Syringe for administering sequentially multiple doses of a medic

Details Syringe for administering sequentially multiple doses of a medic Syringe for administering sequentially multiple doses of a medic

1992-07-27

1994-03-01

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

401281, 222548, 604173, A61M 5178

Patent

active

052902587

ABSTRACT:
This syringe for dispensing multiple doses of a liquid medicament one at a time has a cylindrical barrel for containing the medicament. At one end of the barrel is a single outlet opening. A plunger in the barrel discharges the medicament. A syringe cap rotatable mounted on the barrel has guide means restraining the cap against axial movement. Ratchet means on the cap and barrel permit only unidirectional rotation of the cap and sequentially retain the cap in equally spaced detent positions on the barrel. Nozzles on top of the cap have passages for ejecting the medicament. Each passage terminates in a hole in the top of the cap. Only one nozzle at a time communicates with the barrel vis the outlet opening in each detent position of the cap on the barrel.

REFERENCES:
patent: 2772032 (1956-11-01), Patillo
patent: 2782784 (1957-02-01), Ritter
patent: 3100589 (1963-08-01), Love, Jr.
patent: 3129860 (1964-04-01), Foster
patent: 3325066 (1967-06-01), Allen
patent: 3595231 (1971-07-01), Pistor
patent: 4552155 (1985-11-01), Etherington et al.
patent: 4695273 (1987-09-01), Brown
patent: 5109955 (1992-05-01), Clark
patent: 5188293 (1993-02-01), Burton

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