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    • 2. 发明授权
    • Balloon catheter inflation device including apparatus for monitoring and
wireless transmission of inflation data, and system
    • 球囊导管充气装置,包括用于监测和无线传输通气数据的装置,以及系统
    • US5318533A
    • 1994-06-07
    • US839628
    • 1992-02-21
    • Daniel O. AdamsDavid J. HaskvitzThomas J. HolmanWilliam H. PennyDavid J. SerdarJohn M. Yates
    • Daniel O. AdamsDavid J. HaskvitzThomas J. HolmanWilliam H. PennyDavid J. SerdarJohn M. Yates
    • A61F2/958A61M29/00A61M5/00
    • A61M25/10184A61M25/1018A61M25/10182A61M25/104A61M2205/50Y10S128/903
    • An inflation device includes a syringe forming a cylindrical chamber containing a plunger carrying a stopper or piston arrangement. The chamber is designed to contain an inflation fluid and is in fluid communication with the lumen of a balloon catheter. Movement of the plunger within the chamber will increase or decrease the pressure of the fluid within the chamber and lumen, thereby inflating or deflating the balloon at the distal end of the catheter. A pressure sensor is mounted to the housing in fluid communication with the lumen and is electrically connected to a battery-operated transmitter. The transmitter broadcasts signals representing pressure within the lumen and balloon to a remote receiver. The receiver includes a microprocessor containing a clock and operable to display time and pressure data. A flexible insulator strip is interposed between the battery and the transmitter circuit to prevent operation of the transmitter until desired by the cardiologist. The housing of the inflation device may be opened to remove the batteries for separate disposal and to render the circuit inoperative to prevent reuse. A look-up table associated with the microprocessor permits display of balloon diameter during the procedure.
    • 膨胀装置包括一个注射器,该注射器形成一个圆筒形腔室,该圆柱形腔室包含一个承载塞子或 腔室被设计成容纳充气流体并且与球囊导管的内腔流体连通。 柱塞在腔室内的运动将增加或减小腔室和腔内的流体的压力,从而在导管的远端处膨胀或放气气囊。 压力传感器安装到外壳上,与腔体流体连通,并与电池供电的变送器电连接。 发射机将表示内腔和气球内的压力的信号广播到远程接收器。 接收机包括一个包含时钟并可操作以显示时间和压力数据的微处理器。 在电池和发射器电路之间插入柔性绝缘体条,以防止发射器的操作,直到心脏病专家期望。 可以打开充气装置的壳体以移除电池以进行单独处理,并使电路不起作用以防再次使用。 与微处理器相关联的查找表允许在该过程期间显示气球直径。