Surgery – Container for blood or body treating material – or means used... – Means for metering amount of content drawn from container
Patent
1986-04-18
1987-06-23
Yasko, John D.
Surgery
Container for blood or body treating material, or means used...
Means for metering amount of content drawn from container
604218, 141 27, A61B 1900
Patent
active
046750185
ABSTRACT:
A syringe marker is provided which comprises an internal plug that fits around the syringe plunger within the barrel. The marker is factory adjusted so that it is positioned adjacent the compression head of the plunger in the extended position. When the plunger is retracted to remove a pharmaceutical solution from a package or container, the marker will be moved back by the compression head to a point adjacent a scale marking on the barrel. This will indicate the volume of liquid contained in the syringe barrel.
REFERENCES:
patent: 2224018 (1940-12-01), Holtman
Krawitz Willie
Yasko John D.
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