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GB1533796A - Artificial leg - Google Patents

Artificial leg

Info

Publication number
GB1533796A
GB1533796A GB30622/76A GB3062276A GB1533796A GB 1533796 A GB1533796 A GB 1533796A GB 30622/76 A GB30622/76 A GB 30622/76A GB 3062276 A GB3062276 A GB 3062276A GB 1533796 A GB1533796 A GB 1533796A
Authority
GB
United Kingdom
Prior art keywords
rotation
centre
knee
leg
instantaneous centre
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB30622/76A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Blatchford & Sons Ltd C
Original Assignee
Blatchford & Sons Ltd C
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 Blatchford & Sons Ltd C filed Critical Blatchford & Sons Ltd C
Priority to GB30622/76A priority Critical patent/GB1533796A/en
Publication of GB1533796A publication Critical patent/GB1533796A/en
Expired legal-status Critical Current

Links

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
    • A61F2/64—Knee joints
    • A61F2/642—Polycentric joints, without longitudinal rotation
    • A61F2/644—Polycentric joints, without longitudinal rotation of the single-bar or multi-bar linkage type
    • 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
    • A61F2/74—Operating or control means fluid, i.e. hydraulic or pneumatic

Landscapes

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

Abstract

1533796 Artificial leg with polycentric knee joint CHAS A BLATCHFORD & SONS Ltd 20 Oct 1977 [22 July 1976] 30622/76 Heading A5R An artificial leg comprises a polycentric joint knee mechanism formed of a multipivot linkage whose instantaneous centre of rotation at full extension of the leg, i.e. the initial instantaneous centre of rotation, is adjustable in height and lies above the knee centre i.e. the notional stationary centre of rotation about which the leg can be demonstrated to have flexed, at the end of 90‹ of flexion from the fully extended position. The knee mechanism may comprise a 6- bar linkage or, as shown, a 4-bar linkage 1-4 whose initial instantaneous centre of rotation C 0 , Fig. 6, can be varied by altering the length or position of at least one of the links, e.g. by providing a rotatable eccentric pivot. Alternatively it can be varied by an adjustable extension stop which limits the mechanism movement. Such extension stop may be incorporated in a known swing phase coupling 6. The instantaneous centre of rotation is located at the intersection of the projections of links 2, 4.
GB30622/76A 1977-10-20 1977-10-20 Artificial leg Expired GB1533796A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB30622/76A GB1533796A (en) 1977-10-20 1977-10-20 Artificial leg

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB30622/76A GB1533796A (en) 1977-10-20 1977-10-20 Artificial leg

Publications (1)

Publication Number Publication Date
GB1533796A true GB1533796A (en) 1978-11-29

Family

ID=10310538

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30622/76A Expired GB1533796A (en) 1977-10-20 1977-10-20 Artificial leg

Country Status (1)

Country Link
GB (1) GB1533796A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2391707A1 (en) * 1976-09-13 1978-12-22 Blatchford & Sons Ltd ARTIFICIAL LEG
US4310932A (en) * 1978-09-27 1982-01-19 Naeder Max Artificial knee-joint
DE3137652A1 (en) * 1980-09-26 1982-07-15 Chas. A. Blatchford & Sons Ltd., Basingstoke, Hampshire COMPONENT FOR ARTIFICIAL LINKS AND METHOD AND DEVICE FOR ITS PRODUCTION
EP0439028A3 (en) * 1990-01-26 1991-10-09 Otto Bock Orthopaedische Industrie Besitz- Und Verwaltungs-Kommanditgesellschaft Swivelling connection between two parts of an orthopaedic device
WO1996007378A1 (en) * 1994-09-09 1996-03-14 University Of Toledo Improved knee joint mechanism for knee disarticulation prosthesis
WO1996029031A1 (en) * 1995-03-23 1996-09-26 Universiteit Twente Leg prosthesis and knee joint for a leg prosthesis
US5800567A (en) * 1996-03-11 1998-09-01 Ohio Willow Wood Company Knee mechanism for an artificial limb
WO2001045596A1 (en) * 1999-12-21 2001-06-28 Heggemann Gmbh Multiaxis joint, especially artificial knee joint
WO2003092545A2 (en) * 2002-04-16 2003-11-13 medi Bayreuth Weihermüller & Voigtmann GmbH & Co. KG Prosthesis joint having four axial pins
US20100049334A1 (en) * 2007-03-16 2010-02-25 Masahiko Okuda Prosthetic limbs with means capable of reducing torque in the initial period of bend of knee joint

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2391707A1 (en) * 1976-09-13 1978-12-22 Blatchford & Sons Ltd ARTIFICIAL LEG
US4310932A (en) * 1978-09-27 1982-01-19 Naeder Max Artificial knee-joint
DE3137652A1 (en) * 1980-09-26 1982-07-15 Chas. A. Blatchford & Sons Ltd., Basingstoke, Hampshire COMPONENT FOR ARTIFICIAL LINKS AND METHOD AND DEVICE FOR ITS PRODUCTION
EP0439028A3 (en) * 1990-01-26 1991-10-09 Otto Bock Orthopaedische Industrie Besitz- Und Verwaltungs-Kommanditgesellschaft Swivelling connection between two parts of an orthopaedic device
TR27847A (en) * 1990-01-26 1995-09-01 Bock Orthopaed Ind Reversible liaison between two parts of an oropedic-technical auxiliary medium.
DE19581773T1 (en) * 1994-09-09 1997-10-16 Univ Toledo Improved knee joint mechanism for a prosthesis for knee disabilities
GB2307415A (en) * 1994-09-09 1997-05-28 Univ Toledo Improved knee joint mechanism for knee disarticulation prosthesis
WO1996007378A1 (en) * 1994-09-09 1996-03-14 University Of Toledo Improved knee joint mechanism for knee disarticulation prosthesis
US5746774A (en) * 1994-09-09 1998-05-05 The University Of Toledo Knee joint mechanism for knee disarticulation prosthesis
GB2307415B (en) * 1994-09-09 1998-08-12 Univ Toledo Improved knee joint mechanism for knee disarticulation prosthesis
WO1996029031A1 (en) * 1995-03-23 1996-09-26 Universiteit Twente Leg prosthesis and knee joint for a leg prosthesis
US5800567A (en) * 1996-03-11 1998-09-01 Ohio Willow Wood Company Knee mechanism for an artificial limb
WO2001045596A1 (en) * 1999-12-21 2001-06-28 Heggemann Gmbh Multiaxis joint, especially artificial knee joint
US6749640B1 (en) 1999-12-21 2004-06-15 Heggemann Gmbh Multiaxis joint, especially artificial knee joint
WO2003092545A2 (en) * 2002-04-16 2003-11-13 medi Bayreuth Weihermüller & Voigtmann GmbH & Co. KG Prosthesis joint having four axial pins
WO2003092545A3 (en) * 2002-04-16 2004-06-17 Medi Bayreuth Weihermueller & Voigtmann Gmbh & Co Kg Prosthesis joint having four axial pins
US20100049334A1 (en) * 2007-03-16 2010-02-25 Masahiko Okuda Prosthetic limbs with means capable of reducing torque in the initial period of bend of knee joint
US8529634B2 (en) * 2007-03-16 2013-09-10 Nabtesco Corporation Prosthetic limbs with means capable of reducing torque in the initial period of bend of knee joint

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee