Controlled gas generation for gas-driven infusion devices

Details Controlled gas generation for gas-driven infusion devices Controlled gas generation for gas-driven infusion devices

1997-05-28

1999-11-30

Kaufman, Joseph A.

Dispensing

With wick or absorbent material feed

2223865, 222394, 222396, B67D 300

Patent

active

059927003

ABSTRACT:
Gas is generated at a controlled rate from a liquid and solid phase combination that generated gas upon contact, by using diffusive transport of the liquid toward the solid phase surface to prolong the rate of gas generation, with a variety of alternatives for controlling the rate of diffusive transport. This system is useful in infusion devices for delivering medications or other beneficial liquids from a retaining pouch at controlled rates over a prolonged period of time.

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