Apparatus for producing sterility in female animals

Details Apparatus for producing sterility in female animals Apparatus for producing sterility in female animals

1985-11-18

1987-01-20

Truluck, Dalton L.

Surgery

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

Treating material introduced into or removed from body...

604237, 604 55, 417550, A61M 518

Patent

active

046378189

ABSTRACT:
Apparatus for injecting flowable material in which a container holds flowable material. Disposed within the container is a plunger which is formed with metering apertures extending therethrough. The metering apertures store predetermined quantities of material to be mixed with the material in the container. A flexible member is disposed adjacent the plunger between the discharge opening of the container and the plunger. When the plunger travels away from the discharge opening, the flexible member unseals the metering apertures for mixing the material in the plunger with the material in the container. When the plunger travels toward the discharge opening, the flexible member seals the metering apertures in the plunger to discharge the mixed material in the container through the discharge opening.

REFERENCES:
patent: Re29207 (1977-05-01), Bolduc et al.
patent: 2984190 (1961-05-01), Dibley et al.
patent: 3042030 (1962-07-01), Read
patent: 3511239 (1970-05-01), Tuschoff
patent: 3699961 (1972-10-01), Szpur
patent: 3707146 (1972-12-01), Cook et al.
patent: 3805767 (1974-04-01), Erb
patent: 3822702 (1974-07-01), Bolduc
patent: 3875939 (1975-04-01), Bolduc et al.
patent: 4119098 (1978-10-01), Bolduc et al.
patent: 4160446 (1979-07-01), Barrington
Text on Pumps, pp. 166 and 167-published more than one year prior to the filing date of parent application.

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