Method of percutaneously removing a thrombus from a blood vessel by using catheters and system for removing a thrombus from a blood vessel by using catheters
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United States of America Patent
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Oct 22, 1991
Grant Date -
N/A
app pub date -
Jan 18, 1991
filing date -
Aug 3, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
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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