A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 25/10 (2006.01) A61B 17/12 (2006.01) A61B 17/00 (2006.01)
Patent
CA 2140983
A method and apparatus for delivering occluding agents through an opening in a blood vessel wall and into an aneurysm chamber or a branch vessel to occlude same employs a balloon catheter, inflating the balloon to seal the blood vessel lumen around the vessel opening, and delivering the occluding agent through the opening. The inflation of the balloon positions an exit port coupled to a delivery lumen laterally in the vessel in alignment with the vessel opening for delivering of the occluding agent therethrough. The inflated balloon maintains the occluding agent therein until it forms an occluding cast either in response to exposure to body fluids or radiation emitted from the catheter. The balloon may be shaped to form a blood perfusion passage and may be advanced over a guide wire. The distal catheter end may be rotated to align the delivery exit port with the aneurysm or branch vessel opening. More than one delivery exit port and associated lumen may be provided for venting during delivery and/or for the delivery of a two component occluding agent. Alternatively mechanical thrombus forming devices may be delivered thereby into the aneurysm chamber or branch vessel to occlude it.
Cragg Andrew H.
Kagan Jonathan
Blake Cassels & Graydon Llp
Micro Therapeutics Inc.
LandOfFree
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