Patents Represented by Attorney Susan M. Schmidt

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  • Identification device for surgical instrument
    Patent number: 5529235
    Abstract: A device is provided for identifying certain characteristics of an end piece or end effector of a surgical instrument. A preferred embodiment provides a surgical stapling instrument having an electrical circuit contained on the stapling cartridge which is capable of indicating cartridge type and/or status (i.e., with or without staples) when a voltage or current is applied to the circuit.
    Type: Grant
    Filed: April 28, 1994
    Date of Patent: June 25, 1996
    Assignee: Ethicon Endo-Surgery, Inc.
    Inventors: Anthony A. Boiarski, Mark T. Byrne, Warren P. Williamson