Surgery – Means for introducing or removing material from body for... – With means for cutting – scarifying – or vibrating tissue
Patent
1995-01-11
1996-01-23
Jaworski, Francis
Surgery
Means for introducing or removing material from body for...
With means for cutting, scarifying, or vibrating tissue
A61B 1700
Patent
active
054861624
ABSTRACT:
An improved bubble control device is provided for an ultrasonic surgical probe or tool having a needle and a sleeve surrounding and spaced from the needle for at least a portion of the length of the needle, the device comprising a cylindrical hollow body having a bore and adapted to be positioned in the annular passage between the needle and the sleeve with the needle being received in the bore of the body, and having at least one groove formed on its peripheral surface through which fluid supplied to the annular passage between the needle and the sleeve and containing cavitation bubbles formed upon contact of the fluid with vibrating components are restricted in their passage by being forced through the space between the at least one groove formed on the peripheral surface of the body and the sleeve, and through the space between the body and the needle, thereby reducing the passage of bubbles formed in the fluid.
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Fibra-Sonics, Inc.
Jaworski Francis
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