Devices, methods and systems for shrinking tissues

Details Devices, methods and systems for shrinking tissues Devices, methods and systems for shrinking tissues

A - Human Necessities

61

B

A61B 18/14 (2006.01) A61N 1/05 (2006.01) A61N 1/06 (2006.01) A61N 1/40 (2006.01)

Patent

CA 2267556

Devices, systems, and methods for treating urinary incontinence generally rely on energy delivered to a patient's own pelvis tissue to selectively contract or shrink a portion of that pelvic support tissue so as to reposition the bladder (b). The energy will be preferably applied to the endo-pelvic fascia (EP) and/or an arcus tendineus fascia pelvis (ATFP). The invention provides a variety of devices (10) and methods for applying gentle resistive heating of these and other tissues to cause them to contract without imposing significant injury on the surrounding tissue structures. Alternatively, heat applying probes (10) are configured to heat tissue structures which comprise or support a patient's urethra. By applying sufficient energy over a predetermined time, the tissue can be raised to a temperature which results in contraction without significant necrosis or other tissue damage. By selectively contracting the support tissues, the bladder neck, sphincter, and other components of the urinary tract responsible for the control of urinary flow can be reconfigured or supported in a manner which reduces urinary leakage.

Dispositifs, systèmes et procédés servant à traiter l'incontinence urinaire et se basant généralement sur l'énergie transmise au tissu de support pelvien du patient afin d'effectuer la contraction ou la rétraction sélectives d'au moins une partie de ce tissu, de manière à replacer la vessie (b). On appliquera, de préférence, cette énergie, soit à l'aponévrose endopelvienne, soit à l'arcade tensineuse de l'aponévrose pelvienne. L'invention concerne une variété de dispositifs (10) et de procédés servant à exercer un effet doux de réchauffement ohmique sur ces tissus ou sur d'autres tissus, ce qui provoque leur contraction sans occasionner de lésions importantes des structures tissulaires voisines. Dans un autre mode de réalisation, des sondes (10) d'application de chaleur sont conçues pour réchauffer des structures tissulaires composant ou supportant l'urètre du patient. L'application d'une énergie suffisante pendant une durée prédéterminée permet d'élever le tissu à une température provoquant la contraction sans nécrose importante ou autre détérioration du tissu. La contraction sélective des tissus de support permet de consolider ou de supporter le col de la vessie, le sphincter et d'autres éléments des voies urinaires responsables de la régulation de l'écoulement urinaire, de façon à limiter l'incontinence urinaire.

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