Medical device with array of electrode-containing reservoirs

Details Medical device with array of electrode-containing reservoirs Medical device with array of electrode-containing reservoirs

2006-07-04

2006-07-04

Kennedy, Sharon (Department: 3767)

Surgery

Controlled release therapeutic device or system

Implanted dynamic device or system

C604S020000

Reexamination Certificate

active

07070592

ABSTRACT:
Devices are provided for medical diagnostics comprising a substrate; an array of reservoirs; one or more electrodes located at least partially inside the reservoirs; a plurality of discrete reservoir caps covering openings in the plurality reservoirs; control circuitry for selectively disintegrating or permeabilizing the reservoir cap over a reservoir opening; and, optionally, a diagnostic reagent in the reservoirs. Devices also are provided for the controlled delivery of molecules comprising a substrate; an array of reservoirs; a release system in the reservoirs comprising molecules for release; one or more electrodes attached to the substrate inside the reservoirs or to a surface outside of the reservoirs, wherein the electrodes are not reservoir caps; and means for applying an electric current or potential across the electrodes effective to activate release of the molecules from the reservoirs. The devices can be adapted for implantation for in vivo diagnostics or drug delivery.

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