Catheter system having tubular radiation source

Details Catheter system having tubular radiation source Catheter system having tubular radiation source

A - Human Necessities

61

N

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

Patent

CA 2316961

A radiation source for inhibiting restenosis including a radiation delivery tube (20) having a radioactive distal region (24), the tube (20) being adapted to slide over a guide wire (28) within a radiation delivery catheter (42). In use, the catheter (42) is advanced to a site to be treated, the balloon (54) inflated, and the radioactive tube (20) advanced over the radiation source guide wire (28) within the lumen (50).

La présente invention concerne une source de rayonnement servant à inhiber la resténose, comprenant un tube distributeur de rayonnement (20) présentant une partie distale radioactive (24), le tube (20) étant conçu pour glisser sur un fil-guide (28) dans un cathéter distributeur de rayonnement (42). Pendant son utilisation, on amène le cathéter (42) dans un champ à traiter, on gonfle le ballon (54) et on fait glisser le tube radioactif (20) sur le fil-guide de la source de rayonnement (28) à l'intérieur du passage (50).

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