WO2005117749A3 - Foot prosthesis with resilient multi-axial ankle - Google Patents

Foot prosthesis with resilient multi-axial ankle Download PDF

Info

Publication number
WO2005117749A3
WO2005117749A3 PCT/US2005/017884 US2005017884W WO2005117749A3 WO 2005117749 A3 WO2005117749 A3 WO 2005117749A3 US 2005017884 W US2005017884 W US 2005017884W WO 2005117749 A3 WO2005117749 A3 WO 2005117749A3
Authority
WO
WIPO (PCT)
Prior art keywords
foot
gap
ankle member
resilient
resilient ankle
Prior art date
Application number
PCT/US2005/017884
Other languages
French (fr)
Other versions
WO2005117749A2 (en
Inventor
Arinbjorn Viggo Clausen
Heidrun Gigja Ragnarsdottir
Christophe Guy Lecomte
Hjordis Thorhallsdottir
Original Assignee
Ossur Engineering Inc
Arinbjorn Viggo Clausen
Heidrun Gigja Ragnarsdottir
Christophe Guy Lecomte
Hjordis Thorhallsdottir
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 Ossur Engineering Inc, Arinbjorn Viggo Clausen, Heidrun Gigja Ragnarsdottir, Christophe Guy Lecomte, Hjordis Thorhallsdottir filed Critical Ossur Engineering Inc
Priority to CN2005800252745A priority Critical patent/CN1988861B/en
Priority to EP05753964.5A priority patent/EP1761203B1/en
Publication of WO2005117749A2 publication Critical patent/WO2005117749A2/en
Publication of WO2005117749A3 publication Critical patent/WO2005117749A3/en

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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
    • A61F2/6607—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
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30003—Material related properties of the prosthesis or of a coating on the prosthesis
    • A61F2002/3006—Properties of materials and coating materials
    • A61F2002/30069—Properties of materials and coating materials elastomeric
    • A61F2002/3007—Coating or prosthesis-covering structure made of elastic material, e.g. of elastomer
    • A—HUMAN NECESSITIES
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    • 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
    • A61F2/02—Prostheses implantable into the body
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    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2002/30433—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements using additional screws, bolts, dowels, rivets or washers e.g. connecting screws
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    • A61F2002/30667—Features concerning an interaction with the environment or a particular use of the prosthesis
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    • 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
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    • 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
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    • A61F2002/5009—Prostheses not implantable in the body having elastic means different from springs, e.g. including an elastomeric insert having two or more elastomeric blocks
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    • 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
    • A61F2002/5016—Prostheses not implantable in the body adjustable
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    • A—HUMAN NECESSITIES
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    • A61F2/50—Prostheses not implantable in the body
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    • 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
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    • 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
    • A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
    • A61F2250/0084—Means for distinguishing between left-sided and right-sided devices; Sets comprising both left-sided and right-sided prosthetic parts

Landscapes

  • Health & Medical Sciences (AREA)
  • Transplantation (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Cardiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Prostheses (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Abstract

The present foot prosthesis includes various structural features that provide the foot with advantageous rollover properties. In certain embodiments, the foot guides rollover toward the medial side. For example, an asymmetrical upper element and a correspondingly shaped resilient ankle member support more of the wearer's weight on the lateral side as the foot rolls over. In another embodiment, stiffeners added to the resilient ankle member increase the stiffness on the lateral side relative to the medial side. In certain other embodiments, the foot provides progressively increasing support from mid stance through toe off. For example, a gap between the resilient ankle member and the lower element closes during the later portion of the wearer's gait. The closing gap increases a contact area between the resilient ankle member and the lower element, providing progressively increasing support. In another embodiment, the foot includes a gap between a lower front edge of an attachment adapter and the upper element. The gap may be filled with a resilient material.
PCT/US2005/017884 2004-05-28 2005-05-20 Foot prosthesis with resilient multi-axial ankle WO2005117749A2 (en)

Priority Applications (2)

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CN2005800252745A CN1988861B (en) 2004-05-28 2005-05-20 Foot prosthesis with resilient multi-axial ankle
EP05753964.5A EP1761203B1 (en) 2004-05-28 2005-05-20 Foot prosthesis with resilient multi-axial ankle

Applications Claiming Priority (6)

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US57514204P 2004-05-28 2004-05-28
US60/575,142 2004-05-28
US10/944,436 2004-09-17
US10/944,436 US7347877B2 (en) 2004-05-28 2004-09-17 Foot prosthesis with resilient multi-axial ankle
US10/987,940 US7846213B2 (en) 2004-05-28 2004-11-12 Foot prosthesis with resilient multi-axial ankle
US10/987,940 2004-11-12

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WO2005117749A3 true WO2005117749A3 (en) 2006-06-01

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EP (1) EP1761203B1 (en)
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US7998221B2 (en) 2011-08-16
US20090287315A1 (en) 2009-11-19
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US20070106395A9 (en) 2007-05-10
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US20050267603A1 (en) 2005-12-01
US7347877B2 (en) 2008-03-25
US20090306792A1 (en) 2009-12-10
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US8025699B2 (en) 2011-09-27
US9668887B2 (en) 2017-06-06

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