Spray vaccinator apparatus

Details Spray vaccinator apparatus Spray vaccinator apparatus

1987-01-23

1989-07-25

Rosenbaum, C. Fred

Surgery

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

Treating material applied to or removed from external...

119160, A61M 3500

Patent

active

048509973

ABSTRACT:
A spray vaccination apparatus using a positive-displacement peristaltic pump to deliver vaccinating liquid to the spray nozzles. The vaccinating liquid is contained in a plastic bag similar to an IV bag, and a flexible plastic tube extends from the bag to the spray nozzles. A peristaltic pump engages this tube for positive-displacement pumping. The pump is actuated for a predetermined increment of time, whenever a tray of baby chicks is inserted into the spray vaccination apparatus, thereby spraying the chicks with vaccinating liquid for a predetermined interval. The spray nozzles preferably are equipped with valves which open only while the pump operates, providing a relatively abrupt onset and termination of spray. All elements of the liquid delivery system remain closed and sealed from the atmosphere, thereby maintaining a sterile condition throughout. These components preferably are disposable, eliminating the need to cleanse the system components periodically.

REFERENCES:
patent: 4316464 (1982-02-01), Peterson
patent: 4449968 (1984-05-01), Peterson
patent: 4551139 (1985-11-01), Plaas et al.
patent: 4674490 (1987-06-01), Frankel et al.
patent: 4679551 (1987-07-01), Anthony

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