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Powered surgical instrument

  • US 10,357,231 B1
  • Filed: 03/22/2019
  • Issued: 07/23/2019
  • Est. Priority Date: 04/13/2007
  • Status: Active Grant
First Claim
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1. A transmission for a surgical tool, the transmission comprising:

  • a housing;

    a first gear disposed within the housing, the first gear being configured to actuate a first function of the surgical tool;

    a second gear disposed within the housing, the second gear being configured to actuate a second function of the surgical tool;

    a third gear disposed within the housing, the third gear being configured to actuate a third function of the surgical tool;

    a first rotatable input shaft disposed at least partially within the housing;

    a second rotatable input shaft disposed at least partially within the housing, the second rotatable input shaft configured to rotate between a first position, a second position, and a third position,when the second rotatable input shaft is in the first position, the first gear is operatively engaged with the first rotatable input shaft such that rotation of the first rotatable input shaft causes rotation of the first gear to actuate the first function of the surgical tool,when the second rotatable input shaft is in the second position, the second gear is operatively engaged with the first rotatable input shaft such that rotation of the first rotatable input shaft causes rotation of the second gear to actuate the second function of the surgical tool, andwhen the second rotatable input shaft is in the third position, the third gear is operatively engaged with the first rotatable input shaft such that rotation of the first rotatable input shaft causes rotation of the third gear to actuate the third function of the surgical tool;

    one of the first function, the second function, and the third function comprising rotation of an end effector of the surgical tool; and

    a different one of the first function, the second function, and the third function comprising pivoting of a first jaw of the end effector relative to a second jaw of the end effector.

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