Automatic shaking and sample adding device and blood gas biochemical analysis equipment

Abstract

The invention discloses an automatic shaking and sample adding device and blood gas biochemical analysis equipment. The automatic uniform shaking and sample adding device comprises a bottom plate, a sample frame moving assembly, a clamping and rotating assembly and a three-dimensional sample conveying assembly. The sample rack movement assembly is arranged on the bottom plate and comprises a sample rack movement motor, a test tube rack clamping seat and a test tube rack, the test tube rack is provided with a plurality of sample positions, annular grooves are formed in the edges of the tops of the sample positions, and the sealing caps are embedded into the annular grooves; the clamping rotating assembly comprises a rotating clamping jaw and clamping jaw heads, and the rotating clamping jaw clamps the two opposite side walls of the artery blood taking needle through the two clamping jaw heads. The three-dimensional sample feeding assembly is in transmission connection with the clamping and rotating assembly and used for driving the clamping and rotating assembly to move in the three-dimensional space. Through the cooperative design of the sealing cap and the sample frame, the problem that an artery blood taking needle sample cannot be automatically loaded on a machine is solved. And the rotary clamping assembly simulates a manual shaking mode to realize reverse mixing of the sample, so that a consistent mixing effect is achieved, and the detection accuracy is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical devices, in particular to an automatic shaking and sample adding device and a blood gas biochemical analysis equipment. BACKGROUND

[0002] The blood gas biochemical analyzer is an instrument for measuring the pH, PCO2 and PO2 in blood within a short time by using electrodes. The sample used by the blood gas biochemical analyzer is an arterial blood needle. Before detection, the arterial blood needle needs to be shaken manually and then inserted into the sample suction port of the instrument.

[0003] In the prior art, manual shaking may cause poor shaking effect or hemolysis of blood cells during the shaking process due to different operations, which affects the detection result and the treatment of patients. Meanwhile, manually adding samples one by one occupies a lot of time of medical staff, resulting in waste of medical resources.

[0004] In order to adapt to the development of medical automation, save the increasingly scarce medical resources, and reduce the detection errors caused by human operation, it is necessary to invent an automatic shaking and sample adding device for a blood gas biochemical analyzer. SUMMARY

[0005] The present application aims to overcome the above technical deficiencies and provide an automatic shaking and sample adding device and a blood gas biochemical analysis equipment to solve the technical problems of poor shaking effect, inaccurate detection result and increased labor cost in the prior art.

[0006] To achieve the above technical purpose, the present application adopts the following technical scheme: In a first aspect, the present application provides an automatic shaking and sample adding device, comprising a bottom plate, a sample rack movement assembly, a clamping and rotating assembly, and a three-dimensional sample feeding assembly.

[0007] The bottom plate; The sample rack movement assembly is arranged on the bottom plate and comprises a sample rack movement motor, a test tube rack holder and a test tube rack. The sample rack movement motor is in transmission connection with the test tube rack holder. The test tube rack holder is in detachable connection with the test tube rack. A plurality of sample sites are arranged in the test tube rack. Each sample site is used for accommodating an arterial blood needle. A ring groove is formed in the top edge of each sample site. A sealing cap is embedded in the ring groove through interference fit, and is used for fixing the arterial blood needle. The clamping and rotating assembly comprises a rotating clamping jaw and a jaw head. The rotating clamping jaw clamps the two side walls of the arterial blood needle opposite to each other through the two jaw heads. The three-dimensional sample feeding assembly is in transmission connection with the clamping and rotating assembly, and is used for driving the clamping and rotating assembly to move in three-dimensional space.

[0008] In some embodiments of the present application, the sample rack movement assembly comprises a sample rack movement motor, a driving synchronous wheel, a driven synchronous wheel, a synchronous belt, a synchronous belt connector, a sliding block, a sliding rail; The driving synchronous wheel is connected with the rotating shaft of the sample rack movement motor, the driven synchronous wheel is connected with the driving synchronous wheel through the synchronous belt, the synchronous belt is connected with the test tube rack holder through the synchronous belt connector, and the test tube rack holder is connected with the sliding rail through the sliding block.

[0009] In some embodiments of the present application, the sample rack movement assembly comprises a sample rack movement origin light sensor, a code scanner mounting piece, a code scanner, and a sample presence detection light sensor. The sliding rail, the code scanner mounting piece, and the sample rack movement origin light sensor are fixed on the bottom plate, and the sample presence detection light sensor and the code scanner are fixed on the code scanner mounting piece and face the test tube rack.

[0010] In some embodiments of the present application, a suction magnet is further included, the suction magnet is fixedly connected with the test tube rack holder, and the test tube rack is embedded with metal and is connected with the suction magnet through suction.

[0011] In some embodiments of the present application, the three-dimensional sample feeding assembly comprises three axial movement modules connected with each other in pairs.

[0012] In some embodiments of the present application, the three axial movement modules comprise a first guide rail, a first sliding block, a first driven wheel, a first driving wheel, a first synchronous belt, a first motor, a first connector, a first back plate, a second guide rail, a second sliding block, a second driven wheel, a second driving wheel, a second synchronous belt, a second motor, a second back plate, a third motor, a third guide rail, a third sliding block, a third driven wheel, a third driving wheel, a third synchronous belt, and a rotating assembly connector. The rotating shaft of the first motor is connected with the first driving wheel, the first driven wheel is connected with the first driving wheel through the first synchronous belt, the first connector is connected with the first synchronous belt and is connected with the first guide rail through the first sliding block; The second motor is fixedly connected with the first connector through the first back plate, the rotating shaft of the second motor is connected with the second driving wheel, the second driven wheel is connected with the second driving wheel through the second synchronous belt, the second back plate is connected with the second synchronous belt and is connected with the second guide rail through the second sliding block; The third motor is fixedly connected with the second back plate and has a rotating shaft connected with the third driving wheel, the third driven wheel is connected with the third driving wheel through the third synchronous belt, the rotating assembly connector is connected with the third synchronous belt and is slidably connected with the third sliding block through the third guide rail, and the rotating clamping jaw is fixedly connected with the rotating assembly connector.

[0013] In some embodiments of the present application, the three-dimensional sample feeding assembly comprises a first arrival light sensor, a first origin light sensor, a second origin light sensor, and a third origin light sensor. The first guide rail, the first arrival light sensor, and the first origin light sensor are fixed to the bottom plate, the second guide rail and the second origin light sensor are fixed to the first back plate, and the third guide rail and the third origin light sensor are fixed to the second back plate.

[0014] In some embodiments of the present application, the clamping rotating assembly comprises a buffer pad fixed to the inner side of each of the two jaws.

[0015] In some embodiments of the present application, a control module and a communication module are further included, the controller is electrically connected with the sample holder movement assembly, the three-dimensional sample feeding assembly, the clamping rotating assembly, and the communication module, and the communication module is used for connecting the blood gas biochemical analyzer.

[0016] In a second aspect, the present application further provides a blood gas biochemical analysis device comprising a blood gas biochemical analyzer and an automatic shaking and sample feeding device according to any one of the embodiments of the first aspect.

[0017] Compared with the prior art, the technical scheme provided by the present application has the following beneficial technical effects: The automatic shaking and sample feeding device provided by the present application solves the problem that an arterial blood sampling needle sample cannot be automatically fed into a machine by the cooperation of the sealing cap and the sample holder, is compatible with all conventional arterial blood sampling needles, does not need additional modification, and significantly reduces the cost. The rotating clamping assembly simulates the manual shaking method to realize the overturning and mixing of the sample, the mixing effect is stable and reliable, and the program control ensures that each sample achieves consistent mixing effect, avoids hemolysis or uneven mixing caused by manual operation difference, and improves the detection accuracy. The three-dimensional sample feeding assembly has multiple degrees of freedom, accurately feeds the sample to the sample suction port of the blood gas biochemical analyzer, realizes fully automatic sample feeding, reduces the manual operation steps and waiting time, and improves the detection efficiency. The device can process samples in batches without manual shaking and sample feeding one by one, reduces the burden of medical staff, and saves medical resources. The overall structure is reasonable, and stable clamping, mixing, and accurate sample feeding are realized on the premise that the piston rod of the arterial blood sampling needle is not pressed, thereby solving the pain point that the traditional method cannot be automatically operated. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the present application, the drawings needed in the embodiments will be briefly introduced as follows: Figure 1 is a structural schematic diagram of an automatic shaking and sampling device in the embodiments of the present application; Figure 2 is a structural schematic diagram of a sample rack movement assembly in the embodiments of the present application; Figure 3 is a structural schematic diagram of a test tube rack in the embodiments of the present application; Figure 4 is a structural schematic diagram of a three-dimensional sample feeding assembly in the embodiments of the present application; Figure 5 is a structural schematic diagram of a clamping and rotating assembly in the embodiments of the present application; Figure 6 is a structural schematic diagram of a blood gas and biochemical analysis device in the embodiments of the present application.

[0019] Reference signs: bottom plate 1, sample rack movement assembly 2, clamping and rotating assembly 3, three-dimensional sample feeding assembly 4, blood gas and biochemical analysis device 5; test tube rack clamping seat 201, test tube rack 202, sealing cap 203, arterial blood sampling needle 204, sample rack movement motor 205, driving synchronous wheel 206, driven synchronous wheel 207, synchronous belt 208, synchronous belt connecting piece 209, sliding block 210, sliding rail 211, sample rack movement origin light sensor 212, code scanner mounting piece 213, code scanner 214, sample presence / absence detection light sensor 215, adsorption magnet 216; rotary clamping jaw 301, clamping jaw head 302, buffer pad 303; first guide rail 401, first sliding block 402, first driven wheel 403, first driving wheel 404, first synchronous belt 405, first motor 406, first connecting piece 407, first back plate 408, second guide rail 409, second driven wheel 410, second synchronous belt 411, second motor 412, third motor 413, third guide rail 414, third driven wheel 415, third driving wheel 416, third synchronous belt 417, rotating assembly connecting piece 418, first arrival light sensor 419, first origin light sensor 420, third origin light sensor 421. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solutions and advantages of the present application more clear and understandable, the present application will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0021] Those skilled in the art will understand that, in this specification, the term "comprising" is an open-ended expression, meaning that the stated feature is present but other features are excluded. Directional terms such as "upper," "lower," "left," and "right" refer to exemplary directions based on the accompanying drawings. Features specified as "first" or "second" implicitly include one or more of that feature. Singular expressions can also be used in plural forms. "Multiple" means two or more. The terms "installed," "connected," and "linked" can refer to a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection via an intermediate medium, and it can be a connection within two components. Furthermore, "linked" can include wireless connections.

[0022] The purpose of this application is to overcome the above-mentioned technical deficiencies and propose an automatic shaking and sample adding device and a blood gas biochemical analysis equipment to solve the technical problems of poor shaking effect, inaccurate test results, and increased labor costs in the prior art.

[0023] To achieve the above-mentioned technical objectives, this application adopts the following technical solution: like Figures 1-5 As shown. In a first aspect, this application provides an automatic shaking and sample dispensing device, including a base plate 1, a sample holder motion assembly 2, a clamping and rotating assembly 3, and a three-dimensional sample delivery assembly 4.

[0024] The sample rack motion assembly 2 is mounted on the base plate 1 and includes a test tube rack holder 201, a test tube rack 202 detachably connected to the test tube rack holder 201, and a sample rack motion motor 205. The test tube rack 202 has multiple sample positions, each of which is used to accommodate one arterial blood collection needle 204. An annular groove is formed at the top edge of each sample position, and a sealing cap 203 is inserted into the annular groove through an interference fit to fix the arterial blood collection needle 204. First, the test tube rack 202 containing the arterial blood collection needle 204 is placed on the test tube rack holder 201. The sample rack motion assembly 2 can move the test tube rack 202 as needed to align a specific sample position with the operating position.

[0025] The clamping and rotating assembly 3 includes rotating clamping jaws 301 and jaw heads 302. The rotating clamping jaws 301 clamp the opposing side walls of the arterial blood collection needle 204 through the two jaw heads 302. After the clamping is stable, the clamping and rotating assembly 3 begins to mimic a manual shaking motion, inverting and mixing to ensure that the blood sample is fully mixed.

[0026] The three-dimensional sample feeding assembly 4 is in transmission connection with the clamping and rotating assembly 3 and is used to drive the clamping and rotating assembly 3 to move in a three-dimensional space. The three-dimensional sample feeding assembly 4 drives the clamping and rotating assembly 3 to move in a three-dimensional space, and accurately feeds the arterial blood sampling needle 204 to the sample suction port of the blood gas biochemical analyzer. The device can simultaneously and continuously process multiple samples, improve the detection efficiency, and ensure the mixing effect and detection accuracy of each sample. During the entire operation process, the device design ensures that the piston rod of the arterial blood sampling needle 204 is not pressed, avoids damaging the sample, and ensures the reliability of the detection result.

[0027] The automatic mixing and sample feeding device provided in the application solves the problem that the arterial blood sampling needle 204 sample cannot be automatically fed into the machine through the cooperation design of the sealing cap 203 and the sample holder, is compatible with all conventional arterial blood sampling needles 204, does not need additional modification, and significantly reduces the cost. The rotating clamping assembly simulates the manual mixing method to realize the overturning and mixing of the sample, the mixing effect is stable and reliable, and the program control ensures that each sample achieves consistent mixing effect, avoids hemolysis or uneven mixing caused by manual operation difference, and improves the detection accuracy. The three-dimensional sample feeding assembly 4 cooperates with multiple degrees of freedom to accurately feed the sample to the sample suction port of the blood gas biochemical analyzer, realizes fully automatic sample feeding, reduces the manual operation steps and waiting time, and improves the detection efficiency. The device can process samples in batches without manual mixing and sample feeding one by one, reduces the burden of medical staff, and saves medical resources. The overall structure is reasonable, realizes stable clamping, mixing and accurate sample feeding under the premise that the piston rod of the arterial blood sampling needle 204 is not pressed, and solves the pain point that the traditional method cannot be automatically operated.

[0028] In some embodiments of the application, the sample holder movement assembly 2 includes a sample holder movement motor 205, a driving synchronous wheel 206, a driven synchronous wheel 207, a synchronous belt 208, a synchronous belt connecting piece 209, a sliding block 210, and a sliding rail 211. The driving synchronous wheel 206 is connected with the rotating shaft of the sample holder movement motor 205, the driven synchronous wheel 207 is connected with the driving synchronous wheel 206 through the synchronous belt 208, the synchronous belt 208 is connected with the test tube holder clamping seat 201 through the synchronous belt connecting piece 209, and the test tube holder clamping seat 201 is slidingly connected with the sliding rail 211 through the sliding block 210.

[0029] The slide rail 211, the code scanner mounting member 213, and the sample rack movement origin light sensor 212 are fixed on the bottom plate 1; the sample rack movement motor 205 is fixed on the bottom plate 1 through a metal adapter, the driving synchronous wheel 206 and the motor rotating shaft are fixed, and the driving synchronous wheel 206 and the driven synchronous wheel 207 are connected through the synchronous belt 208; the sliding block 210 can slide on the slide rail 211, the test tube rack clamping seat 201 is fixed on the sliding block 210, and the test tube rack magnet is fixed on the test tube rack clamping seat 201; the synchronous belt connecting member 209 fixes the synchronous belt 208 and the test tube rack clamping seat 201 together; the test tube rack 202 is placed on the test tube rack clamping seat 201 and is attracted by the test tube rack magnet at the end; there are five sample positions on the test tube rack 202, and five arterial blood collection needles 204 with sealing caps 203 can be placed; the sample presence / absence detection light sensor 215 and the code scanner 214 are fixed on the code scanner mounting member 213.

[0030] In some embodiments of the present application, the sample rack movement assembly 2 comprises a sample rack movement origin light sensor 212, a code scanner mounting member 213, a code scanner 214, and a sample presence / absence detection light sensor 215. The slide rail 211, the code scanner mounting member 213, and the sample rack movement origin light sensor 212 are fixed on the bottom plate 1, and the sample presence / absence detection light sensor 215 and the code scanner 214 are fixed on the code scanner mounting member 213 and face the test tube rack 202.

[0031] The sample presence / absence detection light sensor 215 and the code scanner 214 can automatically detect the sample position and identify the sample information. The design ensures the movement reference through the origin light sensor, automatically reads the sample bar code through the code scanner, and monitors the sample in-place condition in real time through the sample detection light sensor, realizes the precise positioning, automatic identification, and state monitoring of the sample, and greatly improves the automation degree and operation reliability.

[0032] In some embodiments of the present application, an adsorption magnet 216 is further included, the adsorption magnet 216 is fixedly connected with the test tube rack clamping seat 201, and the test tube rack 202 is embedded with metal and is adsorbed and connected with the adsorption magnet 216.

[0033] The test tube rack 202 is embedded with metal material and can be magnetically adsorbed with the adsorption magnet 216. This magnetic adsorption mode realizes the rapid positioning and stable connection of the test tube rack 202 and the clamping seat 201, guarantees the stability of the test tube rack during movement, and is convenient for an operator to quickly assemble, disassemble, and replace the sample rack. The magnetic connection mode avoids the wear problem of the traditional mechanical buckle, prolongs the service life of the equipment, simplifies the operation process, and makes the replacement of the sample rack more convenient and efficient.

[0034] In some embodiments of the present application, the three-dimensional sample feeding assembly 4 comprises three axial movement modules connected vertically two by two.

[0035] The three-dimensional sample feeding assembly 4 adopts three axial movement modules connected vertically two by two, and realizes accurate positioning and flexible movement of the clamping and rotating assembly 3 in three-dimensional space through three-axis linkage. The structure drives the ball screw or synchronous belt transmission through the servo motor, so that the arterial blood sampling needle can complete the full-automatic transfer from the sample rack to the sample suction port according to the preset trajectory. The orthogonal layout of the three axes not only ensures the movement accuracy, but also reduces the assembly difficulty through the modular design.

[0036] In some embodiments of the present application, the three axial movement modules comprise a first guide rail 401, a first sliding block 402, a first driven wheel 403, a first driving wheel 404, a first synchronous belt 405, a first motor 406, a first connecting piece 407, a first back plate 408, a second guide rail 409, a second sliding block, a second driven wheel 410, a second driving wheel, a second synchronous belt 411, a second motor 412, a second back plate, a third motor 413, a third guide rail 414, a third sliding block, a third driven wheel 415, a third driving wheel 416, a third synchronous belt 417, and a rotating assembly connecting piece 418. The rotating shaft of the first motor 406 is connected with the first driving wheel 404, the first driven wheel 403 is connected with the first driving wheel 404 through the first synchronous belt 405, and the first connecting piece 407 is connected with the first synchronous belt 405 and slidably connected with the first guide rail 401 through the first sliding block 402. The second motor 412 is fixedly connected with the first connecting piece 407 through the first back plate 408, and the rotating shaft thereof is connected with the second driving wheel. The second driven wheel 410 is connected with the second driving wheel through the second synchronous belt 411. The second back plate is connected with the second synchronous belt 411 and slidably connected with the second guide rail 409 through the second sliding block. The third motor 413 is fixedly connected with the second back plate, and the rotating shaft thereof is connected with the third driving wheel 416. The third driven wheel 415 is connected with the third driving wheel 416 through the third synchronous belt 417. The rotating assembly connecting piece 418 is connected with the third synchronous belt 417 and slidably connected with the third guide rail 414 through the third sliding block. The rotating clamping jaw 301 is fixedly connected with the rotating assembly connecting piece 418.

[0037] The three-dimensional sample feeding assembly 4 comprises an X guide rail, an X sliding block, an X to-position light sensor, an X origin light sensor, an X driven wheel, an X driving wheel, an X synchronous belt, a three-dimensional X motor, an X and Z connecting piece, a Z back plate, a Z guide rail, a Z sliding block, a Z driven wheel, a Z driving wheel, a Z synchronous belt 208, a Z motor, a Y back plate, a Y motor, a Y guide rail, a Y sliding block, a Y driven wheel, a Y driving wheel, a Y synchronous belt, and a rotating assembly connecting piece 418. The X guide rail, the X to-position light sensor, and the X origin light sensor are fixed on the bottom plate 1. The three-dimensional X motor and the X driven wheel are fixed on the bottom plate 1 through a metal piece. The X driving wheel is fixed on the rotating shaft of the three-dimensional X motor. The X driving wheel and the X driven wheel are connected through the X synchronous belt. The X sliding block is on the X guide rail and can slide along the guide rail. The X and Z connecting piece is fixed on the X sliding block. The Z back plate is fixed on the X and Z connecting piece. The Z guide rail and the Z origin light sensor are fixed on the Z back plate. The Z motor and the Z driven wheel are fixed on the Z back plate through a metal piece. The Z driving wheel is fixed on the rotating shaft of the Z motor. The Z driving wheel and the Z driven wheel are connected through the Z synchronous belt. The Z sliding block is on the Z guide rail and can slide along the guide rail. The Y back plate is fixed on the Z sliding block. The Y guide rail and the Y origin light sensor are fixed on the Y back plate. The Y motor and the Y driven wheel are fixed on the bottom plate 1 through a metal piece. The Y driving wheel is fixed on the rotating shaft of the Y motor. The Y driving wheel and the Y driven wheel are connected through the Y synchronous belt. The Y sliding block is on the Y guide rail and can slide along the guide rail. The rotating assembly connecting piece 418 is fixed on the Y sliding block.

[0038] In some embodiments of the present application, the three-dimensional sample feeding assembly 4 comprises a first to-position light sensor 419, a first origin light sensor 420, a second origin light sensor, and a third origin light sensor 421. The first guide rail 401, the first to-position light sensor 419, and the first origin light sensor 420 are fixed on the bottom plate 1. The second guide rail 409 and the second origin light sensor are fixed on the first back plate 408. The third guide rail 414 and the third origin light sensor 421 are fixed on the second back plate.

[0039] The first guide rail 401 and the light sensors thereof are fixed on the bottom plate 1 to establish the X-axis reference. The second guide rail 409 and the light sensors thereof are fixed on the first back plate 408 to determine the Y-axis reference. The third guide rail 414 and the light sensors thereof are fixed on the second back plate to establish the Z-axis reference. The multi-stage light sensor system realizes initial positioning calibration through the origin light sensors of each axis, and cooperates with the to-position light sensor to ensure the precision of the moving end point, forming a closed-loop control. The cumulative error is effectively eliminated.

[0040] In some embodiments of the present application, the clamping and rotating assembly 3 comprises a buffer pad 303 fixed on the inner side of each of the two clamping jaws.

[0041] The buffer pad 303 can adopt a silica gel pad, wherein the rotating clamping jaw 301 is fixed on the rotating assembly connector 418, the jaw head 302 is fixed on the rotating clamping jaw 301, and the silica gel pad is fixed on the jaw head 302.

[0042] The clamping rotating assembly 3 realizes flexible clamping of the arterial blood sampling needle 204 by arranging the silica gel buffer pad 303 inside the jaw head 302. The high friction coefficient and elastic deformation characteristics of the silica gel pad can firmly grasp blood sampling needles of different diameters and avoid the risk of sample tube extrusion deformation or rupture caused by rigid clamps.

[0043] In some embodiments of the present application, a control module and a communication module are further included, and the controller is electrically connected with the sample rack movement assembly 2, the three-dimensional sample feeding assembly 4, the clamping rotating assembly, and the communication module, respectively. The communication module is used for connecting a blood gas biochemical analyzer.

[0044] The sample rack movement assembly 2 can drive the sample rack to move forward and backward, judge whether there is a sample on the sample rack hole, and perform barcode identification on the sample. The sample rack can be adapted to all arterial blood sampling needles 204 on the market through the sealing cap 203. The clamping rotating assembly 3 can clamp the arterial blood sampling needle 204 and invert and mix the arterial blood sampling needle 204 in the circumferential direction. The inversion and mixing speed and angle can be adjusted. The three-dimensional sample feeding assembly 4 includes forward and backward, left and right, and upward and downward three-dimensional movement, which can realize the sample staying at any point in the space within the stroke range of the arterial blood sampling needle 204.

[0045] The specific working process is as follows: manually install the sealing cap 203 on the arterial blood sampling needle 204, place the sample with the barcode aligned with the left vertical surface of the sample rack into the sample rack, and place the sample rack into the sample rack movement assembly 2. The sample rack movement assembly 2 senses the placement of the sample rack, automatically moves into the machine, detects whether there is a sample in each hole of the sample rack, and performs barcode scanning to establish a detection task.

[0046] The three-dimensional sample feeding assembly 4 sends the clamping rotating assembly 3 to the sampling position through three-dimensional combination movement of X, Y, and Z, and the rotating clamping assembly clamps the arterial blood sampling needle 204 from the sample rack. The three-dimensional sample feeding assembly 4 sends the clamping rotating assembly 3 to the shaking position through three-dimensional combination movement of X, Y, and Z, and the clamping rotating assembly 3 inverts and mixes the arterial blood sampling needle 204 in the forward and reverse directions. After shaking, the three-dimensional sample feeding assembly 4 sends the sample to the sample suction port of the blood gas biochemical analyzer through three-dimensional combination movement of X, Y, and Z. After completing the sample suction, the three-dimensional sample feeding assembly 4 returns the sample to the sample rack through three-dimensional combination movement of X, Y, and Z.

[0047] As Figure 6The second aspect, the application also provides a blood gas biochemical analysis device, comprising a blood gas biochemical analyzer and the automatic shaking and sampling device as any one of the embodiments of the first aspect.

[0048] Compared with the prior art, the technical scheme provided by the application has the beneficial technical effects including: The arterial blood sampling needle 204 has different lengths due to different blood sampling amounts, and the tail piston rod cannot be pressed, so it cannot be placed in the sample holder for direct shaking and detection like a conventional venous blood sampling tube. Only one company, Redomed, can achieve shaking and uniformity of the arterial blood sampling tube by adding a metal bead in the syringe to achieve the shaking function, but the cost is significantly increased. The automatic shaking and sampling device provided by the application solves the problem that the sample of the arterial blood sampling needle 204 (similar to a syringe structure) cannot be automatically loaded into the machine by the cooperation design of the sealing cap 203 and the sample holder, and is compatible with all conventional arterial blood sampling needles 204; the rotary holding assembly simulates the manual shaking method to reverse and mix the sample, the mixing effect is reliable, and through the solidified program, each sample can achieve consistent mixing effect, eliminating the inaccurate results caused by the mixing operation difference of personnel, making the detection result more reliable; the three-dimensional sample feeding assembly 4 has multiple degrees of freedom, so that the arterial blood sampling needle 204 can send the sample to the sample suction port of the blood gas biochemical analyzer like a human hand, reducing the operation waiting time of the staff and saving valuable medical resources.

[0049] Those skilled in the art can understand that the steps, measures, schemes in the various operations, methods and processes discussed in the application can be alternated, changed, rearranged, decomposed, combined or deleted.

[0050] The specific embodiments of the application described above do not constitute a limitation on the scope of protection of the application. Any various other corresponding changes and modifications made according to the technical concept of the application should be included in the scope of protection of the claims of the application.

Claims

1. An automated vortexing sample loading device, characterized by, It comprises: a bottom plate; a sample rack movement assembly arranged on the bottom plate, comprising a sample rack movement motor, a test tube rack holder and a test tube rack, the sample rack movement motor is in transmission connection with the test tube rack holder, the test tube rack holder is in detachable connection with the test tube rack, a plurality of sample sites are arranged in the test tube rack, each of the sample sites is used for accommodating an arterial blood sampling needle, a ring groove is formed in the top edge of each of the sample sites, and a sealing cap is embedded in the ring groove through interference fit for fixing the arterial blood sampling needle; a clamping and rotating assembly comprising a rotating clamping jaw and a jaw head, the rotating clamping jaw clamps two side walls of the arterial blood sampling needle opposite to each other through the jaw head; a three-dimensional sample feeding assembly in transmission connection with the clamping and rotating assembly, used for driving the clamping and rotating assembly to move in three-dimensional space.

2. The automatic mix-and-load device according to claim 1, wherein The sample rack movement assembly comprises a driving synchronous wheel, a driven synchronous wheel, a synchronous belt, a synchronous belt connector, a sliding block and a sliding rail. The driving synchronous wheel is connected with the rotating shaft of the sample rack movement motor, the driven synchronous wheel is connected with the driving synchronous wheel through the synchronous belt, the synchronous belt is connected with the test tube rack holder through the synchronous belt connector, and the test tube rack holder is in sliding connection with the sliding rail through the sliding block.

3. The automatic resuspension and sampling device of claim 2, wherein, The sample rack movement assembly comprises a sample rack movement origin light sensor, a code scanner mounting piece, a code scanner and a sample presence / absence detection light sensor. The sliding rail, the code scanner mounting piece and the sample rack movement origin light sensor are fixed on the bottom plate, and the sample presence / absence detection light sensor and the code scanner are fixed on the code scanner mounting piece and face the test tube rack.

4. The auto-mixing and sample loading device of claim 3, wherein, It further comprises an adsorption magnet, the adsorption magnet is fixedly connected with the test tube rack holder, the test tube rack is embedded with metal and is in adsorption connection with the adsorption magnet.

5. The automated resuspension and sampling device of claim 1, wherein, The three-dimensional sample feeding assembly comprises three axial movement modules connected perpendicularly in pairs.

6. The automated resuspension and dispensing device of claim 5, wherein, The three axial movement modules comprise a first guide rail, a first sliding block, a first driven wheel, a first driving wheel, a first synchronous belt, a first motor, a first connector, a first back plate, a second guide rail, a second sliding block, a second driven wheel, a second driving wheel, a second synchronous belt, a second motor, a second back plate, a third motor, a third guide rail, a third sliding block, a third driven wheel, a third driving wheel, a third synchronous belt and a rotating assembly connector. The rotating shaft of the first motor is connected with the first driving wheel, the first driven wheel is connected with the first driving wheel through the first synchronous belt, the first connector is connected with the first synchronous belt and is in sliding connection with the first guide rail through the first sliding block. The second motor is fixedly connected with the first connector through the first back plate and its rotating shaft is connected with the second driving wheel, the second driven wheel is connected with the second driving wheel through the second synchronous belt, the second back plate is connected with the second synchronous belt and is in sliding connection with the second guide rail through the second sliding block. The third motor is fixedly connected with the second back plate and has a rotating shaft connected with the third driving wheel, the third driven wheel is connected with the third driving wheel through the third synchronous belt, the rotating assembly connector is connected with the third synchronous belt and is slidably connected with the third sliding block through the third guide rail, and the rotating clamping jaw is fixedly connected with the rotating assembly connector.

7. The automated resuspension and dispensing device of claim 6, wherein, The three-dimensional sample feeding assembly comprises a first arrival light sensor, a first origin light sensor, a second origin light sensor and a third origin light sensor. The first guide rail, the first arrival light sensor and the first origin light sensor are fixed to the bottom plate, the second guide rail and the second origin light sensor are fixed to the first back plate, and the third guide rail and the third origin light sensor are fixed to the second back plate.

8. The automatic mix-and-load device of claim 1, wherein, The clamping rotating assembly comprises a buffer pad fixed to the inner side of each of the two jaws.

9. The automatic mix-and-load device of claim 1, wherein, The device further comprises a control module and a communication module, the controller is electrically connected with the sample holder movement assembly, the three-dimensional sample feeding assembly, the clamping rotating assembly and the communication module, and the communication module is used for connecting the blood gas biochemical analyzer.

10. A blood gas and biochemical analysis apparatus characterized by comprising: The device further comprises a blood gas biochemical analyzer. The device further comprises a blood gas biochemical analyzer.

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