Device for the controlled infusion of medications
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 4, 1986
Issued Date -
N/A
app pub date -
Sep 7, 1982
filing date -
Aug 28, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device comprising a container and a threaded rotatable plunger mechanism including means for controllably advancing the plunger through the container can administer a precise dose of a drug-containing fluid subcutaneously at regular intervals. The means for controllably advancing the plunger comprises a drive tube concentrically mounted about a threaded rod operating within the container, the drive tube having ramp means at the upper end thereof, a ratchet head including a resilient member in operative communication with the upper end of the drive tube and a rotatable knob adjacent the ratchet head whereby rotation of the knob in one direction rotates the drive tube and the threaded rod to deliver the fluid through an outlet of the container.
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