Apparatus and methods for measuring pulsatile blood process...

Details Apparatus and methods for measuring pulsatile blood process... Apparatus and methods for measuring pulsatile blood process...

A - Human Necessities

61

B

73/129, 182/15.2

A61B 5/02 (2006.01) A61M 1/36 (2006.01)

Patent

CA 1319842

APPARATUS AND METHODS FOR MEASURING PULSATING BLOOD PROCESS STREAM PRESSURE ABSTRACT OF THE DISCLOSURE A positive gauge blood pressure signal is transmitted to a gas column from a pulsatile blood flow stream hydrostatically higher than the pressure transducer. Particularly, a first conduit having a predetermined internal diameter smaller than a second conduit is connected at one end to the blood flow stream. The first conduit extends to a turnaround below the pressure transducer and is connected to the second conduit. The opposite end of the second conduit connects with the pressure transducer. The small internal diameter of the first conduit maintains the meniscus of the blood intact notwithstanding the pulsatile blood stream.

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