CN112716665A - Ankle disjunction artificial foot board - Google Patents
Ankle disjunction artificial foot board Download PDFInfo
- Publication number
- CN112716665A CN112716665A CN202110017125.5A CN202110017125A CN112716665A CN 112716665 A CN112716665 A CN 112716665A CN 202110017125 A CN202110017125 A CN 202110017125A CN 112716665 A CN112716665 A CN 112716665A
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- China
- Prior art keywords
- foot plate
- screw
- ankle
- connecting piece
- shank
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 210000002683 foot Anatomy 0.000 title claims abstract description 74
- 210000003423 ankle Anatomy 0.000 title claims abstract description 34
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 32
- 239000004917 carbon fiber Substances 0.000 claims abstract description 32
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 30
- 210000004744 fore-foot Anatomy 0.000 claims abstract description 9
- 239000000872 buffer Substances 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 3
- 230000005021 gait Effects 0.000 abstract description 5
- 238000004088 simulation Methods 0.000 abstract description 4
- 230000002708 enhancing effect Effects 0.000 abstract description 2
- 210000001699 lower leg Anatomy 0.000 abstract 3
- 238000002266 amputation Methods 0.000 description 7
- 210000000544 articulatio talocruralis Anatomy 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000004146 energy storage Methods 0.000 description 4
- 210000003414 extremity Anatomy 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/50—Prostheses not implantable in the body
- A61F2/60—Artificial legs or feet or parts thereof
- A61F2/66—Feet; Ankle joints
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/50—Prostheses not implantable in the body
- A61F2/60—Artificial legs or feet or parts thereof
- A61F2/66—Feet; Ankle joints
- A61F2002/6614—Feet
Landscapes
- Health & Medical Sciences (AREA)
- Transplantation (AREA)
- Biomedical Technology (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The invention discloses an ankle disconnection artificial foot plate which comprises a carbon fiber foot plate, a shank connecting piece and an elastic cushion pad, wherein the carbon fiber foot plate comprises a heel area, an arch area and a forefoot area which are sequentially arranged from back to front according to the appearance of a human body foot plate, and the arch area protrudes upwards to form an arch; the crus connecting piece and the elastic cushion pad are respectively positioned on the upper surface and the lower surface of the heel area of the foot and are connected through screws. The ankle disconnection false foot plate disclosed by the invention is mainly used for ankle disconnection patients, the elastic performance of a product is improved due to the arch design of the carbon fiber foot plate, and the shank connecting piece and the elastic cushion pad are detachably connected through the screw, so that the convenience of assembly and debugging is improved; enhancing the arch design to approximate human body simulation; the contact area of the front sole is large, the standing is more stable, the patient uses the ankle disconnecting prosthetic foot plate, the walking gait is more natural, the height of the foot plate is reduced, and meanwhile, the elastic performance and the wearing comfort of the foot plate are enhanced.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an ankle disconnection artificial foot plate.
Background
Due to traffic accidents, diseases and the like, the number of patients with ankle disconnection is increased gradually, and the function of human body loss can be compensated by wearing the ankle joint prosthesis or the artificial foot plate. Because the amputation position of the ankle amputation patient is lower, in order to meet the normal activity requirement of the ankle amputation patient, the overhigh artificial limb or the overhigh artificial foot plate is not beneficial to the self activity of the patient wearing the ankle joint artificial limb or the artificial foot plate.
However, most of the prostheses used by the current patients with amputation under the ankle are passive type ankle joints, the prostheses are made of materials such as rubber and wood, and the molds are matched according to the height of the amputation position of the patients. Because the artificial limb made of materials such as rubber, wood and the like has insufficient flexibility, the self-adaptive capacity of the artificial limb or the artificial foot plate can not be enhanced due to the energy storage, and the use comfort and the flexibility of the disabled are greatly reduced due to weaker elasticity.
Disclosure of Invention
The invention aims to provide an ankle separating prosthetic foot plate which is used for solving the problems of low comfort level and low flexibility of a patient with an ankle joint prosthesis or a prosthetic foot plate due to insufficient energy storage and weak elasticity.
The invention provides an ankle disconnection artificial foot plate which comprises a carbon fiber foot plate, a shank connecting piece and an elastic cushion pad, wherein the carbon fiber foot plate comprises a heel area, an arch area and a forefoot area which are sequentially arranged from back to front according to the appearance of a human body foot plate, and the arch area protrudes upwards to form an arch; the shank connecting piece and the elastic cushion pad are respectively positioned on the upper surface and the lower surface of the heel area, and the shank connecting piece and the elastic cushion pad are connected through screws.
Preferably, the shank connector comprises a connector and a connecting sheet, and the connector is fixedly connected to the upper surface of the connecting sheet and used for butt joint of shanks; the lower surface of the connecting sheet is matched with the bending radian of the upper surface of the heel area, and the lower surface of the connecting sheet is tightly attached to the upper surface of the heel area.
Preferably, the connector comprises a quadrangular frustum pyramid connecting head part and a fixed ring part, the outer end of the quadrangular frustum pyramid connecting head part is thick, the inner end of the quadrangular frustum pyramid connecting head part is thin, and the quadrangular frustum pyramid connecting head part is in an inverted quadrangular frustum shape; the quadrangular frustum pyramid connecting head and the connecting sheet are connected through the fixed ring part to form a whole.
Preferably, the quadrangular frustum pyramid connecting head, the fixed ring portion and the connecting sheet are integrally formed.
Preferably, the screws for connecting the shank connecting piece and the elastic cushion pad comprise a first screw, a second screw and a third screw, the bottom of the shank connecting piece is provided with 3 threaded holes, internal threads are arranged in the threaded holes, the 3 threaded holes are distributed in a triangular mode, 2 threaded holes are only formed in the connecting piece, 3 screw holes are formed in the heel area of the carbon fiber foot plate and the elastic cushion pad, the 3 screw holes correspond to the 3 threaded holes of the shank connecting piece in position, and the first screw, the second screw and the third screw sequentially penetrate through the elastic cushion pad, the 3 screw holes in the heel area of the carbon fiber foot plate and the 3 threaded holes of the shank connecting piece from bottom to top and are in threaded connection.
Preferably, still include the connection gasket, be provided with two screw through holes on the connection gasket, two screw through holes of connection gasket are located respectively the cover with the connection piece is corresponding first screw with on the second screw, just the connection gasket presss from both sides and locates elastic buffer pad with between the heel district of carbon fiber sole.
Compared with the prior art, the invention has the beneficial effects that:
the invention discloses an ankle separating and breaking false foot plate, wherein a carbon fiber foot plate is a carbon fiber energy storage plate made of carbon fibers and the like, is designed according to the appearance of a human foot plate, and comprises a heel area, an arch area and a forefoot area which are sequentially arranged from back to front, wherein the arch area protrudes upwards to form an arch shape, so that the elastic performance of the ankle separating and breaking false foot plate is improved, and the ankle separating and breaking false foot plate bears larger pressure caused by movement and buffers the vibration generated to a body during walking, running and jumping; the design of the forefoot area is beneficial to increasing the contact area of the forefoot area, so that a patient can stand on the ground more stably, and the gradual curve transition of the carbon fiber foot plate ensures that the forefoot area of the carbon fiber foot plate has a thinner deformation area to simulate a smooth rolling transition curve of the foot of a human body; shank connecting piece and elastic cushion are located the upper surface and the lower surface in heel district respectively, and pass through bolted connection between the two, reduce the structure height that this ankle is from breaking false sole, make things convenient for the assembly debugging. The ankle disconnection false foot plate disclosed by the invention is mainly used for ankle disconnection patients, the elastic performance of a product is improved by the arch design, and the shank connecting piece and the elastic cushion pad are detachably connected through the screw, so that the convenience and easiness in assembly and debugging are improved; enhancing the arch design to approximate human body simulation; the contact area of the front sole is large, the standing is more stable, the patient uses the ankle disconnecting prosthetic foot plate, the walking gait is more natural, the height of the foot plate is reduced, and meanwhile, the elastic performance and the wearing comfort of the foot plate are enhanced.
Drawings
FIG. 1 is a schematic structural view of an ankle disconnecting false foot plate provided in embodiment 1 of the present invention;
fig. 2 is an exploded view of an ankle breakaway false foot plate provided in embodiment 1 of the present invention;
fig. 3 is a side plan view of a carbon fiber foot plate provided in embodiment 1 of the present invention;
fig. 4 is a left side view of a carbon fiber foot board provided in embodiment 1 of the present invention;
FIG. 5 is a side plan view of a shank link provided in accordance with embodiment 1 of the present invention;
FIG. 6 is a left side view of a shank link provided in accordance with embodiment 1 of the present invention;
fig. 7 is a schematic view of the elastic cushion pad provided in embodiment 1 of the present invention with a screw and a connecting pad inserted therein.
Detailed Description
The invention aims at the defects of stronger rigidity/insufficient flexibility, weaker elasticity, incapability of storing energy and the like of the existing ankle joint prosthesis or false foot plate in the use process of a patient with ankle disconnection, and obtains the ankle disconnection false foot plate which is convenient to assemble and debug and enables the patient to stand on the ground more stably/walk with more natural gait by controlling the structural height, selecting materials capable of storing energy/elasticity and approaching the shape of a human body simulation design carbon fiber foot plate.
Example 1
Example 1 an ankle disarticulation prosthetic foot plate is provided, the structure of which will be described in detail below.
Referring to fig. 1 and 2, the ankle disconnection prosthetic foot plate comprises a carbon fiber foot plate 1, a shank link 2 and an elastic cushion pad 3.
Referring to fig. 3 and 4, in order to enhance the effect that the ankle separating and breaking prosthetic foot plate can imitate the smooth rolling ground contact of the front sole of a human body and the more natural walking gait, the carbon fiber foot plate 1 is a carbon fiber energy storage plate made of materials including but not limited to carbon fibers and the like, is designed to imitate the appearance of the foot plate of the human body and comprises a heel area 11, an arch area 12 and a front sole area 13 which are sequentially arranged from back to front, and the arch area 12 protrudes upwards to form an arch shape. The design of the arch region 12 improves the elastic performance of the ankle broken false foot plate, is close to human body simulation, and provides buffering and shock absorption for a user; the design of the forefoot region 13 is beneficial to increasing the contact area of the forefoot region 13, providing the human body with dorsiflexion elasticity and enabling the patient to stand and land more stably; the heel region 11 provides plantar flexion for the foot to land on the ground. Therefore, the walking gait of the patient is more natural.
In order to reduce the structural height of the ankle-disconnecting false foot plate as much as possible, provide more application range for lower leg amputation and facilitate assembly and debugging, the lower leg connecting piece 2 and the elastic cushion 3 are respectively positioned on the upper surface and the lower surface of the heel area 11, and the lower leg connecting piece 2 and the elastic cushion 3 are connected through the screw 4.
Specifically, referring to fig. 5 and 6, the shank link 2 comprises a connector 20 and a connecting piece 21, the connector 20 is fixedly connected to the upper surface of the connecting piece 21 for abutting against the human shank or its prosthesis; the lower surface of the connecting piece 21 is matched with the bending radian of the upper surface of the heel area 11, and the lower surface of the connecting piece 21 is tightly attached to the upper surface of the heel area 11.
The connector 20 comprises a quadrangular frustum pyramid connecting head 201 and a fixed ring part 202, wherein the outer end of the quadrangular frustum pyramid connecting head 201 is thick, the inner end of the quadrangular frustum pyramid connecting head is thin, and the quadrangular frustum pyramid connecting head is in an inverted quadrangular frustum shape; the quadrangular frustum connecting head 201 and the connecting sheet 21 are connected by the fixing ring part 202 to form a whole. The quadrangular frustum pyramid connecting head 201 can adopt a standard component of a quadrangular frustum pyramid connecting piece on the market, and can be directly matched with the amputation part.
In order to enhance the overall stability of the prosthetic foot plate and the convenience of detachment and installation, the quadrangular frustum connecting head 201, the fixed ring portion 202 and the connecting piece 21 are integrally formed.
It is worth mentioning that the front end of the connecting piece 21 is round and thin, and the rear end of the connecting piece 21 is square and thick.
Referring to fig. 7, the screws 4 connecting between the shank link 2 and the elastic cushion 3 include a first screw 41, a second screw 42, and a third screw 43, the bottom of the shank link 2 is provided with 3 screw holes, and the screw holes are provided with internal threads, the 3 screw holes are distributed in a triangular shape, wherein, 2 threaded holes are only positioned on the connecting sheet 21, 3 threaded holes are respectively arranged on the heel area 11 of the carbon fiber foot plate 1 and the elastic buffer pad 3, and the 3 screw holes correspond to the 3 screw holes of the shank connector 2, and the first screw 41, the second screw 42 and the third screw 43 sequentially penetrate through the elastic buffer pad 3 and the 3 screw holes of the heel area 11 of the carbon fiber foot plate 1 from bottom to top and are in screwed connection with the 3 screw holes of the shank connector 2 through threads, so that the damage to the carbon fiber foot plate 1 is reduced, and the structural strength of the carbon fiber foot plate 1 is protected.
In order to increase the smoothness between the heel area 11 of the carbon fiber foot plate 1 and the elastic buffer pad 3 and protect the surface of the carbon fiber foot plate 1 from being damaged by the indentation of the screw, the prosthetic foot plate further comprises a connecting gasket 5, two screw through holes are arranged on the connecting gasket 5, the two screw through holes of the connecting gasket 5 are respectively sleeved on a first screw 41 and a second screw 42 which are opposite to the connecting sheet 21, and the connecting gasket 5 is clamped between the elastic buffer pad 3 and the heel area 11 of the carbon fiber foot plate 1.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (6)
1. An ankle disjunction prosthetic foot plate is characterized by comprising a carbon fiber foot plate (1), a shank connecting piece (2) and an elastic cushion pad (3),
the carbon fiber foot plate (1) comprises a heel area (11), an arch area (12) and a forefoot area (13) which are sequentially arranged from back to front according to the appearance of a human foot plate, and the arch area (12) protrudes upwards to form an arch;
the shank connecting piece (2) and the elastic cushion pad (3) are respectively positioned on the upper surface and the lower surface of the heel area (11), and the shank connecting piece (2) and the elastic cushion pad (3) are connected through a screw (4).
2. The ankle breakaway false foot plate of claim 1,
the shank connecting piece (2) comprises a connecting head (20) and a connecting piece (21),
the connector (20) is fixedly connected to the upper surface of the connecting sheet (21) and is used for butting the shank;
the lower surface of the connecting sheet (21) is matched with the bending radian of the upper surface of the heel area (11), and the lower surface of the connecting sheet (21) is tightly attached to the upper surface of the heel area (11).
3. The ankle breakaway false foot plate of claim 2,
the connector (20) comprises a quadrangular frustum pyramid connecting head part (201) and a fixed ring part (202),
the outer end of the quadrangular frustum connecting head (201) is thick, the inner end of the quadrangular frustum connecting head is thin, and the quadrangular frustum connecting head is in an inverted quadrangular frustum shape;
the quadrangular frustum pyramid connecting head (201) and the connecting sheet (21) are connected through the fixed ring part (202) to form a whole.
4. The ankle breakaway false foot plate of claim 3,
the quadrangular frustum pyramid connecting head (201), the fixed ring part (202) and the connecting sheet (21) are integrally formed.
5. The ankle breakaway false foot plate of claim 1,
the screw (4) connecting the shank connector (2) and the elastic cushion pad (3) comprises a first screw (41), a second screw (42) and a third screw (43),
the bottom of the shank connecting piece (2) is provided with 3 threaded holes, internal threads are arranged in the threaded holes, the 3 threaded holes are distributed in a triangular manner, wherein the 2 threaded holes are only positioned on the connecting piece (21),
the heel area (11) of the carbon fiber foot plate (1) and the elastic cushion pad (3) are respectively provided with 3 screw holes, and the 3 screw holes correspond to the 3 screw holes of the shank connecting piece (2),
the first screw (41), the second screw (42) and the third screw (43) sequentially penetrate through the elastic cushion pad (3) and 3 screw holes of the heel area (11) of the carbon fiber foot plate (1) from bottom to top and are in screwed connection with 3 threaded holes of the shank connecting piece (2).
6. The ankle breakaway false foot plate according to claim 5, characterized in that it further comprises an attachment pad (5),
the connecting gasket (5) is provided with two screw through holes, the two screw through holes of the connecting gasket (5) are respectively sleeved on the first screw (41) and the second screw (42) corresponding to the connecting sheet (21), and the connecting gasket (5) is clamped between the elastic buffer pad (3) and the heel area (11) of the carbon fiber foot plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110017125.5A CN112716665A (en) | 2021-01-07 | 2021-01-07 | Ankle disjunction artificial foot board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110017125.5A CN112716665A (en) | 2021-01-07 | 2021-01-07 | Ankle disjunction artificial foot board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112716665A true CN112716665A (en) | 2021-04-30 |
Family
ID=75590981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110017125.5A Pending CN112716665A (en) | 2021-01-07 | 2021-01-07 | Ankle disjunction artificial foot board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112716665A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118529173A (en) * | 2024-07-26 | 2024-08-23 | 上海傅利叶智能科技有限公司 | Sole piece, foot component and humanoid robot |
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| US20040236259A1 (en) * | 2003-05-23 | 2004-11-25 | Pressman Martin M. | Modular ankle-foot orthosis |
| US20110009982A1 (en) * | 2009-02-08 | 2011-01-13 | Steven August King | Spring orthotic device |
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| CN102871782A (en) * | 2012-10-24 | 2013-01-16 | 北京工道风行智能技术有限公司 | Flexible powered below-knee prosthesis |
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| CN111249042A (en) * | 2020-03-04 | 2020-06-09 | 北京工道风行智能技术有限公司 | Stepless adjustable heel energy storage foot |
| CN211356083U (en) * | 2019-06-05 | 2020-08-28 | 广州市康义博假肢矫形技术有限公司 | Artificial limb foot plate structure |
| CN214908702U (en) * | 2021-01-07 | 2021-11-30 | 北京工道风行智能技术有限公司 | Ankle disjunction artificial foot board |
-
2021
- 2021-01-07 CN CN202110017125.5A patent/CN112716665A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20040068328A1 (en) * | 2002-10-08 | 2004-04-08 | Christensen Roland J. | Energy-storing prosthetic foot with elongated forefoot |
| US20040236259A1 (en) * | 2003-05-23 | 2004-11-25 | Pressman Martin M. | Modular ankle-foot orthosis |
| US20110009982A1 (en) * | 2009-02-08 | 2011-01-13 | Steven August King | Spring orthotic device |
| CN202235786U (en) * | 2011-06-27 | 2012-05-30 | 郑州品康假肢矫形器技术有限公司 | Bionic dynamic-ankle carbon-fiber energy-storing prosthetic foot core |
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| CN102871782A (en) * | 2012-10-24 | 2013-01-16 | 北京工道风行智能技术有限公司 | Flexible powered below-knee prosthesis |
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| CN210114544U (en) * | 2019-04-03 | 2020-02-28 | 厦门再奔医疗科技有限公司 | Artificial limb foot plate |
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| CN110711055A (en) * | 2019-11-07 | 2020-01-21 | 江苏科技大学 | Image sensor intelligence artificial limb leg system based on degree of depth learning |
| CN111249042A (en) * | 2020-03-04 | 2020-06-09 | 北京工道风行智能技术有限公司 | Stepless adjustable heel energy storage foot |
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Cited By (1)
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| CN118529173A (en) * | 2024-07-26 | 2024-08-23 | 上海傅利叶智能科技有限公司 | Sole piece, foot component and humanoid robot |
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