07546940 is referenced by 431 patents and cites 296 patents.

A surgical stapling device is disclosed for performing circular anastomoses. The surgical stapling device includes a handle portion, an elongated body portion and a head portion including an anvil assembly and a shell assembly. The anvil assembly includes a tiltable anvil which will tilt automatically after the device has been fired and unapproximated. The anvil assembly of the stapling device also includes a retainer clip positioned on the anvil head. The retainer clip includes at least one resilient arm which is positioned to engage a cutting ring during unapproximation of the stapling device.

Title
Pivoting anvil assembly for surgical stapling device
Application Number
11/978345
Publication Number
7546940 (B2)
Application Date
October 29, 2007
Publication Date
June 16, 2009
Inventor
Richard D Gresham
Guilford
CT, US
Anthony Dato
East Haven
CT, US
Kevin Sniffin
Danbury
CT, US
Douglas J Cuny
Bethel
CT, US
Bruce K Jankowski
Meriden
CT, US
Keith L Milliman
Bethel
CT, US
Assignee
Tyco Healthcare Group
CT, US
IPC
A61B 17/068
View Original Source