81 results about "Plasma bag" patented technology

The invention discloses a blood component separation system and a control method, and belongs to the field of blood separation.The system comprises a centrifugal device, a blood supply pipeline, an air detector valve and a blood pump, a liquid outlet of the centrifugal device is connected with a separation pipeline, and the separation pipeline is sequentially connected with a first plasma bag and a second plasma bag; a centrifugal pressure sensor, a centrifugal high-speed camera and a red blood cell sensor; and the control center comprises a data acquisition module, a data analysis module and a centrifugal control module. The control method comprises steps S1 to S4. Dynamic intelligent regulation and control and automatic control of the blood component centrifugal separation system are achieved, the centrifugal effect is optimized through the image recognition technology, the image recognition technology is superior to the photoelectric recognition technology in the prior art, excessive centrifugation is avoided, meanwhile, the centrifugal quality is guaranteed, and the quality and activity of separated blood components are effectively guaranteed.

The invention relates to the technical field of medical instruments, and discloses an isolation melting device and a pulp melting machine. The isolation melting device comprises a fixed frame which defines a mounting space; the movable support comprises a first support and a second support, one end of the first support is rotatably connected with one end of the second support, and the other end of the first support and the other end of the second support can move towards each other or away from each other; the bag body is provided with a bag opening and is connected with the first bracket and the second bracket; wherein the movable support can move into or out of the installation space, when the movable support moves into the installation space, the installation space limits the first support and the second support, the first support and the second support move oppositely, the bag body shrinks, and the area of the bag opening is reduced; when the movable support moves out of the installation space, the installation space relieves limiting of the first support and the second support, the first support and the second support move away from each other, the bag body expands, and the area of the bag opening is increased. Placement convenience of the plasma bag is improved, and heat exchange efficiency is improved.

The invention discloses cleaning and disinfection line equipment and a process thereof, and the cleaning and disinfection line equipment comprises a feeding mechanism for feeding; the pure water pre-cleaning section is in butt joint with the feeding mechanism and is used for cleaning the plasma bags and removing impurities on the surfaces of the plasma bags; the alcohol spraying and disinfecting section is in butt joint with the pure water pre-cleaning section and is used for disinfecting microorganisms on the surface of the plasma bag; the injection water cleaning section is in butt joint with the alcohol spraying and disinfecting section and is used for washing disinfectants and microorganisms on the surface of the plasma bag again; the blow-drying and air-drying section is in butt joint with the injection water cleaning section and cleans the surface of the plasma bag in an air knife mode; the discharging mechanism is in butt joint with the conveying tail ends of the blow-drying section and the air-drying section, and the plasma bags at the blow-drying section and the air-drying section are carried to a transfer table. By means of the mode, automatic conveying, cleaning, disinfection and blow-drying of the plasma bags are achieved, and the processes of plasma bag cleaning, disinfection and plasma ice block peeling are achieved.

The invention discloses an auxiliary device for prognosis evaluation of HBP and inflammatory factors in pneumonia and septic shock, the auxiliary device comprises a refrigeration box body, the front surfaces of the top and the middle part of the refrigeration box body are provided with storage cabins, and the storage cabins are internally provided with bearing assemblies; the bearing assembly comprises a bearing frame and a plurality of containing drawers, the bearing frame is connected into the storage bin in a sleeved mode, a plurality of bearing bins are formed in the middle of the bearing frame, the containing drawers are connected into the bearing bins in a sliding and penetrating mode, and control locking mechanisms are arranged between the bottoms of the containing drawers and the inner walls of the bottom ends of the bearing bins. A plurality of independent storage units are formed in a multi-drawer mode, so that plasma can be independently searched in an isolated mode through separation of the multiple storage drawers, the risk of mutual infection of the plasma is avoided, meanwhile, during detection in the multi-drawer mode, plasma bags placed in the corresponding drawers can be selected in a targeted mode, and the detection efficiency is improved. Therefore, the cold storage of the plasma is more stable.

The utility model relates to the technical field of blood storage equipment, in particular to a plasma quick-freezing system which comprises a conveying device, a quick-freezing mechanism, a refrigeration mechanism and a transfer mechanism, the feeding conveying assembly and the discharging conveying assembly are used for conveying the plasma bags in a warehouse-in mode and a warehouse-out mode respectively, the scanning assembly is used for scanning the plasma bags before the plasma bags are put in the warehouse and after the plasma bags are put out of the warehouse, and the plasma bag storage efficiency of the plasma quick-freezing system is improved.

The utility model discloses a plasma bag basket, and relates to the technical field of plasma storage. Comprising a lifting basket body and a separation frame, the separation frame is installed in the lifting basket body, and the interior of the lifting basket body is divided into a plurality of placement spaces by the separation frame; an opening is formed in the basket body, the multiple placement spaces are all communicated with the opening, the placement spaces are used for storing plasma bags, the plasma bags are limited in the placement spaces through the separation frames, and the plasma bags are stored and taken out of the placement spaces through the opening. The plasma bag freezing and unfreezing device has the advantages of being capable of storing, freezing, unfreezing and transferring plasma bags in batches and high in freezing and unfreezing efficiency.

The utility model discloses a protection device for preventing a plasma bag from being broken, which belongs to the technical field of plasma bag protection and comprises a protection box, a protection assembly is arranged in the protection box and comprises an air bag body fixedly connected to the inner side face of the protection box, and an air bag plate is fixedly connected in the air bag body. A plurality of air bag plates are arranged in the protection box, a plurality of plasma bag placement grooves are formed by the air bag plates and the protection box, air inflation channels are formed in the air bag bodies and the air bag plates, the air inflation channels formed in the air bag bodies are communicated with the air inflation channels formed in the air bag plates, and ice bag placement grooves are formed in the air bag plates; through the cooperative use of the devices, the synergistic effect of the air bag body and the air bag plate and the multi-stage buffering mechanism of the first arc-shaped rubber buffering cushion, the second arc-shaped rubber buffering cushion and the dish-shaped rubber block, external impact and vibration can be effectively absorbed, and the possibility that the plasma bag is broken is remarkably reduced.

This utility model provides an ice-block type plasma bag suspension device, including: a blood bag body, a suspension mechanism, a clamping mechanism, and a positioning adjustment device. The suspension mechanism is mounted on an external support device, and a clamping mechanism is installed on the suspension mechanism. One end of the clamping mechanism is a clamping end, and the other end is an adjustment end. A connecting pipe is connected to the upper end of the blood bag body, and a protruding ring protrudes from the outer wall of the connecting pipe. The connecting pipe can be clamped by the clamping end of the clamping mechanism, and the protruding ring is supported by the clamping mechanism. The positioning adjustment device is adjustablely mounted on the suspension mechanism, and the output end of the positioning adjustment device restricts the opening of the clamping end of the clamping mechanism by acting on it. This ice-block type plasma bag suspension device provides precise position support and positioning for the adjustment mechanism through the fixing of the inner toothed ring and the vertical movement of the outer toothed ring, combined with the design of different heights of the support arm.

The invention provides full-automatic conveying type plasma bag reserved sample pipe hot cutting equipment which comprises a plasma bag conveying device, reserved sample positioning devices, a pipe conveying device, a pipe positioning structure and a hot cutting execution device, at least three reserved sample positioning devices are installed at the output end of the plasma bag conveying device, and the reserved sample positioning devices are used for positioning plasma bags and reserved sample pipes; a tube conveying device is installed below the plasma bag conveying device, and a tube positioning mechanism is installed on the tube conveying device and used for positioning the cut message leaving tube; and a hot cutting execution device is arranged above the middle part of the plasma bag conveying device and is used for carrying out hot cutting on the joint of the reserved sample pipe on the reserved sample positioning device and the plasma bag. According to the full-automatic conveying type plasma bag sample reserving pipe hot cutting equipment, the problem that in the prior art, the cutting position is not accurate due to the fact that plasma bags are cut after being manually taken and fed is solved.

The utility model relates to the technical field of plasma bags, and discloses a simple device for collecting residual plasma in a plasma bag, which comprises a main body. The other end of an opening of a plasma bag is placed between a first extrusion roller and a second extrusion roller, a second motor is driven to drive a first rotating rod, a first gear conveying wheel and a gear belt to rotate, and the gear belt is rotated to drive a second gear conveying wheel to rotate; then a first extrusion roller and a second extrusion roller are driven to rotate to rotationally extrude a plasma bag, plasma left in the plasma bag is left in a liquid discharging pipe through an opening of the plasma bag and enters a liquid storage barrel, a threaded rod is rotated to drive a threaded sleeve to move, the moving threaded sleeve drives a spraying pipe to move, and it is guaranteed that cleaning liquid is sprayed comprehensively; the plasma collecting device is simple in structure and convenient to operate, residual plasma is collected for the multiple plasma bags, then cleaning is conducted through cleaning liquid, and the use safety of the next time is guaranteed.

The utility model relates to a cord blood hematopoietic stem cell collection, preparation and cryopreservation integrated quadruple bag which comprises a blood collection bag, a preparation bag, a plasma bag and a cryopreservation bag, and the blood collection bag is connected with the preparation bag through a first catheter and a first three-way pipe; a first flow stopping clip is arranged on the second catheter connected between the preparation bag and the first three-way pipe; the first three-way pipe is respectively connected with the plasma bag and the cryopreservation bag through a second conduit and a second three-way pipe; a second flow stopping clip is arranged on the second catheter; a third flow stopping clip is arranged on the fourth catheter connected between the plasma bag and the second three-way pipe; and a fourth flow stopping clip is arranged on the fifth catheter connected between the second three-way pipe and the cryopreservation bag. The quadruple bag is more convenient to extract cells, the cost is reduced, the consumed time is less, the recovery rate of nucleated cells is high, and the separation effect is better.

The present invention discloses a plasma bag breaking and feeding device and assembly, including a bracket, a needle, a mounting rack, a position adjusting assembly and a vacuum suction head. The bracket includes at least an upper rack body and a lower rack body, and the plasma bag is used to be placed between the upper rack body and the lower rack body; the upper rack body and the lower rack body are provided with hole grooves to expose part of the surface of the plasma bag; a first channel is arranged in the needle; when the mounting rack moves, the needle can be made to approach, pierce and move away from the plasma bag; the vacuum suction head includes an upper suction head located above the upper rack body and a lower suction head located below the lower rack body. Compared with the prior art, after the plasma bag is pierced, the medium can be flushed towards the plasma bag through the first channel in the needle in the plasma bag breaking and feeding device of the present invention, so as to transfer the residual plasma in the bag and avoid waste of plasma.

The invention relates to the technical field of plasma preparation equipment, and discloses an automatic cryoprecipitate preparation instrument. The automatic cryoprecipitate preparation instrument comprises a preparation module, a weighing assembly and a control system. The preparation module is used for accommodating a frozen plasma bag and a transfer bag; the weighing assembly comprises a top weighing sensor and a bottom weighing sensor, the top weighing sensor is used for obtaining the weight of the frozen plasma bag, and the bottom weighing sensor is used for obtaining the weight of the transfer bag; the control system is electrically connected with the weighing assembly so as to synchronously obtain the first initial weight of the frozen plasma bag and the second initial weight of the transfer bag; and under the condition that the first initial weight and the second initial weight meet preset starting conditions, the control system controls the cryoprecipitation preparation instrument to start a preparation program. Through the arrangement, the initial weight information of the frozen plasma bag and the transfer bag can be directly obtained, so that the capability of equipment for automatically judging the starting condition of a preparation program is ensured, the operation complexity and human intervention links are reduced, and the continuity and the overall efficiency of the preparation process are ensured.

The utility model discloses a plasma instant freezer based on air expansion refrigeration, which comprises a quick-freezing box body and an air expansion refrigeration system, a plurality of hook pieces for hanging plasma bags are arranged in an inner cavity of the quick-freezing box body, and the quick-freezing box body is provided with an outer door and an inner door for rotatably sealing the inner cavity; a plurality of inner doors are arranged at the entrance and exit of the inner cavity; an air outlet hole and an air return hole of the air expansion refrigeration system are respectively formed in two opposite side surfaces of the inner cavity; the air expansion refrigeration system comprises a compressor, a heat exchanger, a heat regenerator and an expansion machine. The refrigeration structure is simple, the cost is low when air serves as refrigerant, and the problem of refrigerant leakage does not need to be worried about; when the plasma bag is taken and placed, the outer door and inner door structure effectively reduces the influence of external environment gas on the internal environment of the quick-freezing box body.

The novel plasma turnover basket comprises a basket body, transverse grid plates and longitudinal grid plates are arranged in the basket body in a staggered mode, the inner space of the basket body is divided into a plurality of plasma grooves, the two sides of each transverse grid plate are high, the middle of each transverse grid plate is low, reinforcing structures are arranged on the side walls of the two sides of each transverse grid plate, and a plurality of plasma bags can be stacked in each plasma groove. The upper surface of the basket body is higher than the upper surfaces of the transverse grid plates and the longitudinal grid plates, positioning protrusions are arranged at four corners of the upper surface of the basket body, and positioning grooves are correspondingly formed in four corners of the lower surface of the basket body. Multiple layers of plasma bags can be stacked, the stacked plasma bags are lowered or do not generate an inclination angle as far as possible, and grabbing and placing of the plasma bags by a mechanical arm are not affected.

The utility model discloses a blood thawing device, which belongs to the technical field of blood thawing and comprises a pulp dissolving instrument body, and a reciprocating swing type isolation placing mechanism is mounted at the upper end of the pulp dissolving instrument body; the reciprocating swing type isolation placing mechanism comprises a driving assembly and a swing assembly. A bearing plate is mounted on the swinging assembly; a containing groove is formed in the middle of the bearing plate. The bearing plate is further provided with a detachable water scraping mechanism. The detachable water scraping mechanism comprises a contact assembly and a movable assembly. The two movable assemblies are symmetrically distributed on the left side and the right side of the containing groove. The movable assembly is connected with the bearing plate; a contact assembly is installed on the movable assembly. Through the mode, the bearing plate continuously reciprocates back and forth, so that blood in the plasma bag continuously flows, the unfreezing efficiency can be improved, water can be disturbed through the isolation bag, and the situation that the unfreezing efficiency is reduced due to the fact that the temperature of the water near the isolation bag is not uniform is avoided.

The utility model relates to the technical field of trays, in particular to a plasma tray convenient to convey, which comprises a tray body, a plurality of accommodating grooves for placing plasma bags are uniformly arranged on the tray body, a plurality of guide grooves are arranged at the lower end of the tray body side by side, and two ends of each guide groove are penetratingly arranged. The upper end and the lower end of each tray body are provided with a positioning protrusion and a positioning groove in a matched mode respectively, so that the multiple tray bodies can be arranged in a stacked mode, a plurality of air holes are formed in the tray bodies in a penetrating mode, and dense grids are arranged on the back sides of the tray bodies. The plasma tray can be conveniently matched with external conveying equipment, the conveying stability of the plasma tray is ensured, meanwhile, the conveying efficiency can be improved, and the safety risk of manual carrying is reduced.

The utility model provides a blood component separation system which comprises a balancing device, a centrifugal device, a component separation device and a connection device, and a first transfer device is movably arranged among the balancing device, the centrifugal device and the component separation device and is used for transferring whole blood to the balancing device, the centrifugal device and the component separation device in sequence; the second transfer device is movably arranged between the component separation device and the connection device and is used for transferring the plasma bags positioned on the component separation device to the connection device; and the third transfer device is used for transferring the red blood cell bags positioned in the component separation device to a to-be-detected library. According to the technical scheme, the blood transmission efficiency can be improved, and the labor cost is reduced.

The plasma exchange auxiliary device comprises a water bath box, a heating wire is arranged in the water bath box, a cover plate is arranged at the top of the water bath box, a through groove is formed in the upper surface of the water bath box, a motor is installed on the upper surface of the cover plate, a threaded rod is installed at the output end of the motor, and a threaded rod is installed at the output end of the threaded rod. And the outer surface of the threaded rod is in threaded connection with a moving plate, the bottom end of the moving plate penetrates through the through groove and is fixedly connected with a hanging plate, and a set of first fixing clamps are installed on the bottom face of the hanging plate. Through cooperation of the cover plate, the through groove, the motor, the threaded rod, the moving plate, the hanging plate, the first fixing clamp, the bottom plate and the second fixing clamp, the plasma bag can be stably clamped through the first fixing clamp and the second fixing clamp, meanwhile, the motor is controlled to work in a reciprocating mode, the hanging plate can drive the first fixing clamp to move in a reciprocating mode, and the top of the plasma bag can swing back and forth; and the plasma flows in the plasma bag, so that the plasma can be uniformly heated, and the treatment effect of the plasma is further ensured.

The invention discloses a plasma floccule detection system and method based on infrared imaging, and relates to the technical field of medical image processing. A plasma bag is vertically fixed, a data processing module controls a motor to rotate a spiral transmission rod to change the position of a base, after a thin transparent glass plate clamps the plasma bag, an electric push rod is started, and the plasma floccule is detected; and a transparent blood bag part above the blood plasma bag is clamped. A light source provided by the infrared camera collects an image of a transparent bag on the upper portion of the plasma bag and sends image data to the data processing module. After the disturbance device is turned on to generate disturbance, the infrared camera collects an image of the bottom of the plasma bag through a light source provided by the infrared light source and sends image data to the data processing module. After the data processing module processes the collected images, whether floccules exist or not is checked through the image recognition technology, and the data processing module calculates the size of the floccules at the bottom of the plasma bag. The unreliability caused by manual screening is greatly reduced, and the standardization of plasma appearance quality detection is improved.

The utility model relates to the technical field of plasma collection, in particular to a plasma bag fixing device for plasma collection, which comprises a plasma collector and a fixing component, the plasma collector is provided with the fixing component, the fixing component is used for placing a plasma bag, and the fixing component comprises a mounting seat, a bearing, a hollow rotating shaft, a fixing shaft, a wedge block and the like. A mounting seat is connected to the plasma collector, two bearings are mounted on the mounting seat, inner rings of the bearings are connected with hollow rotating shafts, two fixing shafts are connected to the mounting seat and located in the two hollow rotating shafts respectively, sliding grooves are formed in the front ends of the fixing shafts, and two wedge-shaped blocks are arranged in the sliding grooves. When the hollow rotating shaft rotates anticlockwise, the wedge-shaped block is squeezed through the idler wheel to be contained in the sliding groove, a plasma bag can be hung on the hollow rotating shaft, and when the hollow rotating shaft rotates clockwise, the wedge-shaped block slides out of the sliding groove and penetrates through the through hole, so that the wedge-shaped block is blocked in front of the plasma bag, and the plasma bag is prevented from falling accidentally.

The invention relates to the technical field of plasma freezing process parameter detection, in particular to a plasma freezing process parameter detection method and device.The plasma freezing process parameter detection device comprises an equipment base, a simulated plasma barrel is fixedly arranged on the equipment base, a shaking base is rotationally connected to the equipment base, and a flushing pipe is rotationally connected to the shaking base; the outer wall of one side of the flushing pipe is fixedly connected with the scrubbing mechanism, the simulated plasma bag is placed on the equipment base, the parameter collecting mechanism is installed on the outer side of the simulated plasma bag, and the control panel is installed on the equipment base. The plasma freezing parameter and the plasma instant freezer parameter are calibrated under the condition of simulating the conventional state of plasma freezing, the device has a low-temperature counting function, it is ensured that the plasma simulation body can simulate the plasma physical property, the use is convenient, the result is reliable, calculation is automatic, meanwhile, the accuracy and reliability of the plasma freezing process parameter can be comprehensively evaluated, and the operation is convenient. And a data support is provided for ensuring the plasma cryopreservation quality and carrying out related research on plasma.

The invention discloses a plasma melting and drying device, and relates to the technical field of plasma melting and drying, the plasma melting and drying device comprises a bottom box, the top of the bottom box is fixedly connected with a top box, the top of the top box is fixedly connected with a motor, one end of an output shaft of the motor is fixedly connected with a main shaft, the outer wall of the main shaft is provided with a plurality of planetary mechanisms, and each planetary mechanism comprises a plasma bag; the main shaft rotates to drive the plasma bag to revolve around the main shaft through the planetary mechanism, and airflow blows the plasma bag to rotate. According to the plasma melting and drying device, anticlockwise airflow is generated, the airflow is heated through a PTC heater, hot airflow is blown to the inner wall of a wind blocking cylinder, the airflow is spirally upward through a rotating groove in the wind blocking cylinder, and a wind resistance wheel is blown through the spirally upward airflow, so that the plasma bag is melted and dried in the process that the plasma bag revolves around a main shaft; meanwhile, the plasma bag rotates automatically, so that the outer surface of the plasma bag is in uniform contact with the rising spiral hot air flow, the outer wall of the plasma bag is uniformly heated, and the effect of uniformly heating the plasma is achieved.

The utility model discloses an ear edge pressing mechanism of a plasma box. The ear edge pressing mechanism comprises a rotary table assembly and a limiting baffle. The rotary table assembly comprises a fixing table, a mounting seat and a driving part, a plasma bag pushing-in box station is arranged on one side of the fixing table, the mounting seat is used for fixing a plasma box, and the driving part is used for driving the mounting seat and the plasma box to move to the plasma bag pushing-in box station; the limiting baffle is arranged on the side, facing the plasma bag push-in box station, of the fixing table and used for abutting against the rear ear edge of the plasma box. In the working process, the rotary table rotates around the fixed table to drive the plasma box to rotate, the rear lug edge mechanism presses the rear lug edge of the plasma box in advance, the limiting baffle is gradually connected with the rear side of the plasma box in an abutting mode and stopped along with rotation of the rotary table to the plasma bag pushing-in box station, and therefore the rear lug edge of the plasma box is pressed, and then the plasma bag is pushed into the empty plasma box through the pushing-in mechanism. Therefore, the back ear edge of the plasma box can be automatically pressed and limited, the back ear edge is prevented from being broken open and separated, and the sealing performance of the plasma box is guaranteed.

The utility model discloses a mononuclear cell separation bag, the open end of a whole blood sample bag is provided with a liquid one-way flow conduit and is connected with a blood sample transfer conduit, a plasma transfer conduit and a blood cell transfer conduit, the whole blood sample bag is connected with a plasma bag through the plasma transfer conduit, the open end of the plasma bag is provided with the liquid one-way flow conduit, and the blood cell transfer conduit is connected with the blood cell transfer conduit. The blood sample transfer catheter is connected with the plasma transfer catheter and the blood cell transfer catheter, the other end of the blood cell transfer catheter is connected with the blood cell transfer catheter, the other end of the blood cell transfer catheter is connected with the blood cell transfer bag, the open end of the blood cell transfer bag is provided with a sample extraction port, and the blood sample transfer catheter, the plasma transfer catheter and the blood cell transfer catheter are provided with disposable pipeline plugging devices and pipeline temporary sealing devices. The disposable closed container is used, so that the centrifugal tube is prevented from being frequently replaced, and meanwhile, the experiment failure caused by sample pollution due to the fact that hands of operators or articles pass through the upper part of the open centrifugal tube is also avoided.

The present invention provides a low-temperature flat-plate quick-freezing plasma preservation box with a built-in plasma bag flattening structure, relating to the technical field of plasma quick-freezing, comprising a freezing box body; a freezing box door is rotatably mounted on the freezing box body via a row of hinges; a support unit is mounted inside the freezing box body; a row of plasma drawers are mounted on the support unit; a plasma bag flattening unit is mounted at the center of the support unit; a multifunctional unit is mounted outside the freezing box body; a control unit is mounted outside the freezing box door, and the control unit is used to control the multifunctional unit; a row of movable flattening plates of the present invention move downward simultaneously under the action of two force-bearing inclined blocks and two circular force-bearing rods, thereby flattening the plasma bags in a row of plasma drawers; the problem that the plasma to be quick-frozen is prone to uneven thickness due to the general lack of a plasma bag flattening structure is solved, and thicker plasma requires a longer time to be completely frozen.

The utility model discloses a blood plasma bag packaging machine, including a discharge table, an inclined table, a film discharging mechanism, a packaging component, a discharge component and a traction component; the workbench includes a discharge table and an inclined table arranged on one side of the discharge table; the discharge component includes a discharge channel and a support table, the higher end of the discharge channel is connected to the discharge table, and the support table is arranged on one side of the inclined table corresponding to the lower end bottom of the discharge channel; the film discharging mechanism is arranged on the top of the discharge table close to the inclined table; the packaging component includes a first heat seal and a second heat seal, the first heat seal is arranged on the inclined surface of the inclined table, and is located on the bottom side of the discharge channel; the second heat seal is arranged on the inclined table at the lower end of the support table and the discharge channel; the traction component is arranged on the top surface of the inclined table between the first heat seal and the second heat seal. In the blood plasma bag packaging machine of the utility model, blood bag bagging and packaging can be carried out simultaneously, shortening the bagging and packaging process and improving efficiency.

The invention relates to a disposable blood sampling separation consumable and a blood component separation method, and belongs to the technical field of blood component separation. The inferior blood sampling separation consumable comprises a vein puncture outfit, a leukocyte-depleting filter, a fourth flow stopping clip, a limiting clip and a plasma separation cup which are sequentially communicated and connected through a pipeline. The plasma separating cup is connected with a plasma bag through an input pipeline, and a sixth flow stopping clamp is arranged on the input pipeline. The pipeline between the fourth flow stopping clip and the limiting clip is communicated and connected with a blood cell bag, and a fifth flow stopping clip is arranged at an inlet of the blood cell bag. In the blood sampling process, blood components are directly separated, whole blood does not need to be transferred to a blood station, the labor intensity of medical workers is reduced, meanwhile, blood cross infection is avoided, and the blood management pressure of the blood station is also reduced.

The invention provides an umbilical cord blood source platelet separation method which comprises the following steps: firstly, removing red blood cells in waste umbilical cord blood by using inverted heavy centrifugation, connecting a blood collection bag after red blood removal with a second plasma separation bag, and performing upright light centrifugation to obtain a plasma mixture; connecting the plasma mixture of the second plasma separation bag with the residues of the blood collection bag, carrying out upright heavy centrifugation, separating pure plasma at the upper part of the second plasma separation bag, backwashing the pure plasma into the residues of the blood collection bag, and uniformly mixing the pure plasma and the residues of the blood collection bag; the blood collection bag and a second plasma separation bag from which part of plasma is separated are positively arranged together for light centrifugation, then plasma on the albuginea layer is separated into the second plasma separation bag, and plasma contents in the second plasma separation bag are evenly mixed; and finally, connecting the second plasma separation bag containing the plasma contents with a third plasma separation bag, and carrying out upright heavy centrifugation to slowly separate out upper-layer plasma, so that the remainder is the concentrated platelets. The problem that the content of platelets in umbilical cord blood is low is solved, and the risk that other cell debris is introduced into the product to increase the use of the platelets is avoided.

The invention provides a low-temperature flat plate quick-frozen plasma storage box with a built-in plasma bag flattening structure, and relates to the technical field of plasma quick freezing. A freezing box door is rotationally mounted on the freezing box body through a row of hinges; a supporting unit is mounted in the freezing box body; a row of plasma drawers are mounted on the supporting unit; a plasma bag flattening unit is mounted in the center of the supporting unit; a multifunctional unit is mounted outside the freezing box body; a control unit is installed on the outer side of the refrigerator door and used for controlling the multifunctional unit. A row of movable flattening plates move downwards at the same time under the action of two stress inclined blocks and two round stress rods, and the flattening effect on plasma bags in a row of plasma drawers is achieved; the problems that blood plasma to be quickly frozen is not uniform in thickness and thick blood plasma needs to be completely frozen for a longer time due to the fact that a blood plasma bag flattening structure is absent generally are solved.