发明授权
EP1041932B1 ULTRASONIC PROBE WITH ISOLATED OUTER CANNULA 失效
具有隔离AÜSSERER针超声波探头

ULTRASONIC PROBE WITH ISOLATED OUTER CANNULA
摘要:
This invention is an electronic surgical probe (10) including an axially elongated member (12) adapted to receive ultrasonic vibrations from an ultrasonic motor or transducer (26), and having a circular cross section that has a coaxially positioned cannula or sheath (14) surrounding the elongated member, the cannula or sheath (14) defining an aperture adjacent the distal end portion of the elongated member, wherein fluid adjacent the distal end portion of the elongated member is activated or cavitated by ultrasonic vibrations from the distal end of the elongated member, and passing through the aperture of the cannula acts upon tissue and/or other matter.
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