The patent's assignee for patent number 8529539 is
News editors obtained the following quote from the background information supplied by the inventors: "The delivery of a therapeutic agent onto or within the body of a patient is common in the practice of modern medicine. In vivo delivery of therapeutic agents is often implemented using medical devices that may be temporarily or permanently placed at a target site within the body. These medical devices can be maintained, as required, at their target sites for short or prolonged periods of time, delivering therapeutic agents at the target site."
As a supplement to the background information on this patent, NewsRx correspondents also obtained the inventors' summary information for this patent: "In one aspect, the present disclosure is directed to medical devices which comprise an electroactive polymer material and therapeutic-agent containing particles. The device is configured such that the particles are delivered from the device upon actuation of the electroactive polymer material.
"In one embodiment, the medical device comprises: a surface with at least one depression; an electroactive polymer material positioned in the depression and configured for electrical communication with a source of electrical power; and particles comprising a therapeutic agent disposed within the depression over the electroactive polymer material. When the electroactive polymer material is electrically actuated, the electroactive polymer material pushes the particles out of the device.
"Advantages of medical devices in accordance with the present disclosure include one or more of the following: (a) the ability to achieve fast and efficient transfer of therapeutic agent into tissue, (b) the ability to deliver a predefined amount of therapeutic agent uniformly into tissue, © the ability to deliver drug into tissue whereby there is minimal loss prior to electroactive polymer actuation, and (d) the ability to provide for sustained presence of therapeutic agent in the tissue for days or weeks after delivery of the particles (depending on the release characteristics of the particles).
"These and other aspects, embodiments and advantages will become readily apparent to those of ordinary skill in the art upon review of the Detailed Description and any claims to follow."
For additional information on this patent, see: Weber, Jan; Flanagan,
Keywords for this news article include: Therapy, Biotechnology Companies,
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