Infusion pump
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 31, 1985
Grant Date -
N/A
app pub date -
Aug 18, 1983
filing date -
Aug 18, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The pump (10 or 150) is adapted to deliver liquid (24 or 166) to an individual. The pump comprises a syringe section (12 or 152) including a syringe barrel (18 or 160) having a nozzle (20 or 162) at one end and a syringe piston (22 or 170) in the barrel (18 or 160), an intermediate section (14 or 154 and 156) mounting a piston rod (46 or 265) for axial movement thereof, one end of the rod (46 or 265) being associated with the piston (22 or 170) for acting on the piston (22 or 170), and a drive section (16 or 158) at the other end of the pump (10 or 150) including a gas spring (113 or 300) associated with the other end of the piston rod (46 or 265) for acting on same to move the piston rod (46 or 265) which moves the syringe piston (22 or 170) to cause liquid to be delivered from the syringe barrel (18 or 160).
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Family
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