Patent ID: 9241730
Filing Date: 2016-01-26
CPC Classification: A61B

Claim Text:
1. An apparatus for use in surgery comprising: an ultrasound generator driving an ultrasound transducer; an ultrasound horn attached to an ultrasound transducer; the ultrasound horn having a cutting blade disposed along a longitudinal axis; the cutting blade having a support structure holding a plurality of teeth arranged on a surface, the surface defining a horizontal plane and extending parallel to the longitudinal axis; the teeth extending upwardly from the surface and having a distal surface, a proximal surface, and a cutting edge extending substantially horizontally and partially across the width of the cutting blade in a direction substantially orthogonal to the longitudinal direction; adjacent teeth cooperating to form a kerf wider than the support structure; the teeth disposed along a radial edge of the horn; a primary gullet formed between adjacent teeth interconnecting all teeth along the longitudinal axis; and a plurality of secondary gullets defined by the distal and proximal surface of adjacent teeth wherein at least one of the surfaces defining each secondary gullet is substantially trapezoid shaped.