Multiple transducer assembly and method for coupling ultrasound energy to a body
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United States of America Patent
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Oct 3, 2000
Issued Date -
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app pub date -
Sep 17, 1998
filing date -
Sep 2, 1997
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Abstract
A multiple transducer assembly and method for coupling ultrasonic energy to a body for thrombolysis of vascular thrombi is provided. The assembly includes a catalytic transducer apparatus including a plurality of transducers for transmitting ultrasound into a medical target transcutaneously. Each transducer includes a front mass having structure which optimizes the transmission of ultrasound into the body. The transducers may share a common front mass. A reservoir for containing a cooling conductive medium between the front mass and the body surface is provided, and is contained within the housing. In addition, the catalytic transducer includes an irrigation manifold, disposed through a center of the front mass, for directing the medium into the reservoir generally along a perimeter thereof. The front mass includes an apex for accumulating expelled gasses. A sloped surface of the front mass functions to direct expelled gasses toward the apex and through an outlet provided by the irrigation manifold. The medium may be circulated from a degassing tank as well as a heat exchange unit in order to maintain a desired reservoir temperature at the body surface. In the multiple transducer arrangement, the transducers may share a common cooling reservoir. A flexible blanket may be provided for collectively housing a desired number and arrangement of transducers.
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- CYBERSONICS, INC.
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Dharmendra, Pal | Erie, PA | 2 | 259 |
Peterson, Thomas M | Erie, PA | 12 | 1607 |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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