Catheter for percutaneous transradial approach
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United States of America Patent
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Sep 16, 2003
Issued Date -
N/A
app pub date -
Jul 9, 2001
filing date -
Dec 15, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus is guided by a guidewire within a luminal structure of a patient for receiving a radiation dose delivery wire with a radiation source attached to its distal end, for treating a disease process. The apparatus includes a balloon catheter with a blind lumen sealed at its distal end and a guidewire lumen extending therethrough to accept a guidewire. The blind lumen is adapted to accept the radiation delivery wire into its proximal end. In a method of treating the disease process with the apparatus, the guidewire is inserted into the guidewire lumen of the balloon catheter, the balloon catheter is inserted into the patient's luminal structure at least as far as a predetermined section of the luminal structure, the radiation dose delivery wire is inserted into the blind lumen in the balloon catheter and moved a predetermined distance therein for a predetermined period of time, and, after the period has elapsed, the radiation dose delivery wire is removed from the blind lumen.
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