Rotational Atherectomy Device
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United States of America Patent
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app pub date -
Apr 13, 2016
filing date -
Jul 13, 2006
priority date (Note) -
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Abstract
A rotational atherectomy device for removing a stenotic tissue from a vessel of a patient is disclosed. The device comprises a rotatable, flexible, hollow drive shaft having a fluid impermeable wall defining a lumen of the drive shaft and, an abrasive element mounted to a distal end portion of the drive shaft proximal to and spaced away from a distal support element formed at a distal end of the drive shaft. The distal support element is inflatable by pressurized fluid which flows in an antegrade direction through said lumen of the drive shaft and is least partially re-directed into the distal fluid inflatable support element. The distal fluid inflatable support element has an outer wall comprising an outflow opening.
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