Membrane unit, housing of a pressure measuring unit and...

Details Membrane unit, housing of a pressure measuring unit and... Membrane unit, housing of a pressure measuring unit and...

2011-04-12

2011-04-12

Allen, Andre J (Department: 2855)

Measuring and testing

Fluid pressure gauge

Diaphragm

C073S714000

Reexamination Certificate

active

07921723

ABSTRACT:
A membrane unit configured for use in a housing of a pressure measuring unit, preferably for measuring pressure in an extra-corporal blood circuit, has a flexible membrane and a fixing ring which is integral with the membrane so that the membrane and the fixing ring form a one-piece element. The fixing ring has a lower flexibility than the membrane, and has fixing elements for fixing the fixing ring to the pressure measuring housing.

REFERENCES:
patent: 5614677 (1997-03-01), Wamsiedler et al.
patent: 6725726 (2004-04-01), Adolfs et al.
patent: 2004/0050168 (2004-03-01), Uberreiter
patent: WO 99/37983 (1999-07-01), None

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