System for treating benign prostate hyperplasia

Details System for treating benign prostate hyperplasia System for treating benign prostate hyperplasia

A - Human Necessities

61

B

A61B 18/02 (2006.01)

Patent

CA 2307277

A system for treating benign prostate hyperplasia is disclosed. The system comprises (a) a cystoscope for insertion into a prostatic urethra portion of a urethra of a patient having benign prostate hyperplasia; and (b) a probe of a cryoprobe having an operating tip for guiding through a channel of the cystoscope to a portion of the prostatic urethra, the probe being flexible at least at a portion thereof adjacent the operating tip for navigating the operating tip through a wall of the prostatic urethra into at least one location at a time of a prostate of the patient, such that by operating the cryoprobe the operating tip cools and produces an ice-ball of prostate tissue around the operating tip, so as to locally freeze a portion of the prostate, yet substantially avoid freezing the prostatic urethra.

L'invention concerne un système destiné à traiter l'hyperplasie bénigne de la prostate. Le système comprend : (a) un cystoscope à insérer dans une partie de l'urètre prostatique d'un patient ayant une hyperplasie bénigne de la prostate; et (b) une sonde d'une cryosonde ayant un bout opérationnel pour passer à travers un canal du cystoscope à une partie de l'urètre prostatique, la sonde étant souple à au moins une partie adjacente au bout opérationnel pour guider celui-ci à travers une paroi de l'urètre prostatique dans au moins un région à la fois du prostate d'un patient. Ainsi, en utilisant la cryosonde, le bout opérationnel se refroidit et produit une balle de glace du tissu prostatique autour du bout opérationnel, de façon à geler localement une partie du prostate, tout en évitant sensiblement de geler l'urètre prostatique.

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