Surgery – Respiratory method or device – Ozone or ion generation
Patent
1974-08-29
1976-03-16
Yasko, John D.
Surgery
Respiratory method or device
Ozone or ion generation
128218P, A61M 500
Patent
active
039439267
ABSTRACT:
The present invention refers to an improved, wholly disposable dental type syringe, comprising: a hollow, transparent cylindrical body which includes one open end having integral ears, and the other end closed, in which latter end is mounted a needle for injecting having two points, and on the inside of the hollow cylindrical body, ribs extending throughout its entire length; a piston which is hollow and open at one end, and includes in its closed end suction means, and at its open end curved arms, the piston being also the protector for the needle; and adjusting and guiding means, which holds an ordinary dental anesthesic cartridge in contact with the closed end of the hollow cylindrical body and, at the same time, guides the travel of the piston, the adjusting and guiding means being the protector for the suction means while the piston is the protector of the needle.
REFERENCES:
patent: 1771219 (1930-07-01), Hein
patent: 2555878 (1951-06-01), Drabicki
patent: 2720880 (1955-10-01), Whitaker et al.
patent: 3259130 (1966-07-01), Krauthamer
patent: 3366103 (1968-01-01), Keller
patent: 3712301 (1973-01-01), Sarnoff
patent: 3820652 (1974-06-01), Thackston
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