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    • 4. 发明申请
    • AN ULTRASOUND TRANSCEIVER AND USES THEREOF
    • 超声波收发器及其用途
    • WO2012052922A1
    • 2012-04-26
    • PCT/IB2011/054636
    • 2011-10-18
    • CARDIOSONIC LTD.SVERDLIK, ArielSHABTAY, Or
    • SVERDLIK, ArielSHABTAY, Or
    • A61B17/22A61N7/00G01S15/89
    • A61B17/320068A61B17/2202A61B2017/00106A61B2017/22008A61B2017/22051A61B2017/22081A61B2090/378A61M37/0092A61N7/02A61N7/022A61N2007/0078
    • A dual use ultrasonic transceiver device for combined sensing and power transmission, comprises a first piezoelectric transceiver sized for placement in a body lumen; a power unit enabling an ultrasonic power beam for thermal tissue damage or ablation in a tissue ablation region; and a sensing unit enabling an ultrasonic sensing beam for sensing at said tissue ablation region. In one example, a single piezoelectric surface is electrically connected to a mounting; and the mounting provides a first region of the piezoelectric surface with a first relatively high level of damping and a second region of said piezoelectric surface with a second relatively low level of damping, thereby to enable sensing from said first region and power transmission from said second region. Changes in efficiency of the transceiver or the treatment during use may be inferred from changes in the impulse response or impedance or changes in the temperature of liquids that have flowed past the transceiver.
    • 一种用于组合感测和电力传输的双重用途超声波收发器装置,包括尺寸适于放置在体腔中的第一压电收发器; 功率单元,其能够使超声波功率束用于组织消融区域中的热组织损伤或消融; 以及感测单元,其使得能够在所述组织消融区域感测的超声波感测光束。 在一个示例中,单个压电表面电连接到安装件; 并且所述安装件提供具有第一相对高水平的阻尼的所述压电表面的第一区域和所述压电表面的第二区域,具有第二相对低水平的阻尼,从而能够从所述第一区域感测和从所述第二区域的电力传输 地区。 收发器效率的变化或使用过程中的处理可以通过脉冲响应或阻抗的变化或已经流经收发器的液体的温度变化来推断。
    • 7. 发明申请
    • ASPIRATING BALLOON CATHETER FOR TREATING VULNERABLE PLAQUE
    • 用于处理易燃液体的吸入式气体导管
    • WO2003059179A1
    • 2003-07-24
    • PCT/US2003/000409
    • 2003-01-07
    • SCIMED LIFE SYSTEMS, INC.
    • DOBRAVA, Eric, M.KOKATE, Jaydeep, Y.
    • A61B17/22
    • A61M25/104A61B17/22A61B17/320708A61B2017/22079A61B2017/22081A61B2217/005A61M2025/1013A61M2025/1072A61M2025/1075A61M2025/109
    • Devices and methods for extracting core material contained in plaque deposits inside a blood vessel are presented. A device in accordance with one embodiment of the invention includes a catheter having an elongate shaft, a collection array of a plurality of collection lumens disposed about the distal portion of the elongate shaft, a means for radially extending and/or collapsing the collection array, and a suction means for extracting material from the lumen of the blood vessel. A method in accordance with one embodiment of the present invention includes the steps of inserting the distal portion of the catheter into a lumen of the blood vessel, positioning the distal end of the collection array proximate plaque deposits, extending the collection array to rupture the plaque deposits and urging core material therefrom, and extracting the material using a suction means fluidly coupled to the proximal end of the collection array.
    • 提出了用于提取包含在血管内的斑块沉积物中的核心材​​料的装置和方法。 根据本发明的一个实施例的装置包括具有细长轴的导管,围绕细长轴的远端部分设置的多个收集腔的收集阵列,用于径向延伸和/或收缩收集阵列的装置, 以及用于从血管的内腔提取物质的抽吸装置。 根据本发明的一个实施例的方法包括以下步骤:将导管的远端部分插入血管的内腔,将收集阵列的远端靠近斑块沉积物,延伸收集阵列以破裂斑块 沉积和推动芯材,并且使用流体耦合到收集阵列的近端的抽吸装置提取材料。