CN118142010A - Intelligent detection system and method for faults of built-in system of hemodialysis instrument - Google Patents

Abstract

The invention belongs to the technical field of hemodialysis fault detection equipment, and particularly relates to an intelligent detection system and method for faults of an embedded system of a hemodialysis instrument. The intelligent detection system utilizes the main control device and a plurality of connected devices, and comprises the functions of bubble detection, fault self-detection, body position monitoring, emergency stop, alarm, body position adjustment and the like, so that the comprehensive monitoring and processing of faults of the built-in system of the hemodialysis apparatus are realized. The volume, the density and the flow of the bubbles are detected in real time, and an emergency stop program is triggered according to a preset threshold value, so that the occurrence of medical accident risks is prevented. Meanwhile, the fault self-checking device can quickly check the fault reason of the built-in system, and a corresponding solution is generated through the strategy making device, wherein the solution comprises repairing or replacing damaged parts, adjusting liquid proportion, overhauling and calibrating equipment and the like, so that the safety and the effectiveness of the dialysis process are ensured. The system has the core that the omnibearing intelligent monitoring and emergency treatment of the hemodialysis process are realized, and the safety and the efficiency of treatment are improved.

Description

Intelligent detection system and method for faults of built-in system of hemodialysis instrument

Technical Field

The invention belongs to the technical field of hemodialysis fault detection equipment, and particularly relates to an intelligent detection system and method for faults of an embedded system of a hemodialysis instrument.

Background

Hemodialysis machines are a medical device that helps a patient with renal failure remove excess waste and water from the body to maintain electrolyte and fluid balance in the body.

The working principle is as follows:

The basic principle of hemodialysis is to separate the patient's blood from the dialysate by means of a semipermeable membrane, with exchange of substances between the dialysate and the blood. The dialysate contains electrolyte and other components with certain concentration, when blood passes through the dialyzer, the components in the dialysate can enter the blood through the semipermeable membrane, and waste and redundant water in the blood can be removed through the semipermeable membrane, so that the purposes of removing waste in the body and maintaining electrolyte balance are achieved.

However, in the actual dialysis process, the failure of the system built in the equipment may cause the existence of bubbles in the blood flowing back to the patient after dialysis, and if the bubbles enter the blood circulation in the patient, serious complications such as air embolism may be caused, so that the conditions of the bubbles in the dialysate and the blood circulation need to be monitored in real time in the dialysis process, if the bubbles exist in the blood, the system built in the system is judged to be failed, the system is immediately stopped for processing, fault code detection is sequentially performed for corresponding hardware, and corresponding solving strategies are re-determined according to the detection results.

The hemodialysis machine of the prior art lacks the above-described active detection function for a specific built-in system failure that causes the presence of air bubbles in the blood,

Disclosure of Invention

In view of the above, the present invention provides an intelligent detection system and method for detecting faults of a built-in system of a hemodialysis apparatus.

The technical scheme adopted by the invention is as follows:

An intelligent detection system for a failure of a built-in system of a hemodialysis machine, comprising:

The system comprises a main control device, a bubble detection device, a fault self-checking device, a body position detection device, an emergency stop device, an alarm device, a body position adjustment device and a corresponding strategy making device, wherein the bubble detection device, the fault self-checking device, the body position detection device, the emergency stop device, the alarm device and the body position adjustment device are electrically connected with the main control device;

the bubble detection device is used for detecting the volume, the density and the flow in unit time of bubbles in blood at the blood reflux end of a human body;

the fault self-checking device is used for self-checking a corresponding device of a built-in system of the hemodialysis machine, which can cause bubbles in the backflow blood;

the body position detection device is used for monitoring the current body position of the patient in real time;

The emergency stop device is used for carrying out emergency stop treatment on the hemodialysis machine after the occurrence of bubble abnormality;

the body position adjusting device is used for correcting abnormal body positions of the patient;

The strategy making device is used for generating a corresponding solution strategy for the self-checking result of the built-in system of the detecting hemodialysis instrument.

The main control device is used for controlling the bubble detection device to be normally opened, and controlling the emergency stop device, the fault self-checking device, the body position detection device, the alarm device, the body position adjustment device and the corresponding strategy making device to be normally closed;

The bubble detection device detects the volume, the density and the flow data in unit time of bubbles in blood at the blood reflux end of a human body through ultrasonic waves or infrared rays, analyzes and processes the data in real time, when detecting that the volume, the density or the output number of the bubbles exceeds a set threshold value, the system judges that the risk of medical accidents exists, starts an emergency stop program, and controls the emergency stop device, the fault self-checking device and the body position detection device to be started;

when the system detects an abnormal phenomenon of the bubble,

The emergency stop device automatically enables an emergency stop program, and immediately interrupts the dialysis process to avoid potential danger;

The fault self-checking device checks the fault reasons of the built-in system of the hemodialysis machine, which possibly cause abnormal bubbles, and the checking items comprise a dialyzer fault, a pump system fault, a transfusion pipeline fault and a liquid distribution system fault, and controls the opening of the alarm device and the strategy making device;

The body position detection device acquires current body position data of the patient, compares the current body position data with standard data, and controls the body position adjustment device to be started if the body position is abnormal;

the strategy making device adopts a corresponding solving strategy according to the detected fault type of the built-in system of the hemodialysis machine;

the alarm device informs medical staff to intervene, and the current medical accident risk is eliminated.

The bubble detection device adopts the following algorithm model to analyze and process the sensor data in real time;

the bubble volume calculation uses the following algorithmic model:

；

Wherein, For average bubble volume,/>The volume of the ith bubble and n is the sampling times;

The bubble density calculation uses the following algorithm model:

；

Wherein D is bubble density, N is the number of bubbles in the region, and V is the total volume of the region;

The flow per unit time calculation uses the following algorithm model:

for the number of bubbles per minute:

；

for the number of bubbles per second:

；

Wherein, Represents the number of bubbles per minute,/>The number of bubbles per second, N the total number of bubbles detected by the sensor per unit time, and t the time taken for detection.

The fault self-checking device comprises:

the system comprises a dialyzer fault self-checking unit, a pump system fault self-checking unit, an infusion pipeline fault self-checking unit and a liquid distribution system fault self-checking unit;

the dialyzer fault self-checking unit is used for detecting whether the dialyzer has leakage faults or not;

the pump system fault is used for detecting whether the liquid supply pump works normally or not;

the infusion pipeline fault self-checking unit is used for detecting whether incomplete connection or air leakage faults occur in the infusion pipeline;

The liquid preparation system fault self-checking unit is used for detecting whether faults of wrong configuration proportion or unsatisfactory components occur in the liquid preparation process of the dialysate.

The dialyzer fault self-checking unit includes: a dialyzer housing detection device, a dialyzer connection port detection device, a dialyzer internal membrane detection device, and a port channel detection device;

the shell detection device is used for detecting whether the shell of the dialyzer is cracked, worn or damaged;

the dialyzer connector detection device is used for detecting whether a connector of the dialyzer is poor in sealing, loose or damaged;

The internal membrane detection device of the dialyzer is used for detecting whether the internal membrane is damaged, worn or perforated;

The port channel detection device is used for detecting that a port channel has loopholes, cracks or damages;

the body position detection device comprises a head position monitoring unit, an arm body position change monitoring unit and an arm blood vessel pressure detection unit;

the head position monitoring unit is used for monitoring the height of the head compared with the body in the current body position of the patient;

The arm posture change monitoring unit is used for monitoring the action type and the activity amplitude of the current arm of the patient;

the arm blood vessel pressure detection unit is used for monitoring the blood vessel pressure value at the current arm of the patient;

When the body position detection device monitors that the body position of a patient is abnormal, the main control device controls the body position adjustment device to be started, the body position adjustment device comprises a seat adjusting unit and a voice broadcasting unit, the seat adjusting unit is used for adjusting the height of the head position of the patient, and the voice broadcasting unit is used for broadcasting that the patient is prompted to adjust the current body position through voice.

The strategy making device is used for generating a corresponding solution strategy for the self-checking result of the built-in system of the detecting blood permeameter, and the solution strategy comprises the following steps:

repairing or replacing damaged dialyzers, infusion pumps and infusion lines;

Adjusting a dialysate preparation system to ensure that the quality and the flow of the dialysate meet the requirements;

overhauling or calibrating a control system and a sensor of the dialysis machine;

If the fault cannot be resolved immediately, manual intervention or maintenance is performed.

An intelligent detection method for faults of an internal system of a hemodialysis machine is based on the fact that the intelligent detection system actively detects faults of a specific internal system which cause bubbles in blood, and corresponding solving strategies are redetermined according to detection results so as to avoid medical accidents.

A storage medium, on which a computer program is stored, which when executed performs the intelligent detection method of the system fault built in the hemodialysis machine.

In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:

In general, compared with the prior art, the intelligent detection system and the intelligent detection method for the faults of the built-in system of the hemodialysis machine provided by the invention have the advantages that the intelligent detection system utilizes the functions of bubble detection, fault self-detection, body position monitoring, emergency stop, alarm, body position adjustment and the like, and the comprehensive monitoring and processing of the faults of the built-in system of the hemodialysis machine are realized by utilizing the main control device and a plurality of connected devices. The volume, the density and the flow of the bubbles are detected in real time, and an emergency stop program is triggered according to a preset threshold value, so that the occurrence of medical accident risks is prevented. Meanwhile, the fault self-checking device can quickly check the fault reason of the built-in system, and a corresponding solution is generated through the strategy making device, wherein the solution comprises repairing or replacing damaged parts, adjusting liquid proportion, overhauling and calibrating equipment and the like, so that the safety and the effectiveness of the dialysis process are ensured. The system has the core that the omnibearing intelligent monitoring and emergency treatment of the hemodialysis process are realized, and the safety and the efficiency of treatment are improved.

Drawings

The invention will now be described by way of example and with reference to the accompanying drawings in which:

FIG. 1 is a schematic diagram of a smart detection system according to the present invention;

FIG. 2 is a schematic diagram of a fault self-checking device according to the present invention;

FIG. 3 is a schematic diagram of a body position detecting device according to the present invention;

FIG. 4 is a schematic diagram of a dialyzer fault self-checking unit according to the present invention;

FIG. 5 is a flow chart of the intelligent detection method of the present invention.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present application.

Example 1

The embodiment provides an intelligent detection system for faults of a built-in system of a hemodialysis machine, referring to fig. 1, including: the system comprises a main control device, a bubble detection device, a fault self-checking device, a body position detection device, an emergency stop device, an alarm device, a body position adjustment device and a corresponding strategy making device, wherein the bubble detection device, the fault self-checking device, the body position detection device, the emergency stop device, the alarm device and the body position adjustment device are electrically connected with the main control device;

The bubble detection device is used for detecting the volume, the density and the flow in unit time of bubbles in blood at the blood reflux end of a human body. Ideally, the blood after the dialysis process should be bubble-free, but in practice, although the device and tubing design may be good, there are some situations where there may be bubbles in the blood after the dialysis process, and the presence of small volumes of bubbles in the blood after the dialysis process usually does not cause serious harm to the human body, and the circulatory system of the human body can handle small volumes of bubbles and expel them out of the body without causing significant harm to the body. These small bubbles are typically carried by the blood circulation system to the lungs, where they are then absorbed through the alveolar walls and eventually out of the body through respiration. However, when a large amount or larger volume of bubbles enters the blood circulation and possibly causes serious complications such as air embolism, the system is required to be designed with a bubble detection device for detecting the volume, the density and the flow of the bubbles in the blood at the blood reflux end of the human body, and when the parameters are compared with the standard threshold value preset in the system and are in an abnormal state, the risk of medical accidents can be judged, and in a specific embodiment, the accurate detection of the volume, the density and the flow of the bubbles in the blood can be realized by adopting a high-precision sensor and an advanced algorithm. Various sensor data, such as ultrasonic or infrared sensors, are combined to ensure accurate detection of bubbles. Introducing real-time data analysis and processing technology, such as an algorithm based on machine learning, so as to improve the detection accuracy and timeliness of bubble abnormality;

The fault self-checking device is used for self-checking a corresponding device of a built-in system of the hemodialysis machine, which can cause bubbles in the backflow blood; in a specific implementation process, the following technology may be involved, and multiple self-checking mechanisms are designed to cover key components such as dialyzers, pump systems, infusion lines, and liquid distribution systems, so as to ensure comprehensive fault detection. In combination with automatic diagnostic techniques, such as fault code recognition and fault pattern recognition, the ability of the system to automatically detect and diagnose potential faults is improved. The remote monitoring function is introduced, so that medical staff can monitor and manage the state of the hemodialysis instrument remotely through a network and timely process faults.

The body position detection device is used for monitoring the current body position of the patient in real time; in a specific implementation process, a technology may be involved, and a multi-sensor fusion technology, such as an inertial sensor and a pressure sensor, may be adopted to realize high-precision monitoring of the body position of the patient. Developing an intelligent algorithm, identifying abnormal body positions of a patient through real-time image data analysis and pattern recognition, and providing corresponding adjustment suggestions. And the wearable equipment or the wireless sensor network is combined to realize seamless monitoring and recording of the body position of the patient.

The emergency stop device is used for carrying out emergency stop treatment on the hemodialysis machine after bubble abnormality occurs. In a specific implementation, the following techniques may be involved: when the emergency stop program is started, the emergency stop device should immediately cut off the power supply of the hemodialysis machine or stop the operation of the infusion pump. A rapid power-off or stopping of the pump flow can rapidly interrupt the dialysis process, preventing further air bubbles from entering the patient's circulatory system, reducing possible risks. After handling the bubble anomaly, the emergency shutdown device should provide a manual reset function to resume normal operation of the hemodialysis machine. Medical staff can reset manually through an operation interface or a button, and cancel an alarm signal, so that the hemodialysis process can be successfully recovered.

The posture adjustment device is used for correcting abnormal posture of the patient. In a specific implementation, the following techniques may be involved:

Bed adjusting function:

The posture adjusting device can control the inclination angle and the height of the hemodialysis chair or the bed so as to enable the patient to be in a more comfortable and safe posture. The bed adjusting function can be realized through the electric driving system, and can be adjusted according to the requirements of patients and the instructions of medical staff, so that the body position of the patients is ensured to be adjusted in time.

Head and leg support:

The head and leg support devices are designed to provide additional support in the back and leg areas to help maintain the correct position of the patient. These support means can be adjusted according to the body size and posture requirements of the patient to ensure effective correction of posture problems for different patients.

Pressure distribution adjustment:

Pressure sensitive materials or sensors are introduced, and the contact pressure distribution of a patient and a seat or a bed surface is monitored in real time. When the pressure of a certain part is detected to be too high or uneven, the posture adjusting device can automatically adjust the shape of the seat or the bed so as to relieve the pressure and uncomfortable feeling of a patient.

Voice or visual cues:

and by combining with voice broadcasting or screen display, real-time posture adjustment advice and guidance are provided, so that medical staff can be helped to quickly find out abnormal posture of a patient and correct the abnormal posture. These cues may be customized according to the individual characteristics and orders of the patient, making the posture adjustment process more intelligent and personalized.

Remote monitoring and control:

the remote monitoring and control function is provided, so that medical staff can monitor the body position condition of a patient remotely through a network and adjust the angle and the height of a bed or a chair back in real time. By the aid of the design, medical staff can remotely process the posture problem of a patient without going to the site, and working efficiency and response speed are improved.

The strategy making device is used for generating a corresponding solution strategy for the self-checking result of the built-in system of the detecting hemodialysis instrument. In a specific implementation process, the following technologies may be involved, an intelligent decision system is developed, corresponding solution strategies are generated according to different fault types and severity, and the decision process is optimized to improve efficiency. And a data driving method is introduced, and a strategy making process is optimized by utilizing historical data and real-time monitoring results, so that the made strategy is more intelligent and personalized. In combination with a knowledge graph or expert system, a comparison and evaluation of various solutions is provided, helping medical staff to quickly select the optimal treatment scheme.

In a further embodiment, the master control device should have programmable control logic to ensure coordinated operation between the various devices. And the control of the normally-open state of the bubble detection device and the normally-closed state of other devices is realized through software programming. Specifically, the main control device respectively controls the bubble detection device to be normally opened, and controls the emergency stop device, the fault self-checking device, the body position detection device, the alarm device, the body position adjustment device and the corresponding strategy making device to be normally closed;

the bubble detection device detects the volume, the density and the flow data in unit time of bubbles in blood at the blood reflux end of a human body through ultrasonic waves or infrared rays, ensures accurate detection and analysis of the volume, the density and the flow in unit time of the bubbles through a real-time data processing algorithm, judges that medical accidents are at risk when detecting that the volume, the density or the output quantity of the bubbles exceeds a set threshold value, starts an emergency stop program, and controls the emergency stop device, the fault self-checking device and the body position detection device to be started;

when the system detects an abnormal phenomenon of the bubble,

The emergency stop device automatically enables an emergency stop program, and immediately interrupts the dialysis process to avoid potential danger; in particular, the emergency shutdown device should have a fast response capability that can immediately initiate the emergency shutdown procedure upon detection of a bubble anomaly. The emergency shutdown device should also perform the functions of automatically registering events and notifying medical personnel in order to take the necessary interventions in time.

The fault self-checking device checks the fault reasons of the built-in system of the hemodialysis machine, which possibly cause abnormal bubbles, and the checking items comprise a dialyzer fault, a pump system fault, a transfusion pipeline fault and a liquid distribution system fault, and controls the opening of the alarm device and the strategy making device; specifically, the fault self-checking device should have the capability of comprehensively checking faults of the built-in system of the hemodialysis machine, including aspects of dialyzers, pump systems, infusion pipelines, liquid distribution systems and the like. And an intelligent diagnosis algorithm is adopted to rapidly and accurately determine the fault cause and provide corresponding fault information for the main control device.

The body position detection device acquires current body position data of the patient, compares the current body position data with standard data, and controls the body position adjustment device to be started if the body position is abnormal; specifically, the body position detection device should adopt high-precision sensor and real-time data processing technology, so as to realize real-time monitoring and accurate identification of the body position of the patient. When abnormal body position is detected, a signal is immediately sent to the main control device, and the body position adjusting device is triggered to correct.

The strategy making device adopts a corresponding solving strategy according to the detected fault type of the built-in system of the hemodialysis machine; specifically, the policy making device should intelligently make a solution by combining the fault self-checking result and the system state information. And predicting the possible fault types according to real-time data and historical experience through an artificial intelligence algorithm, and adopting corresponding coping strategies in advance.

The alarm device informs medical staff to intervene, and the current medical accident risk is eliminated.

In a further embodiment, the bubble detection device adopts the following algorithm model to analyze and process the sensor data in real time;

the bubble volume calculation uses the following algorithmic model:

；

Wherein, For average bubble volume,/>The volume of the ith bubble and n is the sampling times;

The bubble density calculation uses the following algorithm model:

；

Wherein D is bubble density, N is the number of bubbles in the region, and V is the total volume of the region;

The flow per unit time calculation uses the following algorithm model:

for the number of bubbles per minute:

；

for the number of bubbles per second:

；

Wherein, Represents the number of bubbles per minute,/>The number of bubbles per second, N the total number of bubbles detected by the sensor per unit time, and t the time taken for detection.

In a further embodiment, referring to fig. 2, the fault self-checking device includes:

the system comprises a dialyzer fault self-checking unit, a pump system fault self-checking unit, an infusion pipeline fault self-checking unit and a liquid distribution system fault self-checking unit;

the dialyzer fault self-checking unit is used for detecting whether the dialyzer has leakage faults or not;

The pump system fault is used for detecting whether the liquid supply pump works normally or not; specifically, a position sensor and an operation state monitoring sensor of the liquid pump are provided to monitor the position and the operation state of the pump in real time. When the abnormal position or operation fault of the pump is detected, a fault alarm is immediately triggered, and detailed fault information is sent to the main control device.

The infusion pipeline fault self-checking unit is used for detecting whether incomplete connection or air leakage faults occur in the infusion pipeline; optionally, a pressure sensor is arranged in the infusion pipeline, and a leak detection coating is arranged on the surface of the pipeline to detect whether the pipeline has an air leakage fault or not, and if the internal pressure of the pipeline is abnormal, the pressure sensor is arranged on the surface of the pipeline. The leakage points of the leakage detection paint can be positioned through the leakage detection paint, so that the subsequent rapid overhaul treatment is convenient. Further, a gas leakage detection sensor is arranged at the joint of the pipelines and used for detecting whether gas leakage occurs at the joint.

The liquid preparation system fault self-checking unit is used for detecting whether faults of wrong configuration proportion or unsatisfactory components occur in the liquid preparation process of the dialysate. Optionally, a liquid component analysis sensor and a proportion detection sensor are arranged in the liquid preparation system, and the proportion and concentration of each component in the liquid preparation process are monitored in real time. When an error in component proportion or abnormal concentration is detected, a fault alarm is immediately triggered, and the preparation of the dialysate is stopped.

In a further embodiment, referring to fig. 4, the dialyzer fault self-checking unit includes: a dialyzer housing detection device, a dialyzer connection port detection device, a dialyzer internal membrane detection device, and a port channel detection device;

The shell detection device is used for detecting whether the shell of the dialyzer is cracked, worn or damaged; optionally, the housing of the dialyzer is monitored and imaged in real time using an optical sensor or camera system. And detecting whether the shell has cracks, wear or other damage conditions through an image processing algorithm or an artificial intelligence technology, and automatically identifying and alarming.

The dialyzer connector detection device is used for detecting whether a connector of the dialyzer is poor in sealing, loose or damaged; optionally, a pressure sensor or force sensor is used to monitor the connection status and tightening force of the dialyzer connection port. When detecting that the connection port has the conditions of poor sealing, looseness or damage, and the like, an alarm signal is sent out immediately to prompt that the connection problem possibly exists.

The internal membrane detection device of the dialyzer is used for detecting whether the internal membrane is damaged, worn or perforated; optionally, the dialyzer internal membrane is imaged and monitored in real time using a high resolution camera or optical detector. And detecting whether the internal diaphragm is damaged, worn or perforated or not through an image processing algorithm or a visual identification technology, and alarming in time to remind an operator.

The port channel detection device is used for detecting that a port channel has loopholes, cracks or damages; optionally, a pressure sensor or a bubble detection sensor is arranged in the port channel, and the pressure and bubble conditions in the channel are monitored in real time. When a leak, crack or other damage condition of the channel is detected, an alarm signal is immediately triggered to prompt that the channel fault can exist.

In a further embodiment, referring to fig. 3, the body position detection device includes a head position monitoring unit, an arm body position change monitoring unit, and an arm vascular pressure detection unit;

The head position monitoring unit is used for monitoring the height of the head compared with the body in the current body position of the patient; optionally, the height of the patient's head relative to the body is monitored in real time using a laser ranging sensor or infrared sensor or the like. And comparing the ranging data with a preset standard value to judge whether the head position is abnormal, such as the height is too high or too low.

The arm posture change monitoring unit is used for monitoring the action type and the activity amplitude of the current arm of the patient; optionally, the type and magnitude of movement of the patient's arm is monitored using inertial or motion tracking sensors. By monitoring the change in the posture of the arm, it is determined whether an abnormal movement of the patient's arm, such as excessive swing or extension, has occurred during the dialysis procedure.

The arm blood vessel pressure detection unit is used for monitoring the blood vessel pressure value at the current arm of the patient; optionally, the magnitude of the vascular pressure value at the patient's arm is monitored using a pressure sensor or blood flow rate sensor. When an abnormal increase in blood vessel pressure or an abnormal decrease in blood flow velocity is detected, it may be indicated that a blood vessel occlusion or compression condition exists, and the overall position needs to be adjusted in time.

When the body position detection device monitors that the body position of the patient is abnormal, the main control device controls the body position adjustment device to be started, and the body position adjustment device comprises:

seat adjusting unit: according to the data of the head position monitoring unit and the arm position change monitoring unit, the height or the angle of the seat is automatically adjusted so as to correct the position abnormality of the patient.

And the voice broadcasting unit is used for: the patient is reminded of keeping the correct posture by prompting the patient to adjust the current posture through voice so as to reduce the possible complication risk.

In a further embodiment, the policy making device may generate a corresponding solution policy according to the detected self-test result of the built-in system of the hemodialysis machine, including but not limited to the following aspects:

Repairing or replacing damaged dialyzers, infusion pumps and infusion lines:

If the dialyzer is leaking or damaged, it needs to be repaired or replaced in time to ensure the normal progress of the dialysis process.

If the infusion pump or the infusion pipeline has incomplete connection or air leakage fault, repair or replacement is needed to ensure the accuracy and the safety of liquid infusion.

Adjusting a dialysate preparation system:

for faults that the configuration proportion is wrong or the components are not satisfactory in the dialysate preparation process are detected, a dialysate preparation system needs to be adjusted, the quality and the flow of the dialysate are ensured to be satisfactory, and the effectiveness and the safety of dialysis treatment are ensured.

Control systems and sensors for servicing or calibrating dialysis machines:

in the event of failure or inaccuracy of the control system or sensors of the dialysis machine, maintenance or calibration is required to ensure the accuracy and stability of the dialysis treatment.

Manual intervention or maintenance:

If the fault is found to be not immediately resolved, or requires further maintenance and repair, manual intervention or maintenance may be performed, such as manual adjustment of dialysate flow or replacement of components.

Through the solution strategy, possible faults and problems of the built-in system of the hemodialysis machine can be effectively solved, smooth proceeding of dialysis treatment is guaranteed, risks of patients are reduced, and treatment effect is improved.

Example 2

In another aspect, referring to fig. 5, the method for intelligently detecting faults of the built-in system of the hemodialysis machine is implemented based on the intelligent detection system to actively detect faults of the specific built-in system which cause bubbles in blood, and corresponding solving strategies are redetermined according to detection results so as to avoid medical accidents.

Example 3:

In this embodiment, the main control device includes a processor and a memory electrically connected to the processor, where the memory is used to store a computer program, and the processor is used to call the computer program to execute the intelligent detection method of the failure of the built-in system of the hemodialysis apparatus described in any one of the above embodiments.

Example 4:

the invention also provides a storage medium, wherein the storage medium is stored with a computer program, and the computer program executes the intelligent detection method for the failure of the built-in system of the hemodialysis machine when being run.

Those skilled in the art will appreciate that implementing all or part of the processes of the methods of the embodiments described above may be accomplished by computer programs characterized by computer instructions that, when executed, cause the associated hardware to perform the methods described above. Any reference to memory, storage, database, or other medium used in embodiments provided herein may include at least one of non-volatile and volatile memory.

The non-volatile memory may include read-only memory, magnetic tape, floppy disk, flash memory, optical memory, etc. Volatile memory can include random access memory or external cache memory. By way of illustration, and not limitation, RAM can take many forms, such as static random access memory or dynamic random access memory.

The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (9)

1. An intelligent detection system for faults of an embedded system of a hemodialysis machine, which is characterized by comprising:

The system comprises a main control device, a bubble detection device, a fault self-checking device, a body position detection device, an emergency stop device, an alarm device, a body position adjustment device and a corresponding strategy making device, wherein the bubble detection device, the fault self-checking device, the body position detection device, the emergency stop device, the alarm device and the body position adjustment device are electrically connected with the main control device;

the bubble detection device is used for detecting the volume, the density and the flow in unit time of bubbles in blood at the blood reflux end of a human body;

the fault self-checking device is used for self-checking a corresponding device of a built-in system of the hemodialysis machine, which can cause bubbles in the backflow blood;

the body position detection device is used for monitoring the current body position of the patient in real time;

The emergency stop device is used for carrying out emergency stop treatment on the hemodialysis machine after the occurrence of bubble abnormality;

the body position adjusting device is used for correcting abnormal body positions of the patient;

The strategy making device is used for generating a corresponding solution strategy for the self-checking result of the built-in system of the detecting hemodialysis instrument.

2. The intelligent detection system for the faults of the built-in system of the hemodialysis machine according to claim 1, wherein the main control device respectively controls the bubble detection device to be normally opened, and controls the emergency stop device, the fault self-detection device, the body position detection device, the alarm device, the body position adjustment device and the corresponding strategy making device to be normally closed;

The bubble detection device detects the volume, the density and the flow data in unit time of bubbles in blood at the blood reflux end of a human body through ultrasonic waves or infrared rays, analyzes and processes the data in real time, when detecting that the volume, the density or the output number of the bubbles exceeds a set threshold value, the system judges that the risk of medical accidents exists, starts an emergency stop program, and controls the emergency stop device, the fault self-checking device and the body position detection device to be started;

when the system detects an abnormal phenomenon of the bubble,

The emergency stop device automatically enables an emergency stop program, and immediately interrupts the dialysis process to avoid potential danger;

The fault self-checking device checks the fault reasons of the built-in system of the hemodialysis machine, which possibly cause abnormal bubbles, and the checking items comprise a dialyzer fault, a pump system fault, a transfusion pipeline fault and a liquid distribution system fault, and controls the opening of the alarm device and the strategy making device;

The body position detection device acquires current body position data of the patient, compares the current body position data with standard data, and controls the body position adjustment device to be started if the body position is abnormal;

the strategy making device adopts a corresponding solving strategy according to the detected fault type of the built-in system of the hemodialysis machine;

the alarm device informs medical staff to intervene, and the current medical accident risk is eliminated.

3. The intelligent detection system for faults of a built-in system of a hemodialysis machine according to claim 2, wherein the bubble detection device adopts the following algorithm model to analyze and process sensor data in real time;

the bubble volume calculation uses the following algorithmic model:

；

Wherein, For average bubble volume,/>The volume of the ith bubble and n is the sampling times;

The bubble density calculation uses the following algorithm model:

；

Wherein D is bubble density, N is the number of bubbles in the region, and V is the total volume of the region;

The flow per unit time calculation uses the following algorithm model:

for the number of bubbles per minute:

；

for the number of bubbles per second:

；

Wherein, Represents the number of bubbles per minute,/>The number of bubbles per second, N the total number of bubbles detected by the sensor per unit time, and t the time taken for detection.

4. The intelligent detection system for failure of a built-in system of a hemodialysis machine of claim 1, wherein the failure self-checking device comprises:

the system comprises a dialyzer fault self-checking unit, a pump system fault self-checking unit, an infusion pipeline fault self-checking unit and a liquid distribution system fault self-checking unit;

the dialyzer fault self-checking unit is used for detecting whether the dialyzer has leakage faults or not;

the pump system fault is used for detecting whether the liquid supply pump works normally or not;

the infusion pipeline fault self-checking unit is used for detecting whether incomplete connection or air leakage faults occur in the infusion pipeline;

The liquid preparation system fault self-checking unit is used for detecting whether faults of wrong configuration proportion or unsatisfactory components occur in the liquid preparation process of the dialysate.

5. The intelligent detection system for failure of a built-in system of a hemodialysis machine of claim 4, wherein the dialyzer failure self-checking unit comprises: a dialyzer housing detection device, a dialyzer connection port detection device, a dialyzer internal membrane detection device, and a port channel detection device;

the shell detection device is used for detecting whether the shell of the dialyzer is cracked, worn or damaged;

the dialyzer connector detection device is used for detecting whether a connector of the dialyzer is poor in sealing, loose or damaged;

The internal membrane detection device of the dialyzer is used for detecting whether the internal membrane is damaged, worn or perforated;

the port channel detection device is used for detecting that a port channel has loopholes, cracks or damages.

6. The intelligent detection system for the failure of the built-in system of the hemodialysis machine according to claim 1, wherein the body position detection device comprises a head position monitoring unit, an arm body position change monitoring unit and an arm blood vessel pressure detection unit;

the head position monitoring unit is used for monitoring the height of the head compared with the body in the current body position of the patient;

The arm posture change monitoring unit is used for monitoring the action type and the activity amplitude of the current arm of the patient;

the arm blood vessel pressure detection unit is used for monitoring the blood vessel pressure value at the current arm of the patient;

When the body position detection device monitors that the body position of a patient is abnormal, the main control device controls the body position adjustment device to be started, the body position adjustment device comprises a seat adjusting unit and a voice broadcasting unit, the seat adjusting unit is used for adjusting the height of the head position of the patient, and the voice broadcasting unit is used for broadcasting that the patient is prompted to adjust the current body position through voice.

7. The intelligent detection system for detecting a failure of a built-in system of a hemodialysis machine according to claim 5, wherein the policy making device is configured to generate a corresponding solution policy for a self-test result of detecting the built-in system of the hemodialysis machine, the solution policy comprising:

repairing or replacing damaged dialyzers, infusion pumps and infusion lines;

Adjusting a dialysate preparation system to ensure that the quality and the flow of the dialysate meet the requirements;

overhauling or calibrating a control system and a sensor of the dialysis machine;

If the fault cannot be resolved immediately, manual intervention or maintenance is performed.

8. An intelligent detection method for faults of an embedded system of a hemodialysis machine is characterized in that the intelligent detection system according to any one of claims 1-7 is used for actively detecting faults of a specific embedded system which cause bubbles in blood, and corresponding solving strategies are redefined according to detection results so as to avoid medical accidents.

9. A storage medium having a computer program stored thereon, which when executed performs the intelligent detection method of a system fault in a hemodialysis machine of claim 8.