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    • 87. 发明授权
    • Internal medical devices for delivery of therapeutic agent in conjunction with a source of electrical power
    • 用于与电力源一起递送治疗剂的内部医疗装置
    • US07850645B2
    • 2010-12-14
    • US11055930
    • 2005-02-11
    • Liliana AtanasoskaThomas J. HolmanJan WeberRobert WarnerScott Schewe
    • Liliana AtanasoskaThomas J. HolmanJan WeberRobert WarnerScott Schewe
    • A61M29/00
    • A61N1/325A61N1/05A61N1/306A61N1/327
    • The invention generally relates to internal (e.g., implantable, insertable, etc.) drug delivery devices which contain the following: (a) one or more sources of one or more therapeutic agents; (b) one or more first electrodes, (c) one or more second electrodes and (d) one or more power sources for applying voltages across the first and second electrodes. The power sources may be adapted, for example, to promote electrically assisted therapeutic agent delivery within a subject, including electroporation and/or iontophoresis. In one aspect of the invention, the first and second electrodes are adapted to have tissue of a subject positioned between them upon deployment of the medical device within the subject, such that an electric field may be generated, which is directed into the tissue. Furthermore, the therapeutic agent sources are adapted to introduce the therapeutic agents into the electric field. In another aspect, the therapeutic agent sources are polymeric regions that contain one or more types of ion-conductive polymers and one or more types of charged therapeutic agents. In yet another aspect, the therapeutic agent sources are polymeric regions that contain one or more types of electrically conductive polymers and one or more types of charged therapeutic agents.
    • 本发明一般涉及含有以下物质的内部(例如,可植入,可插入等)药物递送装置:(a)一种或多种一种或多种治疗剂来源; (b)一个或多个第一电极,(c)一个或多个第二电极和(d)用于在第一和第二电极上施加电压的一个或多个电源。 电源可以适应于例如促进受试者内的电辅助治疗剂递送,包括电穿孔和/或离子电渗疗法。 在本发明的一个方面中,第一和第二电极适于在医疗装置在受试者内展开时使被检体的组织位于它们之间,使得可以产生被引导到组织中的电场。 此外,治疗剂源适于将治疗剂引入电场。 另一方面,治疗剂来源是含有一种或多种类型的离子导电聚合物和一种或多种类型的带电治疗剂的聚合物区域。 在另一方面,治疗剂来源是含有一种或多种类型的导电聚合物和一种或多种类型的带电治疗剂的聚合物区域。
    • 88. 发明申请
    • MAGNETIC PARTICLES FOR DELIVERING THERAPEUTIC AGENT TO A TARGET LOCATION
    • 用于将治疗药物递送至目标位置的磁性颗粒
    • US20100269838A1
    • 2010-10-28
    • US12765369
    • 2010-04-22
    • Aiden FlanaganKent HarrisonLiliana AtanasoskaDavid SogardLiza Davis
    • Aiden FlanaganKent HarrisonLiliana AtanasoskaDavid SogardLiza Davis
    • A61B19/00
    • A61K9/0009A61K9/1676A61K9/501A61K9/5094A61K9/5115
    • A system for delivering therapeutic agent to a target location in a body in accordance with one embodiment is provided comprising a plurality of magnetic particles, each magnetic particle carrying a therapeutic agent, and a magnetic device for attracting the magnetic particles to a target location. The magnetic particles may be delivered by a catheter into a blood vessel upstream from the target location so that they travel toward the target location. A method for delivering therapeutic agent to a target location in a body in accordance with another embodiment comprises providing a plurality of magnetic particles, each magnetic particle carrying a therapeutic agent, placing a magnetic device in a position to attract the magnetic particles to a target location, and allowing the magnetic particles to infuse the target location by the attraction of the magnetic particles to the magnetic device. The therapeutic agent may comprises a therapeutic agent for preventing or treating reperfusion injury, and the step of providing the plurality of magnetic particles may comprise delivering the plurality of magnetic particles through a blood vessel.
    • 提供了根据一个实施例的用于将治疗剂递送到身体中的目标位置的系统,其包括多个磁性颗粒,每个携带治疗剂的磁性颗粒和用于将磁性颗粒吸引到目标位置的磁性装置。 磁性颗粒可以通过导管输送到目标位置上游的血管中,使得它们朝向目标位置行进。 根据另一实施例的用于将治疗剂递送到身体中的目标位置的方法包括提供多个磁性颗粒,每个磁性颗粒携带治疗剂,将磁性装置放置在将磁性颗粒吸引到目标位置的位置 ,并且允许磁性颗粒通过磁性颗粒吸引到磁性装置来注入目标位置。 治疗剂可以包括用于预防或治疗再灌注损伤的治疗剂,并且提供多个磁性颗粒的步骤可以包括通过血管递送多个磁性颗粒。