Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1984-03-05
1985-10-15
Yasko, John D.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
A61M 520
Patent
active
045471894
ABSTRACT:
An auto-aspirating hypodermic syringe supporting and operating device for self-administered injection of hypodermic medication, insulin or the like comprising an elongated thin main plate member having longitudinal slots, a carriage assembly slidably mounted on the plate member for reciprocative longitudinal movement through projecting and retracting strokes including a spring biased syringe carrier member having front and rear holder portions to removably hold the barrel and a back member fixed to the carrier member to slide longitudinally with the carrier member. A pivoted latch trigger member is pivoted on the plate member to latch the carriage assembly in a cocked position and a stop supporting bracket extends from the plate member having movable stop members and a stop positioning cam plate to position the said stop members at an intercepting first position and retracted second position relative to an enlarged head of the plunger.
REFERENCES:
patent: 2150738 (1939-03-01), Dunajeff
patent: 2671448 (1954-03-01), Harnisch
patent: 3880163 (1975-04-01), Ritterskamp
patent: 3941130 (1976-03-01), Tibbs
patent: 4333459 (1982-06-01), Becker
Long John A.
Yasko John D.
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