Flexible electronic integrated pressure injury prevention dressing device and application method thereof

Abstract

The invention relates to a flexible electronic integrated pressure injury prevention dressing device and an application method thereof.The device comprises a foam dressing inner layer, a foam dressing middle layer and a foam dressing outer layer which are sequentially arranged in a composite mode, and the foam dressing middle layer is a piezoelectric elastic injury monitoring module; the monitoring module is used for monitoring state data (including local pressure values, temperature and humidity values and body position change data changing along with time) of an injured part of a patient suffering from pressure injury and reporting the state data to a nurse station background in real time; and when the nurse station background monitors that the state data of the pressure injury patient has a preset abnormal condition, a dressing nursing alarm signal is sent to the PDA terminal. Therefore, the dressing is changed into an intelligent facility, local pressure and other conditions of the injured part of the patient are monitored, state data reporting is achieved, damage on-line supervision is conducted on the patient through a background, nurses do not need to conduct supervision in person any more, nurse monitoring time is saved, difficulty is reduced, dressing intelligent management and application of pressure injury are achieved, and nursing efficiency is improved.

Description

Technical Field

[0001] The present disclosure relates to the field of intelligent nursing technology, and in particular to a flexible electronic integrated pressure injury prevention dressing device and an application method and electronic equipment thereof. Background Art

[0002] Hydrocolloid dressings generally have the following properties:

[0003] 1. Main features

[0004] Protect the wound surface: closely adhere to the pressure injury site to form a protective layer to prevent the invasion of microorganisms and reduce the risk of infection.

[0005] Promote healing: absorb exudate, create a moist environment, facilitate cell proliferation, and accelerate the healing of pressure injury sites.

[0006] Anti-inflammatory and antibacterial: It has anti-inflammatory properties, can effectively inhibit the growth of bacteria, and provide an ideal healing environment for pressure injury sites.

[0007] II. Scope of application

[0008] Suitable for various types of pressure injuries such as infectious, small exudate, dry, fresh and burn injuries;

[0009] Suitable for superficial, medium-depth, and pressure injuries with small to medium exudates;

[0010] Suitable for patients at risk of pressure injuries or fragile skin at the pressure point; especially suitable for locally fragile skin to prevent pressure injuries.

[0011] 3. Usage

[0012] Clean the pressure injury area: Use saline or a professional cleanser to clean it.

[0013] Choosing a dressing: Choose the appropriate size based on the size of the pressure injury.

[0014] Dressing Application: Remove the protective film and apply the dressing smoothly to the pressure injury area.

[0015] Regular replacement: Generally, replace it every 3 to 7 days, depending on the location of the pressure injury.

[0016] The medical consumables used for trauma care on the spot are mainly hydrocolloid dressings, which can be used to implement clinical management of the exudative pressure injury sites of patients with pressure injuries. Figure 1A commonly used traditional hydrocolloid dressing is shown. The traditional hydrocolloid dressing generally used in clinical practice consists of a gel layer and a PU backing, and the gel layer contains hydrocolloid particles that can absorb liquids. When exudate appears at the wound site of a patient, the gel layer of the hydrocolloid dressing can promptly access exudate management, absorb the exudate to keep the wound site clean, and prevent the exudate from leaking outwards.

[0017] However, during the use process, it is found that the traditional hydrocolloid dressing still has the following usage defects during use:

[0018] As the exudate absorption time of the gel layer of the hydrocolloid dressing increases, its internal swelling (at the central position) gradually squeezes the damaged area of the patient, so it will exert pressure on the tissue where the damaged area is located, further aggravating the degree of damage and affecting the normal recovery of the central damaged area; and for these state changes, nurses need to go to the pressure injury patients at any time to understand the state, so it takes up a lot of nurses' time;

[0019] For the damaged area, its surrounding temperature and humidity, local pressure, changes in the patient's body position angle, etc. may all affect the recovery degree of the damaged area. Therefore, nursing staff need to constantly monitor the situation of the damaged area of pressure injury patients; while the traditional hydrocolloid dressings used in existing clinics have no monitoring function and cannot achieve background monitoring. Summary of the Invention

[0020] To solve the above problems, the present application proposes a flexible electronic integrated pressure injury prevention dressing device, its application method and an electronic device.

[0021] On the one hand, the present application proposes a flexible electronic integrated pressure injury prevention dressing device, which includes a foam dressing inner layer 3, a foam dressing intermediate layer and a foam dressing outer layer 2 that are sequentially compounded, wherein:

[0022] The foam dressing intermediate layer is a piezoelectric elastic damage monitoring module 4 disposed between the foam dressing inner layer 3 and the foam dressing outer layer 2;

[0023] The piezoelectric elastic damage monitoring module 4 is used for: monitoring the state data of the damaged area of pressure injury patients and reporting it to the nurse station background in real time;

[0024] When the nurse station background monitors that the state data of the pressure injury patient appears a preset abnormal situation, a dressing care alarm signal is sent to the corresponding PDA terminal;

[0025] The piezoelectric elastic damage monitoring module 4 and the PDA terminal are respectively communicatively connected to the nurse station background.

[0026] As an optional implementation scheme of the present application, optionally, the device further includes:

[0027] The transparent hydrocolloid dressing layer 1 is disposed around the periphery of the foam dressing outer layer 2, and the outer edge thereof is at least 8 - 15 mm away from the outer edge of the foam dressing outer layer 2.

[0028] As an alternative embodiment of the present application, optionally, the foam dressing inner layer 3 is made of a soft silicone coating.

[0029] As an alternative embodiment of the present application, optionally, the foam dressing outer layer 2 is made of a transparent waterproof layer.

[0030] As an alternative embodiment of the present application, optionally, symmetric stepped surfaces are formed on the upper surface of the foam dressing inner layer 3 and the lower surface of the foam dressing outer layer 2, and an installation groove for accommodating the piezoelectric elastic damage monitoring module 4 is formed between the upper and lower stepped surfaces.

[0031] As an alternative embodiment of the present application, optionally, the piezoelectric elastic damage monitoring module 4 includes:

[0032] A piezoelectric thin film sensor for monitoring the local pressure signal of the damaged part and feeding it back to the controller;

[0033] A temperature and humidity sensor for monitoring the temperature and humidity signal of the damaged part and feeding it back to the controller;

[0034] An acceleration sensor for monitoring the body position signal of the damaged part and feeding it back to the controller;

[0035] A controller for receiving and processing each signal, generating the status data and forwarding it to the communication module, wherein the status data includes the local pressure value, temperature and humidity value, and body position change data changing with time;

[0036] A power supply for power supply;

[0037] A communication module for communicating between the piezoelectric elastic damage monitoring module 4 and the nurse station background, including: reporting the status data to the nurse station background in real time;

[0038] The piezoelectric thin film sensor, temperature and humidity sensor, acceleration sensor, power supply, and communication module are respectively electrically connected to the controller;

[0039] The communication module is communicatively connected to the nurse station background.

[0040] As an alternative embodiment of the present application, optionally, the temperature and humidity sensor adopts a micro aht15 temperature and humidity sensor module, and its sensor probes are distributed in the foam dressing inner layer 3.

[0041] As an alternative embodiment of the present application, optionally, the piezoelectric thin film sensor is laid flat in the stepped surface on the upper surface of the inner layer 3 of the foam dressing.

[0042] On the other hand, the present application proposes an application method for a flexible electronic integrated pressure injury prevention dressing device, including the following steps:

[0043] The nurse logs in to the nurse station background through the PDA terminal, and issues an activation instruction to the flexible electronic integrated pressure injury prevention dressing device applied to the corresponding pressure injury patient through the nurse station background;

[0044] The piezoelectric elastic injury monitoring module 4 in the flexible electronic integrated pressure injury prevention dressing device receives and responds to the activation instruction, and starts to monitor the status data of the injury site of the pressure injury patient and report it to the nurse station background in real time, including:

[0045] Receiving the activation instruction through the communication module and forwarding it to the controller, and the controller responds and activates the monitoring program;

[0046] Monitoring the local pressure signal of the injury site through the piezoelectric thin film sensor and feeding it back to the controller;

[0047] Monitoring the temperature and humidity signals of the injury site through the temperature and humidity sensor and feeding them back to the controller;

[0048] Monitoring the body position signal of the injury site through the acceleration sensor and feeding it back to the controller;

[0049] The controller receives and processes each signal, generates the status data and forwards it to the communication module, wherein the status data includes the local pressure value, temperature and humidity value and body position change data that change with time;

[0050] Reporting the status data to the nurse station background in real time through the communication module;

[0051] The nurse station background receives and monitors whether the status data of the pressure injury patient appears a preset abnormal situation: if yes, a dressing care alarm signal is sent to the corresponding PDA terminal; otherwise, it is abandoned.

[0052] On the other hand, the present application also proposes an electronic device, including:

[0053] A processor;

[0054] A memory for storing instructions executable by the processor;

[0055] Wherein, when the processor is configured to execute the executable instructions, the application method is implemented.

[0056] The technical effects of the present invention:

[0057] The flexible electronic integrated pressure injury prevention dressing device provided by the present invention includes a foam dressing inner layer 3, a foam dressing intermediate layer, and a foam dressing outer layer 2 that are sequentially laminated. Among them: the foam dressing intermediate layer is a piezoelectric elastic injury monitoring module 4, which is used to monitor the status data (including local pressure values, temperature and humidity values, and body position change data that change over time) of the injured part of a pressure injury patient and report it to the nurse station background in real time; when the nurse station background monitors that the status data of a pressure injury patient shows a preset abnormal situation, a dressing care alarm signal is sent to the corresponding PDA terminal. Therefore, the dressing can be turned into an intelligent facility, monitor the local pressure and other conditions of the patient's injured part, realize the reporting of status data, and the background can conduct online supervision on the injured tissue condition of the patient, eliminating the need for nurses to supervise in person, saving the nurse's monitoring time, reducing the difficulty, realizing the intelligent management and application of pressure injury dressings, and improving the nursing efficiency.

[0058] Other features and aspects of the present disclosure will become apparent from the following detailed description of exemplary embodiments with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0059] The drawings included in and constituting a part of this specification, together with the specification, illustrate exemplary embodiments, features, and aspects of the present disclosure and are used to explain the principles of the present disclosure.

[0060] Figure 1 Shows a schematic diagram of the application principle of a traditional hydrocolloid dressing;

[0061] Figure 2 Shows a schematic diagram of the device structure of the present invention;

[0062] Figure 3 Shows a schematic diagram of the application system of the piezoelectric elastic injury monitoring module of the present invention;

[0063] Figure 4 Shows a schematic diagram of the application structure of the electronic device of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0064] Various exemplary embodiments, features, and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. The same reference numerals in the drawings denote elements having the same or similar functions. Although various aspects of the embodiments are shown in the drawings, the drawings are not necessarily drawn to scale unless otherwise specified.

[0065] The term "exemplary" used herein means "serving as an example, embodiment, or illustration". Any embodiment described herein as "exemplary" is not necessarily to be construed as superior to or better than other embodiments.

[0066] In addition, for a better illustration of the present disclosure, numerous specific details are provided in the following detailed implementation manners. Those skilled in the art should understand that the present disclosure can still be implemented without certain specific details. In some instances, means, components, and circuits well-known to those skilled in the art are not described in detail to highlight the gist of the present disclosure.

[0067] Embodiment 1

[0068] As Figure 2 shown, on the one hand, the present application provides a flexible electronic integrated pressure injury prevention dressing device, which includes a foam dressing inner layer 3, a foam dressing intermediate layer, and a foam dressing outer layer 2 that are sequentially compounded, wherein:

[0069] The foam dressing intermediate layer is a piezoelectric elastomeric damage monitoring module 4 disposed between the foam dressing inner layer 3 and the foam dressing outer layer 2;

[0070] The piezoelectric elastomeric damage monitoring module 4 is used for: monitoring the status data of the damaged part of a pressure injury patient and reporting it to the nurse station background in real time;

[0071] When the nurse station background monitors that the status data of a pressure injury patient appears a preset abnormal situation, a dressing care alarm signal is sent to the corresponding PDA terminal;

[0072] The piezoelectric elastomeric damage monitoring module 4 and the PDA terminal are respectively communicatively connected to the nurse station background.

[0073] For the traditional skin contact layer (inner layer) in contact with the skin, hydrogel is used. Although it can absorb exudate, the middle part swells after absorbing the exudate from the pressure injury site, causing pressure on the damaged tissue and affecting recovery. Therefore, here, as an alternative implementation manner of the present application, optionally, the foam dressing inner layer 3 adopts a soft silicone coating. The foam dressing inner layer (skin contact layer) selected with a soft silicone coating can be repeatedly pasted and absorb a small amount of exudate (the adhesion force of the soft silicone is not large and the exudate does not flow back, and it can be used for fragile or weak skin to prevent the occurrence of pressure injury). The soft silicone coating has stronger liquid barrier performance and can more effectively prevent the penetration of exudate, while the hydrogel layer has strong water absorption but relatively weak barrier performance.

[0074] Therefore, the adoption of the present invention is applicable to the prevention of pressure injury situations. It can be used for stage 1 or stage 2 pressure injuries to avoid the aggravation of the pressure injury site.

[0075] The hydrogel layer used in the present invention is provided as an outer layer. The outer layer 2 of the foam dressing is made of a transparent waterproof layer. The transparent hydrogel dressing layer 1 adopted is disposed around the outer periphery of the outer layer 2 of the foam dressing, and the outer edge thereof is at least 8-15 mm away from the outer edge of the outer layer 2 of the foam dressing.

[0076] With the above solution, the outer layer of the foam dressing is selected as a waterproof transparent layer to prevent the invasion of external liquid water (urine and feces, sweat, etc.), so as to increase the service life of the foam dressing. The transparent hydrogel dressing is selected around the dressing, which can be appropriately cut to fit multiple parts and avoid leakage of exudate. The middle is in contact with a soft silicone coating, which can absorb a small amount of exudate without causing liquid absorption and expansion to cause pressure on the damaged central part. The outer layer is surrounded by a hydrogel layer to absorb the exuded exudate and prevent the exudate from leaking out.

[0077] In this aspect, in order to enable the background to monitor the usage of the dressing worn by the patient and supervise the change of the state parameters of the pressure injury site after the patient uses the dressing, so as to facilitate the background to perform injury care in a timely manner according to the state data of the application site, a piezoelectric elastic injury monitoring module is provided in the middle layer of the dressing. This module is a wireless terminal module, which has a wireless communication module (such as a Bluetooth or 5G module) and corresponding sensors inside. It can be compounded and set between the inner layer and the outer layer through a sealant (by forming symmetric stepped surfaces on the upper surface of the inner layer 3 of the foam dressing and the lower surface of the outer layer 2 of the foam dressing, and an installation groove for accommodating the piezoelectric elastic injury monitoring module 4 is formed between the upper and lower stepped surfaces for installing and fixing the module, and it can be integrally formed specifically), and can monitor the local pressure, temperature and humidity values, body position change angle inside the dressing, and form objective data such as decompression or pressurization time of the damaged tissue according to the continuous data of various monitored signals. The terminal module is built-in with a control chip, such as an MCU single-chip microcomputer chip, which has a clock module inside and can time various monitored state data or signals. The MCU forms corresponding timing data, such as the state change data of the pressure increase or decrease over time. After being processed by the controller, these data can be uploaded to the nurse station background through the wireless communication module and recorded on the background (the formed recorded data, after historical data accumulation, can constitute big data related to the monitoring status of the corresponding dressing. Subsequently, an AI monitoring and early warning model can be further constructed based on big data technology and deployed on the nurse station background to online monitor and early warn the status of the damaged parts of each patient).

[0078] The solution for using AI intelligence to perform injury status early warning can be described with reference to the following technical steps:

[0079] I. Determine the goals and performance indicators

[0080] Clear the goal: Build an AI model that can monitor the relevant parameters of the patient's injury site in real time and identify the warning types under different status values based on these parameters.

[0081] Set performance metrics: Such as accuracy, recall, F1 score, etc., to evaluate the performance of the model.

[0082] II. Data Collection and Processing

[0083] Data collection:

[0084] Use devices such as sensors to collect data on local pressure, temperature and humidity values, body position change angles, and decompression or pressurization time of damaged tissues at the patient's injury site in real time. Specifically, data monitoring and collection can be combined with the above-mentioned various sensors.

[0085] Record warning information under different states, including normal state, warning state, dangerous state, etc.

[0086] To facilitate the model to learn the data characteristics under different warning situations, several groups of sensing data under different state alarms can be collected, such as the dressing state parameters (previous groups of data) when damage pressure alarm occurs. Through the collection and feature processing of different alarm data groups, the dressing monitoring application data under different alarm states can be obtained, and the data characteristics under different warning states can be trained and learned to build and apply the corresponding AI model.

[0087] Data preprocessing:

[0088] Clean the collected data, including handling missing values, duplicate data, outliers, etc.

[0089] Standardize the data format to ensure the consistency and comparability of the data.

[0090] Data annotation: According to actual needs, annotate the data, such as text classification, image annotation, etc., so that the model can better understand the data.

[0091] Feature engineering: Use feature extraction algorithms to identify and extract the dressing monitoring alarm data when corresponding injury warnings occur. For example, when the damage pressure value appears in a numerical range and triggers an alarm, a feature set under this alarm state (type, such as damage pressurization alarm) can be constructed. The extraction and processing of feature values can be carried out by the administrator according to the numerical type to extract the feature value range under the corresponding alarm state.

[0092] III. Model Construction and Training

[0093] Select an algorithm: Select a suitable algorithm according to the task requirements, such as machine learning, deep learning, etc. In the medical field, commonly used algorithms include support vector machines, neural networks, random forests, etc.

[0094] Data splitting: The dataset is divided into a training set, a validation set, and a test set, usually in the ratio of 70% for training, 15% for validation, and 15% for testing.

[0095] Model training: Use the training set data to train the model. Through steps such as forward propagation, loss calculation, backpropagation, and parameter update, continuously optimize the model parameters.

[0096] Model evaluation and optimization: Evaluate the model performance on the validation set and the test set, and use metrics such as accuracy, recall rate, and F1 score for evaluation. According to the evaluation results, perform optimization operations on the model, such as adjusting parameters, reselecting features, and improving algorithms.

[0097] IV. Model Deployment and Application

[0098] Model compression and hardware acceleration: To improve the inference speed of the model, model compression techniques (such as pruning, quantization, etc.) and hardware acceleration techniques (such as GPU, TPU, etc.) can be used.

[0099] Deployment platform selection: Select a suitable deployment platform, such as cloud services, local servers, etc., and deploy the trained model to the actual application environment.

[0100] Develop API interfaces: To facilitate the invocation of the model for inference, API interfaces can be developed to achieve automated deployment and update.

[0101] Real-time monitoring and early warning: By collecting and processing relevant data of the patient's injury site in real time, the model can automatically identify the early warning types under different status values and send out early warning information in a timely manner to help medical staff take corresponding measures in a timely manner.

[0102] Therefore, through the above steps, an AI intelligent monitoring and early warning model that can monitor and early warn the relevant parameters of the patient's injury site in real time can be constructed, providing strong support for medical care. It can enable the background to intelligently monitor and early warn each patient wearing the dressing device. The monitored alarm signals can be automatically sent by the background to the corresponding device for response, realizing intelligent management and application.

[0103] After the monitoring module is activated, it can communicate with the nurse station background through the communication module. The module is registered by the background. On the background, the nurse can also use the PDA terminal to bind the corresponding user to each module in advance on the background, that is, bind the corresponding used module (such as the device number) to the patient identity or the visit ID of its user, facilitating the background to monitor the status of the pressure injury sites of each patient. Subsequently, the module can continuously upload the corresponding status data, and the background will record and bind it.

[0104] On the background, nurses can log in to the background through the PDA terminal and view the files of each patient. For example, they can enter the HIS system in the background to view the electronic medical record files of each patient, so as to set the corresponding judgment conditions for abnormal situations according to the conditions of the pressure injury sites of each patient. For example, when the temperature and humidity value exceeds 20-25°C, it is determined that an abnormal situation has occurred; for example, when the angle of body position change exceeds the xx angle, this is also determined to be an abnormal situation, and the preset numerical thresholds for these abnormal situations are set and saved in advance. After the background receives the status data uploaded by the module, the background can compare the status data of the patient based on the preset judgment threshold for abnormal situations to determine whether an abnormal situation has occurred. For example, if an abnormal situation where the local pressure exceeds the preset pressure threshold occurs, a dressing care alarm signal can be sent to the PDA terminal used by the nurse in charge of the patient, notifying the nurse to go and take corresponding measures for the dressing care of the patient.

[0105] On the nurse station background, various abnormal situations can be preset for each patient, and the thresholds of the corresponding status data are specifically set. When it is not within the threshold range, the background determines that it is abnormal. At this time, a "dressing care alarm signal" corresponding to the abnormal data can be generated and sent to the handheld PDA terminal of the responsible nurse for alarm. For example, if it is monitored that the temperature and humidity exceed the threshold range or are not within the threshold range, a temperature and humidity alarm signal is generated and sent to the PDA terminal to remind the nurse to go and check.

[0106] In the present invention, the communication and binding management between the PDA terminal and the background can refer to the management and application principles of existing hospital nurses' PDAs, and will not be elaborated in this embodiment.

[0107] Each device communicates with the background through the piezoelectric elastic damage monitoring module 4 therein, and conducts data communication and control based on wireless or wired methods. For example, using 5G, after a connection is established between the piezoelectric elastic damage monitoring module 4 and the background, the background can register the device number and communication address ID of the piezoelectric elastic damage monitoring module 4, etc., generate an activation and usage file of the piezoelectric elastic damage monitoring module 4, and display its usage status. When the nurse wears the device where the piezoelectric elastic damage monitoring module 4 is located for the patient, the current piezoelectric elastic damage monitoring module 4 can be bound to the corresponding patient information through the PDA and uploaded to the background, so as to bind the device number of the piezoelectric elastic damage monitoring module 4 with the patient identity or medical treatment ID on the background, facilitating the subsequent binding of the status data reported by each piezoelectric elastic damage monitoring module 4 with the corresponding patient and writing it into the electronic medical record file (HIS system) of the corresponding patient to achieve object management.

[0108] Therefore, adopting this solution can make the dressing become an intelligent nursing facility and enable nurses to remotely monitor the use of the dressing.

[0109] As shown Figure 3 in the figure, as an optional implementation of the present application, optionally, the piezoelectric elastic damage monitoring module 4 includes:

[0110] A piezoelectric thin film sensor for monitoring the local pressure signal of the damaged part and feeding it back to the controller;

[0111] A temperature and humidity sensor for monitoring the temperature and humidity signals of the damaged part and feeding them back to the controller;

[0112] An acceleration sensor for monitoring the body position signal of the damaged part and feeding it back to the controller;

[0113] A controller for receiving and processing each signal, generating the status data and forwarding it to the communication module, where the status data includes the local pressure value, temperature and humidity value, and body position change data that change with time;

[0114] A power supply for power supply;

[0115] A communication module for communication between the piezoelectric elastic damage monitoring module 4 and the nurse station background, including: reporting the status data to the nurse station background in real time;

[0116] The piezoelectric thin film sensor, temperature and humidity sensor, acceleration sensor, power supply and communication module are respectively electrically connected to the controller;

[0117] The communication module is communicatively connected to the nurse station background.

[0118] As an optional implementation of the present application, optionally, the temperature and humidity sensor uses a micro aht15 temperature and humidity sensor module, and its sensor probes are distributed in the inner layer 3 of the foam dressing.

[0119] As an optional implementation of the present application, optionally, the piezoelectric thin film sensor is laid flat in the stepped surface on the upper surface of the inner layer 3 of the foam dressing.

[0120] The present invention can respectively monitor the subcutaneous local pressure, temperature and humidity, body position change angle, and tissue decompression time of the thin film sensor. Specifically:

[0121] Pressure monitoring: It can be realized by a piezoresistive or piezoelectric thin film sensor. For example, a resistive pressure thin film sensor such as FSR406 can detect the subcutaneous local pressure with high precision and sensitivity.

[0122] Temperature and humidity monitoring: A thin film sensor integrated with temperature and humidity sensing elements needs to be selected. Such sensors can sense and feedback the temperature and humidity changes of the environment or the skin surface in real time.

[0123] Body position change angle monitoring: This can be achieved through a three-dimensional inclinometer or acceleration sensor. This type of sensor can monitor the body position change angle of the human body and then evaluate the quality of the body position change.

[0124] Tissue decompression time monitoring: usually requires the combination of pressure sensors and time recording functions, and the relationship between pressure changes and time is analyzed through algorithms to evaluate the tissue decompression time. This has a controller to process information and record signals in combination with the time output by the clock.

[0125] The piezoelectric film sensor needs to be laid flat to facilitate contact with the damaged part. When the damaged part changes angle or other situations occur, the piezoelectric film sensor can be used to monitor its local pressure signal. The temperature and humidity sensor, for example, can use the corresponding temperature and humidity sensing element or probe, etc. The temperature and humidity sensing probe needs to be distributed in the inner layer of the foam to monitor the corresponding temperature and humidity. The acceleration sensor can be directly set in the gap between the outer layer and the inner layer, which can be sealed by a sealant.

[0126] The controller uses a single-chip microcomputer MCU control chip, which has built-in filtering circuits, op amp circuits, clock circuits, etc. After receiving the corresponding sensor signal, it can perform corresponding signal filtering, op amps, and signal A / D conversion in sequence. In addition, the MCU has a clock circuit (built-in), which can mark the corresponding signal with a clock after receiving it, so as to generate the corresponding timing signal. After processing, the corresponding state change data can be generated, such as the local pressure change data collected over time according to the sampling frequency. These data can be stored by the MCU in the controller's own flash memory, and the controller can forward them to the communication module and upload them to the background.

[0127] The controller also has a power supply circuit inside to manage the power supply, such as a lithium battery management circuit (refer to the battery management circuit of existing wristbands and other terminals), etc. The corresponding circuit can refer to the structure and principle of the existing single-chip microcomputer or the corresponding electronic controller, which is not limited in this embodiment. The specific model of the MCU chip, for example, can be an STM64 or 32-bit series single-chip microcomputer, and the power supply can be a lithium battery, etc.

[0128] The integrated structure of the electronic facilities such as sensors in the monitoring module of the present invention is not limited by the present invention. They can be integrated on a PCB board, and the PCB board is sealed and waterproofed, and then compounded in the dressing.

[0129] Obviously, those skilled in the art should understand that to implement all or part of the processes in the above embodiments, it can be completed by instructing relevant hardware through a computer program. The program can be stored in a computer-readable storage medium. When the program is executed, it can include the processes of the above control embodiments. Those skilled in the art can understand that to implement all or part of the processes in the above embodiments, it can be completed by instructing relevant hardware through a computer program. The program can be stored in a computer-readable storage medium. When the program is executed, it can include the processes of the above control embodiments. Among them, the storage medium can be a magnetic disk, an optical disc, a read-only memory (ROM), a random access memory (RAM), a flash memory, a hard disk drive (HDD), or a solid-state drive (SSD), etc.; the storage medium can also include a combination of the above types of memories.

[0130] Embodiment 2

[0131] Based on the implementation principle of Embodiment 1, on the other hand, the present application proposes an application method for a flexible electronic integrated pressure injury prevention dressing device, including the following steps:

[0132] The nurse logs in to the nurse station background through the PDA terminal and issues an activation instruction to the flexible electronic integrated pressure injury prevention dressing device applied to the corresponding pressure injury patient through the nurse station background;

[0133] The piezoelectric elastic damage monitoring module 4 in the flexible electronic integrated pressure injury prevention dressing device receives and responds to the activation instruction, and starts to monitor the state data of the injury site of the pressure injury patient and report it to the nurse station background in real time, including:

[0134] Receiving the activation instruction through the communication module and forwarding it to the controller, and the controller responds and activates the monitoring program;

[0135] Monitoring the local pressure signal of the injury site through the piezoelectric film sensor and feeding it back to the controller;

[0136] Monitoring the temperature and humidity signals of the injury site through the temperature and humidity sensor and feeding them back to the controller;

[0137] Monitoring the body position signal of the injury site through the acceleration sensor and feeding it back to the controller;

[0138] The controller receives and processes each signal, generates the status data and forwards it to the communication module. Among them, the status data includes the local pressure value, temperature and humidity value, and body position change data that change over time.

[0139] The communication module reports the status data to the nurse station background in real time.

[0140] The nurse station background receives and monitors whether the status data of the pressure injury patient appears a preset abnormal situation: if yes, it sends a dressing care alarm signal to the corresponding PDA terminal; otherwise, it gives up.

[0141] The above steps can be understood and implemented in combination with the description principle in Embodiment 1, and will not be elaborated in this embodiment.

[0142] Each module or step of the present invention described above can be implemented by a general computing system. They can be concentrated on a single computing system or distributed on a network composed of multiple computing systems. Optionally, they can be implemented by program codes executable by the computing system. Thus, they can be stored in the storage system and executed by the computing system, or they can be made into individual integrated circuit modules respectively, or multiple modules or steps among them can be made into a single integrated circuit module to implement. In this way, the present invention is not limited to any specific combination of hardware and software.

[0143] Embodiment 3

[0144] As Figure 4 shown, further, on the other hand, the present application also proposes an electronic device, including:

[0145] A processor;

[0146] A memory for storing instructions executable by the processor;

[0147] Wherein, when the processor is configured to execute the executable instructions, it implements the application method described in Embodiment 2.

[0148] The electronic device in the embodiment of the present disclosure includes a processor and a memory for storing instructions executable by the processor. Among them, when the processor is configured to execute the executable instructions, it implements the application method described in the previous Embodiment 2.

[0149] Here, it should be noted that the number of processors can be one or more. At the same time, in the electronic device in the embodiment of the present disclosure, an input system and an output system can also be included. Among them, the processor, the memory, the input system and the output system can be connected through a bus or in other ways, and specific limitations are not made here.

[0150] The memory, as a computer-readable storage medium, can be used to store software programs, computer-executable programs, and various modules, such as the programs or modules corresponding to the application methods of the embodiments of the present disclosure. The processor executes various functional application methods and data processing of the electronic device by running the software programs or modules stored in the memory.

[0151] The input system can be used to receive input numbers or signals. Among them, the signal can be a key signal related to the user settings and function control of the device / terminal / server. The output system can include display devices such as a display screen.

[0152] The above has described the embodiments of the present disclosure. The above description is exemplary and not exhaustive, and is not limited to the disclosed embodiments. Many modifications and variations are obvious to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The selection of the terms used herein is intended to best explain the principles of the embodiments, the practical application methods, or the improvements to the technologies in the market, or to enable other ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. A flexible electronic integrated pressure injury prevention dressing device, characterized in that: The device comprises a foam dressing inner layer (3), a foam dressing middle layer and a foam dressing outer layer (2) which are compositely arranged in sequence, wherein: The middle layer of the foam dressing is a piezoelectric elastic damage monitoring module (4) arranged between the inner layer (3) of the foam dressing and the outer layer (2) of the foam dressing; The piezoelectric elastic injury monitoring module (4) is used to: monitor the status data of the injured part of the pressure injury patient and report it to the nurse station backstage in real time; When the status data of the pressure injury patient monitored by the nurse station background shows a preset abnormal situation, a dressing care alarm signal is sent to the corresponding PDA terminal; The piezoelectric elastic injury monitoring module (4) and the PDA terminal are respectively connected to the backend of the nurse station for communication.

2. A flexible electronic integrated pressure injury prevention dressing device according to claim 1, characterized in that: The device also includes: The transparent hydrogel dressing layer (1) is arranged around the outer layer (2) of the foam dressing, and its outer edge is at least 8-15 mm away from the outer edge of the outer layer (2) of the foam dressing.

3. A flexible electronic integrated pressure injury prevention dressing device according to claim 1, characterized in that: The inner layer (3) of the foam dressing adopts a soft silicone coating.

4. The flexible electronic integrated pressure injury prevention dressing device according to claim 1, characterized in that: The outer layer (2) of the foam dressing adopts a transparent waterproof layer.

5. The flexible electronic integrated pressure injury prevention dressing device according to claim 1, characterized in that: Symmetrical stepped surfaces are formed on the upper surface of the inner layer (3) of the foam dressing and the lower surface of the outer layer (2) of the foam dressing, and a mounting groove for accommodating the piezoelectric elastic damage monitoring module (4) is formed between the upper and lower stepped surfaces.

6. The flexible electronic integrated pressure injury prevention dressing device according to claim 1, characterized in that: The piezoelectric elastic damage monitoring module (4) comprises: Piezoelectric film sensor, used to monitor the local pressure signal of the injury site and feed it back to the controller; Temperature and humidity sensor, used to monitor the temperature and humidity signals of the damaged part and feed back to the controller; An acceleration sensor is used to monitor the body position signal of the injured part and feed it back to the controller; A controller, used to receive and process each signal, generate the status data and forward it to the communication module, wherein the status data includes local pressure values, temperature and humidity values, and body position change data that change with time; Power supply, used for power supply; A communication module, used for communication between the piezoelectric elastic damage monitoring module (4) and the nurse station backend, comprising: reporting the status data to the nurse station backend in real time; The piezoelectric film sensor, temperature and humidity sensor, acceleration sensor, power supply and communication module are electrically connected to the controller respectively; The communication module is connected to the backend of the nurse station for communication.

7. A flexible electronic integrated pressure injury prevention dressing device according to claim 6, characterized in that: The temperature and humidity sensor adopts a miniature AHT15 temperature and humidity sensor module, and its sensor probe is distributed in the inner layer (3) of the foam dressing.

8. The flexible electronic integrated pressure injury prevention dressing device according to claim 6, characterized in that: The piezoelectric film sensor is arranged flat on the stepped surface of the upper surface of the inner layer (3) of the foam dressing.

9. An application method of a flexible electronic integrated pressure injury prevention dressing device according to any one of claims 1 to 8, characterized in that: The steps include: The nurse logs in to the nurse station backend through the PDA terminal, and sends an activation instruction to the flexible electronic integrated pressure injury prevention dressing device applied to the corresponding pressure injury patient through the nurse station backend; The piezoelectric elastic injury monitoring module (4) in the flexible electronic integrated pressure injury prevention dressing device receives and responds to the activation instruction, starts monitoring the status data of the injury site of the pressure injury patient and reports it to the nurse station backend in real time, including: The activation instruction is received by the communication module and forwarded to the controller, and the controller responds and activates the monitoring program; The local pressure signal of the damaged part is monitored by a piezoelectric film sensor and fed back to the controller; The temperature and humidity signals of the damaged part are monitored by the temperature and humidity sensor and fed back to the controller; The body position signal of the injured part is monitored by an acceleration sensor and fed back to the controller; The controller receives and processes each signal, generates the status data and forwards it to the communication module, wherein the status data includes local pressure values, temperature and humidity values, and body position change data that change over time; Reporting the status data to the nurse station backend in real time through the communication module; The nurse station background receives and monitors the status data of the pressure injury patient to see if a preset abnormal situation occurs: if so, a dressing care alarm signal is sent to the corresponding PDA terminal; otherwise, the alarm is abandoned.

10. An electronic device, characterized in that include: processor; a memory for storing processor-executable instructions; Wherein, the processor is configured to implement the application method described in claim 9 when executing the executable instructions.

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