阅读说明：本技术 一种踝离断假脚板 (Ankle disjunction artificial foot board ) 是由 王卫刚 朱金营 屠晓光 王启宁 于 2021-01-07 设计创作，主要内容包括：本发明公开了一种踝离断假脚板,包括碳纤脚板、小腿连接件和弹性缓冲垫,碳纤脚板包括仿照人体脚板的外形自后向前依次设置的脚后跟区、足弓区和脚前掌区,且足弓区向上凸起呈弓形；小腿连接件和弹性缓冲垫分别位于脚后跟区的上表面和下表面,且小腿连接件和弹性缓冲垫之间通过螺钉连接。本发明公开的踝离断假脚板,主要针对于踝离断患者使用,碳纤脚板的足弓设计,提高产品弹性性能,小腿连接件和弹性缓冲垫通过螺钉可拆卸连接,提高了装配调试的便易性；增强足弓设计,接近人体仿真；前脚掌接触面积大,站立着地更稳定,患者使用该踝离断假脚板,行走步态更加自然,降低脚板高度的同时并增强脚板的弹性性能和穿戴的舒适性。(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.)

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).

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.