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  • Occlusion vascular catheters designed to interrupt the blood flow in an artery during a limited period of time, usually from some minutes to several hours. These catheters typically consist of a double-lumen tube with a distensible balloon in their distal tip and side holes that are used for pressure recording and drug injection. Some of these catheters include two balloons (one for guiding and the other for occlusion) and several lumens to increase their capabilities (e.g., measure pressure, inject pharmacologic agents). Occlusion catheters are mostly used for temporarily fast interruption of the blood flow during emergencies (e.g., aneurysm rupture); in some radiographic, fluoroscopic, or surgical procedures such as hepatic resection; or in carotid occlusion for determination of cerebral blood flow.
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