A - Human Necessities – 61 – N
Patent
A - Human Necessities
61
N
A61N 1/30 (2006.01)
Patent
CA 2121372
An iontophoretic drug-delivery device incorporating a power supply which minimizes the cost of the batteries needed by operating the batteries in a series configuration at the start of delivery, when the patient's skin resistance is high, and by switching the batteries into a parallel configuration when skin resistance drops. An automatic switching circuit for achieving this transition is included.
Badzinski John David
Haak Ronald P.
Mc Nichols Larry Arthur
Alza Corporation
Smart & Biggar
LandOfFree
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