87 results about "Medical electronics" patented technology

The invention belongs to the technical field of medical electronic equipment, and discloses a control system for alternative electrical stimulation of idiopathic tremor, and the system comprises a signal collection module which is used for obtaining tremor motion data of a patient in real time; the signal processing module is used for analyzing tremor frequency, amplitude and phase characteristics; the dynamic parameter generation module is used for generating an alternate stimulation mode according to the tremor characteristics; and the electrode array module comprises at least two stimulating electrodes and a reference electrode. The invention provides a non-invasive and dynamically optimized alternate electrical stimulation control system which is used for inhibiting hand tremor of an idiopathic tremor patient, regulation and control of a tremor network can be enhanced by alternately stimulating different peripheral nerves, the curative effect can be improved through closed-loop feedback optimization parameters, long-acting and safe tremor inhibition is achieved, and the treatment effect is improved. The problems of insufficient curative effect, nerve adaptability, surgical risk and the like in the prior art are solved.

The invention discloses a laser printing assisted reduced pressure filtration preparation process of an electromagnetic loss metasurface, which belongs to the field of microwave communication, has the advantages of short time consumption and low cost, and is suitable for small-batch design and preparation in product research and development. The electromagnetic loss metasurface template is prepared through a laboratory laser or ink-jet printing technology to obtain the microfiltration membrane mask, operation is convenient and fast, consumed time is short, and cost is low. The electromagnetic loss metasurface is obtained by pattern deposition on a microfiltration membrane mask through a decompression suction filtration process, and finally the electromagnetic loss metasurface is obtained through transfer printing and packaging. The preparation process has wide application prospects in the fields of aerospace, radar communication, medical electronics and the like.

The invention relates to the field of medical electronics and rehabilitation engineering, and discloses a throat electromyographic signal synchronous swallowing action monitoring and aspiration early-warning device which comprises a shell, a display screen is fixedly connected to the top of the shell, a connecting end is arranged outside the shell, one end of a connecting wire is arranged in the middle of the connecting end, and the other end of the connecting wire is connected with the display screen. A signal collecting assembly is arranged outside the connecting line at the other end, the collecting assembly is electrically connected with a signal processing assembly and used for receiving collected throat electromyographic signals, analyzing the signals and outputting the signals, and the signal processing assembly comprises a main control circuit board. According to the invention, through the multi-source signal synchronization module, a mechanical acceleration peak value of laryngeal knot movement is captured by using an inertial sensor to serve as a hard time reference point, and a time window is constructed to segment and align throat electromyographic signals, so that the time resolution and the analysis accuracy of swallowing action feature extraction are improved.

The invention discloses a question and answer evaluation method and system for autism intervention, and relates to the field of medical electronic systems.The method comprises the steps that historical data are extracted, noise reduction processing is carried out to obtain noise reduction data after noise reduction processing, and a database is built according to the noise reduction data, a word frequency-inverse document frequency algorithm and a BERT model; extracting question and answer information of a plurality of different autism stages in the database, and constructing a judgment model according to the question and answer information and the database; obtaining current question and answer data, and obtaining a judgment result of the child according to the current question and answer data and the judgment model; the teacher resume in the database is extracted, multiple recommendation teachers are determined according to the teacher resume and a judgment result, the two are combined to form a multi-level semantic feature matrix, local word frequency information is reserved, global context understanding is fused, and therefore the problem that feature extraction of a single model is one-sided is solved; accurate recognition capability of autism core symptoms (such as social obstacles and communication defects) is remarkably improved, and a more reliable behavior characteristic basis is provided for an intervention scheme.

The invention belongs to the technical field of medical electronic equipment, and particularly relates to a wireless surface electromyogram nerve conduction testing system which comprises a flexible wearable sensor module. A multi-mode signal processing module and a wireless transmission and edge calculation module; an intelligent analysis terminal; according to the wireless surface electromyogram nerve conduction test system, a wireless transmission mode is adopted, limitation of a cable to motion is avoided, motion artifacts caused by cable traction are reduced, acquired signals can reflect muscle activity and nerve conduction conditions more truly, the risk of missed diagnosis or misdiagnosis is reduced, and the test efficiency is improved. Secondly, high-precision synchronization of signals and effective noise reduction of the adaptive noise reduction unit are realized through hardware-level timestamps, useful electromyographic signals and nerve conduction signals can be more accurately separated and extracted, interference factors are eliminated, and doctors can more clearly analyze signal characteristics and accurately judge neuromuscular function states; and misjudgment caused by signal interference is avoided.

The invention relates to the technical field of biomedical signal processing and medical electronics, in particular to a blood pressure measuring method for non-invasive exercise blood pressure monitoring. The method aims to solve the technical problem of low blood pressure measurement accuracy caused by broadband noise interference and failure of a fixed parameter model in a motion state in the prior art. According to the technical scheme, the method comprises the steps that a cardiac cycle reference signal and a Korotkoff sound signal are synchronously collected, a sampling window is calculated in a self-adaptive mode by utilizing a cycle triggering feature point gating mechanism and combining a heart rate, and time domain precise interception of the signals is achieved; carrying out root mean square calculation and Savitzky-Golay filtering on the intercepted signal, and keeping waveform characteristics while denoising; constructing a multi-dimensional feature regression model containing a peak value, skewness, kurtosis and dynamic template similarity so as to accurately judge systolic pressure and diastolic pressure; an automatic recharging mechanism is triggered by monitoring signal quality, and strong interference is physically avoided. The method has the advantages of being high in anti-noise capacity, high in feature extraction robustness and accurate and reliable in measurement result.

This invention discloses an intelligent psychological guidance system for harmonizing the Qi of the internal organs based on TCM emotional differentiation, belonging to the field of medical electronic equipment. The system includes a multi-node physiological signal acquisition module, a central control and data processing module, and an acoustic intervention output module. The system synchronously acquires multi-channel bioimpedance, volumetric pulse wave, and electrocardiogram signals, extracts pulse wave conduction time and local blood perfusion index, constructs Qi characteristic parameters, and maps them to generate emotional tags. The central control module locks the target resonance unlocking frequency according to the tags, modulates low-frequency vibrations with reference audio to synthesize a multimodal signal, and further combines physiological pulse transmission delay to perform phase compensation, controlling the precise output of the intervention signal during ventricular diastole. Steady-state determination and closed-loop tracking are performed based on the dynamic gradient of impedance variance. This invention achieves objective quantification of TCM differentiation and ensures high-precision physical alignment between intervention energy and the hemodynamic state of the internal organs.

The invention discloses a hierarchical medical electronic business card system and an information aggregation method thereof, the system comprises a front-end layer, a business module layer, an external hospital system layer and a block chain layer, the business module layer comprises a two-dimensional code generation and identification module used for generating an anti-counterfeiting verifiable doctor exclusive two-dimensional code based on multi-dimensional hash and a block chain; the doctor information aggregation display module is used for aggregating the multi-source information and dynamically displaying the multi-source information; and the communication interface access module is used for intelligently scheduling multiple communication channels. According to the method, the unification of digital identities of doctors, credible authentication and efficient aggregation of information are realized, the problems of doctor information dispersion, communication channel splitting and the like in the prior art are solved, and the doctor-patient connection efficiency and the digital management level of doctor services are remarkably improved.

The invention provides a lower limb rehabilitation evaluation method, system and device based on a brain-computer interface and a medium, and relates to the technical field of rehabilitation medicine and medical electronics. According to a lower limb rehabilitation evaluation technology based on a brain-computer interface, a two-way evaluation system of peripheral muscle form-central nervous activity is constructed through synchronous acquisition of wearable A-type ultrasound and electroencephalogram signals; a-type ultrasound monitors the change of the thickness of the rectus femoris in real time, and electroencephalogram signals analyze the coherence of Alpha / Beta frequency bands, so that functional difference evaluation of a stroke patient in a resting state, a passive motion state and an active motion state with different resistances is realized, the limitation of single subjective scoring of a traditional scale is avoided, and a multi-dimensional quantitative index is provided for rehabilitation evaluation.

The invention relates to the technical field of bioinformatics, and relates to a construction method and application of a children chronic hepatitis B prediction model based on machine learning. The construction method comprises the following steps: S1, acquiring corresponding information and data of a research object, and preprocessing the acquired data; s2, screening and determining characteristic indexes of chronic hepatitis B of children; s3, constructing a prediction model; s4, evaluating and comparing the model of the children chronic hepatitis B prediction algorithm; and S5, generating a network calculator and calculating the prediction probability of the chronic hepatitis B of children. The constructed prediction model can predict the probability that children suffer from chronic hepatitis B, the network calculator generated according to the model can be applied to medical electronic cases, children suffering from chronic hepatitis B can be recognized more effectively clinically, effective early intervention can be achieved, and therefore potential hazards caused by chronic hepatitis B to children health are reduced.

The invention belongs to the technical field of electronic functional material and component manufacturing, and particularly relates to a high-performance thermistor and a rapid preparation method thereof.The rapid preparation method comprises the steps that (MnCoFeNi) 3O4 is designed as a basic high-entropy ceramic component, La2O3 and Ce2O3 are cooperatively doped, and the thermal stability and the electrical performance of the material are effectively improved. A high-temperature hot pressed sintering-programmed cooling annealing integrated process is adopted, the temperature is rapidly increased to 1050-1200 DEG C at the speed of 90-120 DEG C / min, meanwhile, the pressure of 10-15 MPa is applied, heat preservation is conducted for 20-30 min, the temperature is slowly reduced to 750-850 DEG C, annealing is conducted, heat preservation is conducted for 2-3 h, powder forming and sintering are completed synchronously, and the production period is shortened. The obtained thermistor has high density (greater than 95%), the B value is between 3756 and 4201 K, the linearity of the resistivity logarithm-temperature reciprocal relation in a wide temperature range of-20 to 150 DEG C is good, and the resistance drift rate is lower than 1.5% after the thermistor is aged at 125 DEG C for 240 hours. The preparation efficiency is improved while the performance is guaranteed, and the method is suitable for the high-end fields of industrial measurement and control, medical electronics and the like.

This invention belongs to the field of supercapacitor technology, specifically relating to a molybdenum oxide-molybdenum disulfide@polytannic acid electrode material, its preparation method, and its applications. Using molybdenum foil as the current collector and electrode, this invention prepares a molybdenum oxide-molybdenum disulfide electrode using electrochemical oxidation and hydrothermal methods. A polytannic acid coating is deposited on its surface to prepare a biodegradable molybdenum oxide-molybdenum disulfide@polytannic acid electrode. This electrode is then sandwiched with a biodegradable gel electrolyte and encapsulated with a biodegradable encapsulation material to construct a biodegradable supercapacitor with self-discharge suppression capabilities. By depositing a polytannic acid coating on the surface of the supercapacitor electrode, its self-discharge behavior is suppressed. The polytannic acid coating can prevent parasitic Faraday reactions of impurity ions on the electrode surface and prevent charge transfer, thereby suppressing the capacitor's self-discharge behavior. Simultaneously, the electrode, electrolyte, and encapsulation material can all degrade in simulated body fluids, potentially opening up applications in implantable medical electronic devices.

According to the plug-in type interface between the flexible sensor and the mobile detector provided by the invention, the trapezoidal bulge structure with specific three-dimensional geometric parameters is constructed at the tail end of the polyimide substrate, and mechanical self-locking in the plug-in process is realized through the matching of the self-locking plate at the tail part of the patch and the limiting groove of the connector; therefore, the connection stability and the anti-seismic property are effectively improved. The structure does not need an additional clamping or fixing device, is suitable for a high-density and ultra-thin wearable sensing system, has the advantages of being small in size, high in self-locking force, capable of being repeatedly plugged and unplugged, simplified in manufacturing process and the like, can remarkably reduce the contact failure risk caused by mechanical vibration, and meets the development requirements of high-reliability flexible electronic products in the future. The pluggable interface between the flexible sensor and the mobile detector is arranged between the flexible sensor and the wearable mobile detector, and is suitable for a non-invasive continuous blood glucose monitoring and wearable medical electronic system.

Provided are a rapid hemostasis balloon and a system, relating to the technical field of medical electronics. The rapid hemostasis balloon comprises a catheter assembly, a balloon assembly, and a filling distribution assembly. The balloon assembly comprises a plurality of balloons, and balloon lumens of the plurality of balloons are independent of each other. The catheter assembly comprises a plurality of balloon catheters, and the balloon catheters are arranged in one-to-one correspondence with the balloons. The filling distribution assembly is arranged between a filling device and each balloon catheter filling port and is configured to: determine a target balloon to be filled according to a received balloon filling instruction, and form an infusion passage after docking with a balloon catheter filling port corresponding to the target balloon, so as to fill the target balloon with fluid to expand the target balloon; and release the docking upon completion of fluid filling, such that a filling port control valve of the target balloon returns to a closed state. Manual operations are reduced, time is saved, and the balloon infusion efficiency is improved.

The invention discloses a surgical equipment non-contact voltage measuring system based on capacitive coupling, which belongs to the technical field of medical electronic equipment monitoring, and completes original signal acquisition in a mode of electrically connecting a PCB capacitive coupling module with a high-voltage output end of radio-frequency surgical equipment or high-frequency surgical equipment. The test capacitor integrated in the PCB capacitance coupling module is used for measuring the voltage of the to-be-measured surgical equipment to obtain a differential signal, the measurement capacitor is directly integrated in the PCB capacitance coupling module, an external sensor is not needed, the interference of the external environment on the measurement result is avoided, the accuracy of the measurement result is improved, and in addition, the measurement accuracy is improved. In addition, common-mode rejection processing of the differential amplification module is combined, more accurate differential amplification voltage signals can be obtained, measurement result data are generated after the signals are processed by the analog-digital processing module and the data processing module, data interaction is completed, the purpose of voltage measurement is achieved, and non-contact voltage measurement is achieved.

The invention relates to the technical field of medical electronic equipment control, and discloses a data consistency control method and system for a short-wave therapeutic apparatus. According to the method, target treatment parameters issued by an upper computer are received and dynamically mapped into hardware configuration parameters including oscillator control words and power amplifier bias voltage control codes. A logic verification rule is established based on circuit physical characteristics, and data logic consistency among hardware configuration parameters is ensured. After logic verification is passed, hardware configuration parameters are sent to related circuits, actual execution parameters are read in real time for consistency comparison, and parameter loading and output control are triggered only when comparison is passed. According to the invention, through triple mechanisms of dynamic mapping, logic verification and consistency comparison, the treatment accuracy and safety of the short-wave therapeutic apparatus are effectively improved.

The invention provides a wireless power supply calibration device and method for medical electronic equipment, and belongs to the technical field of medical electronic equipment, and the device comprises an in-vitro transmitting module which comprises a motor unit, a transmitting coil and a resonance circuit; the in-vivo receiving module comprises a receiving coil, a magnetic field detection unit and a microcontroller; the magnetic field detection unit is used for collecting magnetic field data of the transmitting coil; the microcontroller is used for determining the position offset of the transmitting coil and the receiving coil based on the magnetic field data; and the control module is used for receiving the position offset and controlling the motor unit to rotate based on the position offset so as to drive the transmitting coil to move through the rotation of the motor unit until the transmitting coil is aligned with the receiving coil, and is also used for controlling the resonant circuit to adjust the resonant frequency of the transmitting coil so as to enable the transmitting coil to be matched with the receiving coil. According to the invention, the problems of low energy transmission efficiency and large energy loss of the existing wireless power supply technology of the medical electronic equipment can be solved.

The application discloses a liquid metal transient circuit and a preparation method and application thereof, and belongs to the technical field of electronic circuits. The liquid metal transient circuit is constructed by printing or brushing a liquid metal slurry, wherein the liquid metal slurry is a composite material with non-Newtonian fluid properties formed by compounding liquid metal and a second phase substance; the whole or part of the transient circuit can be quickly disintegrated under the stimulation of acid, alkali, salt, water or alcohol solution. The liquid metal is selected from one to five alloys of gallium, indium, tin, zinc and bismuth, and the second phase substance is selected from aluminum, magnesium and alloy particles or degradable polymer particles. The preparation method comprises the following steps: mixing to prepare the slurry, designing the circuit structure, and printing or brushing to construct the circuit. The application has the advantages of simple construction method, low cost, circuit disintegration independent of substrate decomposition, fast response speed, and suitability for water level warning, information anti-counterfeiting and medical electronics scenes.

The present invention provides a mobile medical electronic signature system based on electronic authentication, comprising: a certificate issuance module for importing doctor user information into edge front-end internal control and synchronizing it to cloud master control; and, at the same time, issuing a user certificate based on the doctor user information according to the cloud master control and mobile client; an electronic signature module for receiving the original document to be signed based on the edge front-end internal control after the user certificate is issued, and generating data to be electronically signed based on the cloud master control; and, at the same time, executing the electronic signature based on the data to be electronically signed by the mobile client terminal; and a verification module for verifying the original document to be signed and the signature result based on the edge front-end internal control, and generating a verification result. This ensures the security, trustworthiness, reliability, and efficiency of mobile medical electronic signatures.

The application discloses a kind of hydrophilic fluorine-containing copolymer auxiliary agent, hydrophilic PVDF heat shrinkable material and its preparation method and application.The structural formula of the hydrophilic fluorine-containing copolymer auxiliary agent is as shown in formula (I).The hydrophilic fluorine-containing copolymer auxiliary agent of formula (I) can be used for hydrophilic modification to PVDF heat shrinkable material, so that PVDF heat shrinkable material obtains better hydrophilicity, and the mechanical properties and heat shrinkage performance of PVDF heat shrinkable material do not appear obvious decline, expand the application range of PVDF heat shrinkable material.Experiments prove that the PVDF heat shrinkable tube prepared by adding the hydrophilic fluorine-containing copolymer auxiliary agent of the application has good hydrophilic performance, mechanical property, heat shock resistance and heat aging resistance, and can be widely used in medical, electronic, aerospace and other fields.(I)

The invention discloses a dual-mode electrophysiology acquisition system and method for a multi-mode fingertip monitor, and belongs to the technical field of medical electronics and biological signal measurement. The system is integrated in fingerstall type wearable equipment supporting double working modes of high-fidelity recording and continuous monitoring, and is characterized by comprising at least two electrodes in contact with the skin; the high-precision bioelectricity analog front-end chip conforms to the medical standard; a low power consumption bioelectricity monitoring unit; and the channel switching circuit is controlled by the main controller. The high-precision analog front-end chip is configured to switch or perform time division multiplexing on at least one signal input channel between a first configuration for collecting electrocardiogram signals and a second configuration for collecting skin electrical activity signals by dynamically reconfiguring an internal register of the high-precision analog front-end chip; therefore, hardware-level synchronous acquisition of two kinds of bio-electricity signals in a high-fidelity recording mode is realized, and sampling of the two kinds of bio-electricity signals is based on the same main clock source. Through the architecture of dual-core isomerism, mode driving and hardware dynamic multiplexing, the contradiction between medical-level precision electrocardio / skin electricity synchronous acquisition and ultra-long endurance continuous monitoring which are simultaneously realized in micro fingerstall equipment is solved.

The application provides a high-density ultrathin flexible pressure sensor array preparation method, which comprises the following steps: preparing a porous conductive colloid with a porous structure and uniformly distributed conductive particles, wherein the components of the porous conductive colloid are carbon nanotubes and polydimethylsiloxane; using double-sided thermal release tape and water-based adhesive tape to fix a metal foil flat on a glass sheet; performing laser cutting on the metal foil to prepare an array metal electrode; using an adhesive to respectively fix the array metal electrode on the top surface and the bottom surface of the porous conductive colloid by adhesion, so that the array metal electrode is crossed in the direction of the top surface and the bottom surface and forms a 90-degree angle; dissolving the water-based adhesive tape by water flow, and then drying to obtain a high-density ultrathin flexible pressure sensor array. The application can solve the technical problem that a large-area flexible pressure sensor for wearable medical electronic products cannot simultaneously consider high sensitivity and a wide pressure detection range.

The application discloses a cloud platform information digitization monitoring system and method based on big data, relates to the technical field of medical electronic equipment management, and realizes real-time monitoring of power supply parameters, transmission of the power supply parameters to a comparative analysis module, comprehensive analysis of the power supply parameters by the comparative analysis module to generate a power supply coefficient, comparison of the power supply coefficient with a fault threshold, analysis of whether the power supply needs to be replaced, startup of any standby power supply by a power supply switching module when the analysis result is that the power supply needs to be replaced, judgment of whether the standby power supply can support operation by a monitoring module, replacement of the standby power supply by the power supply switching module to supply power to the anesthesia machine if the standby power supply can support operation, and repetition of the above steps until a standby power supply that can support operation is found. The application can replace other power supplies in time before the input power supply fails, enables the anesthesia machine to stably operate, guarantees the anesthesia safety of patients, and reduces anesthesia risks.

The invention discloses a control circuit based on timer triggering and electronic equipment, and is applied to the technical field of safety control of medical electronic equipment. The control circuit based on timer triggering comprises a timer circuit, a protection circuit, a discharging circuit and a timing charging circuit. The timer circuit controls the on or off of the infrared therapeutic apparatus according to a reset signal sent by the main control unit and a pulse signal sent by the main control unit through the protection circuit, and controls the treatment time through the discharging circuit and the timing charging circuit when the infrared therapeutic apparatus starts a treatment stage. A device for controlling the on / off of the infrared therapeutic instrument is an electronic component, so that the problem of mistaken touch easily occurring when a mechanical switch is used for power-on and power-off operation is reduced, and the reliability is improved; meanwhile, the treatment time is controlled through the discharging circuit and the timing charging circuit, so that the flexibility of the control circuit is enhanced, and the requirements of different scenes and users are met.

The invention relates to the technical field of medical electronics, and provides a control module, electrical stimulation equipment and a control method thereof, and the control module comprises a sensor assembly which is used for obtaining motion information and gravity direction information; the controller receives the motion information acquired by the sensor assembly, and triggers electrical stimulation when the gravity direction information is in a first direction range and the motion information accords with a first preset waveform; and triggering electrical stimulation when the gravity direction information is in a second direction range and the motion information accords with a second preset waveform, the first preset waveform and the second preset waveform at least meet one of the following conditions: the number of times of reciprocating motion is greater than two; the motion direction is a non-walking motion direction and the amplitude exceeds a first set threshold value; the acceleration exceeds a second set threshold value; the rotation angle exceeds a third set threshold value; comprising action combinations in at least two directions. According to the application, the inconvenience of controlling electrical stimulation by using external equipment is solved, and meanwhile, a specific triggering action is selected, so that false triggering of daily activities is avoided.

The invention relates to the technical field of medical electronics and artificial intelligence crossing, in particular to an implantable closed-loop deep brain nerve stimulation system and method with edge intelligence. The system comprises a core master control and functional circuit module, a pulse generation module, a deep brain electrode, a physiological signal acquisition module, a wireless communication module and a power management module. The core of the method is that a lightweight long-short-term memory network model is locally integrated and operated in an implantable device, electroencephalogram signals collected in real time are subjected to preprocessing and pathological state recognition, and the pathological states comprise multiple symptoms and different degrees of the symptoms; and according to the identified specific state, a corresponding electrical stimulation strategy is adaptively matched and executed to form closed-loop regulation and control. Real-time, accurate and personalized analysis of electroencephalogram signals is realized through edge intelligence, the technical problems that a traditional deep brain stimulation system depends on in-vitro equipment, response is delayed, and multiple symptoms and multiple degrees cannot be finely recognized are solved, and the effectiveness and safety of treatment are remarkably improved.

A medical event extraction method based on a generative model comprises the following steps: 1) obtaining electronic medical record text data in a database, and pre-setting entity types and event templates to be extracted; 2) in the electronic medical record text, entities and events in the medical record are marked according to the set template through a marking tool; 3) a transformer model is used as a text encoder to convert the text into a vector representation; 4) an entity is marked using a pointer network; 4) an event type is classified using a pooling layer and a linear layer; 5) a generative transformer is used to generate an event information sequence; and 6) arguments in the event information sequence are extracted, and event information is summarized. The unstructured data in the medical electronic medical record is extracted by using the joint extraction algorithm, so that structured event information is obtained, and strong help is provided for subsequent disease analysis of patients.

The invention belongs to the technical field of supercapacitors, and particularly relates to a molybdenum oxide-molybdenum disulfide poly-tannic acid electrode material and a preparation method and application thereof. Molybdenum foil is used as a current collector and an electrode, an electrochemical oxidation method and a hydrothermal method are adopted to prepare a molybdenum oxide-molybdenum disulfide electrode, a poly-tannic acid coating is deposited on the surface of the molybdenum oxide-molybdenum disulfide electrode, and the degradable molybdenum oxide-molybdenum disulfide poly-tannic acid electrode is prepared. A sandwich structure is formed by the composite material and a degradable gel electrolyte, and is packaged by a degradable packaging material, so that the degradable supercapacitor with a self-discharge suppression function is constructed. The self-discharge behavior of the super capacitor is inhibited by depositing the poly-tannic acid coating on the surface of the electrode of the super capacitor, and the poly-tannic acid coating can prevent parasitic Faraday reaction of foreign ions on the surface of the electrode and prevent charge transfer, so that the self-discharge behavior of the capacitor is inhibited; and meanwhile, the electrode, the electrolyte and the packaging material can be degraded in simulated body fluid, so that the application of the electrode, the electrolyte and the packaging material in implantable medical electronic devices is expected to be developed.

The invention relates to the technical field of BOPET (Biaxially Oriented Polyethylene Terephthalate) films, in particular to a heat-sealing BOPET film as well as a preparation method and application thereof. The method comprises the following steps: firstly, preparing a modified low-melting-point PET polyester raw material, adding 1, 2-butanediol, diethylene glycol and inorganic nanoparticles into an acid-alcohol system such as terephthalic acid, isophthalic acid and the like, and carrying out esterification, pre-polycondensation and final polycondensation to obtain the modified low-melting-point PET polyester; and respectively treating melts of the core layer, the heat-sealing layer and the anti-sticking surface layer by adopting a three-layer co-extrusion process, then converging and casting, and carrying out the steps of biaxial stretching, traction rolling and the like to obtain a finished product. According to the invention, the melting point of the polyester is effectively reduced, the flowing and dispersing performance of the polyester is improved, the problems of low sealing fastness and non-uniform heat sealing strength of the existing PET heat sealing film are solved, and the prepared film has excellent and stable heat sealing performance and can be applied to the high-end fields of packaging, daily chemicals, medical treatment and electronics.

A method for detecting, in a real-time manner, a presence or an absence of a an anomaly in or a cyber attack onto a medical apparatus comprises the steps of capturing, with an antenna, one or more emissions of electromagnetic energy from the processing devices within medical apparatus; converting, with a receiver coupled to the antenna, the one or more emissions from an analog to a digital form; generating, with a controller, a digital signal in a time domain; converting, the digital signal from the time domain to a frequency domain, the digital signal containing a signature of cross modulation products from the non-linear attachments; processing, in the frequency domain, the signature of cross modulation products to determine mixing characteristics of the cross modulation products; and detecting, based on the mixing characteristics, the absence or the presence of the anomaly or the cyber attack.