CN110478194B - Elbow joint trainer - Google Patents
Elbow joint trainer Download PDFInfo
- Publication number
- CN110478194B CN110478194B CN201910858498.8A CN201910858498A CN110478194B CN 110478194 B CN110478194 B CN 110478194B CN 201910858498 A CN201910858498 A CN 201910858498A CN 110478194 B CN110478194 B CN 110478194B
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- China
- Prior art keywords
- support body
- forearm
- elbow joint
- arm support
- support
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- 210000002310 elbow joint Anatomy 0.000 title claims abstract description 27
- 210000000245 forearm Anatomy 0.000 claims abstract description 54
- 210000000689 upper leg Anatomy 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 16
- 210000003414 extremity Anatomy 0.000 abstract description 7
- 208000027418 Wounds and injury Diseases 0.000 abstract description 5
- 230000006378 damage Effects 0.000 abstract description 5
- 208000014674 injury Diseases 0.000 abstract description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 206010008190 Cerebrovascular accident Diseases 0.000 description 1
- 206010060820 Joint injury Diseases 0.000 description 1
- 208000006011 Stroke Diseases 0.000 description 1
- 230000002490 cerebral effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
Abstract
The invention relates to the field of medical equipment, in particular to an elbow joint training device. The invention provides an elbow joint training device which comprises a big arm supporting part, a small arm supporting part and a driving motor. The elbow joint training device provided by the invention can be used for elbow joint rehabilitation training, and in the buckling process, the forearm is positioned above the arm support, and the arm support drives the affected limb to conduct buckling training; in the extending process, the arm support turns 180 degrees, the forearm is located below the arm support, the arm support still drives the affected limb to extend and train, the whole device can effectively solve the problem that the forearm and the arm support are fixed in position in the training process, the problems that the affected limb is extruded and hard injury is caused in the elbow joint extending process due to the fact that the speed of the arm support is increased can be effectively avoided, and the device has good industrialization prospect.
Description
Technical Field
The invention relates to the field of medical equipment, in particular to an elbow joint training device.
Background
The existing elbow joint rehabilitation training device is used for fixing the forearm of a patient by virtue of a forearm support and a binding band, and the forearm support drives the forearm to move. In the buckling and stretching rehabilitation movement process, the forearm is fixed in the groove of the arm support, the forearm is always on, the arm support is under, and the relative position is not changed. The structure cannot be well suitable for two different training processes of buckling and stretching, particularly in the stretching process, the forearm is still positioned above the arm support, the arm support drives the forearm to stretch and train, if the arm support accelerates, the binding belt with the fixing function can probably squeeze the forearm due to inertia, and hard injury is generated.
The patient with the elbow joint injury caused by cerebral apoplexy or exercise must ensure the safety in the rehabilitation training process, and avoid the rehabilitation device from causing secondary injury to the patient. In the existing elbow joint rehabilitation training device, the forearm of a patient is usually fixed by virtue of a forearm support and a binding belt, in the bending and stretching exercise training process, the forearm is fixed in a groove of the arm support, the relative positions of the forearm and the arm support are fixed, the forearm is always positioned above the arm support and below the arm support, the structure cannot be well adapted to two different training processes of bending and stretching, particularly in the stretching process, the forearm is still positioned above the arm support, the forearm is driven by the arm support to stretch and train, and if the arm support accelerates, the binding belt with a fixing effect tends to squeeze the forearm due to inertia, so that hard injury is generated.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide an elbow training device for solving the problems of the prior art.
To achieve the above and other related objects, the present invention provides an elbow joint training device, including a big arm support portion, a small arm support portion and a driving motor, where the big arm support portion includes a base and a big arm support body located on the base, the small arm support portion includes a small arm support body, a first support body and a second support body, the first support body and the second support body are located at two sides of the big arm support body, the elbow ends of the first support body and the second support body are respectively matched with the elbow end position of the big arm support body, and the elbow ends of the first support body and the second support body are respectively connected with the driving motor in a rotating way, the extending directions of the first support body and the second support body are consistent with the rotating directions, the free ends of the first support body and the second support body are respectively provided with a first slide rail and a second slide rail, the extending directions of the slide rail are consistent with the extending directions of the support body, the small arm support body is located between the first support body and the second support body, the section of the small arm support body is matched with the extending directions of the first support body and the second support body is provided with the first slide rail and the second axis, and the two sides of the two support bodies are matched with the first slide rails and the two axes are respectively.
In some embodiments of the invention, the direction of rotation of the first bracket body and the second bracket body matches the direction of extension of the boom support member body.
In some embodiments of the invention, the contact area of the forearm support body with the forearm is 125cm 2～187.5cm2.
In some embodiments of the invention, the length of the forearm support body is 7cm to 10cm.
In some embodiments of the invention, the length of the first stent body and/or the second stent body is 25cm to 30cm.
In some embodiments of the invention, the distance between the first stent body and the second stent body is 17cm to 20cm.
In some embodiments of the present invention, the length of the first sliding rail and/or the second sliding rail is 7cm to 10cm.
In some embodiments of the present invention, a connecting member is further disposed between the first bracket body and the second bracket body.
In some embodiments of the invention, the connector is located at the free ends of the first bracket body and the second bracket body.
In some embodiments of the invention, the cross section of the large arm support body is arc-shaped.
Drawings
Fig. 1 is a schematic diagram showing the overall structure of the present invention.
Description of element reference numerals
1. Big arm support part
11. Base seat
12. Big arm support body
2. Forearm support
21. First support body
22. Second support body
23. First slide rail
24. Second slide rail
25. First rotating shaft
26. Second rotating shaft
27. Forearm support body
3. Driving motor
Detailed Description
Further advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present invention, which is described by the following specific examples.
Please refer to fig. 1. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the invention to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the invention, are not intended to be critical to the essential characteristics of the invention, but are intended to fall within the spirit and scope of the invention. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the invention, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the invention may be practiced.
As shown in fig. 1, the present invention provides an elbow joint training device, comprising a big arm supporting part 1, a small arm supporting part 2 and a driving motor 3, wherein the big arm supporting part 1 comprises a base 11 and a big arm supporting part body 12 positioned on the base 11, the small arm supporting part 2 comprises a small arm supporting part body 27, a first bracket body 21 and a second bracket body 22, the first bracket body 21 and the second bracket body 22 are respectively positioned at two sides of the big arm supporting part body 12, the elbow ends of the first bracket body 21 and the second bracket body 22 are respectively matched with the elbow end position of the big arm supporting part body 12, and the elbow ends of the first bracket body 21 and the second bracket body 22 are respectively connected with the driving motor 3 in a rotating way, The extending direction and the rotating direction of the first bracket body 21 and the second bracket body 22 are consistent, the free ends of the first bracket body 21 and the second bracket body 22 are respectively provided with a first slide rail 23 and a second slide rail 24, the extending direction of the slide rails is consistent with the extending direction of the bracket body, the small arm support body 27 is positioned between the first bracket body 21 and the second bracket body 22, the cross section of the small arm support body 27 is arc-shaped, the extending direction is consistent with the extending direction of the bracket body, two sides of the small arm support body 27 are respectively provided with a first slide rail 23 and a second slide rail 24 which are matched with each other (for example, a first rotating shaft 25 and a second rotating shaft 26 can be respectively embedded into the first slide rail 23 and the second slide rail 24), a small arm support body 27 is positioned between the first bracket body 21 and the second bracket body 22, And the first rotating shaft 25 and the second rotating shaft 26 with the same axis are provided, the small arm support body 27 can slide along the extending direction of the sliding rail, and can rotate around the axis of the first rotating shaft 25 and the second rotating shaft 26. when the invention is used, the large arm of a subject can be placed on the large arm support body 12, the elbow ends of the first bracket body 21 and the second bracket body 22 respectively correspond to the elbow end positions of the large arm support body 12, so that when the large arm of the subject is placed on the large arm support body 12 and the elbow is positioned at the elbow end of the large arm support body 12, the forearm of the subject can be positioned on the forearm support body 27, and the extension direction of the forearm is basically consistent with the extension direction of the bracket body, thereby the bracket body can smoothly drive the forearm to flex and stretch relative to the large arm. The subject's large and small arms may be generally secured in the large arm support body 12 and small arm support body 27, respectively, by straps, and the drive motor 3 may drive the first and second bracket bodies 21 and 22 to rotate, thereby effecting flexion and extension of the small arms. The direction of rotation of the bracket body is generally matched to the direction of extension of the boom support body 12, e.g., the direction of extension of the boom support body 12 may be parallel to the plane formed upon rotation. The cross section of the main arm support body 12 may be generally arc-shaped, and the base 11 may be located below the main arm support body 12, and its opening may be generally directed toward the side where the first bracket body 21 and the second bracket body 22 are located. The position of the arm support body 27 is adjustable during flexion and extension of the arm, and can be respectively located below and above the arm, the positions of the first slide rail 23 and the second slide rail 24 are generally matched with the position of the front end of the arm, and the positions of the first slide rail 23 and the second slide rail 24 can be generally extended from the middle end part of the arm to the wrist part, so that the arm support body 27 can be slid to the position corresponding to the arm when the arm of a subject needs to be pushed, the arm can be pushed by the arm support body 27 when the driving motor drives the bracket body to rotate, and after the flexion or extension process is completed, the arm support body 27 can be slid to the free end of the bracket body, The forearm support member body 27 can rotate through the pivot that is located the slide rail when the free end, and the cross-section is curved forearm support member body 27's opening direction can rotate 180, and when driving motor drive support body rotated to the opposite direction, still can drive the forearm motion through forearm support member body 27, buckling or stretching all apply the driving force to the forearm through forearm support member body 27, avoid the arm to hold in the palm the rigid extrusion of bandage to the forearm that causes when speed variation (for example, suddenly accelerate).
In the elbow training device provided by the invention, the arm support body 27 is required to have a proper contact area and extension length with the arm, for example, the contact area between the arm support body 27 and the arm may be 125cm2～187.5cm2、125cm2～140cm2、140cm2～155cm2、155cm2～170cm2、 or 170cm 2～187.5cm2, and the length of the arm support body 27 along the extension direction may be 7 cm-10 cm, 7 cm-8 cm, 8 cm-9 cm, or 9 cm-10 cm. The arm support body 27 may be generally positioned on one side of the plane and open on the other side thereof with respect to the plane formed by the first bracket body 21 and the second bracket body 22 when pushing the arm for movement, and it is generally required to form a fixation for the arm by a strap.
In the elbow training device provided by the invention, the first bracket body 21 and/or the second bracket body 22 generally need to have a certain length, and the first sliding rail 23 and/or the second sliding rail 24 generally need to have a certain length, so that the forearm support member body 27 can support the forearm at a proper position, and can slide to the free end of the forearm support member body by a sufficient distance when the support direction needs to be changed, and the forearm support member body 27 can be rotated to realize the change of the pushing direction under the condition that the influence of the limb of a patient is avoided. For example, the length of the first bracket body 21 and/or the second bracket body 22 in the extending direction thereof may be 25cm to 30cm, 25cm to 26cm, 26cm to 28cm, or 28cm to 30cm, and for another example, the length of the first slide rail 23 and/or the second slide rail 24 in the extending direction thereof may be 7cm to 10cm, 7cm to 8cm, 8cm to 9cm, or 9cm to 10cm. The first stent body 21 and the second stent body 22 generally need to have a sufficient spacing therebetween to accommodate the forearm of the subject, for example, the spacing between the first stent body 21 and the second stent body 22 is 17cm to 20cm, 17cm to 18cm, 18cm to 19cm, or 19cm to 20cm.
In the elbow joint training device provided by the invention, the connecting piece can be further arranged between the first bracket body 21 and the second bracket body 22, so that the first bracket body 21 and the second bracket body 22 can form a whole, and the synchronization during rotation is ensured. The connecting piece can be positioned at the free ends of the first bracket body 21 and the second bracket body 22, and can better support the first bracket body 21 and the second bracket body 22 under the premise of not influencing the rotation of the forearm support piece body 27.
The elbow joint training device provided by the invention can be used for elbow joint rehabilitation training, and in the buckling process, the forearm is positioned above the arm support, and the arm support drives the affected limb to conduct buckling training; in the extending process, the arm support turns 180 degrees, the forearm is located below the arm support, the arm support still drives the affected limb to extend and train, the whole device can effectively solve the problem that the forearm and the arm support are fixed in position in the training process, the problems that the affected limb is extruded and hard injury is caused in the elbow joint extending process due to the fact that the speed of the arm support is increased can be effectively avoided, and the device has good industrialization prospect.
In summary, the present invention effectively overcomes the disadvantages of the prior art and has high industrial utility value.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (10)
1. The utility model provides an elbow joint trainer, its characterized in that includes big arm supporting part (1), forearm supporting part (2) and driving motor (3), big arm supporting part (1) include base (11) and be located big arm supporting part body (12) on base (11), forearm supporting part (2) include forearm supporting part body (27), first support body (21) and second support body (22) are located the both sides of big arm supporting part body (12) respectively, the elbow end of first support body (21) and second support body (22) respectively with the elbow end position of big arm supporting part body (12) cooperate, and the elbow end of first support body (21) and second support body (22) respectively with driving motor (3) rotate and be connected, the extending direction and the rotation direction of first support body (21) and second support body (22) are unanimous, first support body (21) and second support body (22) are equipped with the extending direction of first support body (21) and second support body (22) and slide rail (23) and the extending direction of second support body (22) are located between the first support body (21) and the slide rail (23) and the second support body (22) respectively, the section of the forearm support member body (27) is arc-shaped, the extending direction is consistent with the extending direction of the bracket body, and a first rotating shaft (25) and a second rotating shaft (26) which are matched with the first sliding rail (23) and the second sliding rail (24) respectively and have consistent axes are arranged on two sides of the forearm support member body (27).
2. Elbow joint training device according to claim 1, wherein the direction of rotation of the first bracket body (21) and the second bracket body (22) matches the direction of extension of the forearm support body (12).
3. The elbow joint training device of claim 1, wherein the contact area of the forearm support body (27) with the forearm is 125cm 2～187.5cm2.
4. Elbow joint training device according to claim 1, wherein the length of the forearm support body (27) is 7 cm-10 cm.
5. Elbow joint training device according to claim 1, wherein the first bracket body (21) and/or the second bracket body (22) has a length of 25cm to 30cm.
6. The elbow joint training device according to claim 1, wherein a distance between the first bracket body (21) and the second bracket body (22) is 17cm to 20cm.
7. Elbow joint training device according to claim 1, wherein the first rail (23) and/or the second rail (24) has a length of 7cm to 10cm.
8. Elbow joint training device according to claim 1, wherein a connecting element is further provided between the first bracket body (21) and the second bracket body (22).
9. Elbow joint training device according to claim 8, wherein the connector is located at the free ends of the first bracket body (21) and the second bracket body (22).
10. Elbow joint training apparatus according to claim 1, wherein the cross section of the thigh support body (12) is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910858498.8A CN110478194B (en) | 2019-09-11 | Elbow joint trainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910858498.8A CN110478194B (en) | 2019-09-11 | Elbow joint trainer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110478194A CN110478194A (en) | 2019-11-22 |
| CN110478194B true CN110478194B (en) | 2024-07-02 |
Family
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210932574U (en) * | 2019-09-11 | 2020-07-07 | 上海交通大学医学院附属第九人民医院 | Elbow joint training device |
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210932574U (en) * | 2019-09-11 | 2020-07-07 | 上海交通大学医学院附属第九人民医院 | Elbow joint training device |
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