Implantable drug delivery device

Details Implantable drug delivery device Implantable drug delivery device

2006-05-30

2006-05-30

Tapolcai, William E (Department: 3744)

Surgery

Controlled release therapeutic device or system

Implanted dynamic device or system

C604S288010

Reexamination Certificate

active

07052488

ABSTRACT:
Implantable devices for controlled delivery of a drug are provided which include a substrate; at least two reservoirs in the substrate, each reservoir having an opening; at least one therapeutic agent in each of the reservoirs; a reservoir cap sealing each opening; a mechanical rupturing mechanism which moves into contact with and ruptures the reservoir cap to permit release the therapeutic agent from the reservoir through the opening; and a mixing chamber adjacent the reservoirs, wherein upon release of the therapeutic agent from at least one of the reservoirs, the therapeutic agent is combined with a carrier fluid in the mixing chamber and then transported to a delivery site in a human or animal.

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