Iontophoretic delivery device and power supply therefor

Details Iontophoretic delivery device and power supply therefor Iontophoretic delivery device and power supply therefor

1993-12-07

1994-12-20

Cohen, Lee S.

Surgery

Means for introducing or removing material from body for...

Infrared, visible light, ultraviolet, x-ray or electrical...

607 75, 607115, 607152, A61N 130

Patent

active

053742427

ABSTRACT:
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.

REFERENCES:
patent: 4292968 (1981-10-01), Ellis
patent: 5053001 (1991-10-01), Keller et al.

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