Joint of orthotic apparatus

Details Joint of orthotic apparatus Joint of orthotic apparatus

1998-09-18

2000-04-04

Apley, Richard J.

Surgery: splint, brace, or bandage

Orthopedic bandage

Splint or brace

602 5, 602 16, 601 34, 623 31, 623 26, 482 51, A61F 500, A61F 300

Patent

active

060455241

ABSTRACT:
A joint for an orthotic apparatus is disclosed. The joint includes a main block having arc-shaped grooves formed on opposite sides and a pair of rails separated by each arc-shaped groove. The joint also includes a pair of carriers slidably mounted on the opposite sides of the main block, each carrier having a main rollers in rolling engagement with the arc-shaped groove and a plurality of side rollers adapted to roll on the rails. Attached to each carrier is an arc-shaped rack arranged concentrically with the arc-shaped groove and a base plate for connecting to a long leg supporting member. The joint further includes a pinion gear installed on a bottom part of the main block and in meshing engagement with each arc-shaped rack, and an electric motor for operating the pinion gear.

REFERENCES:
patent: 3358678 (1967-12-01), Kultsar
patent: 3449769 (1969-06-01), Mizen
patent: 3535711 (1970-10-01), Fick
patent: 3732861 (1973-05-01), Leaneis
patent: 4557257 (1985-12-01), Fernandez
patent: 4697808 (1987-10-01), Larson
patent: 4964628 (1990-10-01), Poplawski
patent: 4969452 (1990-11-01), Petrofsky
patent: 5060640 (1991-10-01), Rassmusson
patent: 5112296 (1992-05-01), Beard
patent: 5282460 (1994-02-01), Boldt
patent: 5658242 (1997-08-01), McKay

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