Ultrasonic scalpel blade and methods of application

Details Ultrasonic scalpel blade and methods of application Ultrasonic scalpel blade and methods of application

1991-10-04

1993-11-23

Pellegrino, Stephen C.

Surgery

Instruments

Cutting, puncturing or piercing

606167, 606171, 604 22, A61B 1700

Patent

active

052639576

ABSTRACT:
The ultrasonic scalpel blade includes a blade having an included blade edge angle of 25.degree. and greater such that, upon application of ultrasonic power, the otherwise blunt blade has a perceived sharpness corresponding to the sharpness of manually used scalpel blades with the added advantage of improved coagulation and hemostasis. Blades are also provided with varying included angles for ultrasonically incising different tissues.

REFERENCES:
patent: 3636943 (1972-01-01), Balamuth
patent: 3762243 (1973-10-01), Borrkfield
patent: 3786814 (1974-01-01), Armao
patent: 4188952 (1980-02-01), Loschilov et al.
patent: 4499898 (1985-02-01), Knepshield et al.
patent: 4885004 (1989-12-01), Pao

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