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    • 1. 发明授权
    • Intravascular obstruction removing wire and medical instrument
    • 血管内阻塞去除电线和医疗器械
    • US07575585B2
    • 2009-08-18
    • US11281358
    • 2005-11-18
    • Katsuya GotoTakashi KanekoTakeshi KanamaruMasahiro TakeuchiKeiji Okada
    • Katsuya GotoTakashi KanekoTakeshi KanamaruMasahiro TakeuchiKeiji Okada
    • A61M29/00A61B17/221
    • A61B17/221A61B2017/2212
    • An intravascular obstruction removing wire includes an elongate wire body, at least two non-branched wire portions having distal ends and proximal ends which are connected to a distal end of the wire main body, and a plurality of filament portions extending across the wire portions. The non-branched wire portions and the filament portions form a trapping portion. The trapping portion is deformable from a large-diameter state in which the non-branched portions branch to the distal end of the wire body forward in different directions and the filament portions are separated from each other, so that a space surrounded by the non-branched wire portions and the filament portions is formed to trap therein an obstruction in a blood vessel, to a small-diameter state in which the non-branched wire portions are positioned so that a distance between the wire portions is smaller than that of the wire portions in the large-diameter state.
    • 血管内梗阻去除线包括细长线体,至少两个非分支线部分,其具有连接到线主体的远端的远端和近端,以及延伸穿过线部分的多个细丝部分。 非分支线部分和细丝部分形成捕获部分。 捕获部从大直径状态变形,其中非分支部分向线体的远端分支到不同方向的前端,并且细丝部分彼此分离, 分支线部分和细丝部分形成为将血管中的梗阻捕获到非分支线部分定位的小直径状态,使得线部分之间的距离小于线的距离 大直径状态的部分。
    • 7. 发明申请
    • Impedance adjustment circuit
    • 阻抗调节电路
    • US20090212816A1
    • 2009-08-27
    • US12379464
    • 2009-02-23
    • Hiromu KatoMasahiro Takeuchi
    • Hiromu KatoMasahiro Takeuchi
    • H03H11/30H03H11/02H03K19/003
    • H03H7/40
    • Disclosed is an impedance adjustment circuit including a comparator and a resistor control circuit. The comparator compares the resistance value of an external resistor and that of a replica resistor that forms a replica of a terminal resistor. The resistor control circuit includes a replica resistor control counter, a resistor-under-adjustment control signal holding circuit and a monitor circuit. The replica resistor control counter counts up and down based on the comparison result by the comparator to output a control signal to the replica resistor. The resistor-under-adjustment control signal holding circuit holds a control signal that is delivered to the terminal resistor. The monitor circuit receives the state of the counter and an output of the retention circuit and, in case the difference between the count state of the replica resistor control counter and an output of the resistor-under-adjustment control signal holding circuit is within a preset range, delivers the output of the resistor-under-adjustment control signal holding circuit as an input to the resistor-under-adjustment control signal holding circuit.
    • 公开了一种包括比较器和电阻器控制电路的阻抗调节电路。 比较器比较外部电阻的电阻值和形成端子电阻的复制品的复制电阻的电阻值。 电阻控制电路包括复制电阻控制计数器,电阻调节下调控制信号保持电路和监视电路。 复制电阻控制计数器根据比较器的比较结果向上和向下计数,以将控制信号输出到复制电阻。 电阻调节下调节控制信号保持电路保持传送到端子电阻器的控制信号。 监视电路接收计数器的状态和保持电路的输出,并且在复制电阻控制计数器的计数状态与电阻调节不足调整控制信号保持电路的输出之间的差在预设值 将电阻调节不足的控制信号保持电路的输出作为输入提供给电阻调整不足的控制信号保持电路。