Power operated aspirating hypodermic syringe

Details Power operated aspirating hypodermic syringe Power operated aspirating hypodermic syringe

1976-05-19

1977-06-28

Yasko, John D.

Surgery

Respiratory method or device

Ozone or ion generation

128218A, A61M 500

Patent

active

040318893

ABSTRACT:
A self-contained apparatus which facilitates intramuscular or subcutaneous injection of medications is disclosed herein. All components normally required for such injections, i.e., antiseptic, antiseptic applicator, hypodermic needle of appropriate length and gauge, and unit dose of injectable medication are maintained under sterile conditions within subject invention. The apparatus, in a preferred embodiment, contains a single compressed gas cartridge which when ruptured provides power to: (1) sever retention shear tabs of a slidable injection assembly, (2) propel said slidable injection assembly from a storage position to an operating position, (3) couple one end of a double-ended hypodermic needle with the unit dose of medication, (4) insert the other end of said double-ended hypodermic needle into tissues, (5) automatically effect controlled aspiration, (6) expel the medication into tissues of the injection site, and (7) indicate the site of injection as well as the type of medication used. An alternate means of automatically effecting aspiration in subject invention is also disclosed herein.

REFERENCES:
patent: 2655919 (1953-10-01), Goodstein et al.
patent: 2960087 (1960-11-01), Uytenbogaart
patent: 3055362 (1962-09-01), Uytenbogaart
patent: 3066670 (1962-12-01), Stauffer
patent: 3527212 (1970-09-01), Clark
patent: 3688765 (1972-09-01), Gasaway

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