Multi-parameter fusion digital flushing remote monitoring system and method

Abstract

A multi-parameter fusion digital flushing remote monitoring system is characterized in that a central processing unit is electrically connected with an input control module, a flushing temperature control module, a color identification module, an output monitoring module, an output control module and a pressure sensor, and dynamically monitors the input of flushing liquid, the output of waste liquid, the color of the waste liquid and the pressure in a tube cavity; the urine volume, the blood content of waste liquid and the pipe blocking risk in the flushing process are analyzed and calculated; and the central processing unit is configured into a feedback control loop comprising a waste liquid blood content index, flushing liquid flow rate and temperature multi-parameter fusion and multi-mode flushing. The automation level of bladder irrigation is improved, and monitoring loopholes are reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to medical informatics, in particular to the technical field of ICT for treatment or health promotion. BACKGROUND

[0002] Bladder irrigation is a common technique in clinical practice for postoperative bleeding, urinary tract infection (UTI) or pyuria in urology. Especially after prostatectomy, transurethral resection of bladder tumor (TURBT), bladder irrigation can effectively remove postoperative blood clots or tissue fragments to prevent blood clots from forming and blocking the urinary tube. In existing clinical practice, 2000-3000ml of normal saline is continuously infused into the bladder for circulation irrigation. During the continuous irrigation process for several days, the irrigation fluid flow, flow rate, and waste fluid blood content data monitoring are highly dependent on manual monitoring, and the labor intensity of medical staff or accompanying family members is large, which does not meet the development requirements of current medical information technology, and there are great deficiencies. What's worse, many key medical monitoring data during the irrigation process are still missing, which poses a great clinical risk. For example, the patient's dynamic urine volume cannot be calculated during the irrigation process, the patency of the drainage tube cannot be dynamically monitored, and the occlusion state cannot be dynamically identified and warned. The above-mentioned many medical monitoring difficulties or pain points have not yet been completely solved. The timeliness, accuracy and remote management of medical data are the key technologies for early identification and early intervention of clinical risks, and are also one of the core contents of improving the level of medical information in China. Therefore, the applicant proposes a multi-parameter fusion digital irrigation remote monitoring system and method to make up for the deficiencies of existing technology in medical information technology. SUMMARY

[0003] The present application relates to a multi-parameter fusion digital irrigation remote monitoring system and method.

[0004] A multi-parameter fusion digital irrigation remote monitoring system, comprising a central processing unit, an input quantity control module, an irrigation temperature control module, a color recognition module, an output quantity monitoring module, an output quantity control module, a communication module and a human-computer interaction interface.

[0005] The central processing unit includes a core processor, a memory, a signal processor and a communication module. The core processor includes but is not limited to a single-chip microcomputer (MCU), a PLC and a CPU. The central processing unit is built-in embedded software for including hardware driving, function setting, parameter setting, data analysis and irrigation process control, and the embedded software is burned in the memory of the central processing unit.

[0006] The amount control module is used for dynamically measuring the amount and flow rate of the flushing liquid into the bladder and controlling or adjusting the flow rate of the flushing liquid. The amount control module is electrically connected to the central processing unit and controlled by the central processing unit. The amount control module feeds back the obtained amount and flow rate of the flushing liquid to the central processing unit and dynamically adjusts the flow rate of the flushing liquid according to the instruction of the central processing unit.

[0007] The amount control module comprises a liquid measuring device and a flow rate control device, wherein: The liquid measuring device is selected from, but not limited to, an infrared liquid drop sensor, a Doppler flow sensor and a gravity sensor, and is used for dynamically calculating the amount and flow rate of the flushing liquid. The liquid measuring device is arranged on the outer periphery of the flushing pipeline or at the combined part of the main machine and the flushing pipeline. For example, a flushing pipeline limiting groove is arranged in the main machine as a flow monitoring cavity, the liquid measuring device is arranged in the flow monitoring cavity, and the flow monitoring cavity is combined with the flushing pipeline. After the combination is completed, the liquid measuring device is just located on the outer periphery of the flushing pipeline, the amount and flow rate of the liquid flowing through the flushing pipeline are dynamically measured, and the measured data are sent to the central processing unit. Preferably, the liquid measuring device adopts the infrared liquid drop sensor, a Morfi drop funnel is arranged in the flushing pipeline, and the infrared liquid drop sensor is combined on the outer periphery of the Morfi drop funnel of the flushing pipeline, the drop speed of the flushing liquid is dynamically measured, and the amount data are sent to the central processing unit.

[0008] The flow rate control device can be an electronic throttle valve or a pipeline throttling device, and the flow rate control device is arranged on the outer periphery of the flushing pipeline. For example, the flow rate control device adopts the pipeline throttling device, and the pipeline throttling device mainly comprises a direct current motor, a transmission member and a throttling member. According to the flow rate given by the central processing unit, the direct current motor is instructed to drive the throttling member to move linearly, the flushing pipeline is slowly tightened or loosened, the throttling area of the inner cavity of the flushing pipeline is changed, and the increase or decrease of the flow rate of the flushing liquid or the blockage of the flushing liquid is realized.

[0009] In one embodiment, the amount control module adopts a peristaltic pump, the peristaltic pump controls the flow rate of the flushing liquid in the flushing pipeline according to the flow rate instruction given by the central processing unit, and feeds back the amount and flow rate to the central processing unit.

[0010] The flushing temperature control module is used for dynamically heating the flushing liquid and dynamically monitoring the temperature of the flushing liquid. The flushing temperature control module is electrically connected to the central processing unit and controlled by the central processing unit.

[0011] The flushing temperature control module comprises an electronic heating body and a temperature sensor. The electronic heating body comprises, but is not limited to, any one of the following: an electric heating wire, an infrared heating tube, a semiconductor heating body, and a PTC heating body. The specific way in which the flushing temperature control module warms the flushing liquid is not limited. In one embodiment, the flushing temperature control module is arranged on the outer wall of the flushing liquid container, and the flushing temperature control module warms the flushing liquid as a whole; or the flushing temperature control module is arranged on the outer periphery of the flushing pipeline, and the flushing temperature control module locally warms the flushing liquid flowing through the part.

[0012] The temperature sensor comprises, but is not limited to, any one of the following: an infrared temperature sensor, a thermocouple sensor, a thermistor sensor, and an IC temperature sensor. Preferably, an infrared temperature sensor is used, which is arranged on the outer periphery of the flushing pipeline downstream of the electronic heating body, dynamically monitors the temperature of the flushing liquid in the pipeline, and sends the temperature data to the central processing unit.

[0013] After the flushing temperature control module starts to warm the flushing liquid, the temperature sensor dynamically monitors the temperature of the flushing liquid output by the flushing pipeline, and feeds back the obtained temperature of the flushing liquid to the central processing unit. The central processing unit instructs the flushing temperature control module to dynamically adjust the thermal energy output power according to the set temperature, so that the output temperature of the flushing liquid is stably maintained within the set temperature range. For example, the temperature of the output flushing liquid is set to 35℃, with an allowable deviation of ±2℃, the flushing temperature control module starts to warm the flushing liquid, the temperature sensor dynamically monitors the temperature of the output flushing liquid, and when the temperature of the output flushing liquid reaches 37℃, the central processing unit instructs the flushing temperature control module to suspend heating. When the temperature of the output flushing liquid drops to 33℃, the central processing unit instructs the flushing temperature control module to continue to start heating, so that the temperature of the output flushing liquid is stably maintained within the range of 35℃±2℃.

[0014] The color recognition module is used to dynamically monitor the color information of the flushing discharged waste liquid, and is electrically connected to the central processing unit and feeds back the obtained color information to the central processing unit. The color recognition module comprises, but is not limited to, a color sensor (outputting RGB color information), a near-infrared spectrum sensor, and a high-definition camera.

[0015] The color recognition module is arranged on the outer periphery of the drainage pipeline, the drainage pipeline is a pipeline for guiding the waste liquid after flushing from the bladder to the drainage container, and the drainage pipeline is connected downstream of the urinary catheter. In one embodiment, a limiting groove is arranged at the bottom of the host computer of the application, and the color recognition module is arranged on the inner periphery of the limiting groove, so that the drainage pipeline is fixed in the limiting groove, and the color information of the waste liquid flowing through is dynamically collected. Alternatively, in another embodiment, the color recognition module is packaged as a separate unit, for example, the color recognition module is packaged as a finger blood oxygen instrument or a blood oxygen finger clip structure, and is clamped on the outer periphery of the drainage pipeline through which the waste liquid flows, so as to dynamically collect the color information of the waste liquid. The color recognition module communicates with the central processing unit through lead wires or wireless communication mode, and dynamically uploads the color information of the waste liquid obtained.

[0016] After the color recognition module feeds back the obtained color information to the central processing unit, the central processing unit gives a waste liquid blood content grading index according to the blood content in the waste liquid through the built-in color recognition algorithm. For example, the central processing unit gives four blood content indexes including high blood content, medium blood content, low blood content and no blood content according to the color recognition algorithm. The waste liquid blood content grading method has been disclosed in the technical solution of CN118252993A, and will not be described here.

[0017] The output monitoring module is used for dynamically measuring the output of the waste liquid discharged from the bladder, the output monitoring module is electrically connected with the central processing unit, and the obtained output of the waste liquid is fed back to the central processing unit.

[0018] The output monitoring module adopts, but is not limited to, an infrared liquid drop sensor, a liquid flow sensor and a gravity sensor, so that the sensor capable of dynamically and accurately measuring the liquid output of the waste liquid flowing out of the drainage pipeline is appropriate.

[0019] According to the working principles of the selected output monitoring module, the output monitoring module is arranged in different ways and positions. Generally, the output monitoring module is arranged on the upstream of the drainage container or the outer periphery of the drainage pipeline. For example, in one embodiment, the output monitoring module adopts a gravity sensor, and the gravity sensor is arranged at the bottom of the host computer of the application. In clinical use, the drainage container at the end of the drainage pipeline is hung on the gravity sensor, and the output of the waste liquid discharged into the drainage container is dynamically measured. In another embodiment, the output monitoring module adopts a Doppler liquid flow sensor, which is arranged on the outer periphery of the drainage pipeline through which the waste liquid flows, and dynamically measures the output of the waste liquid discharged into the drainage container.

[0020] The outflow control module is used to block or open the waste liquid discharge in the drainage pipeline, and the outflow control module is electrically connected with the central processing unit and controlled by the central processing unit. The outflow control module is arranged in the drainage pipeline upstream of the drainage container. When the central processing unit gives an instruction to block the waste liquid discharge, the outflow control module closes the internal passage of the drainage pipeline to block the waste liquid from entering the drainage container. When the central processing unit gives an instruction to discharge the waste liquid, the outflow control module opens the drainage pipeline, and the waste liquid enters the drainage container.

[0021] In an embodiment, a pressure sensor and a negative pressure pump are further provided, and the pressure sensor and the negative pressure pump are electrically connected with the central processing unit.

[0022] The pressure sensor is used to dynamically monitor the pressure conducted in the lumen of the drainage pipeline and send the acquired pressure data to the central processing unit. The range of the pressure sensor is at least-10 cmH20~0, and the measurement accuracy is not less than 1 cmH20.

[0023] The pressure sensor is arranged in the lumen of the drainage pipeline to directly measure the pressure data in the drainage pipeline. Alternatively, the pressure sensor is arranged in the bypass of the drainage pipeline, and the pressure measuring port of the pressure sensor is communicated with the lumen of the drainage pipeline through an extension pipe or a tee joint. For example, in an embodiment, the pressure measuring port of the pressure sensor is arranged on one side of the host computer, the pressure measuring port is communicated with the pressure measuring lumen of the drainage pipeline through an extension pipe, and the pressure conducted to the drainage pipeline through the bladder is dynamically monitored.

[0024] The negative pressure pump is a power device used to load negative pressure into the lumen of the drainage pipeline, and the negative pressure pump is controlled by the central processing unit and applies negative pressure to the lumen of the drainage pipeline or the lumen of the drainage container according to the working instruction given by the central processing unit.

[0025] The negative pressure pump is communicated with the lumen of the drainage pipeline or the lumen of the drainage container through a conversion connecting device. For example, in an embodiment, a negative pressure cavity connected by conversion is arranged in the drainage pipeline or the drainage container, the negative pressure cavity is a cavity capable of resisting a pressure not less than-5 KPa, and the negative pressure interface of the negative pressure pump is communicated with the negative pressure cavity in the drainage pipeline or the drainage container. Alternatively, the drainage container is prepared as a negative pressure-resistant drainage bottle, and the negative pressure interface of the negative pressure pump is communicated with the lumen of the drainage bottle through a negative pressure pipeline.

[0026] The communication module adopts any one of WiFi, Bluetooth or ZigBee. The communication module is used for remote data interaction with medical monitoring terminal software (including HIS, CIS, etc.), and the communication module can also be used for data interaction with other devices or consumables (such as temperature measuring urinary catheter) used in combination.

[0027] The man-machine interaction interface includes a display screen, a data interface and operation function keys.

[0028] A digital flushing remote monitoring system based on multi-parameter fusion, the central processing unit is electrically connected with the input control module, the flushing temperature control module, the color recognition module, the output monitoring module, the output control module and the pressure sensor, the liquid metering device, the temperature sensor, the color recognition module, the output monitoring module and the pressure sensor constitute a multi-parameter sensing unit, which dynamically monitors and feeds back the medical data including the input amount of flushing liquid, the output amount of waste liquid and the color of waste liquid; the flow rate control device, the electronic heating body and the output control module constitute a flushing execution unit, which dynamically regulates the flushing flow rate, temperature and waste liquid discharge state, and the multi-parameter sensing unit and the flushing execution unit constitute a multi-parameter fusion and multi-modal flushing feedback control loop. The multi-parameter fusion and multi-modal flushing feedback control loop dynamically monitors the input amount of flushing liquid, the output amount of waste liquid and the color of waste liquid, analyzes and calculates the urine volume, the blood content of waste liquid and the risk of pipe blockage during flushing. When the pipe blockage risk is identified, the central processing unit instructs the negative pressure pump to load negative pressure into the inner cavity of the drainage pipeline, and actively intervenes to clean and dredge the drainage pipeline.

[0029] The multi-parameter fusion digital flushing remote monitoring method is configured by the central processing unit to perform the following operations: Three working modes including continuous flushing, pulse flushing and continuous / pulse alternating flushing are performed; Based on the flow rate and temperature of the flushing liquid, the blood content and the flow rate, multi-parameter fusion is realized to dynamically regulate the temperature or flow rate of the flushing liquid; Based on the input amount of flushing liquid, the output amount of waste liquid or pressure, multi-parameter fusion is used to identify the risk of pipe blockage; When the pipe blockage risk is identified, the central processing unit instructs the input control module and the negative pressure pump to actively intervene to dredge the inner cavity of the drainage pipeline; According to the input amount of flushing liquid and the output amount of waste liquid, the urine volume of the patient during flushing is accurately calculated; The digital flushing remote monitoring method can select one or several working modes according to clinical needs: The continuous flushing working mode is that the input control module continuously injects flushing liquid into the bladder according to the set flushing liquid flow rate, dynamically monitors the input amount and flow rate of the flushing liquid, and the output monitoring module dynamically monitors the output amount of the flushing liquid to continuously flush the bladder.

[0030] The pulse mode of the flushing is that the outflow control module is closed in advance, the flushing liquid is stored in the bladder to make the blood clots or tissue fragments float, and when the preset flushing amount or pressure threshold is reached, the outflow control module is opened to quickly guide the waste liquid to the drainage container. Compared with the traditional continuous flushing mode, the pulse mode can avoid the blood clots or tissue fragments from settling in the bladder trigone area, effectively improve the flushing efficiency, and reduce the risk of pipe blockage.

[0031] The pulse mode of the flushing includes pulse quantitative flushing or pulse pressure flushing, wherein: The pulse quantitative flushing is that the central processing unit controls each flushing process according to the preset amount of the flushing liquid. After the outflow control module is closed, the inflow control module dynamically calculates the amount of the flushing liquid and feeds back to the central processing unit. When the flushing liquid in the bladder reaches the preset amount, the central processing unit instructs the outflow control module to open the drainage, and the first pulse quantitative flushing is completed. Then, the outflow control module is closed again to start the second flushing process, and the process is repeated.

[0032] The pulse pressure flushing is that the central processing unit controls each flushing process according to the preset pressure threshold. After the outflow control module is closed, the pressure sensor dynamically monitors the pressure in the bladder and feeds back to the central processing unit. When the pressure in the bladder reaches the preset pressure threshold, the central processing unit instructs the outflow control module to open the drainage, and the first pulse pressure flushing is completed. Then, the outflow control module is closed again to start the second flushing process, and the process is repeated.

[0033] The continuous / pulse alternating flushing mode is a mixed mode that combines the continuous flushing mode and the pulse flushing mode and automatically realizes the alternating work. For example, after the urological surgery, the continuous flushing is performed for 2 hours, then the pulse quantitative flushing or pulse pressure flushing mode is automatically selected for 2 hours, and then the continuous flushing mode is returned. The two modes are combined and automatically alternated.

[0034] During the execution of any of the above bladder flushing modes, the flushing temperature control module dynamically warms the flushing liquid according to the preset temperature of the flushing liquid, and the temperature sensor dynamically feeds back the temperature of the flushing liquid. The central processing unit dynamically adjusts the working power of the flushing temperature control module according to the feedback of the output temperature of the flushing liquid, so that the output temperature of the flushing liquid is stably maintained at the preset target value, and the dynamic regulation of the temperature of the flushing liquid is realized.

[0035] During the execution of any of the above bladder irrigation modes, the color recognition module dynamically monitors the color information of the discharged waste liquid and sends it to the central processing unit. According to the calculated and analyzed blood content index of the waste liquid, the central processing unit instructs the flow rate control device to dynamically adjust the irrigation flow rate and instructs the irrigation temperature control module to dynamically adjust the working power, thereby achieving dynamic regulation of the irrigation liquid flow rate and temperature.

[0036] For example: when the blood content is high, the central processing unit instructs the flow rate control device to increase the irrigation flow rate to prevent blood clots or tissue fragments from blocking, and the irrigation flow rate is maintained at 200-300 ml / min; when the blood content is moderate, the flow rate is maintained or adjusted to a moderate flow rate, and the irrigation flow rate is maintained at 80-150 ml / min; when the blood content is low, the irrigation flow rate is slowed down or intermittent irrigation is performed, and the irrigation flow rate is maintained at 30-60 ml / min; when there is no blood content, the central processing unit instructs the flow rate control device to clamp the irrigation pipeline to stop irrigation. At the same time, after adjusting the irrigation flow rate, the central processing unit instructs the irrigation temperature control module to dynamically adjust the working power to ensure that the temperature of the output liquid is maintained within the preset range.

[0037] Based on the fusion of multiple parameters such as irrigation liquid inflow, waste liquid outflow or pressure, the method for identifying the risk of pipe blockage includes: (1) The inflow control module and the outflow monitoring module interact with each other. When the waste liquid outflow < the irrigation liquid inflow, the central processing unit gives a pipe blockage risk prompt or warning information on the human-machine interaction interface.

[0038] During continuous irrigation, the inflow control module dynamically measures the irrigation liquid inflow from the irrigation pipeline into the patient's bladder and sends the irrigation liquid inflow to the central processing unit; the outflow monitoring module dynamically measures the waste liquid outflow from the bladder and sends the waste liquid outflow to the central processing unit; when the waste liquid outflow ≥ the irrigation liquid inflow, it is determined that the catheter or drainage pipeline is in an unobstructed state, and when the waste liquid outflow < the irrigation liquid inflow, the central processing unit gives a pipe blockage risk prompt or warning information on the human-machine interaction interface. For example, taking 5-15 minutes as a monitoring period, when the waste liquid outflow is less than 85-95% of the irrigation liquid inflow, the central processing unit gives a pipe blockage risk prompt on the human-machine interaction interface, suggesting that the medical staff pay attention to the risk; when the waste liquid outflow is less than 80% or 85% of the irrigation liquid inflow, the central processing unit gives a pipe blockage risk warning on the human-machine interaction interface, requiring the medical staff to respond urgently and intervene.

[0039] For example, during the pulse quantitative flushing mode, when the outflow monitoring module detects that there is no new liquid volume in the drainage pipeline or drainage container, it determines that the current quantitative flushing is complete; at the same time, the outflow monitoring module calculates the outflow of the waste liquid and sends it to the central processing unit, and when the central processing unit calculates that the outflow of the waste liquid is less than the inflow of the flushing liquid, it determines that there is still flushing liquid in the bladder that cannot be discharged due to blocked pipes, and the human-machine interface prompts the risk of pipe blockage. For example, if the set single flushing volume is 300 ml, after the pulse quantitative flushing is complete, the central processing unit calculates the outflow of the waste liquid, and if the outflow of the waste liquid is less than 90% of the current flushing volume (i.e. less than 270 ml), the human-machine interface prompts the risk of pipe blockage.

[0040] (2) The inflow control module and the pressure sensor data are fused, and there is no change in the pressure data during bladder irrigation; or when the pressure in the drainage pipeline decreases from positive pressure to zero pressure or changes to negative pressure, it is determined that the urinary catheter or drainage tube is blocked.

[0041] For example, during the bladder irrigation operation, the inflow control module senses that the flushing liquid is continuously entering the bladder, but the pressure sensor does not monitor that the pressure in the bladder does not change, which indicates that the urinary catheter or drainage tube is blocked, causing the pressure to be unable to be normally transmitted, and the human-machine interface prompts the risk of pipe blockage.

[0042] During the drainage of the waste liquid, the pressure sensor monitors the pressure in the drainage pipeline, and when the pressure decreases from positive pressure to zero pressure or changes to negative pressure, it is determined that the urinary catheter or drainage pipeline is blocked, causing the waste liquid to be unable to be normally discharged, and the human-machine interface prompts the risk of pipe blockage.

[0043] After selecting one of the irrigation operation modes, the inflow control module and the outflow monitoring module work cooperatively and data fusion to accurately calculate the urine volume of the patient during bladder irrigation.

[0044] The method for accurately calculating the urine volume during bladder irrigation is that the urine volume in a unit of time is equal to the outflow of the waste liquid minus the inflow of the flushing liquid in that time.

[0045] For example, the inflow control module dynamically measures the inflow of the flushing liquid into the patient's bladder from the flushing pipeline as 350 ml, and sends the inflow of the flushing liquid to the central processing unit; the outflow monitoring module dynamically measures the outflow of the waste liquid from the bladder as 410 ml, and sends the outflow of the waste liquid to the central processing unit. The outflow of the waste liquid 410 ml is the sum of the inflow of the flushing liquid and the urine volume into the bladder, and the central processing unit subtracts the inflow of the flushing liquid 350 ml from the outflow of the waste liquid 410 ml to calculate the dynamic urine volume or the hourly urine volume (i.e. the urine volume in one hour) of the patient as 60 ml, and reads out the urine volume value 60 ml on the human-machine interaction interface.

[0046] When the risk of tube blockage is identified, the central processing unit instructs the flow rate control device and the negative pressure pump to actively intervene and work together. The flow rate control device blocks the irrigation pipeline, interrupting the continuous flow of irrigation fluid into the bladder. The negative pressure pump starts working according to the pre-set negative pressure value (for example, the negative pressure value is set to -10 cmH2O ± 5 cmH2O), loading negative pressure into the drainage pipeline lumen, and attracting and removing blood clots or tissue fragments to clean the blockage in the drainage pipeline lumen.

[0047] During the negative pressure cleaning of the drainage pipeline lumen, the pressure sensor dynamically monitors the pressure in the drainage pipeline lumen, and the central processing unit dynamically adjusts the working power of the negative pressure pump according to the feedback pressure to keep the applied negative pressure value stable. When the applied negative pressure suddenly loses pressure (for example, the negative pressure value suddenly jumps from the set -10 cmH2O to 0 or -2 cmH2O), or the outflow monitoring module senses a continuous increase in the outflow of waste liquid, indicating that the blockage in the catheter or drainage pipeline has been removed, the negative pressure pump stops working, and the flow rate control device reopens the irrigation pipeline to continue flushing at the original set flow rate. Alternatively, when the applied negative pressure still cannot effectively unblock the blockage in the catheter or drainage pipeline, the central processing unit sends a warning message on the human-machine interaction interface to prompt manual intervention.

[0048] In one clinical practice, when the present application is used in combination with a catheter with temperature measurement function, it can also interact with the temperature data obtained by the catheter with temperature measurement function to dynamically collect the end point temperature of the irrigation fluid reaching the bladder. When performing bladder irrigation, the end point temperature of the irrigation fluid is dynamically fed back to the central processing unit, and the irrigation temperature control module adjusts the heating power more accurately according to the end point temperature of the irrigation fluid, so that the temperature of the irrigation fluid reaching the bladder is consistent with the set temperature.

[0049] It is obvious that a digital irrigation remote monitoring system based on multi-parameter fusion can also be used as a routine urine output, body temperature and intra-abdominal pressure monitoring device after completing the clinical operation of bladder irrigation. The outflow monitoring module can dynamically measure the urine output from the bladder and send the patient's urine output to the central processing unit to calculate the dynamic urine output, hourly urine output and daily urine output. The pressure sensor can dynamically monitor the pressure in the bladder or measure the intra-abdominal pressure through the bladder. When a catheter with temperature measurement function is used, the temperature in the bladder can also be dynamically collected to feed back the patient's core body temperature.

[0050] The beneficial effects of this invention are that it proposes a multi-parameter fusion-based digital irrigation remote monitoring system and method. It allows for personalized use of any one of three working modes: continuous irrigation, pulsed irrigation, or alternating continuous / pulsed irrigation. Based on changes in the blood content of the discharged waste fluid, the flow rate control device dynamically adjusts the irrigation flow rate, and the irrigation temperature control module dynamically adjusts the heating power according to changes in the irrigation fluid temperature under different irrigation flow rates, meeting diverse clinical needs. During bladder irrigation, the intake control module and output monitoring module work together to effectively measure the dynamic urine output of the patient during irrigation, filling existing nursing gaps. Simultaneously, it can effectively identify the risk of tube blockage under different working modes, and the negative pressure pump actively intervenes to clear any blockages in the tubing. This invention not only significantly improves the automation level of bladder irrigation and reduces monitoring gaps, possessing significant clinical value, but also greatly reduces the workload of medical staff and accompanying family members, possessing significant social value. Attached Figure Description

[0051] Figure 1 This is a schematic block diagram of the host unit of a digital rinsing remote monitoring system according to an embodiment of the present invention. Figure 2 This is a schematic diagram of the main unit of a digital flushing remote monitoring system with negative pressure function according to an embodiment of the present invention. Figure 3 This is a schematic diagram of the combination of the main unit and drainage pipeline of a digital flushing remote monitoring system with negative pressure function according to an embodiment of the present invention. Figure 4 This is a schematic diagram of the structure of a basic version of the digital rinsing remote monitoring system host according to an embodiment of the present invention. The diagram shows: bladder irrigation main unit 10, liquid metering device 101, flow rate control device 102, irrigation temperature control module 103, temperature sensor 104, color recognition module 105, output monitoring module 106, output control module 107, pressure sensor interface 108, negative pressure pump interface 109, lead wire 110, display screen 111, operation buttons 112, irrigation tubing 20, heating buffer chamber 201, irrigation fluid 30, drainage tubing 40, pressure measuring tubing 401, drainage container 402, negative pressure chamber 403, negative pressure tubing 404, and urinary catheter 50. Detailed Implementation

[0052] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0053] Example 1: Preparation method of the host 10 of a digital flushing remote monitoring system with negative pressure function according to the present invention 1. For example Figure 1 The schematic diagram of the digital rinsing remote monitoring system host 10 is shown in the block diagram.

[0054] 2、The main components used are listed as follows: The central processing unit uses STC89C52 single-chip microcomputer (STC Company) as the main control chip.

[0055] The liquid metering device 101 uses a clamp type flow sensor (Keyence Company), which is suitable for pipe diameters of 2.7 mm-5 mm.

[0056] The flow rate control device 102 is composed of a screw motor and a throttling element. The screw motor uses a turbine screw motor (Zhaowei), with a linear stroke of 6 mm. The throttling element uses a duck-billed piece, which is fixed on the head of the screw rod.

[0057] The flushing temperature control module 103 includes an aluminum-based PTC heating plate and a temperature controller. The heating plate has a size of 60 mm x 40 mm, a working voltage of 12 V, and a maximum heating temperature of 200℃. The temperature controller uses KSD9700 series temperature switch, with an action temperature of 0-200℃.

[0058] The temperature sensor 104 uses GD60914A digital thermopile infrared temperature sensor, with a temperature measurement range of 0-100℃ and a measurement accuracy of 0.1℃.

[0059] The color recognition module 105 uses TCS3472 color sensing module, with RGB three-color serial port output.

[0060] The output monitoring module 106 uses a gravity sensor of model SBT620 (Guangzhou), with a maximum error of ±0.2% and a range of 0-4 kg.

[0061] The output control module 107 uses PVM313 electric pinch valve (Sihan Intelligent), which is suitable for pipe with a maximum outer diameter of 11 mm, and the opening and closing motion takes 0.8 seconds.

[0062] The pressure sensor 108 uses model GZP6847 (Wuxi), with a range of -30KPa-0KPa.

[0063] The negative pressure pump 109 uses KVP04 diaphragm pump, with an input voltage of 5V, a flow range of ≥1.1L / min, and a maximum pressure of -90Kpa.

[0064] The communication module uses WiFi module, model QCA9377 (Qualcomm Company).

[0065] The storage module uses Samsung HY27US08561A chip, with a storage capacity of 32M.

[0066] The operation keys 112 of the human-computer interaction interface use Omron B3F type touch switch buttons, with a size of 12*12*7.3. The display screen 111 uses a 2.9 inch LCD liquid crystal, with a working voltage of DC 3.0V. The sound prompter uses a conventional buzzer.

[0067] The power supply uses an internal power source and is a 10000mA, 3.7V rechargeable lithium battery (EVE).

[0068] 3. According to the working principle diagram, design the PCB using conventional integrated circuit technology, and use electronic surface mount or soldering processes to prepare the control motherboard of the central processing unit.

[0069] The color recognition module 105 and the output control module 107 are packaged into an independent external component. The external component is connected and communicates with the host via a lead wire 110.

[0070] 4. For example Figure 2 As shown, a protective housing mold matching the size of the control motherboard is designed. The main structure and installation requirements of the protective housing and its major components are as follows: The protective housing has a limiting groove on the front for fixing the flushing pipe 20 and the heating buffer chamber 201. The liquid metering device 101 is set on the outer periphery of the limiting groove at the upper end of the heating buffer chamber 201, and the flow rate control device 102 is set on the outer periphery of the limiting groove at the lower end of the heating buffer chamber 201.

[0071] The rinsing temperature control module 103 is installed on the left and right sides of the limiting groove where the heating buffer chamber 201 is located, and the heating surface of the PTC heating plate can be in close contact with the heating buffer chamber 201.

[0072] The left side of the protective shell has a Type-C quick-connect interface for the lead wire 110; the right side of the protective shell has a negative pressure pump interface 109, which is connected to the negative pressure port of the negative pressure pump inside the protective shell; the right side of the protective shell also has a USB cable interface and a DC charging interface.

[0073] The front of the protective casing has an observation window with an LCD screen. Below the observation window are operation buttons 112, including power on / off buttons, working mode selection buttons, and parameter setting buttons.

[0074] The bottom of the protective housing is provided with a mounting position for the output monitoring module 106, and a suspension rod for suspending the drainage container is provided below the sensing port of the output monitoring module 106.

[0075] 5. For example Figure 2 As shown, install and fix each component inside the protective casing, power on and test; if it passes, it is ready.

[0076] Example 2: Clinical application of the digital irrigation remote monitoring system host 10 and irrigation tubing 20 prepared in Example 1. Taking a temperature and pressure measuring urinary catheter as an example, this illustrates the clinical application of the flushing tubing 20 in conjunction with the digital flushing remote monitoring system host 10. For example... Figure 3As shown, the components of the irrigation pipeline 20 are combined or assembled with the digital irrigation remote monitoring system host 10 according to the following requirements: 1. According to the indwelling catheter operation procedure, the temperature and pressure measuring catheter 50 is placed into the patient's bladder, and the drainage pipeline 40 head tapered joint is combined with the temperature and pressure measuring catheter 50 drainage interface to communicate.

[0077] 2. The drainage pipeline 40 is combined with the drainage container 402.

[0078] 3. The heating buffer cavity 201 of the irrigation pipeline 20 is placed into the limiting groove of the digital irrigation remote monitoring system host 10.

[0079] 4. The puncture needle of the irrigation pipeline 20 head is punctured into the irrigation fluid 30 bottle opening.

[0080] 5. The pressure measuring pipeline 401 of the drainage pipeline 40 is connected with the pressure sensor interface 108, the negative pressure pipeline 404 on the negative pressure cavity 403 is connected, and the negative pressure pipeline 404 is connected with the negative pressure pump interface 109.

[0081] 6. The lead wire 110 of the color recognition module 105 and the outflow control module 107 assembly is connected with the digital irrigation remote monitoring system host 10, and the color recognition module 105 and the outflow control module 107 are fixed on the outer periphery of the drainage pipeline 40.

[0082] 7. Turn on the digital irrigation remote monitoring system host 10, use the operation button 112 on the man-machine interaction interface to set the irrigation fluid 30 warming temperature to 35℃±2℃, set the irrigation flow rate to 20ml / min, set the opening pressure threshold to 30cmH2O, and set the negative pressure value to-10cmH2O.

[0083] 8. After the drainage parameter setting is completed, the outflow control module 107 automatically clamps the drainage pipeline 40 channel, and the irrigation is started. The liquid metering device 101 dynamically monitors the flow rate of the irrigation fluid 30 in the irrigation pipeline 20 and feeds back to the central processing unit. The flow rate control device 102 adjusts according to the dynamic flow rate, so that the flow rate is stably maintained at 20ml / min.

[0084] 9. The temperature sensor 104 dynamically monitors the output irrigation fluid 30 temperature and feeds back to the central processing unit. When the output irrigation fluid 30 temperature reaches 37℃, the central processing unit instructs the irrigation temperature control module 103 to suspend heating; when the output irrigation fluid 30 temperature reaches 33℃, the central processing unit instructs the irrigation temperature control module 103 to continue heating.

[0085] 10、During drainage, the pressure sensor dynamically monitors the pressure in the drainage line 40 and feeds back to the central processing unit. When the pressure in the drainage line 40 reaches 30 cmH2O, the central processing unit instructs the outflow control module 107 to open the drainage line 40, and the waste liquid in the bladder is drained into the drainage container 402.

[0086] 11、The outflow monitoring module 106 dynamically monitors the outflow of waste liquid and feeds back to the central processing unit. When there is no new outflow of waste liquid, it is prompted that the first flushing drainage is completed, and the outflow control module 107 re-closes the drainage line 40 to start the second flushing drainage, and so on.

[0087] 12、During flushing, the color recognition module 105 dynamically recognizes the color of the waste liquid in the drainage line 40 and feeds back to the central processing unit. When the color recognition module 105 senses that the color of the waste liquid is dark red, it indicates that the blood content in the waste liquid is high, and the flow rate control device 102 actively increases the flow rate of the flushing liquid to 30 ml / min for rapid flushing. When the color recognition module 105 senses that the color of the waste liquid is lighter, it indicates that the blood content in the waste liquid is reduced, and the flow rate control device 102 reduces the flow rate of the flushing liquid to 10 ml / min for low-speed flushing. When the color recognition module 105 senses that the color of the waste liquid is clear or colorless, it indicates that there is no blood in the outflow waste liquid, and the flow rate control device 102 is further reduced to 5 ml / min for low-speed flushing. After 1 hour of low-speed flushing, if the color of the waste liquid remains clear or colorless, it is prompted on the human-computer interaction interface that the flushing is completed.

[0088] 13、During flushing, when the risk of pipe blockage is identified, the liquid metering device 101, the outflow monitoring module 106, the flow rate control device 102, the pressure sensor and the negative pressure pump actively intervene and work cooperatively. Specifically, the flow rate control device 102 blocks the flushing line 20 to block the flushing liquid from continuing to enter the bladder, and the central processing unit instructs the negative pressure pump to start working according to the set negative pressure value of-10 cmH2O to load negative pressure to the negative pressure cavity 403 of the drainage line 40, and the negative pressure suction removes blood clots or tissue fragments to unblock the blockage in the lumen of the drainage line 40.

[0089] Example 3 Clinical application of pulse quantitative flushing, pulse constant pressure flushing and periodic rehabilitation training of bladder function 1、Pulse quantitative flushing mode In the human-computer interaction interface, the pulse type quantitative flushing mode is selected, and the outflow control module first clamps the drainage pipeline channel. In the human-computer interaction interface, the single flushing liquid inflow and the flow rate are set, or the heating temperature is set according to the clinical actual demand, for example, the single flushing liquid inflow is set to 300 ml, the flow rate is set to 20 ml per minute, and the flushing liquid output temperature is set to 35 DEG C. After the flushing is started, the flow rate control device opens the flushing pipeline according to the set flow rate, and dynamically adjusts the throttling area of the flushing pipeline, so that the flushing flow rate is stably maintained within the set value range (for example, 20 ml+2 ml / min). The inflow control module dynamically monitors the flushing liquid inflow into the bladder, and feeds back to the central processing unit. When the flushing liquid inflow reaches 300 ml, the flow rate control device temporarily blocks the flushing liquid inflow in the flushing pipeline, the outflow control module opens the drainage pipeline channel, and the potential energy of the outflow is opened in the moment of temporarily storing the liquid in the bladder. The flushing liquid in the bladder is discharged into the drainage container or the drainage bottle together with the blood clots and tissue fragments. After the outflow monitoring module monitors that there is no new liquid inflow, the central processing unit instructs the outflow control module to close the drainage pipeline again, the flow rate control device injects the flushing liquid into the bladder according to the set flow rate again, the inflow control module dynamically monitors the flushing liquid inflow into the bladder again, and feeds back to the central processing unit, so that the second and third flushing is started. Repeat, and control in cycles.

[0090] 2、Pulse type constant pressure flushing mode In the human-computer interaction interface, the pulse type constant pressure flushing mode is selected, and the outflow control module clamps the drainage tube channel. In the human-computer interaction interface, the pressure threshold and flow rate in the drainage tube are set, or the heating temperature is set according to the actual clinical needs, for example, the bladder pressure threshold is set to 30 cmH2O, the flow rate is 25 ml per minute, and the flushing liquid output temperature is 37℃. After starting the flushing, the flow rate control device opens the flushing tube according to the set flow rate, and dynamically adjusts the throttling area of the flushing tube to keep the flushing flow rate stable within the set value range (such as 25 ml ± 3 ml / min). The pressure sensor dynamically monitors the intravesical pressure and feeds back to the central processing unit. When the intravesical pressure reaches 30 cmH2O, the flow rate control device temporarily blocks the flushing liquid from flowing out of the flushing tube, the outflow control module opens the drainage tube channel, and the drainage is opened instantaneously to drain the flushing liquid in the bladder together with blood clots and tissue fragments into the drainage container or drainage bottle. Compared with the traditional continuous flushing of inflow and outflow, it has higher fluid potential and can effectively improve the flushing efficiency and reduce the pipe blockage. After the outflow monitoring module monitors that there is no new liquid volume, the central processing unit instructs the outflow control module to close the drainage tube again, and the flushing is completed. The flow rate control device injects flushing liquid into the bladder again according to the set flow rate, the pressure sensor dynamically monitors the intravesical pressure and feeds back to the central processing unit, and the second and third flushing starts, and so on. In the embodiment provided with the pressure sensor, since the waste liquid in the drainage tube can dynamically transmit the pressure in the bladder and reflect the filling state of the flushing liquid in the bladder, the drainage is opened instantaneously in the state of high filling degree of the flushing liquid in the bladder, which can also achieve the effect of improving the flushing efficiency and reducing the pipe blockage.

[0091] 3. Periodic rehabilitation training of bladder function According to the technical principle that the liquid in the drainage pipeline can dynamically transfer the pressure in the bladder, in addition to the pulse type constant pressure flushing, in the embodiment provided with a pressure sensor, another clinical application is that the pressure sensor cooperates with the output control module to automatically control the opening state of the drainage pipeline based on the set bladder pressure tolerance value according to the filling degree of the urine in the bladder, and automatically perform periodic rehabilitation training of bladder function. The specific mode includes that the drainage pipeline is provided with a pressure measuring pipeline, the pressure sensor is connected with a pressure measuring port of the pressure measuring pipeline, and the output control module clamps and closes the drainage pipeline channel downstream of the pressure measuring pipeline. The bladder pressure threshold is set on the human-computer interaction interface, for example, set to 35 cmH2O. The pressure sensor dynamically monitors the pressure in the bladder and feeds back to the central processing unit. As the patient continuously secretes urine, the pressure value conducted in the bladder also continuously rises. When the pressure in the bladder reaches 35 cmH2O, the output control module opens the drainage pipeline channel to drain the urine in the bladder; when the pressure in the bladder approaches 0 value, the output control module clamps and closes the drainage pipeline channel again, the pressure sensor dynamically monitors the pressure in the bladder and feeds back to the central processing unit, and the second and third bladder function training is started, and so on, so that the patient can relax and contract the bladder in the training, and the neural control path of urine storage and urination is reconstructed, so as to achieve the rehabilitation expected effect. The control is more accurate than the current artificial clamping and opening pipeline training mode, and the automation degree is higher.

[0092] Embodiment 4: A basic version of a digital flushing remote monitoring system host The basic version described in this embodiment refers to a digital flushing remote monitoring system that does not include the functions of dynamically monitoring the pressure in the drainage pipeline 40 and negative pressure cleaning of the blocked pipeline.

[0093] 1. As shown in Figure 4 , the injection mold of the protective shell is developed.

[0094] 2. The main components used are as follows: The central processing unit (MCU) uses a model STC89C52 single-chip microcomputer (STC company).

[0095] The liquid metering device 101 uses an infrared liquid drop sensor, and the liquid metering device 101 is arranged on the outer periphery of the flushing pipeline drop.

[0096] The flow rate control device 102 is composed of a lead screw motor and a throttle piece, the lead screw motor uses a turbine lead screw motor (Zhaowei), and the linear stroke is 6 mm; the throttle piece uses a duck tongue piece, and the throttle piece is fixed on the head of the lead screw.

[0097] The flushing temperature control module 103 comprises an aluminum-based PTC heating plate and a temperature controller. The heating plate is 60mm x 40mm in size, 12V in working voltage, and 200℃ in maximum heating temperature. The temperature controller adopts a KSD9700 series temperature switch with an action temperature of 0-200℃.

[0098] The temperature sensor 104 adopts a GD60914A digital thermoelectric pile infrared temperature sensor with a temperature measurement range of 0-100℃ and a measurement accuracy of 0.1℃.

[0099] The color recognition module 105 adopts a TCS3472 color sensing module with RGB three-color serial port output.

[0100] The output monitoring module 106 adopts a gravity sensor of model SBT620 (Guangzhou) with a maximum error of ±0.2% and a range of 0-4kg.

[0101] The output control module 107 is composed of a hollow cup deceleration motor, a lead screw, and a throttling element. The lead screw has a linear stroke of 8mm. The throttling element is a hemisphere fixed on the head of the lead screw.

[0102] The communication module adopts a WiFi module of model QCA9377 (Qualcomm Inc.).

[0103] The storage module adopts a Samsung HY27US08561A chip with a storage capacity of 32M.

[0104] The operation button 112 of the human-computer interaction interface adopts an Omron B3F light touch switch button with a size of 12*12*7.3. The display screen 111 adopts a 2.9-inch LCD liquid crystal with a working voltage of DC 3.0V. The sound prompter adopts a conventional buzzer.

[0105] The power supply adopts an internal power supply, and a 10000mA, 3.7V rechargeable lithium battery (Everbright) is selected.

[0106] 3. A conventional integrated circuit technology is adopted to design the PCB, and an electronic patch or welding process is adopted to prepare the central processing unit. The central processing unit is 60mm long and 40mm wide.

[0107] 4. As shown in the structure, each component is installed inside the protective shell. Figure 4

[0108] 5. Refer to the installation combination of the flushing pipeline 20 and the drainage pipeline 40 Figure 4 .

[0109] ​The above drawings and embodiments are only used to illustrate the technical solutions of the present application and not to limit. Although the present application is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or equivalently replaced without departing from the purpose and scope of the present application, which should be covered in the scope of the claims of the present application, and does not constitute any limitation on the protection scope of the present application.

Claims

1. A multi-parameter fusion digital rinsing remote monitoring system, comprising a central processing unit, an influent control module, a rinsing temperature control module (103), a color recognition module (105), an outfluent monitoring module (106), an outfluent control module (107), a communication module, and a human-machine interface; characterized in that: The central processing unit is electrically connected to the inflow control module, the flushing temperature control module (103), the color recognition module (105), the outflow monitoring module (106), and the outflow control module (107). The liquid metering device (101), the temperature sensor (104), the color recognition module (105), and the outflow monitoring module (106) form a multi-parameter sensing unit to dynamically monitor and provide feedback on medical data including flushing fluid inflow, waste fluid outflow, and waste fluid color. The flow rate control device (102), the electronic heating element, and the outflow control module (107) form a flushing execution unit to dynamically regulate the flushing flow rate, temperature, and waste fluid discharge status. The multi-parameter sensing unit and the flushing execution unit form a feedback control loop for multi-parameter fusion and multi-modal flushing.

2. The digital flushing remote monitoring system based on multi-parameter fusion according to claim 1, characterized in that: It is also equipped with a pressure sensor and a negative pressure pump, which are electrically connected to the central processing unit.

3. The digital flushing remote monitoring system based on multi-parameter fusion according to claim 1, characterized in that: The feedback control loop of multi-parameter fusion and multi-modal flushing dynamically monitors the flushing fluid inflow, waste fluid outflow, waste fluid color, and intra-cavity pressure, and analyzes and calculates the urine volume, blood content in the waste fluid, and tube blockage risk during the flushing process.

4. The digital flushing remote monitoring system based on multi-parameter fusion according to claim 1, characterized in that: When a risk of blockage is detected, the central processing unit instructs the negative pressure pump to apply negative pressure to the inner cavity of the drainage pipe (40) and actively intervenes to clean and unclog the drainage pipe (40).

5. The digital flushing remote monitoring system based on multi-parameter fusion according to claim 1, characterized in that: When used in combination with a urinary catheter (50) with temperature measurement function, it can also interact with the temperature data obtained by the urinary catheter (50) with temperature measurement function to dynamically collect the endpoint temperature of the flushing fluid reaching the bladder; when performing bladder flushing, the endpoint temperature of the flushing fluid is dynamically fed back to the central processing unit, and the flushing temperature control module (103) adjusts the heating power more precisely according to the endpoint temperature of the flushing fluid.

6. A multi-parameter fusion digital flushing remote monitoring method, configured by a central processing unit to perform the following operations: It can perform three working modes: continuous flushing, pulse flushing, and continuous / pulse alternating flushing. Based on the fusion of multiple parameters such as flushing fluid flow rate and temperature, blood content and flow rate, dynamic control of flushing fluid temperature or flow rate can be achieved. Based on the flushing fluid inflow, waste fluid outflow, or pressure, multiple parameters are integrated to identify the risk of pipe blockage. When the risk of blockage is detected, the central processing unit instructs the flow control module and the negative pressure pump to actively intervene and clear the inner cavity of the drainage pipe (40); Based on the amount of flushing fluid inflow and outflow, the patient's urine output during the flushing period can be accurately calculated.

7. The multi-parameter fusion digital flushing remote monitoring method according to claim 6, characterized in that: The pulse flushing working mode includes pulse quantitative flushing or pulse constant pressure flushing.

8. The multi-parameter fusion digital flushing remote monitoring method according to claim 6, characterized in that: During any of the above bladder irrigation modes, the irrigation temperature control module (103) dynamically heats the irrigation fluid according to the set irrigation fluid temperature, and the temperature sensor (104) dynamically outputs the irrigation fluid temperature. The central processing unit dynamically adjusts the working power of the irrigation temperature control module (103) according to the feedback irrigation fluid output temperature to keep the irrigation fluid output temperature stable at the set target value, thereby realizing dynamic control of the irrigation fluid temperature.

9. The multi-parameter fusion digital flushing remote monitoring method according to claim 6, characterized in that: During any of the above bladder irrigation modes, the color recognition module (105) dynamically monitors the color information of the discharged waste fluid and sends it to the central processing unit for analysis. The central processing unit instructs the flow rate control device (102) to dynamically adjust the irrigation flow rate based on the blood content index of the discharged waste fluid, and instructs the irrigation temperature control module (103) to dynamically adjust the working power to achieve dynamic control of the irrigation fluid flow rate and temperature.

10. The multi-parameter fusion digital flushing remote monitoring method according to claim 6, characterized in that: Methods for identifying pipe blockage risk based on the fusion of multiple parameters such as flushing fluid inflow, waste fluid outflow, or pressure include: The data of the inflow control module and the outflow monitoring module (106) are integrated. When the waste liquid outflow is less than the flushing liquid inflow, the central processing unit provides a pipe blockage risk warning or alert on the human-machine interface. The infusion control module integrates the pressure sensor data. If the pressure data does not change during bladder irrigation, or if the pressure in the drainage tube (40) drops from positive pressure to zero pressure or changes to negative pressure, it is determined that the catheter (50) or drainage tube is blocked.

11. The multi-parameter fusion digital flushing remote monitoring method according to claim 6, characterized in that: The accurate method for calculating urine volume during bladder irrigation is that the urine volume per unit time is equal to the waste fluid output minus the irrigation fluid input during that time.

12. The multi-parameter fusion digital flushing remote monitoring method according to claim 6, characterized in that: When a risk of tube blockage is detected, the flow rate control module, negative pressure pump, pressure sensor or output monitoring module (106) actively intervene and work together. The flow rate control module blocks the flushing tube (20) to prevent the flushing fluid from continuing to enter the bladder. The central processing unit instructs the negative pressure pump to start working according to the preset negative pressure value, and applies negative pressure to the negative pressure chamber (403) of the drainage tube (40). The negative pressure suction removes blood clots or tissue fragments and clears the blockage in the inner cavity of the drainage tube (40).

13. The multi-parameter fusion digital flushing remote monitoring method according to claim 6, characterized in that: The pressure sensor works in conjunction with the output control module (107) to autonomously control the opening state of the drainage tube (40) based on the set bladder pressure tolerance value and the degree of bladder fullness, and automatically carry out periodic rehabilitation training of bladder function.

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