Vented needle for medical liquids

Details Vented needle for medical liquids Vented needle for medical liquids

1976-06-29

1977-11-15

Yasko, John D.

Surgery

Respiratory method or device

Ozone or ion generation

1282723, A61M 500

Patent

active

040581217

ABSTRACT:
A thermoplastic needle for injecting sterile liquid into a vial with lateral turbulent motion while air from such vial escapes through a special vent groove on the needle. The needle also has spaced stop wings adjacent a rear portion of the vent groove to prevent overinsertion and occlusion of the vent groove.

REFERENCES:
patent: 2746455 (1956-05-01), Abel
patent: 2954768 (1960-10-01), Hamilton
patent: 2989053 (1961-06-01), Hamilton
patent: 3063451 (1962-11-01), Kowalk
patent: 3757780 (1973-09-01), Ishikawa

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