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Control systems for surgical instruments

  • US 10,617,416 B2
  • Filed: 04/06/2017
  • Issued: 04/14/2020
  • Est. Priority Date: 03/14/2013
  • Status: Active Grant
First Claim
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1. A surgical instrument, comprising:

  • a stapling assembly;

    a handle assembly, comprising;

    a power circuit, comprising;

    a power source; and

    a switch;

    a microcontroller coupled to said power circuit;

    an attachment portion; and

    a plurality of inputs, comprisinga first electrical input in signal communication with said microcontroller;

    a second electrical input; and

    a control circuit in signal communication with said microcontroller, wherein said control circuit comprises an attachment sensor configured to detect an attachment state of said attachment portion and said stapling assembly, and wherein said control circuit is configured to communicate the attachment state to said microcontroller;

    wherein said attachment sensor is configured to detect a detached attachment state unless said stapling assembly is attached to said attachment portion, wherein said first electrical input is powered down in the detached attachment state, and wherein said second electrical input is powered up in the detached attachment state.

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