Method and system for measuring urine volume and urine flow rate

Abstract

The invention relates to a method and system for measuring the urine volume and the urine flow rate. The method comprises the steps of collection, preprocessing, filtering, conversion and display. The system for measuring the urine volume and the urine flow rate comprises a scale and a urine collection bag placed on the scale, the urine collection bag is provided with a urine inlet pipe for collecting urine, the scale is supported through more than two weight sensors, a specific gravity sensor is in series connection with the urine inlet pipe, and a computer and a display are connected with the weight sensors and the specific gravity sensor. Due to the fact that the method and the system are adopted, measurement accuracy is greatly improved by means of urine specific gravity data in the urine volume and urine flow rate calculation process, and experiments show that the accuracy can reach 0.5%.

Description

technical field [0001] The invention relates to a medical measurement method and a measurement system based on the method, in particular to a method and a measurement system for measuring urine volume and flow rate. Background technique [0002] Urine volume refers to the volume of urine excreted by a patient per unit time, and is usually used to monitor and measure (hereinafter referred to as measurement) the patient's urination status over a long period of time. [0003] Uroflow rate also refers to the volume of urine excreted by a patient per unit time, and is usually used to measure the urination status of a patient in a short period of time. [0004] Urine specific gravity refers to the ratio of the weight of urine to the same volume of water at 4 degrees Celsius, and is an indicator of the concentration of solutes contained in urine. [0005] In clinical medicine and surgery, online real-time measurement of the patient's urine output and flow rate is very necessary, b...

AI Technical Summary

Problems solved by technology

[0006] The prior art only has short-term measurement of urine volume, such as 20-minute urine volume measurement, usually using the hanging scale weighing method, which generally does not exceed 1 hour of measurement at most, due to the difficulty in the design of its hanging structure , the structure is not stable enough, which affects the accuracy of the measurement results

[0007] However, the photoelectric method can realize the measurement of urine volume for a long time, such as 24-hour online measurement, but the photoelectric method has the defect of large error, and its accuracy can only reach 1%, that is, the measurement accuracy cannot reach the medical diagnosis. desired accuracy

[0008] In addition, existing urine volume and urine flow rate measurement methods and systems cannot perform online real-time measurement, especially long-term continuous measurement, such as 24-hour online measurement

[0009] Finally, the existing technology does not use urine specific gravity parameters to measure urine volume and urine flow rate. This is because the existing measurement methods do not have online measurement of urine specific gravity, and only offline manual measurement of urine specific gravity can be used.

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