Patent ID: 6817983
Filing Date: 2004-11-16
Classification: A61B

Abstract:
An external fluid-filled catheter transducer for sensing fluid pressure in a body vessel in a living body, said fluid-filled catheter transducer comprising:an inverted sensor module, said inverted sensor module comprising a sensor module carrier, a sensor mounted to said sensor module carrier such that the diaphragm of said sensor is positioned to sense fluid characteristics inside of said inverted sensor module, and communication media connected to said sensor, wherein said sensor is operable to send information to a monitoring device through said communication media; semi-rigid tubing connected to said inverted sensor module and capable of insertion into said living body; flexible tubing connected between said semi-rigid tubing and said inverted sensor module; a reservoir of fluid connected to said inverted sensor module; and a port located in said external catheter and capable of introducing a reference pressure to said sensor.