Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1995-06-23
1997-10-07
Yasko, John D.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604 49, A61M 2500
Patent
active
056741987
ABSTRACT:
A balloon catheter comprises a catheter shaft and a plurality of lumens, having a pair of spaced, inflatable balloons carried on the shaft to define an interballoon space between the balloons. Each of the balloons are connected to a separate inflation lumen to permit separate inflation and deflation. A fluid flow lumen extends through the catheter shaft and communicates with the interballoon space. Preferably, a perfusion lumen extends through the catheter shaft and the distal end to permit the shunting of blood past the inflated balloons. The spaced balloons are made of an elastomeric material, and are capable of being inflated to a diameter greater than their length. The catheter may be used by inflating a first catheter balloon to block a blood vessel. One then adds a therapeutic agent to the blood vessel at a position on one side of the first balloon through a flow lumen in the catheter. One then inflates a second catheter balloon to block the blood vessel and isolate the medication between the two balloons, while avoiding undue pressure increase in the interballoon space.
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Cordis Corporation
Yasko John D.
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