Patent ID: 8419759
Filing Date: 2013-04-16
Classification: A61B

Abstract:
1. An ultrasonic surgical instrument, comprising: a handle housing; an outer sheath assembly protruding from said handle housing, said outer sheath assembly having at least one comb-like distal end portion having at least two spaced tooth members protruding therefrom; at least one ultrasonic transducer movably supported by said housing; an ultrasonic blade protruding from said at least one ultrasonic transducer and being movable therewith, said ultrasonic blade having a distal end for movement adjacent to said at least one distal end portion of said outer sheath assembly; and a drive system interacting with said at least one ultrasonic transducer for selectively applying an actuation motion thereto to cause said at least one ultrasonic transducer to move within said handle housing.