2616results about "Pressure sensors" patented technology

Various systems, devices, and methods are disclosed herein for treating acute myocardial infarction (AMI) patients using a heart pump controlled in a manner that maximizes mechanical unloading of the left ventricle in the presence of cardiovascular instability and minimizes myocardial oxygen consumption (MVO2) and consequentially infarct size to prevent the development of subsequent heart failure. In a closed feedback system, the system can include a sensor configured to generate an output used to measure or calculate a left ventricular systolic pressure (LSVP) within the left ventricle of a heart and a controller coupled to a heart pump. The controller can be configured to measure or calculate the LVSP based on the output of the sensor and to control an operation of the heart pump to maximize mechanical unloading of the left ventricle based on the measured or calculated LVSP.

A fluid management system for use in a tissue resection procedure includes a controller. An inflow pump is operated by the controller and configured to provide fluid inflow through a flow path to a site in patient's body. An outflow pump is operated by the controller and configured to provide fluid outflow through a flow path from the site in patient's body. A motor driven resecting device may be provided for resecting tissue at the site. The controller is configured to actuate an inflow pump and an outflow pump in response to various signals and various algorithms are provided to provide malfunction warnings and assure safe operation.

A wearable device consists of a smart band and a display unit. The smart band comprises a microbial biosensor, a particulate matter sensor, an enviro sensor, a physiological sensor, a biofluid sensor, a biokinetics sensor, a lifestyle sensor, and a single board computer. The microbial biosensor detects, measures, and monitors microorganisms, and a sterilizer kills pathogens. The particulate matter sensor detects, measures, and monitors a set of suspended particles in the surrounding air. The enviro sensor monitors environmental conditions surrounding the user. The biofluid sensor detects, measures, and monitors biological fluid parameters of the user. The physiological sensor detects, measures, and monitors physiological parameters of the user. The biokinetics sensor detects, measures, and monitors physical activities of the user. The lifestyle sensor detects, measures, and monitors healthy lifestyle activities of the user. The wearable device allows for continuous monitoring of user health for accurate clinical outcomes and wellness programs.

The embodiment of the invention provides a detection device, electronic equipment and a control method thereof, relates to the technical field of data detection, and aims to solve the problem that equipment with a health sign detection function is large in size. The detection device comprises a first circuit board, a light-emitting device, a photoelectric converter, a metal cover plate and a light-transmitting structure. The photoelectric converter and the light-emitting device are arranged on the same side of the first circuit board and are electrically connected with the first circuit board. The metal cover plate covers the first circuit board and is electrically connected with the first circuit board. The metal cover plate is provided with a first light through hole for exposing the light-emitting device and a second light through hole for exposing the photoelectric converter. The light-transmitting structure is filled in the first light-transmitting hole, the second light-transmitting hole and the accommodating cavity, wraps the light-emitting device and the photoelectric converter, and is connected with the light-emitting device, the photoelectric converter, the first circuit board and the metal cover plate to form an integrated structural member, so that the size of the detection device is reduced.

The invention relates to a sensor head device for a heart support system, wherein the sensor head device has at least one sensor carrying element, wherein the sensor carrying element has at least one sensor cavity for accommodating at least one sensor and / or at least one signal transmitter cavity for accommodating at least one signal transmitter.

The invention provides a muscle stimulation adjusting method and system based on gait detection. The method comprises the following steps: acquiring lower limb biomechanical data; performing phase recognition according to a dynamic programming algorithm, and constructing a pressure center track to perform feature extraction to obtain gait features; carrying out feature analysis on the gait features through a reverse dynamics model and a machine learning model, and carrying out output judgment according to a double-model collaborative decision-making mechanism to obtain a stimulation parameter decision-making result; generating an electrical stimulation waveform according to the decision result, and applying differential electrical stimulation to the target muscle in the gait cycle to obtain a stimulation scheme; and monitoring stimulated myoelectricity feedback signals and gait changes, and carrying out parameter updating by calculating a signal change rate and analyzing a motion track error to obtain an updating scheme. According to the method, through a double decision-making mechanism of the reverse dynamics model and the machine learning model and a real-time feedback regulation mechanism, the gait phase recognition precision is improved, and precise regulation and control of stimulation parameters are realized.

The invention provides a stroke patient gait walking analysis method and device. The stroke patient gait walking analysis method comprises the steps that pressure data and inertial data generated in the gait walking process of a patient are collected based on a plantar pressure sensing module and an inertial measurement module; performing data preprocessing on the pressure data and the inertial data; constructing a double-flow neural network to respectively extract pressure features and inertial features of the pressure data and the inertial data, performing feature fusion, and calculating step length, stride frequency, gait asymmetry index and gait stability index key indexes based on the fused features so as to realize gait evaluation; an evaluation result is transmitted to the flexible OLED touch screen, and gait parameters, rehabilitation progress, abnormal early warning and training guidance information are displayed in real time through the flexible OLED touch screen. According to the method, the end-to-end process from original sensor data to clinical application is realized, manual monitoring is avoided, the accuracy and clinical practicability of evaluation are improved, and the method is particularly suitable for family rehabilitation monitoring of stroke patients and precise rehabilitation evaluation of medical institutions.

The invention relates to the field of blood pressure measurement, and discloses a blood pressure measurement method and system, electronic equipment and a medium. According to the blood pressure measuring method, in the pressure boosting stage of blood pressure measurement, the real-time air pressure value of the air channel communicated with the air bag is detected, and then the air valve driving circuit is controlled according to the real-time air pressure value, for example, when the air pressure of the air bag is low, the air valve can be driven to work through small driving voltage, and when the air pressure of the air bag is high, the air valve driving circuit is controlled. Large driving voltage is adopted to drive the air valve to work. Thus, the driving voltage of the air valve is dynamically adjusted in the boosting process, compared with the mode that the air valve is driven to work by adopting fixed high driving voltage, the air valve can complete work with low power consumption under the condition that the requirement for the air leakage amount is met, and therefore the blood pressure measuring efficiency is improved by optimizing the power consumption consumed in the blood pressure measuring process every time. The overall power consumption of the blood pressure measuring system can be reduced, so that the cruising ability of the wearable device is improved, and the target of long-term blood pressure monitoring is finally achieved.

The invention relates to the technical field of medical wearable equipment monitoring control, in particular to a wearable intelligent physical sign monitoring control method. The method comprises the following steps: continuously monitoring a sitting posture pressure value of the intelligent seat; when the sitting posture pressure value is larger than a first threshold value, it is judged that the sitting posture is in a pressing state, and initial site fitting information is obtained; and obtaining a human body sitting posture form and carrying out adaptive posture adjustment on the intelligent seat according to the human body sitting posture form, so that the intelligent seat is matched with the human body sitting posture form, the initial sitting standby state reaches the optimal sitting posture form of the intelligent seat, and optimal sitting posture memory data is stored. Through a data processing technology, a real-time monitoring technology and an automatic control technology, human body sitting posture shape matching mapping is carried out on vital sign data detected by wearable intelligent sign equipment and site fitting information monitored by the intelligent seat, and self-adaptive posture adjustment is carried out on the intelligent seat; therefore, the automatic adjustment degree of the intelligent seat is improved.

Aspects of the disclosure describe an implantable system for monitoring intracranial pressure (ICP) in a subject, the system comprising: a conduit for the flow of cerebrospinal fluid (CSF); a hermetically sealed compartment; a first pressure sensor configured to measure an absolute ICP and output a measurement, wherein the first pressure sensor is hermetically sealed in the compartment, and wherein the first pressure sensor comprises a surface exposed to the CSF in the conduit; a microcontroller disposed in the hermetically sealed compartment that receives multiple inputs including at least the output of the first pressure sensor; and an accelerometer disposed in the hermetically sealed compartment for monitoring a subject's positional status, and wherein the accelerometer communicates an output to the microcontroller.

The subject invention is concerned with systems and methods advantageously applying finite element analysis to establish design rules for a highly sensitive piezo-resistive pressure sensor with an output that is high enough to be detectable by simple and inexpensive circuits and therefore ensure wearability. Four frequently reported micro-feature shapes in micro-patterned piezo-resistive sensors are provided, where the micro-dome and micro-pyramid yield the highest sensitivity. Investigations of different conductivity values of micro-patterned elastomers show that coating the elastomer with a conductive material (e.g., a metallic coating) leads to higher current response when compared to composited conductive elastomers. Advantageous geometric parameters and spatial configurations of micro-pyramid design of piezo-resistive sensors are provided. Results show that an enhanced sensitivity and higher current output can be achieved by a lower spatial density configuration of three micro-features per millimeter length, a smaller feature size of around 100 μm, and a 60-50 degrees pyramid angle.

A pressure monitor device includes a console having a display monitor and a plurality of input and output ports. An extension cable includes a distal end having a connector that connects to at least one of the plurality of input and output ports formed on the console, and a proximal end having a junction. A sensor mechanism includes a sensor mechanism reference cable for coupling the sensor mechanism to the junction of the extension cable. An electrical reference system includes a reference electrode and a patient reference cable having a proximal end communicatively coupled to the extension cable and a distal end communicatively coupled to the reference electrode. The reference electrode establishes a reference electrical potential of an external environment to electrically equilibrate the pressure monitor device.

A sensing unit is configured to generate pressure readings from a phenomena within a sleep environment and to generate temperature readings from a sensed temperature. A processing unit is configured to select a thermoregulation adjustment and to alter a thermal property of a sleep environment based on the selected thermoregulation adjustment.

Disclosed is an anti-snoring pillow, including a pillow bottom plate, a sleeping posture sensor is fixedly connected to a lower surface of the pillow bottom plate, and a sleeping posture airbag and a main control box are fixedly connected to an upper surface of the pillow bottom plate, wherein a head position sensor is fixedly connected to an upper surface of the sleeping posture airbag, an anti-snoring airbag is fixedly connected to an upper surface of the head position sensor, and the main control box is in communication connection with an air pump box, the air pump box is connected to the sleeping posture airbag and the anti-snoring airbag through pipelines, and wherein the sleeping posture sensor and the head position sensor are in communication connection with the main control box, and a pillow supporting cotton is provided on the upper surface of the pillow bottom plate.

The invention discloses an intelligent ring with a physiological feature detection function and a physiological feature detection method. The smart ring comprises a pressure detector and an arithmetic processor. The pressure detector is used for detecting the value of pressure applied to the smart ring by the target object. The arithmetic processor is electrically connected with the pressure detector and used for comparing the pressure value with a preset condition and judging the behavior of the target object according to the comparison result of the pressure value and the preset condition so as to generate a corresponding operation instruction. The smart ring not only can utilize the pressure detector to correct the detection result of the light volume change tracing detector, but also can utilize the pressure detector to detect the degree of tightness, gestures or finger actions when a user wears the smart ring, and has diversified application changes.

Medical systems, devices, and methods for determining whether a blood vessel is a vein or an artery. The system includes an optical fiber configured for insertion into a blood vessel coupled with a console having a light source, an optical receiver, processors, and logic stored in memory. The optical fiber includes sensors disposed along its length configured to determine a state or condition of the optical fiber. The state or condition can include a strain, movement, pressure, and / or temperature. The logic is configured to analyze reflected signals from the sensors to determine whether the optical fiber is inserted within an artery or within a vein. The logic may also determine a red-blue shift of a projected light to determine a blood flow direction with respect to the optical fiber.

Systems, methods, and storage media for robot-assisted laser osteotomy are disclosed. Exemplary implementations may: receive osteotomy data obtained in connection with robot-assisted laser osteotomy; analyse the osteotomy data to determine one or more attributes associated with osteotomy; and determine, based on the one or more attributes, one or more functions associated with osteotomy.

The invention relates to the technical field of blood pressure measurement, and discloses a blood pressure measurement device and method with Korotkoff sound recognition and playback functions, and the blood pressure measurement device comprises an air pressure sensor, a vibration sensor and a control module; the air pressure sensor is used for collecting a pressure analog signal, and the pressure analog signal is used for representing the air pressure in the air bag; the vibration sensor is used for collecting brachial artery pulse signals; the control module is used for controlling the air pressure in the air bag, identifying Korotkoff sound from brachial artery pulse signals and obtaining systolic pressure data and diastolic pressure data according to the Korotkoff sound and the air pressure, and the control module is further used for responding to playback operation to play back the air bag depressurization process and the process from appearance of the Korotkoff sound to the end and displaying the blood pressure value. And the user can conveniently analyze the Korotkoff sound to verify the accuracy of the blood pressure measurement result.

The present disclosure broadly provides applications of communication at ultrasound frequencies to establish transcutaneous data communication between medical devices located on and / or within a body of a patient, including inter alia: features for adjustable implants including data communication, hermetic containment, and torque amplification features.

A system configured to monitor and characterize motions of a user is disclosed herein. The system can include a wearable article including a tubular body comprising a resilient material, a flexible circuit including a fluid-phase conductor configured to generate a first signal, and an inertial measurement unit (“IMU”) coupled to the resilient material, wherein the IMU is configured to generate a second signal. The system can further include a processor communicably coupled to the flexible circuit and the IMU.

A system and method for measuring blood pressure. In some embodiments, a system includes a speckleplethysmography sensor and a processing circuit. The system may be configured: to perform, using the speckleplethysmography sensor, blood flow measurements of a subject, and measurements of cuff pressure of a cuff worn by the subject, while the cuff pressure varies; and to calculate, from the blood flow measurements and the cuff pressure measurements, a first blood pressure.

A device for providing a passage between a first and second heart chamber is provided. The device includes a middle region having first and second ends, a lumen extending therethrough having a longitudinal axis, a first end region coupled to the first end, and a second end region coupled to the second end. The first end region may be delivered in the first heart chamber in a compressed state and transitioned to a deployed state, the first end region being deformable such that portions of the first end region are expandable to different angles relative to the longitudinal axis. The second end region may be delivered in the second heart chamber in a compressed state and transitioned to a deployed state therein, the second end region being deformable such that portions of the second end region are expandable to different angles relative to the longitudinal axis.

The invention provides an intelligent pillow control method and system, and belongs to the technical field of intelligent control. The method comprises the steps that an FPGA obtains a user sleeping posture data set collected by a pressure sensor array; and determining a current sleep stage based on the user sleep posture data set and a pre-trained sleep stage recognition model. According to the user sleeping posture data set, the historical sleeping posture data set and a preset cervical vertebra supporting curve, a first correction target parameter matrix corresponding to the current cervical vertebra curvature deviation value of the user is determined; wherein the first correction target parameter matrix comprises first correction target parameters corresponding to air bags in different areas of the intelligent pillow; the first correction target parameter is the airbag pressure adjustment amount dynamically constrained by the receptor dynamic frequency; and based on the current sleep stage and the first correction target parameter matrix, determining a corresponding airbag adjustment parameter group, operating an airbag driving module according to the airbag adjustment parameter group, performing airbag pressure adjustment, and updating the first correction target parameter matrix according to the real-time body movement frequency.

The invention provides a health monitoring module and electronic equipment. The health monitoring module comprises a shell, an optical heart rate module, a circuit board and a light transmitting part, the shell is fixed to one side of the circuit board, and the shell and the circuit board jointly define a containing space. The shell comprises a conductive part made of conductive materials, one part of the conductive part is exposed out of the top face of the shell, and the other part of the conductive part is electrically connected with the circuit board. The optical heart rate module is located in the containing space, the optical heart rate module is fixed to the circuit board and electrically connected with the circuit board, the optical heart rate module and the light hole are oppositely arranged, and the optical heart rate module emits and receives light through the light hole and the light transmitting piece. The optical heart rate module can be used for acquiring PPG signals of a user. The conductive part can be used for collecting electric signals of a user. And the ECG signal of the user can be obtained after the electric signal is processed. Devices for measuring ECG signals and PPG signals are integrated in one module, so that the module can realize multiple functions in a small size.

The invention relates to the technical field of electronic equipment, and provides a pressure detection device and electronic equipment. The pressure detection device comprises a plurality of pressure sensors; the flexible supporting layer comprises a first surface and a second surface which are oppositely arranged in the first direction; the plurality of pressure sensors are attached to the first surface of the flexible supporting layer at intervals, and the plurality of pressure sensors are mechanically connected at least through the flexible supporting layer; the one or more rigid sheets are attached to the second surface of the flexible supporting layer; wherein each rigid sheet in the one or more rigid sheets corresponds to part of the pressure sensors, and the projection of each rigid sheet in the first direction covers the projection of the pressure sensor corresponding to the rigid sheet in the first direction. Through the arrangement of the flexible supporting layer, the flexible packaging layer and the reinforcing layer, the pressure detection precision can be improved.

The embodiment of the invention provides a detection module and electronic equipment. The detection module comprises a pressurizing piece and a film sensor. And the pressurizing piece is used for applying pressure to the measuring part. The film sensor is used for measuring a pulse wave signal of the measuring part and is arranged between the pressurizing piece and the measuring part. According to the detection module and the electronic equipment provided by the embodiment of the invention, the difficulty of miniaturization of the electronic equipment can be reduced.

The invention discloses a child height measuring device, method and device, a storage medium and a computer program, and relates to the technical field of child height measurement. And obtaining target height information, relative height information and pressure information at a plurality of measurement moments. According to the numerical values of the multiple pieces of pressure information at the multiple measurement moments, in multiple pieces of pressure information corresponding to two adjacent measurement moments before and after, according to a time sequence, determining the pressure information of which the numerical values are at least reduced by a preset tiptoeing parameter as first change pressure information. And determining a measurement moment corresponding to the first change pressure information as an error moment. And determining the height data of the measured child according to the target height information and the relative height information corresponding to the measurement moments except the error moment. Therefore, based on the multiple pieces of pressure information collected at the multiple measurement moments, the data collected when the measured child stands on tiptoe and moves are determined and eliminated, and the height measurement accuracy is improved.

A device for measuring intraurethral pressure comprises an elongate tube having at least first and second balloons on the elongate tube, one or more channels positioned within a lumen of the tube having at least first, second and third channels creating drain and balloon channels, and one or more sensors fluidly connected to the second balloon. In some embodiments, a fourth channel also extends to the second balloon. In some embodiments, the tube comprises a plurality of balloons positioned along its length. In some embodiments, the device can measure urethral pressure and / or bladder pressure. Also described is a method of measuring intraurethral pressure using the disclosed device.

Disclosed herein are systems and methods for evaluating implant condition and associated patient condition. A method for determining an implant condition can include the steps of receiving implant vibration data from an implant coupled to a bone of a patient, receiving patient reported data from the patient, and generating an implant loosening score from the implant vibration data and the patient reported data. The implant vibration data can be generated by a sensor associated with the implant. The implant loosening score can be related to movement of implant with respect to the bone.

The invention discloses a medical laser apparatus, an endoscope controller, and a medical system. The medical laser apparatus includes: an energy guide; a first energy source configured to generate energy for treating the target tissue through the energy guide; a light source having at least two illumination modes for providing illumination to the target tissue; a second energy source, different from the light source, configured to emit a first aiming beam and a second aiming beam through the energy guide towards the target tissue, the second aiming beam having at least one characteristic different from the first aiming beam; and a controller comprising hardware, the controller configured to: receive a signal indicative of an illumination mode of the at least two illumination modes that currently illuminates the target tissue; selecting an aiming beam from the first aiming beam and the second aiming beam based on a current illumination mode for illuminating the target tissue; and controlling the second energy source to emit the selected aiming beam to the target tissue.