Angulated ultrasonic surgical handpieces and method for their pr

Details Angulated ultrasonic surgical handpieces and method for their pr Angulated ultrasonic surgical handpieces and method for their pr

1985-12-13

1987-01-06

Howell, Kyle L.

Surgery

Means for introducing or removing material from body for...

With means for cutting, scarifying, or vibrating tissue

128 24A, A61B 1720

Patent

active

046344195

ABSTRACT:
An improved ultrasonic surgical handpiece includes an angled connecting body between the transducer and operative tip, with the connecting body being bent at a location between the node and antinode at its respective ends and with a second nodal plane support in the transducer section. The vibrating assembly is impedance matched to the frequency of a handpiece employing a straight connecting body of subtantially equal length and dimension whereby straight and angulated handpieces may be interchangeably used in an ultrasonic surgical system employing a common drive and common operative tips. In a preferred embodiment, the ultrasonic transducer has a nodal plane midway between its ends and is supported at this nodal plane.

REFERENCES:
patent: 3546498 (1970-12-01), McMaster et al.
patent: 3693613 (1972-09-01), Kelman
patent: 4169984 (1979-10-01), Parisi
patent: 4526571 (1985-07-01), Wuchinich

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