07223278 is referenced by 152 patents and cites 154 patents.

A cannula (10) receives surgical instruments (120) for performing a surgical procedure on a body (130). The cannula (10) comprises a tube structure (12) defining a passage (16) through which the surgical instruments (120) are inserted into the body (130). The tube structure (12) has a proximal end (20) and a distal end (62). The tube structure (12) includes an expandable portion (40) for enabling an increase in the cross-sectional area of the passage (16) at the distal end (62). The expandable portion (40) of the tube structure (12), when expanded, has a conical configuration.

Title
Cannula for receiving surgical instruments
Application Number
10/440231
Publication Number
7223278 (B2)
Application Date
May 16, 2003
Publication Date
May 29, 2007
Inventor
Adam Sher
North Attleboro
MA, US
Timothy E Taylor
Hoover
AL, US
Thomas W Davison
North Attleboro
MA, US
Agent
Knobbe Martens Olson & Bear
Assignee
Endius
MA, US
IPC
A61M 29/00
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