Vapor hydrated catheter assembly and method of making same
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United States of America Patent
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Sep 3, 2013
Grant Date -
May 21, 2009
app pub date -
Apr 10, 2008
filing date -
Nov 19, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A catheter assembly and method is disclosed which comprises a catheter having a coating on at least a part of its length intended to produce a low-friction surface on the catheter when treated with an activating substance in the form of a vapor. The catheter assembly also includes a catheter package forming an interior space divided by a gas permeable, liquid impermeable barrier into a first cavity and a second cavity. The first cavity of the catheter package accommodates the catheter therein and the second cavity accommodates at least a quantity of liquid in its liquid phase therein. The liquid in the second cavity can change phase into a vapor capable of passing from the second cavity, through the barrier, and into the first cavity where the vapor can activate the coating. As a result, the vapor produced when the liquid changes phase causes the coating on the catheter to be activated to thereby produce the low-friction surface on the catheter so it is ready-to-use when it reaches the end user.
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