Tissue positioning systems and methods for use with...

A - Human Necessities – 61 – N

Patent

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A61N 5/00 (2006.01)

Patent

CA 2544756

A system for treating tissue surrounding a resected cavity that is subject to a proliferative tissue disorder is provided. The system includes a tissue fixation device including a catheter body member having a proximal end, a distal end, an inner lumen, and an expandable surface element disposed proximate to the distal end of the body member, the expandable surface element sized and configured to reproducibly position tissue surrounding a resected tissue cavity in a predetermined geometry upon expansion. After expansion of the expandable surface element within a resected tissue cavity, an external radiation device positioned outside the resected cavity delivers a dose of radiation to the tissue surrounding the expandable surface element.

Un système de traitement d'un tissu entourant une cavité réséquée atteint d'un trouble de tissu prolifératif. Le système comprend un dispositif de fixation tissulaire comprenant un élément de corps cathéter présentant une extrémité proximale, une extrémité distale, une lumière interne et un élément de surface extensible à proximité de l'extrémité distale de l'élément du corps, l'élément de surface extensible étant dimensionné et configuré de manière à placer à plusieurs reprises le tissu entourant une cavité tissulaire réséquée selon une géométrie prédéterminée au moment de l'extension. Après l'extension de l'élément de surface extensible au sein de la cavité, un dispositif de rayonnement externe se trouvant à l'extérieur de la cavité administre une dose de rayonnement au tissu entourant l'élément de surface extensible.

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