Injection device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 18, 2012
Grant Date -
Nov 13, 2008
app pub date -
Oct 31, 2007
filing date -
Jun 16, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A medication dispensing device with a housing and a member wherein the member is moveable in a distal direction is useful in delivering medication to a patient. A fluid container can be used with the device and often has a moveable piston at one end and an outlet at the other. The member receives a force from a user and drives the piston in the distal direction to expel medication. A intermediate system is disposed between the member and the piston including a gear set that has a pinion in meshed engagement with a rack. The system allows the member to move a greater distance than the piston moves thereby increasing the force on the piston.
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