Surgery – Respiratory method or device – Ozone or ion generation
Patent
1980-09-08
1982-02-02
Yasko, John D.
Surgery
Respiratory method or device
Ozone or ion generation
128218N, A61M 500
Patent
active
043134408
ABSTRACT:
A multipurpose double barrel syringe is manufactured by disassembling a first syringe having a first predetermined capacity, a first cylinder, a first hypodermic needle of a first gauge at a first end thereof, a first piston plunger having a plunger tip with a smooth seating surface and a rear indentation and a first collar extending radially therefrom at a spaced opposite second end thereof, and a second syringe having a second cylinder with a second predetermined capacity less than the first predetermined capacity, the second cylinder having a second collar extending substantially radially therefrom at a first end thereof, a second needle of a second gauge with a tip and a base and a second piston plunger having a piston rod having a second plunger tip coaxially mounted at a first end thereof coaxially slidably mounted in the second cylinder for movement in axial directions and a third collar extending radially therefrom at a spaced opposite second end thereof. The first needle is retained on the first cylinder and the second piston plunger is retained in the second cylinder. The second needle is inserted through the center of the plunger tip of the first piston plunger. The second needle is cemented in the plunger tip of the first piston plunger. The second needle and plunger tip are mounted on the second cylinder to provide a second syringe assembly. The second syringe assembly is inserted in the first cylinder in a manner whereby the second syringe assembly functions as a second syringe and as a piston plunger assembly of the first cylinder. A spacer member is positioned to extend between the second and third collars to prevent the second piston plunger from moving into the second cylinder except under manual pressure.
REFERENCES:
patent: 3621843 (1971-11-01), Metten
patent: 3749084 (1973-07-01), Cucchiara
patent: 3911916 (1975-10-01), Stevens
patent: 4036225 (1977-07-01), Maury
patent: 4055177 (1977-10-01), Cohen
patent: 4188949 (1980-02-01), Antoshkiw
Tick Daniel Jay
Yasko John D.
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