a supporting plate (8) in the horizontal direction through a pin shaft, the lower side of the supporting plate (8) is provided with a placing groove, a small pawl (11) which can be meshed with the small ratchet wheel (10) is hinged in the placing groove (9).

2. The clinical arm training device as claimed in claim 1, wherein the lower end of the arc plate (1) is provided with an elastic magic female sticker (12) located at the front side thereof, and the lower end of the arc plate (1) is provided with an elastic magic sub sticker (13) located at the rear side thereof and capable of being adhered to the elastic magic female sticker (12).

3. A clinical arm training device according to claim 1, wherein the right side wall of the transmission case (2) is provided with a first spring piece (14) contacting with the large pawl (6), the front side wall of the large pawl (6) is provided with a pull rope (15) in the front-back direction, and the free end of the pull rope (15) penetrates through the arc-shaped plate (1) and is provided with a fixed block (16).

4. A clinical arm training device according to claim 1, characterized in that the right side wall of the placing groove (9) is provided with a second spring piece (17) which is contacted with the small pawl (11), the right side wall of the small pawl (11) is provided with a lifting rope (18), and the free end of the lifting rope (18) penetrates through the right end face of the supporting plate (8).

5. A clinical arm training device according to claim 1, wherein the right end of the supporting plate (8) is hinged with a connecting block (19), the left side wall of the connecting block (19) is fixedly connected with the lifting rope (18), and the front end of the connecting block (19) is provided with a handle (20).

6. A clinical arm training device according to claim 1, characterized in that the upper ends of the connecting plate (7) and the supporting plate (8) are provided with fixing straps (21) in the up-down direction, the lower ends of the connecting plate (7) and the supporting plate (8) are provided with fixing rings (22), the rear surfaces of the two fixing straps (21) are provided with female magic tapes (23) on the lower sides thereof, the free ends of the two fixing straps (21) can be inserted into the fixing rings (22) on the corresponding sides thereof and are provided with male magic tapes (24) capable of being adhered to the female magic tapes (23).

7. A clinical arm training device according to claim 1, wherein the connecting plate (7) and the supporting plate (8) are respectively provided with a rectangular groove with a forward opening, and the two rectangular grooves are both provided with an elastic block (25).