11 results about "Erythrocyte sedimentation" patented technology

A system for measuring erythrocyte sedimentation rates in blood samples is described having a support for a tube containing a blood sample, an agitating element to agitate the tube, a detection unit to perform an optical measurement on the blood sample, moving means to cause movement between the detection unit and the tube during the optical measurement, and a processing unit to process signals from the detection unit. The processing unit creates a reading curve corresponding to the absorption of radiation emitted by the detection unit as a function of the relative movement between the detection unit and the tube and defines an ideal trapezoidal curve to approximate the reading curve to generate an optimized ideal curve, and generate a value indicative of the erythrocyte sedimentation rate of the blood sample in the tube. The system also includes output means to output measurement results based on the generated values.

The present invention relates to a blood processing module for an automatic blood viscosity measuring device, and more particularly, to a blood processing module for an automatic blood viscosity measuring device, which can completely prevent erythrocyte sedimentation that may occur during waiting by scanning blood collection tube information by scanning and mixing blood samples by rotating the blood collection tube by 360 degrees, and further, can accurately measure blood viscosity of the blood collection tube. According to the blood processing module for the automatic blood viscosity measuring device, secondary mixing of blood is achieved by sucking and packaging the blood through a pipette suction head, and therefore the accuracy of blood viscosity measurement can be improved by evenly mixing blood samples.

Disclosed are methods, materials and devices for approximation of blood volume in a fluid, such as in a biological fluid collected during a surgical procedure. The method and devices may include the use of an RBC flocculant, for example polyDADMAC, and an approximate blood hematocrit from the type of animal blood being evaluated, as well as a calculated RBC packing ratio corresponding to the collection device being used. Also provided is a Blood Indicator Panel (BIP), comprising a series of markings calculated from an observed red blood settlement volume, the average animal blood hematocrit, and a calculated RBC packing ratio “η” value for the collection device. A collection device with a BIP is disclosed. Pediatric (about 200 ml or 250 ml size container), adult human (about 1,000 ml-1,500 ml) and veterinary (about 500 ml-2,500 ml) collection containers are also disclosed, that include a RBC flocculant, for use in approximating blood volume in a fluid.

The utility model discloses a blood sedimentation detection frame belongs to medical detection equipment technical field, include: blood sedimentation tube, rotating base, blood sedimentation observation frame, assembly structure and flatness adjusting structure, the blood sedimentation tube is by transparent test tube and can dismantle and install rubber test tube cap at the top of transparent test tube constitution, the rotating base contains the horizontal setting cylindrical support seat, the upper surface center position of support seat is equipped with the round groove, the round groove is rotated and is installed with the carousel through the bearing, the inside setting of support seat has the drive assembly of drive carousel rotation. The utility model discloses a blood sedimentation detection frame has the following advantages: utilize test tube insertion groove and test tube avoidance groove and can preliminarily position blood sedimentation tube, the cooperation of the inside diameter of clamping cylinder and rubber test tube cap, the sustained elastic compensation of cooperation tension spring, effectively eliminates the angle deviation problem existing in traditional clamping slot type positioning, test tube keeps absolute vertical, ensures the authenticity of red blood cell sedimentation trajectory.

The invention belongs to the technical field of medical equipment, and discloses a full-automatic dynamic erythrocyte sedimentation analyzer which comprises a shell, a processor and a detection mechanism are arranged in the shell, a display screen is integrated on the surface of the shell and used for displaying an operation interface and detection data, a sample pore plate is arranged at the top of the shell, and the sample pore plate is connected with the processor and the detection mechanism. A plurality of test tube holes are formed in the sample pore plate, the sample pore plate is used for placing to-be-detected sample test tubes, the detection mechanism is used for scanning and detecting blood samples and transmitting detection data to the processor, and the processor displays the detection data on the display screen in a report form. Multi-point real-time scanning is carried out on the erythrocyte sedimentation process in the test tube through the ultraviolet emitter and the ultraviolet receiver on the detection plate, the detection plate is driven by the lifting assembly to move back and forth along the test tube, continuous dynamic monitoring at different heights is achieved, and data collection comprehensiveness and result precision are remarkably improved.

Provided is a blood processing module for an automatic blood viscosity measurement device, and more specifically, a blood processing module for an automatic blood viscosity measurement device which scans blood collection tube information through scan, mixes a blood sample by rotating a blood collection tube 360° to completely prevent an erythrocyte sedimentation phenomenon that may occur during waiting time, and furthermore, can improve accuracy of blood viscosity measurement through uniform mixing of the blood sample by sucking and dispensing blood by using a pipette tip to achieve secondary mixing of blood.

The utility model discloses an erythrocyte sedimentation rate analysis device which comprises an analysis device body, a protection mechanism and a buffer mechanism, the protection mechanism is installed on the outer side of the analysis device body, the protection mechanism comprises a protection shell, a support is arranged in the protection shell, an anti-skid pad is installed on the support, the analysis device body is installed on the anti-skid pad, and a plurality of sliding bins are installed in the protection shell. A first sliding block is installed in the sliding bin in a sliding mode, a hinge rod is installed between the support and the first sliding block in a hinged mode, the buffering mechanism is installed on the protective shell, a first spring is installed between the first sliding block and the sliding bin, and second sliding blocks are installed on the two sides of the support. According to the erythrocyte sedimentation analysis device disclosed by the utility model, through the arrangement of corresponding mechanisms, the blood gas analyzer is provided with an anti-falling mechanism, so that the analyzer cannot be greatly damaged even if an experimental environment is relatively complex and the analyzer falls off due to the influence of external force, and the influence on a blood measurement result can be greatly reduced.

The invention discloses an umbilical cord blood-derived mononuclear cell as well as a preparation method and application thereof. The preparation method comprises the following steps: collecting whole blood of umbilical cord blood, uniformly mixing the whole blood of the umbilical cord blood with erythrocyte sedimentation liquid, and centrifuging to obtain mononuclear cells from the umbilical cord blood; the erythrocyte sedimentation liquid contains succinyl gelatin. According to the preparation method of the umbilical cord blood-derived mononuclear cells, the recovery rate of the umbilical cord blood mononuclear cells is effectively improved and reaches 87% or above, the problem that the recovery rate of the mononuclear cells is low in the prior art is solved, and the utilization efficiency of umbilical cord blood resources is improved.

The present application relates to a blood sedimentation measurement method, a sample analyzer and a sample analysis system. A sample to be measured is sucked from a test tube containing the sample to be measured after a mixing operation, at least a part of the sample to be measured is transported to a detection line and stopped in the detection line; the sample to be measured stopped in the detection line is irradiated with light, and information of transmitted light or information of scattered light scattered by the sample to be measured is obtained; a red blood cell aggregation parameter of the sample to be measured is obtained based on the information of transmitted light or the information of scattered light; the sample to be measured in the test tube is allowed to stand for a predetermined period of time from a predetermined time after the mixing operation, so as to obtain a red blood cell sedimentation parameter of the sample to be measured, and the predetermined period of time is not more than 20 minutes; and a red blood cell sedimentation rate of the sample to be measured is calculated based on the red blood cell aggregation parameter and the red blood cell sedimentation parameter. Thus, an accurate red blood cell sedimentation rate can be quickly obtained.

The invention relates to an erythrocyte sedimentation measuring method, a sample analyzer and a sample analysis system. Sucking the to-be-detected blood sample from the test tube filled with the to-be-detected blood sample subjected to the uniform mixing operation, conveying at least one part of the to-be-detected blood sample to the detection pipeline, and enabling the part of the to-be-detected blood sample to stop flowing in the detection pipeline; irradiating the to-be-detected blood sample which stops flowing in the detection pipeline with light, and acquiring information of transmitted light penetrating through the to-be-detected blood sample or information of scattered light scattered by the to-be-detected blood sample; acquiring erythrocyte aggregation parameters of the to-be-detected blood sample based on the information of the transmitted light or the information of the scattered light; allowing the to-be-detected blood sample in the test tube to stand for a predetermined time period from a predetermined moment after the uniform mixing operation so as to obtain erythrocyte sedimentation parameters of the to-be-detected blood sample, the predetermined time period being not more than 20 minutes; and calculating the erythrocyte sedimentation rate of the to-be-detected blood sample based on the erythrocyte aggregation parameter and the erythrocyte sedimentation parameter. Therefore, the accurate erythrocyte sedimentation rate can be quickly obtained.

Methods, materials and devices for estimating the amount of blood in a fluid, such as a biological fluid collected during surgery, are disclosed. The methods and devices include the use of an RBC flocculating agent, such as poly-DADMAC, and an approximate blood hematocrit for the animal type, and a calculated RBC fill rate corresponding to the collection device used. A blood indication panel (BIP) is also provided, which includes a series of indicia calculated from the observed erythrocyte sedimentation volume, the average animal type hematocrit, and the calculated RBC fill rate "η" value for the collection device. Pediatric (about 200 ml or 250 ml size containers), adult (about 1000 ml - 1500 ml), and veterinary (about 500 ml - 2500 ml) collection containers containing an RBC flocculating agent are also disclosed for use in estimating the amount of blood in a fluid.