Working cannula for arthroscopy

Details Working cannula for arthroscopy Working cannula for arthroscopy

1996-07-29

1998-04-07

Buiz, Michael

Surgery

Instruments

Cutting, puncturing or piercing

604164, A61B 1734

Patent

active

057358672

ABSTRACT:
A working cannula for arthroscopy, in particular of the shoulder and the knee, comprising a tube and a removable closure pin member (trocar) which is guided in the tube, wherein the tube has an external screwthread which is continued by a screwthread of the tip, which projects beyond the tube, of the closure pin member. The closure pin member has a central bore extending therethrough, for receiving a guide wire. The closure pin member locks on to the tube so that when the closure pin is rotated, the tube rotates to facilitate anchoring of the screwthread into a patient.

REFERENCES:
patent: 4573448 (1986-03-01), Kambin
patent: 5258003 (1993-11-01), Ciaglia et al.
patent: 5556411 (1996-09-01), Taoda et al.
patent: 5591190 (1997-01-01), Yoon

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