148 results about "Medical electronics" patented technology

An implantable cardiac stimulation lead system for use with an implantable stimulation device includes at least a pair of conductors, braided together and extending between proximal and distal ends and co-extruded with flexible resilient insulation material. Each conductor may be a multi-strand cable composed of MP35N or DFT and have its outer peripheral surfaces coated with insulative material. An electrical connector is coupled to the proximal end of the lead system for connection with a stimulation device and includes terminals electrically connected to the conductors. The proximal connector is thereby electrically coupled to a distal tip electrode and to at least one electrode proximally spaced from the distal tip electrode. The lead system may include an elongated tubular lead body of flexible resilient insulative material having a longitudinally extending lumen for receiving a stylet for aid in implanting the lead system. Alternatively, an introducer sheath may be employed for implantation.

A wireless modular, multi-modal, multi-node patch platform is described. The platform preferably comprises low-cost semi-disposable patch design aiming at unobtrusive ambulatory monitoring of multiple physiological parameters. Owing to its modular design it can be interfaced with various low-power RF communication and data storage technologies, while the data fusion of multi-modal and multi-node features facilitates measurement of several bio-signals from multiple on-body locations for robust feature extraction. Exemplary results of the patch platform are presented which illustrate the capability to extract respiration rate from three different independent metrics, which combined together can give a more robust estimate of the actual respiratory rate.

An implantable medical device includes an impulse generator having a header and a contact assembly which includes at least one molded plastic housing having two halves joined together with the halves defining a bore therethrough. A canted coil spring is disposed within the housing halves along a bore circumference and includes a weld plate which extends to an exterior of the housing halves. A weld plate overlays the housing halves exterior which is joined to both the spring lead and devices wires.

The invention discloses a blockchain-based medical electronic medical record distributed management system and a construction method thereof. According to the blockchain-based medical electronic medical record distributed management system and the construction method thereof, the diagnosis processes of patients, such as medical records and prescriptions, are written into a blockchain in the form of smart contracts, so that a relevant hospital does not need to rely on a centralized server to manage the medical record information of the patients, and single-point failures common to the centralized server can be avoided; the data stored in the blockchain cannot be tempered and are traceable, and therefore, illegal tampering can be prevented; and a series of information such as the physical health, medical histories, and personal data of the patients, which concern personal privacy, can be effectively protected through an ABE encryption algorithm. With the system and method of the invention adopted, data loss caused by the single-point failures can be avoided, system maintenance cost can be decreased, and a condition that the diagnosis records of the patients are falsified during medical disputes can be avoided.

The invention belongs to the field of electronic medical instruments, and discloses a portable remote health monitoring system and an implementation method. The system comprises a portable remote monitor and a monitoring center server of a medical monitoring center. The portable remote monitor can monitor basic physiological parameters of a user, can judge whether the user falls over, and has wireless communication and geo-location functions; monitoring results are uploaded to the monitoring center server through a GPRS (general packet radio service) or CDMA (code division multiple access) wireless network and an Internet network, or are sent to a preset mobile phone number in a massage manner; the monitoring center server and a monitoring center PC terminal perform data communication through a local area network, and a medical worker of the monitoring center can monitor the health condition of the user; and a user family PC terminal accesses the monitoring center server and checks the physiological parameters and geographical location information of the user through the Internet network, so that the user can be remotely monitored, and requirements for family telemedicine and first aids are met.

An electrical conductive path for medical electronic device generally includes a plurality of stackable molded non-conductive housing with each housing having a bore therethrough alignable with adjacent housing bores. The adjacent housings and define any combination when stacked, spaced apart slots for receiving a plurality of electrically conductive spring rings. A plurality of electrically conducting garter springs are disposed within corresponding spring rings and a cable is provided including wires attached to corresponding spring rings.

The invention belongs to the field of medical electronic instruments, and relates to a remote electrocardiogram detection system based on an intelligent mobile phone and other mobile platforms and used for detection, storage, analysis and transmission of body electrocardiogram signals. A portable remote electrocardiogram detection system based on a mobile platform comprises an electrocardiogram collecting module, the mobile platform, a remote server and a doctor end computer, wherein the electrocardiogram collecting module collects electrocardiogram information, the electrocardiogram information is transmitted to the mobile platform through an audio port after being digitalized, and the mobile platform analyzes, stores, relays and uploads electrocardiogram data in real time; the mobile platform transmits the electrocardiogram data to the remote server through a mobile communication network; a doctor obtains the electrocardiogram data on the server, analyzes and diagnoses the data, and communicates with a patient. The system provides position information to facilitate first-aid according to user information of the mobile platform and GPS data. The electrocardiogram detection system can be independently used on the basis of the mobile platform and can also serve as a terminal of a mobile remote electrocardiogram monitoring system, and is convenient to carry and use.

The invention discloses a light-load transient enhanced circuit and a low-voltage-difference linear voltage stabilizer integrated with the circuit. The light-load transient enhanced circuit comprises a dynamic bias voltage generation circuit, a load current control switch, a voltage stabilizing capacitor, a discharging circuit and an output circuit; when the light-load transient enhanced circuit has a light load, no static current is consumed; when the low-voltage-difference linear voltage stabilizer is switched to the light load from a heavy load, gradually-reduced load current is provided by the light-load transient enhanced circuit, and the establishing time of the low-voltage-difference linear voltage stabilizer is greatly shortened, so that the problem that the establishing time for switching the current low-voltage-difference linear voltage stabilizer from the heavy load to the light load is too long is solved; secondly, extra auxiliary circuits are not needed so that the structure is simple and the transient response performance of the low-voltage-difference linear voltage stabilizer can be enhanced when the load is light, and furthermore, the light-load transient enhanced circuit can be applicable to ultralow-power-consumption medical electronics application.

Battery-operated device, having an electrically operated functional unit and an electrochemical voltage source, which are housed together in an essentially gas-tight device housing, the electrochemical voltage source having an electrolyte based on an ionic liquid and a coating-free plastic battery housing.

The invention belongs to the technical field of medical electronics and particularly relates to an output stage circuit for a cardiac defibrillator and a diphase sawtooth square wave high-voltage discharge method based on the output stage circuit. The output stage circuit consists of an energy storage capacitor, an inductance coil, a semiconductor diode, a current sensor and four control switches, wherein the four control switches form an H bridge type discharge circuit. According to the high-voltage discharge method, electrical energy in the energy storage capacitor conducts a rapid high-voltage shock discharge on a patient in a diphase sawtooth wave pulse form through a defibrillation electrode so as to terminate ventricular fibrillation in a body, and conduct a timely rescue for the patient via the defibrillator output stage with the H bridge circuit according to a preset switch combination of the bridge circuit and a control strategy. The high-voltage defibrillation discharge in a diphase sawtooth square wave form provides the patient with the individual and accurately controlled defibrillation electrical energy, the success rate of the synchronization defibrillation of myocardial cells throughout a ventricle is increased, and injuries to myocardia in a high-voltage defibrillation process are reduced.

The present invention belongs to the field of medical electronics, and is especially system and method for separating binocular vision evoked potentials (VEP). The system includes one binocular vision separating device and one multi-focus vision electrophysiological system with double figure stimulator. The double figure stimulator stimulates both the right and the left eyes through the binocular vision separating device to generate mixed electrophysiological signal, which is extracted with the electrodes, amplified with the biosignal amplifier and converted in the data acquisition unit into digital signal fed to the computer for analysis and treatment. By means of fast M conversion, are realized the separation of the VEP in different areas, the separation of the binocular VEP and the design of competitive inhibition ratio index for the diagnosis of monocular amblyopia. The present invention is used in the early diagnosis and curative effect evaluation of monocular amblyopia.

Disclosed herein is a method and system for integrating and controlling multiple medical electronic devices. A medical communication system is provided for communicating with and controlling the medical electronic devices. A communication link is established between the medical communication system and the medical electronic devices. The medical communication system selects one or more medical electronic device based on diagnostic requirements. The selected medical electronic devices are configured using a set of configuration parameters. The medical data is then captured by the medical electronic devices. The captured medical data is transferred to the medical communication system via the communication link. The medical communication system stores the transferred medical data for medical diagnosis. A medical report may be generated based on the medical data received. The concerned doctor, physician, or caretaker may be notified about the availability of the medical data and the generated medical report.

The invention discloses a silicon-based microdisplay module group. The module group comprises a silicon-based microdisplay (101) and a scanning control circuit (102). The silicon-based microdisplay (101) is made on a monocrystalline silicon substrate. Each pixel only has bright and dark states. Through a digital pulse width, a gray scale of the pixel is modulated. The scanning control circuit (102) receives external input pixel data (110) through an external data interface (201) and outputs a bit data flow (111) through an internal data interface (202) according to a sequence of bit planes. The module group integrates luminescent devices on a monocrystalline silicon chip. A total number of system chips can be reduced so as to decrease system cost and power consumption. A product size is reduced and a wide application prospect is possessed. The module group can be applied to fields of head-mounted display, a portable computer, virtual reality display, medical electronics, military electronics and the like.

The invention relates to a medical electronic equipment switching power supply fault diagnosis method based on multi-dimensional feature fusion, and belongs to the field of medical electronic equipment fault diagnosis. The method comprises the steps of acquiring electric signal data of a plurality of key test points of the medical electronic equipment switching power supply in different fault states by using a multi-channel data acquisition card; respectively extracting different features of a spatial dimension and a time dimension by utilizing a one-dimensional convolutional neural network and a bidirectional long-short-term memory network, fusing the features of different dimensions in an equal-proportion feature graph addition mode, establishing a multi-dimensional feature fusion faultdiagnosis model, and finally optimizing model parameters by using an Adam algorithm to realize intelligent drawing-free chip-level fault diagnosis of the medical electronic equipment switching power supply. According to the invention, the one-sidedness of a fault diagnosis result caused by a single feature is effectively overcome, various common fault types of the switching power supply can be accurately identified, and the accuracy is superior to that of a fault diagnosis method based on the single feature.

The invention discloses an automatic transfusion monitoring warning system. Medicine personnel can monitor the transfusion states of a plurality of patients in a remote way in a nurse station, and in addition, the warning is given on a display screen during the patient transfusion completion. The transfusion monitoring warning system has the advantages that the warning effect is good, an electronic detection device does not need to be soaked into medicine liquid and is directly clamped onto a transfusion tube, the use is convenient, the design is ingenious, the implementation is easy, the technological content is high, an antitheft function is realized, the labor cost of medical personnel is saved, the unnecessary patient blood return, blood coagulation and tube blockage can be avoided, the circuit installation is not needed by the system, the system is directly used and independently operates, and the touch with other medical facilities is not needed. The system can also be used as a component to be integrated onto the existing circuit of the hospital, and the transfusion monitoring warning system is applicable to medical electronic product industry.

The present invention relates to the technical field of medical electronics, in which medical devices, such as electronic sphygmomanometers and blood oxygen monitors, need to extract and analyze human pulse signals, and particularly relates to a digital filter method and a digital filter that extract human pulse signals. The digital filter method can be applied to various digital medical devices. Provided in the scheme are a digital filter method and a digital filter, which provide a method that is simple and easy to implement and determination criteria for near-zero-hertz interference caused by a variety of interference sources, so that an extracted pulse wave spectrum is as clean as possible. The digital filter implemented by using the digital filter method can be used to separate a direct current component and an alternating current component from a signal output by a sensor, and extract a required pulse signal. The PCB circuit is simplified, interference and costs are reduced, and meanwhile the problem of a long delay in an analog filter is overcome. In the day of downsized high performance MCU chips, the digital filter method is especially applicable to mini wearable devices and is also applicable to general medical electronic devices.

An implantable medical electronic tissue stimulating device is formed of two hermetically sealed, fluid impervious housings, one containing an electronic pulse generator and the other a battery power supply. The two are adapted to be mechanically and electrically coupled together through a coupler / connector whereby current from the battery in one sealed housing is fed to the electronic pulse generator in the other sealed housing.

An active medical implant, in particular a medical electronic device having a power supply which has a mechanical vibrator or rotor which is induced to vibrate and / or rotate by movements of the patient wearing the implant and / or external excitation and is energetically connected to an electronic consumer and / or an energy storage mechanism, such that a portion of the kinetic energy generated by the vibration and / or rotation is input into the consumer and / or energy storage mechanism.

The invention relates to an apparatus for diagnosing the function of endothelial cells of the blood vessels, belonging to the medical electronic apparatus. The apparatus for diagnosing the function of endothelial cells of the blood vessels comprises a peripheral circulation detection system, an automatically controlled pressurizing system, a man-apparatus interface, an embedded hardware circuit, a software algorithm module and the like which can be assembled together to form the vertical apparatus. The apparatus is used for testing the function of endothelial cells of the vessel by observing the fluctuation of the blood vessels and the blood flow of the fingertips, applying compression pressure to the blood vessels of the fingertips, observing the change of the functions of the peripheral tension which is generated after the additional compression pressure is released, obtaining the complex change of the blood flow waveforms and the specific capacity, and describing the change of the blood vessels expansion which is generated after the additional compression pressure is released according to the change of the chaotic attractors with phase spaces, wherein the chaotic attractors with phase spaces can be used for deriving the intrinsic characteristic ratio so as to obtain the change rate of an intrinsic axis for contrasting the scales of the chaotic attractors in the phase spaces and the change rate of various chaotic invariants. The % FMD can be obtained according to the change rate of the intrinsic axis and can be well combined with the function of endothelial cells of the blood vessels so as to assess and diagnose the function of the endothelial cells of the blood vessels.

The invention is suitable for the field of biological medical electronics, and provides a sample absorption detection method and device and a blood treating device. The sample absorption detection method comprises the following steps of: A, detecting change conditions of a front pipeline light transmittance and a rear pipeline light transmittance of a shear valve in the whole sample absorbing process of a blood analyzer; and B, judging whether the blood analyzer absorbs a sample successfully according to the detected change conditions of the front pipeline light transmittance and the rear pipeline light transmittance of the shear valve in the whole sample absorbing process of the blood analyzer. In the embodiment of the invention, whether the blood analyzer absorbs the sample successfully is judged according to the detected change conditions of the front pipeline light transmittance and the rear pipeline light transmittance of the shear valve in the whole sample absorbing process of the blood analyzer, a blood sample absorption detection method is realized, the condition of discontinuous blood samples in a quantitative pipeline of the shear valve can be avoided being erroneously judged as the success sample absorption, and the accuracy rate of sample absorption detection of the blood analyzer is increased.

The invention discloses a processing method and apparatus for characteristic attributes with privacy protection. In order to efficiently process the characteristic attributes of a large number of users, the processing method and apparatus for characteristic attributes with privacy protection divide the large number of users according to communities, and gateways have a secondary structure, and each community is corresponding to one primary gateway, and all the primary gateways are corresponding to one secondary gateway. The processing method for characteristic attributes with privacy protection includes 5 steps: system initialization, ciphertext generation for a user characteristic attribute set, ciphertext calculation for users of single community with privacy protection, ciphertext calculation for the large number of users with privacy protection, and statistical result acquisition for characteristic attributes of the large number of users. The processing method and apparatus for characteristic attributes with privacy protection can realize statistical analysis of the characteristic attributes of the number of users while ensuring that the user characteristic attribute set is notleaked, thus having the advantages of being high in practicability, and providing powerful technical support for situation analysis ad strategy making for the industries, such as e-commerce, electronic medical, e-government, public sentiment management, and insurance.

The invention relates to the technical field of medical electronics and in particular relates to a medical wristband with a self-compensation function and capable of offsetting blood oxygen measurement interference due to movements of a user when the user wears the wristband. Movement compensation is realized via gravitational acceleration, and interference factors produced during the daily use ofthe wristband can be eliminated; accurate and reliable blood oxygen saturation measurement can be achieved; a boss, mounted on the bottom of a wristband body, is keen to skin, so a temperature sensor, a photosensitive sensor and a light source projection window can be well applied to the wrist skin, and position of the wristband during the movement of the user can be positioned; and relative displacement between the temperature sensor and the photosensitive sensor and the wrist skin can be prevented, so measurement error during the movement can be reduced or eliminated.

The invention discloses an electronic medical record system. A hospitalization record, a progress note, quality monitoring, inspection application, diagnosis and treatment application, and an informed file are completed according to disease course information; a disease course file is completed through the hospitalization record and the progress note; inspection of an application form is completed through the inspection application; an application form of diagnosis and treatment is completed through the diagnosis and treatment application; an informed written consent is completed through the informed file. By adopting the electronic medical record system disclosed by the invention, the work efficiency and the medical quality of a hospital are greatly improved; complete and real-time patient information access is provided for medical workers at any time and any place; improvement of the medical quality is facilitated; the frequency of medical errors can be effectively reduced by combining with application of a medical knowledge base through methods such as inspection, warning, prompting; the work procedure inside the hospital is optimized and the work efficiency is improved by electronic information transmission and sharing.

The invention discloses a three-part five-dimensional digital pulse condition sensor, belonging to the field of medical electronics. The technical scheme adopted by the invention is as follows: three sensing heads respectively collect the pulse condition information of three transverse parts of feet, close and inch as well as 36 longitudinal paths, and transmit the pulse condition information to a signal selecting and amplifying module; the signal selecting and amplifying module selects, filters, regulates and amplifies the pulse condition information transmitted by the sensing heads, amplifies pulse-taking pressure information transmitted by a hydraulic drive module and then transmits the processed information to an A / D switching control module; the A / D switching control module carries out digital storage of simulated pulse condition information and the simulated pulse-taking pressure information of each part, combines the simulated pulse condition information and the simulated pulse-taking pressure information with the pulse condition information and then transmits to a data transmission module; the data transmission module sends the transmitted pulse data to an upper computer through a serial port; and a master control module interprets the commands of the upper computer, coordinates other modules, and realizes finger flexibility pulse-taking through simulation by utilizing the hydraulic drive module. The invention can effectively solve the defects of the existing pulse condition sensor, and realizes synchronous collection, digitalization and transmission of three parts of feet, close and inch as well as five-dimensional pulse condition information of transverse pulse conditions, longitudinal pulse conditions, pulse condition strength, pulse-taking pressure, pulse condition time and the like.

The invention discloses a wisdom medical platform for preventing gastroesophageal reflux and a realization method for the platform. The platform comprises a wearable monitoring terminal, a wireless transmission module and a wisdom medical monitoring software system, wherein the wearable monitoring terminal and the wisdom medical monitoring software system are both connected with the wireless transmission module; an airbag is mounted on the outer side wall of a stomach tube; and a pressure pump is mounted outside the stomach tube and connected with the airbag. Family members of patients or medical monitoring personnel are notified in first time after the gastroesophageal reflux occurs through the wisdom medical monitoring software system, so that the real-time property is good, and higher safety and high efficiency are achieved; and a home, community and hospital integrated remote monitoring system is constructed based on a PC end, a cloud end and a mobile terminal, so that the patients or old people can be remotely monitored, more dysphagia patients or more nasal feeding old people can safely return to the society to perform community or home health care, the hospitalization time is shortened, and medical resources are saved. The platform can be widely applied to the field of medical electronics.

The invention discloses a blockchain-based medical electronic medical record distributed management system, and the system comprises a storage and access management module; the storage and access management module comprises an IPFS-based cloud storage system, an access front end communicating with the IPFS cloud storage system, a local encryption storage system which is used for mutual encryption backup of the IPFS cloud storage system and the access front end, and a blockchain network which is used for recording the interaction process of the access front end and the IPFS cloud storage system and managing key node information of the IPFS cloud storage system. According to the medical electronic medical record distributed management system based on the blockchain and the preparation method thereof, local encrypted backup of the medical record can be realized, the encrypted backup is subjected to double encryption through a medical institution and an IPFS management gateway, a private key is stored by a patient himself / herself, and tamper-proof local data backup is realized; the whole medical record access process is recorded, the access authority is set based on the attribute level relation during medical record access, and the data structure on the whole chain is simple.