13 results about "Cross matching" patented technology

The invention discloses a risk assessment system for difficulty in cross matching of blood, and relates to the technical field of clinical medical examination and blood transfusion management. The system comprises a data input module, a risk calculation module, a risk layering module and a result output and suggestion module. The data input module obtains key information of a patient, wherein the key information comprises an erythrocyte irregular antibody screening result, multiple myeloma diagnosis, hematology department medical history, age of more than or equal to 60 years, pregnancy-related disease state and blood type identification difficulty; the risk calculation module adopts a preset scoring algorithm to endow each factor with a weight and calculates a total risk score; the risk layering module divides the patients into three levels of low risk, medium risk and high risk; and the result output module provides differentiated clinical management paths corresponding to the risk levels. According to the method, early warning of difficulty in cross matching of blood is achieved through quantitative evaluation, blood transfusion process efficiency can be optimized, clinical risks can be reduced, and the method has good prediction performance (AUC = 0.819) and a high negative prediction value (93.7%).

The utility model discloses a blood transfusion cross-matching inspection test tube rack, which particularly relates to the technical field of medical equipment and comprises a bottom plate, a fixing frame is fixedly arranged at the top of the bottom plate, a limiting groove is formed in the surface of the bottom plate, a limiting block is clamped in the limiting groove, and a movable frame is fixedly arranged at the top of the limiting block. Two shells are arranged between the fixed frame and the movable frame, clamping mechanisms are fixedly arranged in the two shells, each clamping mechanism comprises a sponge layer fixedly arranged in the corresponding shell, a plurality of placement grooves with different hole diameters are formed in the surface of each sponge layer, a plurality of test tube holes with different hole diameters are formed in the surface of each shell, and the test tube holes are communicated with the placement grooves. The test tube holes correspond to the placement grooves in position, and a partition plate is fixedly arranged at the top of the sponge layer. According to the test tube rack, test tubes with different sizes can be conveniently fixed, the test tubes can be conveniently taken and used, meanwhile, the heights and angles of the test tubes can be conveniently adjusted, and the reaction of solvents in the test tubes can be better observed.

1. The name of the design product: full-automatic blood type analyzer. 2. The use of the design product: using column agglutination method, together with the matching detection reagent, for ABO system blood type typing, Rh system blood type typing, irregular antibody screening, cross matching and direct anti-human globulin test on human blood samples in clinical application. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The application discloses a risk assessment system for cross matching difficulty, and relates to the technical field of clinical medical examination and blood transfusion management. The system comprises a data input module, a risk calculation module, a risk stratification module and a result output and suggestion module. The data input module obtains key information of a patient, including irregular red blood cell antibody screening results, multiple myeloma diagnosis, hematology department medical history, age of 60 years or older, pregnancy-related disease state and blood type identification difficulty; the risk calculation module adopts a preset scoring algorithm to assign weights to each factor and calculate a total risk score; the risk stratification module divides the patient into three grades of low risk, medium risk and high risk; and the result output module provides a differentiated clinical management path corresponding to the risk grade. The application realizes early warning of cross matching difficulty through quantitative assessment, can optimize the efficiency of the blood transfusion process and reduce clinical risk, has good prediction performance (AUC=0.819) and a high negative predictive value (93.7%).

The invention relates to the field of biological detection, and particularly discloses a method and a kit for determining platelet antibodies and cross-matching types by a chemiluminescence method. The detection method comprises the following steps: firstly, adding tool platelets / donor platelets into a reaction hole, adding a sample to be detected and magnetic bead particles coated with platelet antibodies into the reaction hole, and incubating to obtain an immune complex; mixing the immune complex with an acridinium ester labeled anti-human IgG antibody, and incubating to obtain a reaction complex; and mixing the reaction compound with a pre-excitation liquid and an excitation liquid of acridinium ester in sequence, carrying out a chemiluminescence reaction, and calculating the concentration of the platelet antibody in the sample to be detected. The kit not only can be used for effectively screening platelet antibodies in a to-be-detected plasma sample, but also can be used for carrying out cross-matching detection before platelet infusion, so that a more accurate basis is provided for evaluating the platelet infusion effect and formulating a treatment scheme.

The invention discloses a blood group reagent quality control kit and application thereof, the blood group reagent quality control kit comprises a plurality of independently subpackaged composite quality control products, and each quality control product simultaneously comprises quality control red blood cells with known antigen spectra and quality control plasma with known antibody spectra; the quality control red blood cells are human red blood cells with known ABO blood type, RhD blood type and Rh haplotype; the quality control plasma contains blood group antibodies with known specificity and immune globulin types, and the blood group antibodies comprise IgM antibodies and / or IgG antibodies. The invention also discloses application of the blood group reagent quality control kit in indoor quality control of blood group serology detection and an indoor quality control method of blood group serology detection. The kit provided by the invention can realize integrated and efficient detection, and synchronously complete indoor quality control of a plurality of core items such as blood type identification, antibody screening, cross matching of blood and the like.

The utility model relates to the field of medical instruments, in particular to a plastic blood bag. The blood bag comprises various models and is characterized in that heat seal sites are marked on the blood collection tube and the transfer tube, and identifiable marks are attached to the bag body. Heat sealing is carried out according to heat sealing sites, the blood collection tube and the transfer tube can be subjected to heat sealing to form the standard length, and it is guaranteed that the blood volume in a heat sealing section meets the blood sample preservation and later-stage cross blood matching requirements; the identification attached to the bag body is automatically identified, so that the blood bag information can be directly input into a blood management information system, and the risk that the blood bag information is input mistakenly is avoided.

The invention belongs to the technical field of red blood cell washing, and particularly relates to full-automatic constant-temperature red blood cell washing equipment for cross blood matching and red blood cell inspection, which comprises a washing equipment body with a constant-temperature function and a partition plate arranged in the washing equipment body, after the washing container is clamped and fixed through the linkage turnover mechanism, the linkage turnover mechanism can drive the clamped and fixed washing container to rotate by a certain angle under the action of a linkage toothed plate in the process of driving the linkage turnover mechanism to stretch out and draw back left and right through the stretching mechanism; the inclination angle of the washing container can be adjusted to meet different centrifugal requirements, in the process that the stretching mechanism and the washing container are driven by the rotary driving mechanism to rotate for centrifugation, the stretching mechanism is controlled to do reciprocating telescopic motion to control the washing container to swing back and forth, and the washing effect is improved through composite motion of rotary centrifugation and reciprocating swing. And the centrifugal efficiency and the washing effect can be greatly improved.

The utility model relates to the technical field of test tube racks, in particular to a test tube rack for cross matching of blood, which comprises a base and a storage component, and the storage component comprises a turntable, an upright post, a limiting plate, a connecting plate, a recording component and a supporting plate; the base is used for placing the device, the limiting plates are arranged on the stand column in a two-layer mode to form one group, six groups are arranged, at most six groups of experiments can be placed at the same time, four hole positions for placing test tubes are formed in each limiting plate, and a recording component is arranged at the end, away from the stand column, of each limiting plate and used for recording data of one group of experiments. The device is simple in structure and convenient to use, one group needing to be taken faces a user when the device is used, and the problems that in the using process of an existing device, it is inconvenient to quickly classify each group of experiments, each test tube needs to be independently marked, and operation is tedious are solved.

The utility model discloses a reagent classification storage frame special for blood transfusion laboratory, reagent classification storage frame special for blood transfusion laboratory includes setting on the first storage area of base, second storage area, third storage area and fourth storage area, set at least one first installation groove for the installation irregular antibody screening cell reagent on the first storage area, set at least one second installation groove for the installation blood type reverse type reagent on the second storage area, set at least one third installation groove for the installation blood type positive type and Rh (D) blood type type reagent on the third storage area, and the fourth storage area is provided with the fourth installation groove for the installation agglutination amine cross matching blood reagent, the utility model discloses four storage areas and sets up the installation groove of corresponding specification reasonably, realizes the orderly classification and fixed placement of reagent, effectively avoids the risk of reagent bottle falling and taking confusion, simultaneously, through the corresponding design of name mark and installation groove, further improves the accuracy and efficiency of reagent taking.

The invention discloses an adjustable sampling device for cross blood matching examination, and relates to the technical field of medical instruments, the adjustable sampling device comprises a device main body, the top of the interior of the device main body is rotatably provided with a bidirectional screw rod, and one side of the top of the device main body is fixedly provided with a first servo motor; a transmission gear is fixedly installed at the output end of the first servo motor, a driven gear is fixedly installed on the outer side of the bidirectional lead screw and meshed with the transmission gear, a limiting rod is fixedly installed in the device body and located above the bidirectional lead screw, and two first sliding blocks are installed on the outer side of the bidirectional lead screw in a threaded mode. The device has the beneficial effects that the position of the dropper can be automatically adjusted according to the positions of the placed test tubes filled with serum of a blood supplier and a blood receiver and unused test tubes in the blood cross matching process, then the serum of the blood supplier and the blood receiver is sampled and then dropped into the test tube to be dropped, and the serum of the blood supplier and the blood receiver can be sampled and inspected at the same time; the working efficiency is high.

An intelligent auxiliary test tube rack for blood transfusion and cross matching comprises a base arranged at the bottom and a tube rack assembly arranged on the base, the tube rack assembly comprises a box body, a test tube barrel, a test tube cavity, a rubber pad, a fastening assembly and an auxiliary part, the box body is arranged at the top end of the base, the test tube barrel is arranged in the middle of the box body, the test tube cavity is formed in the test tube barrel, and the rubber pad is arranged in the test tube cavity. A fastening assembly is arranged slightly below the middle of the test tube barrel, an auxiliary part is arranged at the top of the inner side of the test tube barrel, the fastening assembly comprises a main piston barrel, an arc-shaped fastening rubber block, a groove and a touch switch, the main piston barrel is embedded in the box body, a first piston is installed in the main piston barrel, and a first piston rod is installed in the middle of the top end of the first piston; the test tube fixing device is novel in structure and ingenious in conception, test tubes for a cross blood matching experiment can be conveniently and firmly fixed, the problem that the test tubes fall off is effectively prevented, meanwhile, the test tube fixing device is suitable for fixing the test tubes with different diameters, and the applicability is high.

The invention belongs to the technical field of medical tests, and particularly relates to a test device and system for cross matching of blood, the test device comprises a base, a test device main body is fixedly mounted on the base, a bearing seat is fixedly mounted on the inner side of the test device main body, and a circulation seat is fixedly arranged on the bearing seat; a cross cavity is formed in the inner side of the circulation base, a fixing base is fixedly arranged on the bearing base, and a loading mechanism is arranged on the fixing base. A sinking groove formed in the inner side of a collection seat is used for guiding blood in a bottom collection pipe, after the bottom collection pipe completes blood collection, the blood enters the sinking groove due to the downward gravity factor of the blood and automatically flows into a flowing hole formed in the collection seat and located in the inner side of the sinking groove in a penetrating mode, and then the blood is collected through the flowing hole. Along with the flowing of blood, the blood enters the inner side of the cross cavity to realize a closed blood cross test, so that the accuracy of blood cross test data is ensured.