14 results about "Blood donor" patented technology

The invention discloses blood component single sampling equipment capable of monitoring in real time in the field of blood treatment equipment. The equipment comprises a blood sampling module, a centrifugal separation module, a component collection module and an anticoagulant conveying module, and further integrates a multi-dimensional real-time monitoring system and a closed-loop self-adaptive regulation and control module. The multi-dimensional real-time monitoring system comprises an online micro-fluidic component detection unit, a physiological parameter monitoring unit and an equipment operation monitoring unit, can realize real-time online detection of blood component purity, cell activity and pollutant residue in the separation process, and synchronously monitors circulation physiological parameters of a blood donor and an equipment operation state at the same time; the closed-loop self-adaptive regulation and control module can dynamically adjust parameters such as the centrifugal rotating speed, the fluid pump speed and the anticoagulant ratio according to real-time monitoring data, and precise closed-loop control over the separation process is achieved. The quality stability of blood single-sampling components can be remarkably improved, meanwhile, the operation risk is greatly reduced, and the method is suitable for clinical blood component single-sampling and preparation scenes.

The invention provides a double-position centrifugal plasma purification system, and belongs to the technical field of plasma purification. Comprising a plasma collection system, a plasma adsorption system and a liquid feedback system, the plasma collection system and the liquid feedback system are both connected with a blood supplier to form a blood closed-loop conveying loop, and the plasma adsorption system is connected with the plasma collection system and the liquid feedback system; the plasma collecting system comprises two centrifugal machines and further comprises a back-flushing cleaning system, and the two centrifugal machines are alternately connected with the plasma collecting system and the back-flushing cleaning system through a first control valve and a second control valve. The centrifugal machine after each round of blood separation is flushed through the backflushing cleaning system, blood residues in a container of the centrifugal machine are avoided, free hemoglobin rising caused by long-time centrifugation of blood components is avoided, and the effect of improving the safety and reliability of the blood purification process is achieved.

A blood component sampling cassette which can be more efficiently manufactured at lower cost as compared to a typical cassette, a blood sampling circuit set, and a blood component sampling system. A blood component sampling cassette (22) includes a cassette main body (23) made of a soft material to which heat sterilization is applicable. The cassette main body (23) is provided with a retransfusion line (44). The retransfusion line (44) is provided with a reservoir (47) configured to temporarily store a blood component to be returned to a blood donor. The reservoir (47) is pressed by a retransfusion pump (49) to discharge the blood component from the reservoir (47).

The invention discloses a HIV (human immunodeficiency virus), HBV (hepatitis B virus), HCV (hepatitis C virus) and TP (total protein) hypersensitive detection kit and detection method based on a digital PCR (polymerase chain reaction) platform. The kit comprises a primer and a probe, the design of the primer and the probe is optimized, and the molecular detection system has higher sensitivity by utilizing high affinity and strong mismatch recognition capability of the LNA probe, so that a single copy can be detected. The method possibly has huge potential in the aspects of large-scale screening and clinical diagnosis of blood donors and epidemiological research of pathogens.

The utility model relates to the field of medical auxiliary equipment, in particular to a relieving device for plasma collection, which comprises a seat and an air pipe, an air pump is mounted in the seat, a controller is mounted on a handrail of the seat and is in wired connection with the air pump, a fixing plate is arranged on the seat, a fastening sliding hole is formed in the fixing plate, and the air pipe is connected with the air pump. A relieving air bag is slidably connected into the fastening sliding hole, one end of the air pipe is communicated with the air pump, the other end of the air pipe is communicated with the relieving air bag, and an adjusting assembly used for moving the fixing plate back and forth is arranged on the seat. By means of the air pump and the air pipe which are used for conveying air to the relieving air bag, a blood drawing person can adjust the air pressure in the air bag through the controller according to the feeling of the person, so that the appropriate gripping force is achieved, people with different gripping forces can use the relieving air bag to conduct the gripping action, and the applicability of the device is optimized.

The invention relates to the field of data security, and particularly discloses a blood donor personal information security storage and access management method based on cloud computing, which comprises the following steps of: 1, performing full-link protection on the personal information of a blood donor by adopting a three-layer encryption architecture; 2, extracting a gene sequence, combining the gene sequence with the identity identification information, and generating an encryption key through Hash operation; 3, adopting a fusion access control model based on roles and attributes; 4, triggering secondary authentication for the account exceeding the threshold value; 5, calling the identity identification information to carry out biological identification authentication, and accessing the corresponding encrypted information after the biological identification authentication is passed; according to the method, high-risk access is identified by combining historical behaviors and a risk scoring mechanism of a network environment, and threats such as account embezzlement are intercepted through differentiated processing; the uniqueness of biological recognition and a multi-person verification mechanism of family combination authentication solve the problem that traditional passwords are easy to leak, prevent a single person from abusing authority, and realize consideration of security storage and practicability of personal information.

The utility model relates to the field of medical instruments, in particular to a blood matching test tube rack for clinical blood transfusion. Comprising a base, a fixing plate, a separation frame, a fixing block, an adjusting lead screw and an identification mechanism. A plurality of first placing holes and two first sliding grooves are formed in the upper side of the base, a fixing plate is arranged on the upper side of the base, a plurality of second placing holes and two second sliding grooves are formed in the upper side of the fixing plate, and the first placing holes and the first sliding grooves of the base correspond to the second placing holes and the second sliding grooves of the fixing plate in a one-to-one mode. The first containing holes and the second containing holes are evenly distributed in three rows and multiple columns, two separation frames are arranged in the second sliding groove of the fixing plate in a sliding mode, the separation frames are connected with the first sliding grooves in a sliding mode, and fixing blocks are arranged on the front sides of the separation frames. The sizes of the blood donor test tube area, the cross blood matching test tube area and the blood acceptor test tube area can be flexibly adjusted through the matching of the separation frame and the adjusting screw rod, so that the test tube rack is suitable for different clinical scene requirements and avoids confusion of test tubes.

A method for collecting plasma includes receiving donor information and demographic information and determining a target volume of plasma to collect based, at least in part, on the received donor information. The method also determines a plasma collection protocol based, at least in part, on the received donor information. The plasma collection protocol has a plurality of collection parameters and a plurality of process parameters. The method may then adjust at least one of the plurality of collection parameters and / or the plurality of process parameters based on the donor information and / or the demographic information. The method also performs a plasma collection procedure according to the determined plasma collection protocol and adjusted collection parameters and / or process parameters. The plasma collection procedure has a plurality of draw cycles and a plurality of return cycles.

A system for minimizing a residual blood value via a plasma rinseback includes a collection bag, a return reservoir, one or more pumps, and one or more lines. The collection bag is configured to store plasma collected from a donor during a donation process. The return reservoir is configured to collect fluid remaining in the system after the donation process is complete. The one or more pumps are configured to be actuated between an operational state and a nonoperational state during the donation process and the plasma rinseback. The one or more lines are configured to couple the collection bag, the return reservoir, the one or more pumps, and the donor. The system is configured to complete the plasma rinseback to return fluid within the system to the donor after the donation process is complete.

The invention discloses a centrifugal belt type blood cell separation detection system and detection method, and belongs to the technical field of blood cell detection.The method comprises the steps that an initial optimal control track is planned and generated according to a state baseline and physiological indexes of a blood donor; tracking an actual separation trajectory, comparing the actual separation trajectory with the initial trajectory, and quantizing to generate a real-time dynamic deviation vector; when the deviation exceeds a dynamic threshold value, performing causal attribution analysis to generate a deviation attribution weight matrix; performing iterative fine tuning on the control instruction according to an attribution result until convergence, and outputting a closed-loop steady-state control flow field to execute compensation; and finally, evaluating and collecting performance, constructing a digital twinning process resume, and feeding back a function mapping relation of an optimization system. According to the method, a cooperative control strategy integrating prediction planning, real-time tracking, causal attribution, dynamic compensation and learning optimization is adopted, and intelligent detection and control of precision, self-adaption and continuous optimization of the blood cell separation process can be achieved.

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.

A method for collecting plasma includes receiving donor information and demographic information and determining a target volume of plasma to collect based, at least in part, on the received donor information. The method also determines a plasma collection protocol based, at least in part, on the received donor information. The plasma collection protocol has a plurality of collection parameters and a plurality of process parameters. The method may then adjust at least one of the plurality of collection parameters and / or the plurality of process parameters based on the donor information and / or the demographic information. The method also performs a plasma collection procedure according to the determined plasma collection protocol and adjusted collection parameters and / or process parameters. The plasma collection procedure has a plurality of draw cycles and a plurality of return cycles.

This application discloses a method, device, medium, and program product for managing plasma donor fatigue recovery, addressing the problem in existing technologies where individual physiological responses of different plasma donors during plasma donation are not considered, leading to fatigue recovery predictions that deviate from individual realities and a lack of targeted intervention timing and content. The method includes: acquiring stressor time-series data and individual digital profiles of plasma donors; characterizing the donor's sensitivity to anticoagulant metabolism and fatigue recovery ability based on the stressor time-series data and individual digital profiles; predicting the plasma donor's fatigue recovery trajectory after plasma donation based on the stressor time-series data and individual digital profiles; determining at least one intervention time point based on the fatigue recovery trajectory, and pushing fatigue recovery guidance information to the plasma donor at the intervention time point.