Abstract: Redundant wall retractor is tubular and is obturated for insertion. It has a duct which terminates in an opening at the top of the anterior end and terminates with a tube fitting at the bottom at the posterior end. It is made of dielectric synthetic polymer composition material, preferably transparent to retract tissues during loop electrode excision procedures with the duct positioned for withdrawing smoke.
Type:
Grant
Filed:
April 22, 1991
Date of Patent:
August 4, 1992
Assignee:
Zinnanti Surgical Instruments, Inc.
Inventors:
William J. Zinnanti, Anthony Zinnanti, Jr.