Patent ID: 8382782
Filing Date: 2013-02-26
Classification: A61B

Abstract:
1. An ultrasonic surgical instrument, comprising: a housing; an outer sheath supported by said housing and protruding therefrom, said outer sheath having a distal blade opening therein that defines at least one cutting surface, said outer sheath having at least one suction lumen therethrough that communicates with said distal blade opening; an ultrasonic transducer assembly supported by said housing; a blade coupled to said ultrasonic transducer assembly and extending through said outer sheath such that a distal tip of said blade extends into said distal blade opening and wherein a tissue cutting portion thereof protrudes radially out of said distal blade opening; and a motor supported by said housing and coupled to one of said ultrasonic transducer assembly and said outer sheath for applying rotational motion thereto such that said tissue cutting portion of said blade is brought into contact with said at least one cutting surface on said outer sheath.