Importance

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Abstract

The invention provides a medical device having first and second elongate tubular members. Each member comprises a manometer at a distal end and a lumen communicating with a port at the distal end. An expandable occlusive member is optionally mounted on either or both tubular members proximal to the distal port. A proximal end of each tubular member is adapted for attachment to an oxygenator and/or a pump for aspirating blood from an artery or a symptomatic carotid artery through the first tubular member and perfusing the blood into the contralateral carotid artery through the second tubular member, thereby providing a means of augmenting the collateral vasculature and maintaining perfusion distal to the offending lesion. The flow rate of blood can be controlled by inflating or deflating the balloon occluder. The device may employ a neuroprotective agent, hypothermic perfusion, and an atherectomy device or an extracorporeal pumping mechanism to remove a vascular occlusion and reestablish cerebral perfusion. Methods of using the devices in treating patients with acute stroke or occlusive cerebrovascular disease are also disclosed.

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First Claim