Surgery – Means for introducing or removing material from body for... – With means for cutting – scarifying – or vibrating tissue
Patent
1991-09-23
1993-01-12
Pellegrino, Stephen C.
Surgery
Means for introducing or removing material from body for...
With means for cutting, scarifying, or vibrating tissue
128 24AA, A61B 1720
Patent
active
051786052
ABSTRACT:
A coaxial flow irrigation and aspiration ultrasonic handpiece for use in surgical operations includes the combination of an elongated outer shell, inner shell and ultrasonic horn assembly disposed within the inner shell. A sealing end cap is provided which functions to center the inner shell within the outer shell as well as to form an irrigation channel therebetween for supplying irrigation fluid to the distal end tip of the surgical handpiece. The sealing end cap includes an irrigation channel and electrical cable integrally therewith to facilitate ease of assembly of the handpiece as well as connection with sources of irrigation fluid and means for providing aspiration.
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Alcon Surgical Inc.
Pellegrino Stephen C.
Rafa Michael
Schira Jeffrey S.
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