Safety trocar

Details Safety trocar Safety trocar

A - Human Necessities

61

B

A61B 17/34 (2006.01) A61B 19/00 (2006.01)

Patent

CA 2081927

A safety trocar instrument, for piercing the wall of an anatomical cavity to provide communication with the inside of the cavity, includes a tubular cannula and an elongate trocar having a sharp piercing point. The 2trocar is mounted for axial reciprocal movement within the cannula. In a withdrawn rest position, the point is received within and shielded by the distal end of the cannula. A retraction spring biases the trocar to its withdrawn position.

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