Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1991-01-18
1991-10-22
Pellegrino, Stephen C.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604 96, A61M 2502
Patent
active
050591789
ABSTRACT:
A method of percutaneously removing a thrombus from a blood vessel by using catheters and thrombus removing system for executing the method. A guide wire catheter includes a first balloon inflatable for blocking the blood vessel at a position downstream of the thrombus. A suction catheter includes a second balloon inflatable for substantially blocking the blood vessel at a position upstream of the thrombus. A thrombus dissolving agent is supplied to a position between the first and second balloons, and dissolved thrombus is drawn through the suction catheter out of the body. An expansion catheter having a third balloon is used to expand, while allowing blood flows, a location of stricture remaining after removal of the dissolved thrombus.
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Greigg Edwin E.
Greigg Ronald E.
Lewis Ralph A.
Pellegrino Stephen C.
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