System for pretreating the lumen of a catheter
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United States of America Patent
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Issued Date -
Jul 8, 2010
app pub date -
Jan 8, 2009
filing date -
Jan 8, 2009
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Abandoned
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Abstract
A method of and system for pretreating the lumen of a catheter or small diameter tubing. A vacuum chamber includes a microwave port and a microwave supply subsystem including a microwave generator, and a circular polarizer produces circularly polarized microwaves propagated into the vacuum chamber via the port at a frequency which produces electron cyclotron resonance. A magnetic coil about the vacuum chamber generates a magnetic field in the vacuum chamber with magnetic field lines co-linear with the propagation direction of the microwaves. A catheter manifold positions at least one catheter in the vacuum chamber and supplies a gas within the catheter lumen to generate a plasma in the lumen for pretreating the same.
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