Endoscopic surgical instrument with rotatable inner shaft

Details Endoscopic surgical instrument with rotatable inner shaft Endoscopic surgical instrument with rotatable inner shaft

1993-10-06

1995-12-05

Aschenbrenner, Peter A.

Surgery

Instruments

606205, 606 71, 606174, A61B 1700

Patent

active

054724392

ABSTRACT:
A reusable endoscopic surgical instrument includes a handle assembly attached to a slender shaft assembly. The shaft assembly includes inner and outer shafts, with the inner shaft being rotatable by operation of the handle assembly to rotate a surgical tool operably connected to the distal end of a pushrod disposed within the inner shaft. The handle assembly includes first actuating mechanism for actuating the pushrod to operate the surgical tool and a second actuating mechanism for rotating the inner shaft. The outer shaft is axially slidable with respect to the inner shaft to cover a flush port system in the handle assembly for cleaning and improved sterilizability of the instrument.

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