Surgery – Respiratory method or device – Ozone or ion generation
Patent
1976-05-14
1977-06-28
Yasko, John D.
Surgery
Respiratory method or device
Ozone or ion generation
128218P, A61M 500
Patent
active
040318931
ABSTRACT:
A hypodermic injection device comprising a cartridge holder having a cylindrical body open at one end and closed at the other end, the closed end being provided with an aperture, a cartridge with the holder, the cartridge including an ampoule having a cylindrical sleeve open at one end and having a necked portion at the other end to receive a hub mounting a cannula, the cannula facing the apertured end of the cylindrical body, a piston slidably carried within the sleeve adjacent the open end thereof to define a medicament chamber between the piston and cannula, fluid medicament in the medicament chamber, the piston having a concave face on the side forming one end of the medicament chamber, a spring power assembly adjacent the open end of the ampoule sleeve for moving the cartridge forward and for injecting the fluid medicament, spacer means positionable between the outer face of the piston and the adjacent spring power means to vary the position of the piston within the ampoule sleeve and thereby control the volume of the medicament chamber and the medicament carried therein, a safety assembly for controlling actuation of the spring power assembly, and a resilient sheath covering the cannula to maintain the cannula in sterile condition.
REFERENCES:
patent: R17059 (1928-08-01), Hein
patent: 858025 (1907-06-01), Reese
patent: 2902034 (1959-09-01), Simmonds
patent: 3400716 (1968-09-01), Schultz
patent: 3548824 (1970-12-01), Carr
patent: 3742948 (1973-07-01), Post et al.
patent: 3882863 (1975-05-01), Sarnoff et al.
Calkins George B.
Dalling N. Lawrence
Kaplan Sheldon
Sarnoff Stanley J.
Survival Technology Inc.
Yasko John D.
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