CN102871781B - 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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- CN102871781B CN102871781B CN201210409199.4A CN201210409199A CN102871781B CN 102871781 B CN102871781 B CN 102871781B CN 201210409199 A CN201210409199 A CN 201210409199A CN 102871781 B CN102871781 B CN 102871781B
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- 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
According to artificial limb in people's walking process, whether provide energy, artificial limb can be divided into passive artificial limb and powered prosthesis.Dynamic below-knee artificial limb does work to provide people needed energy in the process of walking by active, and can automatically regulate the angle of ankle joint, and the realization of above function depends on motor, power supply and control circuit.Motor and control circuit run into after water or dust, can reduce even cisco unity malfunction of its work efficiency on the one hand, can cause more energy loss on the other hand, energy efficiency when reduction wearer walks.There is at present the water proof and dust proof method for dynamic below-knee artificial limb, be that bucker is arranged in the rotating shaft of motor, and install sealing ring below bucker with above end cap.Part that this kind of 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 external metallization structural member, all need water proof and dust proof measure, and the method is only for motor, is difficult to guarantee the normal use of powered prosthesis.
Summary of the invention
For the problems referred to above, the object 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 comprise one with the shank clad of below-knee prosthesis laminating, one with the foot clad of foot artificial limb laminating and one with ankle form fit and be enclosed within described shank clad and foot clad outside ankle clad; Described ankle clad is fixedly connected with foot clad top with described shank clad bottom respectively; On described shank clad, be provided with a through hole, corresponding with described through hole, on described shank clad, be provided with the lid shape clad that can open, the plug that is provided with and can passes described through hole, fills in below-knee prosthesis upper shed on described lid shape clad is stifled.
Described ankle clad is fixedly connected with by gluing or clamp with 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.
Between described shank clad and described below-knee prosthesis and between described foot clad and described foot artificial limb, be coated with greasy filth.
Described shank clad is coated described below-knee prosthesis completely or partially.
Described ankle clad and described ankle leave space.
A manufacture method for dynamic below-knee artificial limb dust and water proof apparatus, is characterized in that: 1) according to the shape of below-knee prosthesis, be made into a shank clad, the opening with respect to below-knee prosthesis on shank clad arranges a through hole; 2) according to the shape of through hole, make a lid shape clad, on lid shape clad, be provided with a plug stifled, fill in the stifled through hole through shank clad, fill in below-knee prosthesis upper shed; 3) according to the shape of ankle, make an ankle clad, according to the shape of foot artificial limb, make a foot clad; 4) utilize the elasticity of material itself or fixation clamp that shank clad is set on below-knee prosthesis, foot clad is set on foot artificial limb; 5) top of ankle clad is fixedly connected with in aggregatesly with the bottom of shank clad, and the bottom of ankle clad is fixedly connected with in aggregates with the top of foot clad.
The present invention is owing to taking above technical scheme, it has the following advantages: 1, apparatus of the present invention are because 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 external metallization structural member, the energy efficiency while 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 adopting 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, 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 the inventive method has making simply, easy-operating feature.5, apparatus of the present invention are owing to leaving certain space at ankle clad and ankle, therefore when below-knee prosthesis is movable, ankle can activity freely.6, apparatus of the present invention are owing to being coated with greasy filth between shank clad and below-knee prosthesis and between foot clad and foot artificial limb, thereby the gap between shank clad and below-knee prosthesis and between foot clad and 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.
Accompanying drawing explanation
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 on below-knee prosthesis 1, in below-knee prosthesis 1 lower end, by an ankle 3, connects a foot artificial limb 4.
As shown in Figure 2, apparatus of the present invention comprise one with the shank clad 5 of below-knee prosthesis 1 laminating, on shank clad 5, with respect to opening 2, offer a through hole; Corresponding to through hole, the lid shape clad 6 that the size that can open is slightly larger than through hole is set.On lid shape clad 6, be provided with a plug 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 matching 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, between shank clad 5 and below-knee prosthesis 1 and between foot clad 9 and foot artificial limb 4, be coated with greasy filth, 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 be coated 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 while using, during large-scale mass production, can adopt mould and type vacuum injecting and forming machine to make, and can be used as consumable accessory, regularly change.
The manufacture method of apparatus of the present invention comprises the following steps as follows:
1) according to the shape of below-knee prosthesis 1, be made into a shank clad 5, on shank clad 5, with respect to opening 2, offer a through hole.
2) according to the shape of through hole, make the lid shape clad 6 that a size is slightly larger than through hole, be provided with a plug and block up 7 on lid shape clad 6, 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) according to the shape of ankle 3, make an ankle clad 8, according to the shape of foot artificial limb 4, make a foot clad 9.
4) utilize the elasticity of material itself or fixation clamp that shank clad 5 is set on below-knee prosthesis 1, foot clad 9 is set on 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 are only for illustrating the present invention, and wherein the structure of each parts, connected mode etc. all can change to some extent, and every equivalents of carrying out on the basis of technical solution of the present invention and improvement, all should not get rid of outside protection scope of the present invention.
Claims (8)
1. a dynamic below-knee artificial limb dust and water proof apparatus, it is characterized in that: it comprise one with the shank clad of below-knee prosthesis laminating, one with the foot clad of foot artificial limb laminating and one with ankle form fit and be enclosed within described shank clad and foot clad outside ankle clad; Described ankle clad is fixedly connected with foot clad top with described shank clad bottom respectively; On described shank clad, be provided with a through hole, corresponding with described through hole, on described shank clad, be provided with the lid shape clad that can open, the plug that is provided with and can passes described through hole, fills in below-knee prosthesis upper shed on described lid shape clad is stifled;
Between described shank clad and described below-knee prosthesis and between described foot clad and described foot artificial limb, be coated with greasy filth.
2. a kind of dynamic below-knee artificial limb dust and water proof apparatus as claimed in claim 1, is characterized in that: described ankle clad is fixedly connected with by gluing or clamp with 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, 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, 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. a kind of dynamic below-knee artificial limb dust and water proof apparatus as claimed in claim 1 or 2 or 3 or 4, is characterized in that: described shank clad is coated described below-knee prosthesis completely or partially.
6. a kind of dynamic below-knee artificial limb dust and water proof apparatus as claimed in claim 1 or 2 or 3 or 4, is characterized in that: described ankle clad and described ankle leave space.
7. a kind of dynamic below-knee artificial limb dust and water proof apparatus as claimed in claim 5, is characterized in that: described ankle clad and described ankle leave space.
8. the manufacture method of a kind of dynamic below-knee artificial limb dust and water proof apparatus as described in claim 1～7 any one, is characterized in that:
1) according to the shape of below-knee prosthesis, be made into a shank clad, the opening with respect to below-knee prosthesis on shank clad arranges a through hole;
2) according to the shape of through hole, make a lid shape clad, on lid shape clad, be provided with a plug stifled, fill in the stifled through hole through shank clad, fill in below-knee prosthesis upper shed;
3) according to the shape of ankle, make an ankle clad, according to the shape of foot artificial limb, make a foot clad;
4) utilize the elasticity of material itself or fixation clamp that shank clad is set on below-knee prosthesis, foot clad is set on foot artificial limb;
5) top of ankle clad is fixedly connected with in aggregatesly with the bottom of shank clad, and the bottom of ankle clad is fixedly connected with in aggregates with the top of foot 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 CN102871781A (en) | 2013-01-16 |
| CN102871781B true CN102871781B (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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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| Country | Link |
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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》.2010,第7卷(第2期),第295-313页. * |
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| Publication number | Publication date |
|---|---|
| CN102871781A (en) | 2013-01-16 |
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