05309927 is referenced by 614 patents and cites 7 patents.

An tissue retention spring for use with a surgical circular stapler used to perform an anastomosis. The tissue retention spring is mounted onto the anvil shaft of the stapler. The spring has a plurality of connected helical coils defining a member having an axial passage therethrough. The spring provides tissue retention, tissue and fluid venting, and improved stapler closing.

Title
Circular stapler tissue retention spring method
Application Number
7/964734
Publication Number
5309927
Application Date
October 22, 1992
Publication Date
May 10, 1994
Inventor
Robert F Welch
Downingtown
PA, US
Agent
E R Skula
Assignee
Ethicon
NJ, US
IPC
A61B 17/115
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