Orthopaedic hinge mechanism

Details Orthopaedic hinge mechanism Orthopaedic hinge mechanism

1987-04-03

1990-04-10

Pieprz, William

Surgery

Truss

Perineal

128 80C, 128 80F, A61F 300

Patent

active

049150987

ABSTRACT:
An orthopaedic hinge mechanism has a body with at least one pivot and at least one hinge arm mounted thereon and having two cam abutment stops which arise from the said hinge arm either side of and close to the pivot.
Screw adjustment means are housed in threaded holes in the hinge body in the plane of the hinge arms and may be driven down to impinge on the cam abutment stops. The plane of the operating surfaces of the cam abutment stops is at right angles to the axis of the motion limiting screws. The mechanism provides limiting and locking possibilities over a clinically useful range.

REFERENCES:
patent: 2573866 (1951-11-01), Murphy
patent: 4245629 (1981-01-01), Cumming
patent: 4337764 (1982-07-01), Lerman
patent: 4361142 (1982-11-01), Lewis
patent: 4493316 (1985-01-01), Reed
patent: 4502472 (1985-03-01), Pansiera
patent: 4524764 (1985-06-01), Miller et al.
patent: 4599998 (1986-07-01), Castillo
patent: 4655201 (1987-04-01), Pirmantgen
patent: 4657000 (1987-04-01), Hepburn
Published EP Appl. 0 059 472, published 9/8/82.
Rolyan Medical Products, Catalog, 1986, coversheet and p. 24.
Published UK Appl. GB 2,163,352A, published 2/26/86.
Published PCT Appl. WO82/02658, published 8/19/82.
Published UK Appl. GB 2,168,106A, published 6/11/86.

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