Quantitative sampling device for pathology department examination

Abstract

The invention provides a quantitative sampling device for pathology department inspection, and relates to the technical field of sampling devices.The quantitative sampling device comprises a base, a placement rack is rotatably mounted at the top of the base through a bearing, test tubes are inserted into the surface of the placement rack at equal intervals, a mounting column is arranged at the top of one side of the placement rack, and a shaft rod is fixed to the bottom of the mounting column; compared with the prior art, each sampling assembly corresponds to one test tube, an outer barrel and an insertion tube on each sampling assembly are used for extracting and storing blood samples, and the sampling assemblies are arranged on the outer surface of the mounting column at equal intervals. The device is installed on the center column, the position of the piston rod is adjusted to different heights in advance, adjustment is conducted according to blood needing to be extracted, under the cooperation of the driving assembly and the lifting assembly, the required blood sample content is extracted from each outer barrel, collection of different items is conducted at the same time, and the sampling and collecting efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of sampling devices, in particular to a quantitative sampling device for pathology testing. Background Art

[0002] The pathology department is one of the essential departments in large general hospitals. Its main task is to undertake pathological diagnosis in the medical process, including providing clear pathological diagnosis, determining the nature of the disease, and finding out the cause of death through biopsy, exfoliation and fine needle aspiration cytology, and autopsy. In the daily diagnosis and treatment process, the pathology department often tests the pathological tissue removed from the patient. The traditional testing process is that the medical examiners of the pathology department test different pathological samples one by one, which is time-consuming and laborious.

[0003] In the prior art, there are also methods of collecting pathological samples by machinery instead of manpower, which can accurately quantify and save labor. However, in this process, a suction tube is usually used to extract a quantitative amount of liquid from a test tube containing pathological fluid. Blood is one of the main samples for pathological examination. When sampling it, the blood in the same test tube needs to be extracted in quantity and used for examination of different items. In this process, multiple suction tubes need to be used alternately, resulting in low sampling efficiency and inconvenience for simultaneous sampling and collection of multiple items of a single person's blood sample. Summary of the invention

[0004] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a quantitative sampling device for pathology testing to solve the problems raised in the above-mentioned background technology. The present invention has a novel structure. Each sampling component corresponds to a test tube. The outer cylinder and the cannula on the sampling component are used to extract and store blood samples. The position of the piston rod is adjusted to different heights in advance on the central column. The height is adjusted according to the blood to be extracted. Through the cooperation of the driving component and the lifting component, the required blood sample content is extracted from each outer cylinder. The collection of different items is carried out simultaneously, thereby improving the efficiency of sampling and collection.

[0005] In order to achieve the above-mentioned purpose, the present invention is implemented through the following technical scheme: a quantitative sampling device for pathology inspection, comprising a base, a placement rack is rotatably mounted on the top of the base through a bearing, test tubes are equidistantly inserted on the surface of the placement rack, a mounting column is provided on the top of one side of the placement rack, a shaft is fixed to the bottom of the mounting column, and the bottom of the shaft is rotatably mounted on the base through a bearing, sampling components are equidistantly mounted on the outer surface of the mounting column, and the sampling components correspond to the number of test tubes, and the sampling component comprises a central column, four outer cylinders are equidistantly mounted on the outer surface of the central column, and a cannula is fixed to the bottom of the outer cylinder, a piston rod is slidably inserted on the top of the outer cylinder, and a The top plate has corresponding vertical points between the sampling assembly and the test tube, the base is provided with a lifting assembly corresponding to the vertical position of the sampling assembly and the test tube, the lifting assembly includes a connecting frame, the connecting frame is a U-shaped frame, and the sampling assembly can pass through the middle of the connecting frame, spring clips are provided on both sides of the connecting frame corresponding to the positions of the four outer cylinders, and the spring clips can be clamped on the surface of the outer cylinder, a clamping frame is provided on the top of the connecting frame, and the clamping frame can be movably clamped with the top of the center column, the base is provided with a driving assembly corresponding to the bottom of the placement frame and the mounting column, the driving assembly includes a gear ring, the bottom of the placement frame is sleeved with a gear ring, the bottom of the shaft is fixed with a second gear sleeved, and the gear ring is meshed with the second gear.

[0006] Furthermore, the driving assembly also includes a first gear, the base is located on the other side of the ring gear and is rotatably mounted with the first gear, and the first gear is meshingly connected to the ring gear, the base is located on the top of the first gear and is fixed with a motor, and the output end of the motor is fixedly connected to the first gear.

[0007] Furthermore, an insert column is slidably inserted at the bottom of the central column, and a connecting rod is passed through the gap between the two groups of outer cylinders. A sliding groove is provided on the surface of the mounting column corresponding to the connecting rod, and a slider is slidably connected inside the sliding groove. The connecting rod is fixed to the slider, and a first spring is fixed to the bottom of the sliding groove, and the other end of the first spring is fixed to the bottom of the slider.

[0008] Furthermore, the sampling assembly also includes a movable groove, and the movable groove is opened on the surface of the four outer cylinders corresponding to the central column, and a fixed block is slidably connected in the movable groove, and the fixed block can be clamped and fixed on the top plate. A second spring is fixed on the inner wall of the top of the movable groove, and the other end of the second spring is fixedly connected to the fixed block.

[0009] Furthermore, a bolt is threadedly inserted into the top of the fixed block, and a friction block is rotatably mounted on one end of the bolt through a bearing, and the friction block is in friction contact with the inner wall of the movable groove.

[0010] Furthermore, the lifting assembly also includes a mounting frame, the top of the base is fixed with the mounting frame, and the top of the mounting frame is fixed with a first electric push rod, and the extended end of the first electric push rod is fixedly connected to the connecting frame.

[0011] Furthermore, a second electric push rod is fixed on both sides of the connecting frame, and an extended end of the second electric push rod passes through the connecting frame and is fixed with a connecting plate, and both ends of the connecting plate are rotatably connected to the corresponding two spring clips through a rotating shaft.

[0012] Furthermore, a vertical rod is fixed to the bottom of the connecting plate, and a semicircular folding wrapping layer is fixed to the bottom of the vertical rod. Two groups of the folding wrapping layers are combined into a cylinder, and the folding wrapping layer can be wrapped around the outer end of the test tube.

[0013] Furthermore, an arc plate is fixed to the front end of the clamping frame, the rotation path of the arc plate is the same as that of the mounting column, a clamping groove is provided on the top of the central column towards one side of the arc plate, and the arc plate is slidably clamped in the clamping groove.

[0014] Furthermore, a third electric push rod is fixed at a position on the top of the connecting frame corresponding to the clamping frame, and an extended end of the third electric push rod is fixedly connected to the clamping frame.

[0015] Beneficial effects of the present invention:

[0016] 1. The present invention retracts the connecting plate and the spring clip to both sides of the connecting frame through the second electric push rod. As the driving assembly drives the installation column and the sampling assembly to rotate, the new sampling assembly corresponds vertically to the bottom test tube and enters the interior of the connecting frame. At this time, the card slot of the central column is just engaged with the arc plate, and the connecting plate and the spring clip are driven by the second electric push rod to squeeze and clamp them on the surface of the outer tube to clamp and fix the four outer tubes. Then the first electric push rod drives the connecting frame to descend as a whole, and the cannula of the sampling assembly is inserted into the interior of the test tube. As the spring clip descends, the vertical rod drives the folding wrapping layer to fold and compress, wherein the folding wrapping layer is an elastic film, which will be compressed after being squeezed from top to bottom, and when the spring clip moves upward, the folding wrapping layer will unfold again to block the path for inserting and removing the test tube, thereby preventing the carried blood from splashing into other test tubes and affecting the test results, and also avoiding dripping on the placement rack to pollute the environment.

[0017] 2. After the test tube is inserted, the third electric push rod drives the clamping frame and the arc plate to move upward. Because the arc plate is clamped with the central column slot, the central column will pull the piston rod of each sampling component to move, and negative pressure will be generated in the outer cylinder to suck blood into the outer cylinder through the cannula. Because the slot is semi-hollow, when the installation column rotates, the central column can be separated from the clamping frame, which will not affect the insertion and clamping of the next group.

[0018] 3. The present invention positions the fixed block by bolts and friction blocks. The friction force can only limit the piston rod to which no external force is applied. Under the action of external force, the piston rod and the fixed block can still slide along the movable groove to keep the insertion frame at the bottom of the four sampling components and the upper end of the outer cylinder in the same straight line. When the sampling component with the smallest movable distance has completed the blood extraction, the central column will continue to move upward, and the piston rod cannot continue to move with the central column because it has been pulled out the maximum distance. The fixed block is pulled downward along the movable groove by the reverse force until all the sampling components have completed the collection.

[0019] 4. The center column of the present invention is connected to the slider through a connecting plate and slides along the slide groove on the surface of the mounting column. The sampling assembly can rotate with the mounting column. After the spring clip is clamped on the surface of the outer cylinder, the first electric push rod drives the sampling assembly to rise and fall. The slider slides along the slide groove and the elastic force of the first spring to reset the sampling assembly, thereby maintaining the connection between the sampling assembly and the mounting column. When the center column moves upward, the plug column passes through the bottom of the center column and connects with the connecting rod, which will not cause the sampling assembly to separate from the mounting column.

[0020] 5. The present invention drives the first gear to rotate and mesh with the gear ring through a motor, and the gear ring meshes with the second gear to drive the shaft to rotate, so that the placement frame and the installation column rotate synchronously. At the position of the connecting frame, the sampling component and the test tube correspond vertically, which is convenient for classifying and collecting blood in a single test tube. The test tube and the sampling component are switched by the driving component to improve the overall efficiency.

[0021] 6. Compared with the prior art, in the present invention, each sampling assembly corresponds to a test tube. The outer cylinder and the cannula on the sampling assembly are used to extract and store blood samples. The position of the piston rod is adjusted to different heights in advance on the central column. The heights are adjusted according to the blood to be extracted. Through the cooperation of the driving assembly and the lifting assembly, the required blood sample content is extracted from each outer cylinder. The collection of different items is carried out simultaneously, thereby improving the efficiency of sampling and collection. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall structure of a quantitative sampling device for pathology testing according to the present invention;

[0023] Figure 2 This is a schematic diagram of the structure of a driving component of a quantitative sampling device for pathology testing according to the present invention;

[0024] Figure 3 This is a schematic diagram of the structure of a lifting component of a quantitative sampling device for pathology testing according to the present invention;

[0025] Figure 4 This is a schematic diagram of the connection between the lifting component and the sampling component of a quantitative sampling device for pathology testing of the present invention;

[0026] Figure 5 This is a schematic diagram of the bottom structure of the central column of a quantitative sampling device for pathology testing of the present invention;

[0027] Figure 6 This is a schematic diagram of the connection between a spring clip and a connecting plate of a quantitative sampling device for pathology testing of the present invention;

[0028] Figure 7 This is a schematic diagram of the connection between the top of the central column and the arc plate of a quantitative sampling device for pathology testing of the present invention;

[0029] Figure 8 The present invention is a schematic diagram of the connection between the central column and the piston rod of a quantitative sampling device for pathology testing.

[0030] In the figure: 1. base; 2. placement rack; 21. test tube; 3. drive assembly; 31. motor; 32. first gear; 33. gear ring; 34. second gear; 35. shaft rod; 4. mounting column; 41. slide groove; 42. first spring; 43. slider; 5. sampling assembly; 51. outer cylinder; 52. cannula; 53. center column; 54. insert column; 55. connecting rod; 56. piston rod; 57. top plate; 58. slot; 59. moving slot; 510. fixing block; 511. bolt; 512. second spring; 513. friction block; 6. lifting assembly; 61. mounting rack; 62. first electric push rod; 63. connecting rack; 64. second electric push rod; 65. third electric push rod; 66. clamping rack; 67. folding wrapping layer; 68. connecting plate; 69. spring clip; 610. vertical rod; 611. arc plate. DETAILED DESCRIPTION

[0031] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0032] See also Figures 1 to 8The present invention provides a technical solution: a quantitative sampling device for pathology inspection, comprising a base 1, a placement rack 2 is rotatably mounted on the top of the base 1 through a bearing, test tubes 21 are equidistantly inserted on the surface of the placement rack 2, a mounting column 4 is provided on the top of one side of the placement rack 2, a shaft 35 is fixed to the bottom of the mounting column 4, and the bottom of the shaft 35 is rotatably mounted on the base 1 through a bearing, sampling components 5 are equidistantly mounted on the outer surface of the mounting column 4, the number of the sampling components 5 corresponds to the number of the test tubes 21, and the sampling components 5 include a central column 53, the Four outer cylinders 51 are equidistantly mounted on the outer surface of the central column 53, and a cannula 52 is fixed to the bottom of the outer cylinder 51, a piston rod 56 is slidably inserted at the top of the outer cylinder 51, and a top plate 57 is fixed to the top of the piston rod 56, the sampling assembly 5 and the test tube 21 have vertical corresponding points, the base 1 is provided with a lifting assembly 6 corresponding to the vertical position of the sampling assembly 5 and the test tube 21, the lifting assembly 6 includes a connecting frame 63, the connecting frame 63 is a U-shaped frame, and the sampling assembly 5 can pass through the middle of the connecting frame 63, and the two sides of the connecting frame 63 correspond to four A spring clip 69 is provided at the position of the outer cylinder 51, and the spring clip 69 can be clamped on the surface of the outer cylinder 51. A clamping frame 66 is provided on the top of the connecting frame 63, and the clamping frame 66 can be movably clamped with the top of the central column 53. The base 1 is provided with a driving assembly 3 at the bottom of the corresponding placement frame 2 and the mounting column 4. The driving assembly 3 includes a gear ring 33. The bottom of the placement frame 2 is sleeved with the gear ring 33. The bottom of the shaft 35 is fixed with a second gear 34 sleeved, and the gear ring 33 is meshed with the second gear 34. When using the device, the sampling assembly 5 is manually moved. The outer cylinder 51 adjusts the position of the piston rod 56 according to the amount of blood to be drawn and is installed with the central column 53. The test tubes 21 of different patients are placed on the placement rack 2. The placement rack 2 and the mounting column 4 are driven to rotate by the driving component 3. The test tube 21 can correspond vertically to the sampling component 5. Through the connection between the sampling component 5 and the lifting component 6, the cannula 52 is driven to be inserted into the test tube 21. Different amounts of samples are drawn according to needs, and then the sampling component 5 and the test tube 21 are switched by the driving component 3. Blood samples of different patients are classified and collected, so as to improve the overall efficiency.

[0033] In this embodiment, the driving component 3 also includes a first gear 32. The base 1 is located on the other side of the ring gear 33 and is rotatably installed with the first gear 32, and the first gear 32 is meshed with the ring gear 33. The base 1 is located on the top of the first gear 32 and is fixed with a motor 31, and the output end of the motor 31 is fixedly connected to the first gear 32. The motor 31 drives the first gear 32 to rotate and mesh with the ring gear 33, and the ring gear 33 meshes with the second gear 34 to drive the shaft 35 to rotate, so that the placement rack 2 and the mounting column 4 rotate synchronously. At the position of the connecting rack 63, the sampling component 5 and the test tube 21 correspond vertically, which is convenient for classifying and collecting blood in a single test tube 21. The driving component 3 is relied on to switch the test tube 21 and the sampling component 5 to improve the overall efficiency.

[0034] In this embodiment, the bottom of the center column 53 is slidably plugged with a plug column 54, and the plug column 54 is located between the two groups of outer cylinders 51 and has a connecting rod 55 passing through the gap. The surface of the mounting column 4 corresponding to the connecting rod 55 is provided with a slide groove 41, and the inside of the slide groove 41 is slidably connected with a slider 43, and the connecting rod 55 is fixed to the slider 43. The bottom of the slide groove 41 is fixed with a first spring 42, and the other end of the first spring 42 is fixed to the bottom of the slider 43. The center column 53 is connected to the slider 43 through a connecting plate, and The sampling assembly 5 can rotate with the mounting column 4 by sliding along the groove 41 on the surface of the mounting column 4. After the spring clip 69 is clamped on the surface of the outer cylinder 51, the first electric push rod 62 drives the sampling assembly 5 to rise and fall. The slider 43 slides along the groove 41 and is reset by the elastic force of the first spring 42, thereby maintaining the connection between the sampling assembly 5 and the mounting column 4. When the center column 53 moves upward, the plug column 54 passes through the bottom of the center column 53 and is connected to the connecting rod 55, which will not cause the sampling assembly 5 to separate from the mounting column 4.

[0035] In this embodiment, the sampling assembly 5 also includes a moving groove 59, and the moving groove 59 is provided on the surface of the four outer cylinders 51 corresponding to the central column 53, and a fixed block 510 is slidably connected in the moving groove 59, and the fixed block 510 can be clamped and fixed on the top plate 57, and a second spring 512 is fixed to the inner wall of the top of the moving groove 59, and the other end of the second spring 512 is fixedly connected to the fixed block 510, and a bolt 511 is threadedly inserted in the top of the fixed block 510, and a friction block 513 is rotatably installed at one end of the bolt 511 through a bearing, and the friction block 513 is in friction contact with the inner wall of the moving groove 59, and each test tube 21 is formulated as a collection tube for the corresponding inspection item, and the amount of blood to be collected has a certain range. According to the range, the position of the piston rod 56 is adjusted in a sterile environment, so that the movable distance of the piston rod 56 is limited, and the amount of blood required for extraction can be satisfied within the moving distance. After the adjustment of the piston rod 56 is completed, it is fixed on the fixed block 510, and the inner wall of the moving groove 59 is fixedly connected to the fixed block 510. The fixed block 510 is positioned by the bolt 511 and the friction block 513. The friction force can only limit the piston rod 56 to which no external force is applied. Under the action of external force, the piston rod 56 and the fixed block 510 can still slide along the movable groove 59 to keep the insertion frame at the bottom of the four sampling components 5 and the upper end of the outer cylinder 51 in the same straight line. When the sampling component 5 with the smallest movable distance has completed the blood extraction, the central column 53 will continue to move upward, and the piston rod 56 cannot continue to move with the central column 53 because it has been pulled out of the maximum distance. The fixed block 510 is pulled downward along the movable groove 59 by the reverse force until all the sampling components 5 have completed the collection. The installation of the central column 53 and the sampling component 5 is movable and can be disassembled. The outer cylinder 51, the cannula 52 and the piston rod 56 use common medical needles, which are replaced after each use. The central column 53 can be reused after disinfection.

[0036] In this embodiment, the lifting assembly 6 also includes a mounting frame 61, the mounting frame 61 is fixed on the top of the base 1, and a first electric push rod 62 is fixed on the top of the mounting frame 61, the extended end of the first electric push rod 62 is fixedly connected to the connecting frame 63, and the two sides of the connecting frame 63 are fixed with second electric push rods 64, and the extended end of the second electric push rod 64 passes through the connecting frame 63 and is fixed with a connecting plate 68, and the two ends of the connecting plate 68 are rotatably connected to the corresponding two spring clips 69 through a rotating shaft, and the bottom of the connecting plate 68 is fixed with a vertical rod 610, and the bottom of the vertical rod 610 is fixed with a semicircular folding wrapping layer 67, and the two groups of the folding wrapping layers 67 are merged into one The folded wrapping layer 67 can be wrapped around the outer end of the test tube 21. The front end of the clamping frame 66 is fixed with an arc plate 611. The rotation path of the arc plate 611 is the same as that of the mounting column 4. A slot 58 is provided on the top of the center column 53 facing the side of the arc plate 611, and the arc plate 611 is slidably clamped in the slot 58. A third electric push rod 65 is fixed to the position of the top of the connecting frame 63 corresponding to the clamping frame 66, and the extended end of the third electric push rod 65 is fixedly connected to the clamping frame 66. First, the connecting plate 68 and the spring clip 69 are retracted to both sides of the connecting frame 63 by the second electric push rod 64. As the driving assembly 3 drives the mounting column 4 and the sampling assembly 5 to rotate, the new The sampling assembly 5 corresponds vertically to the bottom test tube 21 and enters the interior of the connecting frame 63. At this time, the card slot 58 of the central column 53 is just engaged with the arc plate 611. The second electric push rod 64 drives the connecting plate 68 and the spring clamp 69 to squeeze and clamp on the surface of the outer tube 51, and the four outer tubes 51 are clamped and fixed. Then the first electric push rod 62 drives the connecting frame 63 to descend as a whole, and the cannula 52 of the sampling assembly 5 is inserted into the interior of the test tube 21. As the spring clamp 69 descends, the vertical rod 610 drives the folding wrapping layer 67 to fold and compress. The folding wrapping layer 67 is an elastic film, which will be compressed after being squeezed from top to bottom. When the spring clamp 69 moves upward, the folding wrapping layer 6 7 will reopen to block the path for inserting and removing the test tube 21, preventing the carried blood from splashing into other test tubes 21 and affecting the test results, and also preventing it from dripping on the placement rack 2 and polluting the environment. After the test tube 21 is inserted, the third electric push rod 65 drives the clamping frame 66 and the arc plate 611 to move upward. Because the arc plate 611 is clamped with the clamping groove 58 of the central column 53, the central column 53 will pull the piston rod 56 of each sampling component 5 to move, and negative pressure will be generated in the outer cylinder 51 to suck the blood into the outer cylinder 51 through the cannula 52. Because the clamping groove 58 is semi-hollow, when the mounting column 4 rotates, the central column 53 can be separated from the clamping frame 66, which will not affect the insertion and clamping of the next group.

[0037] When using the device, each test tube 21 is designated as a collection tube for a corresponding test item, and the amount of blood to be collected has a certain range. The position of the piston rod 56 is adjusted in a sterile environment according to the range, so that the movable distance of the piston rod 56 is limited, and the required amount of blood can be drawn within the moving distance. After the adjustment, the piston rod 56 is fixed on the fixed block 510. There is a scale inside the movable groove 59, and the position of the fixed block 510 can be adjusted according to the scale. The fixed block 510 is positioned by the bolt 511 and the friction block 513. The friction force can only limit the piston rod 56 to which no external force is applied. Under the action of external force, the piston rod 56 and the fixed block 510 can still slide along the movable groove 59 to keep the bottom of the four sets of sampling components 5 The upper ends of the insertion frame and the outer cylinder 51 are in the same straight line. When the sampling component 5 with the smallest movable distance has completed the blood extraction, the central column 53 will continue to move upward, and the piston rod 56 cannot continue to move with the central column 53 because it has been pulled out of the maximum distance. The fixed block 510 is pulled downward along the movable groove 59 by the reverse force until all the sampling components 5 are collected. The installation of the central column 53 and the sampling component 5 is movable and can be disassembled. The outer cylinder 51, the cannula 52 and the piston rod 56 are common medical needle tubes, which are replaced after each use. The central column 53 can be reused after disinfection. The test tubes 21 of different patients are placed on the placement rack 2, and the motor 31 drives the first gear 32 to rotate and mesh with the ring gear 33 , the gear ring 33 is then meshed with the second gear 34 to drive the shaft 35 to rotate, so that the placement frame 2 and the mounting column 4 rotate synchronously. At the position of the connecting frame 63, the sampling assembly 5 and the test tube 21 correspond vertically, which is convenient for the classification and collection of blood in the single test tube 21. The connecting plate 68 and the spring clamp 69 are retracted to both sides of the connecting frame 63 by the second electric push rod 64. As the driving assembly 3 drives the mounting column 4 and the sampling assembly 5 to rotate, the new sampling assembly 5 corresponds vertically to the bottom test tube 21 and enters the inside of the connecting frame 63. At this time, the card slot 58 of the central column 53 is just engaged with the arc plate 611. The connecting plate 68 and the spring clamp 69 are driven by the second electric push rod 64 to squeeze and clamp on the surface of the outer tube 51, and the four outer tubes 51 are clamped and fixed. Afterwards, the first electric push rod 62 drives the connecting frame 63 to descend as a whole, and the cannula 52 of the sampling assembly 5 is inserted into the test tube 21. As the spring clamp 69 descends, the vertical rod 610 drives the folding wrapping layer 67 to fold and compress, wherein the folding wrapping layer 67 is an elastic film, which will be compressed after being squeezed from top to bottom. When the spring clamp 69 moves upward, the folding wrapping layer 67 will unfold again to block the insertion and removal path of the test tube 21, to prevent the carried blood from splashing to other test tubes 21 and affecting the test results, and also to avoid dripping on the placement rack 2 to pollute the environment. After the test tube 21 is inserted, the third electric push rod 65 drives the clamping frame 66 and the arc plate 611 to move upward. Because the arc plate 611 is clamped with the card slot 58 of the center column 53,The central column 53 will pull the piston rod 56 of each sampling component 5 to move, and negative pressure will be generated in the outer tube 51 to suck blood into the outer tube 51 through the cannula 52. Then, the sampling component 5 and the test tube 21 will be switched through the driving component 3 to classify and collect blood samples from different patients, so as to improve the overall efficiency.

[0038] The basic principles and main features of the present invention and the advantages of the present invention are shown and described above. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention.

[0039] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A quantitative sampling device for pathology testing, comprising a base (1), characterized in that: A placing rack (2) is rotatably mounted on the top of the base (1) via a bearing, and test tubes (21) are equidistantly inserted on the surface of the placing rack (2). A mounting column (4) is provided on the top of one side of the placing rack (2), and a shaft (35) is fixed at the bottom of the mounting column (4), and the bottom of the shaft (35) is rotatably mounted on the base (1) via a bearing. Sampling assemblies (5) are equidistantly mounted on the outer surface of the mounting column (4), and the number of the sampling assemblies (5) corresponds to the number of the test tubes (21). The sampling assembly (5) comprises a central column (53), and four outer cylinders (51) are equidistantly mounted on the outer surface of the central column (53), and a cannula (52) is fixed at the bottom of the outer cylinder (51), and a piston rod (56) is slidably inserted on the top of the outer cylinder (51), and a top plate (57) is fixed on the top of the piston rod (56). The sampling assembly (5) and the test tube (21) have vertical corresponding points, and the base (1) corresponds to the sampling assembly (5). A lifting assembly (6) is provided at a position perpendicular to the sample assembly (5) and the test tube (21), the lifting assembly (6) comprising a connecting frame (63), the connecting frame (63) being a U-shaped frame, and the sampling assembly (5) can pass through the middle of the connecting frame (63), spring clips (69) are provided at positions corresponding to the four outer cylinders (51) on both sides of the connecting frame (63), and the spring clips (69) can be clamped on the surface of the outer cylinder (51), and the top of the connecting frame (63) is provided with A clamping frame (66) is provided, and the clamping frame (66) can be movably clamped with the top of the center column (53); the base (1) is provided with a driving assembly (3) at the bottom corresponding to the placement frame (2) and the installation column (4); the driving assembly (3) includes a gear ring (33); the bottom of the placement frame (2) is sleeved with the gear ring (33); the bottom of the shaft (35) is fixed with a second gear (34) sleeved thereon; the gear ring (33) is meshingly connected with the second gear (34).

2. A quantitative sampling device for pathology testing according to claim 1, characterized in that: The driving assembly (3) further comprises a first gear (32); the base (1) is located on the other side of the gear ring (33) and is rotatably mounted with the first gear (32); the first gear (32) is meshingly connected with the gear ring (33); the base (1) is located on the top of the first gear (32) and is fixed with a motor (31); and the output end of the motor (31) is fixedly connected with the first gear (32).

3. A quantitative sampling device for pathology testing according to claim 1, characterized in that: The bottom of the central column (53) is slidably plugged with an insertion column (54), and the insertion column (54) is located in a gap between the two groups of outer cylinders (51) and is provided with a connecting rod (55). A sliding groove (41) is provided on the surface of the mounting column (4) corresponding to the connecting rod (55), and a sliding block (43) is slidably connected inside the sliding groove (41). The connecting rod (55) is fixed to the sliding block (43), and a first spring (42) is fixed to the bottom of the sliding groove (41), and the other end of the first spring (42) is fixed to the bottom of the sliding block (43).

4. A quantitative sampling device for pathology testing according to claim 1, characterized in that: The sampling assembly (5) further comprises a movable groove (59), wherein the movable groove (59) is provided on the surface of the central column (53) corresponding to the four outer cylinders (51), and a fixed block (510) is slidably connected in the movable groove (59), and the fixed block (510) can be clamped and fixed on the top plate (57), and a second spring (512) is fixed on the inner wall of the top of the movable groove (59), and the other end of the second spring (512) is fixedly connected to the fixed block (510).

5. A quantitative sampling device for pathology testing according to claim 4, characterized in that: A bolt (511) is threadedly inserted into the top of the fixed block (510), and a friction block (513) is rotatably mounted on one end of the bolt (511) via a bearing, and the friction block (513) is in frictional contact with the inner wall of the movable groove (59).

6. A quantitative sampling device for pathology testing according to claim 1, characterized in that: The lifting assembly (6) further comprises a mounting frame (61), the top of the base (1) is fixed with the mounting frame (61), and the top of the mounting frame (61) is fixed with a first electric push rod (62), and the extended end of the first electric push rod (62) is fixedly connected to the connecting frame (63).

7. A quantitative sampling device for pathology testing according to claim 6, characterized in that: A second electric push rod (64) is fixed on both sides of the connecting frame (63); an extended end of the second electric push rod (64) passes through the connecting frame (63) and is fixed with a connecting plate (68); and both ends of the connecting plate (68) are rotatably connected to two corresponding spring clips (69) via a rotating shaft.

8. A quantitative sampling device for pathology testing according to claim 7, characterized in that: A vertical rod (610) is fixed to the bottom of the connecting plate (68), and a semicircular folding wrapping layer (67) is fixed to the bottom of the vertical rod (610). Two groups of folding wrapping layers (67) are combined into a cylinder, and the folding wrapping layer (67) can be wrapped around the outer end of the test tube (21).

9. A quantitative sampling device for pathology testing according to claim 8, characterized in that: An arc plate (611) is fixed to the front end of the clamping frame (66); the rotation path of the arc plate (611) is the same as that of the mounting column (4); a clamping groove (58) is provided on the top of the center column (53) facing the side of the arc plate (611), and the arc plate (611) is slidably clamped in the inside of the clamping groove (58).

10. A quantitative sampling device for pathology testing according to claim 9, characterized in that: A third electric push rod (65) is fixed at a position on the top of the connecting frame (63) corresponding to the clamping frame (66), and an extended end of the third electric push rod (65) is fixedly connected to the clamping frame (66).

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