Adjustable bipivotal hinge with interdigitating abutment plates

Details Adjustable bipivotal hinge with interdigitating abutment plates Adjustable bipivotal hinge with interdigitating abutment plates

A - Human Necessities

61

F

128/31

A61F 5/01 (2006.01)

Patent

CA 1299455

ADJUSTABLE BIPIVOTAL HINGE WITH INTERDIGITATING ABUTMENT PLATES Abstract of the Disclosure An orthopaedic and orthotic bipivotal hinge assembly having a hinge body and a pair of coplanar and independently- pivotal hinge arms. The proximal end portions of the hinge arms are disposed within the hinge body and have at least one set of interdigitating end plates defining an arrange- ment of abutment surfaces that are coplanar with each other, face generally in the same direction, and are disposed in side-by-side relation, when the arms are in first positions of adjustment (e.g., extension). In one embodiment, a single set of interdigitating plates with one such arrangement of abutment surfaces is provided; in a second embodiment two sets of interdigitating plates with two arrangements of abutment surfaces for controlling both extension and flexion are provided. Continuously variable extension and/or flexion control is achieved by an adjusting screw, or a pair of adjusting screws, carried by the hinge body.

589718

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