Surgery – Respiratory method or device – Ozone or ion generation
Patent
1975-02-13
1976-09-14
Yasko, John D.
Surgery
Respiratory method or device
Ozone or ion generation
128218D, 128218DA, A61M 500
Patent
active
039800830
ABSTRACT:
An infusor unit for dispensing a medicament by injection including a vial having an open end and a closed end and a resilient piston adapted to be initially partially inserted into said vial. The piston having a central through bore which is sealed by a transverse diaphragm and a chamber formed at one end of the piston by the diaphragm and a reduced entryway at its open end to define internal shoulder means. A substantially rigid hollow tubular infusor means which includes means for securing a sharpened cannula which extends outwardly from one end and in communication with the transparent interior of said infusor. The opposite end of the infusor having hollow means for sealing engagement with the piston bore for pre-assembly and, subsequently, to cooperatively penetrate said diaphragm to provide access of the hollow infusor and its connected passageway with the cannula to the interior of the piston sealed vial.
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Beart R. W.
Holvorsen J. R.
Illinois Tool Works Inc.
Yasko John D.
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