Methods and apparatus for the treatment of menometrorrhagia,...

A - Human Necessities – 61 – B

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A61B 18/04 (2006.01) A61B 8/00 (2006.01) A61M 31/00 (2006.01) A61N 7/00 (2006.01)

Patent

CA 2649119

A probe having a high intensity focused ultrasound (HIFU) transducer is positioned in a female patient. The HIFU transducer is deployed within the vagina of the patient outside of the cervix and uterine cavity and is configured to direct HIFU energy to a treatment site within the uterus of the patient. An imaging component positioned relative to the patient images a portion of the patient's uterus that includes the treatment site to help guide the delivery of the HIFU energy to the treatment site. A liquid medium may be infused into the uterine cavity of the patient where it is maintained during imaging and delivery of the HIFU therapy. The HIFU transducer produces a thermal heating of tissue at a focus within the treatment site to initiate necrosis of the tissue. The location of the focus is controlled in accordance with an image obtained by the imaging component.

L'invention concerne une sonde dotée d'un transducteur ultrasonore focalisé d'intensité élevée (HIFU) placée dans le vagin d'une patiente, à l'extérieur du col de l'utérus et de la cavité utérine, et configurée pour diriger l'énergie HIFU sur un site de traitement de l'utérus de la patiente. Un composant d'imagerie positionné à proximité de la patiente fournit une image d'une partie de l'utérus comprenant le site de traitement pour aider le guidage de l'administration de l'énergie HIFU au site de traitement. Un milieu liquide peut être infusé dans la cavité utérine et maintenu pendant l'imagerie et l'administration de la thérapie HIFU. Le transducteur HIFU produit un chauffage thermique de tissu à un foyer du site de traitement pour initier une nécrose du tissu. L'emplacement du foyer est contrôlé selon une image obtenue par le composant d'imagerie.

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