CN102871781A - Waterproof and dustproof device for powered below-knee prosthesis and production method thereof - Google Patents
Waterproof and dustproof device for powered below-knee prosthesis and production method thereof Download PDFInfo
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- CN102871781A CN102871781A CN2012104091994A CN201210409199A CN102871781A CN 102871781 A CN102871781 A CN 102871781A CN 2012104091994 A CN2012104091994 A CN 2012104091994A CN 201210409199 A CN201210409199 A CN 201210409199A CN 102871781 A CN102871781 A CN 102871781A
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- clad
- shank
- ankle
- foot
- artificial limb
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Abstract
A waterproof and dustproof device for a powered below-knee prosthesis and a production method thereof. The waterproof and dustproof device comprises a shank coating layer attached with a prosthesis shank, a foot coating layer attached with a prosthesis foot, and an ankle coating layer. The ankle coating layer is matched with an ankle in shape and sleeved outside the shank coating layer and the foot coating layer. The ankle coating layer is fixedly connected with the lower portion of the shank coating layer and the upper portion of the foot coating layer respectively. A through hole is arranged on the shank coating layer. An openable cover-shaped coating layer is disposed on the shank coating layer corresponding to the through hole. A plug which can penetrate through the through hole and be plugged into an opening of the prosthesis shank is disposed on the cover-shaped coating layer. The waterproof and dustproof device is widely applicable to water proofing and dust proofing for various prosthesises.
Description
Technical field
The present invention relates to a kind of dust and water proof apparatus and preparation method thereof, particularly about a kind of dynamic below-knee artificial limb dust and water proof apparatus and preparation method thereof.
Background technology
Whether provide energy according to artificial limb in people's walking process, artificial limb can be divided into passive artificial limb and powered prosthesis.Dynamic below-knee artificial limb provides the people in the process of walking needed energy by initiatively doing work, and the angle that can automatically regulate ankle joint, and the realization of above function depends on motor, power supply and control circuit.After motor and control circuit run into water or dust, can reduce its work efficiency even cisco unity malfunction on the one hand, can cause more energy loss on the other hand, the energy efficiency when the reduction wearer walks.Water proof and dust proof method for dynamic below-knee artificial limb is arranged at present, is that bucker is installed in the rotating shaft of motor, and is installing sealing ring below the bucker with above the end cap.The part that this kind method needs is more and install complexity, has increased the weight of artificial limb integral body.No matter be motor, driving member, the electronic component of artificial limb inside, or the external metallization structural member, all need the water proof and dust proof measure, and the method is difficult to guarantee the normal use of powered prosthesis only for motor.
Summary of the invention
For the problems referred to above, the purpose of this invention is to provide a kind of dynamic below-knee artificial limb dust and water proof apparatus and preparation method thereof.
For achieving the above object, the present invention takes following technical scheme: a kind of dynamic below-knee artificial limb dust and water proof apparatus, it is characterized in that: it comprises a shank clad of fitting with below-knee prosthesis, a foot clad of fitting with the foot artificial limb and one with the ankle form fit and be enclosed within described shank clad and the foot clad outside the ankle clad; Described ankle clad is fixedly connected with foot clad top with described shank clad bottom respectively; Be provided with a through hole on the described shank clad, corresponding with described through hole, be provided with the lid shape clad that can open on the described shank clad, the plug that is provided with and can passes described through hole, fills in the below-knee prosthesis upper shed on the described lid shape clad is stifled.
Described ankle clad is fixedly connected with by gluing or clamp with the foot clad with described shank clad respectively.
The material of described shank clad and described lid shape clad is silica gel material or elastomeric material; The material of described ankle clad is PA or PU or elastomeric material; The material of described foot clad is polyurethane material.
Be coated with greasy filth between described shank clad and the described below-knee prosthesis and between described foot clad and the described foot artificial limb.
Described shank clad completely or partially coats described below-knee prosthesis.
Described ankle clad and described ankle leave the space.
A kind of manufacture method of dynamic below-knee artificial limb dust and water proof apparatus is characterized in that: 1) shape according to below-knee prosthesis is made into a shank clad, and the opening with respect to below-knee prosthesis on the shank clad arranges a through hole; 2) make a lid shape clad according to the shape of through hole, be provided with a plug on the lid shape clad stifled, plug is stifled pass the shank clad through hole, fill in the below-knee prosthesis upper shed; 3) make an ankle clad according to the shape of ankle, make a foot clad according to the shape of foot artificial limb; 4) utilize the elasticity of material itself or fixation clamp that the shank clad is set on the below-knee prosthesis, the foot clad is set on the foot artificial limb; 5) top of ankle clad is fixedly connected with in aggregatesly with the bottom of shank clad, is fixedly connected with in aggregates with the top of foot clad the bottom of ankle clad.
The present invention is owing to taking above technical scheme, it has the following advantages: 1, apparatus of the present invention are owing to opening, ankle and foot artificial limb for below-knee prosthesis, below-knee prosthesis are provided with respectively a clad, clad has not only played the effect of water proof and dust proof, and play the effect of electric insulation, motor, driving member, the electronic component of artificial limb inside have effectively been guaranteed, the steady operation that also has the external metallization structural member, the energy efficiency when therefore guaranteeing the reliability of motion of below-knee prosthesis and motion.2, shank clad of the present invention, lid shape clad, foot clad and ankle clad can whole be changed as consumable accessory or as separate consumable accessory, so the present invention has advantages of that dismounting is easy to use.3, the shank clad of apparatus of the present invention, lid shape clad, foot clad and ankle clad are because the material that adopts is silica gel or PA or PU or elastomeric material or polyurethane material, these materials have advantages of softness, good springiness, mechanical strength is high, ageing-resistant and density is little, so apparatus of the present invention have advantages of that flexible, quality is light, the water proof and dust proof unfailing performance is high.4, apparatus of the present invention are owing to having utilized material itself to be easy to the characteristic of molding, no matter small lot is used the making such as bakelite mould, or the method that large-scale mass production is made of mould and type vacuum injecting and forming machine, all easily realize technically, therefore it is simple that the inventive method has making, easy-operating characteristics.5, apparatus of the present invention are owing to leaving certain space at ankle clad and ankle, therefore when the below-knee prosthesis activity, ankle can activity freely.6, apparatus of the present invention are owing to being coated with greasy filth between shank clad and the below-knee prosthesis and between foot clad and the foot artificial limb, thereby between shank clad and the below-knee prosthesis and the gap between foot clad and the foot artificial limb can not enter dust and water, so apparatus of the present invention have better water proof and dust proof method.Apparatus of the present invention can be widely used in the water proof and dust proof process of various artificial limbs.
Description of drawings
Fig. 1 is the structural representation of dynamic below-knee artificial limb
Fig. 2 is structural representation of the present invention
The specific embodiment
Below in conjunction with drawings and Examples the present invention is described in detail.
As shown in Figure 1, existing dynamic below-knee artificial limb generally comprises a below-knee prosthesis 1, is provided with the opening 2 of a charging or other purposes at below-knee prosthesis 1, connects a foot artificial limb 4 in below-knee prosthesis 1 lower end by an ankle 3.
As shown in Figure 2, apparatus of the present invention comprise a shank clad 5 of fitting with below-knee prosthesis 1, offer a through hole with respect to opening 2 on shank clad 5; Corresponding to through hole, the lid shape clad 6 that the size that can open is slightly larger than through hole is set.Be provided with a plug on the lid shape clad 6 and block up 7, plug stifled 7 can pass through interference fit seal with the opening 2 of below-knee prosthesis 1, to play the effect of water proof and dust proof.Apparatus of the present invention also comprise the foot clad 9 that an ankle clad that matches with the shape of ankle 38, one and foot artificial limb 4 are fitted.The top of ankle clad 8 is connected in aggregates with the bottom of shank clad 5 by gluing, fixation clamp; The bottom of ankle clad 8 is fixedly connected with in aggregates with the top of foot clad 9.Ankle clad 8 works to connect shank clad 5 and foot clad 9.Ankle clad 8 leaves certain space with ankle 3, therefore when below-knee prosthesis is movable, ankle 3 can activity freely.
In above-described embodiment, be coated with greasy filth between shank clad 5 and the below-knee prosthesis 1 and between foot clad 9 and the foot artificial limb 4, can effectively preventing from entering dust and water.
In above-described embodiment, shank clad 5 can according to the needs that use, completely or partially coat at the outer surface of below-knee prosthesis 1.
In above-described embodiment, the material of shank clad 5 and lid shape clad 6 is silica gel material or elastomeric material; The material of ankle clad 8 can be PA, PU or elastomeric material; The material of foot clad 9 is preferably polyurethane material.
In above-described embodiment, the shape of lid shape clad 6 can be rectangle, circle, rhombus etc.
In above-described embodiment, shank clad 5 of the present invention, lid shape clad 6, ankle clad 8 and foot clad 9, small lot can adopt the making such as bakelite mould when using, can adopt mould and type vacuum injecting and forming machine to make during large-scale mass production, and can be used as consumable accessory, regularly change.
The manufacture method of apparatus of the present invention may further comprise the steps as follows:
1) shape according to below-knee prosthesis 1 is made into a shank clad 5, offers a through hole with respect to opening 2 on shank clad 5.
2) make the lid shape clad 6 that a size is slightly larger than through hole according to the shape of through hole, be provided with a plug on the lid shape clad 6 and block up 7, plug stifled 7 can pass through interference fit seal with the opening 2 of below-knee prosthesis 1, to play the effect of water proof and dust proof.
3) make an ankle clad 8 according to the shape of ankle 3, make a foot clad 9 according to the shape of foot artificial limb 4.
4) utilize the elasticity of material itself or fixation clamp that shank clad 5 is set on the below-knee prosthesis 1, foot clad 9 is set on the foot artificial limb 4.
5) top of ankle clad 8 is connected in aggregates with the bottom of shank clad 5 by gluing, fixation clamp, the bottom of ankle clad 8 is fixedly connected with in aggregates with the top of foot clad 9, ankle clad 8 works to connect shank clad 5 and foot clad 9.Ankle clad 8 has certain space with ankle 3, therefore when below-knee prosthesis is movable, ankle can activity freely.
The various embodiments described above only are used for explanation the present invention, and wherein the structure of each parts, connected mode etc. all can change to some extent, and every equivalents and improvement of carrying out on the basis of technical solution of the present invention all should do not got rid of outside protection scope of the present invention.
Claims (10)
1. dynamic below-knee artificial limb dust and water proof apparatus, it is characterized in that: it comprises a shank clad of fitting with below-knee prosthesis, a foot clad of fitting with the foot artificial limb and one with the ankle form fit and be enclosed within described shank clad and the foot clad outside the ankle clad; Described ankle clad is fixedly connected with foot clad top with described shank clad bottom respectively; Be provided with a through hole on the described shank clad, corresponding with described through hole, be provided with the lid shape clad that can open on the described shank clad, the plug that is provided with and can passes described through hole, fills in the below-knee prosthesis upper shed on the described lid shape clad is stifled.
2. a kind of dynamic below-knee artificial limb dust and water proof apparatus as claimed in claim 1, it is characterized in that: described ankle clad is fixedly connected with by gluing or clamp with the foot clad with described shank clad respectively.
3. a kind of dynamic below-knee artificial limb dust and water proof apparatus as claimed in claim 1, it is characterized in that: the material of described shank clad and described lid shape clad is silica gel material or elastomeric material; The material of described ankle clad is PA or PU or elastomeric material; The material of described foot clad is polyurethane material.
4. a kind of dynamic below-knee artificial limb dust and water proof apparatus as claimed in claim 2, it is characterized in that: the material of described shank clad and described lid shape clad is silica gel material or elastomeric material; The material of described ankle clad is PA or PU or elastomeric material; The material of described foot clad is polyurethane material.
5. as claimed in claim 1 or 2 or 3 or 4 a kind of dynamic below-knee artificial limb dust and water proof apparatus is characterized in that: be coated with greasy filth between described shank clad and the described below-knee prosthesis and between described foot clad and the described foot artificial limb.
6. as claimed in claim 1 or 2 or 3 or 4 a kind of dynamic below-knee artificial limb dust and water proof apparatus, it is characterized in that: described shank clad completely or partially coats described below-knee prosthesis.
7. a kind of dynamic below-knee artificial limb dust and water proof apparatus as claimed in claim 5, it is characterized in that: described shank clad completely or partially coats described below-knee prosthesis.
8. such as claim 1 or 2 or 3 or 4 or 7 described a kind of dynamic below-knee artificial limb dust and water proof apparatus, it is characterized in that: described ankle clad and described ankle leave the space.
9. a kind of dynamic below-knee artificial limb dust and water proof apparatus as claimed in claim 5, it is characterized in that: described ankle clad and described ankle leave the space.
10. such as the manufacture method of each described a kind of dynamic below-knee artificial limb dust and water proof apparatus of claim 1～9, it is characterized in that:
1) shape according to below-knee prosthesis is made into a shank clad, and the opening with respect to below-knee prosthesis on the shank clad arranges a through hole;
2) make a lid shape clad according to the shape of through hole, be provided with a plug on the lid shape clad stifled, plug is stifled pass the shank clad through hole, fill in the below-knee prosthesis upper shed;
3) make an ankle clad according to the shape of ankle, make a foot clad according to the shape of foot artificial limb;
4) utilize the elasticity of material itself or fixation clamp that the shank clad is set on the below-knee prosthesis, the foot clad is set on the foot artificial limb;
5) top of ankle clad is fixedly connected with in aggregatesly with the bottom of shank clad, is fixedly connected with in aggregates with the top of foot clad the bottom of ankle clad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210409199.4A CN102871781B (en) | 2012-10-24 | 2012-10-24 | Waterproof and dustproof device for powered below-knee prosthesis and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210409199.4A CN102871781B (en) | 2012-10-24 | 2012-10-24 | Waterproof and dustproof device for powered below-knee prosthesis and production method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102871781A true CN102871781A (en) | 2013-01-16 |
| CN102871781B CN102871781B (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210409199.4A Active CN102871781B (en) | 2012-10-24 | 2012-10-24 | Waterproof and dustproof device for powered below-knee prosthesis and production method thereof |
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| CN (1) | CN102871781B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1817380A1 (en) * | 1968-12-30 | 1970-07-23 | Schuhmagnet Inh I Gebhardt Wwe | Artificial foot spaced from leg stump by air - cushion and foam |
| US3918103A (en) * | 1975-02-10 | 1975-11-11 | Hosmer Dorrance Corp | Knee prosthesis |
| US3953900A (en) * | 1974-02-26 | 1976-05-04 | Chas. A. Blatchford & Sons, Ltd. | Artificial limb with three-part cosmetic covering |
| CN2062614U (en) * | 1990-03-21 | 1990-09-26 | 武军 | Outer sleeve of artificial lag with elastic surface and sealed micropores |
| CN2087064U (en) * | 1991-04-28 | 1991-10-23 | 陈森荣 | Outer cover of artificial limb |
| CN1056429A (en) * | 1990-05-12 | 1991-11-27 | 民政部北京假肢科学研究所 | Skeleton-type artificial leg with simulation skin |
| GB2357725A (en) * | 1999-12-02 | 2001-07-04 | Blatchford & Sons Ltd | Silicone cosmesis |
| CN1980616A (en) * | 2004-05-28 | 2007-06-13 | 奥瑟工程公司 | Functional foot cover |
| CN101106282A (en) * | 2007-04-23 | 2008-01-16 | 刘振华 | Portable large capacity power device |
| CN102596110A (en) * | 2009-10-30 | 2012-07-18 | 奥托·博克保健有限公司 | Artificial limb casing and method for the production thereof |
-
2012
- 2012-10-24 CN CN201210409199.4A patent/CN102871781B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1817380A1 (en) * | 1968-12-30 | 1970-07-23 | Schuhmagnet Inh I Gebhardt Wwe | Artificial foot spaced from leg stump by air - cushion and foam |
| US3953900A (en) * | 1974-02-26 | 1976-05-04 | Chas. A. Blatchford & Sons, Ltd. | Artificial limb with three-part cosmetic covering |
| US3918103A (en) * | 1975-02-10 | 1975-11-11 | Hosmer Dorrance Corp | Knee prosthesis |
| CN2062614U (en) * | 1990-03-21 | 1990-09-26 | 武军 | Outer sleeve of artificial lag with elastic surface and sealed micropores |
| CN1056429A (en) * | 1990-05-12 | 1991-11-27 | 民政部北京假肢科学研究所 | Skeleton-type artificial leg with simulation skin |
| CN2087064U (en) * | 1991-04-28 | 1991-10-23 | 陈森荣 | Outer cover of artificial limb |
| GB2357725A (en) * | 1999-12-02 | 2001-07-04 | Blatchford & Sons Ltd | Silicone cosmesis |
| CN1980616A (en) * | 2004-05-28 | 2007-06-13 | 奥瑟工程公司 | Functional foot cover |
| CN101106282A (en) * | 2007-04-23 | 2008-01-16 | 刘振华 | Portable large capacity power device |
| CN102596110A (en) * | 2009-10-30 | 2012-07-18 | 奥托·博克保健有限公司 | Artificial limb casing and method for the production thereof |
Non-Patent Citations (1)
| Title |
|---|
| WANG Q，ET AL: ""Effects of foot shape on energetic efficiency and dynamic stability of passive dynamic biped with upper body"", 《INTERNATIONAL JOURNAL OF HUMANOID ROBOTICS》, vol. 7, no. 2, 30 June 2010 (2010-06-30), pages 295 - 313 * |
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| Publication number | Publication date |
|---|---|
| CN102871781B (en) | 2014-12-17 |
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