Artificial shank sleeve with protection function

By introducing structures such as an arc-shaped plate, connecting rod, tension spring, arc-shaped support plate, and return spring into the lower leg prosthesis sleeve, the problems of sweating and poor shock absorption in summer have been solved, achieving better protection and comfort.

CN224023746UActive Publication Date: 2026-03-24XIAMEN YINING YUANDA TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing lower leg prostheses tend to cause sweating during summer use, leading to itching complications at the stump and poor shock absorption, which may cause pain at the amputation site.

Method used

A lower leg prosthesis sleeve was designed, which includes an arc-shaped plate, a connecting rod, a tension spring, an arc-shaped support plate, and a return spring. Through the cooperation of these structures, the vibration during walking is buffered, and the arc-shaped plate fits the amputation end to provide support and shock absorption. At the same time, an annular airbag is set to prevent slippage.

Benefits of technology

It effectively alleviates the vibration and moisture problems during the use of prosthetic sleeves, improves the comfort of use, and reduces pain and the risk of complications at the amputation site.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of artificial limbs, and discloses a shank artificial limb sleeve with a protection function, which comprises an artificial limb sleeve main body, a fixing ring is arranged at the top of the artificial limb sleeve main body, a T-shaped groove is arranged on the inner side wall of the fixing ring, a plurality of sliding shafts are arranged in the T-shaped groove in a sliding manner, and connecting rods are convexly arranged on the sliding shafts. A first connecting piece is rotationally installed on the connecting rod, second connecting pieces are rotationally installed at the two ends of the first connecting piece, arc-shaped plates are fixedly installed on the two second connecting pieces, a plurality of fixing blocks are arranged on the inner wall of the bottom of the artificial limb sleeve body at intervals in the circumferential direction, and reset sliding grooves are formed in the fixing blocks; a reset sliding block is arranged in the reset sliding groove in a sliding mode, an arc-shaped supporting plate is installed on the top of the reset sliding block, a reset spring is arranged in the reset sliding groove, and the end, away from the reset sliding groove, of the reset spring abuts against the reset sliding block.
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Description

TECHNICAL FIELD

[0001] The utility model relates to artificial limb technical field, concretely is a kind of calf artificial limb cover with protection function. BACKGROUND

[0002] Artificial limb is artificial body specially designed and made for compensating amputee or limb incomplete defect by engineering technology means and method, also called "prosthesis", its main function is to replace the part of function of missing limb, so that amputee restores certain self-care and working ability, and its applicable object is amputee due to disease, traffic accident, work injury, sports trauma and the like.

[0003] At present, the calf artificial limb cover is directly sleeved in the inside of calf artificial limb cover when using, in summer, residual limb is easy to sweat and cannot be discharged, so that artificial limb receiving cavity is all water vapor, and then residual limb is itchy, even causes various complications, and affects the health of body.

[0004] The patent with announcement number CN219921293U discloses a calf artificial limb cover with protection function, which comprises a protection mechanism, a damping mechanism is arranged in the protection mechanism, the protection mechanism comprises an artificial limb cover body, a protective sleeve is fixedly connected to the outside of the artificial limb cover body, air holes are formed in the outer walls of the artificial limb cover body and the protective sleeve, a placing groove is formed in the top of the protective sleeve, a groove cover is clamped to the top of the placing groove, a gas guide pipe is fixedly connected to the top of the groove cover, a sweat absorbing sleeve is fixedly connected to the top of the protective sleeve, and a sweat absorbing towel is arranged in the sweat absorbing sleeve; the calf artificial limb cover with protection function is protected by the protection mechanism, so that the limb is not too hot in summer, and complications are avoided, and the vibration generated by the limb and the artificial limb cover when walking is reduced by the damping mechanism, so that the protection and damping operations are completed.

[0005] However, the device only provides damping protection for the artificial limb of the user by sponge pad and damping pad, and the damping effect is general, which can cause pain in the amputation part of the user after long-time walking. UTILITY MODEL CONTENTS

[0006] (I) technical problem solved

[0007] In view of the defects of the prior art, the utility model provides a calf artificial limb cover with protection function, which solves the above technical problems.

[0008] (II) technical scheme

[0009] To achieve the above object, the utility model provides the following technical scheme: A kind of calf artificial limb cover with protection function, including artificial limb cover main part, the top of artificial limb cover main part is provided with fixed ring, T-shaped slot is opened in the inner side wall of fixed ring, several sliding shafts are slidably arranged in T-shaped slot, connecting rod is protruded on sliding shaft, first connecting piece is rotatably installed on connecting rod, second connecting piece is rotatably installed at the both ends of first connecting piece, arc plate is fixedly installed on two second connecting pieces, the inner wall of the bottom of artificial limb cover main part is arranged with several fixed blocks along the circumferential direction, reset sliding slot is opened in fixed block, reset sliding block is slidably arranged in reset sliding slot, arc support plate is installed on the top of reset sliding block, reset spring is arranged in reset sliding slot, and the end of reset spring away from reset sliding slot is abutted on reset sliding block.

[0010] Preferably, the inner wall of the fixed ring is provided with an annular air bag, and the fixed ring is provided with a gas pump communicated with the annular air bag.

[0011] Preferably, the outer side wall of the fixed ring is provided with a control button, and the control button is electrically connected with the gas pump.

[0012] Preferably, the arc plate is linked with four second connecting pieces, and the four second connecting pieces are rotatably installed on two first connecting pieces with minimum spacing.

[0013] Preferably, a tension spring is arranged between the two connecting rods connected on the same arc plate.

[0014] Preferably, the concave surfaces of the arc plate and the arc support plate are attached with sponge pads.

[0015] Preferably, a plurality of through holes are opened in the artificial limb cover main part and communicated with the inner cavity of the artificial limb cover main part.

[0016] Compared with the prior art, the utility model provides a calf artificial limb cover with protection function, which has the following beneficial effects:

[0017] The arc plate, the connecting rod and the tension spring are cooperated to buffer the impact and reduce the shock through the tension spring between the two connecting rods when the user wears the artificial limb cover main part and walks by extruding the arc plate and driving the two connecting rods connected on the arc plate to move away from each other, and the first connecting piece and the second connecting piece are arranged to make the arc plate more fit the amputation end of the user, and the arc support plate and the reset spring are arranged to provide support for the amputation end of the user through the arc support plate, and the reset spring is extruded by the arc support plate when walking, so that the elastic potential energy of the reset spring can buffer the impact generated when walking and reduce the impact force, thereby providing good protection for the amputation end of the user. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the schematic view of the main body structure of the utility model;

[0019] Figure 2 It is the schematic view of the side view section structure of the annular air bag, T-shaped groove and tension spring structure of the utility model;

[0020] Figure 3 It is the schematic view of the side view section structure of the arc-shaped support plate, reset sliding block and reset spring structure of the utility model;

[0021] Figure 4 It is the schematic view of the top view section structure of the arc-shaped plate, connecting rod and tension spring structure of the utility model;

[0022] Figure 5 It is the schematic view of the utility model's Figure 3 It is the enlarged schematic view of the structure at A of the utility model.

[0023] Wherein: 1, artificial limb sleeve main body; 2, through hole; 3, fixed ring; 4, annular air bag; 5, arc-shaped plate; 6, T-shaped groove; 7, control button; 8, connecting rod; 9, first connecting piece; 10, second connecting piece; 11, fixed block; 12, reset sliding groove; 13, reset spring; 14, reset sliding block; 15, arc-shaped support plate; 16, tension spring; 17, sliding shaft; 18, air pump. DETAILED DESCRIPTION

[0024] The embodiment of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0025] In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more than two; the orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0026] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the term "connects", "connects" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connects;Can be mechanical connection, also can be electrical connection;It can be directly connected, also can be indirectly connected through the intermediate medium.For the ordinary skilled in the art, the specific meaning of the above-mentioned term in the utility model can be understood according to the specific circumstances.

[0027] Please refer to Figures 1-5 A kind of lower leg prosthesis cover with protection function, including prosthesis cover main body 1, the top of prosthesis cover main body 1 is provided with fixed ring 3, T-shaped slot 6 is opened in the inner side wall of fixed ring 3, several sliding shafts 17 are slidably arranged in T-shaped slot 6, connecting rod 8 is protruded on sliding shaft 17, first connecting piece 9 is rotatably installed on connecting rod 8, second connecting piece 10 is rotatably installed at the both ends of first connecting piece 9, arc-shaped plate 5 is fixedly installed on two second connecting pieces 10, several fixed blocks 11 are arranged in the bottom inner wall of prosthesis cover main body 1 along the circumferential direction, reset sliding slot 12 is opened in fixed block 11, reset sliding block 14 is slidably arranged in reset sliding slot 12, arc-shaped support plate 15 is installed on the top of reset sliding block 14, reset spring 13 is arranged in reset sliding slot 12, and the end of reset spring 13 away from reset sliding slot 12 is abutted on reset sliding block 14.

[0028] Through the mutual cooperation of the arc-shaped plate 5, connecting rod 8 and tension spring 16 structure provided, when the user wears the prosthesis cover main body 1 and walks, the arc-shaped plate 5 is extruded, the two connecting rods 8 connected to the arc-shaped plate 5 are driven away from each other, the tension spring 16 between the two connecting rods 8 can buffer the impact and reduce the vibration, and through the setting of the first connecting piece 9 and the second connecting piece 10, the arc-shaped plate 5 can be more fitted to the amputation end of the user, and through the setting of the arc-shaped support plate 15 and the reset spring 13, the arc-shaped support plate 15 can provide support for the amputation end of the user, and when walking, the arc-shaped support plate 15 drives the reset sliding block 14 to extrude the reset spring 13, so that the elastic potential energy of the reset spring 13 can buffer the impact generated when walking and weaken the impact force, thereby providing good protection for the amputation end of the user.

[0029] Specifically, in the embodiment, an annular air bag 4 is arranged on the inner wall of the fixed ring 3, and a gas pump 18 is arranged in the fixed ring 3 and communicates with the annular air bag 4.

[0030] Through the setting of the annular air bag 4, the annular air bag 4 can be inflated by the gas pump 18 to tightly abut against the amputation end of the user, preventing the prosthesis cover main body 1 from slipping off.

[0031] Specifically, in the embodiment, the outer side wall of the fixing ring 3 is provided with a control button 7, the control button 7 is electrically connected with the air pump 18, and the air pump 18 can be turned on and off through the control button 7.

[0032] Specifically, in the embodiment, the arc-shaped plate 5 is linked with four second connecting pieces 10, and the four second connecting pieces 10 are respectively rotationally installed on the two first connecting pieces 9 with the smallest interval.

[0033] Specifically, in the embodiment, the two connecting rods 8 connected on the same arc-shaped plate 5 are provided with the tension spring 16.

[0034] When the user wears the prosthesis sleeve body 1 to walk, the arc-shaped plate 5 can be squeezed to drive the two connecting rods 8 connected on the arc-shaped plate 5 to move away from each other, so that the tension spring 16 between the two connecting rods 8 can buffer the impact and reduce the vibration.

[0035] Specifically, in the embodiment, the concave surface of the arc-shaped plate 5 and the arc-shaped support plate 15 is attached with a sponge pad, which can improve the comfort when the arc-shaped plate 5 and the arc-shaped support plate 15 contact with the skin of the user.

[0036] Specifically, in the embodiment, the prosthesis sleeve body 1 is provided with a plurality of through holes 2 which are communicated with the inner cavity of the prosthesis sleeve body 1, so as to ensure the air circulation in the prosthesis sleeve body 1 and prevent the hot air in the prosthesis from being unable to be discharged.

[0037] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A lower leg prosthesis sleeve with a protective function, comprising a prosthesis sleeve body, characterized in that: The top of the prosthesis cover body is provided with a fixing ring, a T-shaped slot is formed in the inner side wall of the fixing ring, a plurality of sliding shafts are slidably arranged in the T-shaped slot, a connecting rod is protrudingly arranged on the sliding shaft, a first connecting piece is rotatably arranged on the connecting rod, a second connecting piece is rotatably arranged at the two ends of the first connecting piece, an arc-shaped plate is fixedly arranged on the two second connecting pieces, a plurality of fixing blocks are arranged on the inner wall of the bottom of the prosthesis cover body in the circumferential direction, a reset sliding groove is formed in the fixing block, a reset sliding block is slidably arranged in the reset sliding groove, an arc-shaped supporting plate is arranged on the top of the reset sliding block, and a reset spring is arranged in the reset sliding groove, and one end of the reset spring away from the reset sliding groove abuts against the reset sliding block.

2. A lower leg prosthesis sleeve with a protection function according to claim 1, characterized in that: An annular air bag is arranged on the inner wall of the fixing ring, and a gas pump in communication with the annular air bag is arranged in the fixing ring.

3. A lower leg prosthesis sleeve with a protection function according to claim 1, characterized in that: A control button is arranged on the outer side wall of the fixing ring, and the control button is electrically connected with the gas pump.

4. The lower leg prosthesis sleeve with protection function according to claim 1, characterized in that: Four second connecting pieces are linked with the arc-shaped plate, and the four second connecting pieces are rotatably arranged on the two first connecting pieces with the smallest spacing.

5. The lower leg prosthesis sleeve with protection function according to claim 1, characterized in that: A tension spring is arranged between the two connecting rods linked with the same arc-shaped plate.

6. A lower leg prosthesis sleeve with protection function according to claim 1, characterized in that: Sponge pads are attached to the concave surfaces of the arc-shaped plate and the arc-shaped supporting plate.

7. The lower leg prosthesis sleeve with protection function according to claim 1, characterized in that: A plurality of through holes in communication with the inner cavity of the prosthesis cover body are formed in the prosthesis cover body.

Citation Information

Patent Citations

  • Artificial shank sleeve with protection function

    CN219921293U