Treatment of tissue by application of energy and drugs

A - Human Necessities – 61 – B

Patent

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A61B 18/18 (2006.01) A61B 18/14 (2006.01) A61N 5/02 (2006.01) A61N 5/06 (2006.01) A61N 7/02 (2006.01) A61B 17/00 (2006.01) A61B 17/22 (2006.01) A61B 18/02 (2006.01) A61B 18/24 (2006.01) A61B 19/00 (2006.01)

Patent

CA 2384866

The invention provides a method and system for treating disorders parts of the body. A particular treatment can include one or more of, or some combination of ablation, nerve modulation, three-dimensional tissue shaping, drug delivery, mapping, stimulating, shrinking and reducing strain on structures by altering the geometry thereof and providing bulk to particularly defined regions. The particular body structures or tissues can include one or more of, or some combination of reions, including the bladder, esophagus, vagina, penis, laryns, pharynx, aortic arch, abdominal aorta, thoracic aorta, large intestine, small intestine, sinus, auditory canal, uterus, vas deferens, trachea and all associated sphincters. Types of energy that can be applied include radiofrequency, laser, microwave, infrared waves, ultrasound or some combination thereof. Types of substances that can be applied include pharmaceutical agents such as analgesics, antibiotics and anti-inflammatory drugs, bulking agents such as biologically nonreactive particles, cooling fluids or dessicants such as liquid nitrogen for use in cryo-based treatments.

L'invention concerne un procédé et un système destinés au traitement des troubles au niveau de parties du corps. Ledit traitement peut comprendre, en particulier, une ou plusieurs des opérations ci-après, voire une combinaison de celles-ci : ablation, modulation nerveuse, mise en forme tridimensionnelle des tissus, administration de médicaments, mappage, stimulation, rétrécissement et réduction de la contrainte s'exerçant sur des structures par modification de leur géométrie et augmentation du volume de régions définies de façon particulière. Parmi ces structures ou tissus du corps figurent une, plusieurs ou une combinaison des régions suivantes : la vessie, l'oesophage, le vagin, le pénis, le larynx, le pharynx, l'arc aortique, l'aorte abdominale, l'aorte thoracique descendante, le gros intestin, l'intestin grêle, les sinus, le canal auditif, l'utérus, le canal déférent, la trachée et tous les sphincters associés. Parmi les type d'énergie qui peuvent être utilisées figurent : les radiofréquences, le laser, les ondes hyperfréquences, les ultrasons ou une combinaisons de ces énergies. Parmi les types de substances que l'on peut appliquer figurent : des agents pharmaceutiques tels que des analgésiques, des antibiotiques et des anti-inflammatoires, des diluants tels que des particules biologiquement non réactives, des fluides de refroidissement ou des substances déshydratantes, notamment l'azote liquide que l'on utilise dans les traitements basés sur le refroidissement.

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