Automatic disposable hypodermic syringe

Details Automatic disposable hypodermic syringe Automatic disposable hypodermic syringe

1979-07-23

1981-03-31

Yasko, John D.

Surgery

Respiratory method or device

Ozone or ion generation

128218DA, A61M 500

Patent

active

042587131

ABSTRACT:
An improved automatic disposable hypodermic syringe having a retracted needle which is driven by a spring to administer an injection. The needle is contained in a housing and is driven from the housing to administer the injection. An external release mechanism is provided so that the syringe can be operated by an untrained person, if necessary. The needle is held in place in the housing in its retracted position by being embedded in a mass of crushable material which is compressed when the device is actuated to allow the needle to be driven to the extended injecting position.

REFERENCES:
patent: 3066670 (1962-12-01), Stauffer
patent: 3136313 (1964-06-01), Enstrom et al.
patent: 3605744 (1971-09-01), Dwyer
patent: 3702609 (1972-11-01), Steiner
patent: 3941130 (1976-03-01), Tibbs

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