Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1987-05-01
1990-08-21
Rosenbaum, C. Fred
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
73726, 128675, A61M 100
Patent
active
049502441
ABSTRACT:
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.
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Fellingham George H.
Lawless Michael
Abbott Laboratories
Daley Kathleen A.
Rosenbaum C. Fred
Thibault Harry G.
Wexler Robert E.
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