Volume limiting chamber

Details Volume limiting chamber Volume limiting chamber

1974-09-10

1976-07-06

Truluck, Dalton L.

Surgery

Respiratory method or device

Ozone or ion generation

210DIG23, 210446, A61M 514

Patent

active

039676200

ABSTRACT:
An intravenous set has a volume limiting chamber for precisely controlling the volume of parenteral solution administered to a patient and a flexible drip chamber for determining the parenteral solution flow rate. The volume limiting chamber has a membrane valve which when wet will pass parenteral solution but will not pass air at normal intravenous administration pressures. An air bypass is provided in the volume limiting chamber so that air can bypass the membrane valve and enter the volume limiting chamber from the drip chamber when the drip chamber is squeezed to prime the intravenous set.

REFERENCES:
patent: 2854992 (1958-10-01), Hewitt
patent: 3216419 (1965-11-01), Scislowicz
patent: 3650093 (1972-03-01), Rosenberg
patent: 3677242 (1972-07-01), Shaye
patent: 3882026 (1975-05-01), McPhee

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