Infusate pump

Details Infusate pump Infusate pump

1984-02-06

1985-01-29

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604131, 604141, A61M 500, A61M 3100

Patent

active

044963432

ABSTRACT:
Infusion apparatus includes a housing with an infusate chamber in the housing and means for conducting infusate from the chamber through a restrictive outlet passage to an additional small chamber having an entrance port closed by a self-sealing penetrable septum. An exit tube from the small chamber leads directly to a cannula at the infusion site so that liquid can be injected into the small chamber through its septum and delivered directly to the infusion site without backflowing into the infusate chamber.

REFERENCES:
patent: 3613663 (1971-10-01), Johnson
patent: 3951147 (1976-04-01), Tucker et al.
patent: 4000740 (1977-01-01), Mittleman
patent: 4193397 (1980-03-01), Tucker et al.
patent: 4405316 (1983-09-01), Mittleman
patent: 4416661 (1983-11-01), Norman et al.

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