Surgery – Respiratory method or device – Ozone or ion generation
Patent
1979-10-29
1981-06-30
Yasko, John D.
Surgery
Respiratory method or device
Ozone or ion generation
128218PA, A61M 500
Patent
active
042757290
ABSTRACT:
An adjustable dosage syringe is provided wherein the syringe plunger has sets of multiple closely spaced indentations along the length of the plunger, and a dosage selection ring disposed around the plunger. The inside circumference of the dosage selection ring has protuberances which are registerable with and receivable in one of the indentations of the sets of indentations so that when one protuberance is received in an indentation of the first set of indentations, the other protuberance is also received in an indentation in the second set of indentations. Channels are disposed along the length of the plunger for simultaneously and slidably receiving the protuberances so that the ring is longitudinally slidable along the length of the plunger. Thus, any desired dosage may be achieved by rotating the ring so that the protuberances are disposed in the channel, sliding the ring along the length of the plunger, to that point corresponding to the desired dosage, and rotating the ring so that the protuberances are received by the indentations. The plunger is then forced into the syringe until the ring is engaged by the barrel of the syringe and stops further movement of the plunger into the syringe.
REFERENCES:
patent: 3563240 (1971-02-01), Silver
Ennis James F.
Silver Jules
Silver Jules
Yasko John D.
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