Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1982-03-15
1984-03-27
Coven, Edward M.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604247, 604256, A61M 500
Patent
active
044391820
ABSTRACT:
The valvular infusion device is for the administration of drugs or supplemental fluids into a parenteral fluid stream for intravenous infusion to a patient. The device includes a main conduit for generally the continual flow therethrough of a parenteral fluid, and at least one second conduit in communication with the main conduit to permit the injecting of drugs or supplemental fluids thereinto for transport with the parenteral fluid to a patient. The second conduits have valve chambers and compressible, resilient valve means therein, to permit only one-way flow of the drugs or supplemental fluids into the main conduit. The second conduits are provided with syringe receiving and securing means to provide a source for activating the pressure sensitive valve means and the injection of the required drugs or supplemented fluids for a patient. Additionally provided is a valvular infusion device for the induction of general anesthesia, which permits the injection of drugs utilizing only one hand of a user. And, provided are valve chamber and valve means for use therewith which minimize the volumetric "dead space" of the devices so as to facilitate the accurate injection of drugs or supplemental fluids. The infusion devices are, additionally, designed for disposable, one-time use, and for use with commonly known intravenous administration apparatus.
REFERENCES:
patent: 3416567 (1968-12-01), Von Dardel
patent: 3861388 (1975-01-01), Vaughn
patent: 3994293 (1976-11-01), Ferro
patent: 4005710 (1977-02-01), Zeddies
patent: 4257416 (1981-03-01), Prager
Jansen, G. A., Anesthesiology, "A New Six-Way Stopcock", Feb. 1975, pp. 206-207.
Coven Edward M.
Eggink Anthony G.
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