Pressure sensor assembly for disposable pump cassette

Details Pressure sensor assembly for disposable pump cassette Pressure sensor assembly for disposable pump cassette

A - Human Necessities

61

M

73/129, 73/70

A61M 1/00 (2006.01) A61M 5/14 (2006.01) A61M 5/168 (2006.01)

Patent

CA 1317786

ABSTRACT OF THE DISCLOSURE A pressure sensor assembly includes two spacedly positioned flexible supports which support an elongated rod, with one end of the elongated rod contacting a pressure detector section on a disposable pumping cassette; the pressure sensor assembly can detect pressures in the cassette both above and below atmospheric (i.e., zero psig): when pressure changes in the cassette, the pressure detection section causes axial movement of the rod and the rod, in turn, flexes the two flexible supports. Position detection means associated with one of the two supports monitors the flexural movement of the one support, providing an indication of the pressure within the cassette.

565511

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