Safety device for laparoscopic instruments

Details Safety device for laparoscopic instruments Safety device for laparoscopic instruments

1993-08-30

1994-11-15

Kruter, Jerome L.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604164, 606185, A61M 5178

Patent

active

053643658

ABSTRACT:
A thin bodied elongated surgical instrument for penetrating into a body cavity and thereafter being useful for performing surgical functions disposes an obturator within a cutting cannula. The obturator is spring mounted to retract within the cannula in response to resistance encountered at a body wall, but moves to an extended distal position inside the body cavity. In that position the obturator is manually or automatically locked in axial position, so that means at the extended end can be used in the surgical procedure without danger of cutting internal tissue or organs. This safety device facilitates initial insertion of an insufflation needle, and subsequent insertion and use of other instruments during laparoscopic surgery.

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