SYSTEM AND METHOD FOR REMOVAL OF MATERIAL FROM A BLOOD VESSEL USING A SMALL DIAMETER CATHETER
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United States of America Patent
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app pub date -
Apr 4, 2008
filing date -
Mar 8, 2004
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Abandoned
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Abstract
This invention provides a small diameter snare device and device for thrombus removal consisting of a hollow, elongate, thin-walled outer sheath. A single central core wire extends through the entire length of the sheath. The outer diameter of the core wire is sized close to the inner diameter of the sheath while allowing for axial sliding, in order to maximize the support to the body portion of the snare device. A tool tip or 'capture segment' at the distal end of the sheath and core wire can be controllably expanded to engage a thrombus and remove the thrombus from the blood vessel.
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