Measuring and testing – Fluid pressure gauge – Mounting and connection
Reexamination Certificate
2009-02-17
2010-12-21
Allen, Andre J (Department: 2855)
Measuring and testing
Fluid pressure gauge
Mounting and connection
Reexamination Certificate
active
07854172
ABSTRACT:
A pressure cavity is durable, stable, and biocompatible and configured in such a way that it constitutes pico to nanoliter-scale volume. The pressure cavity is hermetically sealed from the exterior environment while maintaining the ability to communicate with other devices. Micromachined, hermetically-sealed sensors are configured to receive power and return information through direct electrical contact with external electronics. The pressure cavity and sensor components disposed therein are hermetically sealed from the ambient in order to reduce drift and instability within the sensor. The sensor is designed for harsh and biological environments, e.g. intracorporeal implantation and in vivo use. Additionally, novel manufacturing methods are employed to construct the sensors.
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Allen Mark
Cros Florent
Fonseca Michael
O'Brien David
Park Jin Woo
Allen Andre J
Ballard Spahr LLP
CardioMEMS, Inc.
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