269 results about "Intensive care unit" patented technology

The invention relates to the technical field of biomedicine, in particular to an internet-of-things-based digitized management method for graded nursing of an intensive care unit. The method comprises the following steps that heterogeneous data of a patient are collected in real time through nursing monitoring equipment, and a principle physiological data flow is obtained; performing comprehensive physiological index calculation on the principle physiological data flow to obtain a comprehensive physiological index; carrying out individualized physiological index prediction according to the comprehensive physiological index, and carrying out patient condition deterioration probability prediction to obtain condition deterioration probability data; performing nursing level demand prediction according to the individualized physiological index prediction result to obtain nursing level demand probability data; and performing illness state trend prediction vector generation on the illness state deterioration probability data and the nursing level demand probability data to obtain an illness state trend prediction vector. According to the invention, through more accurate illness state trend prediction and graded early warning, medical workers are better assisted to carry out graded nursing on patients, and the management level of an intensive care unit is improved.

The invention discloses a multi-modal data fusion-based intelligent management system for a thoracic surgery monitoring unit, belongs to the technical field of medical information and artificial intelligence, and aims to solve the limitation of an existing thoracic surgery monitoring system in the aspects of multi-modal data fusion, heterogeneous data semantic alignment and intelligent deep analysis and prediction decision. The system is characterized by comprising a multi-modal data acquisition unit, a heterogeneous data fusion and semantic alignment module, an intelligent analysis and prediction decision module, a man-machine interaction and visual presentation module and a secure storage and management module. By the adoption of the technical scheme, comprehensive multi-modal data fusion, high real-time performance, deep intelligent analysis and prospective prediction can be achieved, intelligent decision support, resource optimization, continuous learning and self-adaptive optimization are provided, and the intelligent level and patient management efficiency of the thoracic surgery intensive care unit are remarkably improved.

The invention discloses a prone position ARDS patient death risk prediction system based on interpretable machine learning, which constructs an interpretable machine learning prediction model based on clinical data of an ARDS patient before the ARDS patient receives prone position ventilation treatment, and is used for identifying high-death-risk crowds in an ICU (Intensive Care Unit). According to the method, an optimal prediction model is determined by performing preprocessing and correlation and collinearity screening on original variables, selecting key features by adopting Lasso regression and combining multi-model training and cross validation. On the basis, an SHAP method is introduced to explain a model decision basis, a column graph is constructed, visual expression of a risk assessment result is realized, and clinical understandability and practicability of the model are improved, so that auxiliary support is provided for precise treatment and resource allocation.

The invention relates to the technical field of image segmentation, in particular to an intensive care unit video image processing method based on image semantic segmentation, which comprises the following steps of: acquiring a video image through monitoring camera shooting, dividing a semantic region, calculating a pixel displacement direction of each part, identifying an abnormal track, erasing interference, recombining a boundary contour, and comparing shape change. And constructing a trend and re-drawing a structure, evaluating stability in combination with directions, speeds and amplitudes, screening and correcting inconsistent labels, and outputting an index result. According to the method, track features are constructed by introducing pixel direction coding, a deviation region is identified and interference is eliminated in combination with a direction change trend, an edge structure is reconstructed by using a boundary connection sequence and curve fitting, contour division is optimized through deformation direction consistency, and labels are corrected by synthesizing direction change and boundary speed. Dynamic tracking and accurate labeling of the patient state are achieved, the abnormal action recognition efficiency and the label updating accuracy are improved, and the time sequence integrity and the space expression ability of image data are enhanced.

The invention relates to the technical field of medical informatization, and provides an information digital management system and method based on an intensive care medicine department, and the system comprises a data collection module, a data processing module, and a visualization and alarm module. The data acquisition module obtains a patient monitoring data set, and each patient corresponds to a monitoring data sequence. The data processing module executes the following operations on each patient: determining a target monitoring data sequence and four associated monitoring periods including a first monitoring period, a second monitoring period, a third monitoring period and a fourth monitoring period group, and generating a corresponding monitoring subset; generating an early warning signal through a disease deterioration early warning model; and if the signal is abnormal, analyzing an abnormal reason and an influence range, and generating a structured disease condition comprehensive report. And the visualization and alarm module dynamically displays the state of the patient according to the report, and performs graded alarm on the critical area. The system realizes accurate early warning and monitoring through multi-cycle data fusion analysis and three-dimensional visualization.

The invention belongs to the technical field of early warning systems in Internet platforms, and discloses an Internet of Things-based early warning system and early warning method for an intensive care unit, and the system carries out the abnormal recognition of physiological parameters through a pre-trained early warning model, fuses response task features, medical worker resource states and historical scores based on a response scheduling module, and carries out the early warning of the medical worker. A responder assignment strategy is optimized, and the matching accuracy is improved; furthermore, periodic data acquisition is realized through a response closed-loop recording module, an early warning response responsibility chain containing node and causal link information is constructed, and on the basis, high-risk nodes and bottleneck regions are identified, task allocation weights and path optimization rules are dynamically adjusted, and adaptive updating of scheduling logic is realized; and early warning re-response and rescheduling based on new logic are supported, and a feedback closed loop driven by data is formed, so that the timeliness and accuracy of early warning response are effectively improved, and the risk of intervention failure caused by response lag is reduced.

The invention discloses an intensive care treatment scheme intelligent decision-making system based on data driving, and relates to the technical field of medical information, and the system comprises a data collection module which is used for obtaining multi-source clinical data of an intensive care unit in real time; and the decision generation module is connected with the data acquisition module and is used for generating a treatment scheme according to the clinical data. According to the intensive care treatment scheme intelligent decision-making system based on data driving, through four-dimensional snapshot construction of a dynamic decision-making chain and medical interpretable evolution relation labeling, continuous logic of an intensive care decision-making is guaranteed, data abnormal driving change and medical logic jump risks are effectively identified, medical errors caused by decision-making faults are reduced, and the decision-making efficiency is improved. The abstract decision-making process is converted into a concrete evidence chain capable of penetrating auditing, and the clinical responsibility traceability and the doctor-patient credibility are improved.

The invention discloses an intensive care unit patient early warning method and system based on clinical data, and belongs to the technical field of medical monitoring, and the method comprises the steps: medical staff carries out the setting of a two-dimensional grading system for an intensive care unit patient, and collects the input information data and monitoring data of the patient; constructing a risk factor joint model to evaluate the multi-dimensional potential crisis of the patient in the intensive care unit, giving out early warning according to the evaluation result of the risk factor joint model, and adjusting the severity level and the monitoring level of the patient; key physiological parameters of the patient are calculated in real time, the threshold value is corrected, the corrected threshold value serves as a new threshold value to be written into a database of the risk joint model, and the new threshold value is synchronized to a monitoring terminal through a timestamp. Potential medical risks are effectively reduced, the survival rate of the patient is improved, early warning is given out in time, the monitoring level is optimized, implementation of targeted medical services is ensured, the situation changes of the patient are rapidly recognized, the safety and efficiency of critical care are improved, and powerful technical support is provided for the patient.

The invention discloses a nursing sputum suction device for an intensive care unit. The nursing sputum suction device comprises a sputum suction device body, a control part and a sputum collection barrel. The control part and the sputum collecting barrel are both mounted at the top of the sputum aspirator body; the bottom of the sputum collecting barrel is provided with a notch which is concavely embedded inwards, a cover plate is hinged to the notch, a sealing cavity is formed in the position, located on the periphery of the notch, of the bottom of the sputum collecting barrel, and a heating wire is arranged in the sealing cavity; a plurality of through holes for collecting residual liquid are annularly formed in the liquid collecting cavity; an electric heating element matched with the heating wire is also arranged at the liquid collecting cavity; the heating wire and the nozzle are arranged in the sputum collecting barrel, the stirring effect of bubbles and the heating effect of clear water jointly act on sputum in the sputum collecting barrel, the sputum is fully diluted and purified, and residue and accumulation of the sputum in the sputum collecting barrel are reduced. The heating effect is beneficial for accelerating decomposition of components such as protein and mucus in sputum, so that the sputum is easier to dilute and purify by clear water, and the risk of bacterium breeding is reduced.

The invention relates to the technical field of ICU environment regulation and control, and discloses a negative pressure self-adaptive adjusting system for an ICU ward. The system comprises an area pressure monitoring module, a pressure gradient analysis module, an abnormal fluctuation judgment module, a negative pressure demand generation module, a fan parameter calculation module and an execution control module. The regional pressure monitoring module obtains pressure values of ICU wards, buffer rooms and corridors in real time; the pressure gradient analysis module calculates a pressure difference value of adjacent areas, judges a gradient state and generates an abnormal signal; the abnormal fluctuation judgment module generates an abnormal level signal accordingly; the negative pressure demand generation module generates a negative pressure maintaining or enhancing instruction according to the grade signal; the fan parameter calculation module is combined with the real-time pressure value of the ward to calculate the rotating speed of a target fan and the opening value of an air valve; and the execution control module controls an exhaust system adjusting mechanism according to the target parameters. The system can dynamically regulate and control the negative pressure, guarantees the stability of the negative pressure in a ward, and reduces the diffusion risk of harmful microorganisms.

Provided are a method, device, and recording medium of early prediction of sepsis or septic shock through bio-data analysis on a computing device. In an embodiment, the method comprises training one or more time series deep learning models by: encoding sepsis or septic shock patient vital signs as time series-based bio-data to generate embedded time series patches; encoding associated patient medical histories utilizing a pre-trained language encoder to generate encoded patient medical history patches; combining the embedded time series patches and the patient medical history patches into an array; and randomly masking the embedded time series patches and asking the model to reconstructing the masked patches based at least in part on the associated patient medical histories; and utilizing the one or more trained time series deep learning models to predict sepsis or septic shock for a new patient.

The present invention belongs to the technical field of medical devices, and specifically is a nursing suction device for an intensive care unit, including a left bottle, a right bottle, a gas transmission mechanism, a mounting frame, and a reversing mechanism. In order to improve the suction efficiency and reduce the discomfort of patients, a single-tube delivery method is adopted, and the patient can be treated with suction therapy and expectorant therapy respectively, reducing the number of pipes inserted into the affected part, and at the same time, the steps of pulling out and plugging pipes and expectorant therapy when treating thick sputum can be optimized, shortening the treatment time while improving the suction efficiency, solving the problem that traditional suction devices cannot perform expectorant therapy and too many pipes are inserted into the affected part for suction therapy. At the same time, the adjustment method of suction and expectorant is simple, and only the switching coil magnet and the trigger judgment of the left trigger and the right trigger need to be exchanged, which helps medical staff to master the use method more quickly, improve work efficiency, and save precious time.

The invention belongs to the technical field of medical apparatus and instruments, and particularly relates to an ICU department critical patient effusion drainage device which comprises a sleeping table and a bed body for a patient to lie flat. A needle clamping part is arranged at the axis of the flat plate part, and the needle guiding end penetrating into the abdominal cavity of the patient is fixed through the needle clamping part; and the guide parts are symmetrically arranged on the two sides of the flat plate part. The device can assist medical staff in pricking a patient suffering from abdominal dropsy, and after the medical staff pricks the pricking needle into the abdomen of the patient, the device can keep the pricking needle in a stable vertical state and reinforce the pricking needle, so that when the medical staff connects the pricking needle with a drainage belt, an assistant does not need to assist in taking the drainage belt, and the operation is simple and convenient. When the drainage belt is in butt joint with the puncture needle, it can be guaranteed that the puncture needle has enough stability, and the problem that a patient is secondarily hurt due to the fact that the drainage belt makes contact with the abdomen of the patient and stirs the abdomen of the patient is solved.

The invention discloses an emergency intensive care unit nursing management system and method based on cloud computing, and relates to the field of nursing management, and the emergency intensive care unit nursing management system comprises a management and control module which is used for editing and executing operation instructions of all function modules; the acquisition unit is used for acquiring personal information of a current patient and acquiring physique data, action data and audio data; the preprocessing module is used for performing cleaning, standardization and key feature extraction on the acquired data; the model construction module is used for constructing an anomaly prediction model through a random forest algorithm, and performing model training by taking historical acquisition data as a training sample; by integrating multi-dimensional data and utilizing an anomaly prediction model to automatically learn and adapt to the characteristics of different patients, intelligent anomaly detection is performed based on currently acquired physical data, actions and sounds of the patients, and the configuration of medical personnel and medical equipment is automatically optimized according to the anomaly levels of the patients.

The invention discloses a nursing sputum suction device for an intensive care unit, and relates to the technical field of medical instruments, the nursing sputum suction device comprises a machine body, the machine body is provided with a handle and an operation panel, the nursing sputum suction device further comprises a placement table, the placement table is provided with a sputum collection tank, a medicine storage tank and a cleaning tank, and the sputum collection tank is used for collecting sputum; the sputum collection tank is used for collecting sputum, the medicine storage tank is used for storing liquid medicine for reducing sputum, the cleaning tank is used for diluting sputum, the sputum collection tank is communicated with a sputum suction pipe, the medicine storage tank is fixedly communicated with a medicine outlet pipe, the cleaning tank is fixedly communicated with a discharge pipe, and the medicine outlet pipe is fixedly communicated with a medicine spraying pipe. The sputum suction device has the advantages that after sputum suction is completed, cleaning liquid can automatically flow in the sputum suction pipe to clean the sputum suction pipe, meanwhile, the cleaning liquid can dilute and disinfect sputum, overall sanitation is guaranteed, sanitation and safety of the next sputum suction operation are guaranteed, and follow-up cleaning of the sputum collection tank is facilitated.

The invention discloses an intelligent monitoring method for a ward monitoring system, and aims to solve the problems of multi-source data isolation, response lag and poor scene adaptation of the existing ward monitoring technology. The method comprises the following steps: performing multi-source monitoring data fusion processing, integrating patient physiology, equipment state and ward environment data, unifying formats, and constructing data logic association; performing real-time illness state analysis, judging data reliability in combination with equipment state, finding influence factors by environmental data, and dynamically adjusting a threshold value to generate an analysis report; performing cross-device collaborative response, and starting corresponding early warning according to the disease level; continuously optimizing data feedback, and regularly evaluating and adjusting the model and the flow. Through multi-source data collaboration and closed-loop optimization, ward monitoring accuracy and illness state intervention timeliness are improved, and the method is suitable for hospitalized wards, intensive care units and other scenes.

The invention discloses a pipeline combing infusion support for an intensive care unit and belongs to the field of medical instruments, the pipeline combing infusion support comprises a supporting rod and a pipeline combing mechanism, the supporting rod comprises an infusion rod, hooks are arranged on the top wall of the infusion rod in a circumferential array mode, first sliding grooves are formed in the side wall of the infusion rod in a circumferential array mode, and the pipeline combing mechanism is arranged in the first sliding grooves in a sliding mode; the pipeline carding mechanism comprises a storage bin, a collecting mechanism, an adjusting mechanism and a positioning mechanism, the collecting mechanism is rotationally arranged in the storage bin, the adjusting mechanism is rotationally arranged in the storage bin and arranged on the side of the collecting mechanism, and the positioning mechanism is arranged on the adjusting mechanism in a sliding mode. According to the device, the redundant length of the infusion tube can be effectively collected and carded, so that the tube is more regular, scratching caused by mistaken touch can be effectively prevented, and the risk caused by disorder of the tube is effectively reduced.

The present invention is directed to a universal holder for safely supporting a number of anesthesia and critical care equipment in an organized manner on a single device. The universal holder includes a principal structure that includes an upper portion, a middle portion defining a notched channel, and a lower portion. A receiver plate is movably mounted and is vertically adjustable within the notched channel of the main plate. The receiver plate includes a structure for mounting pressure monitoring devices and manifolds. A removable transesophageal echocardiogram “TEE” probe mount is provided and is removably attachable to the receiver plate to secure the TEE probe to the universal holder. The universal holder includes a self-adjusting flexible hook to attach the universal holder to a bed handrail of a hospital bed and a foldable base plate to support the universal holder between a mattress and the frame of the hospital bed.

The invention discloses an informatization infection monitoring system and method for an intensive care unit, and relates to the field of medical data monitoring, and the informatization infection monitoring system comprises a monitoring control module which is used as a monitoring personnel observation and interaction end and is used for editing and sending operation instructions of all function modules; the acquisition module is used for acquiring control permissions of a plurality of pre-deployed visual inspection devices with adjustable visual angles and acquiring wound images of different body positions of a patient in real time; the body position adjusting unit is used for constructing an adjusting model, generating a series of body position adjusting actions including a plurality of stages and submitting the series of body position adjusting actions to the monitoring control module based on the current wound state in combination with the patient medical record data and the wound state parameters, and monitoring the execution state; through medical records of the patient and real-time wound parameters, a body position adjusting scheme according with the specific condition of the patient is generated, the deterioration index of the wound is evaluated in real time, potential risks of the wound are actively recognized, an alarm is given out immediately when a deterioration sign appears, and manual intervention lag is avoided.

The utility model relates to the technical field of intensive care units, in particular to a portable sputum aspirator which comprises a pull rod cylinder, a connecting ring, a sealing cover and a strengthening net, a baffle is arranged in an open groove in the sealing cover, the baffle is vertically connected with a push rod through a connecting strip, and the push rod moves in the open groove in the surface of the sealing cover. The defects in the prior art are overcome, the through hole is formed in the center of the sealing cover through the push rod and the baffle, and in order to control opening and closing of the baffle, the push rod is vertically arranged at the top end of the connecting strip through the connecting strip, so that the push rod extends upwards to be conveniently grabbed by personnel, and opening and closing of the baffle are controlled; sputum in the sputum tube is guaranteed to be effectively transmitted through the strengthening net, the fixing columns, the connecting rings, the fixing holes and the soft patch, the lining plate and the ferrule are arranged, the lining plate is fixed to the upper portion of one side of the pull rod barrel through the fastening rings, and therefore the whole sputum aspirator structure is spliced within a small range, and a user can conveniently carry the sputum aspirator.

The invention discloses a critical patient rehabilitation evaluation system based on artificial intelligence, particularly relates to the technical field of medical information and intelligent rehabilitation evaluation, and is used for solving the problems that in an intensive care unit, multi-source data are not synchronous, nursing and treatment events are often caused, sedation and ventilation fluctuation pollution is caused, and the problem of serious illness is solved. And thus, the problem of distortion in judgment of which level cannot move nowadays and can move to can be solved. A unified time base is established through three types of anchor points of nursing, body position and cardiopulmonary rhythm, passivity and autonomy are judged in an influence time period, and the passivity is deducted and reserved; and then sedation, circulation, respiratory support and medication are compiled into safety budget with delay, linkage evidence quantity and uncertainty adjustment release rhythm, and degradation and rollback are triggered by an anti-fact track of margin segmentation, so that an executable prescription of'activity, reachable grade and reason 'is output beside a bed, event pollution and physiological fluctuation are inhibited, and the aim of preventing and treating the patient is fulfilled. And maloperation and missed operation are reduced.

The embodiment of the invention provides an ICU (Intensive Care Unit) death risk prediction method, device and equipment based on graph convolution, which are applied to the field of medical data processing, and the method comprises the following steps: obtaining medical time sequence data of a patient in a preset time period, and preprocessing the medical time sequence data; performing multi-scale time slice division on the preprocessed medical time sequence data to obtain time sequence representations of different granularities, and adding position information codes into the time sequence representations of different granularities; inputting the time sequence representations of different granularities into a graph convolutional neural network for analysis processing to obtain final feature representations, the final feature representations including association information among features in the time sequences; inputting the final feature representation into a Transform encoder, and capturing long-term dependence on a time dimension through a multi-head self-attention mechanism to obtain a comprehensive feature representation; and the comprehensive feature representation is analyzed and processed, and the death risk probability is output, so that the accuracy of ICU death risk prediction is improved.

1. Name of the product in this design: Intensive Care Unit. 2. Purpose of this design: To provide a place for animals to receive medical treatment and rehabilitation. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The application discloses a kind of equipment for limb training in intensive care unit, the side of square plate is fixedly connected with rotating frame, the inner wall of rotating frame is rotatably connected with rotating shaft, the surface of rotating shaft is fixedly connected with rotating rod, rotating rod can adjust the distance between each finger sleeve, the end of rotating rod away from rotating frame is fixedly connected with first spring, the end of first spring away from rotating rod is fixedly connected with finger sleeve, the end of rotating shaft away from finger sleeve is fixedly connected with rotating disc, the arc surface of rotating disc is rotatably connected with multiple limit plates, first elastic plate can push limit plate to turn back original angle, can make rotating rod rotate according to the size of patient's hand, so as to adjust every two adjacent finger sleeve to appropriate interval, when patient inserts finger in finger sleeve, patient's finger can be opened, rehabilitation exercise is used, early rehabilitation exercise is carried out, it is significant to recover muscle strength physical ability, shorten hospitalization day, reduce ICU related psychological stress disorder etc.

The utility model belongs to the technical field of storage devices, and provides an intensive care unit pipeline storage device which comprises a storage barrel, a clamping assembly and a fixing assembly. A plurality of groups of storage cylinders are arranged; the clamping assemblies are arranged on the storage barrels, and the multiple sets of storage barrels are detachably connected through the clamping assemblies; the fixing assembly is arranged on the storage cylinder, the fixing assembly comprises two sets of clamping rods and a driving part, a storage hole is formed in the top end of the storage cylinder, the two sets of clamping rods can be arranged in the storage hole in a sliding mode in the radial direction of the storage hole, and the driving part is rotatably arranged on the storage cylinder; and the two groups of clamping rods can be driven to move close to or far away from each other by rotating the driving piece. The multiple sets of storage cylinders are detachably connected, adjustment can be conveniently conducted according to the number of pipelines needing to be stored, the situation that the device occupies redundant space is avoided, the two sets of clamping rods move close to each other by rotating the driving piece to clamp and fix the pipelines, the pipelines in the storage holes are prevented from sliding out, and use is convenient.

The utility model relates to the technical field of medical instruments, and discloses an ICU wrist restraint pad capable of relieving limb edema and facilitating observation, which comprises a support frame, an adjusting mechanism is arranged in the support frame, a restraint mechanism is arranged above the support frame, the adjusting mechanism comprises a restraint pad, the outer surface of the restraint pad is in sliding connection with the inner wall of the support frame, and the restraint pad is arranged on the support frame. Four fixing blocks are fixedly connected to the outer surface of the restraining pad, the outer surface of each fixing block is slidably connected with the inner wall of the supporting frame, and a forward and reverse rotation motor is fixedly connected to the inner bottom wall of the supporting frame. According to the ICU wrist restraint pad capable of relieving limb edema and facilitating observation, a forward and reverse rotation motor can rotate to drive a first threaded rod to rotate, so that under the action of rotation of the first threaded rod, one fixing block and the restraint pad are driven to move, and when the restraint pad is adjusted to move, the rest fixing blocks can be driven to move; therefore, the height of the restraint pad can be quickly adjusted, and the patient can be helped to relieve edema.

The present invention comprises: a head unit which generates stimuli by means of power supplied from a main body unit, so as to deliver the stimuli to a user's skin; and an intensive care unit which is provided on the head unit so that when the head unit is pressed against the user's skin, the intensive care unit pinches an area of the user's skin to protrude outward and intensively applies stimuli to the protruding skin.

The invention provides an intubation fixing device for the intensive care medicine department, and belongs to the technical field of medical instruments. Comprising a main frame; the second supporting arm is mounted in the main frame body in a hinged manner; the first supporting arm is mounted in the main frame body in a hinged manner and can be close to the second supporting arm; the rotating direction of the first supporting arm and the rotating direction of the second supporting arm are located on the same plane, the first supporting arm is bent in an arc shape, the arc concave face of the first supporting arm faces the side of the second supporting arm, and the top end of the second supporting arm is smoothly bent towards the side away from the first supporting arm; and a mounting bracket is also included. According to the medical catheter supporting device, supporting can be provided in the medical catheter intubation process, the medical catheter can be in smooth transition at the supporting point position, the medical catheter is prevented from being bent and damaged, and meanwhile the medical catheter supporting device has a locking stop position for the maximum bending steering angle of the medical catheter; it is ensured that the phenomenon that the medical pipeline is bent and damaged due to the too large bending steering angle, and liquid medicine or oxygen in the pipeline is blocked is avoided.

1. The name of the design product: non-invasive brain electrical collection helmet. 2. The use of the design product: for fast wearing / removing in multi-line intensive care unit (ICU) environment, realizing stable collection of left central area (C3) of head / right central area (C4) of head / central line on top of head, midpoint area (Cz) from forehead to occipital region and related sites of forehead / parietal region. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention provides an intelligent delirium evaluation system for an intensive care unit, which solves the subjective limitation of a traditional delirium evaluation dependency scale through multi-modal data acquisition and mathematical model quantitative calculation, and specifically, acquires key data such as a brain tissue oxygenation index, a serum albumin concentration and a total plasma concentration in real time to obtain a delirium evaluation result. Through models such as a blood-brain barrier penetration coefficient and a free drug score, accurately calculating a core index of effective brain concentration, and dynamically adjusting an early warning threshold and a limb movement frequency in combination with ambient light intensity to divide risk levels; in the whole evaluation process, quantitative logic is constructed based on a pathophysiological mechanism, subjective judgment deviation of medical staff is avoided, and the problem of delirium intervention lag caused by missed judgment and misjudgment is effectively reduced.