阅读说明：本技术 一种具有自适应接口的可调义肢 (Adjustable artificial limb with self-adaptive interface ) 是由 刘淑杰 胡德成 于 2021-07-21 设计创作，主要内容包括：本发明公开了一种具有自适应接口的可调义肢,属于义肢领域,一种具有自适应接口的可调义肢,包括义肢主体,义肢主体的上侧设有接触板,接触板包括覆盖层,覆盖层上放置有保护层,保护层与覆盖层之间连接有多个连接杆,义肢主体与接触板之间连接有柔性环和钢骨架,且钢骨架位于柔性环内的中心,柔性环包括固定环,固定环的内壁上固定连接有固定气囊环,固定环的内侧固定连接有弹性膜袋,可以实现通过对义肢上柔性环区域的按压来调节义肢与躯体接触面的压力,使义肢与躯干接触面可间歇分离,使使用者在义肢松动或佩戴不适时,无需拆卸义肢重新安装即可快速进行调整,以减少使用者在长时间佩戴义肢时的不适感。(The invention discloses an adjustable artificial limb with a self-adaptive interface, belonging to the field of artificial limbs, and the adjustable artificial limb with the self-adaptive interface comprises an artificial limb main body, wherein a contact plate is arranged on the upper side of the artificial limb main body, the contact plate comprises a covering layer, a protective layer is arranged on the covering layer, a plurality of connecting rods are connected between the protective layer and the covering layer, a flexible ring and a steel skeleton are connected between the artificial limb main body and the contact plate, the steel skeleton is positioned in the center of the flexible ring, the flexible ring comprises a fixing ring, a fixed air bag ring is fixedly connected on the inner wall of the fixing ring, and an elastic membrane bag is fixedly connected on the inner side of the fixing ring, so that the pressure of the contact surface of the artificial limb and a body can be adjusted by pressing the flexible ring area on the artificial limb, the contact surface of the artificial limb and the body can be intermittently separated, a user can adjust the artificial limb quickly without detaching the artificial limb or reinstalling the artificial limb, so as to reduce the discomfort of the user when wearing the artificial limb for a long time.)

1. An adjustable prosthesis with an adaptive interface, comprising a prosthesis body (1), characterized in that: the upside of artificial limb main part (1) is equipped with contact plate (2), contact plate (2) are including overburden (201), protective layer (202) have been placed on overburden (201), be connected with a plurality of connecting rods (6) between protective layer (202) and overburden (201), be connected with flexible ring (3) and steel skeleton (4) between artificial limb main part (1) and contact plate (2), and steel skeleton (4) are located the center in flexible ring (3), flexible ring (3) are including solid fixed ring (301), fixedly connected with fixed gasbag ring (302) on the inner wall of solid fixed ring (301), the inboard fixedly connected with of solid fixed ring (301) has elastic membrane bag (303), gu fixed ring (301) is gone up and is dug a pair of mounting hole, the fixed connection has elastic pressure membrane (304) in the mounting hole, and elastic pressure membrane and fixed gasbag ring (302) phase-match, be connected with a plurality of evenly distributed's linkage piston lid (5) between the inner wall of fixed gasbag ring (302) and elastic membrane bag (303), install air pump (8) in artificial limb main part (1), the input fixedly connected with shunt tubes of air pump (8), two outputs of shunt tubes insert respectively fixed gasbag ring (302) in with flexible ring (3) and the clearance between steel skeleton (4), the fixed surface of artificial limb main part (1) is connected with and air pump (8) assorted pneumatic valve.

2. The adjustable prosthetic with the adaptive interface of claim 1, wherein: linkage piston lid (5) include with fixed gasbag ring (302) fixed connection's solid fixed cylinder (501), the one end fixedly connected with connecting block (502) of solid fixed gasbag ring (302) are kept away from to solid fixed cylinder (501), sliding connection has slide bar (503) in connecting block (502), the one end fixedly connected with piston lid (504) of connecting block (502) are kept away from to slide bar (503), and piston lid (504) sliding connection is in solid fixed cylinder (501).

3. The adjustable prosthetic with the adaptive interface of claim 1, wherein: connecting rod (6) include with overburden (201) fixed connection's pull rod (601), the one end of pull rod (601) runs through overburden (201) and extends to the space between steel skeleton (4) and flexible ring (3), the one end that contact plate (2) were kept away from in pull rod (601) articulates there is piston rod (602), the top fixedly connected with of artificial limb main part (1) and piston rod (602) assorted piston cylinder (7), piston rod (602) sliding connection is in piston cylinder (7), install in piston cylinder (7) with piston rod (602) assorted compression spring.

4. The adjustable prosthetic with the adaptive interface of claim 1, wherein: inert gas is stored in the fixed air bag ring (302), and a heat insulation film is paved on the inner wall of the fixed air bag ring (302).

5. The adjustable prosthetic with the adaptive interface of claim 1, wherein: the steel skeleton (4) is made of high-strength light steel, and buffers are mounted at two ends of the steel skeleton (4).

6. The adjustable prosthetic with the adaptive interface of claim 1, wherein: the fixed ring (301) and the fixed air bag ring (302) are integrally formed by injection molding, and the fixed ring (301) and the elastic film bag (303) are hermetically sewn.

7. The adjustable prosthetic with the adaptive interface of claim 1, wherein: the lower extreme fixedly connected with flexible magnet ring of protective layer (202), the surface of overburden (201) has been laid flexible fiber bed course, flexible fiber bed course is woven by metal wire and cotton fiber line alternately and is made.

8. The adjustable prosthetic with the adaptive interface of claim 1, wherein: the fixing ring (301) is provided with a mounting hole matched with the fixing air bag ring (302), the elastic pressing film (304) is made of an airtight rubber material, and a waterproof film is laid on the surface of the elastic pressing film (304).

9. An adjustable prosthetic with an adaptive interface as claimed in claim 3, wherein: the opening part of the piston cylinder (7) is provided with a conical wide angle, and the inclination angle of the section of the conical wide angle is 45 degrees.

10. The adjustable prosthetic with the adaptive interface of claim 1, wherein: the protective layer (202) is made of memory cotton, and the covering layer (201) is made of elastic fiber materials.

Technical Field

The present invention relates to the field of prosthetics, and more particularly, to an adjustable prosthetic with an adaptive interface.

Background

Artificial limbs are artificial prostheses, also called "artificial limbs", which are specially designed and assembled to compensate for amputees or incomplete limb defects. It is mainly used for replacing partial function of the lost limb, and recovering a certain self-care and working ability of the amputee. The suitable object is amputee caused by diseases, traffic accidents, industrial accidents, sports injuries and the like.

The artificial limb is made of mainly aluminum plate, wood, leather, plastic and metal mechanical parts. A good artificial limb must have the conditions of good function, comfortable and convenient wearing, portability, durability, appearance similar to that of a healthy limb and the like.

The adaptability of present artificial limb to different wound sections is different, so artificial limb mostly needs to add the filler to compensate when the installation, for example protection pad, cotton etc. and the artificial limb installation can produce wearing and tearing in the use, the filler just can not fine adaptation limbs this moment, thereby lead to the artificial limb not hard up, and also can meet the accident in the use and lead to the artificial limb not hard up, the user all need take off the artificial limb again this moment and adjust again and just can continue to use, it is very inconvenient, so need one kind can accomplish the artificial limb of adjustment when wearing.

Disclosure of Invention

1. Technical problem to be solved

The invention aims to provide an adjustable artificial limb with a self-adaptive interface, which can realize that the pressure of a contact surface of the artificial limb and a body is adjusted by pressing a flexible ring area on the artificial limb, so that the contact surface of the artificial limb and the body can be intermittently separated, a user can quickly adjust the artificial limb without detaching the artificial limb and remounting the artificial limb when the artificial limb is loosened or worn improperly, and the discomfort of the user when wearing the artificial limb for a long time is reduced.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

The utility model provides an adjustable artificial limb with self-adaptation interface, includes the artificial limb main part, the upside of artificial limb main part is equipped with the contact plate, the contact plate includes the overburden, the protective layer has been placed on the overburden, be connected with a plurality of connecting rods between protective layer and the overburden, be connected with flexible ring sum steel skeleton between artificial limb main part and the contact plate, and the steel skeleton is located flexible intra-annular center, flexible ring includes solid fixed ring, fixedly connected with fixed gasbag ring on solid fixed ring's the inner wall, gu fixed ring's inboard fixedly connected with has the elastic membrane bag, gu fixed ring is last to cut a pair of mounting hole, the mounting hole internal fixation is connected with elasticity press mold, and elasticity press mold and fixed gasbag ring phase-match, be connected with a plurality of evenly distributed's linkage piston lid between the inner wall of fixed gasbag ring and elastic membrane bag, install the air pump in the artificial limb main part, the input end of the air pump is fixedly connected with a shunt pipe, two output ends of the shunt pipe are respectively inserted into the fixed air bag ring and a gap between the flexible ring and the steel skeleton, the surface of the prosthesis main body is fixedly connected with an air valve matched with the air pump, the pressure of the contact surface of the prosthesis and the body can be adjusted by pressing the flexible ring area on the prosthesis, the prosthesis and the contact surface of the body can be separated intermittently, a user can adjust the prosthesis quickly when the prosthesis is loosened or worn untimely without detaching the prosthesis and reinstalling the prosthesis, and discomfort of the user when the user wears the prosthesis for a long time is reduced.

Further, the linkage piston lid includes the solid fixed cylinder with solid fixed air bag ring fixed connection, the one end fixedly connected with connecting block that solid fixed air bag ring was kept away from to the solid fixed cylinder, sliding connection has the slide bar in the connecting block, the one end fixedly connected with piston lid of connecting block is kept away from to the slide bar, and piston lid sliding connection can realize behind the extrusion solid fixed air bag ring, makes linkage piston lid promote the inside gas between extrusion flexible ring and the steel skeleton of elastic membrane bag, makes the piston rod pressurization of gas in to the auxiliary frame pole between flexible ring and the steel skeleton, realizes the piston rod downstream, and then makes the pull rod drive the protective layer downstream to realize the separation of protective layer and user truck.

Further, the connecting rod includes the pull rod with overburden fixed connection, the one end of pull rod runs through the overburden and extends to the space between steel skeleton and the flexible ring, the one end that the contact plate was kept away from to the pull rod articulates there is the piston rod, the top fixedly connected with and the piston rod assorted piston cylinder of artificial limb main part, piston rod sliding connection is in the piston cylinder, install in the piston cylinder with piston rod assorted compression spring, after the flexible ring of extrusion, the fixed gasbag ring resets, under the compression spring effect, makes the piston rod reset, and after the gas was taken out by the air pump between flexible ring and steel skeleton, accessible compression spring assisted promotion piston rod further rose to it is inseparabler to make protective layer and truck laminate.

Furthermore, inert gas is stored in the fixed air bag ring, and a heat insulation film is paved on the inner wall of the fixed air bag ring.

Furthermore, the steel skeleton is made of high-strength light steel, and buffers are mounted at two ends of the steel skeleton.

Further, solid fixed ring is moulded plastics with fixed gasbag ring for the integration and is made, gu fixed ring is sewed up with the elasticity membrane bag is sealed, guarantees the leakproofness between fixed gasbag ring and the solid fixed ring, prevents that fixed gasbag intra-annular gas from leaking outward.

Further, the lower extreme fixedly connected with flexible magnet ring of protective layer, flexible fiber bed course has been laid on the surface of overburden, flexible fiber bed course is woven by metal wire and cotton fiber line alternately and is made, makes the outer lane part and the overburden laminating of protective layer, prevents that the protective layer from producing great deformation when moving along with the connecting rod.

Further, it has and fixes gasbag ring assorted mounting hole to open the chisel on solid fixed ring, the elastic pressure membrane of fixed connection in the mounting hole, the elastic pressure membrane is made by airtight rubber materials, and the waterproof membrane has been laid on the surface of elastic pressure membrane, and the elastic pressure membrane compares solid fixed ring easier pressurized deformation, reduces the solid fixed ring 301 of user's installation and makes fixed gasbag ring 302 warp required pressure.

Furthermore, the opening part of the piston cylinder is developed with a conical wide angle, the inclination angle of the section of the conical wide angle is 45 degrees, and external airflow can flow into the piston cylinder conveniently.

Further, the protective layer is made of memory cotton, and the covering layer is made of elastic fiber materials.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) this scheme can realize adjusting the pressure of artificial limb and trunk contact surface through pressing to flexible ring region on the artificial limb, but makes artificial limb and trunk contact surface intermittent type separation, makes the user become flexible at the artificial limb or wear untimely, need not to dismantle the artificial limb and reinstall and can adjust fast to reduce the uncomfortable sense of user when wearing the artificial limb for a long time.

(2) Linkage piston lid includes the solid fixed cylinder with solid fixed air bag ring fixed connection, the one end fixedly connected with connecting block that solid fixed air bag ring was kept away from to the solid fixed cylinder, sliding connection has the slide bar in the connecting block, the one end fixedly connected with piston lid of connecting block is kept away from to the slide bar, and piston lid sliding connection is in solid fixed cylinder, can realize behind the extrusion solid fixed air bag ring, make linkage piston lid promote the inside gas of extrusion flexible ring between elastic membrane bag and the steel skeleton, make the piston rod pressurization of gas in to the auxiliary frame pole between flexible ring and the steel skeleton, realize the piston rod downstream, and then make the pull rod drive the protective layer downstream, thereby realize the separation of protective layer and user truck.

(3) The connecting rod includes the pull rod with overburden fixed connection, the one end of pull rod runs through the overburden and extends to the space between steel skeleton and the flexible ring, the one end that the contact plate was kept away from to the pull rod articulates there is the piston rod, the top fixedly connected with and the piston rod assorted piston cylinder of artificial limb main part, piston rod sliding connection is in the piston cylinder, install in the piston cylinder with piston rod assorted compression spring, after the flexible ring of extrusion, fixed gasbag ring resets, under the compression spring effect, make the piston rod reset, and after gas was taken out by the air pump between flexible ring and steel skeleton, accessible compression spring is supplementary to promote the piston rod and further rises, thereby make protective layer and truck laminating inseparabler.

(4) The lower extreme fixedly connected with flexible magnet ring of protective layer, flexible fiber bed course has been laid on the surface of overburden, and flexible fiber bed course is woven by metal wire and cotton fiber line alternately and is made, makes the outer lane part and the overburden laminating of protective layer, prevents that the protective layer from producing great deformation when moving along with the connecting rod.

(5) The fixed ring is provided with a mounting hole matched with the fixed air bag ring, an elastic pressing film is fixedly connected in the mounting hole, the elastic pressing film is made of an airtight rubber material, a waterproof film is laid on the surface of the elastic pressing film, the elastic pressing film is easier to deform under pressure than the fixed ring, and the pressure required for the fixed air bag ring to deform is reduced when the user installs the fixed ring.

(6) The fixed ring and the fixed air bag ring are integrally molded and manufactured, the fixed ring and the elastic film bag are sealed and sewn, the sealing performance between the fixed air bag ring and the fixed ring is ensured, and the gas in the fixed air bag ring is prevented from leaking.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic view of the structure at A in FIG. 2;

FIG. 4 is a schematic view of the structure at B in FIG. 2;

FIG. 5 is a front view of the present invention;

FIG. 6 is a side view of the present invention;

FIG. 7 is a cross-sectional view of the present invention in use;

fig. 8 is a schematic view of the structure of the elastic film bag of the present invention when compressed.

The reference numbers in the figures illustrate:

1 prosthesis main body, 2 contact plates, 201 covering layers, 202 protective layers, 3 flexible rings, 301 fixing rings, 302 fixing air bag rings, 303 elastic film bags, 304 elastic pressing films, 4 steel frameworks, 5 linkage piston covers, 501 fixing cylinders, 502 connecting blocks, 503 sliding rods, 504 piston covers, 6 connecting rods, 601 pull rods, 602 piston rods and 7 auxiliary frame rods.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the connection can be direct connection or indirect connection through an intermediate medium, and can be communication inside the model adapting element. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-4, an adjustable artificial limb with a self-adaptive interface comprises an artificial limb main body 1, a contact plate 2 is arranged on the upper side of the artificial limb main body 1, the contact plate 2 comprises a covering layer 201, a protective layer 202 is arranged above the covering layer 201, the protective layer 202 is made of memory cotton, the covering layer 201 is made of elastic fiber material, the lower end of the protective layer 202 is fixedly connected with a flexible magnet ring, a flexible fiber cushion layer is laid on the surface of the covering layer 201, the flexible fiber cushion layer is made of metal wires and cotton fiber wires through cross weaving, the outer ring part of the protective layer 202 is attached to the covering layer 201, and the protective layer 202 is prevented from generating large deformation when moving along with a connecting rod 6.

Referring to fig. 2-7, a plurality of connecting rods 6 are connected between the protective layer 202 and the covering layer 201, a flexible ring 3 and a steel skeleton 4 are connected between the artificial limb main body 1 and the contact plate 2, the steel skeleton 4 equally divides the space between the flexible ring 3 and the steel skeleton 4 into two closed spaces (the technician can divide the space into a plurality of spaces according to actual needs, each space needs to be correspondingly provided with a connecting rod 6, a piston cylinder 7, an elastic rubber film 304 and a linked piston cover 5), the steel skeleton 4 is positioned at the center in the flexible ring 3, the flexible ring 3 comprises a fixing ring 301, a fixed air bag ring 302 is fixedly connected on the inner wall of the fixing ring 301, the inner side of the fixing ring 301 is fixedly connected with an elastic film bag 303, the fixing ring is provided with a mounting hole matched with the fixed air bag ring, an elastic pressing film 304 is fixedly connected in the mounting hole, and the elastic pressing film 304 is made of an air-impermeable rubber material, and the waterproof membrane has been laid on the surface of elasticity press mold 304, elasticity press mold 304 compares solid fixed ring and is pressed the deformation more easily, reduce the user and install solid fixed ring 301 and make fixed gasbag ring 302 warp required pressure, be connected with a plurality of evenly distributed's linkage piston lid 5 between the inner wall of fixed gasbag ring 302 and elasticity membrane bag 303, install air pump 8 in the artificial limb main part 1, the input fixedly connected with shunt tubes of air pump 8, insert respectively in fixed gasbag ring 302 and the clearance between flexible ring 3 and the steel skeleton 4 for two output ends of shunt tubes, be connected with the check valve between shunt tubes and the fixed gasbag ring 302, be connected with the output tube between shunt tubes and the clearance between flexible ring 3 and the steel skeleton 4, install the electromagnetism three-way valve on the shunt tubes, two output ends of electromagnetism three-way valve are connected with check valve and output tube respectively, the fixed surface of artificial limb main part 1 is connected with the pneumatic valve with air pump 8 assorted.

Referring to fig. 3-4, the linkage piston cover 5 includes a fixed cylinder 501 fixedly connected to the fixed airbag ring 302, a connecting block 502 is fixedly connected to one end of the fixed cylinder 501 away from the fixed airbag ring 302, a sliding rod 503 is slidably connected to the connecting block 502, a piston cover 504 is fixedly connected to one end of the sliding rod 503 away from the connecting block 502, and the piston cover 504 is slidably connected to the fixed cylinder 501, so that after the fixed airbag ring 302 is squeezed, the linkage piston cover 5 pushes the elastic film bag 303 to squeeze the gas between the flexible ring 3 and the steel skeleton 4, the gas between the flexible ring 3 and the steel skeleton 4 pressurizes the piston rod 602 in the auxiliary frame rod 7, the piston rod 602 moves downward, and the pull rod 601 drives the protective layer 202 to move downward, thereby separating the protective layer 202 from the trunk of the user.

Referring to fig. 3-5, the connecting rod 6 includes a pull rod 601 fixedly connected to the covering layer 201, one end of the pull rod 601 penetrates through the covering layer 201 and extends to a gap between the steel skeleton 4 and the flexible ring 3, one end of the pull rod 601 far away from the contact plate 2 is hinged to a piston rod 602, the top end of the prosthesis body 1 is fixedly connected to a piston cylinder 7 matched with the piston rod 602, the piston rod 602 is slidably connected to the piston cylinder 7, a compression spring matched with the piston rod 602 is installed in the piston cylinder 7, after the flexible ring 3 is extruded, the fixed air bag ring 302 is reset, the piston rod 602 is reset under the action of the compression spring, and after air is pumped out between the flexible ring 3 and the steel skeleton 4 by the air pump 8, the piston rod 602 is pushed to further rise under the assistance of the compression spring, so that the protective layer 202 is attached to the trunk more tightly.

Referring to fig. 7-8, the fixing ring 301 has a mounting hole formed therein for receiving the airbag ring 302, and an elastic pressing film 304 is fixedly connected to the mounting hole, so that the elastic pressing film 304 is more easily deformed than the fixing ring 301, thereby reducing the pressure required by the user to mount the fixing ring 301 to deform the fixing airbag ring 302. Inert gas is stored in the fixed air bag ring 302, and a heat insulation film is paved on the inner wall of the fixed air bag ring 302. The fixed ring 301 and the fixed air bag ring 302 are integrally formed by injection molding, the fixed ring 301 and the elastic film bag 303 are sealed and sewn, the sealing performance between the fixed air bag ring 302 and the fixed ring 301 is ensured, and the gas in the fixed air bag ring 302 is prevented from leaking outwards. The steel skeleton 4 is made of high-strength light steel, and buffers are mounted at two ends of the steel skeleton 4.

This scheme can realize adjusting the artificial limb and the pressure of body contact surface through pressing down to 3 regions of flexible ring on the artificial limb, but make artificial limb and trunk contact surface intermittent type separation, it is not hard up or wear in good time to make the user at the artificial limb, need not to dismantle the artificial limb and reinstall and can adjust fast, the atmospheric pressure of space between 8 regulation steel skeleton 4 of air pump and the flexible ring 3 again can adjust the pressure of contact plate 2 to the limb, and the space is divided into two regions between 4 and the flexible ring 3 of this scheme steel skeleton, through pressing down the local point of 6 pairs of contact plate 2 of connecting rod in the elasticity press mold 304 messenger corresponding region, through 2 points of pair of contact plate applied effort make its multiple spot deformation, make contact plate 2 warp to the shape that more adapts to the trunk interface, in order to reduce the user and wear the uncomfortable sense when artificial limb for a long time.

The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.