Fluid monitor system

Details Fluid monitor system Fluid monitor system

1986-08-21

1989-06-13

Pellegrino, Stephen C.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

73756, 604 4, 604 65, 128DIG13, A61M 103

Patent

active

048388653

ABSTRACT:
Systems for monitoring fluids such as blood being treated extracorporeally are disclosed, including a monitor for monitoring the fluid flow through a tube system between a fluid inlet, fluid treatment means and a fluid outlet. The monitor disclosed includes a monitor housing which contains at least one pressure sensor, and a cassette which is adapted to be removably coupled to the monitor housing, the cassette including pressure transmission ducts for transmitting the pressure within the tube system to a pressure transmitting cavity adapted to be juxtaposed with the pressure sensor when the cassette is coupled to the monitor housing so that the pressure within the tube system can be directly measured by the pressure sensor when the cassette is coupled to the monitor housing. In one embodiment of the monitor the cassette includes a portion of the tube system, while in another embodiment a conventional tube system can be affixed to the cassette.

REFERENCES:
patent: 3418853 (1968-12-01), Curtis
patent: 3912455 (1975-10-01), Lichtenstein
patent: 3946731 (1976-03-01), Lichtenstein
patent: 4227420 (1980-10-01), Lamadrid
patent: 4398542 (1983-08-01), Cunningham et al.
patent: 4414851 (1983-11-01), Maglic
patent: 4454765 (1984-06-01), Lodge
patent: 4479760 (1984-10-01), Bilstad et al.
patent: 4490134 (1984-12-01), Troutner
patent: 4535635 (1985-08-01), Claren et al.

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