Surgical cutting instrument

Details Surgical cutting instrument Surgical cutting instrument

1995-04-20

1997-07-29

Hafer, Robert A.

Surgery

Instruments

606170, 606171, 606180, A61B 1732

Patent

active

056517815

ABSTRACT:
A surgical cutting instrument for removing objects, such as a pacemaker lead or catheter, embedded in biological tissue. The cutting instrument includes a rigid proximal end and a flexible distal end, the flexible distal end having circular opening and a cutting blade disposed longitudinally therein. A control handle connected to the rigid proximal end and extending radially therefrom provides a force applied to an inner member which extends the cutting blade beyond the circular opening and simultaneously rotates the cutting blade to cut tissue exposed to the blade.

REFERENCES:
patent: 4582056 (1986-04-01), McCorkle, Jr.
patent: 4729763 (1988-03-01), Henrie
patent: 4923462 (1990-05-01), Stevens
patent: 5152744 (1992-10-01), Krause et al.

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