释义 |
DictionarySeeharmonicharmonic wave
harmonic wave[här′män·ik ′wāv] (physics) A transverse waveform obtained by mapping onto a time base the periodic up and down excursions of simple harmonic motion. harmonic scalpel
harmonic scalpel Surgery An ultrasound-powered cutting tool that cuts and seals tissue simultaneously. See Ultrasonography. harmonic scalpel Abbreviation: HS An ultrasonic dissecting device used in surgery to disrupt, disintegrate, or coagulate tissues, especially those with a high water or fat content. The device works by cavitating the tissues it contacts. When used laparoscopically, tissues destroyed by the scalpel are removed from the body by aspiration. Synonym: ultrasonic dissectorSee also: scalpel |