NON-PRESSURE TRANSDUCING FLUSHABLE CATHETER
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United States of America Patent
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Issued Date -
Jun 12, 2014
app pub date -
Nov 27, 2013
filing date -
Dec 1, 2012
priority date (Note) -
Abandoned
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Abstract
The present invention provides catheters whose lumen may be cleared of obstructions without transducing pressure changes to the patient compartment in which its proximal end is placed. In an illustrative embodiment, the lumen is cleared by a flush fluid supplied from or to a secondary lumen, with the patient compartment isolated with a gate mechanism. In another illustrative embodiment, the lumen is cleared by a progressively expanding balloon therein.
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