Sampling device and sample collector
The telescopic sampling device with an adjustable and protective design addresses the limitations of existing HPV sampling devices by increasing range and reducing breakage, ensuring efficient and contamination-free collection.
Patent Information
- Application Number
- CN202420587466.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-25
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-03-25
AI Technical Summary
Existing sampling devices for indicators like human papillomavirus (HPV) face issues with insufficient sampling length, high breakage rates, and contamination risks, limiting their application in large-scale testing.
A sampling device with a telescopic sampling unit, adjustable via an external force, and a protective accommodating unit, allowing independent adjustment of the sampling head position and ensuring structural integrity during sampling and transportation.
Enhances sampling range, reduces breakage risk, and maintains device integrity, facilitating efficient and contamination-free sampling and storage for indicators like HPV.
Smart Images
Figure CN222144553U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of detection instruments, in particular to a sampling device and a sample collector. Background Art
[0002] At present, in the field of testing, it is often necessary to sample and test some indicators such as viruses, hormones, drugs or heavy metals. However, some indicators such as human papillomavirus (HPV) are limited by testing conditions, and the sampling and testing processes need to be carried out in professional institutions, which makes it difficult to achieve large-scale application.
[0003] In the prior art, the difficulty of sampling is reduced by separating sampling and testing, and the collected samples are centrally tested, thereby improving the testing efficiency. However, in practice, the sampling length of the sampling swab is insufficient to meet the collection needs of some indicators, and the longer sampling swab is easy to break and has a high loss rate. Utility Model Content
[0004] In view of this, the utility model provides a sampling device and a sample collector to solve the problem that the sampling length is insufficient to meet the collection needs of some indicators, and the longer sampling swab is easy to break and has a high loss rate.
[0005] In a first aspect, the utility model provides a sampling device, comprising: a sampling unit, comprising a shaft, a sampling head is provided at one end of the shaft, and a connecting portion is provided at the other end; an adjusting unit, connected to the connecting portion, the adjusting unit is suitable for driving the sampling unit to telescopically move along the length direction of the shaft under the action of an external force; a accommodating unit, detachably connected to the adjusting unit and wrapped around the outside of the sampling unit, suitable for protecting the sampling unit.
[0006] Beneficial effects:
[0007] An adjusting unit movably connected to the connecting part of the sampling unit is provided. The adjusting unit can adjust the extension and retraction process of the sampling unit through the action of external force. Therefore, during the sampling process, the user can independently adjust the position of the sampling head. Such a setting can not only increase the sampling range, but also provide an operating space for breaking the shaft and removing the sampling head after the sampling is completed. In addition, the setting of the accommodating unit can protect the shaft and the sampling head of the sampling unit, avoid damage to the shaft or contamination of the sampling head before sampling, and ensure the structural integrity of the sampling unit during transportation.
[0008] In an optional embodiment, the adjustment unit includes: an adjustment structure, which is detachably connected to the accommodating unit; a driving structure, which is extended into the adjustment structure and movably connected to the connecting part, and the driving structure is suitable for rotating relative to the adjustment structure under the action of external force; a guide assembly, which is arranged on the adjustment structure and / or the driving structure and is in the same direction as the length direction of the shaft, and when the driving structure rotates relative to the adjustment structure, the connecting part is suitable for telescopic movement along the length direction of the shaft under the action of the guide assembly.
[0009] In an optional embodiment, the guide assembly includes: a first guide member, which is spirally shaped, arranged on the inner wall of the adjustment structure, and extends along the length direction of the rod shaft; a second guide member, which is straight groove-shaped, arranged on the driving structure, in the same direction as the length direction of the rod shaft, and opens toward one end of the sampling head, the second guide member is detachably connected to the connecting part, and the connecting part passes through the second guide member and is movably limited to the first guide member.
[0010] In an optional embodiment, the sampling device also includes: a bayonet, which is arranged on the second guide member and is adjacent to the opening of the second guide member, and / or, the end of the second guide member away from the opening, and the bayonet is arranged along the opening direction of the second guide member, corresponding to the rotation direction of the first guide member at its adjacent position.
[0011] In an optional embodiment, the shaft further includes: an annular groove portion, adjacent to the sampling head, suitable for being disconnected under the action of an external force.
[0012] In an optional embodiment, the accommodating unit includes: an inner tube, one end of which is detachably connected to the adjusting unit, and the other end is provided with a through-port, a part of the rod body is built into the inner tube, and the sampling head has a sampling state extending out of the through-port and a standby state retracted into the inner tube, and in the sampling state the annular groove portion extends out of the through-port.
[0013] In an optional embodiment, the accommodating unit further includes: an outer tube, which is sleeved on the outside of the inner tube and is detachably connected to the inner tube.
[0014] In an optional embodiment, the shaft further includes: a first limiting portion, arranged on the inner side of the inner tube, and on the side of the annular groove portion facing away from the sampling head; and a second limiting portion, arranged on the inner side of the inner tube, and between the first limiting portion and the connecting portion.
[0015] In an optional embodiment, the sampling device is an HPV collector.
[0016] On the other hand, the utility model also provides a sample collector, comprising: the above-mentioned sampling device; a storage container, comprising a storage tube body and a cover body that are detachably sealed and connected, and the storage container is suitable for accommodating the sampling head of the sampling device. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0018] Figure 1 It is a schematic diagram of the front view of the sampling device of the embodiment of the utility model;
[0019] Figure 2 for Figure 1 A schematic diagram of the three-dimensional structure of the sampling device shown;
[0020] Figure 3 for Figure 1 A schematic cross-sectional view of the sampling device;
[0021] Figure 4 for Figure 1 A schematic diagram of the three-dimensional structure of the driving structure of the sampling device;
[0022] Description of reference numerals:
[0023] 1. Sampling unit; 11. Rod body; 12. Sampling head; 13. Connecting part; 131. Columnar body; 132. Guide protrusion; 14. Ring groove; 15. First limiting part; 16. Second limiting part; 2. Adjusting unit; 21. Adjusting structure; 22. Driving structure; 23. First guide member; 24. Second guide member; 25. Bayonet; 3. Accommodating unit; 31. Inner tube; 32. Passing port; 33. Outer tube. DETAILED DESCRIPTION
[0024] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.
[0025] Combine the following Figures 1 to 4 , describing an embodiment of the utility model.
[0026] This embodiment provides a sampling device, specifically, the sampling device is an HPV collector, which is used to collect samples for detecting human papillomavirus. As a convertible implementation, it can also be a collector for sampling other viruses, hormones, drugs or heavy metals. The sampling device includes: a sampling unit 1, an adjustment unit 2 and a containing unit 3.
[0027] The sampling unit 1 is in the shape of a straight rod, including a shaft 11, a sampling head 12 and a connecting portion 13. The sampling head 12 and the connecting portion 13 are disposed at both ends of the shaft 11. The shaft 11 may be made of wood, hard plastic, etc., and may be broken under external force. The sampling head 12 is specifically a swab head. In the most convertible embodiment, the shaft 11 may also include two detachable sections, one section is connected to the connecting portion 13, and the other section is connected to the sampling head 12, and the two sections are connected by snap connection, screw connection, snap connection, etc.
[0028] The adjusting unit 2 is connected to the connecting portion 13, specifically a movable connection. The adjusting unit 2 is suitable for driving the sampling unit 1 to perform telescopic movement along the length direction of the shaft 11 under the action of an external force. The force application method of the external force on the adjusting unit 2 corresponds to the structure of the adjusting unit 2. In the present embodiment, the force is applied by twisting. As a convertible implementation method, it can also be applied by pushing and pulling.
[0029] The containing unit 3 is detachably connected to the regulating unit 2 and is disposed outside the sampling unit 1 , so as to protect the sampling unit 1 .
[0030] An adjusting unit 2 movably connected to the connecting portion 13 of the sampling unit 1 is provided. The adjusting unit 2 can adjust the extension and retraction process of the sampling unit 1 through the action of external force, so that during the sampling process, the user can independently adjust the position of the sampling head 12. This arrangement can not only increase the sampling range, but also provide an operating space for breaking the shaft 11 and removing the sampling head 12 after the sampling is completed. In addition, the arrangement of the accommodating unit 3 can protect the shaft 11 and the sampling head 12 of the sampling unit 1, avoid damage to the shaft 11 or contamination of the sampling head 12 before sampling, and ensure the structural integrity of the sampling unit 1 during transportation.
[0031] The adjusting unit 2 comprises an adjusting structure 21, a driving structure 22 and a guide assembly.
[0032] Among them, the adjustment structure 21 is tubular, and one end is detachably connected to the accommodating unit 3, and the connection method is a pluggable snap-in connection. Specifically, an annular groove is provided on the outer wall of one end of the adjustment structure 21 facing the accommodating unit 3, and an annular protrusion is correspondingly provided on the inner wall of the accommodating unit 3. It can be understood that the adjustment structure 21 can also be provided with an annular protrusion, and an annular groove is also provided on the accommodating unit 3.
[0033] The driving structure 22 is cylindrical and partially extends into the adjusting structure 21. The end thereof facing the accommodating unit 3 is movably connected to the connecting portion 13. Preferably, the driving structure 22 and the connecting portion 13 are detachably connected. The end of the driving structure 22 away from the accommodating unit 3 and exposed outside the adjusting unit 2 is adapted to rotate relative to the adjusting structure 21 in the circumferential direction under the action of an external force. As a convertible embodiment, the driving structure 22 can also move in the length direction of the shaft 11 under the action of an external force.
[0034] The guide assembly is arranged on the adjustment structure 21 and the driving structure 22, and is in the same direction as the length direction of the shaft 11. When the driving structure 22 rotates relative to the adjustment structure 21, the connecting portion 13 is adapted to telescopically move along the length direction of the shaft 11 under the action of the guide assembly. As a convertible fact mode, the guide assembly can be arranged on only one of the adjustment structure 21 and the driving structure 22.
[0035] In this embodiment, the adjusting structure 21 and the driving structure 22 are provided with corresponding annular grooves and annular protrusions that limit each other along the circumferential direction to ensure that the two are limited to each other during relative rotation.
[0036] Furthermore, the guide assembly includes: a first guide member 23 and a second guide member 24 .
[0037] The first guide member 23 is spiral-shaped, specifically an internal thread, and is arranged on the inner wall of the adjustment structure 21 and extends along the length direction of the rod shaft 11; the second guide member 24 is straight-groove-shaped, and is arranged on the driving structure 22, in the same direction as the length direction of the rod shaft 11, and is open at one end toward the sampling head 12. The second guide member 24 is detachably connected to the connecting part 13, and the connecting part 13 passes through the second guide member 24 and is movably limited to the first guide member 23.
[0038] In this embodiment, the connecting portion 13 includes an enlarged columnar body 131 and a guide protrusion 132. The inner diameter of the columnar body 131 is smaller than the inner diameter of the driving structure 22, so that it can be easily extended inside the driving structure 22. The guide protrusion 132 passes through the second guide member 24 and is movably connected to the first guide member 23. Preferably, two or more second guide members 24 can be provided on the driving structure 22, and are provided corresponding to the number of guide protrusions 132.
[0039] The sampling device further comprises a bayonet 25, which is arranged on the second guide member 24. Preferably, two bayonet 25 are arranged, one bayonet 25 is adjacent to the opening of the second guide member 24, and the other bayonet 25 is adjacent to the end of the second guide member 24 away from the opening. As a convertible embodiment, only one of them can be arranged. The opening direction of the bayonet 25 along the second guide member 24 corresponds to the rotation direction of the first guide member 23 at its adjacent position.
[0040] The bayonet 25 adjacent to the opening of the second guide member 24 is provided, and when the connection part 13 is pre-installed on the driving structure 22, the pre-positioning can be achieved through the engagement of the bayonet 25 with the guide protrusion 132, and the connection part 13 is rotated to a limit position close to the stroke limit at the opening position. The bayonet 25 adjacent to the end of the second guide member 24 away from the opening is provided, and the opening direction of the bayonet 25 corresponds to the rotation direction of the first guide member 23 at the adjacent position, so that the bayonet 25 at this position can rotate the connection part 13 to a limit position close to the stroke limit at the end position.
[0041] Preferably, the shaft 11 further comprises an annular groove 14, which is adjacent to the sampling head 12 and is suitable for being disconnected under the action of an external force. By providing the annular groove 14, the outer diameter of the shaft 11 at the corresponding position is reduced, making it easier for the user to disconnect the sampling head 12 at this position after sampling.
[0042] Further, the accommodating unit 3 includes an inner tube 31. One end of the inner tube 31 is detachably connected to the adjusting unit 2. Preferably, an annular outer protrusion can be provided on the outer wall of the end to facilitate the user to apply force or limit the external structure during detection. The other end of the inner tube 31 is provided with a through-hole 32, and part of the shaft 11 is built in the inner tube 31. Preferably, the inner tube 31 is cylindrical, and the end provided with the through-hole 32 is spherical.
[0043] The sampling head 12 has a sampling state and a standby state. In the standby state, the sampling head 12 is retracted inside the inner tube 31. In the sampling state, the sampling head 12 extends through the opening 32. The sampling head 12 in this state can be used for sampling, and the shaft 11 is protected by the inner tube 31. In addition, in the sampling state, the shaft 11 can be further extended under the drive of the adjustment unit 2, so that the annular groove 14 also extends through the opening 32, so that the sampling head 12 can be broken off at the position of the annular groove 14 after the sampling is completed.
[0044] In addition, the accommodating unit 3 also includes an outer tube 33, one end of which is closed and the other end is open and sleeved on the outside of the inner tube 31, and the opening is abutted against the annular outer bulge of the inner tube 31. The outer tube 33 and the inner tube 31 are detachably connected, specifically by snap-fitting or screwing.
[0045] As a convertible embodiment, only one of the outer tube 33 and the inner tube 31 may be provided. When only the outer tube 33 is provided, the open end of the outer tube 33 may be detachably connected to the regulating unit 2 .
[0046] Preferably, the sampling unit 1, the adjusting unit 2 and the containing unit 3 are coaxially arranged. Specifically, the shaft 11, the adjusting structure 21, the driving structure 22, the guide assembly, the inner tube 31 and the outer tube 33 are all coaxially arranged.
[0047] The shaft 11 further includes a first limiting portion 15 and a second limiting portion 16. The first limiting portion 15 and the second limiting portion 16 are both arranged inside the inner tube 31 and both protrude radially along the shaft 11, wherein the first limiting portion 15 is arranged on the side of the annular groove portion 14 facing away from the sampling head 12, and when the annular groove portion 14 extends out of the opening 32 of the inner tube 31, the first limiting portion 15 abuts against the inner wall of the end of the inner tube 31 where the opening 32 is located to limit the position. The second limiting portion 16 is arranged on the inner side of the inner tube 31, and is arranged between the first limiting portion 15 and the connecting portion 13, and when the sampling head 12 is completely retracted into the inner tube 31, or the connecting portion 13 moves to the extreme position away from the opening of the second guide member 24, the second limiting portion 16 abuts against the adjusting unit 2 to limit the position.
[0048] This embodiment also provides a sample collector, including the above-mentioned sampling device and a storage container, the storage container includes a storage tube body and a cover body that are detachably sealed and connected, and specifically can be connected by screwing or snapping, etc. The storage container is suitable for accommodating the sampling head 12 of the sampling device.
[0049] In addition, the preservation tube body contains a sample preservation solution, and the pH value of the sample preservation solution is in the range of 7 to 9. An identifiable carrier can be provided on the outer wall of both the preservation tube body and the outer tube 33 of the sampling device, or on the outer wall of one of the two. The identifiable carrier includes at least one of a sample information label, a barcode label, a warning information label, and a production date label.
[0050] Working process:
[0051] 1. Before sampling, attach a sample information label or a barcode label to the storage tube.
[0052] 2. Take out the sampling device, remove the outer tube 33, and screw the driving structure 22 to make the sampling head 12 extend out of the inner tube 31;
[0053] 3. According to different sampling requirements, use the sampling head 12 to sample at the corresponding position. Before sampling, avoid touching the sampling head 12;
[0054] 4. Continue to drive the structure 22 until it can no longer rotate, so that the annular groove 14 is completely exposed to the outside of the inner tube 31 .
[0055] 5. Open the cover of the storage container, place the sampling head 12 into the storage tube body, break it at the ring groove 14 to make the sampling head 12 fall into the storage tube body, and tighten the cover to complete the sampling.
[0056] 6. Properly place and preserve the sampling containers, and transport them to the testing department for testing as soon as possible.
[0057] Although the embodiments of the present invention are described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations are all within the scope defined by the appended claims.
Claims
1. A sampling device, characterized in that: include: A sampling unit (1) comprises a shaft (11), wherein a sampling head (12) is provided at one end of the shaft (11) and a connecting portion (13) is provided at the other end; An adjusting unit (2) connected to the connecting portion (13), the adjusting unit (2) being adapted to drive the sampling unit (1) to move telescopically along the length direction of the shaft (11) under the action of an external force; The containing unit (3) is detachably connected to the regulating unit (2) and is disposed outside the sampling unit (1), and is suitable for protecting the sampling unit (1).
2. The sampling device according to claim 1, characterized in that: The regulating unit (2) comprises: An adjustment structure (21) detachably connected to the accommodation unit (3); A driving structure (22) is extended into the adjusting structure (21) and is movably connected to the connecting portion (13), wherein the driving structure (22) is adapted to rotate relative to the adjusting structure (21) under the action of an external force; A guide assembly is arranged on the adjusting structure (21) and / or the driving structure (22) and is in the same direction as the length direction of the rod shaft (11); when the driving structure (22) rotates relative to the adjusting structure (21), the connecting portion (13) is suitable for telescopic movement along the length direction of the rod shaft (11) under the action of the guide assembly.
3. The sampling device according to claim 2, characterized in that: The guide assembly comprises: A first guide member (23) is spirally shaped, is disposed on the inner wall of the adjustment structure (21), and extends along the length direction of the rod (11); The second guide member (24) is in the shape of a straight groove, is arranged on the driving structure (22), is in the same direction as the length direction of the rod body (11), and is open at one end toward the sampling head (12). The second guide member (24) is detachably connected to the connecting portion (13), and the connecting portion (13) passes through the second guide member (24) and is movably limited to the first guide member (23).
4. The sampling device according to claim 3, characterized in that: Also includes: The bayonet (25) is arranged on the second guide member (24) and is adjacent to the opening of the second guide member (24) and / or the end of the second guide member (24) away from the opening. The bayonet (25) corresponds to the rotation direction of the first guide member (23) at its adjacent position along the opening direction of the second guide member (24).
5. The sampling device according to any one of claims 1 to 4, characterized in that: The shaft (11) further comprises: The annular groove portion (14) is adjacent to the sampling head (12) and is suitable for being disconnected under the action of an external force.
6. The sampling device according to claim 5, characterized in that: The accommodating unit (3) comprises: An inner tube (31) is detachably connected to the regulating unit (2) at one end and is provided with a through-port (32) at the other end. A portion of the shaft (11) is built into the inner tube (31). The sampling head (12) has a sampling state in which it extends out of the through-port (32) and a standby state in which it is retracted into the inner tube (31). In the sampling state, the annular groove portion (14) extends out of the through-port (32).
7. The sampling device according to claim 6, characterized in that: The accommodating unit (3) further comprises: The outer tube (33) is sleeved on the outer side of the inner tube (31) and is detachably connected to the inner tube (31).
8. The sampling device according to claim 6 or 7, characterized in that: The shaft (11) further comprises: A first limiting portion (15) is arranged on the inner side of the inner tube (31) and on a side of the annular groove (14) facing away from the sampling head (12); The second limiting portion (16) is arranged inside the inner tube (31) and between the first limiting portion (15) and the connecting portion (13).
9. The sampling device according to claim 1, characterized in that: The sampling device is an HPV collector.
10. A sample collector, characterized in that: include: The sampling device according to any one of claims 1 to 9; The storage container comprises a storage tube body and a cover body which are detachably sealed and connected, and the storage container is suitable for accommodating a sampling head (12) of the sampling device.