Device and method for multi-phase radio-frequency ablation
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United States of America Patent
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Jan 24, 1995
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app pub date -
Jul 5, 1991
filing date -
Jul 5, 1991
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Abstract
Multi-phase RF ablation employing a two-dimensional or three-dimensional electrode array produces a multitude of currents paths on the surface of the ablation zone. This results in a uniform lesion with a size defined by the span of the electrode array. An orthogonal electrode catheter array suitable for cardiac ablation is used in conjunction with a two-phase RF power source to produce uniform square-shaped lesions of size 1.2 cm.sup.2. Lesions of larger size are created by successive adjacent placement of the square-shaped lesions. A temperature sensor at the electrode tip allows monitoring of ablation temperature and regulation of thereof to minimize the electrode tips from being fouled by coagulum.
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- 15 United States
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Patent Owner(s)
- MORVIL TECHNOLOGY LLC
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Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Desai, Jawahar M | 4141 Cowell Blvd. No. 38, Davis, CA 95616 | 30 | 5885 |
Nyo, Htay L | San Jose, CA | 5 | 1927 |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
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