Air-powered tissue-aspiration instrument system employing...

Surgery – Means or method for facilitating removal of non therapeutic... – Liposuction

Reexamination Certificate

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C604S540000, C604S541000, C604S543000

Reexamination Certificate

active

07384417

ABSTRACT:
An air-powered tissue-aspiration instrument system, comprising an air-powered instrument having a hand-supportable housing supporting a curved dual cannula assembly having a curved hollow outer cannula and a flexible hollow inner cannula, provided with bipolar-type electro-cauterizing apparatus. A pair of RF-powered signals are supplied to the curved hollow outer cannula and flexible hollow inner cannula while the flexible hollow inner cannula is slidably supported within the curved hollow outer cannula and driven by an air-powered mechanism mounted within the hand-supportable housing so that the location of aspiration through outer and inner suction apertures is periodically displaced during tissue aspiration operations.

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