ULTRASOUND SURGICAL INSTRUMENT Russian patent published in 1997 - IPC

FIELD: medical engineering. SUBSTANCE: ultrasound surgical instrument has source of ultrasound oscillations secured in airtight handle and connected to multi-halfwave concentrator. Concentrator input section is of exponential shape. Instrument is made as variable-section body of revolution. In this case, areas of variable cross-sections at conjugation points satisfy definite relation associated with "golden proportion". EFFECT: higher effect on soft tissues in not easily accessible physiological and wound cavities. 3 cl, 2 dwg