Surgery – Diagnostic testing – Measuring fluid pressure in body
Patent
1996-07-03
1999-08-10
Clarke, Robert A.
Surgery
Diagnostic testing
Measuring fluid pressure in body
600488, 604158, 604 51, A61B 500
Patent
active
059350830
ABSTRACT:
A device for measuring body fluid pressure, such as blood pressure, muscle compartment pressure, and spinal column pressure, is herein described. An invasive implement is inserted into a body area, and a fluid path extends from the body area into a fluid channel in the device. A valve is used to control the flow of fluid through the device and a pressure sensor is placed adjacent to the fluid channel, with the pressure sensor and/or a sealant gel forming a portion of the fluid channel. With the valve closed, pressure builds in the fluid channel and the pressure sensor detects the resulting pressure, and a pressure transducer and supporting electronics converts and communicates the pressure measurement. With this device the pressure sensor can detect pressure without contacting the fluid, so therefore a pressure can be taken with a minimum of fluid extraction. If fluid extraction is desired, the valve is opened and fluid flows from the body area to a fluid port where the fluid may be collected.
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Clarke Robert A.
Srivastava V.
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