Occlusion device for asymmetrical uterine artery anatomy

A - Human Necessities – 61 – B

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A61B 17/00 (2006.01)

Patent

CA 2546419

An occluding device is disclosed for occluding a female patient's uterine arteries which have unsymmetrical anatomy with respect to the patient's uterine cervix. The occluding device has a pair of pivotally connected occluding members, with at least one of the occluding member having a movable occluding element on a distal shaft section of the occluding member. The position and orientation of the occluding elements on the distal shaft sections may be adjusted by operative members on the proximal shaft sections of the occluding members to accommodate for asymmetrical uterine artery anatomy. The occluding elements have pressure applying surfaces with one or more blood flow sensors such as Doppler chips which help the physician to better identify the uterine artery and to monitor blood flow therein. A tenaculum-like guiding element configured to be secured within the patient's uterine cervix, may be provided to guide the occluding device to the patient's cervix.

La présente invention concerne un dispositif d'occlusion permettant d'effectuer l'occlusion des artères utérines chez des patientes, lesdites artères présentant une anatomie asymétrique par rapport au col de l'utérus de la patiente. Ce dispositif d'occlusion possède une paire d'éléments d'occlusion assemblés de manière à pouvoir pivoter, l'un au moins de ces éléments d'occlusion présentant un élément d'occlusion mobile sur une section de tige distale de l'élément d'occlusion. La position et l'orientation de ces éléments d'occlusion sur les sections de tiges distales peuvent être ajustées par des éléments fonctionnels présents sur les sections de tiges proximales des éléments d'occlusion de manière à permettre l'anatomie asymétrique des artères utérines. Ces éléments d'occlusion possèdent des surfaces d'application de pression dotées d'un ou de plusieurs capteurs du flux sanguin tels que des puces Doppler qui permettent au médecin d'identifier l'artère utérine et d'y contrôler le flux sanguin. Un élément de guidage du type tenaculum conçu pour être fixé à l'intérieur du col de l'utérus de la patiente peut être utilisé pour guider le dispositif d'occlusion vers le col de la patiente.

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