Rotatable surgical cutting instrument with positionally adjustab

Details Rotatable surgical cutting instrument with positionally adjustab Rotatable surgical cutting instrument with positionally adjustab

1992-12-10

1994-12-27

Graysay, Tamara L.

Surgery

Instruments

Cutting, puncturing or piercing

606180, 604 22, A61B 1732

Patent

active

053760786

ABSTRACT:
Angular positional adjustment relative to a handpiece is provided for a cutting window located at the distal end of an outer tube in an endoscopic surgical cutting instrument. A two-member hub assembly for the outer tube includes one hub member having a polygonal socket and a second hub member having a polygonal plug. Axial disengagement of the plug and socket permits relative rotation between them to provide alternative engagement positions. One hub member engages the handpiece while the other has the outer tube secured thereto, whereby changes in the angular engagement position between the hub members results in changes of the angular position of the cutting window relative to the handpiece.

REFERENCES:
patent: 2708437 (1955-05-01), Hutchins
patent: 4646738 (1987-03-01), Trott
patent: 4923441 (1990-05-01), Shuler
patent: 5061238 (1991-10-01), Shuler
patent: 5152744 (1992-10-01), Krause et al.
patent: 5160318 (1992-11-01), Shuler
patent: 5217478 (1993-06-01), Rexroth

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