Method of manufacture of a transurethral ultrasound applicator for prostate gland thermal therapy
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United States of America Patent
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Mar 25, 2003
Issued Date -
N/A
app pub date -
May 19, 1997
filing date -
Nov 13, 1992
priority date (Note) -
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Abstract
An apparatus for applying thermal energy to a prostate gland. The apparatus to apply therapeutic treatment to the prostate includes a tube with a longitudinal passageway and wall having radial apertures, power leads threaded through the tube and out the radial apertures in the wall of the tube. Ultrasound crystals are disposed over the tube and the power leads are coupled through the apertures to the ultrasound crystals and a sealant is disposed adjacent and coupled acoustically to the ultrasound crystals. The apparatus is particularly useful to shape the ultrasound treatment fields and minimize application of energy to rectal tissue and the like.
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Family
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