System for in vivo sterilization of a respiratory circuit
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United States of America Patent
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Oct 29, 2002
Grant Date -
N/A
app pub date -
Nov 8, 1999
filing date -
Nov 8, 1999
priority date (Note) -
Expired
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Abstract
A system and method in vivo sterilization of a respiratory circuit. A breathing tube has a proximal end, a distal end and a lumen extending between the proximal and distal ends; a respirator and a synchronization mechanism. One or more light sources capable of emitting ultraviolet radiation irradiates at least a portion of the respiratory circuit, such as the breathing tube, thereby sterilizing the respiratory circuit. The synchronization mechanism controls the light sources to synchronize the sterilization relative to the patient's breathing cycle. Several mechanisms to irradiate the respiratory circuit and control ultraviolet radiation are included.
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