Surgery – Means for introducing or removing material from body for... – With means for cutting – scarifying – or vibrating tissue
Patent
1991-04-09
1993-10-19
Shay, David M.
Surgery
Means for introducing or removing material from body for...
With means for cutting, scarifying, or vibrating tissue
604119, 606107, A61B 1720
Patent
active
052540820
ABSTRACT:
An ultrasonic surgical scalpel comprising a suction nozzle having a suction mouth which is open aside toward the direction different from that of the axis of the nozzle, and a suction regulating mouth formed in a suction pipe extending from the suction nozzle so as to communicate with a suction passage inside the suction nozzle. The suction mouth being open aside allows the leading end of the nozzle to be mad acute or round, thereby to enable the suction nozzle to be readily inserted and moved in subcutaneous or organic tissues while shattering the tissues with ultrasonic vibrations. When sucking out the tissues shattered with the vibrations, by selectively opening and closing the suction regulating mouth with a finger tip, sucking force for sucking out the tissues can be freely controlled with ease.
REFERENCES:
patent: 3589363 (1971-06-01), Banko et al.
patent: 3945375 (1976-03-01), Banko
patent: 3974833 (1976-08-01), Durden
patent: 4246902 (1981-01-01), Martinez
patent: 4428748 (1984-01-01), Peyman et al.
patent: 4750902 (1988-06-01), Wuchinich et al.
patent: 4886060 (1989-12-01), Wiksell
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