A device for sampling and detecting a carbapenem antibiotic

Abstract

The application discloses a carbon-penicillin antibiotic medicine sampling and detecting device and belongs to the technical field of medicine detection. The device comprises a detector body and a sampling bottle. The inside of the detector body is provided with a detecting assembly, which comprises a placing groove and a driving mechanism. The inside of the detecting cavity is connected with a three-way valve I and a three-way valve II. The inside of the sampling bottle is continuously injected with physiological saline, and the physiological saline is simultaneously pumped out. Meanwhile, air is injected into the inside of the placing groove, and the connecting block and the sampling bottle are lifted up and then fall down, so that the sampling bottle is shaken in the inside of the placing groove and is combined with the flow of the physiological saline. The mixing efficiency of the physiological saline and the carbon-penicillin antibiotic medicine sample is improved. Then, the mixed liquid is pumped back into the inside of the detecting cavity, the liquid level of the liquid is pushed into the inside of the connecting groove and overflows the camera, the camera is started, and the detection of the liquid clarity and whether visible particles exist in the liquid can be completed.

Description

Technical Field

[0001] This invention relates to the field of pharmaceutical testing technology, and in particular to a carbapenem antibiotic sampling and testing device. Background Technology

[0002] Drug testing encompasses a wide range of tests, including drug quality testing, drug component testing, drug heavy metal testing, drug adverse reaction testing, biological drug testing, routine drug testing, drug physicochemical testing, drug safety testing, and drug weight testing. The purpose of drug testing is to prevent substandard drugs from entering the market and to ensure drug safety.

[0003] Chinese patent CN211553958U discloses a drug testing instrument that integrates the testing instrument and grinding device into a testing platform. When testing granular drugs, the drug can be directly placed in the grinding device to be ground into powder before being placed in the testing instrument, making the testing of granular drugs more convenient. In the granular drug grinding chamber, only the motor and servo motor need to be turned on. The motor drives the grinding plate to rotate continuously, and the motor drives the grinding box to move up and down back and forth. Through the combined action, the granular drugs can be ground. The whole instrument is easy to use and improves the testing efficiency.

[0004] However, this drug testing instrument cannot detect the clarity of the solution after mixing carbapenem antibiotics with saline solution, or whether there are visible particles in the solution, making it still relatively inconvenient to use. Summary of the Invention

[0005] The purpose of this invention is to provide a carbapenem antibiotic sampling and detection device to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a carbapenem antibiotic sampling and detection device, comprising a detector body and a sampling bottle, wherein a detection component is disposed inside the detector body, the detection component comprising a placement groove and a driving mechanism, the placement groove being formed on the detector body, a connecting block being slidably connected to the inner wall of the placement groove, and a needle being installed on the outer wall of the connecting block, a detection chamber being formed inside the detector body, a piston chamber being formed inside the detector body, and a connecting rod being slidably connected between the detection chamber and the piston chamber, the bottom of the connecting rod being... A first piston plate is installed on the outer wall of the end, a second connecting spring is installed on the inner wall of the piston chamber, a second piston plate is installed on the outer wall of the top end of the connecting rod, a three-way valve adapted to the detection chamber is provided on the inner wall of the detector body, a connecting pipe is installed on the outer wall of the three-way valve, a water suction pipe is installed on the outer wall of the three-way valve, a storage chamber for storing physiological saline is provided on the inner wall of the detector body, a connecting groove is opened on the inner wall of the top end of the detection chamber, and a camera for detecting the clarity of the drug solution and the presence of visible particles is installed on the inner wall of the connecting groove.

[0007] Furthermore, one end of the connecting tube is slidably connected to the connecting block, the first piston plate is slidably connected to the piston chamber via the second connecting spring, and the second piston plate is slidably connected to the detection chamber via the connecting rod and the first piston plate.

[0008] Furthermore, a connecting channel is provided on the bottom outer wall of the piston chamber, and a lifting groove adapted to the connecting channel is provided on the inner wall of the detector body. A piston block is slidably connected to the inner wall of the lifting groove, and an observation window adapted to the lifting groove is provided on the outer wall of the detector body, with scale lines engraved on the surface of the observation window.

[0009] Furthermore, the driving mechanism includes a bidirectional air pump, which is installed inside the detector body. The outer wall of the detector body is provided with a cover plate adapted to the placement slot. A first connecting spring is installed on the outer wall of the cover plate. An air extraction pipe is installed at one end of the bidirectional air pump, and an air outlet pipe is installed at the other end. A three-way valve is installed at one end of the air outlet pipe, and an air injection pipe adapted to the piston chamber is provided on the outer wall of the three-way valve.

[0010] Furthermore, the outer wall of the three-way valve is provided with a branch pipe adapted to the placement groove, the outer wall of the connecting block is fixedly connected with a fixing block, the outer wall of the detector body is provided with an air outlet channel adapted to the placement groove, the inner wall of the placement groove is damped and slidably connected with a limit block, and the outer wall of the limit block is fixedly connected with a force-bearing block.

[0011] Furthermore, two sets of force-bearing blocks are symmetrically arranged around the central axis of the limiting block, and the fixing block is located between the two force-bearing blocks.

[0012] Furthermore, a drainage channel is provided on the outer wall of the connecting block, a connecting pipe is fixedly connected to the bottom outer wall of the connecting block, a reset spring adapted to the connecting pipe is provided on the inner wall of the detector body, a first guide groove adapted to the connecting pipe is provided on the inner wall of the detector body, a drain outlet is connected to one end of the first guide groove, and a one-way valve adapted to the drain outlet is provided on the outer wall of the detector body.

[0013] Furthermore, a sliding groove is provided on the inner wall of the detector body, a cylinder is installed on the inner wall of the sliding groove, a limit post is fixedly connected to the outer wall of one end of the cylinder, and a second guide groove is provided on the inner wall of the detector body for connecting the sliding groove and the drain outlet.

[0014] Furthermore, the top of the second piston plate is an inclined surface.

[0015] Compared with the prior art, the beneficial effects of the present invention are: (1) The present invention uses a two-way air pump in conjunction with three-way valve one and three-way valve two to continuously inject physiological saline into the sample bottle inside the detection chamber and then extract it. At the same time, air can be injected into the placement tank and the connecting block and the sample bottle are lifted up and then dropped, causing the sample bottle to shake inside the placement tank. Combined with the flow of physiological saline, this can promote the mixing efficiency of physiological saline and carbapenem antibiotic sample. After that, the mixed drug solution is pumped back into the detection chamber and the liquid surface of the drug solution is pushed into the connecting tank and overflows the camera. The camera can be activated to complete the detection of the clarity of the drug solution and the presence of visible particles in the drug solution.

[0016] (2) In this invention, when the saline solution inside the storage chamber is drawn into the detection chamber, the liquid below the first piston plate is drawn into the lifting tank and pushes the piston block upward. The amount of saline solution entering the detection chamber can be determined by the scale line on the observation window, ensuring that the saline solution is tested when it meets the requirements for human injection when testing carbapenem antibiotic sample solution.

[0017] (3) After the test is completed, the saline solution is drawn back into the test chamber. Then, the bidirectional air pump and the three-way valve are controlled to squeeze the saline solution in the test chamber into the placement tank and then draw it back into the test chamber. The flow of saline solution washes the inner wall of the test chamber and the connecting tube. When the saline solution enters the placement tank, air is injected into the placement tank to make the connecting block slide upward and fall down. This is repeated several times to make the saline solution vibrate inside the placement tank, thereby achieving the effect of self-cleaning the needle. After the saline solution is discharged, it is drawn back into the test chamber and the above steps are repeated to achieve self-cleaning and prevent drug residue from remaining inside the device and affecting subsequent tests. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of a carbapenem antibiotic sampling and detection device according to the present invention; Figure 2 This is a schematic diagram of the internal structure of the detector body in this invention; Figure 3 This is a schematic diagram of the interlocking structure of the connecting block and the needle in this invention; Figure 4 This is a schematic diagram of the interaction between the three-way valve and the connecting pipe in this invention; Figure 5 This is a schematic diagram of the cooperative structure of the pumping pipe and the liquid storage tank in this invention; Figure 6 This is a schematic diagram of the interaction between the lifting groove and the piston block in this invention; Figure 7 This is a schematic diagram of the interoperable structure of the connecting pipe and the reset spring in this invention; Figure 8 This is a schematic diagram showing the orientation of the branch pipe, the first guide channel, and the second guide channel in this invention. Figure 9 For the present invention Figure 4 Enlarged structural diagram at point A in the middle; Figure 10 For the present invention Figure 2 Enlarged structural diagram at point B; Figure 11 For the present invention Figure 2 Enlarged structural diagram at point C.

[0019] In the diagram: 1. Detector body; 2. Sampling bottle; 3. Placement slot; 4. Connecting block; 5. Needle; 6. Cover plate; 7. First connecting spring; 8. Detection chamber; 9. Piston chamber; 10. Connecting rod; 11. First piston plate; 12. Second piston plate; 13. Three-way valve one; 14. Connecting pipe; 15. Water suction pipe; 16. Liquid storage tank; 17. Two-way air pump; 18. Air suction pipe; 19. Air outlet pipe; 20. Three-way valve two; 21. Air injection pipe; 22. Connecting slot 23. Camera; 24. Connecting channel; 25. Lifting groove; 26. Piston block; 27. Observation window; 28. Branch pipe; 29. ​​Fixing block; 30. Air outlet channel; 31. Limiting block; 32. Force-bearing block; 33. Drainage channel; 34. Connecting pipe; 35. Return spring; 36. First guide groove; 37. Drain outlet; 38. One-way valve; 39. Slide groove; 40. Cylinder; 41. Limiting post; 42. Second guide groove; 43. Second connecting spring. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0021] It should be noted that, unless otherwise specified, the embodiments and features described in the present invention can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0022] Example 1 Please see Figures 1-11This invention provides a technical solution: a carbapenem antibiotic sampling and detection device, comprising a detector body 1 and a sampling bottle 2. The detector body 1 has a detection component inside, including a placement groove 3 and a driving mechanism. The placement groove 3 is formed on the detector body 1, and a connecting block 4 is slidably connected to the inner wall of the placement groove 3. A needle 5 is installed on the outer wall of the connecting block 4. The detector body 1 has a detection chamber 8 and a piston chamber 9 inside. A connecting rod 10 is slidably connected between the detection chamber 8 and the piston chamber 9. A first piston is installed on the outer wall of the bottom end of the connecting rod 10. A second connecting spring 43 is installed on the inner wall of the stopper plate 11 and piston chamber 9. A second piston plate 12 is installed on the outer wall of the top end of the connecting rod 10. A three-way valve 13 adapted to the detection chamber 8 is provided on the inner wall of the detector body 1. A connecting pipe 14 is installed on the outer wall of the three-way valve 13. A water suction pipe 15 is installed on the outer wall of the three-way valve 13. A storage tank 16 for storing physiological saline is provided on the inner wall of the detector body 1. A connecting groove 22 is opened on the inner wall of the top end of the detection chamber 8. A camera 23 for detecting the clarity of the drug solution and the presence of visible particles is installed on the inner wall of the connecting groove 22.

[0023] In use, first, place the sampling bottle 2 containing the carbapenem antibiotic sample into the placement slot 3, and press the sampling bottle 2 so that the needle 5 on the surface of the connecting block 4 is inserted into the sampling bottle 2. Then, control the three-way valve 13 to open the channel between the suction pipe 15 and the detection chamber 8, and close other channels. Then, start the drive mechanism to inject air into the piston chamber 9, increasing the pressure inside the piston chamber 9. This will push the first piston plate 11 to slide downward inside the piston chamber 9 and compress the second connecting spring 43. When the first piston plate 11 moves downward, it will drive the second piston plate 12 to slide downward inside the detection chamber 8 through the connecting rod 10, reducing the pressure inside the detection chamber 8 and generating a suction force. This will draw the saline solution inside the storage chamber 16 into the detection chamber 8 through the suction pipe 15. Then, control the three-way valve 13 to open the channel between the connecting pipe 14 and the detection chamber 8, close other channels, and control the drive mechanism to extract the air from inside the piston chamber 9. At this time, the second connecting spring 43 is pushed by the force to reset the connecting rod 10, the first piston plate 11 and the second piston plate 12, so that the second piston plate 12 squeezes the saline solution inside the detection chamber 8 and squeezes it into the connecting tube 14, and injects it into the sampling bottle 2 through the needle 5. Then, the drive mechanism is controlled to continuously inject and evacuate the piston chamber 9, so that the saline solution inside the detection chamber 8 is continuously injected into the sampling bottle 2 and then extracted. This cycle is repeated many times to promote the mixing efficiency of saline solution and carbapenem antibiotic sample. After the drug solution inside the sampling bottle 2 is drawn back into the detection chamber 8, the three-way valve 13 is controlled to close all channels and the air inside the piston chamber 9 is extracted again, so that the second piston plate 12 squeezes the drug solution inside the detection chamber 8, thereby pushing the liquid level of the drug solution into the connecting groove 22 and overflowing the camera 23. Finally, the camera 23 is activated to complete the detection of the clarity of the drug solution and the presence of visible particles in the drug solution.

[0024] A connecting channel 24 is provided on the bottom outer wall of the piston chamber 9. A lifting groove 25 adapted to the connecting channel 24 is provided on the inner wall of the detector body 1. A piston block 26 is slidably connected to the inner wall of the lifting groove 25. An observation window 27 adapted to the lifting groove 25 is provided on the outer wall of the detector body 1, and scale lines are engraved on the surface of the observation window 27.

[0025] During use, when the saline solution inside the storage tank 16 is drawn into the detection tank 8, the first piston plate 11 moves downward inside the piston chamber 9, squeezing the liquid below the first piston plate 11. This causes the liquid below the first piston plate 11 to enter the lifting tank 25 through the connecting channel 24, increasing the pressure inside the lifting tank 25. This, in turn, pushes the piston block 26 upward along the inner wall of the lifting tank 25. The amount of saline solution entering the detection tank 8 can be determined by the scale lines on the observation window 27, ensuring that the carbapenem antibiotic sample solution is tested under conditions suitable for human injection.

[0026] The drive mechanism includes a bidirectional air pump 17, which is installed inside the detector body 1. A cover plate 6 adapted to the placement slot 3 is provided on the outer wall of the detector body 1. A first connecting spring 7 is installed on the outer wall of the cover plate 6. An air extraction pipe 18 is installed at one end of the bidirectional air pump 17, and an air outlet pipe 19 is installed at the other end of the bidirectional air pump 17. A three-way valve 20 is installed at one end of the air outlet pipe 19. An air injection pipe 21 adapted to the piston chamber 9 is provided on the outer wall of the three-way valve 20, and a branch pipe 28 adapted to the placement slot 3 is provided on the outer wall of the three-way valve 20. A fixing block 29 is fixedly connected to the outer wall of the connecting block 4. An air outlet channel 30 adapted to the placement slot 3 is provided on the outer wall of the detector body 1. A limit block 31 is damped and slidably connected to the inner wall of the placement slot 3, and a force-bearing block 32 is fixedly connected to the outer wall of the limit block 31.

[0027] In use, after the sampling bottle 2 containing the carbapenem antibiotic sample is placed inside the placement slot 3, the cover plate 6 is rotated to seal the placement slot 3. At this time, the first connecting spring 7 on the cover plate 6 will press the surface of the sampling bottle 2. Then, the three-way valve 20 is controlled to open the channel between the gas outlet pipe 19 and the gas injection pipe 21 and close other channels. At the same time, the three-way valve 13 opens the channel between the water suction pipe 15 and the detection chamber 8 and closes other channels. The bidirectional air pump 17 is started to pump external air into the gas outlet pipe 19 through the air suction pipe 18 and inject it into the piston chamber 9 above the first piston plate 11 through the three-way valve 20 and the gas injection pipe 21. This pushes the first piston plate 11 to move downward and squeeze the second connecting spring 43, thereby sucking the saline solution inside the storage chamber 16 into the detection chamber 8. Then, control the three-way valve 13 to open the channel between the detection chamber 8 and the connecting pipe 14, and close other channels. Control the bidirectional air pump 17 to work in reverse to evacuate the inside of the piston chamber 9. With the elastic force of the second connecting spring 43, the first piston plate 11, the connecting rod 10 and the second piston plate 12 can be pushed upward to push the saline solution inside the detection chamber 8 into the sampling bottle 2. Then, control the bidirectional air pump 17 to continuously inject and evacuate the inside of the piston chamber 9, so that the saline solution inside the detection chamber 8 is continuously injected into the sampling bottle 2 and then extracted. This cycle is repeated many times, which can promote the mixing efficiency of saline solution and carbapenem antibiotic samples. During the process of continuously injecting saline solution into the sampling bottle 2 inside the testing chamber 8 and then extracting it, the three-way valve 20 is controlled to open the channel between the vent pipe 19 and the branch pipe 28, and close other channels, allowing air to be injected into the placement tank 3 through the branch pipe 28. This lifts the connecting block 4 and the sampling bottle 2 upwards, causing the sampling bottle 2 to compress the first connecting spring 7. When the connecting block 4 moves upwards, it will drive the fixing block 29 to move upwards synchronously. When the fixing block 29 moves upwards and contacts the upper force block 32, it continues to move upwards in coordination with the connecting block 4, causing the fixing block 29 to apply a pushing force to the upper force block 32, which in turn pushes the limit block 31. Slide upwards and release the restriction on the air outlet channel 30, allowing the air entering the placement tank 3 to be discharged through the air outlet channel 30. At this time, the first connecting spring 7 will be pushed by the force to move the sampling bottle 2 and the connecting block 4 downwards. When the fixed block 29 moves downwards and contacts the lower force block 32, the lower force block 32 will push the limiting block 31 to reset and limit the air outlet channel 30 again, so that the air entering the placement tank 3 will push the connecting block 4 and the sampling bottle 2 upwards again. This cycle is repeated many times, causing the sampling bottle 2 to shake inside the placement tank 3, which can further promote the mixing efficiency of physiological saline and carbapenem antibiotic samples.

[0028] A drainage channel 33 is provided on the outer wall of the connecting block 4. A connecting pipe 34 is fixedly connected to the bottom outer wall of the connecting block 4. A reset spring 35 adapted to the connecting pipe 34 is provided on the inner wall of the detector body 1. A first guide groove 36 adapted to the connecting pipe 34 is provided on the inner wall of the detector body 1. A drain outlet 37 is connected to one end of the first guide groove 36. A one-way valve 38 adapted to the drain outlet 37 is provided on the outer wall of the detector body 1. A slide groove 39 is provided on the inner wall of the detector body 1. A cylinder 40 is installed on the inner wall of the slide groove 39. A limit post 41 is fixedly connected to the outer wall of one end of the cylinder 40. A second guide groove 42 for connecting the slide groove 39 and the drain outlet 37 is provided on the inner wall of the detector body 1. The top end of the second piston plate 12 is an inclined surface.

[0029] During use, after the test is completed, the liquid medicine inside the test chamber 8 is squeezed into the sampling bottle 2, and then the sampling bottle 2 is taken out from the inside of the placement tank 3. The one-way valve 38 is closed. At this time, the saline solution inside the storage tank 16 is pumped into the inside of the test chamber 8 again. Then, the bidirectional air pump 17 and the three-way valve 13 are controlled to squeeze the saline solution inside the test chamber 8 into the inside of the placement tank 3, and then pump it back into the inside of the test chamber 8. The flow of saline solution flushes the inner walls of the test chamber 8 and the connecting tube 14. When the saline solution enters the inside of the placement tank 3, the two-way air valve 20 and the bidirectional air pump 17 inject air into the inside of the placement tank 3, so that the connecting block 4 drives the connecting tube 34 to slide upward and compress the return spring 35. When the limit block 31 releases the limit on the air outlet channel 30, the return spring 35 is pulled by the force to reset the connecting block 4. This cycle is repeated many times, so that the saline solution vibrates inside the placement tank 3, thereby achieving the effect of self-cleaning the needle 5. Finally, when the second piston plate 12 moves to the top of the detection chamber 8, it squeezes the saline solution inside the detection chamber 8 into the placement tank 3. The bidirectional air pump 17 is turned off and the one-way valve 38 is opened. At this time, the saline solution inside the placement tank 3 will enter the connecting pipe 34 through the drain channel 33 and then enter the first guide channel 36 through the connecting pipe 34. Finally, it will be discharged through the drain port 37. Then, the bidirectional air pump 17 is started to evacuate the piston chamber 9, causing the second piston plate 12 to move down to the bottom of the detection chamber 8. At this time, the saline solution remaining inside the connecting tank 22 and connecting pipe 14 will flow to the surface of the second piston plate 12. At this time, the cylinder 40 is started to pull the limiting column 41 to move inside the slide 39 and release the limiting of the second guide channel 42. At this time, the saline solution on the surface of the second piston plate 12 will flow into the slide 39 along the inclined surface of the second piston plate 12 and finally enter the second guide channel 42 and be discharged from the drain port 37. Then, the saline solution inside the storage tank 16 is drawn back into the detection tank 8, and the above steps are repeated to complete the self-cleaning of the detection tank 8, the connecting groove 22, the camera 23, the connecting tube 14, and the needle 5, preventing drug residues from remaining on the surface of the detection tank 8, the connecting groove 22, the camera 23, the connecting tube 14, and the needle 5, and from affecting subsequent tests.

[0030] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A carbapenem antibiotic sampling and detection device, comprising a detector body (1) and a sampling bottle (2), characterized in that: The detector body (1) is equipped with a detection component inside; The detection assembly includes a placement slot (3) and a drive mechanism. The placement slot (3) is located on the detector body (1). A connecting block (4) is slidably connected to the inner wall of the placement slot (3). A needle (5) is installed on the outer wall of the connecting block (4). A detection chamber (8) is located inside the detector body (1). A piston chamber (9) is located inside the detector body (1). A connecting rod (10) is slidably connected between the detection chamber (8) and the piston chamber (9). A first piston plate (11) is installed on the outer wall of the bottom end of the connecting rod (10). A second connecting spring (43) is installed on the inner wall of the piston chamber (9). A second piston plate (12) is installed on the outer wall of the top end of the connecting rod (10). A three-way valve (13) adapted to the detection chamber (8) is provided on the inner wall of the detector body (1). A connecting pipe (14) is installed on the outer wall of the three-way valve (13). A water pumping pipe (15) is installed on the outer wall of the three-way valve (13). A storage chamber (16) for storing physiological saline is provided on the inner wall of the detector body (1). A connecting groove (22) is opened on the inner wall of the top end of the detection chamber (8). A camera (23) for detecting the clarity of the drug solution and the presence or absence of visible particles is installed on the inner wall of the connecting groove (22).

2. The carbapenem antibiotic sampling and detection device according to claim 1, characterized in that: One end of the connecting pipe (14) is slidably connected to the connecting block (4), the first piston plate (11) is slidably connected to the piston chamber (9) through the second connecting spring (43), and the second piston plate (12) is slidably connected to the detection chamber (8) through the connecting rod (10) and the first piston plate (11).

3. The carbapenem antibiotic sampling and detection device according to claim 1, characterized in that: A connecting channel (24) is provided on the bottom outer wall of the piston chamber (9). A lifting groove (25) adapted to the connecting channel (24) is provided on the inner wall of the detector body (1). A piston block (26) is slidably connected to the inner wall of the lifting groove (25). An observation window (27) adapted to the lifting groove (25) is provided on the outer wall of the detector body (1), and scale lines are engraved on the surface of the observation window (27).

4. The carbapenem antibiotic sampling and detection device according to claim 1, characterized in that: The driving mechanism includes a bidirectional air pump (17), which is installed inside the detector body (1). The outer wall of the detector body (1) is provided with a cover plate (6) adapted to the placement slot (3). A first connecting spring (7) is installed on the outer wall of the cover plate (6). A suction pipe (18) is installed at one end of the bidirectional air pump (17). An outlet pipe (19) is installed at one end of the bidirectional air pump (17). A three-way valve (20) is installed at one end of the outlet pipe (19). An injection pipe (21) adapted to the piston chamber (9) is provided on the outer wall of the three-way valve (20).

5. The carbapenem antibiotic sampling and detection device according to claim 4, characterized in that: The outer wall of the three-way valve (20) is provided with a branch pipe (28) adapted to the placement groove (3), the outer wall of the connecting block (4) is fixedly connected with a fixing block (29), the outer wall of the detector body (1) is provided with an air outlet channel (30) adapted to the placement groove (3), the inner wall of the placement groove (3) is damped and slidably connected with a limit block (31), and the outer wall of the limit block (31) is fixedly connected with a force block (32).

6. The carbapenem antibiotic sampling and detection device according to claim 5, characterized in that: The force-bearing blocks (32) are arranged symmetrically in two sets with the central axis of the limiting block (31) as the center, and the fixing block (29) is located between the two force-bearing blocks (32).

7. The carbapenem antibiotic sampling and detection device according to claim 5, characterized in that: A drainage channel (33) is provided on the outer wall of the connecting block (4). A connecting pipe (34) is fixedly connected to the bottom outer wall of the connecting block (4). A reset spring (35) adapted to the connecting pipe (34) is provided on the inner wall of the detector body (1). A first guide groove (36) adapted to the connecting pipe (34) is provided on the inner wall of the detector body (1). A drain outlet (37) is connected to one end of the first guide groove (36). A one-way valve (38) adapted to the drain outlet (37) is provided on the outer wall of the detector body (1).

8. The carbapenem antibiotic sampling and detection device according to claim 1, characterized in that: The inner wall of the detector body (1) is provided with a sliding groove (39), a cylinder (40) is installed on the inner wall of the sliding groove (39), a limit post (41) is fixedly connected to the outer wall of one end of the cylinder (40), and a second guide groove (42) is provided on the inner wall of the detector body (1) for connecting the sliding groove (39) and the drain outlet (37).

9. A carbapenem antibiotic sampling and detection device according to claim 2, characterized in that: The top of the second piston plate (12) is an inclined surface.

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