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Ultrasonic surgical instrument blades

  • US 9,339,289 B2
  • Filed: 06/18/2015
  • Issued: 05/17/2016
  • Est. Priority Date: 11/30/2007
  • Status: Active Grant
First Claim
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1. An ultrasonic surgical blade, comprising:

  • a distal end;

    a proximal end, wherein a longitudinal axis extends between said proximal end and said distal end; and

    a cross-section situated intermediate said distal end and said proximal end, wherein said cross-section is defined by a plane which is perpendicular to the longitudinal axis, wherein said cross-section is further defined by a centerline which lies in the plane, and wherein said cross-section comprises;

    a cross-section center of gravity;

    a center portion comprising a center portion center of gravity, wherein said centerline extends through said center portion center of gravity and said cross-section center of gravity; and

    a first cutting portion extending from said center portion, wherein said first cutting portion comprises a first cutting portion center of gravity which is positioned along said centerline, and wherein said first cutting portion is asymmetric relative to said centerline.

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