Surgery – Specula – Retractor
Patent
1997-07-01
1999-03-30
Smith, Jeffrey A.
Surgery
Specula
Retractor
403396, A61B 1700
Patent
active
058881972
ABSTRACT:
A cam-operated universal latch joint apparatus is provided. In an embodiment, the joint apparatus includes a cam locking mechanism, as well as a first clamping member and a second clamping member independently positionable with respect to each other. The second clamping member has an upper portion and a lower portion arranged adjacent to each other. A latch is pivotably mounted the upper portion of the second clamping member so that the latch selectively engages the lower portion of the second clamping member. Also, a through rod connecting the cam locking mechanism, the first clamping member and the second clamping member is provided. A bushing is also arranged between the upper portion of the second clamping member and the first clamping member. In an embodiment, the cam locking mechanism includes a handle and a cam connected to the handle and pivotably connected to the through rod so that the cam engages the first clamping member when selectively positioned by the user using the handle.
REFERENCES:
patent: 4949707 (1990-08-01), LeVahn et al.
patent: 5020195 (1991-06-01), LeVahn
patent: 5242240 (1993-09-01), Gorham
patent: 5727899 (1998-03-01), Dobrovolny
patent: 5792046 (1998-08-01), Dobrovolny
Farley Daniel
Mulac Anthony
Smith Jeffrey A.
Thompson Surgical Instruments, Inc.
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