Syringe with actinic ray blocking stripe

Details Syringe with actinic ray blocking stripe Syringe with actinic ray blocking stripe

1983-06-13

1984-08-21

Yasko, John D.

Surgery

Truss

Perineal

604210, A61M 500

Patent

active

044664265

ABSTRACT:
A hypodermic syringe which in one form has a barrel transparent to actinic rays, plus an imperforate rectilinear strip for selectively blocking actinic rays in order to protect labile liquid medication in the syringe. The syringe plunger has an arrangement that provides tactile and audible indications of different positions of the plunger in the barrel. In another form, a similar arrangement assists persons with failing vision.

REFERENCES:
patent: 2474496 (1949-06-01), Rayman
patent: 2764981 (1956-10-01), Helmer
patent: 2875761 (1959-03-01), Helmer
patent: 3769490 (1973-10-01), Czaplinski
patent: 3831602 (1974-08-01), Broadwin
patent: 4048997 (1977-09-01), Raghavachari et al.
patent: 4050459 (1977-09-01), Sanchez
patent: 4063662 (1977-12-01), Drummond et al.
patent: 4148315 (1979-04-01), Berezkin et al.

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