A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/32 (2006.01)
Patent
CA 2499358
The present invention is an ultrasonic surgical instrument having an altered cross sectional area and/or stiffness of 1/2 wave segments of a waveguide (20) and/or end effector. The waveguide is coupled to an ultrasonic transducer. The 1/2 wave segments of the waveguide or end effector comprise a number of geometries and function to extend or decrease the length of a waveguide and/or end effector without adding or removing wave segments. The present invention is intended to function with conventional ultrasonic transducers at conventional frequencies.
L'invention se rapporte à un instrument chirurgical ultrasonore à section transversale et/ou rigidité modifiée concernant les segments demi-onde d'un guide d'ondes et/ou d'un effecteur terminal. Le guide d'ondes est couplé à un transducteur ultrasonore. Les segments demi-onde du guide d'ondes ou de l'effecteur terminal comprennent un certain nombre de géométries et ont la capacité d'étendre ou de réduire la longueur du guide d'ondes et/ou de l'effecteur terminal, sans adjonction ni suppression de segments demi-onde. L'invention s'applique à des transducteurs ultrasonores classiques aux fréquences classiques.
Ethicon Endo-Surgery Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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