Surgical instrument battery comprising a plurality of cells

  • US 10,188,393 B2
  • Filed: 08/07/2013
  • Issued: 01/29/2019
  • Est. Priority Date: 09/17/2010
  • Status: Active Grant
First Claim
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1. A surgical instrument system, comprising:

  • a surgical instrument comprising;

    an open electrical circuit;

    a contactor;

    a first electrode; and

    a second electrode, wherein said first and second electrodes are electrically coupled to said open electrical circuit;

    a battery pack, comprising;

    a third electrode;

    a fourth electrode;

    a first battery cell;

    a second battery cell, wherein said fourth electrode is electrically coupled to said first battery cell; and

    an open portion disposed between said first battery cell and said second battery cell; and

    a switch comprising said contactor and said open portion,wherein electrical contact is established between said first electrode and said third electrode and between said second electrode and said fourth electrode when said battery pack is attached to said surgical instrument,wherein said switch is operative between an open state and a closed state, wherein said first battery cell and said second battery cell are electrically isolated during said open state, and are in electrical communication during said closed state,wherein said switch is configured in said open state prior to attachment of said battery pack to said surgical instrument, and is configured to transition to said closed state upon attachment of said battery pack to said surgical instrument, and wherein said contactor of said surgical instrument is in electrical contact with said open portion of said battery pack upon attachment of said battery pack to said surgical instrument.

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