Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1994-03-31
1996-09-17
Green, Randall L.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604 96, 604169, 604246, 606192, 128657, A61M 500
Patent
active
055563899
ABSTRACT:
An apparatus and method for treating an occlusion or constriction, such as a stenosis in a blood vessel or other conduit in the body, as well as an apparatus and method for treating a tumor or cancerous area occurring around a conduit or duct in the body. The apparatus includes a catheter provided with a ribbed balloon encircling a portion near its distal end. When inserted into the body over a guide wire and transported to the site of the stenosis, the balloon is inflated one or more times and, due to the ribbed balloon, blood perfuses around the catheter during the treatment. A radioactive source of material is inserted through the catheter to the site of the stenosis or cancer where it is maintained in position for a period of time to reduce the occurrence of re-stenosis or cancer. A guide wire provided with a removable core can be utilized to properly maneuver the catheter to the site of the stenosis or cancer.
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Green Randall L.
Smith Chalin
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