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US 5,562,239 AGranted
Identification device for surgical instrument
AssigneeEthicon Endo-Surgery, Inc.
InventorsAnthony A. Boiarski, Mark T. Byrne, Warren P. Williamson
Life of this patent
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Abstract
A device is provided for sensing the firing of a staple cartridge inserted into an end piece or end effector of a surgical instrument. The stapling instrument includes a magnetic sensing device arranged to sense the advancement of a knife or staple driver.
Claims4
A surgical stapling instrument comprising:
- a removable cartridge containing staples;
- a driving means for firing said staples;
- and
- a sensing means for detecting instrument firing, said sensing means capable of providing an electrical signal indicating an instrument firing
- wherein said sensing means comprises a magnetic element and a magnetic sensor, said magnetic sensor arranged to sense said magnetic element when an instrument firing has occurred and to provide a corresponding signal.
2 more elements
Dependencies are inferred from the claim text.