Low-volume non-bubble collecting pressure dome

Details Low-volume non-bubble collecting pressure dome Low-volume non-bubble collecting pressure dome

1987-02-24

1989-01-03

Truluck, Dalton L.

Surgery

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

Treating material introduced into or removed from body...

604118, 73730, 128675, A61M 500, G01L 708

Patent

active

047954400

ABSTRACT:
A pressure sensor comprising a main body having an inlet connectable to a source of liquid under pressure, an outlet, a passage extending through the main body from the inlet to the outlet and a surface outside of the passage. A flexible diaphragm confronts the surface and is coupled to the main body to at least partially define a sensing chamber. The main body has a port extending from the passage to the sensing chamber to provide communication between liquid under pressure in the passage and the sensing chamber. The port has a transverse cross section with at least one dimension which is no greater than about 0.060 inch.

REFERENCES:
patent: 2629399 (1953-02-01), Kulick
patent: 2841984 (1958-07-01), Green
patent: 3120759 (1964-02-01), Pochapsky
patent: 3468308 (1969-09-01), Bierman
patent: 3713341 (1973-01-01), Madsen et al.
patent: 3939758 (1976-02-01), Faisandier
patent: 4034754 (1977-07-01), Virag
patent: 4398542 (1983-08-01), Cunningham et al.
patent: 4592747 (1986-06-01), Pool

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