Endoscopic shaver blade with sharp outer edge

Details Endoscopic shaver blade with sharp outer edge Endoscopic shaver blade with sharp outer edge

1997-06-23

1998-12-01

Buiz, Michael

Surgery

Instruments

Cutting, puncturing or piercing

606170, A61B 1732

Patent

active

058431063

ABSTRACT:
A rotary blade assembly is provided with a stationary outer tube having a cutting window at its distal tip. The window has a curvilinear profile defined by a peripheral rim surrounded entirely by a land surface angled relative to the rim. The inclination of the land produces a sharp edge around the periphery of the window of the outer member. The curvilinear window is produced by a single step manufacturing process which creates the window opening at the same time that the land surrounding the opening is inclined.

REFERENCES:
patent: 4646738 (1987-03-01), Trott
patent: 5160318 (1992-11-01), Shuler
patent: 5364395 (1994-11-01), West, Jr.
patent: 5411514 (1995-05-01), Fucci et al.

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