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Ultrasonic surgical instruments

  • US 9,987,033 B2
  • Filed: 12/09/2014
  • Issued: 06/05/2018
  • Est. Priority Date: 03/22/2007
  • Status: Active Grant
First Claim
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1. A surgical instrument, comprising:

  • a transducer configured to produce vibrations along a longitudinal axis;

    an ultrasonic blade extending along the longitudinal axis coupled to the transducer, wherein the ultrasonic blade comprises;

    a body comprising a proximal end, a distal end, and a bottom surface, wherein the distal end is movable relative to the longitudinal axis by the vibrations produced by the transducer; and

    a treatment region extending from the proximal end to the distal end and is located opposite the bottom surface of the body; and

    a protective sheath disposed adjacent to the bottom surface of the ultrasonic blade, wherein a top surface of the protective sheath is positionable directly below the treatment region when the transducer is active and the top surface of the protective sheath is positionable to face the bottom surface of the body of the ultrasonic blade, and wherein the protective sheath is attached to the bottom surface of the ultrasonic blade.

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