CN217392202U - Newborn hemolytic disease diffuses red blood cell water bath oscillation device for experiment - Google Patents
Newborn hemolytic disease diffuses red blood cell water bath oscillation device for experiment Download PDFInfo
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- CN217392202U CN217392202U CN202120972801.XU CN202120972801U CN217392202U CN 217392202 U CN217392202 U CN 217392202U CN 202120972801 U CN202120972801 U CN 202120972801U CN 217392202 U CN217392202 U CN 217392202U
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Abstract
The utility model discloses a neonate's hemolytic disease diffuses red blood cell water bath oscillation device for experiment, a serial communication port, include: the device comprises a water bath box, a cover, a display, a button, a switch, a temperature sensor, an electric heating rod, a test tube rack, a support frame, an oscillating device, a motor speed regulator, a power adapter, an integrated circuit board, a processor, a memory and a digital-to-analog converter; the utility model discloses can heat and make the temperature invariant keep setting for numerical value for the feedwater, conveniently carry out the water bath for the erythrocyte, and adopt mechanical work to replace manual oscillation process in the past, the oscillation frequency is invariable, can time the oscillation process, stops the oscillation when reaching the settlement time.
Description
Technical Field
The utility model belongs to the field of medical equipment, concretely relates to neonate's hemolytic disease diffuses experiment and uses red blood cell water bath oscillation device.
Background
Hemolytic disease of newborn refers to that blood group antibodies which do not match with blood group antigens of a fetus are generated in a mother body due to blood group incompatibility of the mother and the child, the antibodies enter the fetus body through placenta to cause homologous immune hemolysis, and the blood group of a common Rh blood group system and the blood group of an ABO blood group system do not match; other reasons for causing hemolysis in the neonatal period also comprise defects of erythronase or erythrocyte membranes, the erythronase or the erythrocyte membranes have special names, only hemolysis with improper blood types is called hemolytic disease of the neonate, and the incidence rate of hemolytic disease of the neonate in Chinese population is 20-25%; the disease is clinically manifested as fetal edema, anemia, premature birth or dead fetus, neonatal jaundice, anemia, hepatosplenomegaly, edema, and sequelae of jaundice, so that the improvement of the positive rate of early laboratory diagnosis has important diagnostic significance on the clinical treatment and intervention of hemolytic neonates; the diagnosis of hemolytic disease of newborn is mainly based on serological indexes, namely 3 tests of hemolytic disease of newborn (direct anti-human globulin test, free antibody test and erythrocyte antibody release test), and the result of the erythrocyte antibody release test has the most diagnostic significance, and the hemolytic disease of newborn can be determined as long as the result is positive; the erythrocyte antibody release test comprises a plurality of detection methods, is suitable for the release of different membrane antibodies, and has the advantages and the disadvantages;
compared with other diffusion tests, the heat diffusion test has more effective effect and is more suitable for the diffusion of IgM antibodies of an ABO system, and the principle of the heat diffusion test is that IgM antibodies or IgG antibodies of the ABO system bound on the surfaces of red blood cells can be dissociated at 56 ℃; the key of the heat diffusion test is that the red blood cells need to be fully shaken in a 56 ℃ water bath, the shaking force needs to be paid attention, the shaking force is too small, the number of the antibody under diffusion is small, and false negative occurs; the great force can cause severe hemolysis of the diffused liquid, and the result is difficult to observe; in the prior heat dissipation experiment, a test tube is generally manually held and placed in a 56 ℃ water bath for oscillation, medical staff is difficult to avoid fatigue after long-time manual operation, so that the oscillation result of red blood cells is not ideal, the experimental result is inaccurate, the diagnostic result is influenced, and the probability of missed detection is increased; meanwhile, the test tube is placed in a sleeve of a 56 ℃ water bath during centrifugation, and the diffusing liquid needs to be sucked out immediately after centrifugation, so that the phenomenon that the antibody is recombined on red blood cells due to the reduction of the environmental temperature and the experimental result is influenced finally is prevented;
therefore, a neonate's hemolytic disease diffuses experiment with red blood cell water bath oscillation device can heat and make the temperature invariant keep at the settlement numerical value for the feedwater, conveniently carries out the water bath for the red blood cell, and adopts mechanical work to replace manual oscillation process in the past, and the oscillation frequency is invariable, can time the oscillation process, stops the oscillation when reaching the settlement time, can vibrate many red blood cell test tubes simultaneously, improves the detection efficiency who diffuses the experiment.
SUMMERY OF THE UTILITY MODEL
The utility model provides a neonate's hemolytic disease diffuses experiment with erythrocyte water bath oscillation device can heat and make the temperature invariant keep setting for numerical value for feedwater, conveniently carries out the water bath for the erythrocyte, and adopts mechanical work to replace manual oscillation process in the past, and the oscillation frequency is invariable, can time the oscillation process, stops the oscillation when reaching the settlement time, can vibrate many erythrocyte test tubes simultaneously, improves the detection efficiency who diffuses the experiment.
In order to reach above-mentioned technical purpose, the utility model discloses a technical scheme be a neonate's hemolytic disease diffuses experiment and uses erythrocyte water bath oscillation device, include: the device comprises a water bath tank, a cover, a display, a button, a switch, a temperature sensor, an electric heating rod, a test tube rack, a support frame, an oscillating device, a motor speed regulator, a power adapter, an integrated circuit board, a processor, a memory and a digital-to-analog converter;
the rear side edge of the upper end of the water bath box is hinged with a cover, a display, a button and a switch are arranged on the front end face of the outer side wall of the water bath box, a temperature sensor is arranged on the inner side wall of the water bath box, an electric heating rod is arranged in an interlayer of the bottom surface in the water bath box, a test tube rack is arranged at an opening at the upper end of the water bath box, the test tube rack is detachably connected with an oscillating device at the other end of a support frame at one end of the support frame, the oscillating device is arranged in a control room at the rear side of the water bath box, a motor speed regulator, a power adapter, an integrated circuit board and the like are further arranged in the control room, and a processor, a memory, a digital-analog converter and the like are connected on the integrated circuit board;
furthermore, the electric heating rod is arranged in an interlayer on the bottom surface inside the water bath box and is connected to the integrated circuit board through a power line; meanwhile, the temperature sensor, the display, the button, the switch and the like are connected to the integrated circuit board through power lines, and the memory and the digital-to-analog converter on the integrated circuit board are connected to the processor through lines; the oscillating device is connected with a work-doing part of the motor, the motor is connected to the motor speed regulator through a power line and then connected to the power adapter through the power line, and meanwhile, the motor speed regulator and the power adapter are connected to the integrated circuit board through the power line;
further, the oscillating device comprises a supporting plate, a fan-shaped rotating frame, a roller, a connecting frame, a movable plate and a threaded knob; the front side, the rear side and the lower side of the two supporting plates are connected to the inner wall of the control chamber, two ends of the connecting frame are connected to the middle position between the two supporting plates, two ends of the roller are hinged to the lower end position between the two supporting plates, and the right end of the roller penetrates through the supporting plates to be connected with the acting end of the motor;
furthermore, an inclined annular track is arranged on the outer side wall of the roller;
furthermore, the upper end of the fan-shaped rotating frame is of a fan-shaped structure, the edge of the fan-shaped rotating frame is provided with a gear, the lower end of the fan-shaped rotating frame is of a strip-shaped structure, the middle part of the fan-shaped rotating frame is hinged to the middle part of the connecting frame, the lower end of the fan-shaped rotating frame is connected with a pulley, and the pulley extends into the track of the rotary drum; the gear part at the upper end of the fan-shaped rotating frame is just clamped at the gear part at the lower end of the movable plate;
furthermore, the lower end of the sliding plate is provided with a gear, the upper end of the sliding plate is provided with a clamp, the clamp is connected with one end of the supporting frame, and a threaded knob is arranged at the joint of the clamp and the supporting frame; the other end of the supporting frame is detachably connected with the test tube rack.
The utility model has the advantages that:
1. the erythrocyte water bath oscillation device for the hemolytic disease diffusion experiment of the newborn can heat water for water bath, so that the temperature of the water for water bath is always kept at 56 ℃;
2. the erythrocyte water bath oscillation device for the neonatal hemolytic disease diffusion experiment can rock the test tube rack back and forth left and right, so that the process of oscillating an erythrocyte test tube in water is realized, the oscillation frequency is stable, and the erythrocyte water bath oscillation effect is good;
3. this laboratory erythrocyte water bath oscillation device is diffused to neonate's hemolytic disease can time oscillation process, can the automatic shutdown oscillation process when reaching the time point, avoids the oscillation time overlength for the oscillation effect is not good, influences final result.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a water bath shaking device for hemolyzing diffusion experiment of newborn 1;
FIG. 2 is a schematic diagram of an apparatus for oscillating a erythrocyte water bath for hemolytic disease diffusion experiment of a newborn 2;
FIG. 3 is a structural diagram of an oscillating device of an erythrocyte water bath oscillating device for hemolytic disease diffusion experiments of newborn;
FIG. 4 is a schematic diagram of a supporting frame of an erythrocyte water bath oscillation device for hemolytic disease diffusion experiments of newborn;
in the drawings, the components represented by the respective reference numerals are listed below:
1-a water bath box, 2-a cover, 3-a display, 4-a button, 5-a switch, 6-a temperature sensor, 7-an electric heating rod, 8-a test tube rack, 9-a support frame, 10-an oscillating device, 1001-a support plate, 1002-a sector rotating frame, 1003-a roller, 1003 a-a track, 1004-a connecting frame, 1005-a movable plate 1006-a thread knob, 11-a motor, 12-a motor speed regulator, 13-a power adapter, 14-an integrated circuit board, 15-a processor, 16-a memory and 17-a digital-to-analog converter.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 4, a structure of a erythrocyte water bath oscillation device for hemolytic disease diffusion experiments of newborn includes: the water bath box comprises a water bath box 1, a cover 2, a display 3, a button 4, a switch 5, a temperature sensor 6, an electric heating rod 7, a test tube rack 8, a support frame 9, an oscillating device 10, a motor 11, a motor speed regulator 12, a power adapter 13, an integrated circuit board 14, a processor 15, a memory 16 and a digital-to-analog converter 17;
the rear side edge of the upper end of the water bath box 1 is hinged with a cover 2, so that the device can be covered when not in use, and dust or sundries are prevented from falling into the device; the front end face of the outer side wall of the water bath box 1 is provided with a display 3, a button 4 and a switch 5, the display 3 is used for displaying an operation interface and displaying data, the button 4 is used for selecting functions and setting parameters, and the switch 5 controls the opening and closing of a device; a temperature sensor 6 is arranged on the inner side wall of the water bath tank 1 and is used for monitoring the temperature of water in real time; an electric heating rod 7 is arranged in an interlayer on the bottom surface inside the water bath tank 1 and is used for heating water in the water bath tank 1; a test tube rack 8 is arranged at an opening at the upper end of the water bath tank 1, the test tube rack 8 is detachably connected with one end of a support frame 9, the other end of the support frame 9 is connected with an oscillating device 10, the oscillating device 10 is arranged in a control room at the rear side of the water bath tank 1, the test tube rack 8 is used for placing test tubes containing red blood cells, and the oscillating device 10 can shake left and right to drive the test tube rack 8 to oscillate in the water bath tank 1; a motor 11, a motor speed regulator 12, a power adapter 13, an integrated circuit board 14 and the like are further arranged in the control room, the integrated circuit board 14 is connected with a processor 15, a memory 161, a digital-to-analog converter 7 and the like, the motor 11 is used for providing mechanical kinetic energy for the oscillation device 10, the motor speed regulator 12 is used for controlling the rotation speed of the motor 11, the power adapter 13 is used for converting a 220V power supply into a power supply suitable for the operation of the device, the integrated circuit board 14 is provided with various circuits, the processor 15 is used for controlling the operation of the device, the memory 16 is used for storing programs and data, and the digital-to-analog converter 17 is used for converting digital signals into visible signals and transmitting the visible signals to the display 3 for displaying;
the electric heating rod 7 is arranged in an interlayer on the bottom surface inside the water bath tank 1 and is connected to the integrated circuit board 14 through a power line; meanwhile, the temperature sensor 6, the display 3, the button 4, the switch 5 and the like are connected to the integrated circuit board 14 through power lines, and the memory 16 and the digital-to-analog converter 17 on the integrated circuit board 14 are connected to the processor 15 through lines; the oscillating device 10 is connected with a work doing part of the motor 11, the motor 11 is connected to the motor speed regulator 12 through a power cord and then connected to the power adapter 13 through the power cord, and meanwhile, the motor speed regulator 12 and the power adapter 13 are connected to the integrated circuit board through the power cord;
the oscillating device 10 comprises a supporting plate 1001, a fan-shaped rotating frame 1002, a roller 1003, a connecting frame 1004, a movable plate 1005 and a threaded knob 1005 a; the front side, the rear side and the lower side of the two supporting plates 1001 are connected to the inner wall of the control chamber, the two ends of the connecting frame 1004 are connected to the middle position between the two supporting plates 1001, the two ends of the roller 1003 are hinged to the lower end position between the two supporting plates 1001, and the right end of the roller 1003 penetrates through the supporting plates 1001 to be connected with the acting end of the motor 11;
an inclined annular track 1003a is arranged on the outer side wall of the roller 1003, and the roller 1003 rotates to enable the lower end of the fan-shaped rotating frame 1002 to swing left and right, so that the upper end of the fan-shaped rotating frame 1002 is driven to swing left and right;
the upper end of the fan-shaped rotating frame 1002 is of a fan-shaped structure, and a gear is arranged on the edge of the fan shape, so that the movable plate 1005 can be pushed leftwards or rightwards to move leftwards and rightwards when the fan-shaped rotating frame 1002 rotates; the lower end of the sector rotating frame 1002 is of a strip-shaped structure, wherein the middle part of the sector rotating frame 1002 is hinged to the middle part of the connecting frame 1004, the lower end of the sector rotating frame 1102 is connected with a pulley, and the pulley extends into the track 1003a of the rotary drum 1003; the gear part at the upper end of the fan-shaped rotating frame 1002 is just clamped at the gear part at the lower end of the movable plate 1005;
the lower end of the sliding plate 1005 is provided with a gear, the upper end of the sliding plate 1005 is provided with a clamp, the clamp is connected with one end of the support frame, and meanwhile, a threaded knob 1005a is arranged at the joint part, so that the support frame 9 can be fixed conveniently; the other end of the supporting frame 9 is detachably connected with the test tube rack 8.
Example 1
The utility model relates to a neonate's hemolytic disease diffuses concrete application when experiment is with red blood cell water bath oscillation device uses and is: in the actual use process, a switch 5 is required to be pressed to start the device, a button 4 is pressed to select functions and setting conditions according to an operation interface of a display 3, the water temperature is set to be 56 ℃, the device can heat water in the pool, and the water temperature is kept at 56 ℃; placing a test tube filled with red blood cells on a test tube rack 8, adjusting the position, immediately pressing a button 4 to select an oscillation function and set oscillation time, driving the test tube rack 8 to shake for 10min in warm water for oscillation and diffusion, stopping oscillation after reaching the time, and taking out diffusion liquid in the test tube for detection; the temperature sensor 6 monitors the temperature of the water in the water bath tank 1 in real time, transmits signals to the integrated circuit board 14, converts electric signals into digital signals through a signal amplifying circuit and an A/D conversion circuit on the integrated circuit board 14 and transmits the digital signals to the processor 15, a program operated by the processor 15 analyzes data, and when the temperature is lower than 56 ℃, the program sends out an instruction, is communicated with a power supply of the electric heating rod 7 and heats the water in the water bath tank 1; when the temperature is higher than 56 ℃, an instruction is sent to cut off the power supply of the electric heating rod 7, and the heating is stopped, so that the heating and heat preservation processes of the water are completed;
example 2
The utility model relates to a neonate's hemolytic disease diffuses concrete application when experiment is used with erythrocyte water bath oscillation device and is: in the actual use process, a switch 5 is required to be pressed to start the device, a button 4 is pressed to select functions and setting conditions according to an operation interface of a display 3, the water temperature is set to be 56 ℃, the device can heat water in the pool, and the water temperature is kept at 56 ℃; placing a test tube filled with red blood cells on a test tube rack 8, adjusting the position, immediately pressing a button 4 to select an oscillation function and set oscillation time, driving the test tube rack 8 to shake for 10min in warm water for oscillation and diffusion, stopping oscillation after reaching the time, and taking out diffusion liquid in the test tube for detection; when the oscillation function is selected, the program operated by the processor 15 can send an instruction to be communicated with the power supply of the motor 11, and the motor speed regulator 12 controls the voltage of the motor 11 communicated with the power supply to realize the speed increasing or reducing of the rotation speed of the motor 11; the motor 11 rotates to drive the rotating cylinder 1003 to rotate, the lower end of the fan-shaped rotating frame 1002 can shake left and right along with the track 1003a in a reciprocating mode when the rotating cylinder 1003 rotates, the sliding plate 1005 can be driven to move left and right in the left and right shaking process of the fan-shaped rotating frame 1002, the supporting frame 9 connected with the sliding plate is driven to move left and right in a reciprocating mode, and the test tube rack 8 connected with the supporting frame 9 is driven to shake back and forth; meanwhile, the program run by the processor 15 will be actively timed, and will issue an instruction to stop the oscillation process when the preset time point is reached.
The operation principle and the specific use method are as follows:
firstly, in the actual use process, a switch 5 is required to be pressed to start the device, a button 4 is pressed to select functions and setting conditions according to an operation interface of a display 3, the water temperature is set to be 56 ℃, the device can heat water in a pool, and the water temperature is kept to be 56 ℃; placing the test tube filled with red blood cells on a test tube rack 8, adjusting the position, immediately pressing a button 4 to select an oscillation function and set oscillation time, driving the test tube rack 8 to shake for 10min left and right in warm water for oscillation diffusion, stopping oscillation after reaching the time, and taking out diffusion liquid in the test tube for detection;
secondly, the temperature sensor 6 monitors the temperature of the water in the water bath tank 1 in real time, transmits signals to the integrated circuit board 14, converts electric signals into digital signals through a signal amplifying circuit and an A/D conversion circuit on the integrated circuit board 14 and transmits the digital signals to the processor 15, a program operated by the processor 15 analyzes data, and when the temperature is lower than 56 ℃, the program sends out an instruction to connect a power supply of the electric heating rod 7 to heat the water in the water bath tank 1; when the temperature is higher than 56 ℃, an instruction is sent to cut off the power supply of the electric heating rod 7, and the heating is stopped, so that the heating and heat preservation processes of the water are completed;
finally, when the oscillation function is selected, the program operated by the processor 15 sends an instruction to connect the power supply of the motor 11, and the motor speed regulator 12 controls the voltage of the power supply connected with the motor 11, so that the rotation speed of the motor 11 is increased or decreased; the motor 11 rotates to drive the rotating cylinder 1003 to rotate, the lower end of the fan-shaped rotating frame 1002 can shake left and right along with the track 1003a in a reciprocating mode when the rotating cylinder 1003 rotates, the sliding plate 1005 can be driven to move left and right in the left and right shaking process of the fan-shaped rotating frame 1002, the supporting frame 9 connected with the sliding plate is driven to move left and right in a reciprocating mode, and the test tube rack 8 connected with the supporting frame 9 is driven to shake back and forth; meanwhile, the program run by the processor 15 will count up actively, and will issue an instruction to stop the oscillation process when the preset time point is reached.
In summary, 1, the erythrocyte water bath oscillation device for the hemolytic disease diffusion experiment of the newborn can heat water bath water to keep the temperature of the water bath water at 56 ℃;
2. the erythrocyte water bath oscillation device for the neonatal hemolytic disease diffusion experiment can rock the test tube rack back and forth left and right, so that the process of oscillating erythrocyte test tubes in water is realized, the oscillation frequency is stable, and the erythrocyte water bath oscillation effect is good;
3. this laboratory erythrocyte water bath oscillation device is diffused to neonate's hemolytic disease can time oscillation process, can the automatic shutdown oscillation process when reaching the time point, avoids the oscillation time overlength for the oscillation effect is not good, influences final result.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a neonate's hemolytic disease diffuses experiment and uses red blood cell water bath oscillation device which characterized in that includes: the device comprises a water bath box, a cover, a display, a button, a switch, a temperature sensor, an electric heating rod, a test tube rack, a support frame, an oscillating device, a motor speed regulator, a power adapter, an integrated circuit board, a processor, a memory and a digital-to-analog converter;
the utility model discloses a water bath box, including water bath box, the intermediate layer of water bath box inside bottom surface is equipped with the intermediate layer, the intermediate layer is equipped with the electric heating rod, the upper end opening part of water bath box is equipped with the test-tube rack, oscillation device is connected to the other end of test-tube rack detachable joint support frame's one end support frame, oscillation device locates in the control room of water bath box rear side, still be equipped with the motor in the control room, the motor speed regulator, power adapter and integrated circuit board etc. be connected with the treater on the integrated circuit board, memory and digital-analog converter etc..
2. The erythrocyte water bath oscillation device for hemolytic disease diffusion experiments of newborn of claim 1, wherein the electric heating rod is arranged in an interlayer on the bottom surface inside the water bath box and is connected to the integrated circuit board through a power line; meanwhile, the temperature sensor, the display, the button, the switch and the like are connected to the integrated circuit board through power lines, and the memory and the digital-to-analog converter on the integrated circuit board are connected to the processor through lines; the oscillating device is connected with a work-doing part of the motor, the motor is connected to the motor speed regulator through a power line and then connected to the power adapter through the power line, and meanwhile, the motor speed regulator and the power adapter are connected to the integrated circuit board through the power line.
3. The erythrocyte water bath oscillation device for hemolytic disease diffusion experiments of newborns, which is characterized by comprising a supporting plate, a fan-shaped rotating frame, a roller, a connecting frame, a movable plate and a threaded knob, wherein the supporting plate is fixedly connected with the fan-shaped rotating frame; the front side, the rear side and the lower side of the two supporting plates are connected to the inner wall of the control chamber, the two ends of the connecting frame are connected to the middle position between the two supporting plates, the two ends of the roller are hinged to the lower end position between the two supporting plates, and the right end of the roller penetrates through the supporting plates to be connected with the acting end of the motor.
4. The erythrocyte water bath oscillation device for hemolytic disease diffusion experiments of newborn of claim 3, wherein an inclined annular track is arranged on the outer side wall of the roller.
5. The erythrocyte water bath oscillation device for hemolytic disease diffusion experiments of newborns, according to claim 3, wherein the upper end of the fan-shaped rotating frame is of a fan-shaped structure, the edge of the fan-shaped rotating frame is provided with a gear, the lower end of the fan-shaped rotating frame is of a strip-shaped structure, the middle part of the fan-shaped rotating frame is hinged to the middle part of the connecting frame, the lower end of the fan-shaped rotating frame is connected with a pulley, and the pulley extends into the track of the rotary drum; the gear part at the upper end of the fan-shaped rotating frame is just clamped at the gear part at the lower end of the movable plate.
6. The erythrocyte water bath oscillation device for the hemolytic disease diffusion experiment of the newborn as claimed in claim 3, wherein the lower end of the movable plate is provided with a gear, the upper end of the movable plate is provided with a clamp, the clamp is connected with one end of the supporting frame, and a threaded knob is arranged at the joint; the other end of the supporting frame is detachably connected with the test tube rack.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120972801.XU CN217392202U (en) | 2021-05-08 | 2021-05-08 | Newborn hemolytic disease diffuses red blood cell water bath oscillation device for experiment |
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| CN202120972801.XU CN217392202U (en) | 2021-05-08 | 2021-05-08 | Newborn hemolytic disease diffuses red blood cell water bath oscillation device for experiment |
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