Automatic blood sample extraction device and use method thereof

Abstract

The invention discloses an automatic blood sample extracting device and a using method thereof, and relates to the technical field of blood sample detection.The automatic blood sample extracting device comprises a rack, a sample frame for placing sample test tubes is arranged on the rack, and the rack is provided with a pushing mechanism corresponding to the sample frame and used for pushing the sample frame; the rack is provided with an extraction mechanism which corresponds to the sample test tube on the sample rack and is used for extracting a blood sample in the sample test tube, the rack is provided with a supply mechanism for supplying a reaction cup on one side of the pushing mechanism, and the extraction mechanism extracts the blood sample in the sample test tube and puts the blood sample into the reaction cup. The rack is provided with a reagent cabin for the extraction mechanism to extract a reagent, the rack is provided with a cleaning assembly on one side of the reagent cabin to clean the extraction mechanism after blood sample extraction, and then the extraction mechanism extracts a reaction reagent and adds the reaction reagent into the reaction cup, so that the blood sample and the reaction reagent are subjected to a contact reaction; the blood sample and the reaction reagent are quantitatively extracted through the extraction mechanism, so that the deviation of a blood sample detection result is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of blood sample detection, and in particular to an automatic blood sample extraction device and a method for using the same. Background Art

[0002] Many specific indicators in blood tests are commonly used sensitive indicators that are sensitive to many pathological changes in the body, among which white blood cell count, red blood cell count, hemoglobin and platelets are the most valuable for diagnostic reference. In addition, blood tests are also commonly used indicators for observing treatment effects, medication or discontinuation, continued treatment or discontinuation of treatment, and disease recurrence or recovery.

[0003] At present, blood samples are tested by manual sampling, which requires extracting part of the blood sample from the sample tube and putting it into a reaction cup, adding a reaction reagent, and testing after the blood sample reacts with the sample reagent.

[0004] Regarding the above-mentioned related technologies, the addition of reaction reagents to part of the drawn blood samples is currently done manually, and there are errors in the control of the ratio of sample reagents and blood sample extraction, which causes deviations in the test results after blood sample extraction. Summary of the invention

[0005] The purpose of the present application is to provide an automatic blood sample extraction device and a method for using the same, so as to improve the problem that errors exist in the ratio of manually extracted blood samples and reaction reagents, resulting in deviations in the test results after blood sample extraction.

[0006] The present application provides an automatic blood sample extraction device, which adopts the following technical solution: A blood sample automatic extraction device comprises a frame, wherein the frame is provided with a sample rack for placing sample test tubes, the frame is provided with a pushing mechanism corresponding to the sample rack for pushing the sample rack, the frame is provided with an extraction mechanism corresponding to the sample test tube on the sample rack for extracting blood samples from the sample test tubes, the frame is provided with a supply mechanism for supplying a reaction cup on one side of the pushing mechanism, the extraction mechanism extracts blood samples from the sample test tubes and places them into the reaction cup, the frame is provided with a reagent cabin for the extraction mechanism to extract reaction reagents on one side of the supply mechanism, and the frame is provided with a cleaning component for cleaning the extraction mechanism on one side of the reagent cabin.

[0007] By adopting the above technical scheme, the blood sample in the sample tube placed on the sample rack is extracted by the extraction mechanism arranged on the rack, the supply mechanism is arranged on the rack to drive the reaction cup to move, the extraction mechanism places the extracted blood sample into the reaction cup, and then the extraction mechanism contacts the cleaning component arranged on the rack to clean the extraction mechanism, and then the extraction mechanism extracts the reaction reagent in the reagent cabin into the reaction cup so that the blood sample and the reaction reagent contact and react, and the blood sample and the reaction reagent are quantitatively extracted by the extraction mechanism to reduce the deviation of the blood sample detection result.

[0008] Optionally, the sample rack is provided with a fixed groove for placing sample test tubes, the pushing mechanism includes a push rod located above the rack and capable of abutting against the sample rack, a conveying rack is provided on the rack near the sample rack, the conveying rack is provided with a conveyor belt, the push rod pushes the sample rack onto the conveyor belt, the conveyor belt transports the sample rack to a position where the sample test tube is compatible with the extraction mechanism, and a scanning component for scanning the sample test tube on the sample rack is provided on one side of the rack located on the sample rack.

[0009] By adopting the above technical solution, a pair of fixed grooves are opened on the sample rack to place the sample test tubes, so as to prevent the sample test tubes from tilting and falling on the sample rack, causing the blood samples in the sample test tubes to be lost. The sample rack is pushed onto the conveyor belt by a push rod arranged on the rack, and the conveyor belt arranged on the conveyor rack arranged on the rack drives the sample rack to move through the scanning piece to record the sample test tubes on the sample rack.

[0010] Optionally, the extraction mechanism includes an extraction component corresponding to the sample test tube on the sample rack, the extraction component is located above the sample rack, a moving component one connected to the rack is provided on the side of the extraction component away from the sample rack, a moving component two is provided near the extraction component, the moving component two is connected to the extraction component, the moving component one drives the moving component two and the moving component one to move, and the moving component two drives the extraction component to reciprocate between the sample rack and the reaction cup on the supply mechanism.

[0011] By adopting the above technical solution, by setting a moving component one on the rack located above the sample rack, the moving component one drives the moving component two and the extraction component to move, and the moving component two drives the extraction component to move in a direction horizontally and perpendicular to the moving component one, so that the extraction component can be moved to any specified position on the rack located above the sample rack, and the extraction component can be accurately moved to the position corresponding to the sample test tube on the sample rack.

[0012] Optionally, the extraction component includes a fixed frame connected to the movable component 2, the fixed frame is provided with a puncture needle compatible with the sample test tube on the sample rack, the fixed frame is provided with a transmission belt 1, the end of the puncture needle away from the sample rack is provided with a connecting piece 1 connected to the transmission belt 1, the fixed frame is provided with a guide piece 1 consistent with the transmission direction of the transmission belt 1, the transmission belt 1 drives the puncture needle to move on the guide piece 1 toward the sample test tube placed on the sample rack, and the puncture needle extracts the blood sample in the sample test tube.

[0013] By adopting the above technical solution, a transmission belt 1 is arranged on the fixed frame, so that the moving direction of the transmission belt 1 corresponds to the sample rack, and the end of the puncture needle away from the sample rack is connected to the transmission belt 1 through a connecting member 1, so that the transmission belt 1 drives the puncture needle to move toward the sample rack along the direction of the guide member 1, so that the puncture needle enters the sample test tube on the sample rack to extract the blood sample, and then the transmission belt 1 moves in the opposite direction to drive the puncture needle away from the sample rack. After the puncture needle is moved to the position corresponding to the reaction cup by moving the moving component 1 and the moving component 2, the puncture needle puts the blood sample into the reaction cup, so that the puncture needle can automatically extract the blood sample in the sample test tube quantitatively to complete the extraction of the blood sample.

[0014] Optionally, the moving component one includes a transmission belt two, and the transmission belt two is arranged on a frame located above the sample rack, the frame is provided with a connecting groove corresponding to the transmission belt two, and a guide member two is arranged on the side of the frame close to the moving component two in the same direction as the transmission belt two, the moving component two includes a connecting frame arranged above the fixed frame and connected to the guide member two, the connecting frame is provided with a connecting member two, the connecting member two is passed through the connecting groove and connected to the transmission belt two, a transmission belt three is arranged on the lower surface of the connecting frame, the fixed frame is provided with a connecting member three connected to the transmission belt three, the connecting frame is provided with a guide member three connected to the fixed frame, and the guide member three is arranged in the same direction as the transmission direction of the transmission belt three.

[0015] By adopting the above technical scheme, a transmission belt 2 arranged on the frame above the sample rack is connected to the connecting frame through a connecting piece 2, and the movement of the transmission belt 2 drives the connecting frame to move on the guide member 2, and a transmission belt 3 arranged on the connecting frame is connected to the fixed frame through a connecting piece 3, and the transmission belt 3 drives the fixed frame to move in a horizontal and vertical direction that is perpendicular to the moving direction of the transmission belt 2, so that the puncture needle arranged on the fixed frame can be moved to a position corresponding to the reaction cup and the sample test tube, thereby improving the accuracy of the puncture needle in drawing blood samples, enabling the puncture needle to be accurately moved to above the cleaning component and the reagent cabin, reducing the number of puncture needle errors, and preventing the puncture needle from being damaged.

[0016] Optionally, a support block is provided at one end of the fixing frame close to the sample rack, and the support block is provided with a connecting hole for inserting the puncture needle. The cleaning assembly includes a cleaning box arranged on the frame at one side of the reagent compartment, and the cleaning box is provided with a connecting groove for inserting the puncture needle.

[0017] By adopting the above technical solution, a support block is installed under the fixed frame. When the puncture needle moves downward, the puncture needle passes through the connecting hole opened on the support block, and the lower end of the puncture needle is supported by the support block to prevent the puncture needle from shaking continuously during movement and causing damage to the puncture needle; the cleaning box is set on the frame, and after the puncture needle draws a blood sample and places it into a reaction cup, the puncture needle moves to a position corresponding to the cleaning box, so that the puncture needle moves downward to correspond to the connecting groove opened on the cleaning box, and the inner and outer side walls of the puncture needle are cleaned to prevent the residual blood sample in the puncture needle from contaminating the reaction reagent in the reagent cabin when the puncture needle moves to the reagent cabin to absorb the reaction reagent.

[0018] Optionally, the supply mechanism includes a mobile frame arranged on the frame and corresponding to the conveying frame, the frame is provided with a guide member four connected to the mobile frame, a mixing component is arranged above the mobile frame, and a fixed cup tray for placing a reaction cup is arranged above the mixing component.

[0019] By adopting the above technical solution, the mobile frame is placed on the guide member 4 arranged on the frame, so that the mobile frame can be moved to a position close to the sample frame, and the reaction cup is placed by the fixed cup holder arranged on the mobile frame, so that the puncture needle can place the blood sample in the reaction cup more quickly, and the mixing component mixes the blood sample and the reaction reagent placed in the reaction cup evenly, thereby improving the reaction efficiency of the blood sample and the reaction reagent.

[0020] Optionally, the mixing assembly includes a rotating rod fixed to the mobile frame, the mobile frame is rotatably provided with an eccentric wheel connected to the fixed cup holder, the fixed cup holder is connected to the eccentric position of the eccentric wheel, the rotating rod is connected with a rocker connected to the eccentric wheel, and the mobile frame is provided with a driving member for driving the rotating rod to rotate.

[0021] By adopting the above technical solution, the driving member arranged on the movable frame drives the rotating rod to rotate, and the rocker connected to the rotating rod drives the eccentric wheel to rotate, so that the fixed cup holder arranged at the eccentric position of the eccentric wheel rotates around the center position of the eccentric wheel, and the reaction cup placed on the fixed cup holder starts to shake, so that the blood sample and reaction reagent in the reaction cup are evenly mixed, thereby improving the reaction efficiency of the blood sample and reaction reagent in the reaction cup.

[0022] A method for automatically extracting a blood sample comprises the following steps: Placing a sample tube containing a blood sample on a sample rack, placing the sample rack on a rack, and pushing the sample rack to a position corresponding to the extraction mechanism by a pushing mechanism; Then the extraction mechanism extracts the blood sample from the sample test tube, and after the supply mechanism approaches the sample rack, the extraction mechanism places the blood sample into a reaction cup placed on the supply mechanism; The extraction mechanism moves to the top of the cleaning component to clean the extraction mechanism after extracting the blood sample, and then the extraction mechanism moves to the top of the reagent cabin, extracts the reaction reagent and adds it into the reaction cup to make the blood sample react with the reaction reagent.

[0023] Optionally, the sampling of the extraction mechanism in the blood sample extraction device includes the following steps: After the sample rack moves to a position corresponding to the extraction mechanism, the extraction mechanism moves downward to extract the blood sample in the sample test tube, and then the extraction mechanism moves upward to move away from the sample test tube; The supply mechanism brings the reaction cup close to the sample rack, the extraction mechanism moves toward the supply mechanism until the extraction mechanism is above the reaction cup, and the extraction mechanism moves downward to place the extracted blood sample into the reaction cup; Then the extraction mechanism moves away from the reaction cup toward the top of the cleaning component, and then the extraction mechanism moves down into the cleaning component to clean the residual blood sample in the extraction mechanism; The extraction mechanism moves away from the cleaning component to above the reagent chamber, and moves downward to extract the reaction reagent from the reagent chamber. Then, the extraction mechanism moves toward the reaction cup with the reaction reagent, and adds the reaction reagent into the reaction cup.

[0024] In summary, the present application includes at least one of the following beneficial technical effects: 1. A transmission belt 1 is arranged on the fixed frame, so that the moving direction of the transmission belt 1 corresponds to the sample rack, and the end of the puncture needle away from the sample rack is connected to the transmission belt 1 through a connecting member 1, so that the transmission belt 1 drives the puncture needle to move toward the sample rack along the direction of the guide member 1, so that the puncture needle enters the sample test tube on the sample rack to extract the blood sample, and then the transmission belt 1 moves in the opposite direction to drive the puncture needle away from the sample rack. After the puncture needle is moved to the position corresponding to the reaction cup by moving the moving components 1 and 2, the puncture needle puts the blood sample into the reaction cup, so that the puncture needle can automatically extract the blood sample in the sample test tube quantitatively, and complete the extraction of the blood sample; 2. The transmission belt 2 provided on the rack above the sample rack is connected to the connecting rack through the connecting piece 2, and the movement of the transmission belt 2 drives the connecting rack to move on the guide piece 2, and the transmission belt 3 provided on the connecting rack is connected to the fixed rack through the connecting piece 3, and the transmission belt 3 drives the fixed rack to move in a horizontal direction perpendicular to the moving direction of the transmission belt 2, so that the puncture needle provided on the fixed rack can be moved to a position corresponding to the reaction cup and the sample test tube, thereby improving the accuracy of the puncture needle in extracting blood samples, enabling the puncture needle to be accurately moved to the top of the cleaning component and the reagent compartment, reducing the number of puncture needle errors, and preventing the puncture needle from being damaged; 3. Install a support block under the fixed frame. When the puncture needle moves downward, the puncture needle passes through the connecting hole opened on the support block, and the lower end of the puncture needle is supported by the support block to prevent the puncture needle from shaking continuously during movement and causing damage to the puncture needle; set the cleaning box on the frame. After the puncture needle draws blood sample and places it into the reaction cup, the puncture needle moves to the position corresponding to the cleaning box, so that the puncture needle moves downward to correspond to the connecting groove opened on the cleaning box, and the inner and outer side walls of the puncture needle are cleaned to prevent the residual blood sample in the puncture needle from contaminating the reaction reagent in the reagent cabin when the puncture needle moves to the reagent cabin to absorb the reaction reagent. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is an overall schematic diagram of an automatic blood sample extraction device; Figure 2 is a partial cross-sectional view of an automatic blood sample extraction device; Figure 3 yes Figure 2 A partial enlarged view of middle A; Figure 4 yes Figure 2 A partial enlarged view of B.

[0026] In the figure, 1, frame; 12, connecting slot; 2, sample rack; 21, fixed slot 1; 3, sample test tube; 4, pushing mechanism; 41, push rod; 42, conveying rack; 421, conveyor belt; 43, scanning piece; 5, extraction mechanism; 51, extraction component; 511, fixed rack; 512, puncture needle; 513, transmission belt 1; 514, connecting piece 1; 515, guide piece 1; 516, connecting piece 3; 517, support block; 518, connecting hole; 52, moving component 1; 5 21. Transmission belt 2; 522. Guide member 2; 53. Moving assembly 2; 531. Connecting frame; 532. Connecting member 2; 533. Transmission belt 3; 534. Guide member 3; 6. Supply mechanism; 61. Moving frame; 62. Guide member 4; 63. Mixing assembly; 631. Rotating rod; 632. Eccentric wheel; 633. Rocker; 634. Driving member; 64. Fixed cup holder; 7. Reaction cup; 8. Reagent compartment; 9. Cleaning assembly; 91. Cleaning box; 911. Connecting groove. DETAILED DESCRIPTION

[0027] The following is combined with Figure 1 -Attached Figure 4 , further details of this application are given. Example

[0028] A blood sample automatic extraction device, referring to Figures 1 to 3, comprising a rack 1, a sample rack 2 is placed on the rack 1, a fixing groove 21 is provided on the sample rack 2, a sample test tube 3 is placed on the sample rack 2 through the fixing groove 21, a push rod 41 is installed on the rack 1 at a position close to the sample rack 2, and the push rod 41 is connected to a driving motor; a conveying rack 42 is fixed to the rack 1 with bolts, a conveying belt 421 is connected to the conveying rack 42 through a pulley, the conveying belt 421 is driven by a motor connected to a power source to move the pulley, and the sample rack 2 is pushed onto the conveying belt 421 through the push rod 41 The sample rack 2 is moved by the conveyor belt 421 through the scanner 43 installed on the rack 1. The scanner 43 is a barcode scanner installed on the rack 1 with bolts. The barcode attached to the sample tube 3 on the sample rack 2 is scanned to record the information of the sample tube 3; the moving component 1 52 and the moving component 2 53 of the extraction mechanism 5 are installed on the rack 1 located above the sample rack 2. The puncture needle 512 installed on the extraction component 51 is driven by the moving component to move close to the sample tube 3 on the sample rack 2 to extract the blood sample.

[0029] Reference Figure 2 and Figure 3 , install the transmission belt 2 521 in the moving component 1 52 on the rack 1 located above the sample rack 2, the transmission belt 2 521 is a synchronous belt connected to the synchronous pulley installed on the rack 1, and the synchronous pulley is driven by a driving motor connected to the power supply to rotate and drive the transmission belt 2 521 to move, and a connecting groove 12 consistent with the length direction of the transmission belt 2 521 is opened on the rack 1, and the guide member 2 522 is fixed on the rack 1 located above the sample rack 2 by bolts, and the connecting frame 531 of the moving component 2 53 is connected to the guide member 2 522, and the guide member 2 522 is a guide rail fixed on the rack 1 and a slider connected to the connecting frame 531, and the connecting member 2 532 that is inserted into the connecting groove 12 and connected to the transmission belt 2 521 is fixed on the connecting frame 531 by bolts, and the connecting member 2 532 is a fixed block connected to the transmission belt 2 521, and the transmission The movement of belt 2 521 drives the connecting frame 531 to move on guide piece 2 522; a transmission belt 3 533 is installed on the connecting frame 531, and the transmission belt 3 533 is a synchronous belt connected to a synchronous pulley driven by a driving motor on the connecting frame 531, and a guide piece 3 534 is installed on the connecting frame 531 in the same direction as the transmission belt 3 533, and the guide piece 3 534 is connected to the fixed frame 511 of the extraction component 51, and the guide frame piece 3 is a slider connected to the guide rail and the fixed frame 511, and a connecting piece 3 516 connected to the transmission belt 2 521 is fixed to the fixed frame 511 with bolts, and the connecting piece 3 516 is a fixed block, and the transmission belt 3 533 on the connecting frame 531 drives the fixed frame 511 to move in a horizontal and vertical direction with the transmission belt 2 521, so that the puncture needle 512 installed on the fixed frame 511 can be moved to a specified position.

[0030] Reference Figures 2 to 4 A transmission belt 513 is installed on the fixed frame 511, and the transmission belt 513 is driven to move by a synchronous pulley and a driving motor installed on the fixed frame 511. A guide member 515 which is consistent with the moving direction of the transmission belt 513 is fixed on the fixed frame 511 by bolts, and the guide member 515 is a guide rail. The puncture needle 512 is connected to the guide member 515 through a slider, and a sampling pneumatic pump is connected to the puncture needle 512. A connecting member 514 which is clamped with the transmission belt 513 is installed on the puncture needle 512, and the connecting member 514 is a fixed The fixed clamping block is clamped with the toothed transmission belt 513, and the transmission belt 513 drives the puncture needle 512 to move downward on the fixed frame 511 to extract the blood sample in the sample test tube 3 placed on the sample rack 2; the support block 517 is fixed with bolts on the end of the fixed frame 511 close to the sample rack 2, and a connecting hole 518 corresponding to the puncture needle 512 is provided on the support block 517 to support the end of the puncture needle 512 close to the sample rack 2 to prevent the puncture needle 512 from shaking too much and staggering with the sample test tube 3 when moving downward.

[0031] Reference Figures 2 to 4 The guide member 4 62 is fixed on the frame 1 with bolts. The guide member 4 62 is a guide rail. The mobile frame 61 is connected to the guide member 4 62 through a slider. The motor connected to the power supply installed on the mobile frame 61 drives the rotating wheel to rotate, so as to drive the mobile frame 61 to move on the guide member 4 62; the mobile frame 61 is rotatably connected with the rotating rod 631 through a bearing, and the driving member 634 is installed on the mobile frame 61 with bolts. The driving member 634 is a driving motor. The driving rod of the driving motor and the rotating rod 631 drive the rotating rod 631 to rotate through gear transmission. The eccentric wheel 632 is rotatably connected to the mobile frame 61, and is welded to the fixed cup holder 64 at the eccentric position of the eccentric wheel 632. It is fixedly connected to one end of the rocker 633 on the rotating rod 631, and the other end of the rocker 633 is fixedly connected to the eccentric position of the eccentric wheel 632. The rotation of 1 drives the rocker 633 to push the eccentric wheel 632 to rotate, so that the reaction cup 7 placed on the fixed cup holder 64 on the eccentric wheel 632 shakes; the reagent cabin 8 containing the reaction reagent is fixed to the frame 1 by bolts, and the cleaning box 91 is fixed to the frame 1 by bolts. The cleaning box 91 is provided with a connecting groove 911 corresponding to the puncture needle 512. After the puncture needle 512 puts the blood sample into the reaction cup 7, it moves to the position of the cleaning box 91, moves down through the connecting groove 911 and enters the cleaning box 91, and cleans the inner and outer walls of the puncture needle 512 to prevent the blood sample remaining in the puncture needle 512 from contaminating the reaction reagent in the extraction reagent cabin 8; then the puncture needle 512 moves to the top of the reagent cabin 8, extracts the reaction reagent and adds it to the reaction cup 7, and the reaction cup 7 is shaken by the rotation of the fixed cup holder 64, so that the blood sample and the reaction reagent in the reaction cup 7 are evenly mixed.

[0032] The implementation principle of the embodiment of the present application is: The sample tube 3 containing the blood sample is placed on the sample rack 2, and the sample rack 2 is placed on the rack 1. The push rod 41 on the rack 1 pushes the sample rack 2 onto the conveyor belt 421 on the conveyor rack 42. The sample rack 2 is transported by the conveyor belt 421 to move through the scanning part 43 for scanning, and the sample tube 3 placed on the sample rack 2 is recorded; the connecting frame 531 is driven to move on the guide member 2 522 by the transmission belt 2 521 on the rack 1, and the transmission belt 3 on the connecting frame 531 drives the fixed frame 511 to move on the guide member 3 534, so that the puncture needle 512 set on the fixed frame 511 moves to the top of the sample rack 2 and corresponds to the sample tube 3, and the transmission belt 1 513 set on the fixed frame 511 drives the puncture needle 512 to move along the direction of the guide member 1 515 toward the sample tube 3 on the sample rack 2, so that the puncture needle 512 enters the sample tube 3, and the blood sample is extracted. The reaction cup 7 is placed on the fixed cup holder 64 on the mobile frame 61, and is moved on the guide member 62 to be close to the sample rack 2, and then the puncture needle 512 is moved to put the blood sample into the reaction cup 7; then the puncture needle 512 is moved to the top of the cleaning box 91 and moved down to be close to the cleaning box 91, so that the puncture needle 512 enters the cleaning box 91 through the connecting groove 911 on the cleaning box 91 to clean the inner and outer walls of the puncture needle 512, and then the puncture needle 512 is moved to the top of the reagent compartment 8, and the reaction reagent is extracted and added to the reaction cup 7; then the driving member 634 on the mobile frame 61 drives the rotating rod 631 to rotate, and the rotating rod 631 drives the rocking rod 633 to drive the eccentric wheel 632 set on the mobile frame 61 to rotate, so that the fixed cup holder 64 located at the eccentric position of the eccentric wheel 632 rotates around the center position of the eccentric wheel 632, so that the blood sample and the reaction reagent in the reaction cup 7 in the fixed cup holder 64 are mixed evenly. The blood sample and the reaction reagent are quantitatively extracted by the extraction mechanism 5 to reduce the deviation of the blood sample detection result. Example

[0033] S100, placing the sample tube 3 containing the blood sample on the sample rack 2, placing the sample rack 2 on the rack 1, pushing the sample rack 2 onto the conveying rack 42 by the push rod 41 of the pushing mechanism 4, transporting the sample rack 2 by the conveyor belt 421 to move through the scanning unit 43 for scanning, recording the sample tube 3 placed on the sample rack 2, and sending the sample rack 2 to the position corresponding to the puncture needle 512 of the extraction mechanism 5; S200, the extraction mechanism 5 then extracts the blood sample from the sample tube 3, and after the supply mechanism 6 approaches the sample rack 2, the extraction mechanism 5 places the blood sample into the reaction cup 7 placed on the supply mechanism 6; S210, after the sample rack 2 moves to the position corresponding to the extraction mechanism 5, the second transmission belt 521 on the frame 1 drives the connecting frame 531 to move on the second guide member 522, and the third transmission belt on the connecting frame 531 drives the fixed frame 511 to move on the third guide member 534, so that the puncture needle 512 set on the fixed frame 511 moves downward to extract the blood sample in the sample test tube 3, and then the puncture needle 512 of the extraction mechanism 5 moves upward away from the sample test tube 3; S220, the moving frame 61 of the supply mechanism 6 brings the reaction cup 7 close to the sample rack 2 through the guide member 24 62, and the puncture needle 512 of the extraction mechanism 5 moves toward the supply mechanism 6 until the puncture needle 512 is located above the reaction cup 7, and the puncture needle 512 moves downward to place the extracted blood sample into the reaction cup 7; S300, the extraction mechanism 5 moves to the top of the cleaning component 9 to clean the extraction mechanism 5 after extracting the blood sample, and then the extraction mechanism 5 moves to the top of the reagent compartment 8, extracts the reaction reagent and adds it to the reaction cup 7, so that the blood sample reacts with the reaction reagent; S310, then the puncture needle 512 of the extraction mechanism 5 moves upward away from the reaction cup 7, moves to the top of the cleaning component 9 through the moving component 1 52, and then the extraction mechanism 5 moves downward into the cleaning box 91 of the cleaning component 9 to clean the residual blood sample in the puncture needle 512 of the extraction mechanism 5; S320, the puncture needle 512 of the extraction mechanism 5 moves away from the cleaning component 9 and moves to the top of the reagent chamber 8, the puncture needle 512 moves downward to extract the reaction reagent from the reagent chamber 8, and then the puncture needle 512 moves with the reaction reagent to the reaction cup 7, and adds the reaction reagent to the reaction cup 7. The working principle of this embodiment is basically the same as that of the first embodiment, and both can realize quantitative extraction of blood samples and reaction reagents through the extraction mechanism, thereby reducing the deviation of blood sample detection results.

[0034] The embodiments of this specific implementation are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. The same components are represented by the same figure marks. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A blood sample automatic extraction device, characterized in that: The invention comprises a frame (1), wherein the frame (1) is provided with a sample rack (2) for placing a sample test tube (3), the frame (1) is provided with a pushing mechanism (4) corresponding to the sample rack (2) for pushing the sample rack (2), the frame (1) is provided with an extraction mechanism (5) corresponding to the sample test tube (3) on the sample rack (2) for extracting a blood sample from the sample test tube (3), the frame (1) is provided with a supply mechanism (6) for supplying a reaction cup (7) on one side of the pushing mechanism (4), the extraction mechanism (5) extracts the blood sample from the sample test tube (3) and places it into the reaction cup (7), the frame (1) is provided with a reagent chamber (8) for the extraction mechanism (5) to extract a reaction reagent on one side of the supply mechanism (6), and the frame (1) is provided with a cleaning component (9) for cleaning the extraction mechanism (5) on one side of the reagent chamber (8).

2. The automatic blood sampling device according to claim 1, characterized in that: The sample rack (2) is provided with a fixed groove (21) for placing the sample test tube (3); the pushing mechanism (4) comprises a push rod (41) located above the rack (1) and capable of abutting against the sample rack (2); a conveying rack (42) is provided at a position of the rack (1) close to the sample rack (2); the conveying rack (42) is provided with a conveying belt (421); the push rod (41) pushes the sample rack (2) onto the conveying belt (421); the conveying belt (421) conveys the sample rack (2) to a position where the sample test tube (3) and the extraction mechanism (5) are matched; and a scanning unit (43) for scanning the sample test tube (3) on the sample rack (2) is provided on one side of the rack (1) located at the sample rack (2).

3. The automatic blood sampling device according to claim 2, characterized in that: The extraction mechanism (5) comprises an extraction component (51) corresponding to the sample test tube (3) on the sample rack (2); the extraction component (51) is located above the sample rack (2); a moving component (52) connected to the rack (1) is arranged on the side of the extraction component (51) away from the sample rack (2); a moving component (53) is arranged near the extraction component (51) on the moving component (52); the moving component (53) is connected to the extraction component (51); the moving component (52) drives the moving component (53) and the moving component (52) to move; the moving component (53) drives the extraction component (51) to move back and forth between the sample rack (2) and the reaction cup (7) on the supply mechanism (6).

4. The automatic blood sampling device according to claim 3, characterized in that: The extraction component (51) comprises a fixed frame (511) connected to a second moving component (53); the fixed frame (511) is provided with a puncture needle (512) adapted to a sample test tube (3) on a sample rack (2); a transmission belt (513) is provided on the fixed frame (511); a connecting piece (514) connected to the transmission belt (513) is provided at one end of the puncture needle (512) away from the sample rack (2); the fixed frame (511) is provided with a guide piece (515) having a transmission direction consistent with that of the transmission belt (513); the transmission belt (513) drives the puncture needle (512) to move on the guide piece (515) toward the sample test tube (3) placed on the sample rack (2); and the puncture needle (512) extracts a blood sample from the sample test tube (3).

5. The automatic blood sampling device according to claim 4, characterized in that: The moving component 1 (52) comprises a second transmission belt (521), and the second transmission belt (521) is arranged on a frame (1) located above the sample rack (2), and the frame (1) is provided with a connecting groove (12) corresponding to the second transmission belt (521), and a second guide member (522) in the same direction as the second transmission belt (521) is arranged on a side of the frame (1) close to the moving component 2 (53), and the moving component 2 (53) comprises a connecting frame (531) arranged above the fixed frame (511) and connected to the second guide member (522), The connecting frame (531) is provided with a second connecting member (532), the second connecting member (532) is inserted into the connecting groove (12) and connected to the second transmission belt (521), the lower surface of the connecting frame (531) is provided with a third transmission belt (533), the fixed frame (511) is provided with a third connecting member (516) connected to the third transmission belt (533), the connecting frame (531) is provided with a third guiding member (534) connected to the fixed frame (511), and the third guiding member (534) is arranged in the same direction as the transmission direction of the third transmission belt (533).

6. The automatic blood sampling device according to claim 4, characterized in that: A support block (517) is provided at one end of the fixing frame (511) close to the sample frame (2), and the support block (517) is provided with a connecting hole (518) for inserting the puncture needle (512). The cleaning assembly (9) comprises a cleaning box (91) arranged on the frame (1) and located on one side of the reagent compartment (8), and the cleaning box (91) is provided with a connecting groove (911) for inserting the puncture needle (512).

7. The automatic blood sampling device according to claim 2, characterized in that: The supply mechanism (6) comprises a mobile frame (61) arranged on the frame (1) and corresponding to the conveying frame (42); the frame (1) is provided with a guide member (62) connected to the mobile frame (61); a mixing component (63) is arranged above the mobile frame (61); and a fixed cup holder (64) for placing a reaction cup (7) is arranged above the mixing component (63).

8. The automatic blood sampling device according to claim 7, characterized in that: The mixing component (63) comprises a rotating rod (631) fixed to the moving frame (61); the moving frame (61) is rotatably provided with an eccentric wheel (632) connected to a fixed cup holder (64); the fixed cup holder (64) is connected to an eccentric position of the eccentric wheel (632); the rotating rod (631) is connected with a rocker (633) connected to the eccentric wheel (632); and a driving member (634) for driving the rotating rod (631) to rotate is provided on the moving frame (61).

9. A method for using an automatic blood sample extraction device, characterized in that: The device comprises the automatic blood sampling device according to claim 1, S100, placing a sample test tube (3) containing a blood sample on a sample rack (2), placing the sample rack (2) on a rack (1), and pushing the sample rack (2) to a position corresponding to the extraction mechanism (5) through a pushing mechanism (4); S200, the extraction mechanism (5) then extracts the blood sample from the sample test tube (3), and after the supply mechanism (6) approaches the sample rack (2), the extraction mechanism (5) places the blood sample into a reaction cup (7) placed on the supply mechanism (6); S300, the extraction mechanism (5) moves to the top of the cleaning component (9) to clean the extraction mechanism (5) after extracting the blood sample, and then the extraction mechanism (5) moves to the top of the reagent compartment (8), extracts the reaction reagent and adds it to the reaction cup (7), so that the blood sample reacts with the reaction reagent.

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