Method and apparatus for optimizing in vivo measurement accuracy when measuring open blood pressure using a fluid-filled catheter / sphygmomanometer system
A medical signal processing device, a catheter filled with sterile fluid, a pressure line filled with sterile fluid, having one or more plugs or couplings, and connected to the catheter； A pressure transducer flush system unit filled with sterile fluid, the pressure transducer flush system unit connected to a pressure line and a pressurized containment bag filled with sterile fluid, and a pressure transducer flush A pressure transducer incorporated in a system unit, wherein the pressure transducer is provided with a membrane configured to convert a pressure signal into an electrical signal and to transmit the electrical signal to a medical signal processing device, and a pressure transducer flash system The hula built into the unit A flush system configured to ensure that a continuous flush from the containment bag to the catheter is maintained, wherein the flush system is temporarily opened and closed again for a short period of time. Or measuring blood pressure using a fluid-filled catheter and sphygmomanometer system with a manually operated element configured to temporarily open the flash system for longer periods of time A method and apparatus for optimizing in-vivo measurement accuracy when calculating a natural frequency and damping coefficient of a fluid-filled catheter / sphygmomanometer system and using the natural frequency and damping coefficient Calculating the dynamic response diagram of a fluid-filled catheter / sphygmomanometer system and inverting the fluid-filled catheter / sphygmomanometer system Calculating the dynamic response diagram, using the inverted dynamic response diagram as a filter to process the signal measured by the pressure transducer, and then processing the invasive blood pressure signal and the invasive blood pressure value from the processed signal Calculating.医用信号処理デバイスと、無菌流体が充填されたカテーテルと、無菌流体が充填された圧力ラインであって、１つ以上の栓又はカップリングを有し、且つ、カテーテルに接続された圧力ラインと、無菌流体が充填された圧力トランスデューサ・フラッシュシステムユニットであって、圧力ラインに、且つ、無菌流体が充填された加圧された収容バッグに接続された圧力トランスデュ
