Pathological specimen sampler for pathological diagnosis

Abstract

The invention relates to the technical field of specimen samplers, and discloses a pathological specimen sampler for pathological diagnosis, which comprises a sampling body and a connecting seat mounted at the lower end of the sampling body, the lower end of the connecting seat is connected with an extrusion assembly, the lower end of the extrusion assembly is connected with a supporting assembly, and the supporting assembly is sleeved with a rotating assembly. A plurality of replacement assemblies are arranged between the supporting assembly and the rotating assembly, an outer connecting pipe is connected to the lower end of the supporting assembly, a sleeve is fixedly connected to the lower end of the outer connecting pipe, and a sampling assembly is connected to the interiors of the outer connecting pipe and the sleeve. According to the pathological specimen sampler for pathological diagnosis, the rotating assembly is arranged between the sampling body and the sleeve, and the sampling assembly and the replacement assembly are both located in the rotating assembly during repeated sampling, so that dust-free and sterile replacement can be realized, and the sampling assembly can be conveniently replaced when the replacement assembly is inserted into a sampling part of a patient for sampling; and the condition of secondary injury caused by external infection of a patient is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of specimen samplers, in particular to a pathological specimen sampler for pathological diagnosis. Background Art

[0002] Pathology specimen samplers generally refer to medical devices used to obtain tissue samples from organisms (such as the human body). These devices are designed to help doctors or pathologists accurately collect suspected lesion tissues while minimizing harm to patients for further laboratory analysis and diagnosis. Pathology specimens can be obtained by different methods, including biopsy needles.

[0003] The patent with the current announcement number CN221730798U discloses a puncture biopsy needle, which specifically relates to the field of medical device technology. The puncture biopsy needle includes a rebound mechanism including a needle detection mechanism and an elastic mechanism, wherein the needle detection mechanism includes an outer detection needle, the outer detection needle is fixedly connected to the bottom of the sleeve, the outer detection needle is sleeved with an inner detection needle, and the inner detection needle is fixedly connected to the lower tooth column. The utility model arranges the inner detection needle in the outer detection needle, and the outer detection needle is fixed on the lesion tissue and does not move. Then the elastic mechanism drives the inner detection needle to remove the lesion tissue, which can prevent the puncture needle from exceeding the imaging plane due to hand shaking or bending of the puncture needle, thereby increasing the difficulty of puncture and causing patient injury.

[0004] However, the above biopsy needle still has the following problems in actual use:

[0005] When sampling is performed using a biopsy needle, the cannula and needle are inserted into the patient's body, the needle is then inserted a certain distance down to complete the sampling, and then the needle is pulled out of the cannula and the patient's body (the cannula remains in the patient's body) to collect the sample.

[0006] At present, in order to ensure the accuracy of sampling specimens, it is often necessary to perform multiple sampling at the same location. At this time, the previously pulled out needle tube needs to be inserted into the cannula again, and the above steps are repeated to complete multiple samplings. When the needle tube is pulled out from the cannula to remove the sample, the needle tube will inevitably be exposed to the air, which will cause dust or bacteria in the external environment to stick to the needle tube. Then, during the second sampling, this part of the dust and bacteria is likely to fall into the patient's body, causing secondary damage to the patient. Summary of the invention

[0007] In view of the deficiencies in the prior art, the present invention provides a pathology specimen sampler for pathology diagnosis to solve the problem that when sampling is repeated multiple times at the same position of the sampled object, the needle tube will inevitably be exposed to the air, which causes dust or bacteria in the external environment to stick to the needle tube. Then, during the second sampling, this part of the dust and bacteria is likely to fall into the patient's body, causing secondary harm to the patient.

[0008] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a pathological specimen sampler for pathological diagnosis, comprising a sampling body and a connecting seat installed at the lower end of the sampling body, the lower end of the connecting seat is connected to an extrusion assembly, the lower end of the extrusion assembly is connected to a support assembly, the outer sleeve of the support assembly is provided with a rotating assembly, a plurality of replacement assemblies are arranged between the support assembly and the rotating assembly, the lower end of the support assembly is connected to an external connecting tube, the lower end of the external connecting tube is fixedly connected to a sleeve, the internal parts of the external connecting tube and the sleeve are connected to the sampling assembly, and the upper end of the sampling assembly is located inside the rotating assembly.

[0009] Furthermore, the extrusion assembly includes a push rod, a limit block and an anti-slip sheet. The upper end of the push rod is fixedly connected to the lower end of the connecting seat. The anti-slip sheet is sleeved and fixedly connected to the outer wall of the lower end of the push rod. The inner wall of the limit block is slidably connected to the outer wall of the upper end of the push rod. The anti-slip sheet is located inside the rotating assembly.

[0010] Furthermore, the supporting assembly includes a supporting plate, a center rod, a rotating rod and a supporting block, one end of the supporting block is sleeved and fixedly connected to the outer wall of the upper end of the external connecting tube, the other end of the supporting block is sleeved and fixedly connected to the outer wall of the lower end of the rotating rod, the upper end of the rotating rod passes through the rotating assembly and the center rod to the top of the rotating assembly and the center rod, and is fixedly connected to the lower end of the supporting plate, the outer wall of the rotating rod is rotatably connected to the rotating assembly and the center rod at the penetration point, the supporting plate is sleeved and slidably connected to the outer wall of the top rod, the anti-slip sheet is located below the supporting plate, and the upper surface of the anti-slip sheet is against the bottom surface of the supporting plate, and the supporting assembly is connected to the center rod.

[0011] Furthermore, the rotating assembly includes a rotating cylinder, a hinge, a sealing cover, an inner connecting tube, a base plate and a limiting assembly. The outer wall of the inner connecting tube is threadedly connected to the inner wall of the outer connecting tube, the upper end of the inner connecting tube is fixedly connected to the bottom surface of the base plate, the upper surface of the base plate is rotatably connected to the lower ends of the rotating cylinder and the sealing cover, the upper ends of the rotating cylinder and the sealing cover are both rotatably connected to the bottom surface of the support plate, the rotating cylinder and the sealing cover are hinged by a hinge, a storage cavity is formed between the sealing cover and the rotating cylinder, the two ends of the limiting assembly are respectively connected to the outer walls of the rotating cylinder and the sealing cover, a number of replacement assemblies, a center rod and an anti-drop sheet are all located in the storage cavity, and the upper end of the sampling assembly is also located in the storage cavity, the upper end of the rotating rod passes through the base plate, and the outer wall of the rotating rod is fixedly connected to the inner wall of the base plate.

[0012] Furthermore, the replacement component includes a replacement support rod and a replacement needle, both of which are located in the storage cavity, the upper end of the replacement support rod is connected to the center rod, the top rod, the rotating cylinder and the sealing cover, the lower end of the replacement support rod is fixedly connected to the upper end of the replacement needle, and a replacement port is opened on the side wall of the lower end of the replacement needle.

[0013] Furthermore, the sampling components include a sampling needle and a sampling support rod. The upper end of the sampling support rod is located in the storage cavity, the upper end of the sampling support rod is connected to the lower end of the push rod, the outer wall of the sampling support rod is slidably connected to the inner wall of the inner connecting tube, the lower end of the sampling support rod is fixedly connected to the upper end of the sampling needle, the lower end of the sampling needle passes through the sleeve to the bottom of the sleeve, and the outer wall of the sampling needle is slidably connected to the inner wall of the sleeve, and the side wall of the lower end of the sampling needle is provided with a sampling port.

[0014] Furthermore, a turning opening is provided on one side of the upper end of the sampling support rod and the replacement support rod, a lower arc opening is provided on the upper surface of the two turning openings, a hanging opening is provided on one side of the lower end of the top rod, an upper arc opening is provided on the bottom surface of the hanging opening, the side wall of the upper arc opening is slidably connected to the side wall of the turning opening, and the side wall of the hanging opening is slidably connected to the side wall of the lower arc opening.

[0015] Furthermore, a plurality of slide grooves are provided on the side wall of the center rod, and a slider is fixedly connected to one side of the upper end of the sampling support rod and a plurality of replacement support rods, and the outer walls of the plurality of sliders are respectively slidably connected to the inner walls of the plurality of slide grooves, and the outer walls of the sampling support rod and the plurality of replacement support rods away from the slider are abutted against the inner walls of the rotating drum and the sealing cover.

[0016] Furthermore, the limiting assembly includes a U-shaped rod, a limiting plate and a plurality of clamping rods. The side wall of the limiting plate is fixedly connected to one side of the outer wall of the rotating drum. A plurality of limiting openings are opened on one side of the limiting plate. Both ends of the U-shaped rod are fixedly connected to the outer wall of the sealing cover. The other end of the U-shaped rod is fixedly connected to one end of the plurality of clamping rods. The outer walls of the other ends of the plurality of clamping rods are respectively clamped to the inner walls of the plurality of limiting openings.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. This pathological specimen sampler for pathological diagnosis maintains the connectivity between the sleeve, the extrusion assembly and the sample body by arranging a support assembly between the sample body and the sleeve; secondly, it can also provide a support and storage effect for the rotating assembly, the sampling assembly and the replacement assembly, so that the rotating assembly, the sampling assembly and the replacement assembly can rotate along a specific trajectory without falling off.

[0019] 2. This type of pathological specimen sampler for pathological diagnosis, by setting a rotating component between the sampling body and the sleeve, can be used for repeated sampling. The sampling component and the replacement component are both located inside the rotating component, so dust-free and sterile replacement can be achieved. Furthermore, when the replacement component is inserted into the patient's sampling site for sampling, the patient will not be caused secondary injury due to external infection.

[0020] 3. This pathological specimen sampler for pathological diagnosis, by arranging a sampling component and a replacement component inside the rotating component, can directly replace the components inside the rotating component after sampling. After repeated sampling, multiple specimens can be taken out at one time, which is more convenient and easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall appearance of the present invention;

[0022] Figure 2 This is a schematic diagram of the overall appearance of the present invention from another viewing angle;

[0023] Figure 3 For the present invention Figure 2 The enlarged schematic diagram of point A in the middle;

[0024] Figure 4 This is a schematic diagram of the overall appearance of the sealing cover of the present invention after it is opened;

[0025] Figure 5 For the present invention Figure 4 Exploded diagram of each component in the diagram;

[0026] Figure 6 For the present invention Figure 5 The enlarged schematic diagram of point B in the middle;

[0027] Figure 7 For the present invention Figure 5 The enlarged schematic diagram of the center C;

[0028] Figure 8 It is a detailed connection diagram of the rotating assembly, the replacement assembly and the supporting assembly of the present invention;

[0029] Fig. 9 For the present invention Figure 8 The enlarged schematic diagram of point D in the middle;

[0030] Fig.10 For the present invention Figure 8 The enlarged schematic diagram of point E in the middle;

[0031] Fig.11 It is a detailed connection diagram of the various components of the sampling assembly of the present invention.

[0032] In the figure: 1. sampling body; 2. connecting seat; 3. limiting block; 4. sleeve; 5. sampling needle; 6. rotating drum; 7. hinge; 8. sealing cover; 9. sampling port; 10. U-shaped rod; 11. limiting plate; 12. limiting port; 13. replacement support rod; 14. rotating port; 15. storage chamber; 16. replacement needle; 17. rotating rod; 18. inner connecting tube; 19. push rod; 20. supporting plate; 21. hanging port; 22. supporting block; 23. center rod; 24. slide groove; 25. slider; 26. lower arc port; 27. upper arc port; 28. outer connecting tube; 29. ​​clamping rod; 30. anti-drop sheet; 31. sampling support rod; 32. replacement port; 33. bottom plate. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0034] See also Figure 1-Figure 11 A pathological specimen sampler for pathological diagnosis comprises a sampling body 1 and a connecting seat 2 installed at the lower end of the sampling body 1, the lower end of the connecting seat 2 is connected to an extrusion component, the lower end of the extrusion component is connected to a support component, the outer sleeve of the support component is provided with a rotating component, and a plurality of replacement components are arranged between the support component and the rotating component, the lower end of the support component is connected to an external connecting tube 28, the lower end of the external connecting tube 28 is fixedly connected to a sleeve 4, the internal parts of the external connecting tube 28 and the sleeve 4 are connected to a sampling component, and the upper end of the sampling component is located inside the rotating component.

[0035] The pathological specimen sampler for pathological diagnosis in the present invention is similar in structure to the existing pathological specimen sampler, such as a puncture biopsy needle disclosed in the patent with the announcement number CN221730798U. Figures 1 to 11 As shown, the pathological specimen sampler for pathological diagnosis in the present invention can be used according to the following steps:

[0036] 1. First, disinfect the above-mentioned components required for sampling to avoid harm to the patient when sampling is performed later.

[0037] 2. After disinfection, the upper end of the external connection tube 28 is connected and fixed to the lower end of the support assembly, so that a straight line is formed between the sleeve 4 and the support assembly and the extrusion assembly above the rotating assembly.

[0038] 3. Then unfold the rotating assembly from one side, and install the sampling assembly and several replacement assemblies between the rotating assembly and the supporting assembly respectively.

[0039] 4. When the sampling assembly and the replacement assembly are installed inside the rotating assembly, the upper end of the sampling assembly is aligned with the lower end of the extrusion assembly. Because the extrusion assembly and the sleeve 4 are in a straight line, the lower end of the sampling assembly is also aligned with the external connecting tube 28 and the sleeve 4.

[0040] 5. Then, the rotating assembly is closed, and the sampling body 1 and the connecting seat 2 are pressed downward, so that the squeezing assembly pushes the sampling assembly into the external connecting tube 28 and the sleeve 4.

[0041] 6. After that, the lower end of the sampling assembly and the sleeve 4 can be inserted into the patient's sampling site according to the normal puncture steps, and then the specimen can be taken out from the patient's sampling site through the sampling assembly.

[0042] 7. After the sampling assembly takes out the specimen, the sampling body 1 and the connecting seat 2 are pulled back. During the process of pulling back the connecting seat 2, the sampling body 1 and the taken out specimen are retracted into the rotating assembly.

[0043] 8. The medical staff then uses one hand to keep the sleeve 4, the squeezing assembly and the sampling object 1 still, and then uses the other hand to move the rotating assembly to one side to replace one of the replacement assemblies with the sampling assembly.

[0044] 9. Then, the sampling can be repeated according to the above steps six and seven, thereby achieving the purpose of multiple sampling without taking out the sampling component.

[0045] Special mention should be made here:

[0046] The sampling component has the same structure as the replacement component. It is divided into two parts here just for the convenience of description and understanding.

[0047] As a preferred embodiment of the present invention, the extrusion assembly includes a push rod 19, a limit block 3 and an anti-slip sheet 30. The upper end of the push rod 19 is fixedly connected to the lower end of the connecting seat 2. The anti-slip sheet 30 is sleeved on and fixedly connected to the outer wall of the lower end of the push rod 19. The inner wall of the limit block 3 is slidably connected to the outer wall of the upper end of the push rod 19. The anti-slip sheet 30 is located inside the rotating assembly.

[0048] More specifically, when sampling is required, the sampling body 1 only needs to be pressed downwards. During the downward pressing of the sampling body 1, the push rod 19 will be pushed downwards. As the push rod 19 continues to move downwards, the limit block 3 and the anti-drop sheet 30 will move downwards together. When the limit block 3 moves to abut against the supporting assembly, the sampling body 1 and the push rod 19 can no longer descend. At the same time, the lower end of the push rod 19 will push the sampling assembly from the inside of the rotating assembly into the sleeve 4. At this time, the sampling assembly and the sleeve 4 can be punctured together to the patient's sampling site, and then The limit block 3 is pulled out from the push rod 19, and the sampling body 1 can be slid down again for a distance (the thickness of the limit block 3). At this time, the push rod 19 pushes the sampling assembly to continue to be inserted for a distance, so that the sampling assembly can protrude from the sleeve 4 for a distance, and a certain degree of specimen can be taken from the patient's sampling site; then, the sleeve 4 is kept in the patient's body, and the push rod 19 and the sampling assembly are pulled up into the rotating assembly, and then the replacement assembly and the sampling assembly are swapped through the rotating assembly, and then the above steps are repeated to continue sampling.

[0049] As a preferred embodiment of the present invention, the support assembly includes a support plate 20, a center rod 23, a rotating rod 17 and a support block 22. One end of the support block 22 is sleeved and fixedly connected to the outer wall of the upper end of the external connecting tube 28, and the other end of the support block 22 is sleeved and fixedly connected to the outer wall of the lower end of the rotating rod 17. The upper end of the rotating rod 17 passes through the rotating assembly and the center rod 23 to the top of the rotating assembly and the center rod 23, and is fixedly connected to the lower end of the support plate 20. The outer wall of the rotating rod 17 is rotatably connected to the penetration point of the rotating assembly and the center rod 23. The support plate 20 is sleeved and slidably connected to the outer wall of the top rod 19. The anti-slip sheet 30 is located below the support plate 20, and the upper surface of the anti-slip sheet 30 is against the bottom surface of the support plate 20. The support assembly is connected to the center rod 23.

[0050] More specifically, the main purpose of the support assembly is to maintain the connectivity between the sleeve 4 and the extrusion assembly and the sampling body 1; secondly, it can also provide a support and storage effect for the rotating assembly, sampling assembly and replacement assembly, so that the rotating assembly, sampling assembly and replacement assembly can rotate along a specific trajectory without falling off.

[0051] Specifically, during installation, due to the action of the support block 22, the rotating rod 17 will provide support for the center rod 23 and the support plate 20, so that the rotating assembly can rotate with the rotating rod 17 as the center axis. At the same time, the center rod 23 can also provide support for several replacement assemblies, so that the replacement assemblies will not shake when they are located inside the rotating assembly.

[0052] It should be particularly noted here that a sealing ring is provided at the connection between the push rod 19 and the support plate 20 .

[0053] As a preferred embodiment of the present invention, the rotating assembly includes a rotating drum 6, a hinge 7, a sealing cover 8, an inner connecting tube 18, a bottom plate 33 and a limiting assembly. The outer wall of the inner connecting tube 18 is threadedly connected to the inner wall of the outer connecting tube 28, the upper end of the inner connecting tube 18 is fixedly connected to the bottom surface of the bottom plate 33, the upper surface of the bottom plate 33 is rotatably connected to the lower ends of the rotating drum 6 and the sealing cover 8, the upper ends of the rotating drum 6 and the sealing cover 8 are both rotatably connected to the bottom surface of the support plate 20, the rotating drum 6 and the sealing cover 8 are hinged by the hinge 7, a storage chamber 15 is formed between the sealing cover 8 and the rotating drum 6, the two ends of the limiting assembly are respectively connected to the outer walls of the rotating drum 6 and the sealing cover 8, a number of replacement assemblies, the center rod 23 and the anti-drop sheet 30 are all located in the storage chamber 15, and the upper end of the sampling assembly is also located in the storage chamber 15, the upper end of the rotating rod 17 passes through the bottom plate 33, and the outer wall of the rotating rod 17 is fixedly connected to the inner wall of the bottom plate 33.

[0054] More specifically, when preparing before sampling, it is only necessary to first open the limiting assembly between the sealing cover 8 and the drum 6, and then hinge the sealing cover 8 to one side with the hinge 7 to open the drum 6. At this time, the sampling assembly and the replacement assembly can be placed in the internal storage cavity 15 of the drum 6 in sequence, until all the sampling assemblies and replacement assemblies are fully installed, and then the sealing cover 8 and the drum 6 can be locked and limited by the limiting assembly.

[0055] On the contrary, when the sampling is completed, just follow the above steps, remove the limit assembly, take out the sampling assembly and the replacement assembly in the storage cavity 15 from the opening of the sealing cover 8, and then perform subsequent processing on the collected specimens.

[0056] It should be particularly noted here that a number of matching and aligned scale lines (or digital labels) and pointers are provided between the drum 6, the sealing cover 8, the bottom plate 33 and the support plate 20, so that when the drum 6 and the sealing cover 8 are rotated, it can be more quickly and conveniently confirmed that the sampling component and the replacement component have been swapped, and that the replacement component after the swap is exactly located between the extrusion component and the sleeve 4.

[0057] As a preferred embodiment of the present invention, the replacement assembly includes a replacement support rod 13 and a replacement needle 16, both of which are located in the storage chamber 15, the upper end of the replacement support rod 13 is connected to the center rod 23, the top rod 19, the rotating drum 6 and the sealing cover 8, the lower end of the replacement support rod 13 is fixedly connected to the upper end of the replacement needle 16, and the side wall of the lower end of the replacement needle 16 is provided with a replacement port 32.

[0058] More specifically, during installation, the replacement needle 16 is installed downward and the replacement support rod 13 is installed upward in the storage chamber 15 of the drum 6. Then, when the drum 6 is rotated, the replacement support rod 13 and the replacement needle 16 are rotated through the friction force of the rotation drum 6 and the sealing cover 8 and the replacement support rod 13, until the replacement support rod 13 and the replacement needle 16 are located between the top rod 19 and the sleeve 4 and stop; then, when the replacement needle 16 moves downward, sampling can be carried out from the patient's sampling site through the replacement port 32.

[0059] As a preferred embodiment of the present invention, the sampling components include a sampling needle 5 and a sampling support rod 31. The upper end of the sampling support rod 31 is located in the storage cavity 15, the upper end of the sampling support rod 31 is connected to the lower end of the push rod 19, the outer wall of the sampling support rod 31 is slidably connected to the inner wall of the inner connecting tube 18, the lower end of the sampling support rod 31 is fixedly connected to the upper end of the sampling needle 5, the lower end of the sampling needle 5 passes through the sleeve 4 to the bottom of the sleeve 4, and the outer wall of the sampling needle 5 is slidably connected to the inner wall of the sleeve 4, and the side wall of the lower end of the sampling needle 5 is provided with a sampling port 9.

[0060] More specifically, the structure, installation and use of the sampling assembly are the same as those of the replacement assembly. Specifically, the sampling needle 5 is the same as the replacement needle 16, the sampling support rod 31 is the same as the replacement support rod 13, and the sampling port 9 is the same as the replacement port 32, so they are not described in detail here.

[0061] As a preferred embodiment of the present invention, a turning opening 14 is provided on one side of the upper end of the sampling support rod 31 and the replacement support rod 13, and a lower arc opening 26 is provided on the upper surface of the two turning openings 14. A hanging opening 21 is provided on one side of the lower end of the top rod 19, and an upper arc opening 27 is provided on the bottom surface of the hanging opening 21. The side wall of the upper arc opening 27 is slidably connected to the side wall of the turning opening 14, and the side wall of the hanging opening 21 is slidably connected to the side wall of the lower arc opening 26.

[0062] More specifically, by providing a turning opening 14 and a lower arc opening 26 on the sampling support rod 31 and the replacement support rod 13, and providing a hanging opening 21 and an upper arc opening 27 at the lower end of the top rod 19, during installation, the turning opening 14 and the lower arc opening 26 are matched and aligned with the hanging opening 21 and the upper arc opening 27, so that the sampling support rod 31 and the replacement support rod 13 can be pushed down together during the descending process of the top rod 19, and because they are both arc-shaped, when the rotating drum 6 is rotated, the hanging opening 21 and the upper arc opening 27 will not affect the normal rotation of the turning opening 14 and the lower arc opening 26.

[0063] As a preferred embodiment of the present invention, a plurality of slide grooves 24 are provided on the side wall of the center rod 23, and a slider 25 is fixedly connected to one side of the upper end of the sampling support rod 31 and the plurality of replacement support rods 13, and the outer walls of the plurality of sliders 25 are respectively slidably connected to the inner walls of the plurality of slide grooves 24, and the outer walls of the sampling support rod 31 and the plurality of replacement support rods 13 away from the slider 25 are abutted against the inner walls of the rotating drum 6 and the sealing cover 8.

[0064] More specifically, by providing the slide groove 24 and the slider 25, firstly, a support can be provided for the sampling support rod 31 and the replacement support rod 13, so that the sampling support rod 31 and the replacement support rod 13 will not be tilted; secondly, after the rotating drum 6 and the sealing cover 8 are limited by the limiting assembly, the sampling support rod 31 and the replacement support rod 13 can be tightly clamped between the center rod 23 and the rotating drum 6 and the sealing cover 8, and then when the rotating drum 6 and the sealing cover 8 are rotated from the outside, the sampling support rod 31 and the replacement support rod 13 and the center rod 23 can be rotated together.

[0065] As a preferred solution of the present invention, the limiting assembly includes a U-shaped rod 10, a limiting plate 11 and a plurality of clamping rods 29, the side wall of the limiting plate 11 is fixedly connected to one side of the outer wall of the rotating drum 6, a plurality of limiting openings 12 are opened on one side of the limiting plate 11, both ends of the U-shaped rod 10 are fixedly connected to the outer wall of the sealing cover 8, the other end of the U-shaped rod 10 is fixedly connected to one end of the plurality of clamping rods 29, and the outer walls of the other ends of the plurality of clamping rods 29 are respectively clamped with the inner walls of the plurality of limiting openings 12.

[0066] More specifically, when it is necessary to open the opening of the sealing cover 8 and the rotating drum 6, it is only necessary to manually pull the U-shaped rod 10 to one side so that the multiple clamping rods 29 at one end of the U-shaped rod 10 are pulled out from the multiple limiting openings 12 of the limiting plate 11, thereby completing the separation between the sealing cover 8 and the rotating drum 6; conversely, it is only necessary to clamp the multiple clamping rods 29 in the limiting openings 12 to complete the limiting between the two.

[0067] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pathological specimen sampler for pathological diagnosis, comprising a sample body (1) and a connection seat (2) mounted at the lower end of the sample body (1), characterized in that: The lower end of the connecting seat (2) is connected to an extrusion assembly, the lower end of the extrusion assembly is connected to a support assembly, the outer sleeve of the support assembly is provided with a rotating assembly, a plurality of replacement assemblies are arranged between the support assembly and the rotating assembly, the lower end of the support assembly is connected to an external connection pipe (28), the lower end of the external connection pipe (28) is fixedly connected to a sleeve (4), the interior of the external connection pipe (28) and the sleeve (4) is connected to a sampling assembly, and the upper end of the sampling assembly is located inside the rotating assembly.

2. A pathological specimen sampler for pathological diagnosis according to claim 1, characterized in that: The extrusion assembly comprises a push rod (19), a limit block (3) and an anti-slip sheet (30); the upper end of the push rod (19) is fixedly connected to the lower end of the connecting seat (2); the anti-slip sheet (30) is sleeved on and fixedly connected to the outer wall of the lower end of the push rod (19); the inner wall of the limit block (3) is slidably connected to the outer wall of the upper end of the push rod (19); and the anti-slip sheet (30) is located inside the rotating assembly.

3. A pathological specimen sampler for pathological diagnosis according to claim 2, characterized in that: The support assembly comprises a support plate (20), a center rod (23), a rotating rod (17) and a support block (22); one end of the support block (22) is sleeved and fixedly connected to the outer wall of the upper end of the external connecting tube (28); the other end of the support block (22) is sleeved and fixedly connected to the outer wall of the lower end of the rotating rod (17); the upper end of the rotating rod (17) passes through the rotating assembly and the center rod (23) to the top of the rotating assembly and the center rod (23), and is fixedly connected to the lower end of the support plate (20); the outer wall of the rotating rod (17) is rotatably connected to the penetration point of the rotating assembly and the center rod (23); the support plate (20) is sleeved and slidably connected to the outer wall of the top rod (19); the anti-slip sheet (30) is located below the support plate (20), and the upper surface of the anti-slip sheet (30) is against the bottom surface of the support plate (20); the support assembly is connected to the center rod (23).

4. A pathological specimen sampler for pathological diagnosis according to claim 3, characterized in that: The rotating assembly comprises a rotating drum (6), a hinge (7), a sealing cover (8), an inner connecting pipe (18), a bottom plate (33) and a limiting assembly. The outer wall of the inner connecting pipe (18) is threadedly connected to the inner wall of the outer connecting pipe (28). The upper end of the inner connecting pipe (18) is fixedly connected to the bottom surface of the bottom plate (33). The upper surface of the bottom plate (33) is rotatably connected to the lower ends of the rotating drum (6) and the sealing cover (8). The upper ends of the rotating drum (6) and the sealing cover (8) are both rotatably connected to the bottom surface of the support plate (20). The rotating drum (6) The sealing cover (8) is hingedly connected to the sealing cover (8) by a hinge (7), a storage cavity (15) is formed between the sealing cover (8) and the rotating cylinder (6), two ends of the limiting assembly are respectively connected to the outer walls of the rotating cylinder (6) and the sealing cover (8), a plurality of replacement assemblies, a center rod (23) and an anti-drop sheet (30) are all located in the storage cavity (15), and the upper end of the sampling assembly is also located in the storage cavity (15), the upper end of the rotating rod (17) passes through the bottom plate (33), and the outer wall of the rotating rod (17) is fixedly connected to the inner wall of the bottom plate (33).

5. A pathological specimen sampler for pathological diagnosis according to claim 4, characterized in that: The replacement assembly comprises a replacement support rod (13) and a replacement needle (16); the replacement support rod (13) and the replacement needle (16) are both located in the storage chamber (15); the upper end of the replacement support rod (13) is connected to the center rod (23), the top rod (19), the rotating cylinder (6) and the sealing cover (8); the lower end of the replacement support rod (13) is fixedly connected to the upper end of the replacement needle (16); and a replacement port (32) is provided on the side wall of the lower end of the replacement needle (16).

6. A pathological specimen sampler for pathological diagnosis according to claim 5, characterized in that: The sampling components all comprise a sampling needle (5) and a sampling support rod (31); the upper end of the sampling support rod (31) is located in the storage cavity (15); the upper end of the sampling support rod (31) is connected to the lower end of the push rod (19); the outer wall of the sampling support rod (31) is slidably connected to the inner wall of the inner connecting tube (18); the lower end of the sampling support rod (31) is fixedly connected to the upper end of the sampling needle (5); the lower end of the sampling needle (5) passes through the sleeve (4) to the bottom of the sleeve (4); the outer wall of the sampling needle (5) is slidably connected to the inner wall of the sleeve (4); and the side wall of the lower end of the sampling needle (5) is provided with a sampling port (9).

7. A pathological specimen sampler for pathological diagnosis according to claim 6, characterized in that: A rotating opening (14) is provided on one side of the upper end of the sampling support rod (31) and the replacement support rod (13), and a lower arc opening (26) is provided on the upper surface of the two rotating openings (14). A hanging opening (21) is provided on one side of the lower end of the top rod (19), and an upper arc opening (27) is provided on the bottom surface of the hanging opening (21). The side wall of the upper arc opening (27) is slidably connected to the side wall of the rotating opening (14), and the side wall of the hanging opening (21) is slidably connected to the side wall of the lower arc opening (26).

8. A pathological specimen sampler for pathological diagnosis according to claim 6, characterized in that: The side wall of the central rod (23) is provided with a plurality of slide grooves (24); one side of the upper ends of the sampling support rod (31) and the plurality of replacement support rods (13) is fixedly connected with a slider (25); the outer walls of the plurality of sliders (25) are respectively slidably connected with the inner walls of the plurality of slide grooves (24); the outer walls of the sampling support rod (31) and the plurality of replacement support rods (13) away from the slider (25) are in contact with the inner walls of the rotating drum (6) and the sealing cover (8).

9. A pathological specimen sampler for pathological diagnosis according to claim 4, characterized in that: The limiting assembly comprises a U-shaped rod (10), a limiting plate (11) and a plurality of clamping rods (29); the side wall of the limiting plate (11) is fixedly connected to one side of the outer wall of the rotating drum (6); a plurality of limiting openings (12) are provided on one side of the limiting plate (11); both ends of the U-shaped rod (10) are fixedly connected to the outer wall of the sealing cover (8); the other end of the U-shaped rod (10) is fixedly connected to one end of the plurality of clamping rods (29); and the outer walls of the other ends of the plurality of clamping rods (29) are respectively clamped to the inner walls of the plurality of limiting openings (12).

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