Infusion pump blocking pressure detection method, device, equipment and medium

Abstract

The invention discloses a method for detecting the blockage pressure of an infusion pump. The method comprises: after the infusion pump is started, acquiring the first sensing pressure detected by the pressure sensor at the first moment, and obtaining the first sensing pressure at the second moment different from the first moment. Detected second sensor pressure. The function coefficient of the pressure function of the infusion tube is calculated according to the first sensing pressure at the first moment and the second sensing pressure at the second moment. The real-time sensing pressure detected by the pressure sensor is obtained in real time, and the pressure function is updated according to the real-time sensing pressure. Obtain the current sensing pressure detected by the pressure sensor at the current moment, calculate the current infusion tube pressure at the current moment according to the target pressure function, and calculate the current blocking pressure according to the current sensing pressure and the current infusion tube pressure. The present invention excludes the accurately obtained pressure of the infusion tube when calculating the obstruction pressure, thereby finally improving the detection accuracy of the obstruction pressure of the product. In addition, an occlusion pressure detection device, device and storage medium are also proposed.

Description

technical field [0001] The present invention relates to the technical field of medical devices, in particular to a method, device, equipment and medium for detecting the blocking pressure of an infusion pump. Background technique [0002] At present, the detection of the blocking pressure of the infusion pump on the market uses the difference method to exclude the pressure of the infusion tube itself, so as to obtain the pressure of the liquid in the infusion tube (ie the blocking pressure) more accurately. At present, for the processing of the initial value, some take a certain fixed value, and some take the minimum value continuously. At present, various infusion tubes commonly found on the market, including PVC (Polyvinyl chloride, polyvinyl chloride) tubes, all have the same stress relaxation phenomenon (that is, the total deformation of the infusion tube remains unchanged, and the creep increases the plastic deformation and the elastic deformation. a corresponding decr...

AI Technical Summary

Problems solved by technology

It is precisely because of the characteristics of the polymer material of the infusion tube that the pressure value of the infusion tube itself will continue to decrease, so the effect of calculating the blocking pressure with a certain fixed value will be very poor

However, if the minimum value of the infusion tube pressure is continuously taken, it is also difficult to obtain the minimum value accurately.

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