Ratchet mechanism for a surgical retractor assembly

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a perspective view of a ratchet mechanism for a surgical retractor assembly showing our new design, the toothed ratchet is shown in broken lines for clarity and forms no part of the invention;

FIG. 2 is a perspective view of the ratchet mechanism for a surgical retractor assembly in the open position;

FIG 3 is a perspective view of the ratchet mechanism for a surgical retractor assembly the pawl in closed position;

FIG. 4 is a sectional view taken along line 4--4 in FIG. 1;

FIG. 5 is a sectional view taken along line 5--5 in FIG. 4; and,

FIG. 6 is an exploded perspective view of the ratchet mechanism for a surgical retractor assembly.

Referenced Cited
U.S. Patent Documents
D361381 August 15, 1995 Koros et al.
4424724 January 10, 1984 Bookwalter
5052373 October 1, 1991 Michelson
5375481 December 27, 1994 Cabrera et al.
Patent History
Patent number: D397791
Type: Grant
Filed: Aug 30, 1996
Date of Patent: Sep 1, 1998
Inventors: Tibor Koros (Moorpark, CA), Gabriel Koros (Moorpark, CA)
Primary Examiner: Doris Clark
Attorney: Richard D. Slehofer
Application Number: 0/59,029
Classifications
Current U.S. Class: Speculum, Dilator Or Retractor (25) (D24/135)
International Classification: 2402;