Surgery – Respiratory method or device – Ozone or ion generation
Patent
1978-10-30
1980-02-19
Yasko, John D.
Surgery
Respiratory method or device
Ozone or ion generation
A61M 500
Patent
active
041889509
ABSTRACT:
An improved disposable syringe having provisions for rendering the needle incapable of harming one when the unit is discarded. The syringe operates with a retracted needle which is driven to a protruding position when the device is used. After use the needle is retracted from the protruding position and bent so as to prevent the needle from harming anyone after the unit is discarded, and to prevent reuse of the needle.
REFERENCES:
patent: 3605744 (1971-09-01), Dwyer
patent: 3890971 (1975-06-01), Leeson et al.
patent: 3893608 (1975-07-01), Koenig
Jones William W.
Yasko John D.
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