Surgery – Respiratory method or device – Ozone or ion generation
Patent
1975-03-18
1976-03-02
Yasko, John D.
Surgery
Respiratory method or device
Ozone or ion generation
128218F, A61M 522
Patent
active
039411303
ABSTRACT:
An injection device for a hypodermic syringe including structure for supporting a syringe and projecting the needle of the syringe into a skin tissue area against which a predetermined portion of the injection device has been placed. Also structure is provided for slightly retracting the plunger of the syringe relative to the barrel portion thereof during the projection of the needle of the syringe into the adjacent skin tissue area and further structure is provided for shifting the piston portion of the syringe, relative to the barrel portion thereof, in order to express the liquid contents of the syringe through the needle thereof after the needle has been projected in order to force the needle carried by the barrel portion of the syringe into the adjacent skin tissue. Finally, the injection device includes a pair of individual actuators for effecting projection of the syringe to displace the needle portion thereof into adjacent skin tissue and to thereafter shift the plunger portion of the syringe relative to the barrel portion thereof in order to express the liquid contents of the syringe therefrom and a single operator is operatively associated with the actuators and shiftable from an inactive position to sequential active positions in order to sequentially effect operation of the aforementioned actuators.
REFERENCES:
patent: 2531267 (1950-11-01), Harnisch
patent: 2671448 (1954-03-01), Harnisch
patent: 3605742 (1971-09-01), Tibbs
patent: 3702608 (1972-11-01), Tibbs
patent: 3712301 (1973-01-01), Sarnoff
patent: 3729003 (1973-04-01), Hurschman
Jacobson Harvey B.
O#Brien Clarence A.
Yasko John D.
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