US Patent No: 6,692,450
Number of patents in Portfolio can not be more than 2000
Focused ultrasound ablation devices having selectively actuatable ultrasound emitting elements and methods of using the same
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Feb 17, 2004
Issued date -
Jan 19, 2000
filing date -
09/487,710
serial no -
In Force
status
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Abstract
A focused ultrasound ablation device includes an ultrasound emitting member having a plurality of individual ultrasound emitting elements arranged in an array. The ultrasound emitting elements are selectively, independently actuatable to emit ultrasound energy and focus the emitted ultrasound energy a predetermined distance from the ultrasound emitting member such that the ultrasound energy is focused within anatomical tissue adjacent which the ultrasound emitting member is positioned. The anatomical tissue is heated by the focused ultrasound energy to form a lesion in the tissue of desired size and/or surface configuration. A method of thermal ablation comprises the steps of selecting selected ones of a plurality of ultrasound emitting elements, arranged in an array on an ultrasound emitting member, for actuation to emit ultrasound energy in accordance with a desired size and/or surface configuration of a lesion to be formed in anatomical tissue, positioning the ultrasound emitting member adjacent the tissue, actuating the selected ones of the ultrasound emitting elements to emit ultrasound energy, focusing the ultrasound energy in the tissue with the selected ones of the ultrasound emitting elements, and heating the tissue with the focused ultrasound energy to form a lesion within the tissue having the desired size and/or surface configuration.
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First Claim
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
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| 5,391,197 Ultrasound thermotherapy probe | 99 | 1993 | |
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| 6,007,499 Method and apparatus for medical procedures using high-intensity focused ultrasound | 188 | 1997 | |
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| 5,738,114 Method and apparatus for treatment of air way obstructions | 34 | 1996 | |
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| 6,135,971 Apparatus for deposition of ultrasound energy in body tissue | 81 | 1996 | |
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| 5,620,479 Method and apparatus for thermal therapy of tumors | 191 | 1995 | |
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| 6,309,355 Method and assembly for performing ultrasound surgery using cavitation | 39 | 1998 | |
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| 4,562,900 Lens system for acoustic transducer array | 9 | 1984 | |
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Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Aug 17, 2015 |
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| 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 |