20 results about "Bed Status" patented technology

The invention discloses a sleep staging method and system. The method comprises the steps that physiological feature original signals of a target object are obtained; performing signal state detection on the physiological feature original signal; if the user leaves the bed or the signal is invalid, performing data cleaning on the sleep staging data of the day to obtain a final sleep staging result, and if the user is in the bed state and the signal is valid, performing preprocessing operation on the physiological feature original signal, and performing separation to obtain at least two physiological parameter signals related to the sleep state; performing multi-dimensional feature extraction on the physiological parameter signals to construct a target physiological feature array; based on the target physiological feature array, the target object information array and the sleep state information array, a sleep staging result corresponding to the current moment is obtained through a preset sleep staging model. According to the invention, non-inductive home monitoring can be realized by relying on non-intrusive equipment such as an intelligent mattress and an intelligent pillow in an intelligent home scene, and the signal anti-interference capability and the sleep staging accuracy are effectively improved.

The invention provides a radar-based off-bed detection method, system and product, and the method comprises the steps: carrying out the signal preprocessing of a collected radar echo signal, and obtaining a multi-dimensional echo signal containing the information of a distance dimension, a speed dimension and an angle dimension; performing target detection based on the multi-dimensional echo signal, and generating a target 2D point cloud based on a target detection result; clustering processing is carried out based on the target 2D point cloud, feature extraction is carried out based on a clustering result, and a feature vector is generated; and inputting the feature vector into a pre-trained human body in-bed state judgment model to carry out off-bed event detection. According to the off-bed detection method provided by the invention, actual image data is not needed, real-time point cloud of nursing personnel on the bed can be provided under the condition of not invading privacy, the off-bed event can be reported in time, rapid detection of the off-bed event of long-term bedridden old people can be realized, the off-bed detection response time can be effectively shortened, and the detection efficiency is improved. And the accuracy and the real-time performance of off-bed event detection are effectively improved.

The invention provides a radar-based full-time in-bed state monitoring method, system and product, and the method comprises the steps: carrying out the signal preprocessing of a collected radar echo signal, and obtaining target existence information and target physiological information; performing feature extraction on the target existence information and the target physiological information, and adaptively dividing a daytime period and a night period based on a feature extraction result; performing multi-mode sleep state staging based on the target existence information and the target physiological information in the night time period; performing daytime activity state classification based on the target existence information and the target physiological information in the daytime period; and generating a full-time in-bed state monitoring report based on the sleep state staging result and the daytime activity state classification result. According to the method provided by the invention, both long-term bedridden people and non-bedridden people can be considered, the day and night time periods are automatically switched, and the function that single radar equipment synchronously supports night sleep staging and daytime activity classification is realized.

The invention provides an intelligent bed detection method and system, relates to the technical field of medical care, and is suitable for an intelligent bed, the intelligent bed comprises a bed and a bedside guardrail, the bed is provided with a corresponding first sensor, the bedside guardrail is provided with an intelligent detector, and the intelligent detector comprises a sensor assembly. A first sensor signal collected by the first sensor and a guardrail state signal, collected by the sensor assembly, of the bedside guardrail are preprocessed to obtain first sensor information and guardrail state information; predicting a patient state of a patient corresponding to the intelligent bed through a pre-trained patient state recognition model, the first sensor information and the guardrail state information; if the patient is in the off-bed state, counting off-bed time when the patient state is in the off-bed state in real time, and detecting whether the off-bed time reaches a target off-bed time threshold value matched with the patient or not; and if yes, outputting early warning information, so that the patient state can be mastered by paying attention to the behavior actions of the patient and the use state of the sickbed, the patient safety is ensured, and the nursing quality is improved.

The invention relates to the technical field of Internet of Things and artificial intelligence, in particular to a real-time dynamic sensing method based on artificial intelligence, which comprises the following steps: S1, a multi-source data acquisition step: synchronously acquiring multi-dimensional real-time dynamic data of a user through a plurality of heterogeneous sensors deployed in a monitoring space, the sensor at least comprises a falling monitoring millimeter wave radar used for monitoring human body existence, a sign monitoring millimeter wave radar used for monitoring heart rate and breath, a sleep monitoring millimeter wave radar or an AI intelligent mattress used for monitoring on-bed / off-bed states and body positions, and an AI intelligent camera used for monitoring behaviors. According to the real-time dynamic sensing method based on artificial intelligence, false alarms possibly generated by a single sensor are effectively eliminated through multi-modal data cross validation. For example, a millimeter wave radar and an AI camera perform dual confirmation on a fall event, and the accuracy is far higher than that of a single technology.

This application discloses a bedridden patient exit warning and vital sign monitoring system based on millimeter-wave radar. The millimeter-wave radar front-end is responsible for emitting electromagnetic waves and collecting the original intermediate-frequency echo signal of the bedridden area; the signal processing module performs time-frequency transformation and clutter filtering on the original signal; the bedding feature identification module senses the bedding status of the clutter-filtered signal and outputs compensation parameters; the vital sign adaptive extraction module restores the signal based on the compensation parameters and extracts vital signs; the exit intention prediction module integrates point cloud data and vital signs to extract multi-dimensional features, predicts the exit intention through an artificial intelligence model, and triggers warnings in stages. Belonging to the field of millimeter-wave radar early warning and monitoring technology, this structure not only achieves high-precision vital sign monitoring in all seasons and under all working conditions, but also issues early warnings as early as when the patient sits up and leans forward.

A patient dashboard display selectively shows bed status data, vital signs data, and patient risk data for a number of patients in a tile format or in a table format. In the tile format, less data is shown for each patient than in the table format. A series of thumbnails corresponding to patient rooms in a unit or ward of a healthcare facility are shown on the display simultaneously with the tiles. A number of thumbnails in the series of thumbnails is greater than a number of the tiles, with each thumbnail being smaller than each tile. The tiles and thumbnails are color-coded to indicate alert status for each patient or patient room.

The application discloses a sleep staging method and system, and the method comprises the following steps: acquiring a physiological characteristic original signal of a target object; performing signal state detection on the physiological characteristic original signal; if the target object is out of bed or the signal is invalid, performing data cleaning on the sleep staging data of the day to obtain a final sleep staging result; if the target object is in bed and the signal is valid, performing a preprocessing operation on the physiological characteristic original signal to separate at least two physiological parameter signals related to sleep states; performing multi-dimensional feature extraction on the physiological parameter signals to construct a target physiological characteristic array; and obtaining a sleep staging result corresponding to a current time based on the target physiological characteristic array, a target object information array and a sleep state information array through a preset sleep staging model. The application can rely on non-invasive devices such as intelligent mattresses and intelligent pillows in the intelligent home scene to realize non-invasive home monitoring, and effectively improve the signal anti-interference capability and sleep staging accuracy.

The embodiment of the invention discloses a mattress control method and device, electronic equipment and a storage medium, a mattress is in short-distance connection with at least one intelligent equipment, and the method comprises the following steps: detecting that a target object is in a bed state; receiving target prompt information sent by target equipment in the at least one intelligent equipment, wherein the target prompt information is used for indicating a target triggering condition of the target prompt information and / or the type of the target equipment; determining the importance level of the target prompt information according to the target prompt information; determining a target vibration mode of the mattress according to the importance level of the target prompt information; and controlling the mattress to vibrate according to the target vibration mode so as to remind the target object. According to the embodiment of the invention, life inconvenience and potential safety hazards caused by the fact that the target object cannot sense the prompt information due to hearing limitation and the like can be reduced.

The invention discloses a patient and sickbed integrated operation nursing bed which is characterized in that a patient fixes the patient on a bed board (10) through tying belts (22), a supporting plate (23) is opened to be perpendicular to the bed board (10) to support the hip of the patient, a control button is operated, and when pistons of an upper hydraulic cylinder (5) and a lower hydraulic cylinder (6) push a supporting frame (14) to move leftwards till a short bed board (11) extends out of the edge of an upper flat board (2), the supporting frame (14) is opened to support the hip of the patient. The short bed board (11) rotates downwards at the position of a hinge (12), the left end of the short bed board (11) is pulled up by an elastic rope (13) towards the inclined upper portion of the right side, and when a piston of a lower hydraulic cylinder (6) moves leftwards to a limit position, a piston of an upper hydraulic cylinder (5) continues to push an upper hinge point (7) to move leftwards till a supporting frame (14) drives the bed board (10) to rotate leftwards to be perpendicular to the ground. The patient is turned to stand on the ground from lying on the sickbed and can move on the ground by unfastening the tying belts (22), and the wound of the patient cannot be dragged or squeezed.

System and method for bed occupancy monitoring. Millimeter-wave reflection radar signal received from bed in monitoring area. Reflection radar signal sampled and signal portion extracted at range of subject of bed, signal portion consisting of in-phase and quadrature signal components. Median zero- crossing (MZC) derived over selected time window from whichever signal component has larger magnitude. Bed occupancy state of bed is determined based on MZC, by comparing to a middle threshold, determining an empty bed state when MZC is above middle threshold, and determining an occupied bed state when MZC below middle threshold. Transitional occupancy state is determined by comparing MZC to a low threshold and a high threshold, determining an entering bed state when MZC below low threshold for lag period, and determining an exiting bed state when MZC above high threshold and waveform characteristic detected in a signal component or MZC exceeds high threshold for sustained period.

The utility model relates to the technical field of obstetric tables, and discloses an adjustable obstetric table with high comfort, which comprises a table body and foot pads, a hip plate is mounted on a table frame of the table body, one end of the hip plate is rotatably connected with a back plate, the bottom of the back plate is connected with two supporting rods, and the two supporting rods are connected with the foot pads. The supporting rods are connected with the bed frame in a clamped mode, the angle between the back plate and the hip plate can be adjusted, a first guardrail and a second guardrail can be connected to the bed frame in an inserted mode, the end, away from the back plate, of the hip plate is arranged to be in a concave shape, one end of a base plate of the foot pad is arranged to be in a convex shape, the base plate can be clamped with the hip plate, and at the moment, the obstetric table is in the state of an obstetric table. The device solves the problem that predelivery equipment and production equipment are different and need to be transferred, detachable guardrails and foot pad structures are arranged, and the device can be flexibly adjusted to be in an obstetric table state or a predelivery table state.

The utility model discloses a seat capable of being transformed into a bed, which comprises a seat cushion, a backrest rotatably mounted at the rear end of the seat cushion, a leg support assembled at the front end in a folding and unfolding manner, a headrest arranged at the top of the backrest, side wing accommodating grooves formed in two ends of the front side of the backrest, side wings mounted in the side wing accommodating grooves in an overturning manner, and the supporting angles of the side wings can be adjusted in a rotating manner. Armrests are rotationally arranged on the left side and the right side of the backrest and can be folded at the side parts of the backrest; and when the seat is in a bed-forming state, the backrest is backward and flat relative to the seat cushion, the leg support is forward unfolded relative to the seat cushion, the side wings are accommodated in the side wing accommodating grooves, and the armrests are accommodated at the side parts of the backrest. The automobile seat has the advantages that the automobile seat can be independently transformed into a bed by folding all the functional assemblies, the automobile seat does not need to be spliced with other seats to form the bed, the whole operation is very convenient, and meanwhile the armrests, the side wings and the leg supports integrated on the automobile seat improve the comfort experience of passengers in a seat mode.

The invention relates to the technical field of low-power-consumption detection, and discloses a low-power-consumption on-bed and off-bed detection circuit and an intelligent mattress. A passive vibration detection module without an external power supply is used for detecting a vibration signal, so that a power management module is triggered to enter a working state; the problem that in the prior art, a detection circuit continuously consumes electricity in a dormant state is solved, and dormant power consumption is effectively reduced. Meanwhile, through cooperative work of the weight detection module and the control module, the on-bed state and the off-bed state can be accurately judged, and the accuracy of state detection is improved; in addition, the circuit design does not need to introduce an extra special wake-up chip or a high-performance signal processing circuit, thereby avoiding the great increase of hardware cost, reducing the overall cost of equipment, and facilitating the large-scale deployment. Moreover, due to the characteristic of low power consumption, the endurance time of the equipment can be effectively prolonged, an effective solution is provided for the long endurance demand of the Internet of Things equipment such as an intelligent mattress, and the user experience and the market competitiveness of the equipment are improved.

The utility model relates to the field of medical instruments, in particular to an arm adjusting device in a post-operation bedridden state, which comprises an adjusting component for adjusting the lifting height of an arm, and further comprises a support frame, the support frame comprises a support seat and a telescopic rod, the fixed end of the telescopic rod is vertically mounted at the top of the support seat, and the fixed end of the telescopic rod is connected with the adjusting component. The telescopic end of the telescopic rod is detachably provided with the adjusting assembly. Universal wheels, an electric push rod and a suction cup are installed at the bottom of the supporting base, the fixed end of the electric push rod is perpendicularly installed at the bottom of the supporting base, and the suction cup is installed at the telescopic end of the electric push rod; the bottoms of the suction cups are located below or above the bottoms of the universal wheels under the action of the electric push rods. According to the device, the mode that only the supporting frame is used for supporting the adjusting assembly is selected to lift the arm of a patient according to the actual situation, or the adjusting assembly is directly placed on a bed to lift the arm of the patient; and the adjusting assembly can be conveniently moved or fixed at a certain position.

The application relates to an air bag bed self-adaptive adjustment method and device, computer equipment, a computer readable storage medium and a computer program product. The method comprises the following steps: collecting a plurality of air pressure original values of a target air bag bed, and then collecting an air pressure total sum baseline value and an air pressure total sum fluctuation amplitude value; performing state identification processing, determining off-bed state information and on-bed body movement state information, and determining a real-time body movement intensity index; performing self-adaptive adjustment judgment processing according to the collected data to obtain an adjustment judgment result; and generating an air pressure adjustment instruction to perform self-adaptive adjustment processing under the condition of self-adaptive adjustment triggering. After collecting the air pressure data of the target air bag bed, the off-bed state information and the on-bed body movement state information are identified, and then the real-time body movement intensity index is determined, so that whether the self-adaptive adjustment is triggered is determined according to the body movement size and the continuous duration, the adjustment frequency in the sleep process is effectively reduced, the sleep adjustment comfort is improved, and the sleep quality is improved.

The invention discloses a mattress system for intelligently monitoring and recording the sleep state of old people, and belongs to the field of intelligent health monitoring. The mattress system comprises a mattress, an intelligent monitoring board and a bed board; the intelligent monitoring board is designed to achieve automatic monitoring of the lying posture of the old people, multi-dimensional data such as the number of times of turning over, the sleeping posture, the on-bed and off-bed state and the sleeping duration are covered, meanwhile, by means of the alarm module and the voice module, voice reminding is conducted in time for the problems of poor sleeping quality, frequent getting up at night and the like, and the sleeping quality is improved. Alarm information can be quickly sent out for emergencies such as long-time static non-reaction; the problems that according to a traditional monitoring technology, data collection is not comprehensive, sleep problems are difficult to intervene in time, emergency response is delayed, and part of wearable equipment disturbs sleep are solved, sufficient data support is provided for sleep analysis and health judgment, early discovery and early intervention of the sleep problems and efficient rescue of emergency situations are achieved, and the sleep quality is improved. Meanwhile, the old can sleep naturally and comfortably and enjoy the monitoring service without perception.

This invention provides a bed vacancy management device, bed vacancy management method, and bed vacancy management program that enable more efficient searching of nursing care facilities where prospective residents can stay for their desired period. [Solution] The vacant bed management device includes a first acquisition unit that acquires facility information including information regarding the planned period of stay of residents currently residing in the nursing care facility, a second acquisition unit that acquires applicant information including information regarding the desired period of stay of applicants who wish to be admitted to the nursing care facility, and an output unit that outputs vacant bed information regarding the vacant bed status of the nursing care facility during the period including the desired period of stay, based on the facility information and the applicant information.

The application discloses a bed leaving bed state determination method and device, an intelligent mattress and a medium. The method is applied to the intelligent mattress and comprises the following steps: acquiring physiological parameter information corresponding to each preset area in the intelligent mattress to form a physiological parameter information group of the intelligent mattress; determining twin information and independent parameter information in the physiological parameter information group according to a preset range threshold, wherein the twin information comprises at least two pieces of physiological parameter information; and determining number information, position information of target objects on the intelligent mattress and leaving bed states of each target object according to a preset state threshold range, the twin information and the independent parameter information. Whether the physiological parameter information is similar is determined by the range threshold, the twin information and the independent parameter information are determined, and then the number of the target objects and the leaving bed states of each target object are determined. The number of the target objects on the intelligent mattress is accurately determined, and the accuracy of the leaving bed state determination is improved.

The embodiment of the invention provides a safety assisting method and device for a visually impaired user, electronic equipment and a storage medium, the safety assisting method and device are applied to an intelligent mattress, the intelligent mattress comprises a mattress body and a tactile feedback device, the tactile feedback device is arranged on the mattress body, and the tactile feedback device comprises a plurality of tactile feedback units distributed in different areas of the intelligent mattress; comprising the steps of identifying a target user demand and determining a target area corresponding to the target user demand under the condition of obtaining an off-bed instruction when a user is in a bed state; generating tactile indication information based on the spatial position of the target area relative to the intelligent mattress under the condition that at least part of the area of the body of the user is detected to keep physiological contact with the intelligent mattress; and controlling the tactile feedback device to perform tactile feedback on the target tactile feedback unit of the guide path. According to the technical scheme, the safety of the visually impaired user in daily activities in the sleep process or under the condition that a guardian is not in front is improved.