47 results about "Taking blood sample" patented technology

The invention relates to the field of blood type detection, and particularly discloses a full-automatic blood type analyzer and a control system thereof, the quality of blood type test paper is evaluated by monitoring the damage degree, the smudginess degree and the wrinkle degree of the blood type test paper, early warning is carried out, replacement of the blood type test paper is reminded, and the situation that the blood type test paper with unqualified quality is used in blood type detection is avoided; the quality of the blood sample is evaluated by monitoring the time for collecting the blood sample, and the blood type test paper is replaced to collect the blood sample again, so that the use of unqualified blood samples in blood type detection is avoided; the temperature, the humidity and the light intensity of a blood type testing environment are collected, the influence coefficient of the testing environment on a measurement result is analyzed, whether the testing environment is poor or not is judged, and early warning and prompting are carried out; the detection accuracy and reliability of the blood type analyzer are improved from multiple dimensions, so that the blood type analyzer plays a better role in the scenes of medical first aid preliminary blood type judgment, blood type screening on a blood donation site, family self-blood type detection and the like.

The invention discloses a newborn rare disease intelligent screening and diagnosis system based on multi-omics data fusion, relates to the technical field of medical data processing, and aims to solve the technical problems that a traditional diagnosis method is long in time consumption and low in accuracy and cannot meet the requirement for rapid and accurate diagnosis of newborn rare diseases. The data acquisition module is used for acquiring clinical omics data from a doctor's advice database through a neonatal medical record, and acquiring blood samples to acquire gene data and metabonomics data and marking when the medical record records that the neonatal suffers from a rare disease; the data processing module is used for preprocessing the clinical omics data according to the neonatal medical record to obtain a training set and a test set, and preprocessing the gene data and the metabonomics data according to the blood sample; and the diagnosis module is connected with the data processing module. By constructing a three-level modular architecture, the problem of missed diagnosis caused by traditional multi-source data isolated analysis is effectively solved, and the accuracy rate of newborn rare disease diagnosis is remarkably improved.

1. The name of the design product: collection tube. 2. The use of the design product: for hospital patients to collect blood samples. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1. 5. Other circumstances that need to be explained: part A is transparent material.

Device and method for determining sedimentation rate A device for determining sedimentation rate comprises at least one member (8) for collecting a blood sample, and a sensor (20) comprising an infrared light source (12) and an optical sensor (14) arranged substantially opposite each other around a substantially transparent portion (16) of the sampling member (8) so that the light emitted by the infrared light source (12) reaches the optical sensor (14) after passing through said substantially transparent portion (16). The optical sensor (14) is arranged to carry out a blank measurement, the device further comprising a converter (10) arranged to receive one or more light transmission measurements from the optical sensor (14), to calculate the ratio between the blank measurement and the one or more light transmission measurements and to return a sedimentation rate. Fig.1

The invention relates to an intestinal microorganism detection method based on polyphenol correlation analysis. Comprising the following steps: S1, constructing a polyphenol standard curve; s2, measuring and calculating the polyphenol content in the blood sample according to the polyphenol standard curve; s3, calculating the relative abundance of the first batch of intestinal microorganisms by using a fitting formula according to the polyphenol content; and S4, according to the relative abundance of the first batch of enteric microorganisms, calculating the relative abundance of the second batch of enteric microorganisms by adopting a fitting formula. The detection method provided by the invention is simple, convenient and rapid, excrement sampling is not needed, the relative abundance of polyphenols in blood and microorganisms in intestinal tracts can be detected only by sampling a blood sample, the relative abundance of other common intestinal microorganisms can be obtained through the relative abundance of the microorganisms, and the problems that sampling is difficult and the detection time is short when the intestinal microorganisms are detected are solved. The time cost and the economic cost are saved, and the method can be widely applied to various situations in which the polyphenol and the intestinal microorganisms need to be rapidly detected.

A blood collection device for collecting a blood sample from a patient. The blood collection device includes a disposable collection cartridge and a reusable actuator releasably coupled to the disposable collection cartridge. The disposable collection cartridge includes a housing, a piercing element, and a fluid container. The reusable actuator includes a controller, a power source, and a vacuum source.

Apparatus and methods are described including a microscope system configured to acquire first and second images of a blood sample at respective times. A computer processor determines whether, between acquisitions of the first and second images, there was motion of a given entity within the sample, by comparing the first and second images to one another. At least partially in response thereto, the computer processor distinguishes between the given entity being a non-parasitic entity and the given entity being a parasite, and generates an output on the output device, at least partially in response thereto. Other applications are also described.

1. The name of the design product: blood sampling pen. 2. The use of the design product: instrument for collecting blood samples. 3. The design features of the design product: in shape. 4. The picture or photo that best indicates the design features: perspective view 1.

The invention discloses a dynamic algorithm for blood culture positive judgment, which comprises the following steps: S1, data acquisition: a blood volume monitoring module is arranged on a blood culture bottle, and the module adopts at least one of a pressure sensor, a weight sensor or a visual system to monitor the liquid level height and is used for accurately measuring the blood collection volume; after a collected blood sample is injected into the blood culture bottle, the blood volume monitoring module obtains blood collection volume data in real time. According to the invention, the blood volume monitoring module is added to realize accurate measurement of the blood collection volume, a scientific relation model is established by using big data analysis, and a dynamic positive judgment model based on sample information is constructed. According to the algorithm, a dynamic positive judgment threshold value can be calculated according to real-time data, the false positive rate caused by too much blood sampling amount or too much leukocytes of a patient is effectively reduced, the accuracy and timeliness of blood culture detection are remarkably improved, a more reliable basis is provided for clinical diagnosis, doctors are assisted to formulate a reasonable treatment scheme in time, and the treatment effect is improved. The treatment effect and the survival rate of patients are improved.

The invention relates to the technical field of poultry health assessment, in particular to a method for predicting and identifying the high fat deposition risk of the liver of a laying hen based on blood amino acid parameters. The method comprises the following steps: collecting a blood sample when the laying hen is in a metabolic state after absorption, detecting the total amino acid content and the alanine content in blood, and substituting blood parameters into a pre-established liver triglyceride prediction model to obtain the predicted liver triglyceride content, and comparing the prediction results to judge the high fat deposition risk of the liver of the laying hen. According to the method, the laying hens do not need to be slaughtered and sampled, the fat deposition state of the livers of the living laying hens can be rapidly evaluated, and the method is suitable for early screening and risk early warning of high fat deposition of the livers of the laying hens under the large-scale breeding condition.

The present application provides a blood separation method for a sampling needle and a blood cell analyzer, the method comprising: collecting a blood sample through a sampling needle, the blood sample being distributed into multiple sections in sequence in the sampling needle; discarding the first section of the blood sample near the needle head in the sampling needle; allocating a first preset ratio of the blood sample near the first section of the blood sample in the sampling needle to a reticulocyte counting section; allocating a second preset ratio of the blood sample located in the middle section of the sampling needle to a white blood cell counting section and a hemoglobin / red blood cell counting section; and allocating a third preset ratio of the blood sample near the end of the sampling needle to a white blood cell classification counting section. The blood separation method for a sampling needle and the blood cell analyzer of the present application can allocate multiple blood sections in the sampling needle to appropriate counting sections, thereby improving the measurement performance of the blood cell analyzer.

The invention relates to the field of prevention and treatment of physical allergy of infants, in particular to a construction method of an animal model for allergy of infant nutrition rice flour food. The method includes: 1, adaptively feeding experimental animals in multiple groups randomly according to weights; 2, in the first day to the seventh day, different test adjuvants are used for experiments on each group of experimental animals, one group of experimental animals is subjected to negative blank control without adjuvants, and the other groups are divided into different small groups according to different test substances; the animals are fed regularly and quantitatively every day, a negative blank group is fed with a basic liquid feed agent without adjuvant matching, and the other groups are fed with liquid feed with the same amount containing 0.5 mL of immunologic adjuvant solution; 3, allergy excitation is conducted at 9: 00 a.m. on the eighth day, a blank group is fed with 5 g of purified water, the other groups are fed with 5 g of infant nutrition rice flour liquid feed, animal clinical allergic symptoms are observed, and blood and tissue samples are collected; killing the animal, and collecting a blood sample; the experimental animal is preferably an SPF (specific pathogen free) level female Wistar rat with the weight of 45-65 g and the age of 3 weeks.

Blood sample optimization systems and methods are described that reduce or eliminate contaminates in collected blood samples, which in turn reduces or eliminates false positive readings in blood cultures or other testing of collected blood samples. A blood sample optimization system can include a blood sequestration device located between a patient needle and a sample needle. The blood sequestration device can include a sequestration chamber for sequestering an initial, potentially contaminated aliquot of blood, and may further include a sampling channel that bypasses the sequestration chamber to convey likely uncontaminated blood between the patient needle and the sample needle after the initial aliquot of blood is sequestered in the sequestration chamber.

This application relates to a sample analyzer and a sample analysis method. A sampling distribution module is configured to collect blood samples and allocate a portion of the collected blood samples to an erythrocyte sedimentation rate (ESR) detection module. The ESR detection module's optical detection device detects the ESR of the blood sample by detecting the degree of light absorption or scattering by a portion of the blood sample. When the detection mode is in the first mode, the control module controls the sampling distribution module to allocate a first amount of the blood sample to the ESR detection module and controls the ESR motor to drive the first amount of the blood sample to the detection location at a first speed. When the detection mode is in the second mode, the control module controls the sampling distribution module to allocate a second amount of the blood sample to the ESR detection module and controls the ESR motor to drive the second amount of the blood sample to the detection location at a second speed. The second amount is smaller than the first amount, and the second speed is smaller than the first speed. This ensures that the precision of the ESR detection remains essentially constant under different blood volumes.

Disclosed are a blood analysis system, method, device, and computer storage medium. The blood analysis system includes: a sample collection device for collecting a blood sample and transferring the blood sample to a sample preparation device; a sample preparation device for processing the blood sample using a reagent to prepare a sample solution to be tested; an impedance detection device for detecting the sample solution to be tested to obtain an impedance pulse signal of cells in the sample solution to be tested; and a data processing device for performing the following steps: obtaining a blood cell histogram of the sample solution to be tested based on the impedance pulse signal, inputting the blood cell histogram into a pre-trained deep learning neural network model to obtain blood cell parameters output by the deep learning neural network model, wherein the blood cell parameters are at least one of the following: a reticulocyte parameter, a reticulocyte platelet parameter, and a red blood cell fragment parameter; and the deep learning neural network model is obtained by training blood training samples labeled with blood cell parameters using a machine learning algorithm.

The invention discloses a malaria pathogen detection system based on an improved YOLO algorithm. The malaria pathogen detection system comprises a blood sampling module, a microfluidic processing module, a microscopic imaging module, an AI analysis module and a display screen, the blood sampling module is used for quickly collecting a blood sample from a fingertip; the microfluidic processing module is used for integrating a thin film heater and accurately controlling the temperature of a sample; the microscopic imaging module is used for integrating a Raspberry Pi HQ Camera module and an automatic focusing motor MEMS (Micro Electro Mechanical System) micromirror, and converting a blood sample into a digital image through a high-precision lens and a dynamic focusing function; the AI analysis module is used for internally arranging an improved lightweight YOLO algorithm and carrying out efficient image processing and real-time pathogen detection in the equipment; and the display screen is used for outputting a real-time detection result and confidence in a two-stage display mode by using an OLED (Organic Light Emitting Diode) screen. According to the invention, the accuracy of disease detection is obviously improved.

The invention discloses a cardiovascular and cerebrovascular disease screening system and method based on collaborative acquisition, relates to the technical field of screening data, and is used for solving the problem of triggering logic separation, completing preliminary screening according to a preset screening rule by calling family history information in an electronic health record, marking a target user and accessing a screening evaluation mechanism, and obtaining a screening result. If not, a risk mark is directly generated, carotid plaque ultrasonic imaging and hemodynamic monitoring are carried out on the target user, plaque density parameters are calculated and fused with hemodynamic data to form user state feature values, the user state feature values are classified as abnormal users, and blood samples are collected through a biological index calibration module; the erythrocyte distribution width and the brain natriuretic peptide hormone content are detected, the erythrocyte mutation rate is calculated, the brain natriuretic peptide is combined to generate the calibration proportion, the state characteristic value is corrected, the corrected characteristic value is formed and compared with the risk threshold value to generate the risk mark, the risk screening accuracy and sensitivity are improved, and the omission ratio and the misjudgment rate are reduced.

A method of analyzing a blood sample from a subject includes loading the blood sample into a single chamber; acquiring, via an imaging system, a stack of serial focal plane images of the blood sample from a plurality of fields of view of the chamber; creating a virtual three dimensional image of the blood sample from selected ones of the stacks of serial focal plane images; and analyzing the virtual three dimensional image to identify blood formed elements within the blood sample. Identifying blood formed elements within the blood sample may include identifying a type and amount of white blood cells, and / or identifying an amount of red blood cells and / or hematocrit, and / or identifying an amount of platelets. Identifying blood formed elements within the blood sample may include determining numbers and percentage by volume in the blood sample of one or more types of white blood cells.

The present invention provides a blood analyzer, which comprises: a sampling distribution module, which comprises a sampling device for collecting a blood sample and a sample separation device, the sampling device comprises a sampling needle and a first power device, the first power device is used for driving the sampling needle to collect the blood sample, and the sample separation device is used for separating the blood sample from the sampling needle; and the sample separating device is used for distributing the collected blood samples to different detection modules. The isolation air column is arranged between the sampling needle and the diluent, so that the blood sample is diluted as little as possible, and the measurement precision is improved.

1. The name of the product of this design: blood collection pen. 2. Purpose of this design product: This design product is a device for collecting blood samples. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The utility model relates to the technical field of blood concentration detection, and discloses a blood concentration mass spectrum detection auxiliary device, which comprises a main body, four corners of the bottom of the main body are respectively and fixedly connected with a support rod, and the main body is provided with a refrigeration storage mechanism. According to the utility model, by starting the four semiconductor chilling plates, the cold energy generated by the cold ends of the semiconductor chilling plates is transmitted to the cold conduction copper block, and the cold conduction copper block transmits the cold energy into the storage cavity, so that the temperature of the storage cavity is reduced, a blood sample on the object placing plate is uniformly cooled, and the uniformity of the sample storage temperature is ensured; the device is simple in structure and convenient to operate, instability of medicine components in a sample due to temperature difference is avoided, medicine degradation, deterioration or chemical reaction is effectively prevented, the accuracy of a detection result is ensured, the electric hydraulic cylinder is started to drive the storage plate to move up and down, the height of the storage plate can be conveniently adjusted, the blood sample can be conveniently placed and taken, and the operation convenience is improved.

The invention relates to a method for protecting liver from programmed necrosis caused by aniline by melatonin, and belongs to the technical field of melatonin liver protection, the method comprises the following steps: S1, establishing an aniline exposure model, randomly dividing experimental animals into a control group and an aniline exposure group, and applying aniline to the aniline exposure group through intragastric administration for 14 days; s2, melatonin is given to the intervention group through intragastric administration for 14 days; s3, liver function detection: after the experiment is finished, collecting a blood sample; s4, histopathologic analysis: after the animals are killed, taking liver tissues for HE staining, and observing the morphological change of liver cells; s5, observing a mitochondrial structure; s6, programmed necrosis protein detection; s7, intestinal barrier function analysis; and S8, FXR activation verification is carried out. The melatonin is used for improving the barrier function of the intestinal tract, regulating the composition of intestinal flora and cutting off damage signal transmission of the intestinal liver axis to the liver, so that the liver is protected from programmed necrosis damage caused by aniline in multiple dimensions.

The present invention provides a blood analyzer comprising: a sampling and distribution module, including a sampling device for collecting blood samples and a sample separation device, the sampling device including a sampling needle and a first power device, the first power device being used to drive the sampling needle to collect the blood sample, and the sample separation device being used to distribute the collected blood sample to different detection modules. An isolation gas column is provided between the sampling needle and a diluent to minimize dilution of the blood sample, or the erythrocyte sedimentation rate detection module is positioned stationary relative to the sampling needle, thereby shortening the connecting pipeline between the two and reducing blood sample loss, thereby improving measurement accuracy.

The utility model relates to the technical field of medical care clothes, in particular to a multifunctional strait-jacket. A plurality of openings are formed in the front surface of the strait-jacket body and used for auxiliary fixing of pipelines or electrocardio wires. The restraining glove is connected with a sleeve, a fixing plate used for fixing the hand shape is arranged in the restraining glove, an opening is formed in the edge portion of the restraining glove, and a glove body with five finger openings is fixedly arranged in the restraining glove located on the fixing plate and used for independently limiting the five fingers of a patient, and the finger portions can be exposed. According to the utility model, the constraint gloves and the constraint clothes are integrally designed, the bending movement of the fingers is limited through the fixing plate, threading and fixing are facilitated through a plurality of cross-shaped openings, the situation that a plurality of electrocardio wires are disordered and staggered and are difficult to comb is reduced, and the working efficiency is improved. And the damage risk caused by mistaken pulling and mistaken pulling of the electrocardio wire due to misoperation or struggling is reduced.

A blood sampler (1) for taking a blood sample from a finger (61), comprising: a clip (2) having a first opening (21) for defining a space (20) for receiving at least a portion of the finger (61) and for attaching a vial (3) for receiving the blood sample; and at least one lancet holder (5) for receiving a lancet system (4) including a lancet (43) for cutting at least a portion of the finger when at least a portion of the finger is in the space (20), located inside or on the clip (2) but different from the first opening (21).

1. The name of the product of this design: Blood collection tube (for veterinary use). 2. Purpose of this design product: used for collecting blood samples from animals. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture. 5. The rear view is the same as the front view, so the rear view is omitted; the left view is the same as the right view, so the left view is omitted.

The invention provides a blood sample quantitative extraction device, and relates to the field of medical instruments. The quantitative blood sample extraction device comprises an extraction structure, a collection structure is arranged at the lower end of the extraction structure, and the upper end of the collection structure is detachably connected with the lower end of the extraction structure. By arranging an extraction structure, during use, a screw rod is driven to rotate by rotating a rotary cover, a piston plate is driven to move upwards by utilizing a threaded connection relationship between the screw rod and a connecting disc, and the amount of an internal collected blood sample is adjusted by matching with a graduated scale on the side wall of a sleeve; and in cooperation with the material characteristics of a first sealing gasket, a second sealing gasket and a third sealing gasket, it can be guaranteed that the device is not affected by the outside after collection and in the collection process, the safety in the collection process is guaranteed, after collection is completed, a positioning rod is pressed downwards, rotation of a rotating cover is limited, and the collection efficiency is improved. And the risk of tampering the internal samples in the transportation process can be avoided.

The application discloses a blood analyzer and a detection method thereof, wherein the blood analyzer comprises a sampling module, a routine blood test module and a specific protein detection module; wherein: the sampling module is used for collecting a blood sample, and the blood sample is added to the routine blood test module; the routine blood test module is used for diluting the blood sample; the sampling module adds the diluted blood sample to the specific protein detection module; and the specific protein detection module is used for detecting specific proteins in the diluted blood sample. Through the above mode, the blood sample is diluted by the routine blood test module, so that the specific protein concentration of the blood sample is prevented from being too high, and the accuracy of the blood analyzer detection is improved.

A sampling barrel is connected with a sampling device through a threaded structure, a blood sampling assembly is located at the bottom of the sampling device, the sampling device comprises a connecting barrel, connecting rods are arranged on the upper side and the lower side of the connecting barrel, and a rubber pad is clamped to the bottom of the connecting rod located on the lower side; a connecting plate is clamped to the bottom of the rubber pad, the blood sampling assembly is located at the bottom of the connecting plate and comprises a fixing cylinder, sliding grooves are formed in the two sides of an inner cavity of the fixing cylinder, sliding blocks are arranged in the sliding grooves, springs are connected to the bottoms of the sliding blocks, limiting cylinders are fixedly connected to the bottoms of the springs, and blood sampling needles are connected to the bottoms of the springs; an arc-shaped limiting groove is formed in the outer side of the fixing cylinder, and a limiting column connected with the arc-shaped limiting groove is connected to the spring. Compared with the prior art, the blood sampling device has the advantages that the sampling barrel and the blood sampling needle are combined, blood sampling can be better carried out on a patient, the cost is saved, and meanwhile the practicability is improved.