A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 5/315 (2006.01) B01L 3/02 (2006.01) G01F 11/02 (2006.01)
Patent
CA 2126934
A releasably attachable manual dispensing aid (20) is operable with a syringe (22) having a syringe body (24) and a syringe plunger (32) that is movable within the syringe body (24). The dispensing aid (20) includes a dispensing aid body (40) that is releasably attachable to the syringe body (24). The dispensing aid (20) further includes a dispensing aid plunger (44) that is attachable to the syringe plunger (32), and has a slide (46) that is slidable within the dispensing aid body (40). An electronic linear position measuring device (52) has a first portion (54) fixed to the dispensing aid body (40) and a second portion (56) fixed to the dispensing aid plunger (44). Optionally, the dispensing aid (20) includes a microprocessor (78) that receives as inputs a calibration value for a particular syringe and the position signal, and determines as an output signal the true volume of liquid displaced by the syringe plunger movement.
Anderson Robert
Barresi Thomas
Frudden Jon E.
Hall Randy
Nguyen Son
Macrae & Co.
The Hamilton Company Inc.
LandOfFree
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