radio knife

radio knife
a surgical instrument that uses a high-frequency electric arc to cut through or cut away tissue and at the same time sterilize the edges of the wound and seal cut blood vessels

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  • radio knife — n a needlelike surgical instrument using high frequency oscillations in the form of a tiny electric arc at the point of cutting through or cutting away tissue and at the same time sterilizing the edges of the wound and sealing cut blood vessels… …   Medical dictionary

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