Surgical ultrasonic horn
AssigneeSumitomo Bakelite Co., Ltd.
InventorsMorito Idemoto, Yasuo Noguchi
Life of this patent
Estimating the term…
Abstract
A surgical ultrasonic horn used in a surgical operation comprises a horn body and an end plate portion. Cutting portions are provided on an edge and an end of the end portion. A passage for irrigation solution extends in the horn body and the end plate portion. At least one bore opens at the cutting portions by a jet angle of 5.degree. to 90.degree. in respect of a plane of the end plate portion. The irrigation solution passage communicates with the bore, thereby the irrigation solution is sprayed therethrough.
Claims21
A surgical ultrasonic horn adapted to be driven by an ultrasonic oscillation source, comprising:
- a horn body extending along an axis and having a proximal end and a distal end, said proximal end being adapted to be connected to the ultrasonic oscillation source;
- a plate-like working portion ext ending from the distal end of said horn body, said working portion being provided along a first edge with a first cutting portion and along an end thereof with a second cutting portion;
- a first recess being provided in said first cutting portion;
- a passageway extending through said horn body and said working portion, and adapted to be communicated with a liquid source for the passage therethrough of liquid;
- and
- a first bore communicating with said passageway and opening by a jet angle of 5.degree. to 90.degree. in respect of the axis of said horn body, said first bore constituting means for spraying liquid passing from said passageway.
Dependencies are inferred from the claim text.