Intravascular catheter and method of controlling hemorrhage duri

Details Intravascular catheter and method of controlling hemorrhage duri Intravascular catheter and method of controlling hemorrhage duri

1996-08-16

1999-05-18

Yu, Mickey

Surgery

Miscellaneous

Devices placed entirely within body and means used therewith

604 96, 604914, 600146, 600182, A61B19/00

Patent

active

059041471

ABSTRACT:
A catheter, for example a balloon or treatment catheter, is positioned to prevent hemorrhage during surgery by inserting the catheter in a deflated configuration along a passage such as a blood vessel near to the operative site in a position determined by direct or video-assisted viewing from outside the passage. In the event a blood vessel is cut during surgery, the previously positioned catheter inflates a balloon to occlude the passage and stop blood flow into the injured site. A flow-directed catheter includes an inflatable balloon attached at its distal end and an optical fiber connected to one or more light emitting regions positioned in the vicinity of the balloon. The light is emitted transversely, and preferably omnidirectionally at one or more points with a sufficient brightness to provide beacons that are readily detected through the walls of a blood vessel and permit a direct determination of the exact location of the balloon within the vessel. Rather than a flow-directed balloon catheter, a drug-delivery or other catheter may be used. In that case the light emitting regions are located at or adjacent to one or more drug delivery ports or other active areas in the catheter.

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