An automatic pre-processing pleural fluid sampling needle

Abstract

The utility model relates to the technical field of pleural fluid sampling, and in particular to an automatically pre-treated pleural fluid sampling needle, the technical scheme of which includes: a syringe body, a hole is opened below the front of the outer wall of the syringe body and connected to a second connecting end, the outer wall of the second connecting end is provided with an external thread and a first sealing cover or a medicine bottle body is threadedly installed, a curing agent is injected into the medicine bottle body, a second connecting plate is fixedly installed on the top of the syringe body, a limit plate is movably sleeved on the outer side of the syringe body, and adjusting screws are respectively fixedly installed on both sides of the top of the limit plate, and the adjusting screws pass through the second connecting plate and are threadedly installed with a limit nut. The utility model solves the problem that sometimes the test cannot be carried out in time after sampling, which will affect the stability of the sample. At the same time, after sampling, if the sampling syringe is accidentally touched, the sample will be discharged unintentionally, resulting in a reduction in the amount of inspection and affecting the test results.

Description

Technical Field

[0001] The utility model relates to the technical field of pleural fluid sampling, in particular to an automatic pre-processing pleural fluid sampling needle. Background Art

[0002] Pleural fluid tumor marker detection is a clinical laboratory test method designed to determine the presence and concentration of specific tumor markers in pleural effusion. Pleural fluid tumor markers refer to specific molecules or substances produced by tumor cells during tumor occurrence and development. Their content in pleural fluid may be related to the presence, type and disease progression of intrathoracic tumors.

[0003] The steps of pleural fluid tumor marker detection usually include the following aspects: 1. Sample collection: medical staff collect pleural fluid samples through medical devices or technologies; 2. Marker detection: detect whether specific tumor markers are present in the sample through specific detection methods; 3. Result analysis: 4. Evaluate and judge the patient's condition through the measured marker concentration, combined with clinical history and other examination results.

[0004] Since the collected pleural fluid samples need to be tested by enzyme-linked immunosorbent assay, radioimmunoassay or fluorescent immunoassay, so as to detect whether there are specific tumor markers in the samples, in actual operations, sometimes the test cannot be performed in time after sampling, which will affect the stability of the sample. At the same time, after sampling, if the sampling syringe is accidentally touched, the sample will be inadvertently discharged, resulting in a reduction in the amount of samples sent for inspection and affecting the test results. Therefore, an automatically pre-treated pleural fluid sampling needle is needed to solve the above problems. Utility Model Content

[0005] The utility model aims to provide an automatic pre-processing pleural fluid sampling needle, which can effectively solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatically pre-treated pleural fluid sampling needle, comprising a syringe body, a hole opened at the lower front side of the outer wall of the syringe body and connected to and installed with a second connecting end, an outer wall of the second connecting end is provided with an external thread and threadedly installed with a first sealing cap or a medicine bottle body, the medicine bottle body is designed with a transparent polyethylene plastic material and has a wall thickness of two hundred microns, a curing agent is injected into the medicine bottle body, a second connecting plate is fixedly installed on the top of the syringe body, a limit plate is movably mounted on the outer side of the syringe body, and adjusting screws are fixedly installed on both sides of the top of the limit plate, and the adjusting screws pass through the second connecting plate and are threadedly installed with a limit nut.

[0007] Preferably, a hole is opened at the bottom end of the syringe body and connected to the first connecting end, an outer wall of the first connecting end is provided with an external thread and the needle body or the second sealing cover is threadedly installed, and a connecting rod is movably inserted in the syringe body.

[0008] By opening a hole at the bottom end of the syringe body and connecting and installing a first connecting end, and at the same time opening an external thread on the outer wall of the first connecting end and threadably installing a needle body or a second sealing cover, puncture can be carried out through the needle body and sampling can be carried out, and the first connecting end can be sealed by the second sealing cover to avoid leakage.

[0009] Preferably, a piston body is fixedly mounted on the bottom end of the connecting rod, the piston body is designed with medical soft rubber material, the outer diameter of the piston body matches the inner diameter of the syringe body, and a first connecting plate is fixedly mounted on the top of the connecting rod.

[0010] By fixing a piston body at the bottom end of the connecting rod, and designing the piston body with medical soft rubber material, and matching the outer diameter of the piston body with the inner diameter of the syringe body, the sampling operation can be achieved by moving the piston body in the syringe body.

[0011] Preferably, a pull rod is fixedly installed in the middle of the top of the first connecting plate, and second reserved holes are opened on both sides of the upper end surface of the first connecting plate.

[0012] A pull rod is fixedly installed in the middle of the top of the first connecting plate, so that the connecting rod can be pushed or pulled by holding the pull rod.

[0013] Preferably, a sealing gasket is embedded and installed in the end of the second connecting end facing away from the syringe body, and the sealing gasket is designed with a silicone material and has a cross groove on the surface.

[0014] A sealing gasket is embedded in the end of the second connecting end away from the syringe body, and the sealing gasket is designed with a silicone material and has a cross groove on the surface. Therefore, after the medicine bottle body is installed on the second connecting end, the curing agent can be extracted from the medicine bottle body and sucked into the syringe body only when negative pressure is generated in the syringe body.

[0015] Preferably, first reserved holes are respectively opened on both sides of the upper end surface of the second connecting plate, the top of the adjusting screw passes through the first reserved hole and the second reserved hole, and positioning nuts are threadedly installed on the upper and lower ends of the first connecting plate.

[0016] By opening first reserved holes on both sides of the upper surface of the second connecting plate, the top of the adjusting screw passes through the first reserved hole and the second reserved hole, and positioning nuts are threadedly installed on the upper and lower ends of the first connecting plate, thereby limiting the maximum distance between the first connecting plate and the opposite side of the limiting plate.

[0017] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0018] The utility model sets a second connecting end, installs the medicine bottle body at the second connecting end, and injects a curing agent into the medicine bottle body in advance, so that when a sample is sucked into the syringe body, the curing agent can be extracted from the medicine bottle body and injected into the sample by continuing to pull the connecting rod, so that the purpose of maintaining the stability of the sample is automatically achieved through the mixing of the sample and the curing agent. At the same time, an adjusting screw is set, and a limit nut is threadedly installed on the adjusting screw on the side opposite to the first connecting plate and the second connecting plate. After the sample sampling is completed, the limit nut is rotated on the adjusting screw so that the bottom of the limit nut contacts the top of the second connecting plate, thereby preventing the first connecting plate from moving downward and causing the sample to be discharged from the syringe body, thereby achieving the effect of maintaining the stability of the sample and avoiding sample leakage due to accidental touch. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structure of the needle body of the utility model when in use;

[0020] Figure 2 This is a schematic diagram of the cross-sectional structure of the needle body of the utility model when in use;

[0021] Figure 3 For the utility model Figure 3 The structural diagram of the enlarged part in the middle;

[0022] Figure 4 This is a schematic diagram of the syringe body structure of the utility model;

[0023] Figure 5 This is a schematic diagram of the first connecting plate connection structure of the utility model;

[0024] Figure 6 This is a schematic diagram of the structure of the medicine bottle body of the utility model when in use.

[0025] In the figure: 1. first sealing cover; 2. limiting plate; 3. adjusting screw; 4. limiting nut; 5. positioning nut; 6. pull rod; 7. first connecting plate; 8. second connecting plate; 9. syringe body; 10. needle body; 11. first connecting end; 12. connecting rod; 13. piston body; 14. second connecting end; 15. sealing gasket; 16. first reserved hole; 17. second reserved hole; 18. second sealing cover; 19. medicine bottle body. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention. Example

[0027] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, an embodiment of the utility model is provided: an automatic pre-treatment pleural fluid sampling needle, comprising a syringe body 9, a hole is opened at the lower front side of the outer wall of the syringe body 9 and is connected and installed with a second connecting end 14, the outer wall of the second connecting end 14 is provided with an external thread and is threadedly installed with a first sealing cover 1 or a medicine bottle body 19, the medicine bottle body 19 is designed with a transparent polyethylene plastic material and has a wall thickness of two hundred microns, a curing agent is injected into the medicine bottle body 19, a second connecting plate 8 is fixedly installed on the top of the syringe body 9, a limit plate 2 is movably mounted on the outer side of the syringe body 9, and adjusting screws 3 are fixedly installed on both sides of the top of the limit plate 2, the adjusting screws 3 pass through the second connecting plate 8 and are threadedly installed with a limit nut 4.

[0028] Specifically, by setting the second connecting end 14, installing the medicine bottle body 19 at the second connecting end 14, and injecting the curing agent into the medicine bottle body 19 in advance, when the sample is sucked into the syringe body 9, the curing agent can be extracted from the medicine bottle body 19 and injected into the sample by continuing to pull the connecting rod 12, so that the purpose of maintaining the stability of the sample is automatically achieved through the mixing of the sample and the curing agent. At the same time, by setting the adjusting screw 3, and threading the limit nut 4 on the adjusting screw 3 on the side opposite to the first connecting plate 7 and the second connecting plate 8, after the sample sampling is completed, by rotating the limit nut 4 on the adjusting screw 3, the bottom of the limit nut 4 is in contact with the top of the second connecting plate 8, thereby preventing the first connecting plate 7 from moving downward and causing the sample to be discharged from the syringe body 9, thereby achieving the effect of maintaining the stability of the sample and avoiding accidental touch and causing sample leakage.

[0029] Furthermore, a hole is opened at the bottom end of the syringe body 9 and connected to the first connecting end 11 , an outer wall of the first connecting end 11 is provided with an external thread and the needle body 10 or the second sealing cover 18 is threadedly installed, and a connecting rod 12 is movably inserted in the syringe body 9 .

[0030] By opening a hole at the bottom end of the syringe body 9 and connecting and installing the first connecting end 11, and at the same time, an external thread is opened on the outer wall of the first connecting end 11 and a needle body 10 or a second sealing cover 18 is threadedly installed, so that puncture and sampling can be carried out through the needle body 10, and the first connecting end 11 can be sealed by the second sealing cover 18 to avoid leakage.

[0031] Furthermore, a piston body 13 is fixedly installed at the bottom end of the connecting rod 12. The piston body 13 is designed with medical soft rubber material. The outer diameter of the piston body 13 matches the inner diameter of the syringe body 9. The first connecting plate 7 is fixedly installed on the top of the connecting rod 12.

[0032] By fixing a piston body 13 at the bottom end of the connecting rod 12, and designing the piston body 13 with a medical soft rubber material, and matching the outer diameter of the piston body 13 with the inner diameter of the syringe body 9, the sampling operation can be achieved by moving the piston body 13 in the syringe body 9.

[0033] Furthermore, a pull rod 6 is fixedly installed in the middle of the top of the first connecting plate 7 , and second reserved holes 17 are opened on both sides of the upper end surface of the first connecting plate 7 .

[0034] A pull rod 6 is fixedly installed in the middle of the top of the first connecting plate 7 , so that the connecting rod 12 can be pushed or pulled by holding the pull rod 6 .

[0035] Furthermore, a sealing gasket 15 is embedded and installed in the end of the second connecting end 14 away from the syringe body 9. The sealing gasket 15 is designed with a silicone material and has a cross groove on its surface.

[0036] A sealing gasket 15 is embedded in the end of the second connecting end 14 facing away from the syringe body 9, and the sealing gasket 15 is designed with a silicone material and has a cross groove on the surface. Therefore, after the medicine bottle body 19 is installed on the second connecting end 14, the curing agent can be extracted from the medicine bottle body 19 and sucked into the syringe body 9 only when negative pressure is generated in the syringe body 9.

[0037] Furthermore, first reserved holes 16 are respectively opened on both sides of the upper end surface of the second connecting plate 8, the top of the adjusting screw 3 passes through the first reserved hole 16 and the second reserved hole 17, and positioning nuts 5 are threadedly installed on the upper and lower ends of the first connecting plate 7.

[0038] By opening first reserved holes 16 on both sides of the upper end surface of the second connecting plate 8, the top of the adjusting screw 3 passes through the first reserved hole 16 and the second reserved hole 17, and positioning nuts 5 are threadedly installed on the upper and lower ends of the first connecting plate 7, thereby limiting the maximum distance between the first connecting plate 7 and the opposite side of the limiting plate 2.

[0039] When the utility model is used, the needle body 10 is installed on the first connecting end 11, and the first sealing cover 1 is installed on the second connecting end 14. The pleural fluid is taken out through the needle body 10 by pulling the pull rod 6. After the sample is sampled, the second sealing cover 18 is installed on the first connecting end 11, and the first sealing cover 1 is removed and the medicine bottle body 19 filled with a curing agent is installed. At this time, the pull rod 6 is pulled to form a negative pressure in the syringe body 9 again, and the curing agent in the medicine bottle body 19 is sucked out and mixed with the sample in the syringe body 9, and the stability of the sample is improved. Thereafter, the medicine bottle body 19 is removed and the first sealing cover 1 is installed again. At this time, the limit nut 4 is screwed on the adjusting screw 3 between the first connecting plate 7 and the second connecting plate 8, and the bottom surface of the limit nut 4 is in contact with the top of the second connecting plate 8, thereby preventing the first connecting plate 7 from moving downward and causing leakage of the sample.

Claims

1. An automatic pre-processed pleural fluid sampling needle, comprising a syringe body (9), characterized in that: The front lower part of the outer wall of the syringe body (9) is provided with a hole and connected to a second connecting end (14). The outer wall of the second connecting end (14) is provided with an external thread and a first sealing cap (1) or a medicine bottle body (19) is threadedly installed. The medicine bottle body (19) is made of a transparent polyethylene plastic material and has a wall thickness of 200 microns. A curing agent is injected into the medicine bottle body (19). A second connecting plate (8) is fixedly installed on the top of the syringe body (9). A limit plate (2) is movably mounted on the outer side of the syringe body (9). Adjustment screws (3) are fixedly installed on both sides of the top of the limit plate (2). The adjustment screws (3) pass through the second connecting plate (8) and are threadedly installed with a limit nut (4).

2. The automatic pre-processing pleural fluid sampling needle according to claim 1, characterized in that: The bottom end of the syringe body (9) is provided with a hole and connected to a first connecting end (11). The outer wall of the first connecting end (11) is provided with an external thread and a needle body (10) or a second sealing cover (18) is threadedly installed thereon. A connecting rod (12) is movably inserted in the syringe body (9).

3. The automatic pre-processing pleural fluid sampling needle according to claim 2, characterized in that: A piston body (13) is fixedly mounted on the bottom end of the connecting rod (12); the piston body (13) is made of a medical soft rubber material; the outer diameter of the piston body (13) matches the inner diameter of the syringe body (9); and a first connecting plate (7) is fixedly mounted on the top of the connecting rod (12).

4. The automatic pre-processing pleural fluid sampling needle according to claim 3, characterized in that: A pull rod (6) is fixedly mounted in the middle of the top of the first connecting plate (7), and second reserved holes (17) are provided on both sides of the upper end surface of the first connecting plate (7).

5. The automatic pre-processing pleural fluid sampling needle according to claim 1, characterized in that: A sealing gasket (15) is embedded and installed in the end of the second connecting end (14) facing away from the syringe body (9); the sealing gasket (15) is made of silicone material and has a cross groove on its surface.

6. The automatic pre-processing pleural fluid sampling needle according to claim 1, characterized in that: First reserved holes (16) are respectively provided on both sides of the upper end surface of the second connecting plate (8), the top of the adjusting screw rod (3) passes through the first reserved hole (16) and the second reserved hole (17), and positioning nuts (5) are respectively threadedly installed on the upper and lower ends of the first connecting plate (7).

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