WO2009015473A8 - Hydraulic articulating joint - Google Patents

Hydraulic articulating joint Download PDF

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Publication number
WO2009015473A8
WO2009015473A8 PCT/CA2008/001388 CA2008001388W WO2009015473A8 WO 2009015473 A8 WO2009015473 A8 WO 2009015473A8 CA 2008001388 W CA2008001388 W CA 2008001388W WO 2009015473 A8 WO2009015473 A8 WO 2009015473A8
Authority
WO
WIPO (PCT)
Prior art keywords
joint
articulating joint
angular velocity
resistance
present
Prior art date
Application number
PCT/CA2008/001388
Other languages
French (fr)
Other versions
WO2009015473A1 (en
Inventor
Edward Lemaire
Terris Yakimovich
Jonathan Kofman
Louis Goudreau
Original Assignee
Ottawa Health Research Institute
University Of Ottawa
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 Ottawa Health Research Institute, University Of Ottawa filed Critical Ottawa Health Research Institute
Publication of WO2009015473A1 publication Critical patent/WO2009015473A1/en
Publication of WO2009015473A8 publication Critical patent/WO2009015473A8/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
    • A61F2/68—Operating or control means
    • 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
    • A61F2/64—Knee joints
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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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
    • A61F2/68—Operating or control means
    • A61F2/74—Operating or control means fluid, i.e. hydraulic or pneumatic
    • A61F2/744—Vane- or curved-cylinder type actuators, e.g. actuators using rotary pistons
    • 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
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    • A61F2/68—Operating or control means
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    • A61F2/748—Valve systems
    • A—HUMAN NECESSITIES
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    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
    • A61F5/0102—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations
    • A61F5/0123—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations for the knees
    • A61F5/0125—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations for the knees the device articulating around a single pivot-point
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    • 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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    • A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
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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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    • 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
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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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    • A61F2002/5006—Dampers, e.g. hydraulic damper
    • 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
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    • A61F2005/0132—Additional features of the articulation
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    • A61F2310/00011—Metals or alloys
    • A61F2310/00035—Other metals or alloys
    • A61F2310/00047—Aluminium or Al-based alloys

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

Abstract

The present invention pertains to an articulating joint that delivers a combination of function and structure that permits natural gait in an orthosis and creates unidirectional damping or resistance when exceeding a predetermined angular velocity. The articulating joint of the present invention is autonomous, requiring no external control system to actuate unidirectional resistance to motion. The joint allows free bidirectional motion and impedes joint flexion only when the joint flexes beyond a set angular velocity.
PCT/CA2008/001388 2007-07-27 2008-07-28 Hydraulic articulating joint WO2009015473A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US95236507P 2007-07-27 2007-07-27
CA60/952,365 2007-07-27

Publications (2)

Publication Number Publication Date
WO2009015473A1 WO2009015473A1 (en) 2009-02-05
WO2009015473A8 true WO2009015473A8 (en) 2010-02-18

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CA2008/001388 WO2009015473A1 (en) 2007-07-27 2008-07-28 Hydraulic articulating joint

Country Status (1)

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CN103522301A (en) * 2013-09-30 2014-01-22 中国计量学院 Rotating shaft changing bionic joint driven by pneumatic muscle

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Cited By (4)

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Publication number Priority date Publication date Assignee Title
CN102973337A (en) * 2012-09-25 2013-03-20 电子科技大学 Active knee joint structure with function of load-bearing and self-locking
CN102973337B (en) * 2012-09-25 2015-05-06 电子科技大学 Active knee joint structure with function of load-bearing and self-locking
CN103522301A (en) * 2013-09-30 2014-01-22 中国计量学院 Rotating shaft changing bionic joint driven by pneumatic muscle
CN103522301B (en) * 2013-09-30 2015-07-08 中国计量学院 Rotating shaft changing bionic joint driven by pneumatic muscle

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