WO1984000682A1 - Mecanisme d'articulation du genou pour une jambe artificielle - Google Patents

Mecanisme d'articulation du genou pour une jambe artificielle Download PDF

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Publication number
WO1984000682A1
WO1984000682A1 PCT/JP1983/000266 JP8300266W WO8400682A1 WO 1984000682 A1 WO1984000682 A1 WO 1984000682A1 JP 8300266 W JP8300266 W JP 8300266W WO 8400682 A1 WO8400682 A1 WO 8400682A1
Authority
WO
WIPO (PCT)
Prior art keywords
shaft
knee
clamping
knee joint
joint mechanism
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.)
Ceased
Application number
PCT/JP1983/000266
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
Itsuro Takahama
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO1984000682A1 publication Critical patent/WO1984000682A1/ja
Anticipated expiration legal-status Critical
Ceased 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
    • A61F2/68—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
    • 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
    • A61F2002/5007—Prostheses not implantable in the body having elastic means different from springs, e.g. including an elastomeric insert

Definitions

  • Invention relating to a prosthetic foot having a structure for giving elasticity to the knee by mitigating the risk of knee breakage for a user of a prosthetic foot
  • the knee joint has a supporting foot; during the phase, the upper body is securely supported;
  • a conventional prosthesis uses a friction clutch that operates when a load is applied to the knee and is released when the knee is unloaded.
  • the prosthetic limb walk in a way that does not break the knee?
  • the operation is unnatural.
  • a healthy person softens the impact of landing by bending his knees slightly when landing, but this is not possible with conventional prostheses. Therefore, we have invented a knee joint mechanism that can significantly increase cracking and give elasticity to the knee.
  • Fig. 1 is an explanatory diagram of changes in the posture of the right body during one cycle of human walking
  • Fig. 2 shows the conventional knee joint mechanism of a prosthesis.
  • FIG. 3 shows an embodiment of the present invention.
  • Fig. 4 is a perspective view of the embodiment.
  • Friction circle 4 3 ⁇ ⁇ ⁇ elastic body
  • the upper disk clamp (5.1) and the f disk clamp (5.2) are placed at the center of the n knee, and the disk clamps protruding left and right from them.
  • the left and right two friction disks (2a) are tightened at the part.
  • the center of the upper disk is removed from above, and the elastic body (4a) is placed there.
  • the "F" part of the thigh surrounding part (3) that compresses it from above is also on It is in the closing of the yen].

Landscapes

  • Health & Medical Sciences (AREA)
  • Cardiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Prostheses (AREA)
PCT/JP1983/000266 1982-08-12 1983-08-12 Mecanisme d'articulation du genou pour une jambe artificielle Ceased WO1984000682A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57141584A JPS5932450A (ja) 1982-08-12 1982-08-12 義足の膝関節機構

Publications (1)

Publication Number Publication Date
WO1984000682A1 true WO1984000682A1 (fr) 1984-03-01

Family

ID=15295393

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1983/000266 Ceased WO1984000682A1 (fr) 1982-08-12 1983-08-12 Mecanisme d'articulation du genou pour une jambe artificielle

Country Status (2)

Country Link
JP (1) JPS5932450A (enExample)
WO (1) WO1984000682A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2214086A (en) * 1988-01-21 1989-08-31 Hanger & Co Ltd J E Knee prosthesis with stance control.

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63264263A (ja) * 1987-04-21 1988-11-01 Mazda Motor Corp 鋳物の冷却搬送装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5234875B2 (enExample) * 1974-06-14 1977-09-06
JPS5246432B2 (enExample) * 1972-06-10 1977-11-24

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1047975A (en) * 1975-09-10 1979-02-06 Wayne E. Kleiner Shock absorbing container
JPS5246432A (en) * 1975-10-11 1977-04-13 Fuji Electric Co Ltd Electric equipment for oil-immersion type high voltge ac/dc converter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5246432B2 (enExample) * 1972-06-10 1977-11-24
JPS5234875B2 (enExample) * 1974-06-14 1977-09-06

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2214086A (en) * 1988-01-21 1989-08-31 Hanger & Co Ltd J E Knee prosthesis with stance control.

Also Published As

Publication number Publication date
JPS6153061B2 (enExample) 1986-11-15
JPS5932450A (ja) 1984-02-21

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