Trocar needle laparoscopy with a threaded truncated cone bit

Details Trocar needle laparoscopy with a threaded truncated cone bit Trocar needle laparoscopy with a threaded truncated cone bit

1991-05-02

1992-09-15

Rosenbaum, C. Fred

Surgery

Instruments

Cutting, puncturing or piercing

606180, 606185, 604264, 604274, 411411, A61B 1732

Patent

active

051473763

ABSTRACT:
Trocar needle for laparoscopy with a truncated cone bit (1) having at its truncated cone end a cutting blade (2) with a rounded edge arranged obliquely to the axis of the needle and to the plane perpendicular to the axis of the needle which continues with a cutting thread (3) developing in a single turn around the truncated cone tip.

REFERENCES:
patent: 4191191 (1980-03-01), Auburn

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