| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a device which can retain irrigation solution and/or antimicrobial solution within a catheter for a predetermined period and then permits drainage of the catheter without intervention by medical personnel at a medical site and is usable with the catheter. <P>SOLUTION: A valve assembly 10 is provided which includes: a housing 11 having an inlet end 20 and an outlet end 22 and defining a fluid channel 18 and a central chamber; and a dissolvable valve member which is positioned to obstruct flow through the channel within the chamber and is formed of a material which is dissolvable at a predetermined rate upon contact with a preselected fluid. <P>COPYRIGHT: (C)2010,JPO&INPIT |
