Apparatus for developing an anatomic space for laparoscopic proc

Details Apparatus for developing an anatomic space for laparoscopic proc Apparatus for developing an anatomic space for laparoscopic proc

1997-12-15

1999-12-21

Dawson, Glenn K.

Surgery

Instruments

Blunt dissectors

600204, 600207, A61B 1700

Patent

active

060043377

ABSTRACT:
Apparatus for creating an anatomic space in tissue in a body of a patient using a cannula with proximal and distal extremities and a bore extending therethrough to provide an open end. A balloon having an inflated space is provided. The balloon is capable of assuming collapsed and inflated conditions. A retainer is carried by the balloon for forming the balloon when in a collapsed condition into a generally cylindrical roll to aid in inserting the balloon into the tissue. An obturator shaft having a rounded distal end is sized so that it extends through the cannula and into the roll. A laparoscope can be introduced into the obturator shaft to permit viewing through the obturator shaft and the balloon. An inflation tube is provided for inflating the balloon after it is disposed in the tissue to cause the balloon to progressively expand to create separation forces in the tissue to create the anatomic space.

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