Radiation delivery catheter

Details Radiation delivery catheter Radiation delivery catheter

A - Human Necessities

61

N

A61N 5/00 (2006.01) A61N 5/10 (2006.01)

Patent

CA 2305374

Disclosed is a delivery catheter (10) adapted for delivery of a dose of radiation to a vessel wall (12). A radiation source (32) is enlarged from a first, reduced cross-sectional profile to a second enlarged cross-sectional profile by unwinding around a central core (22). Following delivery of a radiation dose to the vessel wall (12), the source (32) is reduced in profile by wrapping around the core (22), and removed from the treatment site.

L'invention concerne un cathéter (10) d'apport de rayonnements conçu pour soumettre la paroi (12) d'un vaisseau à une dose de rayonnements. Une source (32) de rayonnements passe d'un premier profil à section transversale réduite à un second profil à section transversale élargie par déroulement autour d'une partie centrale (22). Suite à l'apport de la dose de rayonnements contre la paroi (12) du vaisseau, le profil de la source (32) est réduit par enroulement autour de la partie centrale (22), avant que la source ne soit écartée du site de traitement.

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