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Battery assembly for battery-powered surgical instruments

  • US 8,663,262 B2
  • Filed: 02/08/2011
  • Issued: 03/04/2014
  • Est. Priority Date: 12/03/2007
  • Status: Active Grant
First Claim
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1. In combination with a battery-powered, cordless ultrasonic surgical instrument having:

  • an ultrasonic-signal-generation assembly operable to dynamically produce a resonant wave along an ultrasonic waveguide;

    handles each having a battery chamber and operable to be coupled to different ultrasonic waveguide types, wherein the ultrasonic-signal-generation assembly is connected to the handle; and

    the battery chamber having connectors therewithin electrically connected to the ultrasonic-signal-generation assembly,a battery assembly comprising;

    a housing having an exterior shape formed to removably connect with the battery chamber of the handles, the housing having;

    at least one energy storage cell operable to power the ultrasonic-signal-generation assembly of the surgical instruments; and

    a battery/handle interface having a plurality of connectors shaped to mate with the connectors within each battery chamber; and

    a voltage-control circuit operable to;

    communicatively couple with and provide power to the ultrasonic-signal-generation assembly;

    detect which one of the ultrasonic waveguide types is coupled to the handle connected to the housing;

    provide a first output in response to a detection of a first ultrasonic waveguide type; and

    provide at least a second output in response to a detection of at least a second ultrasonic waveguide type.

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