Sensor arrangements for absolute positioning system for surgical instruments

  • US 9,808,244 B2
  • Filed: 03/14/2013
  • Issued: 11/07/2017
  • Est. Priority Date: 03/14/2013
  • Status: Active Grant
First Claim
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1. An absolute position sensor system for a surgical instrument, the absolute position sensor system comprising:

  • a sensor element operatively coupled to a movable drive member of the surgical instrument;

    a position sensor operably coupled to the sensor element, the position sensor configured to sense the absolute position of the sensor element by generating a unique position signal for each position of the movable drive member; and

    a gear assembly to couple the sensor element to the movable drive member, wherein the gear assembly is located between the sensor element and the movable drive member.

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