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Wireless force sensor on a distal portion of a surgical instrument and method

  • US 9,943,375 B2
  • Filed: 12/16/2013
  • Issued: 04/17/2018
  • Est. Priority Date: 12/30/2005
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a surgical instrument comprising;

    a distal end including a jaw portion, the jaw portion having an external surface including a contact surface and a non-contact surface, the contact surface extending between a first lengthwise edge and a second lengthwise edge, the non-contact surface extending around the jaw portion from the first lengthwise edge to the second lengthwise edge, the non-contact surface having a recess extending from the non-contact surface into the jaw portion anda force sensor mounted in the recess of the non-contact surface, the force sensor comprising;

    a wireless package comprising a surface acoustic wave strain sensor and a folded antenna, the folded antenna being electrically coupled to the surface acoustic wave strain sensor, the surface acoustic wave strain sensor including identification information of said surgical instrument.

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