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    • 10. 发明专利
    • Ultrasonic treatment tool
    • JP4388339B2
    • 2009-12-24
    • JP2003341158
    • 2003-09-30
    • オリンパス株式会社
    • 信弥 増田
    • A61B17/28A61B18/00
    • PROBLEM TO BE SOLVED: To provide an ultrasonic treatment implement which has good assembling and disassembling properties and can suppress a lateral oscillation. SOLUTION: The ultrasonic treatment implement has an oscillation transmission member 56 which transmits ultrasonic oscillation, and a sheath 10 to/from which the oscillation transmission member 56 is attached and detached. The ultrasonic treatment implement additionally has first and second holding members 76a to 76n and 78 restrained by the inner surface of the sheath 10 to hold the oscillation transmission member 56 at a prescribed position in the sheath 10. The first holding members 76a to 76n are provided at the position of the section of the longitudinal oscillation of the oscillation transmission member 56, and the second holding member 78 is provided at the position of the section of the longitudinal oscillation of the oscillation transmission member 56, and of the middle part of the lateral oscillation which can be caused by the oscillation transmission member 56. The second holding member 78 is restrained more strongly than the first holding members 76a to 76n by the inner surface of the sheath 10. COPYRIGHT: (C)2005,JPO&NCIPI