Medical fluid delivery system

Details Medical fluid delivery system Medical fluid delivery system

1991-01-28

1992-11-17

Mancene, Gene

Surgery

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

Treating material introduced into or removed from body...

604131, 128DIG12, A61M 3700

Patent

active

051639092

ABSTRACT:
A compressed gas actuated, portable fluid delivery system including separate disposable components which provides multiple, precisely rate controlled administration of medical fluids to patients. A pressurization housing includes a holder for a liquid gas cylinder, a mechanism for piercing the cylinder and connecting the cylinder output in a sealed relationship to an output tube through pressure regulators and a pressure gauge. The pressurization housing includes a safety latch interconnected to a pressure on-off valve for preventing opening the housing while pressurized. The output tube leads to a pressure chamber in which a flexible bag containing a fluid to be delivered may be placed. Pressure within the chamber squeezes the bag, forcing fluid through a fluid output tube to, in seriatim, a particulate filter, a binary flow control valve assembly, an air eliminating filter and finally to a fitting adapted to connect to an administration device such as a hypodermic needle, nasal tube or the like. These various components may be included serially in several containers for ease of replacement or in a single unit, as desired.

REFERENCES:
patent: 4684367 (1987-08-01), Schaffer et al.
patent: 4784652 (1988-11-01), Wikstrom
patent: 4857055 (1989-08-01), Wang
patent: 4969874 (1990-11-01), Michel et al.
patent: 5013303 (1991-05-01), Tamari et al.

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