Surgery – Controlled release therapeutic device or system – Implanted dynamic device or system
Reexamination Certificate
2006-10-03
2006-10-03
Lucchesi, Nicholas D. (Department: 3763)
Surgery
Controlled release therapeutic device or system
Implanted dynamic device or system
C604S237000
Reexamination Certificate
active
07115118
ABSTRACT:
An implantable pressure-activated microvalve is disclosed. The valve includes a chamber that can be coupled to an external reservoir. A deflectable diaphragm is fluidically coupled to the chamber and arranged such that pressure of an in vivo fluid will bear against the deflectable diaphragm. When the pressure exceeds a selected threshold, the diaphragm deflects and allows material within the chamber to mix with the in vivo fluid.
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Bouchelle Laura A.
Lucchesi Nicholas D.
Rosemount Inc.
Westman Champlin & Kelly P.A.
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