Surgery: splint – brace – or bandage – Orthopedic bandage – Splint or brace
Patent
1997-01-31
1998-06-30
Dvorak, Linda C.
Surgery: splint, brace, or bandage
Orthopedic bandage
Splint or brace
602 21, 602 26, A61F 500
Patent
active
057726191
ABSTRACT:
A rotatable brace for a prothesis includes a pair of straps, each one connected to one of two wrapping supports secured on opposite sides of an ankle or wrist joint, a pivot joint including a pivot pin connecting the straps, a washer of polytetrafluoroethylene material interposed between the straps and surrounding the pivot pin and having a plurality of ports positioned radially outwardly of the pivot pin, with one end of one strap being of reduced width and having a semicircular end, shoulders joining the portion of reduced width with the main part of the strap, a number of threaded ports in the other of the straps axially aligned with respect to the ports in the washer, and a pair of screws passing through selected ports in the washer and threadedly engaged with the aligned threaded ports such that the brace can be rotated only until the shoulders abut against the heads of the screws. A hard impact of a shoulder against one of the screw heads causes a slight deflection of the screw within a port of the washer, permitting some resilience or "give" and reducing the impact against the pivot pin and the reduced width portion of the strap having the semicircular end.
REFERENCES:
patent: 3708859 (1973-01-01), Bitney
patent: 3902482 (1975-09-01), Taylor
patent: 4088130 (1978-05-01), Applegate
patent: 4353361 (1982-10-01), Foster
patent: 4428369 (1984-01-01), Peckham et al.
patent: 4969452 (1990-11-01), Petrofsky et al.
patent: 5086760 (1992-02-01), Neumann et al.
patent: 5292303 (1994-03-01), Bastyr et al.
patent: 5409449 (1995-04-01), Nebolon
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