Powdered medicament-mixed gas injecting apparatus and powdered m

Details Powdered medicament-mixed gas injecting apparatus and powdered m Powdered medicament-mixed gas injecting apparatus and powdered m

1994-09-29

1995-08-29

Yasko, John F.

Surgery

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

Treating material introduced into or removed from body...

604 24, A61M 1300

Patent

active

054456126

ABSTRACT:
A powdered medicament-mixed gas injecting apparatus includes a first passage having a gas supply opening at one end thereof for supplying gas. A second passage includes a container-fitting end portion at one end thereof for fitting thereto a container opening of a powdered medicament container in which powdered medicament is accommodated. One end is closed and the other end is provided with the container opening. The other end of the second passage is coupled with the other end of the first passage. The second passage serves for introducing supply gas fed from the gas supply opening of the first passage to the powdered medicament container, and for introducing powdered medicament-mixed gas which has been formed by mixing the supply gas with the powdered medicament in a direction opposite to a direction in which the supply gas is fed. The second passage allows gas to pass bidirectionally therethrough. A third passage includes one end thereof coupled with a coupling portion at which the respective other ends of the first and second passages are coupled with each other. The third passage is branched from the coupling portion. The third passage includes at the other end thereof a third passage opening for jetting out the powered medicament-mixed gas to introduce the powdered medicament-mixed gas.

REFERENCES:
patent: 4184258 (1980-01-01), Barrington et al.
patent: 4534345 (1985-08-01), Wetterlin
patent: 5273531 (1993-12-01), Knoepfler
patent: 5312333 (1994-05-01), Churinetz et al.
Digestive Endoscopy, Dig. Endosc. 1993; 5:218-223, Teruo Hoshino et al.
Alto Shooter, Catalogue issued on Jun., 1994.

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