CN-122005967-A - Intelligent monitoring system for esophageal fistula drainage

CN122005967ACN 122005967 ACN122005967 ACN 122005967ACN-122005967-A

Abstract

The application provides an intelligent monitoring system for esophageal fistula drainage, which relates to the technical field of medical equipment and comprises a drainage module, a multi-mode sensing module, a data processing module, a control and execution module and a control and execution module, wherein the drainage module is used for leading out drainage liquid in an esophageal fistula area under the action of negative pressure, the multi-mode sensing module is used for collecting multi-mode data of the drainage liquid in real time, the multi-mode data at least comprises flow data based on fluid flow and pH value data of the drainage liquid, the data processing module is used for receiving the multi-mode data, generating a control signal related to the blocking risk of a drainage pipeline based on time sequence correlation characteristics between the flow data and the pH value data, calculating a healing index used for representing the healing state of a fistula opening based on the flow data and the pH value data, the control and execution module is used for responding to different control signals to generate different types of drainage tube maintenance early warning signals, and responding to the change of the healing index to dynamically adjust the output negative pressure value of the negative pressure source. By implementing the technical scheme of the application, the reliability of the esophageal fistula drainage system is improved.

Inventors

ZHOU HAIYAN
LI ZHIGANG
ZHANG HONG
QIANG YUN

Assignees

上海契斯特医疗器械有限公司

Dates

Publication Date: 20260512
Application Date: 20260306

Claims (10)

1. An intelligent monitoring system for esophageal fistula drainage, comprising: the drainage module comprises a negative pressure source and a drainage pipeline, wherein the negative pressure source is communicated with the drainage pipeline, and the drainage module is used for guiding out drainage liquid in an esophageal fistula area under the action of negative pressure; The multi-mode sensing module is arranged on the drainage tube and used for collecting multi-mode data of the drainage liquid in real time, and the multi-mode data at least comprises flow data based on fluid flow and pH value data of the drainage liquid; A data processing module in signal connection with the multimodal sensing module for receiving the multimodal data, the data processing module configured to generate a control signal related to a risk of occlusion of the drainage line based on a time-sequential correlation characteristic between the flow data and the pH data, and to calculate a healing index for characterizing a stoma healing state based on the flow data and the pH data; the control and execution module is respectively connected with the data processing module and the negative pressure source in the drainage module in a signal way, and is configured to respond to different control signals to generate different types of drainage tube maintenance early warning signals and respond to the change of the healing index to dynamically adjust the output negative pressure value of the negative pressure source.
2. The system of claim 1, wherein the multi-modal sensing module comprises a turbine flow meter and a pH sensor; The turbine flowmeter is arranged in the drainage pipeline so that the drainage liquid flows through the turbine flowmeter, and the turbine flowmeter is used for collecting the flow data; The pH sensor is arranged in a detection cavity communicated with the drainage pipeline and is used for collecting the pH value data.
3. The system of claim 2, wherein the detection chamber forms part of the drainage line or is connected to the drainage line by a connection such that the drainage fluid flows through the detection chamber.
4. The system of claim 1, wherein the data processing module generates a control signal related to a risk of blockage of the drain line, comprising: Acquiring a continuous flow data sequence and a continuous pH value data sequence in a first time window; Performing linear fitting on the flow data sequence, and recording the absolute value of the slope of a straight line obtained by fitting as a flow rate reduction rate R q ; Calculating a flow average value A vgq of the flow data sequence in the first time window; Calculating the standard deviation of the pH value data sequence, and marking the standard deviation as pH value fluctuation V pH ; Generating a first control signal when the flow rate decrease rate R q is greater than a first rate threshold, the flow average a vgq is less than a first flow threshold, and the pH volatility V pH is less than a stability threshold; Generating a second control signal when the flow decrease rate R q is greater than a second rate threshold and less than the first rate threshold, the flow average a vgq is less than a second flow threshold and greater than the first flow threshold, and the pH volatility V pH is less than the stability threshold; The control and execution module is configured to generate a first early warning signal indicative of a severe occlusion in response to the first control signal and a second early warning signal indicative of a partial occlusion in response to the second control signal.
5. The system of claim 1, wherein the data processing module calculates the healing index by: Acquiring a continuous flow data sequence and a continuous pH value data sequence in a second time window; Calculating a flow difference value between the initial time and the end time in the second time window, and recording an absolute value of the flow difference value as a flow reduction D q ; calculating the pH value of end at the end time in the second time window; performing first normalization processing on the flow reduction D q to obtain a flow reduction index D_norm representing a flow reduction trend, wherein D_norm is a dimensionless index, and the value of D_norm increases along with the increase of D q ; Performing second normalization processing on the pH value pH end to obtain a pH value index P_norm, wherein the value of P_norm is used for representing the degree that the pH value is close to a preset optimal value pH opt and monotonically decreases as the pH end deviates from the pH opt ; The healing index I heal = w1 x d_norm + w2 x p_norm is calculated, where w1 is a preset first weight coefficient and w2 is a preset second weight coefficient, and an increase in the healing index is expressed as an increase in the value of I heal .
6. The system of claim 4, wherein the control and execution module dynamically adjusts the output negative pressure value of the negative pressure source, comprising: establishing a mapping relation between the healing index and the negative pressure value; when the healing index is smaller than a first healing threshold value, controlling the negative pressure source to output a first negative pressure value; And when the healing index is greater than or equal to the first healing threshold value, controlling the negative pressure source to output a second negative pressure value, wherein the absolute value of the second negative pressure value is smaller than that of the first negative pressure value.
7. The system of claim 6, further comprising a touch display module and an alarm module, the control and execution module configured to: Responding to the first early warning signal, controlling the negative pressure source to stop working, generating first visual prompt information and a first alarm instruction, controlling the touch display module to display the first visual alarm information, and controlling the alarm module to carry out audible and visual alarm according to a first frequency based on the first alarm instruction, wherein the first visual prompt information is used for indicating that the drainage pipeline is seriously blocked and needs to be manually dredged; Responding to the second early warning signal, controlling the negative pressure source to enter an intermittent working mode according to a preset intermittent period, generating second visual prompt information and a second alarm instruction, controlling the touch display module to display the second visual prompt information, controlling the alarm module to carry out audible and visual alarm according to a second frequency based on the second alarm instruction, wherein the preset intermittent period comprises a working period and a stopping period, the negative pressure source is controlled to work with a third negative pressure value in the working period, the negative pressure source is controlled to stop working in the stopping period, the first frequency is larger than the second frequency, and the second visual prompt information is used for indicating that a drainage pipeline is partially blocked.
8. The system of claim 7, further comprising an automatic cleaning module comprising a cleaning fluid reservoir, a pump, and a cleaning valve, the cleaning fluid reservoir in communication with the drain line through the pump and the cleaning valve, the control and execution module in signal connection with the automatic cleaning module, the control and execution module further configured to: And controlling the automatic cleaning module to execute a cleaning program in response to the second early warning signal, wherein the cleaning program comprises the steps of alternately executing the start of the pump, the stop of the pump and the cleaning valve according to a preset cleaning period and a preset duration so as to pulse the cleaning liquid into the drainage pipeline, and the cleaning program is set to be executed in the stop period in the preset intermittent period.
9. The system of claim 7, wherein the touch display module is further configured to display the flow data, the pH data, the healing index, and a current negative pressure value in real time; the touch display module is further configured to receive a user setting instruction for at least one parameter of the first healing threshold, the first rate threshold, the first flow threshold, the second rate threshold, the second flow threshold, and the stability threshold.
10. The system of claim 7, further comprising a data communication module in communication with both the data processing module and the control and execution module for wirelessly transmitting a monitoring dataset to the remote server after encryption, wherein the monitoring dataset includes at least one of the multimodal data, the early warning signal, the healing index, and the negative pressure value, and a remote server configured to store the received monitoring dataset and generate a trend analysis report of a patient drainage procedure based on the monitoring dataset.

Description

Intelligent monitoring system for esophageal fistula drainage Technical Field The application relates to the technical field of medical appliances, in particular to an intelligent monitoring system for esophageal fistula drainage. Background Esophageal fistula drainage is a key means for clinical treatment, and is usually treated by adopting a negative pressure drainage system or device, so that the real-time and accurate monitoring of the drainage state is important in the process, and the infection control and fistula healing effects are directly related. At present, a clinically commonly used negative pressure drainage system mainly depends on the fact that medical staff observe the properties, colors and drainage amounts of drainage liquid at regular time and judge by combining experience, and also has the advantages that some drainage systems only monitor flow data singly, and are difficult to accurately distinguish pipeline blockage conditions by combining the characteristics of the drainage liquid, so that false alarm is easy to occur or dredging time is delayed, meanwhile, the fistula healing state lacks quantitative evaluation indexes, negative pressure parameter adjustment depends on the experience of the medical staff, the healing progress cannot be dynamically adapted, and the fistula is possibly damaged or drainage effect is influenced due to improper negative pressure. Therefore, the drainage system in the related art has the technical problem of poor reliability. Disclosure of Invention In order to solve the technical problems, the application provides an intelligent monitoring system for esophageal fistula drainage. In a first aspect, the application provides an intelligent monitoring system for esophageal fistula drainage, which comprises a drainage module, a multi-mode sensing module, a data processing module and a control and execution module, wherein the drainage module comprises a negative pressure source and a drainage pipeline, the negative pressure source is communicated with the drainage pipeline, the drainage module is used for leading drainage liquid in an esophageal fistula area out under the action of negative pressure, the multi-mode sensing module is arranged on the drainage pipeline and used for collecting multi-mode data of the drainage liquid in real time, the multi-mode data at least comprises flow data based on fluid flow and pH value data of the drainage liquid, the data processing module is in signal connection with the multi-mode sensing module and is used for receiving the multi-mode data, the data processing module is configured to generate a control signal related to the blocking risk of the drainage pipeline based on time sequence correlation characteristics between the flow data and the pH value data, and calculate a healing index used for representing the healing state of a fistula opening based on the flow data and the pH value data, the control and execution module is respectively in signal connection with the negative pressure source in the data processing module and the drainage module, the control and the execution module is configured to generate different types of drainage tube maintenance early warning signals in response to different types, and dynamically adjust the negative pressure value of the negative pressure source in response to changes of the healing index. By adopting the technical scheme, the drainage module can lead out drainage liquid in an esophageal fistula area under the action of negative pressure, the multi-mode sensing module can collect flow data and pH value data of the drainage liquid in real time, the data processing module can generate drainage pipeline blockage risk control signals based on time sequence correlation characteristics of the flow and the pH value data and can calculate fistula healing indexes, the control and execution module can generate drainage tube maintenance early warning signals according to different control signals and dynamically adjust a negative pressure source to output a negative pressure value according to the change of the healing indexes, real-time and accurate monitoring and control of esophageal fistula drainage are achieved, the intelligent degree of an esophageal fistula drainage system is improved, and the reliability of the drainage system is improved. Optionally, the multi-mode sensing module comprises a turbine flowmeter and a pH sensor, wherein the turbine flowmeter is arranged in the drainage pipeline so that drainage liquid flows through the turbine flowmeter, the turbine flowmeter is used for collecting flow data, and the pH sensor is arranged in a detection cavity communicated with the drainage pipeline and is used for collecting pH value data. By adopting the technical scheme, the turbine flowmeter is arranged in the drainage pipeline, so that drainage liquid can flow through the drainage pipeline, flow data can be accurately acquired, the pH sensor is arranged in the detection cavity