06497687 is referenced by 53 patents and cites 1 patents.

A surgical device for endoscopic surgical procedures capable of preventing injuries to internal organs during insertion. The surgical device can include one or more of the following: a multiple system of sharp blade edges, a mechanical tissue protection device that includes a series of thin plastic guards sliding along the sides of the planar knives and having an angle between their edges smaller than that of the cutting knife edges, one or more fixed conical deflectors to expand the cut tissue passage leaving the guards to contact tissue contact only at their tips, an insufflation passage configured to transport fluid into the body cavity during penetration, a locking system for the guards that prevents accidental reuse of the cutting features, and/or an ergonomic design which facilitates handling.

Title
Safety trocar with progressive cutting tip guards and gas jet tissue deflector
Application Number
9/598453
Publication Number
6497687 (B1)
Application Date
June 22, 2000
Publication Date
December 24, 2002
Inventor
Ernesto E Blanco
Belmont
MA, US
Agent
Oblon Spivak McClelland Maier & Neustadt P C
US
Assignee
Erblan Surgical
MA, US
IPC
A61M 5/32
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