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Control arrangements for a drive member of a surgical instrument

  • US 9,332,987 B2
  • Filed: 03/14/2013
  • Issued: 05/10/2016
  • Est. Priority Date: 03/14/2013
  • Status: Active Grant
First Claim
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1. A method of compensating for the effect of splay in flexible knife bands on transection length of a surgical instrument comprising a processor and a memory, the surgical instrument comprises stored in the memory characterization data representative of a relationship between articulation angle of an end effector and effective transection length distal of an articulation joint, the method comprising:

  • accessing, by the processor, the characterization data from the memory of the surgical instrument;

    tracking, by the processor, the articulation angle of the end effector during use of the surgical instrument; and

    adjusting, by the processor, a target transection length by the surgical instrument based on the tracked articulation angle and the stored characterization data.

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