CN119534034A

CN119534034A - A quantitative sampling device for pathology examination

Info

Publication number: CN119534034A
Application number: CN202411735205.4A
Authority: CN
Inventors: 宋艳芳; 史晓兰; 宋子坤; 冯连朋
Original assignee: Second People's Hospital Of Liaocheng
Current assignee: Second People's Hospital Of Liaocheng
Priority date: 2024-11-29
Filing date: 2024-11-29
Publication date: 2025-02-28

Abstract

The present invention provides a quantitative sampling device for pathology inspection, which relates to the technical field of sampling devices and comprises a base, a placing rack is rotatably mounted on the top of the base through a bearing, test tubes are equidistantly inserted on the surface of the placing rack, a mounting column is arranged on the top of one side of the placing 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 compared with the prior art, each sampling component corresponds to a test tube, an outer cylinder and a cannula on the sampling component are used for extracting and storing blood samples, and are installed on a central column to adjust the position of a piston rod to different heights in advance according to the blood to be extracted, and the required blood sample content is extracted from each outer cylinder through the cooperation of a driving component and a lifting component, and the collection of different items is carried out simultaneously, thereby improving the efficiency of sampling and collection.

Description

Quantitative sampling device is used in pathology department's inspection

Technical Field

The invention relates to the technical field of sampling devices, in particular to a quantitative sampling device for clinical laboratory examination.

Background

The pathology department is one of the essential departments of a large comprehensive hospital, and the main tasks of the pathology department are to undertake pathological diagnosis work in the medical process, including through biopsy, shedding, fine needle puncture cytology and necropsy, provide clear pathological diagnosis for clinic, determine the nature of diseases and find out the death cause. The pathology department is at daily diagnosis and treatment in-process, and the regular pathological tissue that will cut the patient carries out the chemical examination, and traditional chemical examination process is pathology department medical staff detects different pathological sample one by one respectively, and this mode is comparatively time consuming and laborious.

In the prior art, a pathological sample is also collected by replacing manpower mechanically, so that accurate quantification can be performed, and labor is saved, but in the process, a suction tube is generally used for extracting quantitative liquid from a test tube filled with pathological liquid, wherein blood is one of main samples for pathological examination, when the blood is sampled, the blood in the same test tube needs to be extracted in a component and is used for the examination of different projects, and in the process, a plurality of suction tubes need to be used alternately, so that the sampling efficiency is lower, and the sampling collection of a plurality of projects is inconvenient for a single blood sample.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide a quantitative sampling device for clinical laboratory examination, which solves the problems in the prior art, and has the advantages that the structure is novel, each sampling component corresponds to one test tube, the outer cylinder and the insertion tube on the sampling component are used for extracting and storing blood samples, the position of the piston rod is adjusted to different heights in advance on the center column, the content of the blood samples required by the extraction in each outer cylinder is adjusted according to the blood required by the extraction, and the acquisition of different projects is simultaneously carried out under the cooperation of the driving component and the lifting component, so that the sampling and acquiring efficiency is improved.

In order to achieve the purpose, the quantitative sampling device for the pathology department inspection comprises a base, wherein a rack is rotatably arranged at the top of the base through a bearing, test tubes are inserted on the surface of the rack at equal intervals, a mounting column is arranged at the top of one side of the rack, a shaft rod is fixed at the bottom of the mounting column, the bottom of the shaft rod is rotatably arranged on the base through the bearing, sampling components are equidistantly arranged on the outer surface of the mounting column, the sampling components correspond to the number of the test tubes, the sampling components comprise a center column, four outer cylinders are equidistantly arranged on the outer surface of the center column, insertion tubes are fixed at the bottoms of the outer cylinders, piston rods are slidably inserted at the tops of the outer cylinders, top plates are fixed at the tops of the piston rods, the sampling components and the test tubes are provided with vertical corresponding points, the lifting components are arranged at positions of the base, the lifting components comprise connecting frames, the connecting frames are U-shaped frames, the sampling components can penetrate through the middle of the connecting frames, spring clamps are arranged at positions of the two sides of the connecting frames, corresponding to the four outer cylinders, the spring clamps can clamp the outer cylinders, the surface of the outer cylinders, the connecting frames are fixedly clamped on the surfaces of the connecting frames, the connecting frames are provided with gear rings, the top of the connecting frames are correspondingly connected with the gear rings, and the top of the connecting frames are movably connected with the bottom of the connecting frames, and the bottom of the connecting frames are movably connected with the gear frames, and the top of the connecting frames are in a sleeved mode, and the connecting frames are movably connected with the top shafts.

Further, the driving assembly further comprises a first gear, the first gear is rotatably arranged on the other side of the base positioned on the gear ring, the first gear is meshed with the gear ring, a motor is fixed on the top of the base positioned on the first gear, and the output end of the motor is fixedly connected with the first gear.

Further, the bottom of center post is slided and is pegged graft and have the spliced pole, the spliced pole is located the breach between two sets of urceoluses and wears to have the connecting rod, the spout has been seted up on the installation post corresponds the surface of connecting rod, and the inside sliding connection of spout has the slider, the connecting rod is fixed with the slider, the spout bottom is fixed with first spring, and the other end and the slider bottom of first spring are fixed.

Further, the sampling assembly further comprises a moving groove, the surface of the center column corresponding to the four outer cylinders is provided with the moving groove, a fixed block is connected in the moving groove in a sliding mode, 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 moving groove, and the other end of the second spring is fixedly connected with the fixed block.

Further, the top thread of fixed block is pegged graft and is had the bolt, and the one end of bolt is installed through the bearing rotation friction piece, friction piece and the inner wall friction contact of removal groove.

Further, the lifting assembly further comprises a mounting frame, the top of the base is fixed with the mounting frame, the top of the mounting frame is fixed with a first electric push rod, and the extension end of the first electric push rod is fixedly connected with the connecting frame.

Further, the two sides of the connecting frame are fixedly provided with second electric push rods, the extension ends of the second electric push rods penetrate through the connecting frame to be fixedly provided with connecting plates, and the two ends of each connecting plate are rotationally connected with the corresponding two spring clamps through rotating shafts.

Further, the bottom of connecting plate is fixed with the montant, and montant bottom is fixed with semicircular folding parcel layer, two sets of folding parcel layer merges into a drum, and folding parcel layer can wrap up in the outer end of test tube.

Further, the front end of joint frame is fixed with the arc board, the rotation route of arc board is the same with the erection column, the draw-in groove has been seted up towards one side of arc board at the top of center column, and the sliding joint of arc board is inside the draw-in groove.

Further, a third electric push rod is fixed at the top of the connecting frame corresponding to the clamping frame, and the extension end of the third electric push rod is fixedly connected with the clamping frame.

The invention has the beneficial effects that:

1. According to the invention, the connecting plate and the spring clamps are retracted to two sides of the connecting frame through the second electric push rod, the driving assembly drives the mounting column and the sampling assembly to rotate, the new sampling assembly vertically corresponds to the bottom test tube and enters the connecting frame, the clamping groove of the center column is just clamped with the arc plate, the connecting plate and the spring clamps are driven to be pressed and clamped on the surface of the outer cylinder through the second electric push rod, the four outer cylinders are clamped and fixed, then the first electric push rod drives the connecting frame to integrally descend, the insertion tube of the sampling assembly is inserted into the test tube, the vertical rod drives the folding wrapping layer to fold and compress along with the descending of the spring clamps, the folding wrapping layer is an elastic film, the folding wrapping layer is compressed after being pressed from top to bottom, and when the spring clamps move upwards, the folding wrapping layer is unfolded again to shield the path of the test tube inserted and taken out, the carried blood is prevented from splashing into other test tubes to influence the test results, and the environment is prevented from being dropped on the placing frame.

2. According to the invention, after the test tube is inserted, the clamping frame and the arc plate are driven to move upwards through the third electric push rod, the arc plate is clamped with the clamping groove of the central column, the central column pulls the piston rod of each sampling assembly to move, negative pressure is generated in the outer cylinder to suck blood into the outer cylinder through the insertion tube, and because the clamping groove is semi-hollow, when the mounting column rotates, the central column can be separated from the clamping frame, and the feeding clamping of the next group is not influenced.

3. According to the invention, the fixed block is positioned through the bolts and the friction blocks, the friction force only plays a role in limiting the piston rod without applying external force, under the action of the external force, the piston rod and the fixed block can still slide along the moving groove, the upper ends of the inserting frames at the bottoms of the four groups of sampling components and the outer cylinder are kept on the same straight line, when the sampling component with the smallest movable distance finishes blood volume extraction, the central column can continue to move upwards, and the piston rod can not continue to move along with the central column because the piston rod is pulled out to the maximum distance, and the fixed block is pulled to move downwards along the moving groove through the reverse acting force until all the sampling components are collected.

4. The central column is connected with the sliding block through the connecting plate and slides along the sliding groove on the surface of the mounting column, the sampling assembly can rotate along with the mounting column, after the spring clamp is clamped on the surface of the outer cylinder, the first electric push rod drives the sampling assembly to lift and reset through the sliding block sliding along the sliding groove and the elastic force of the first spring, the connection between the sampling assembly and the mounting column is maintained, and when the central column moves upwards, the inserting column penetrates out from the bottom of the central column to be connected with the connecting rod, so that the sampling assembly is not separated from the mounting column.

5. According to the invention, the motor drives the first gear to rotate and the gear ring to be meshed, and the gear ring is meshed with the second gear to drive the shaft lever to rotate, so that the placing frame and the mounting column synchronously rotate, and the sampling assembly and the test tube vertically correspond to each other at the position of the connecting frame, so that the blood of a single test tube can be conveniently collected in a classified manner, and the whole efficiency is improved by switching the test tube and the sampling assembly by virtue of the driving assembly.

6. Compared with the prior art, each sampling assembly corresponds to one test tube, the outer cylinder and the insertion tube on the sampling assembly are used for extracting and storing blood samples, the position of the piston rod is adjusted to different heights in advance and arranged on the center column, the required blood sample content in each outer cylinder is extracted through the cooperation of the driving assembly and the lifting assembly according to the required blood adjustment, and the collection of different projects is simultaneously carried out, so that the sampling collection efficiency is improved.

Drawings

FIG. 1 is a schematic diagram showing the overall structure of a quantitative sampling device for clinical laboratory test according to the present invention;

FIG. 2 is a schematic diagram of a driving assembly of a quantitative sampling device for clinical laboratory examination according to the present invention;

FIG. 3 is a schematic view of a lifting assembly of a quantitative sampling device for clinical laboratory test according to the present invention;

FIG. 4 is a schematic diagram showing the connection of a lifting assembly and a sampling assembly of a quantitative sampling device for clinical laboratory test according to the present invention;

FIG. 5 is a schematic view showing the bottom structure of a central column of a quantitative sampling device for clinical laboratory examination according to the present invention;

FIG. 6 is a schematic view showing the connection of a spring clip and a connecting plate of a quantitative sampling device for clinical laboratory test according to the present invention;

FIG. 7 is a schematic view showing the connection between the top of the center column of the quantitative sampling device for clinical laboratory test and the arc plate;

FIG. 8 is a schematic diagram showing the connection between the center column and the piston rod of the quantitative sampling device for clinical laboratory examination.

1, A base, 2, a placing frame, 21, a test tube, 3, a driving assembly, 31, a motor, 32, a first gear, 33, a gear ring, 34, a second gear, 35, a shaft, 4, a mounting post, 41, a sliding groove, 42, a first spring, 43, a sliding block, 5, a sampling assembly, 51, an outer cylinder, 52, a cannula, 53, a center post, 54, a plunger, 55, a connecting rod, 56, a piston rod, 57, a top plate, 58, a clamping groove, 59, a moving groove, 510, a fixed block, 511, a bolt, 512, a second spring, 513, a friction block, 6, a lifting assembly, 61, a mounting frame, 62, a first electric push rod, 63, a connecting frame, 64, a second electric push rod, 65, a third electric push rod, 66, a clamping frame, 67, a folding wrapping layer, 68, a connecting plate, 69, a spring clip, 610, a vertical rod, 611 and an arc plate.

Detailed Description

The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.

Referring to fig. 1 to 8, the present invention provides a technical solution: the utility model provides a quantitative sampling device for pathology department inspection, includes base 1, base 1 top is rotated through the bearing and is installed rack 2, equidistant grafting has test tube 21 on the rack 2 surface, one side top of rack 2 is equipped with erection column 4, erection column 4 bottom is fixed with axostylus axostyle 35, and axostylus axostyle 35 bottom is rotated through the bearing and is installed on base 1, equidistant sample subassembly 5 of installing on the erection column 4 surface, sample subassembly 5 corresponds with test tube 21 quantity, sample subassembly 5 includes center post 53, four urceolus 51 are installed to equidistant on the surface of center post 53, and the bottom of urceolus 51 is fixed with intubate 52, the top slip grafting of urceolus 51 has piston rod 56, and piston rod 56 top is fixed with roof 57, sample subassembly 5 and test tube 21 have the perpendicular corresponding point position, the base 1 is provided with a lifting component 6 corresponding to the vertical position of the sampling component 5 and the test tube 21, the lifting component 6 comprises a connecting frame 63, the connecting frame 63 is a U-shaped frame, the sampling component 5 can pass through the middle of the connecting frame 63, spring clamps 69 are arranged at the two sides of the connecting frame 63 corresponding to the positions of the four outer cylinders 51 and can be clamped on the surfaces of the outer cylinders 51, the top of the connecting frame 63 is provided with a clamping frame 66, the clamping frame 66 can be movably clamped with the top of the center column 53, the base 1 is provided with a driving component 3 corresponding to the bottom of the placing frame 2 and the mounting column 4, the driving component 3 comprises a gear ring 33, the bottom of the placing frame 2 is sleeved with the gear ring 33, the bottom of the shaft 35 is fixedly sleeved with a second gear 34, the gear ring 33 is meshed with the second gear 34, and when the device is used, the position of piston rod 56 is adjusted to the urceolus 51 of manual sampling subassembly 5 needs the blood volume of drawing and installs with center post 53, place the test tube 21 of different patients on rack 2, drive rack 2 and erection column 4 through drive assembly 3 and rotate, test tube 21 can correspond perpendicularly with sampling subassembly 5, be connected through sampling subassembly 5 and lifting unit 6, drive intubate 52 insert inside test tube 21, sample of different volume is extracted as required, then switch sampling subassembly 5 and test tube 21 through drive assembly 3, classify the collection to the patient blood sample of difference, thereby improve holistic efficiency.

In this embodiment, the driving assembly 3 further includes a first gear 32, the base 1 is located at the other side of the gear ring 33 and rotates to install the first gear 32, and the first gear 32 is engaged with the gear ring 33 and connected, the top of the base 1 located at the first gear 32 is fixed with a motor 31, and the output end of the motor 31 is fixedly connected with the first gear 32, the motor 31 drives the first gear 32 to rotate and mesh with the gear ring 33, the gear ring 33 meshes with the second gear 34 again to drive the shaft lever 35 to rotate, so that the placing frame 2 and the mounting column 4 synchronously rotate, and in the position of the connecting frame 63, the sampling assembly 5 and the test tube 21 vertically correspond to facilitate classifying and collecting the blood of the single test tube 21, and the driving assembly 3 is relied on to switch the test tube 21 and the sampling assembly 5 to improve the overall efficiency.

In this embodiment, the bottom of the central column 53 is slidably inserted with the inserting column 54, a gap between two groups of outer cylinders 51 of the inserting column 54 passes through the connecting rod 55, the surface of the mounting column 4 corresponding to the connecting rod 55 is provided with the sliding groove 41, the sliding groove 41 is slidably connected with the sliding block 43, the connecting rod 55 is fixed with the sliding block 43, the bottom of the sliding groove 41 is fixed with the first spring 42, the other end of the first spring 42 is fixed with the bottom of the sliding block 43, the central column 53 is connected with the sliding block 43 through the connecting plate and slides along the sliding groove 41 on the surface of the mounting column 4, the sampling assembly 5 can rotate along with the mounting column 4, after the spring clips 69 are clamped on the surface of the outer cylinders 51, the first electric push rod 62 drives the sampling assembly 5 to lift through the sliding block 43 sliding along the sliding groove 41 and the elastic force of the first spring 42, the connection between the sampling assembly 5 and the mounting column 4 is maintained, and when the central column 53 moves upwards, the inserting column 54 passes through the bottom of the central column 53 to be connected with the connecting rod 55, and the sampling assembly 5 cannot be separated from the mounting column 4.

In this embodiment, the sampling assembly 5 further includes a moving groove 59, the surface of the center post 53 corresponding to the four outer cylinders 51 is provided with the moving groove 59, and a fixed block 510 is slidably connected in the moving groove 59, the fixed block 510 may be clamped and fixed on the top plate 57, a second spring 512 is fixed on the inner wall of the top of the moving groove 59, and the other end of the second spring 512 is fixedly connected with the fixed block 510, a bolt 511 is inserted into the top thread of the fixed block 510, and one end of the bolt 511 is rotatably provided with a friction block 513 through a bearing, the friction block 513 is in frictional contact with the inner wall of the moving groove 59, each test tube 21 is formulated as a sampling tube corresponding to a test item, and the amount of blood to be sampled 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 amount of blood required for extraction can be satisfied within the moving distance, after the piston rod 56 is adjusted, the piston rod 56 is fixed on the fixed block 510, scales are arranged in the moving groove 59, the position of the fixed block 510 can be adjusted according to the scales, the fixed block 510 is positioned through the bolt 511 and the friction block 513, the friction force can only limit the piston rod 56 which does not apply external force, under the action of the external force, the piston rod 56 and the fixed block 510 can still slide along the moving groove 59, the upper ends of the inserting frame at the bottom of the four groups of sampling assemblies 5 and the outer cylinder 51 are kept on the same straight line, after the sampling assembly 5 with the smallest movable distance is completed, the central column 53 can continue to move upwards, the piston rod 56 can not continue to move along with the central column 53 because the maximum distance is pulled out, the fixed block 510 is pulled downwards along the moving groove 59 through the reverse acting force until all the sampling assemblies 5 are completely collected, the central column 53 and the sampling assembly 5 are movably arranged and can be disassembled, the outer cylinder 51, the cannula 52 and the piston rod 56 adopt common medical needle tubes, the needle tubes are replaced after each use, and the central column 53 can be reused after disinfection.

In this embodiment, the lifting assembly 6 further includes 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, the extension end of the first electric push rod 62 is fixedly connected with a connecting frame 63, two sides of the connecting frame 63 are fixed with second electric push rods 64, the extension end of the second electric push rod 64 passes through the connecting frame 63 to be fixed with a connecting plate 68, two ends of the connecting plate 68 are rotationally connected with two corresponding spring clips 69 through a rotating shaft, 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, two groups of folding wrapping layers 67 are combined into a cylinder, and the folding wrapping layer 67 can be wrapped at the outer end of the test tube 21, the front end of the clamping frame 66 is fixed with an arc plate 611, the rotating path of the arc plate 611 is the same as that of the mounting post 4, the top of the central column 53 faces one side of the arc plate 611 to form a clamping groove 58, the arc plate 611 is slidably clamped in the clamping groove 58, a third electric push rod 65 is fixed at the top of the connecting frame 63 corresponding to the clamping frame 66, the extension end of the third electric push rod 65 is fixedly connected with the clamping frame 66, firstly, the connecting plate 68 and the spring clamp 69 are retracted to two sides of the connecting frame 63 through the second electric push rod 64, along with the rotation of the mounting column 4 and the sampling assembly 5 driven by the driving assembly 3, the new sampling assembly 5 vertically corresponds to the bottom test tube 21 and enters the connecting frame 63, at the moment, the clamping groove 58 of the central column 53 is just clamped with the arc plate 611, the connecting plate 68 and the spring clamp 69 are driven to be clamped on the surface of the outer cylinder 51 through the second electric push rod 64, the four outer cylinders 51 are clamped and fixed, then the first electric push rod 62 drives the connecting frame 63 to integrally descend, the insertion tube 52 of the sampling assembly 5 is inserted into the test tube 21, along with the descent of the spring clamp 69, the vertical rod 610 drives the folding wrapping layer 67 to fold and compress, the folding wrapping layer 67 is a film with elasticity, the folding wrapping layer 67 is compressed after being extruded from top to bottom, when the spring clamp 69 moves upwards, the folding wrapping layer 67 is unfolded again to shield the path of insertion and extraction of the test tube 21, the carried blood is prevented from splashing into other test tubes 21 to influence the test result, the drop on the placement frame 2 is avoided, after the test tube 21 is inserted, the clamping frame 66 and the arc plate 611 are driven to move upwards through the third electric push rod 65, the piston rod 56 of each sampling assembly 5 is pulled to move by the arc plate 611 and the clamping groove 58 of the central column 53, negative pressure is generated in the outer cylinder 51 to suck the blood into the outer cylinder 51 through the insertion tube 52, and the clamping groove 58 is semi-hollow, and when the mounting column 4 rotates, the central column 53 can be separated from the clamping frame 66, and the next group of feeding clamping is not influenced.

When the device is used, each test tube 21 is formulated as a collection tube corresponding to a test item, the blood volume to be collected is within a certain range, the position of a piston rod 56 is regulated according to the range under a sterile environment, the movable distance of the piston rod 56 is limited, the blood volume required by the extraction can be met within the movable distance, the piston rod 56 is fixed on a fixed block 510 after the regulation is finished, scales are arranged in a movable groove 59, the position of the fixed block 510 can be regulated according to the scales, the fixed block 510 is positioned through a bolt 511 and a friction block 513, the friction force only plays a limiting role on the piston rod 56 without applying external force, under the action of external force, the piston rod 56 and the fixed block 510 can still slide along the movable groove 59, the upper ends of a plug frame at the bottom of four groups of sampling assemblies 5 and the outer cylinder 51 are kept on the same straight line, after the blood volume is extracted by the sampling assembly 5 with the minimum movable distance, at the moment, the central column 53 can continue to move upwards, and the piston rod 56 can not continue to move along with the maximum distance, the central column 53 can not continue, the movement by pulling the fixed block 510 downwards along the movable groove 59 until all the sampling assemblies 59 move downwards until the sampling assembly 5 is completely removed by the movable column 53, the sampling assembly is completely installed with the movable column 5, and the sampling assembly is in a movable column 53, the mode can be removed, and the sampling assembly is installed, The cannula 52 and the piston rod 56 are common medical needle tubes, the central column 53 can be repeatedly used after each use, test tubes 21 of different patients are placed on the placing frame 2 through disinfection, the motor 31 drives the first gear 32 to rotate and mesh with the gear ring 33, the gear ring 33 meshes with the second gear 34 again to drive the shaft rod 35 to rotate, the placing frame 2 and the mounting column 4 synchronously rotate, the sampling component 5 and the test tubes 21 vertically correspond to each other at the position of the connecting frame 63, the blood of the single test tube 21 is conveniently collected in a classified way, the connecting plate 68 and the spring clamp 69 are retracted to the two sides of the connecting frame 63 through the second electric push rod 64, the new sampling component 5 vertically corresponds to the bottom test tube 21 along with the rotation of the mounting column 4 and the sampling component 5 driven by the driving component 3, the new sampling component 5 enters the inside of the connecting frame 63, the clamping groove 58 of the central column 53 is just clamped with the arc plate 611 at the moment, the connecting plate 68 and the spring clamp 69 are driven by the second electric push rod 64 to be pressed and clamped on the surface of the outer cylinder 51 to clamp and fix the four outer cylinders 51, then the connecting frame 63 is driven by the first electric push rod 62 to be integrally lowered, the insertion tube 52 of the sampling assembly 5 is inserted into the test tube 21, the folding wrapping layer 67 is driven by the vertical rod 610 to be folded and compressed along with the lowering of the spring clamp 69, the folding wrapping layer 67 is a film with elasticity, the film is compressed after being pressed from top to bottom, when the spring clamp 69 moves upwards, the folding wrapping layer 67 is unfolded again to block the path for inserting and taking out the test tube 21, the carried blood is prevented from splashing into other test tubes 21 to influence the test result, the environment is prevented from being polluted by dripping on the rack 2, after the test tube 21 is inserted, the clamping frame 66 and the arc plate 611 are driven by the third electric push rod 65 to move upwards, because the arc plate 611 is clamped with the clamping groove 58 of the central column 53, the central column 53 pulls the piston rod 56 of each sampling assembly 5 to move, negative pressure is generated in the outer cylinder 51 to suck blood into the outer cylinder 51 through the cannula 52, and then the sampling assemblies 5 and the test tubes 21 are switched by the driving assembly 3 to collect different blood samples of patients in a classified manner, so that the overall efficiency is improved.

While the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The quantitative sampling device for the clinical laboratory examination comprises a base (1), and is characterized in that a placing frame (2) is rotatably installed at the top of the base (1) through a bearing, test tubes (21) are equidistantly inserted on the surface of the placing frame (2), a mounting column (4) is arranged at the top of one side of the placing frame (2), a shaft rod (35) is fixed at the bottom of the mounting column (4), the bottom of the shaft rod (35) is rotatably installed on the base (1) through the bearing, sampling assemblies (5) are equidistantly installed on the outer surface of the mounting column (4), the sampling assemblies (5) correspond to the number of the test tubes (21), the sampling assemblies (5) comprise a central column (53), four outer cylinders (51) are equidistantly installed on the outer surface of the central column (53), cannulas (52) are fixedly arranged at the bottom of the outer cylinders (51), piston rods (56) are slidably inserted at the tops of the outer cylinders (51), top plates (57) are fixedly arranged at the tops of the piston rods (56), the sampling assemblies (5) and (21) are provided with vertically corresponding point positions, the base (1) correspond to the test tubes (21), the vertical lifting assemblies (63) are arranged at the positions of the vertical lifting frames (6), and comprise vertical lifting frames (63), and sample subassembly (5) can pass from link (63), the both sides of link (63) correspond the position of four urceolus (51) and are equipped with spring clamp (69), and spring clamp (69) can the centre gripping on urceolus (51) surface, the top of link (63) is equipped with joint frame (66), and joint frame (66) can with the top activity joint of center post (53), base (1) are equipped with drive assembly (3) corresponding the bottom of rack (2) and erection column (4), drive assembly (3) include ring gear (33), ring gear (33) have been cup jointed to rack (2) bottom, the bottom of axostylus axostyle (35) is fixed with cup joints second gear (34), ring gear (33) are connected with second gear (34) meshing.

2. The quantitative sampling device for clinical laboratory tests according to claim 1, wherein the driving assembly (3) further comprises a first gear (32), the first gear (32) is rotatably arranged on the other side of the gear ring (33) of the base (1), the first gear (32) is meshed with the gear ring (33), a motor (31) is fixed on the top of the first gear (32) of the base (1), and the output end of the motor (31) is fixedly connected with the first gear (32).

3. The quantitative sampling device for clinical laboratory tests according to claim 1, wherein the bottom of the central column (53) is slidably inserted with an inserting column (54), a connecting rod (55) penetrates through a gap between two groups of outer cylinders (51) of the inserting column (54), a sliding groove (41) is formed in the surface of the mounting column (4) corresponding to the connecting rod (55), a sliding block (43) is slidably connected in the sliding groove (41), the connecting rod (55) is fixed with the sliding block (43), a first spring (42) is fixed at the bottom of the sliding groove (41), and the other end of the first spring (42) is fixed with the bottom of the sliding block (43).

4. The quantitative sampling device for clinical laboratory tests according to claim 1, wherein the sampling assembly (5) further comprises a movable groove (59), the movable groove (59) is formed in the surface of the central column (53) corresponding to the four outer cylinders (51), a fixed block (510) is slidably connected in the movable groove (59), the fixed block (510) can be clamped and fixed on the top plate (57), 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 with the fixed block (510).

5. The quantitative sampling device for clinical laboratory tests according to claim 4, wherein the top thread of the fixed block (510) is inserted with a bolt (511), one end of the bolt (511) is rotatably provided with a friction block (513) through a bearing, and the friction block (513) is in friction contact with the inner wall of the movable groove (59).

6. The quantitative sampling device for clinical laboratory tests according to claim 1, wherein the lifting assembly (6) further comprises a mounting frame (61), the top of the base (1) is fixedly provided with the mounting frame (61), the top of the mounting frame (61) is fixedly provided with a first electric push rod (62), and the extension end of the first electric push rod (62) is fixedly connected with the connecting frame (63).

7. The quantitative sampling device for clinical laboratory tests according to claim 6, wherein second electric push rods (64) are fixed on two sides of the connecting frame (63), connecting plates (68) are fixed at the extension ends of the second electric push rods (64) through the connecting frame (63), and two ends of the connecting plates (68) are rotatably connected with two corresponding spring clamps (69) through rotating shafts.

8. The quantitative sampling device for clinical laboratory tests according to claim 7, wherein a vertical rod (610) is fixed at the bottom of the connecting plate (68), a semicircular folding wrapping layer (67) is fixed at the bottom of the vertical rod (610), two groups of the folding wrapping layers (67) are combined into a cylinder, and the folding wrapping layer (67) can be wrapped at the outer end of the test tube (21).

9. The quantitative sampling device for clinical laboratory tests according to claim 8, wherein an arc plate (611) is fixed at 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 formed in the top of the central column (53) towards one side of the arc plate (611), and the arc plate (611) is in sliding clamping connection with the inside of the clamping groove (58).

10. The quantitative sampling device for clinical laboratory tests according to claim 9, wherein a third electric push rod (65) is fixed at the top of the connecting frame (63) corresponding to the clamping frame (66), and the extension end of the third electric push rod (65) is fixedly connected with the clamping frame (66).