42 results about "Plasma bag" patented technology

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 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 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 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 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 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 provides a plasma bag protection device. The plasma bag protection device comprises a plasma separator body, a weighing scale arranged on the plasma separator body and used for hanging a plasma bag, a blocking and protecting mechanism arranged on the plasma separator body and a tray mechanism. The blocking and protecting mechanism comprises a bracket located below the weighing scale, a barrel arranged on the bracket and provided with an opening in the top, a first blocking and protecting piece and a second blocking and protecting piece, the first blocking and protecting piece and the second blocking and protecting piece are arranged in the barrel and are both in an annular shape, and the blocking and protecting mechanism at least has a storage state and an unfolding state. The first blocking and protecting part and the second blocking and protecting part are sequentially contained in the barrel in the height direction of the plasma separator body in the unfolded state, and the first blocking and protecting part and the second blocking and protecting part sequentially stretch out of the barrel in the height direction of the plasma separator body in the unfolded state and form protection on the plasma bag. And the tray is driven by the driving part to lift and is used for fixing the plasma bag, and the safety usability of the whole plasma bag protection device can be improved.

The invention relates to the technical field of plasma preparation equipment, and discloses a peristaltic module which is applied to a cryoprecipitation preparation instrument, the cryoprecipitation preparation instrument contains a frozen plasma bag and a transfer bag which are communicated through a guide pipe, and the frozen plasma bag is higher than the transfer bag. The wriggling module comprises a wriggling device, a driving module and a clamping mechanism. The peristaltic device is used for extruding or releasing the catheter to control liquid flow; the clamping mechanism is connected to the output end of the driving module, and the clamping mechanism is used for executing linear motion under the driving of the driving module so as to press the catheter on the peristaltic device or release the catheter from the peristaltic device. By means of the arrangement, the active driving function of the peristaltic module and the siphon process are integrated, the automation degree and operation experience of the equipment are effectively improved, and whole-process accurate and automatic control of the fluid transfer stage in the preparation process can be achieved. Meanwhile, the invention further discloses a cryoprecipitate preparation instrument.

Systems, methods, and devices to warm and deliver blood and plasma to patients may include a body, an infusion sleeve coupled to the body and encircling a volume, and a control panel disposed on the body. A power source is in electronic communication with the control panel, and the power supply may be a battery external to the body. A heater is in electronic communication with the battery and disposed adjacent an interior surface of the infusion sleeve. The heater comprises a plurality of heating elements and a plurality of temperature sensors configured to measure a temperature of each heating element from the plurality of heating elements. Power delivered to each heating element may be adjustable in response to the temperature of the heating element or an estimated temperature of a blood or plasma bag.

The utility model relates to the technical field of medical equipment, and discloses a plasma bag draining device which comprises a mounting frame, a rotating shaft rotationally arranged on the mounting frame, a plurality of connecting rods fixedly arranged on the rotating shaft and a clamping assembly rotationally connected to the connecting rods, and the clamping assembly is used for clamping the end, without a discharging opening, of a plasma bag. According to the plasma discharging device, the multiple plasma bags are clamped on the clamping assemblies, the clamping assemblies are rotationally arranged on the connecting rods, when the rotating shaft rotates, the plasma bags can rotate to be in the horizontal state, plasma flows to the ends, with the discharging openings, of the plasma bags under the action of centrifugal force, the plasma bags are conveniently taken down, then the plasma is discharged, and the plasma discharging efficiency is improved.

The utility model provides a kind of for detecting plasma bag drop bag detection transfer auxiliary device, tail end of first transmission mechanism is arranged in the upper portion of second transmission mechanism head end;Second transmission mechanism is provided with multiple plasma baskets;The position close to the bottom of plasma basket has at least two bottom photoelectric switches;The position close to the top of plasma basket has at least two top photoelectric switches;Controller is electrically connected by with bottom photoelectric switch, detects the loading detection signal of plasma bag loading plasma basket;Controller is electrically connected by with top photoelectric switch, detects the full detection signal of plasma basket, and is electrically connected by with second drive mechanism, controls second transmission mechanism transportation plasma basket filled with plasma bag.It realizes that plasma bag loading, full detection and the automatic transportation of plasma basket, satisfy the demand of plasma bag transportation.Moreover, the simultaneous detection of top and bottom photoelectric switch is utilized, the correct loading of plasma bag into plasma basket and the full basket are ensured, and the situation of missed detection is avoided.

The invention discloses a cleaning device suitable for a plasma bag cleaning machine, which comprises a plurality of groups of spraying assemblies oppositely arranged above and below a plasma conveying belt, each spraying assembly comprises a spraying rod and a nozzle, the spraying rods are horizontally arranged along the width direction of the plasma conveying belt, the spraying rods are provided with a plurality of nozzles longitudinally distributed along the spraying rods, and the nozzles are arranged on the spraying rods. The spraying directions of the nozzles are arranged in the radial direction of the spraying rod, an included angle is formed between the nozzles and a datum line perpendicular to the surface of the plasma conveying belt, the spraying directions of the adjacent nozzles are opposite to the datum line, jet flow sprayed by the nozzles is in a linear continuous flat shape in the axis direction of the spraying rod, and a liquid inlet of the spraying rod is connected with a cleaning medium supply system. Pollutants, microorganisms, disinfectant residues and the like on the surface of the plasma bag can be effectively cleaned, and the cleaning effect is good.

The application provides a plasma virus inactivation cabinet and a design method of the plasma virus inactivation cabinet, and relates to the technical field of medical instruments, wherein the plasma virus inactivation cabinet comprises a plurality of lamp tube arrays and a plurality of trays; the plurality of lamp tube arrays are arranged in a longitudinal stack, and one tray is arranged in any two adjacent lamp tube arrays; the tray is used for placing a plasma bag; and the two lamp tube arrays adjacent to the tray irradiate the plasma bag in the tray; for each lamp tube array, a plurality of lamp tubes included in the lamp tube array are arranged in the same direction; and the arrangement directions of the lamp tubes in any two adjacent lamp tube arrays are different. The technical scheme provided by the application can strengthen the irradiation of the area with substandard illuminance by the lamp tubes with different arrangement directions, so that the area of the effective illuminance of the lamp tube array can be increased, and the efficiency of the inactivation cabinet in inactivating the plasma virus can be improved.

The invention relates to the technical field of plasma preparation equipment, and discloses a cryoprecipitate preparation instrument. The preparation module is used for accommodating the frozen plasma bag and the transfer bag, and the transfer bag is communicated with the frozen plasma bag through a catheter; the water supply system communicates with the preparation module; the peristaltic module is arranged corresponding to the conduit, and the conduit is at least partially fixed on the peristaltic module; the control system is electrically connected with the preparation module, the water supply system and the peristaltic module; the control system is used for controlling the water supply system to provide water at a preset temperature for the preparation module so as to melt the plasma in the frozen plasma bag; under the condition that the drainage preset condition is met, the peristaltic module is controlled to act on the catheter, so that the plasma in the frozen plasma bag is transferred to the transfer bag through the catheter. Through the arrangement, automatic water supply, melting and plasma transfer can be realized, so that the continuity and the preparation efficiency of a preparation process are ensured, and the consistency and the controllability of preparation conditions of different blood bags can be ensured.

The invention relates to the technical field of plasma preparation equipment, and discloses an integrally-operated cryoprecipitate preparation instrument. The integrally-operated cryoprecipitate preparation instrument comprises a machine shell, a preparation module, an integrated operation platform and a control system. The preparation module is arranged on the machine shell and used for containing a frozen plasma bag; the integrated operation platform is arranged on the machine shell and is integrated with a re-weighing assembly, a code scanning module and a heat sealing module. The control system is electrically connected with the preparation module and the integrated operation platform; wherein the control system is used for controlling the preparation module to perform cryoprecipitation preparation on the frozen plasma bag and controlling the re-weighing assembly, the code scanning module and the heat sealing module to cooperatively perform weighing, code scanning and heat sealing operation on the frozen plasma bag subjected to cryoprecipitation preparation. Through the arrangement, the integrally operated cryoprecipitate preparation instrument integrates a key post-treatment function, the operation process is simplified, and the operation safety and efficiency are improved.

The invention discloses a PVC plasma bag anomaly detection method for a low-temperature environment, and relates to the field of plasma bag quality detection.The method comprises the steps that S1, in the low-temperature environment of 2-8 DEG C, image acquisition is conducted on a PVC plasma bag in a frozen state; s2, the collected PVC plasma bag image is processed and analyzed, an analysis result is compared with standard data, and processing and analysis at least comprise color feature analysis and texture feature analysis which are executed in parallel; s3, based on the abnormality judgment result, performing fusion judgment through a confidence evaluation rule, and generating a comprehensive judgment result about whether the plasma bag is abnormal or not; according to the method, a special image acquisition device with a low-temperature protection function is deployed, a multi-dimensional image analysis algorithm aiming at plasma color and state characteristics is applied, and finally decision fusion is performed through an interpretable confidence rule, so that automatic and high-precision detection of the appearance quality of the frozen plasma bag is realized.

The utility model relates to the technical field of blood sampling auxiliary equipment, and discloses a plasma bag anti-breakage protection device which comprises a first shell, a first installation groove is formed in the bottom end of the first shell, first handles are symmetrically arranged on one side of the first shell, and an anti-breakage assembly is arranged on the inner side of the first shell in a penetrating mode. The outer side of the top end of the anti-breakage assembly is sleeved with a second shell matched with the first shell, a second mounting groove is formed in the top end of the second shell, plasma bag clamping assemblies are symmetrically arranged at the two ends of the inner side of the second mounting groove, and fixing assemblies matched with the first shell are arranged at the bottoms of the two sides of the second shell. The plasma bag is scientific and novel in structure, the plasma bag can be effectively prevented from being broken and leaked through a dual protection mechanism, the first shell and the second shell provide outer layer physical protection, the internal anti-breaking and anti-leakage assembly provides functional protection, and the safety of the plasma bag in the storage, transportation and use processes is remarkably improved.

The invention relates to the technical field of plasma preparation equipment, and discloses a subarea independent cryoprecipitate preparation instrument. The subarea independent cryoprecipitate preparation instrument comprises a plurality of preparation modules, a water supply system and a control system. Each preparation module comprises a water tank used for containing a single frozen plasma bag, the water tank is provided with a water inlet, and water bodies among the water tanks of the multiple preparation modules are physically isolated through structures such as partition plates; the water supply system is respectively communicated with water inlets of the water tanks of the plurality of preparation modules; the control system is electrically connected with the water supply system and the preparation modules. Wherein the control system is used for controlling the water supply system to provide water with a preset temperature for the water tank of any preparation module, so that the plasma in the corresponding frozen plasma bag is melted. In this way, the multiple preparation modules are isolated from one another, cross contamination can be physically eradicated, and independent operation of all the units is supported.

The invention provides a blood purification treatment system, and belongs to the technical field of medical equipment. Comprising a plasma collection system, a plasma adsorption system and a liquid feedback system which are connected with a blood supplier to form a blood closed-loop conveying loop, the plasma collection system comprises a blood collection tube, the blood collection tube is connected with centrifugal machines through two blood collection branch tubes, and the outlet ends of the two centrifugal machines are jointly connected with a first plasma bag; the two blood collection branch pipes are connected with a blood collection system and connected with a blood collection adsorption system through a first blood collection bag, blood collection pumps are arranged on the two blood collection branch pipes, the blood collection branch pipes are connected with first back-transfusion branch pipes, and the two first back-transfusion branch pipes are combined and then connected with a liquid back-transfusion system. The electric valve assembly is used for controlling only one of the two blood sampling branch pipes to be opened at the same time and controlling the first feedback branch pipe and the blood sampling branch pipe to be opened and closed in opposite states. In the process of pumping blood to one centrifugal machine and centrifugally separating blood plasma on line, red blood cells in the other centrifugal machine are transfused back to the human body, and the effects of continuously keeping blood sampling and liquid transfusing back and improving the blood sampling efficiency are achieved.

The matched storage unit of the plasma low-temperature freezing refrigerator comprises a plasma bag storage box, a plasma bag and a plasma bag storage unit formed by matched T-shaped track grooves in two opposite side plates of the plasma bag storage box. The plasma bag comprises a plasma bag body, a connecting part and a fixing part, the cross sections of the connecting part and the fixing part are square, one end of the connecting part is fixedly connected with the side edge of the plasma bag body, and the other end of the connecting part is fixedly connected with the fixing part; when the plasma bag storage box is used, the connecting part and the fixing part are inserted along the second vertical shaft and the first vertical shaft respectively, and a plasma bag can be placed in the plasma bag storage box. The distance between every two adjacent plasma bag storage units is larger than the thickness of each plasma bag, so that it is guaranteed that the surfaces of every two adjacent plasma bags do not make contact after the plasma bags are placed in the plasma bag storage units. Therefore, even if water vapor on the outer surfaces of the adjacent plasma bags freezes, the adjacent plasma bags cannot be frozen together.