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    • 14. 发明申请
    • Ultrasonic imaging catheter
    • 超声波成像导管
    • US20050027198A1
    • 2005-02-03
    • US10631872
    • 2003-07-31
    • Lucien Couvillon
    • Lucien Couvillon
    • A61B8/12G10K11/35A61B8/14
    • A61B8/12A61B8/445A61B8/4461A61M2025/0058G10K11/357
    • An ultrasonic imaging catheter apparatus and a method of using the same to scan the inner wall of a body lumen. The ultrasonic imaging catheter apparatus comprises: (a) a flexible elongate element adapted for insertion into a body lumen, the elongate element having distal and proximal ends; (b) an ultrasonic transducer generating and detecting ultrasonic energy disposed proximate the distal end of the elongate element; (c) a reflective member disposed proximate the ultrasonic transducer and optionally rotatable with respect to an axis of the body lumen, wherein the reflective member is adapted to reflect (i) ultrasonic energy generated by the ultrasonic transducer to a wall of the body lumen and (ii) ultrasonic energy reflected by the wall back to the transducer; and (d) an actuator, for example, an electroactive polymer actuator, adapted to change the angle of incidence of the ultrasonic energy relative to the reflective member.
    • 一种超声成像导管装置及其使用方法来扫描体腔的内壁。 所述超声成像导管装置包括:(a)适于插入体腔的柔性细长元件,所述细长元件具有远端和近端; (b)产生和检测设置在所述细长元件的远端附近的超声能量的超声换能器; (c)反射构件,其设置在所述超声换能器附近并且可选地相对于所述体腔的轴线旋转,其中所述反射构件适于将(i)由所述超声换能器产生的超声能量反射到所述体腔的壁,以及 (ii)由壁反射回换能器的超声波能量; 和(d)致动器,例如电活性聚合物致动器,其适于改变超声能量相对于反射构件的入射角。
    • 20. 发明申请
    • Electroactive polymer actuated medication infusion pumps
    • 电动聚合物致动药物输液泵
    • US20050065500A1
    • 2005-03-24
    • US10981098
    • 2004-11-04
    • Lucien CouvillonPete NicholasMichael Banik
    • Lucien CouvillonPete NicholasMichael Banik
    • A61K9/22A61M5/142F04B43/00F04B43/08F04B45/02
    • A61M5/14276A61M2205/0283F04B43/0054F04B43/084F04B45/02
    • The present invention is directed to a drug delivery pump apparatus, which comprises: (a) an expandable and contractible enclosure having an interior volume that defines a medication reservoir; (b) one or more electroactive polymer actuators; (c) a medication outlet port providing fluid communication between the interior volume of the contractible and expandable enclosure and an exterior of the delivery pump apparatus; and (d) a control unit electrically coupled to the one or more actuators and sending control signals to the same. The one or more electroactive polymer actuators act to reduce the interior volume of the contractible and expandable enclosure based upon the received control signals. The present invention is also directed to a method of delivering a liquid therapeutic agent to a patient. The method comprises: (a) providing the above infusion pump apparatus; (b) placing the outlet port of the infusion pump apparatus in fluid communication with a patient; and (c) sending the control signals to the one or more actuators to reduce the internal volume of the contractible and expandable enclosure, thereby forcing a portion of the liquid therapeutic agent within the medication reservoir through the outlet port and into the patient.
    • 本发明涉及药物输送泵装置,其包括:(a)具有限定药物储存器的内部容积的可膨胀和收缩的外壳; (b)一种或多种电活性聚合物致动器; (c)药物出口端口,用于提供可收缩和可扩张的外壳的内部容积与输送泵装置的外部之间的流体连通; 和(d)控制单元,其电耦合到所述一个或多个致动器并向其发送控制信号。 一个或多个电活性聚合物致动器基于所接收的控制信号来减小可收缩和可扩张的外壳的内部容积。 本发明还涉及将液体治疗剂递送到患者的方法。 该方法包括:(a)提供上述输液泵装置; (b)将输液泵装置的出口端口与患者流体连通; 和(c)将所述控制信号发送到所述一个或多个致动器以减小所述可收缩和可扩张的外壳的内部容积,从而迫使所述液体治疗剂的一部分在所述药物储存器内通过所述出口并进入所述患者。