06800084 is referenced by 216 patents and cites 2 patents.

A method of performing a surgical procedure on a body includes providing a cannula having a tubular structure with first and second tubular portions defining first and second passages for receiving surgical instruments. The second tubular portion is inserted inside the body and the first tubular portion is inserted so that the first tubular portion extends from an exterior of the body to inside the body. The second tubular portion expands to increase the cross-sectional area of the second passage in the second tubular portion while the second tubular portion is inside the body. The cross-sectional area of the first passage in the first tubular portion is maintained. The first tubular portion has a first thickness and the second tubular portion has a second thickness different than the first thickness.

Title
Method for performing a surgical procedure and a cannula for use in performing the surgical procedure
Application Number
9/772605
Publication Number
6800084 (B2)
Application Date
January 30, 2001
Publication Date
October 5, 2004
Inventor
Adam Sher
North Attleboro
MA, US
Timothy E Taylor
Hoover
AL, US
Thomas W Davison
North Attleboro
MA, US
Agent
Tarolli Sundheim Covell & Tummino L
US
Assignee
Endius Incorporated
MA, US
IPC
A61M 29/00
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