486 results about "Blood glucose testing" patented technology

The invention relates to the technical field of medical equipment, in particular to application equipment for treating diabetes mellitus, which is good in use effect and comprises a shell and a placing shell. By arranging an electric telescopic rod, a movable plate, a detection needle and a blood glucose detector, before insulin injection, the movable plate is pulled through the electric telescopic rod, at the moment, a vertical rod moves in a triangular groove, the detection needle is inserted into the skin of a patient, then the blood of the patient is detected, and the blood glucose detector is used for detecting the insulin. The real-time blood glucose condition of the patient can be detected, and the blood glucose detection function of the patient is achieved; by arranging an electric telescopic rod and a movable plate, when the device is not used, the movable plate is moved to the center position opposite to the fixed plate through the electric telescopic rod, at the moment, a treatment needle and a detection needle are both located in an inner cavity of the shell, discomfort caused when a needle head is inserted into the skin for a long time is avoided, and the use effect is good. The device has the advantages of being good in use effect and diversified in function.

The invention discloses a method for evaluating postprandial blood glucose response of a human body based on continuous blood glucose data and application. The method comprises the following steps: acquiring a continuous blood glucose detection value and meal starting time; matching a first blood glucose recording point after eating according to the dining time, intercepting blood glucose data of 2 hours after meal, and preprocessing the data; constructing four postprandial blood glucose response modes by applying the continuous blood glucose data of FPCA and based on a characteristic function of which the interpretation degree ranks top two obtained by the FPCA; through comparison of postprandial blood glucose response mean value curves of the four blood glucose response modes, the four response modes can evaluate postprandial blood glucose by integrating the blood glucose concentration range and whether the fasting homeostasis can be rapidly recovered or not.

The invention belongs to the technical field of blood glucose detection, and particularly relates to an intelligent 5G blood glucose detector and a using method.The intelligent 5G blood glucose detector is characterized in that an inflatable finger sleeve is arranged on the front side of a shell, and an air pump, an infrared detection probe, detection test paper, a detection device and a control circuit board are arranged in the shell; the detection device comprises a guide power mechanism, a blood glucose detector and a telescopic rod, a pressure sensor is arranged in an inflatable finger sleeve, blood glucose can be conveniently and rapidly detected, data can be transmitted to a cloud background through a 5G module on a control circuit board, uploading and recording of detection data are achieved, and a patient and a doctor can check the detection data; the illness state control of diabetic patients is promoted. The detection test paper in the 5G intelligent blood glucose detector is specially-made triplet type test paper, continuity of three times of work of disinfection, blood sampling and binding of blood glucose detection is achieved, troubles caused by frequent different operations of a user are reduced, and blood glucose of a patient with hyperglycemia can be efficiently, conveniently and safely collected at any time.

The invention belongs to the technical field of medical health monitoring, and relates to a noninvasive blood glucose detection method based on reinforcement learning and multi-modal dynamic weight fusion, and the method comprises the following steps: carrying out adaptive dynamic weight distribution on the weight of an ECG signal and a PPG signal based on a reinforcement learning network, optimizing a signal processing parameter, and determining whether to trigger threshold adjustment; performing weighted feature fusion on the ECG signal and the PPG signal to obtain a fusion feature vector; the fusion feature vector is input into a prediction and early warning double-branch output structure, the prediction and early warning double-branch output structure comprises a regression branch and a classification branch, the regression branch is used for continuously predicting the blood glucose value, and finally a single blood glucose concentration value is output; and the classification branch is used for early warning level judgment, and finally outputting classification alarms for continuous prediction results so as to complete noninvasive blood glucose detection. The method has the beneficial effects that the fluctuation influence of user movement and temperature on noninvasive blood glucose data acquisition is reduced, and the individual difference suitability and long-term stability of noninvasive blood glucose detection are improved.

The utility model relates to an insulin treatment cart. The insulin treatment cart comprises a frame; the operation table top is arranged at the top end of the frame and comprises a special injector box for placing an insulin injector, a special blood glucose testing box for placing related tools for testing blood glucose and a blood glucose meter placing frame for placing a blood glucose meter, and a sharp instrument box for conveniently recycling a needle head of the insulin injector is arranged in the special blood glucose testing box; the sharp instrument box comprises a box body and a box cover detachably arranged at the top of the box body, a dismounting hole is formed in the end face of the box cover, a dismounting ring is arranged in the dismounting hole, and a plurality of clamping blocks matched with the peripheral wall of a needle of the insulin syringe are arranged on the inner end face of the dismounting ring in the circumferential direction at intervals. And the drawer is arranged below the operation table top. Compared with the prior art, insulin for diabetes treatment and related tools can be placed in the insulin storage box in a standard mode, meanwhile, the insulin needle recycling box is arranged, medical workers are prevented from being punctured by needles, and the medical workers can conveniently find related articles and discard the needles after injection.

The invention discloses a multichannel blood sample shunt detection glucometer, and belongs to the technical field of glucometers, the multichannel blood sample shunt detection glucometer comprises a base, the top side in the base is fixedly connected with a protective cover, the bottom side in the protective cover is provided with a detection disc, and the bottom side in the detection disc is provided with a mounting groove. According to the device, a driving motor drives a detection disc, a connecting shaft and a gear to rotate, the gear drives the connecting shaft, an annular block and an arc-shaped convex block to rotate under the action of a fan-shaped fluted disc, and the arc-shaped convex block can extrude a roller, a connecting rod and a second spring in the rotating process; a plurality of rollers intermittently drive a connecting rod, a spherical hinge support and a spherical hinge support to move upwards, that is, a fixed seat continuously drives a blood sample storage transparent tube to perform shaking, vibration and static settlement treatment, so that blood and a reagent in the blood sample storage transparent tube are fully mixed and reacted; therefore, the subsequent blood glucose detection precision of the equipment on the blood in the blood sample storage transparent tube is ensured.

The invention discloses a real-time adjusting method for insulin infusion volume, which adopts a closed-loop control method, and dynamically adjusts the infusion volume of an insulin pump based on a comparison result of a predicted blood glucose parameter and a preset blood glucose range through collected blood glucose data and predicted future blood glucose data, thereby realizing more accurate blood glucose control. The invention further discloses a closed-loop infusion system designed based on the real-time adjustment method. The closed-loop infusion system comprises a controller, a blood glucose detection system, an insulin pump and a continuous glucose monitoring system. Compared with open-loop control, the closed-loop control can monitor the blood glucose level of the patient in real time and automatically adjust the insulin infusion amount according to real-time data, and the high-automation system can more accurately maintain the blood glucose within the target range and reduce blood glucose fluctuation. Moreover, the closed-loop control system reduces the requirements of patients or medical staff for manually calculating and adjusting the insulin dosage, so that personal errors are reduced, automatic adjustment can better adapt to individual differences and dynamic changes of the patients, the burden of the patients on blood glucose monitoring and insulin dosage adjustment is reduced, and the safety and effectiveness of treatment are improved.

The invention provides a power management and power consumption control device and method of a continuous blood glucose detection circuit. Relates to the technical field of continuous blood glucose detection, solves the problems of power consumption control and switching in the prior art, and is characterized in that a power input end of a charge pump is connected with an anode of an external power supply; the control input end of the charge pump is connected with a mode control signal end; the power output end of the charge pump is connected with the first control end of the power switch device; the switching signal control end of the charge pump is connected with the second control end of the power switching device through the delayer; the output end of the power switch device is connected with the working voltage input end, and the working voltage output end is connected with the grounding capacitor; the power output end of the charge pump is connected with the input end of the power-on reset module, the power switch switching signal end of the power-on reset module is connected with the power switch switching signal end of the charge pump, and different working modes can be achieved, so that power consumption control is achieved.

The invention relates to a bioelectrical impedance spectroscopy noninvasive blood glucose detection method, and relates to the technical field of noninvasive blood glucose detection. The method comprises the following steps: firstly, acquiring a bioelectrical impedance spectrum of the forearm of a human body by using a bioelectrical impedance sensor, then, reducing the difference of bioelectrical impedance between different subjects and sessions by using a proposed baseline correction method, and finally, expanding and balancing a sample based on an Optuna hyper-parameter optimization algorithm. Frequency and feature selection and regression model establishment are integrated into one evaluation index, and overall optimization of hyper-parameters is achieved. Specifically, the problems of small sample size and large blood glucose extreme value estimation deviation are simultaneously solved by using a data generation method based on K nearest neighbor in combination with a Clark error grid evaluation index and sample density weighting. Secondly, according to prior information of a data structure, using sparse group minimum absolute shrinkage with a weight proportion threshold value and a selection operator to simultaneously select frequency and characteristics which contribute to modeling to the greatest extent; and finally, an ensemble learning algorithm XGBoost is selected and used to establish a final model. The overall optimization method improves the robustness of the model and the accuracy of the estimation result.

The invention discloses a painless minimally invasive blood glucose testing device, and particularly relates to the technical field of blood glucose testing devices, the painless minimally invasive blood glucose testing device comprises a fingerstall mechanism, a needle replacing mechanism is fixedly installed at the bottom of the fingerstall mechanism, the needle replacing mechanism comprises an installation sleeve, and a needle storage box is movably installed on one side of the installation sleeve; a plurality of blood taking needle mechanisms are movably installed in the needle storage box, and a material pushing protrusion is fixedly installed on one side of the installation shaft. According to the painless minimally invasive blood glucose testing device, an air cylinder drives a mounting shaft to move towards a blood sampling hole, a blood sampling needle mechanism in a needle storage box is pushed into a mounting sleeve through a material pushing protrusion in the displacement process, and after a finger pulp is punctured, the air cylinder is started to drive the mounting shaft to move towards the side away from the blood sampling hole; in the displacement process, the blood taking needle mechanism is driven by the first clamping hook to move, and when the blood taking needle mechanism moves to one side of the discharging hole, the blood taking needle mechanism is thrown out of the interior of the discharging hole under the cooperation of the second spring and the second spring.

The invention relates to a noninvasive blood glucose detection technology, in particular to a blood glucose detection method for a noninvasive blood glucose meter and a blood glucose detector. The invention discloses a blood glucose detection method for a noninvasive blood glucose meter. The blood glucose detection method comprises the following steps: acquiring near-infrared light data and mid-infrared light data and calculating corresponding weight coefficients; acquiring a predicted blood glucose value by using the blood glucose detection model, calculating credibility, comparing the credibility with a preset credibility threshold, and executing corresponding operation; and acquiring a blood glucose health assessment result by using the blood glucose health assessment model. The near-infrared spectrum technology and the mid-infrared spectrum technology are combined, the influence of environmental factors is considered in real time, the weight coefficients of the near-infrared light data and the mid-infrared light data are calculated respectively, analysis of the spectrum data is adjusted and optimized, a more accurate blood glucose detection result is provided, and the accuracy of blood glucose detection is improved. And reliable blood glucose measurement values can be obtained under different environmental conditions.

The present invention discloses a non-invasive blood glucose testing method based on a group big data model, which relates to the technical field of blood glucose testing, and includes the following steps: using a near-infrared spectrometer to detect spectral data in skin and tissues, and obtaining the absorption peak of glucose molecules in the near-infrared range; performing preliminary feature extraction on the obtained absorption peak, and after performing abnormal analysis on the extracted features, preliminarily judging whether the absorption peak is abnormal, and screening out the abnormal absorption peak. The present invention uses a machine learning model to screen out abnormal absorption peaks through feature extraction and abnormal analysis, ensures the use of normal data, improves the accuracy of blood glucose prediction, reduces the risk of overestimation or underestimation, provides reliable monitoring for diabetic patients, adjusts drugs in time, and reduces the risk of complications. At the same time, differential analysis and standardized deviation calculation screen out abnormal prediction values, optimize data processing, improve system robustness and final prediction accuracy, and provide accurate non-invasive blood glucose monitoring solutions.

The invention provides a non-invasive blood glucose detection device. The non-invasive blood glucose detection device comprises a flexible circuit board, at least one blood glucose detection module and an adhesive layer, the at least one blood glucose detection module is arranged on the flexible circuit board, and each blood glucose detection module comprises a blocking structure, a light-emitting element, a light sensing element and a transparent cover plate. The blocking structure forms a first space and a second space which are isolated from each other; the light-emitting element and the light sensing element are respectively positioned in the first space and the second space; the transparent cover plate is combined with the blocking structure to seal the first space and the second space. The adhesive layer is arranged on the flexible circuit board and located on the periphery of the at least one blood glucose detection module.

The invention discloses a noninvasive blood glucose concentration prediction system and method based on a deep triplet network. Belongs to the technical field of blood glucose detection and particularly relates to the technical field of noninvasive blood glucose detection. The problem that a conventional noninvasive blood glucose concentration prediction method does not have universal applicability is solved. The system comprises a data acquisition module, a data processing module, a model building module and a prediction module. The data acquisition module is used for acquiring and preprocessing spectral characteristic data of the finger part of the volunteer; the data processing module divides the preprocessed data into a training set, a verification set and a test set; the model building module is used for building a noninvasive blood glucose concentration prediction model and training the noninvasive blood glucose concentration prediction model by using the data in the data processing module to obtain an optimal noninvasive blood glucose concentration prediction model; the noninvasive blood glucose concentration prediction model comprises a triple input network, an improved Transform network and an SVR (Support Vector Regression) regression prediction network; the prediction module is used for predicting the blood glucose concentration of the human body according to the optimal noninvasive blood glucose concentration prediction model.

The invention provides a full-dynamic non-invasive blood glucose detection method based on a full-spectrum peak segment optimization algorithm. The method comprises the following steps: step S1, performing blood glucose testing on a nail bed part of a human little finger by matching an infrared dual-wavelength semiconductor laser with a spectrograph, and recording blood glucose Raman spectrum data obtained in each blood glucose testing; step S2, carrying out pretreatment on the obtained blood glucose Raman spectrum data; s3, dividing the preprocessed blood glucose Raman spectrum data into a training set and a prediction set, analyzing through a principal component analysis method and a partial least square regression analysis method, and establishing a model; s4, inputting the preprocessed blood glucose Raman spectrum data as an independent variable into the model in the step S3, analyzing the blood glucose concentration of the human body, and giving a reference value; according to the full-dynamic non-invasive blood glucose detection method based on the full-spectrum peak segment optimization algorithm, the accuracy of quantitative analysis of a high-fluorescence background sample through a Raman spectrum is achieved, complex treatment on the sample is not needed, and the accuracy of human body non-invasive blood glucose detection is improved.

The embodiment of the invention provides a detachable detection device and a needle assistor, the detection device is used for detecting blood glucose, the detection device comprises a detection assembly, a sensor assembly and a needling assembly, the detection assembly comprises a flat shell, the outer wall of the bottom of the flat shell is sunken inwards to form a containing cavity, the sensor assembly comprises a base and a probe, the base is provided with a second via hole, and the probe is arranged in the containing cavity. The base is detachably clamped in the containing cavity, part of the probe is located in the base, part of the probe extends out of the hole wall of the second through hole and extends towards the side away from the detection assembly, and when the base is located in the containing cavity, the probe is electrically connected with the detection circuit board. According to the embodiment of the invention, the detection assembly and the sensor assembly are mutually detachable and can be clamped, so that only the sensor assembly is sterilized instead of the detection assembly in the sterilization process, and the influence on the detection circuit board in the detection assembly in the electromagnetic wave or irradiation sterilization process can be avoided; the product yield of the detection device is improved.

The invention discloses a hydrogel microneedle patch for noninvasive blood glucose detection as well as a preparation method and application of the hydrogel microneedle patch. According to the invention, the microneedle patch is prepared by a turnover technology and is noninvasively applied to the skin surface, so that simple and rapid extraction of interstitial fluid in vivo and a new method for real-time, rapid and quantitative detection of blood glucose in vivo are realized. The hydrogel microneedle patch contains two hydrogel components: one hydrogel component is hydrogel which can be cured and formed by ultraviolet light, and the other hydrogel component is hydrogel which can be cured and formed by ultraviolet light; and the other hydrogel is functional hydrogel with pH responsiveness, and glucose oxidase is added, so that the hydrogel can sensitively react to in-vivo glucose. The double-response hydrogel is jointly mixed and prepared into a microneedle patch form, the microneedle patch is endowed with noninvasive / minimally invasive property when applied to the skin surface, the microneedle patch is very suitable for extraction of interstitial fluid in vivo, and then real-time, rapid and accurate detection of the blood glucose level in vivo is achieved.

The invention relates to the technical field of biomedical detection equipment, and provides a small noninvasive blood glucose detection system and method based on frequency shift and amplitude constraint, the small noninvasive blood glucose detection system and method based on frequency shift and amplitude constraint comprises a field programmable gate array (FPGA), a digital-to-analog converter (DAC) and a voltage-controlled oscillator (VCO), the system comprises a double-frequency complementary split-ring resonator (CSRR) sensor, a detector, an analog-to-digital converter (ADC), a liquid crystal display (LCD), a nixie tube and a power supply module for supplying power, after frequency sweeping is completed, the detector output voltage data stored in the RAM is converted into a power value through calculation, the amplitude of the transmission coefficient of the sensor is obtained according to an S21 parameter formula, and the FGPA controls a nixie tube to display the resonant frequency and the resonant depth of the sensor according to a key. The method is mainly applied to design and manufacturing occasions of medical equipment.

According to the intelligent real-time blood detection system based on the intravascular indwelling sensors, through an intravascular indwelling multi-sensor integrated system (electrochemical / optical coaxial layered design), continuous monitoring of one-time puncture for more than or equal to 7 days is achieved, in a clinical test, puncture within 7 days can be reduced from 28 times to 3 times, an improved Kalman filtering algorithm eliminates signal crosstalk, and the detection accuracy is improved. The D-S evidence theory is combined to dynamically fuse multi-modal data, so that the blood glucose detection MARD is reduced to 4.1%, the blood potassium error is less than 0.08 mM, and the motion artifact residual error is 1t; and 0.5%. A real-time data transmission and intelligent alarm system significantly improves clinical response efficiency, self-adaptively calibrates individual differences, and realizes high-precision long-acting monitoring.

The utility model provides blood glucose detection test paper and a blood glucose detection test paper storage box, and relates to the technical field of blood glucose detection consumables, the blood glucose detection test paper comprises a substrate, an electrode layer is laid on the substrate, and a mistake-proof slot is formed in the lower part of the substrate; an insulating layer is arranged above the electrode layer, a sampling window is formed in the insulating layer, an enzyme layer and a hydrophilic layer are arranged in the sampling window, the enzyme layer is attached to the upper surface of the electrode layer, and the hydrophilic layer is arranged above the electrode layer; a release film is laid on the insulating layer, the release film is divided into a sampling end, a main body and an electrode end through an easy-to-tear line, and the divided release film covers the sampling window, the insulating layer main body and the electrode end respectively. The sealing structure has the advantages of good sealing performance and capability of avoiding wrong insertion of front and back surfaces of electrode ends.

The invention belongs to the technical field of blood glucose test paper, and particularly relates to rapid blood glucose detection test paper and a preparation method thereof. The blood glucose test paper is composed of a blood glucose test paper impregnation liquid and a test paper base material, wherein the test paper base material is composed of 10-20% of graphite powder, 10-15% of polyurethane resin, 5-10% of polybutylene terephthalate, 5-10% of polytrimethylene terephthalate, 5-10% of polyethylene, 5-10% of hydroxyethyl cellulose and 45-60% of ethylene glycol monobutyl ether; the blood glucose test strip impregnation liquid consists of 40-45% of phosphate buffer, 2-3% of glucose dehydrogenase, 40-45% of normal saline, 0.5-1% of ferric oxide, 0.5-1% of cobalt oxide, 2-3% of ascorbic acid and 1-3% of m-xylylenediamine; the prepared blood glucose test paper can still provide a more reliable result under the condition that blood glucose fluctuates greatly, has good stability, is slightly influenced by environmental factors, can give a result within four to five seconds, is reliable in measurement result, facilitates a user to know the blood glucose level in time, and is convenient for the user to use. And a patient can be helped to take measures quickly when the symptom of hypoglycemia or hyperglycemia occurs, so that crisis is avoided.

The invention discloses a glucometer high-precision detection method based on a dynamic calibration algorithm and a glucometer, and relates to the field of blood glucose detection.The method comprises the steps that modal decomposition is conducted on a blood glucose current signal, the blood glucose current signal is decomposed into a plurality of frequency components, and an effective physiological component and an interference component are separated from the frequency components; performing time sequence feature extraction on the effective physiological component to obtain feature parameters at multiple moments, and performing correlation analysis on the feature parameters at the multiple moments, the environment temperature and the tissue impedance parameter to obtain a fusion feature vector; inputting the fusion feature vector into a parameter calibration model, and outputting a preliminary blood glucose value; a temperature correction coefficient is calculated according to the deviation between the environment temperature and the preset reference temperature, the initial blood glucose value is dynamically adjusted according to the temperature correction coefficient, and a final blood glucose detection value is obtained. By implementing the method, the detection accuracy of the glucometer can be improved.

The invention discloses a personalized adoptive non-invasive blood glucose monitoring method, system and device and a medium, and the method comprises the steps: obtaining a blood glucose sample and a physiological parameter sample of a target individual, and calibrating a trained universal artificial intelligence prediction model according to the blood glucose sample and the physiological parameter sample of the target individual, a personalized artificial intelligence prediction model is obtained; the universality artificial intelligence prediction model is obtained by training according to a blood glucose sample and a physiological parameter sample of a group; acquiring physiological parameters of the target individual, and monitoring blood glucose of the target individual according to the physiological parameters of the target individual and the personalized artificial intelligence prediction model; the physiological parameters are obtained through non-creative measurement. The embodiment of the invention can noninvasively, accurately and continuously monitor the blood glucose of the target individual, and can be widely applied to the technical field of blood glucose detection.

The invention relates to the technical field of sensors, in particular to a CIOD-based noninvasive blood glucose detection sensor and method.The sensor comprises a multi-layer structure and comprises a first flexible polyimide substrate tightly attached to the skin, a temperature control assembly, a second flexible polyimide substrate and a glucose detection patch; the temperature control assembly comprises a temperature sensor and a heating wire and is used for thermally activating the skin; the glucose detection patch comprises three electrode areas filled with perfluorinated sulfonic acid resin, wherein the first electrode area comprises a first sodium ion working electrode, a shared electrode and a detection working electrode; the second electrode region contains a sodium ion reference electrode; the third electrode area comprises a second sodium ion working electrode and an auxiliary electrode; the electrodes are connected through insulating coating wires; the shared electrode and the auxiliary electrode form an interstitial fluid extraction electrode pair, and the detection working electrode and the shared electrode form a glucose detector to detect a hydrogen peroxide signal generated by glucose oxidation; the first sodium ion working electrode, the second sodium ion working electrode and the sodium ion reference electrode form a sodium ion differential detector to calibrate a glucose signal. According to the novel noninvasive blood glucose detection sensor provided by the invention, efficient, noninvasive and portable blood glucose monitoring can be realized by combining thermal activation and differential self-calibration.

The invention discloses a continuous dynamic blood glucose monitoring management method in an intensive care unit, which relates to the technical field of data analysis and processing, and comprises the following steps: collecting blood glucose data of a patient in real time, and setting blood glucose correction frequency based on the blood glucose data; calculating the dose of insulin used by the patient based on the corrected and collected blood glucose data; determining a blood glucose fluctuation range in the patient based on the blood glucose fluctuation adjustment value, determining a blood glucose level range according to the blood glucose value of the patient, and formulating a patient treatment scheme; displaying blood glucose monitoring and insulin treatment data in real time, and generating a patient data report; and establishing a remote cooperation platform, and carrying out data sharing and real-time communication cooperation. According to the method, the blood glucose data of the patient is detected through the continuous dynamic blood glucose detector, the pain of the patient is relieved, medical workers do not need to inject insulin manually through automatic insulin infusion, the working efficiency and the treatment experience of the patient are improved, and the medical workers are helped to master the blood glucose condition of the patient through a whole-process monitoring display interface.

The invention discloses a rapid detection device for diabetic nephropathy patients, and belongs to the technical field of diabetic nephropathy patient detection.The rapid detection device comprises a blood glucose detection assembly, a self-adaptive adjusting mechanism, an extrusion force adjusting structure and an automatic blood taking mechanism, and the self-adaptive adjusting mechanism is arranged on the blood glucose detection assembly; the extrusion force adjusting structure is arranged in the blood glucose detection assembly, the extrusion force adjusting structure is connected with the self-adaptive adjusting mechanism, the extrusion force adjusting structure comprises an adjusting assembly and a reciprocating displacement assembly, and the automatic blood taking mechanism is arranged on the blood glucose detection assembly. By arranging the self-adaptive adjusting mechanism, the extrusion force adjusting structure and the automatic blood taking structure, the extrusion force for assisting the blood taking structure of the person to be detected is self-adaptively adjusted according to different thicknesses of the hands of the person to be detected, and it is ensured that the device can take out sufficient blood for detection; and tissue fluid groups which influence a detection result can be prevented from existing in blood, so that the detection precision of the device is improved.

The invention provides a blood glucose measuring method based on hematocrit compensation and a blood glucose test.The method comprises the steps that the impedance value and the current value, detected by the blood glucose tester, of to-be-measured blood are obtained; determining a calibration current value and a hematocrit value according to the current value and the impedance value; according to the hematocrit value, the calibration current value and a blood glucose test equation, the blood glucose value of the blood to be tested is determined. The hematocrit in blood can be compensated through a blood glucose test equation, and the influence of the hematocrit on a measurement result is reduced, so that the measurement accuracy of the electrochemical test paper is improved.

The invention belongs to the field of blood glucose test strip storage boxes, and provides a sealed pressing type blood glucose test strip cross contamination prevention storage box which comprises a sealing box, a paper outlet groove is formed in the upper side of the sealing box, a paper storage box is slidably arranged in the sealing box, a test strip body is arranged on the inner bottom wall of the paper storage box, and a fixing box is fixedly installed on the side wall of the sealing box. A top plate is rotationally arranged in the sealing box, one end of the top plate is in contact with the lower surface of the paper storage box, the other end of the top plate extends into the fixing box, a button is fixedly mounted on the upper surface of the top plate, and a channel is formed in the side wall, connected with the storage box, of the fixing box; non-contact taking of blood glucose test paper is achieved through the pressing type paper outlet mechanism, and cross contamination caused by the fact that fingers make direct contact with a test paper detection area is effectively avoided; by adopting inclined block guiding, extrusion wheel limiting and elastic resetting structures, the test paper is ensured to be uniformly stressed and stably sent out in the taking process, the test paper is prevented from being damaged due to friction or extrusion, and the accuracy and reliability of blood glucose detection are remarkably improved.

A test paper for detecting blood glucose, the test paper comprising a substrate layer (10), an electrode layer, a reagent layer and a covering layer, which are sequentially arranged. The reagent layer comprises 2-3 parts of FAD-GDH, 3-5 parts of a high polymer, 2-3 parts of an electronic medium, 0.2-1 part of a surfactant and 1-2 parts of a buffer solution, wherein the high polymer comprises a first polymer having a degree of polymerization of 200-400 and a second polymer having a degree of polymerization of 200-300. The method for preparing the test paper for detecting blood glucose comprises sputtering a metal layer on the substrate layer (10), etching the electrode layer on the metal layer, dropwise adding a reaction liquid in a reaction area of the electrode layer, drying the reaction liquid to obtain the reagent layer, and pasting the covering layer on the electrode layer, which avoids the problems of instability and low accuracy caused by "coffee-ring" effect.

The utility model discloses a detection circuit for a blood glucose testing device, the blood glucose testing device comprises a test paper reaction unit and a processing unit, and the test paper reaction unit comprises an impedance testing electrode pair and a current testing electrode pair; the processing unit comprises an impedance detection module, a current detection module and a potential tracking module, the impedance detection module is connected with the impedance test electrode pair and used for testing the impedance of the blood glucose sample, the impedance detection module comprises a signal generator, and the signal generator is used for applying an alternating current signal or a direct current signal to the impedance test electrode pair; the current detection module and the potential tracking module are respectively connected with the current test electrode pair, the current detection module can apply excitation voltage to the current test electrode pair for testing the current of the blood glucose sample, and after the excitation voltage is disconnected, the potential tracking module can test the attenuation potential of the current test electrode pair. The attenuation potential is measured, and the attenuation potential can be used as one of blood glucose calibration parameters, so that the blood glucose detection accuracy can be improved.