Electrotransport agent delivery device and method

Details Electrotransport agent delivery device and method Electrotransport agent delivery device and method

1992-09-24

1995-01-10

Rosenbaum, C. Fred

Surgery

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

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

607149, A61N 130

Patent

active

053802713

ABSTRACT:
An electrical circuit (21) for an electrotransport agent delivery device (10), and a method for making same, is provided. The circuit (21) generally includes a plurality of electrically conductive circuit traces (71-77) deposited on a substrate (42). One or more electrical circuit components (61-63), such as batteries, resistors, capacitors and/or transistors, is mounted on the substrate (42) and are electrically connected to the circuit traces (71-77), using an electrically conductive adhesive. The circuit traces (71-77) and the adhesive contain an electrically conductive filler which renders the traces and the adhesive electrically conductive. Preferably, the electrically conductive filler is a material which is relatively non-toxic, such as silver, carbon and/or graphite. The electrical circuit components (61-63) may be connected to the circuit traces (71-77) using automated component attachment procedures. The circuit (21) does not require hand soldering of electrical components (61-63), such as batteries, to the circuit traces (71-77) and does not require the use of solder coating or other similar procedures to suppress corrosion of circuit traces that might otherwise occur. A silk screening process or a pad printing process can be used to deposit the circuit traces (71-77) on the substrate (42). An electrotransport agent delivery device (10) having this circuit (21) is much less likely to inadvertently introduce potentially toxic ions into a patient's body.

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