Importance

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Abstract

Systems and methods that serve to drain a bodily fluid are provided The medical device includes a lumen connecting between the proximal end and the distal end The lumen is preferably adapted to drain fluid from the distal end to the proximal end The device may also include a pressure sensitive valve adapted for insertion and placement in the lumen The pressure-sensitive valve may be pressure sensitive wherein, when pressure at the inflow port rises to a predetermined threshold, the pressure-sensitive valve opens The lumen may also be configured whereby, when pressure at the inflow port drops to a second predetermined threshold, the pressure-sensitive valve closes In some embodiments, the valve may be unidirectional and not sensitive to any substantial pressure threshold but may open at any substantially non-zero pressure applied in the appropriate direction.

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First Claim