Instrument and method for intraluminally relieving stenosis

Details Instrument and method for intraluminally relieving stenosis Instrument and method for intraluminally relieving stenosis

A - Human Necessities

61

M

A61M 29/02 (2006.01) A61B 18/24 (2006.01) A61B 17/00 (2006.01) A61B 17/22 (2006.01) A61B 19/00 (2006.01)

Patent

CA 2053909

2053909 9013333 PCTABS00002 An instrument for and method of effectively dilating a stenotic region of a passageway of a portion of the living body, preferably the prostatic urethra, so as to relieve the symptoms associated with the stenosis. In the preferred system the tissue of at least selected portions of the prostate (172) are compressed (preferably with a balloon (8) inserted into the prostatic urethra so as to enhance hemostasis), and at least selected portions of the compressed tissue are denatured (preferably with a laser beam transmitted from within the passageway in selected radial directions) so that as the denatured tissue heals, the denatured tissue tends to shrink so as to effectively dilate the portions of the prostatic urethra. Ultrasonic transducers are used from within the prostatic urethra to image the tissue as it is denatured so as to monitor the procedure to insure proper exposure to the laser beam.

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