KR101341958B1 - Apparatus for adjusting ankle angle - Google Patents

Apparatus for adjusting ankle angle Download PDF

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Publication number
KR101341958B1
KR101341958B1 KR1020120037452A KR20120037452A KR101341958B1 KR 101341958 B1 KR101341958 B1 KR 101341958B1 KR 1020120037452 A KR1020120037452 A KR 1020120037452A KR 20120037452 A KR20120037452 A KR 20120037452A KR 101341958 B1 KR101341958 B1 KR 101341958B1
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KR
South Korea
Prior art keywords
elevating
fluid
hole
button
flow
Prior art date
Application number
KR1020120037452A
Other languages
Korean (ko)
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KR20130114973A (en
Inventor
김현철
이석민
송점식
문무성
김도완
유재선
홍범기
Original Assignee
근로복지공단
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 근로복지공단 filed Critical 근로복지공단
Priority to KR1020120037452A priority Critical patent/KR101341958B1/en
Publication of KR20130114973A publication Critical patent/KR20130114973A/en
Application granted granted Critical
Publication of KR101341958B1 publication Critical patent/KR101341958B1/en

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/50Prostheses not implantable in the body
    • A61F2/60Artificial legs or feet or parts thereof
    • A61F2/66Feet; Ankle joints
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/50Prostheses not implantable in the body
    • A61F2/68Operating or control means
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/50Prostheses not implantable in the body
    • A61F2/60Artificial legs or feet or parts thereof
    • A61F2/66Feet; Ankle joints
    • A61F2002/6614Feet
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/50Prostheses not implantable in the body
    • A61F2/68Operating or control means
    • A61F2002/74Operating or control means fluid, i.e. hydraulic or pneumatic
    • A61F2002/745Operating or control means fluid, i.e. hydraulic or pneumatic hydraulic

Abstract

The present invention provides an ankle angle adjusting device. The ankle angle adjusting device includes a lower body having a plurality of lifting members arranged to be liftable along the same axis; A fluid storage unit formed in the lower body, the fluid storing the hydraulic pressure supporting the plurality of lifting members, and having a fluid flow hole forming a flow path of the fluid toward each of the lifting members; An opening and closing portion installed on the lower body to selectively open and close the fluid flow hole by an external force; And an upper body hinged to an upper end of the lower body, and having a lower surface supported by the elevating members, and rotated according to an elevating operation of each elevating member when the fluid flow hole is opened.

Description

Ankle angle adjuster {APPARATUS FOR ADJUSTING ANKLE ANGLE}

The present invention relates to an ankle angle adjusting device, and more particularly to an ankle angle adjusting device that can finely adjust the ankle angle.

In general, artificial limbs are artificially made to suit the appearance or function of some defects of the foot.

The lower limbs, commonly referred to as prostheses, consist of artificial feet, pipe adapters, through pipes, socket adapters, and sockets. Put on the socket liner on the cut part and connect it with the will equipped with the socket.

The will wearer will align the will with a pipe adapter to fit the height of the shoe in everyday life.

However, in the related art, when the user has to take off the house or shoes, the angle of the artificial foot is different by the height of the heel of the shoe, which causes the wearer to walk in an uncomfortable position.

Conventionally, a technology for adjusting the ankle angle has been developed to solve the above problem.

Prior art related to the present invention is Republic of Korea Patent Publication No. 10-2000-0047310 (published on July 25, 2000), the prior art discloses an ankle angle adjustable artificial foot arbitrarily adjustable ankle joint angle This is disclosed.

It is an object of the present invention to provide an ankle angle adjusting device that can make a stable walk by finely adjusting the angle of the ankle according to the height of the heel by only operating and releasing the button when the wearer wears or takes off the shoe. Is in.

In a preferred aspect, the present invention provides an ankle angle adjusting device.

The ankle angle adjusting device includes a lower body having a plurality of lifting members arranged to be liftable along the same axis; A fluid storage unit formed in the lower body, the fluid storing the hydraulic pressure supporting the plurality of lifting members, and having a fluid flow hole forming a flow path of the fluid toward each of the lifting members; An opening and closing portion installed on the lower body to selectively open and close the fluid flow hole by an external force; And an upper body hinged to an upper end of the lower body, and having a lower surface supported by the elevating members, and rotated according to an elevating operation of each elevating member when the fluid flow hole is opened.

The fluid storage unit is formed in the lower body, the plurality of lifting member mounting holes that each lifting member is fitted to be lifted and formed in the lower body, connecting the lifting member mounting holes, the flow path of the fluid The fluid flow hole to form a.

It is preferable that the same axis follows the upper side of the lower body.

It is preferable that the restoring elastic member which elastically supports the lower end of each said elevating member is provided in each said elevating member mounting hole.

The opening and closing portion is provided with a button hole perforated in the lower body to expose the fluid flow hole to the outside of the lower body, and formed in a predetermined length so as to be fitted into the button hole and perform a predetermined stroke along the button hole. And an elastic member for slidingly moving the opening / closing button, a peripheral region of the button hole, and the opening / closing button to return the opening / closing button to its original position.

The opening / closing button includes a rod fitted in the button hole and slidably moved, and provided at an end of the rod, elastically supported by the elastic member, and protruding outside the lower body.

The rod is provided with a cutting groove for opening the fluid flow hole when sliding.

An upwardly convex hemispherical flow support member is disposed at an upper end of each lifting member, and a lower surface of the upper body has a flow groove corresponding to the convex portion of the flow support member, and the convex portion of the flow support member. Is preferably disposed in close contact with the flow groove.

A support rod having a predetermined length is further formed at a lower end of the flow supporting member, and the support rod is inserted at an upper end of each lifting member, and is formed to have a predetermined width wider than a cross sectional area of the support rod. It is preferable that a guide groove is further formed to guide the flow.

The present invention is to support the elevating member installed to be elevated in the lower body and the lower body and the hinge connected to each other by hydraulic pressure, and only by the action and release operation of the opening and closing button, the hydraulic pressure can be easily adjusted, and fine foot angle Has an adjustable effect

In addition, the present invention replaces the pipe adapter mounted on the top of the artificial foot and the ankle angle has an effect that can easily implement fine adjustment.

In addition, the present invention, by pressing the opening and closing button to finely adjust the angle of the artificial foot, when the wearer of the will to wear a foot, in consideration of everyday life has the effect that can be produced according to shoes or sneakers.

1 is a cross-sectional view showing a will-connected structure in which the ankle angle adjusting device of the present invention is adopted.
2 is a perspective view showing an ankle angle adjusting device of the present invention.
3 is a cross-sectional view showing a state before operation of the ankle angle adjusting device of the present invention.
Figure 4 is a cross-sectional view showing a state after the operation of the ankle angle adjusting device of the present invention.
5 is a partial cross-sectional view showing the opening and closing portion according to the present invention.
6 is a cross-sectional view showing the opening and closing portion according to the present invention.

Hereinafter, an ankle angle adjusting device of the present invention will be described with reference to the accompanying drawings.

1 is a cross-sectional view showing a will-connected structure adopting the ankle angle adjusting device of the present invention, Figure 2 is a perspective view showing an ankle angle adjusting device of the present invention.

1 and 2, the ankle angle jaw device of the present invention is largely composed of the lower body 100, the fluid storage unit 200, the opening and closing portion 300, and the upper body 400.

The lower body 100 is provided with a plurality of lifting members 110 to be lifted. Each of the elevating members 110 is installed to be elevated along the same axis. The same axis is along the Z axis.

The fluid storage part 200 is formed in the lower body 100.

The fluid storage unit 200 is filled with a certain amount of fluid such as oil having a predetermined viscosity is stored. The fluid may hydraulically support the plurality of lifting members 110.

In addition, the fluid storage part 200 includes a fluid flow hole 220 that forms a flow path of the fluid capable of flowing the fluid toward the respective elevating members 110.

The configuration of the fluid storage unit 200 will be described in detail.

The fluid storage unit 200 is formed of a plurality of elevating member installation holes 210 and the fluid flow hole 220.

Each of the elevating member installation holes 210 is formed in the lower body 100, the upper end of which is opened upward of the lower body 100 and forms a predetermined depth into the lower body 100.

The elevating member 110 is installed in each of the elevating member mounting holes 210 to be capable of elevating. In particular, the elevating member 110 may be installed to be in close contact with the inner circumference of the elevating member mounting hole 210. This is to prevent the fluid, such as oil to be described later is leaked to the outside of the elevating member installation hole 210.

The fluid flow hole 220 connects each of the elevating member installation holes 210. That is, the fluid flow hole 220 may form a fluid flow path between each of the elevating member installation holes 210.

Therefore, a fluid such as oil may be filled in the fluid flow hole 220 and each lifting member mounting hole 210, and each lifting member 110 may be supported by a predetermined hydraulic pressure by the fluid.

In addition, a restoring elastic member 211 is installed in each of the elevating member mounting holes 210. The resilient elastic member 211 may be a member such as a spring. The restoring elastic member 211 elastically supports the lower end of each elevating member 110 and the lower end of the elevating member mounting hole 210.

The structure of each said elevating member 110 is demonstrated in more detail.

The lifting member 110 may be a hydraulic cylinder.

The elevating member 110 is fitted to the elevating member mounting hole 210, and is formed to have a predetermined length so that the upper end thereof protrudes above the lower body 100.

Here, the hemispherical flow support member 120 is installed at the upper end of the elevating member 110. The upper end of the flow support member 120 is formed in a hemispherical shape convex upward.

The flow supporting member 120 is formed to be flowable at the upper end of the elevating member 110.

In addition, the lower end of the flow support member 120 is further formed a support rod 121 extending downward in a predetermined length. In addition, the guide groove 111 forming a predetermined depth to the lower end of the elevating member 110 is formed.

The support rod 121 is inserted into the guide groove 111 is positioned, it is preferable that the cross-sectional area of the guide groove 111 is formed to be wider than a predetermined size than the cross-sectional area of the support rod.

Therefore, the support rod 121 may be movable in all directions in the state of being inserted into the guide groove 111.

Here, the convex portion of the flow support member 120 is a portion which is in contact with the lower surface of the upper body 400.

A plurality of concave flow grooves 410 are formed at a plurality of positions corresponding to each of the elevating members 110 on the lower surface of the upper body 400.

Each of the flow grooves 410 is a groove into which a convex portion of the flow support member 120 installed at the upper end of each lifting member 110 is fitted.

In addition, the upper body 400 is located above the lower body 100 and is connected to the lower body 100 and the hinge (H). Therefore, the upper body 400 may be rotated from side to side at the upper end of the lower body 100.

On the other hand, the opening and closing part 300 according to the present invention is composed of a button hole 310, the opening and closing button 320, and the elastic member 330.

The button hole 310 is connected to the above-described fluid flow hole 220 at the side of the lower body 100 to expose the fluid flow hole 220 to the side of the lower body 100.

The opening and closing button 320 is fitted to the button hole 310 is installed to be movable sliding. In addition, the circumference of the opening and closing button 320 and the inner circumference of the button hole 310 may be hermetically sealed to prevent fluid leakage. Therefore, an O-ring 340 is provided between the circumference of the open / close button 320 and the inner circumference of the button hole 310.

Here, the opening and closing button 320 is composed of a button 321 and a rod 322 having one end of the button 321.

The rod 322 is fitted into the button hole 310, and the outer portion of the button 321 is formed to protrude to the side of the lower body 100.

The button 321 is formed so that the outer diameter is stepped from the end of the rod 322. The button hole 310 further includes a step groove 311 to which a step formed between the button 321 and the rod 322 can be applied.

In addition, the rod 322 is provided with an elastic member 330 is outer. The elastic member 330 is positioned in the stepped groove 311 to elastically support one surface of the stepped groove 311 and the stepped portion of the button 321.

The elastic member 330 serves to return the button 321 and the rod 322 to the original position.

In particular, the cutting groove 322a is formed around the rod 322.

The cutting groove 322a opens and closes the fluid flow hole 220 between the elevating member installation holes 210 according to the sliding movement of the rod 322, thereby selectively opening or closing the flow path of the fluid. .

For example, when the button 321 is pressed into the button hole 310, the cutout groove 322a opens the fluid flow hole 220 to form a fluid flow path between each lifting member installation hole 210. In releasing the pressing, the button 321 and the rod 322 are returned to their original positions, and the cutting groove 322a is positioned at a position that is blocked from the fluid flow hole 220 to close the fluid flow hole 220. Then, the fluid flow path between the elevating member mounting holes 210 is blocked.

In addition, referring to FIG. 1, an artificial foot 10 may be fitted to a lower end of the lower body 100. The artificial foot fixing screw 500 may be screwed to a plurality of positions around the bottom of the lower body 100.

The artificial foot fixing screws 500 are pressure-fastened with different pressing forces at a plurality of positions around the artificial foot 10 to serve to align and adjust the lower body 100 and the artificial foot 10 with each other. .

Here, reference numeral '20' is a will connection pipe adapter is inserted into the upper body 400, '30' is a will socket.

Next, to explain the operation through the configuration of the ankle angle adjusting device of the present invention.

3 is a cross-sectional view showing a state before operation of the ankle angle adjusting device of the present invention.

Referring to Figure 3, the upper body 400 and the lower body 100 maintains a horizontal state with each other.

At this time, the convex portion of the flow support member 120 disposed on the upper end of each elevating member 110 maintains a state fitted in the flow groove 410 formed on the lower surface of the upper body 400.

In addition, a fluid such as oil having a predetermined viscosity is stored in the fluid storage unit 200, and the fluid is filled in each of the elevating member mounting holes 210 to hydraulically support the lower end of each elevating member 110.

Here, the opening / closing button 320 shown in FIG. 5 maintains a released state. That is, the button maintains the state protruding outward from the button hole 310 due to the elastic force of the elastic member 330, and the cut groove 322a formed in the rod 322 blocks the fluid flow hole 220. Maintain state.

Therefore, the flow path of the fluid between each lifting member mounting hole 210 is closed, so that the fluid filled in each lifting member mounting hole 210 is maintained without flow.

Figure 4 is a cross-sectional view showing a state after the operation of the ankle angle adjustment device of the present invention, Figure 5 is a partial cross-sectional view showing the opening and closing portion according to the present invention, Figure 6 is a cross-sectional view showing the opening and closing portion according to the present invention.

It describes the process of adjusting the angle of the artificial foot 10 is aligned and coupled to the bottom of the lower body (100).

4 and 5, the button 321 protruding to the side of the lower body 100 is pressed to the inside of the button hole 310. At this time, the elastic member 330 is compressed between the stepped groove 311 and the stepped portion of the button 321 to form a resilient elastic force.

The rod 322 moves to the inside of the button hole 310, and the cut groove 322a formed around the rod 322 opens the fluid flow hole 220.

Therefore, the respective elevating member mounting holes 210 may allow fluid to flow through each other due to the opening of the fluid flow hole 220.

In this state, the upper body 400 is rotated to the left or right by an angle. The rotation may be made by the user applying a rotational force to the upper body 400.

As shown in FIG. 4, when the upper body 400 is rotated to the right by an angle, the lifting member 110 installed on the right side of the lower body 100 is pressed by the upper body 400 to be rotated, and the lifting member mounting hole 210 is provided. Descend).

At this time, the restoring elastic member 211 installed at the lower end of the elevating member 110 is compressed, and the fluid is pressed toward the elevating member installation hole 210 on the left side through the fluid flow hole 220 and the cutting groove 322a. Flows.

In addition, the lifting member 110 on the left side is raised upward by the restoring elastic force of the restoring elastic member 211 provided at the lower end thereof.

Here, the convex portion of the flow support member 120 installed on the upper end of each elevating member 110 is elevated in the state fitted to the flow groove 410 formed on the lower surface of the upper body 400.

In addition, each of the flow support members 120 may be easily lifted along the same axis while the upper body 400 is rotated by forming a flowable state at the upper end of each lift member 110.

After the upper body 400 is rotated at a desired angle as described above, when the pressed state of the pressed button 321 is released, the button 321 returns to its original position by the restoring elastic force of the elastic member 330. do. That is, the button 321 is protruded to the side of the lower body 100, the incision groove 322a is released from the fluid flow hole 220 due to the return of the rod 322, the fluid flow hole 220 Can be blocked.

Accordingly, the fluid filled in each of the elevating member mounting holes 210 is stored in the state shown in FIG. 4, and the fluid thereof is hydraulically supported by the lower end of the elevating member 110 located in each of the elevating member mounting holes 210. do.

Therefore, the upper body 400 can maintain the rotated state as described above.

Conversely, when the button 321 is pressed again as described above, when the fluid flow hole 220 is opened, each lifting member 110 is shown in FIG. 3 by the restoring elastic force of each restoring elastic member 211. Can be returned to its original position.

In addition, the fluid flows through the fluid flow hole 220, so that the fluid in each of the elevating member installation hole 210 can be filled in equilibrium with each other.

Accordingly, the embodiment according to the present invention can replace the conventional pipe adapter mounted on the artificial foot and the ankle angle can easily implement fine adjustment.

In addition, the embodiment according to the present invention, by pressing the opening and closing button to fine-tune the artificial foot angle, so that the wearer of the will wearer can be produced according to the shoes or sneakers in consideration of everyday life.

100: lower body 110: elevating member
111: guide groove 120: flow support member
121: support rod 200: fluid reservoir
210: elevating member mounting hole 211: restoring elastic member
220: fluid flow hole 300: opening and closing portion
310: buttonhole 320: opening and closing button
321: button 322: load
322a: cutting groove 330: elastic member
400: upper body

Claims (6)

  1. A lower body having a plurality of elevating members disposed to be movable along the same axis;
    A fluid storage unit formed in the lower body and having a fluid for hydraulically supporting the plurality of lifting members and having a fluid flow hole forming a flow path of the fluid to each of the lifting members;
    An opening and closing portion installed on the lower body to selectively open and close the fluid flow hole by an external force; And
    Ankle angle is hinged to the upper end of the lower body, the lower surface is supported by each of the elevating member, when the fluid flow hole is open, the ankle angle characterized in that it comprises an upper body rotated in accordance with the elevating operation of each elevating member Regulating device.
  2. The method of claim 1,
    The fluid storage unit,
    A plurality of elevating member mounting holes formed in the lower body and into which each of the elevating members is liftable;
    Is formed in the lower body, and provided with the fluid flow hole to form a flow path of the fluid by connecting the respective lifting member installation holes,
    The same axis is an ankle angle adjusting device, characterized in that along the upper side of the lower body.
  3. 3. The method of claim 2,
    In each of the elevating member mounting holes,
    Ankle angle adjustment device characterized in that the restoring elastic member for elastically supporting the lower end of each lifting member.
  4. The method of claim 3, wherein
    The opening /
    A button hole drilled in the lower body to expose the fluid flow hole to the outside of the lower body;
    An opening and closing button which is formed to be inserted into the button hole by forming a predetermined length, and is slidable by making a predetermined stroke along the button hole;
    And an elastic member for elastically supporting the peripheral area of the button hole and the opening / closing button to return the opening / closing button to its original position.
    The opening and closing button is provided with a rod fitted in the button hole and sliding, and provided at an end of the rod, elastically supported by the elastic member, and protruding outside the lower body,
    The rod, ankle angle adjustment device characterized in that the inlet groove is formed to open the fluid flow hole when sliding.
  5. 5. The method of claim 4,
    Hemispherical flow support members which are upwardly convex are disposed on the upper ends of the respective lifting members,
    On the lower surface of the upper body, a flow groove corresponding to the convex portion of the flow support member is formed,
    The convex portion of the flow support member is ankle angle adjusting device, characterized in that closely arranged in the flow groove.
  6. The method of claim 5, wherein
    A lower end of the flow support member is further formed of a support rod of a predetermined length,
    Ankle angle, characterized in that the support rod is inserted into the upper end of each of the lifting members, the guide groove is formed to be wider than the cross-sectional area of the support rod to guide the support rod in all directions. Regulating device.
KR1020120037452A 2012-04-10 2012-04-10 Apparatus for adjusting ankle angle KR101341958B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020120037452A KR101341958B1 (en) 2012-04-10 2012-04-10 Apparatus for adjusting ankle angle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020120037452A KR101341958B1 (en) 2012-04-10 2012-04-10 Apparatus for adjusting ankle angle

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KR101341958B1 true KR101341958B1 (en) 2013-12-16

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100555004B1 (en) 1998-06-05 2006-05-17 재단법인 산재의료관리원 Ankle rotation
WO2007054736A2 (en) 2005-11-14 2007-05-18 Chas. A. Blatchford & Sons Limited An adjustment device for a lower limb prosthesis
WO2008071975A1 (en) 2006-12-14 2008-06-19 Chas A. Blatchford & Sons Limited A prosthetic ankle joint mechanism
JP2008536614A (en) 2005-04-19 2008-09-11 リサ、グラムネスLisa Gramnaes Integrated active and passive prosthetic foot systems and methods for moving such systems

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100555004B1 (en) 1998-06-05 2006-05-17 재단법인 산재의료관리원 Ankle rotation
JP2008536614A (en) 2005-04-19 2008-09-11 リサ、グラムネスLisa Gramnaes Integrated active and passive prosthetic foot systems and methods for moving such systems
WO2007054736A2 (en) 2005-11-14 2007-05-18 Chas. A. Blatchford & Sons Limited An adjustment device for a lower limb prosthesis
WO2008071975A1 (en) 2006-12-14 2008-06-19 Chas A. Blatchford & Sons Limited A prosthetic ankle joint mechanism

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