Ultrasonic medical device

Details Ultrasonic medical device Ultrasonic medical device

2005-10-11

2005-10-11

Jaworski, Francis J. (Department: 3737)

Surgery: kinesitherapy

Kinesitherapy

Ultrasonic

Reexamination Certificate

active

06953438

ABSTRACT:
Ultrasonic devices for preventing microbubbles and/or microparticles from reaching the brain during a PCI, or cardiovascular surgery. Devices27and77are designed for implantation in the chest cavity and operate in combination with needle vents or other vent systems for removing diverted microbubbles. Systems77and83are designed for noninvasive employment. Devices57and87are particularly designed to prevent microbubbles from reaching the great origins of the carotid arteries and/or for diverting bubbles that might reach the vicinity and otherwise pass through. Improved devices11and94separate microbubbles from a flowing bloodstream and produce a cleansed stream.

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Schwartz et al., “The Acoustic Filter: An Ultrasonic Blood Filter for the Heart-Lung Machine”, J. of Thoracic and Cardiovascular Surg. (1992), pp. 1647-1653.
I.C. Macedo and Wen-Jei Yang, “Acoustic Effects on the Gas Bubbles in the Flows of Viscous Fluids and Whole Blood”, J. of the Accoustical Soc. of Am. (1991), pp. 1327-1335.

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