Perforating trocar

Details Perforating trocar Perforating trocar

2007-06-08

2011-12-06

Hindenburg, Max (Department: 3736)

Surgery

Diagnostic testing

Sampling nonliquid body material

C600S170000

Reexamination Certificate

active

08070689

ABSTRACT:
The invention concerns the field of surgical instruments. The inventive trocar (1) is of the type comprising a rigid tube (2) wherein may slide a rod (3) with a perforating distal tip, and it is characterized in the distal tip zone of the rod forms a perforating drill capable of rotating on its axis while the distal end of the tube is divided into at least two segments (10, 11), with helical cutting edge. The invention is applicable in particular to bone biopsy.

REFERENCES:
patent: 5330972 (1994-07-01), Cope
patent: 5697935 (1997-12-01), Moran et al.
patent: 5810826 (1998-09-01), Åkerfeldt et al.
patent: 6312432 (2001-11-01), Leppelmeier
patent: 2003/0199879 (2003-10-01), Spranza, III
patent: 2004/0215102 (2004-10-01), Ikehara et al.
patent: 2164277 (1986-03-01), None

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