Adjustable radiation source

Details Adjustable radiation source Adjustable radiation source

A - Human Necessities

61

M

A61M 29/02 (2006.01) A61N 5/00 (2006.01) A61N 5/10 (2006.01) A61M 25/01 (2006.01)

Patent

CA 2347797

An intravascular medical device (10) including an elongated shaft (12) and a variable-length ionizing radiation source (14) disposed on the distal end thereof. The radiation source may be implemented on a wire (10) having a variable length tip (28), on a balloon catheter (40) having a variable length balloon (50) inflated with a radioactive fluid (54) or on a catheter (82) including a variable number of radioactive seeds (88) and spacers (92).

Cette invention concerne un dispositif médical intravasculaire (10) comprenant une tige (12) et une source de rayonnement ionisant de longueur variable (14)disposée à l'extrémité distale de ladite tige. La source de rayonnement peut être mise en oeuvre sur un fil (10) munie d'une pointe de longueur variable (28), sur un cathéter à ballonnet (40) muni d'un ballon de longueur variable (50) gonflé au moyen d'un fluide radioactif (54) ou sur un cathéter (82) comportant un nombre variable de grains radioactifs (88) et d'espaceurs (92).

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