07721931 is referenced by 414 patents and cites 681 patents.

A surgical instrument is disclosed. The surgical instrument includes a control unit and a staple cartridge including a transponder. The control unit is configured to transmit a first wireless signal to the transponder and to receive a second wireless signal from the transponder to determine one of a first electronic state and a second electronic state of the transponder based on the second wireless signal.

Title
Prevention of cartridge reuse in a surgical instrument
Application Number
11/651768
Publication Number
7721931 (B2)
Application Date
January 10, 2007
Publication Date
May 25, 2010
Inventor
James R Giordano
Milford
OH, US
Frederick E Shelton IV
New Vienna
OH, US
Agent
Dean Garner
Assignee
Ethicon Endo Surgery
OH, US
IPC
A61B 17/068
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