Molecular diagnosis sample collector
By designing a molecular diagnostic sample collector, using the sampling head and spring block structure of silicone material, the problem of existing medical cotton swabs being difficult to separate and absorb proteins after sample collection is solved, and efficient separation and accurate detection of samples are achieved .
Patent Information
- Application Number
- CN202421038751.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-14
- Publication Date
- 2025-02-11
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Existing medical cotton swabs are not easy to separate after sample collection and easily absorb protein components, affecting the accuracy of the detection results.
A molecular diagnostic sample collector was designed, using a sample head made of silicone material, combined with the structure of the sampling rod and the connecting rod, and through the cooperation of springs and blocks, the sampling head and the sampling rod are quickly disassembled and assembled, which is convenient for sample separation and detection. .
It realizes easy separation and difficulty in absorbing the samples, improves the accuracy of the detection results, and the sampling rod can be reused, meeting the needs of biosafety and efficient detection.
Smart Images

Figure CN222455026U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of sample collectors, in particular to a molecular diagnosis sample collector. Background Art
[0002] Molecular diagnosis is a technology that uses molecular biological methods to detect changes in the structure or expression level of genetic material in the patient's body to make a diagnosis. Molecular diagnosis is the main method of predictive diagnosis. It can be used to diagnose individual genetic diseases and prenatal diagnosis. The materials for molecular diagnosis include DNA, RNA and protein. Reasonable specimen collection is crucial to ensure the integrity of the specimen and the accuracy of qualitative and quantitative detection of nucleic acids. Specimens should be collected in strict accordance with appropriate biosafety guidelines. Improper specimen handling will lead to nucleic acid degradation and produce erroneous patient test results.
[0003] At present, when collecting samples, most of them use medical cotton swabs. After collecting the sample, the cotton swab head with the sample needs to be cut off, and then the cotton swab head is placed in a centrifugal device to separate the sample, which is inconvenient to use;
[0004] At the same time, when using medical cotton swabs to collect samples, it is easy to absorb protein components, etc., and it is not convenient to separate the samples, which affects the accuracy of the test results. Utility Model Content
[0005] The utility model aims to provide a molecular diagnosis sample collector, which has the advantages of easy separation and difficult absorption of collected sample liquid, so as to make the detection result more accurate.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a molecular diagnostic sample collector, comprising a sampler body, the sampler body comprising a sampling rod, a connecting rod, a sampling head arranged at one end of the connecting rod, and a rectangular bar; the other end of the connecting rod is attached to one end of the sampling rod, a rectangular hole with an open end is arranged in the sampling rod, one end of the rectangular bar extends into the rectangular hole of the sampling rod, a pressing block is arranged on the outer wall of the sampling rod, a through hole connected to the rectangular hole is arranged on the outer wall of the sampling rod, one end of the pressing block passes through the through hole and is arranged on the rectangular bar, a spring is arranged on the side of the rectangular bar away from the pressing block, one end of the spring is arranged in the rectangular hole, an insertion hole is arranged at the other end of the connecting rod, the end of the rectangular bar extending outside the rectangular hole is located in the insertion hole, a clamping hole is arranged inside the insertion hole, and a clamping block adapted to the clamping hole is arranged on the rectangular bar.
[0007] In order to prevent the connecting rod from swinging, as a preferred molecular diagnostic sample collector of the present invention, a limiting sleeve is provided at one end of the sampling rod close to the connecting rod, and the connecting rod is sleeved in the limiting sleeve.
[0008] In order to prevent the collection head from absorbing components such as protein, a molecular diagnostic sample collector of the utility model is preferably configured such that the collection head is made of silica gel and is provided with ridges.
[0009] In order to operate the collector safely, as a preferred molecular diagnostic sample collector of the present invention, the sampling rod is provided with a scale.
[0010] In order to extend the length of the sampling rod, as a preferred molecular diagnostic sample collector of the present invention, one end of the sampling rod away from the connecting rod is threadedly connected with a sleeve rod.
[0011] In order to reuse the sampling rod, as a molecular diagnostic sample collector of the utility model, the sampling rod, rectangular bar, card block and sleeve rod are preferably made of pure titanium, titanium alloy, stainless steel or carbon steel.
[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0013] The utility model has a rectangular hole with an open end in the sampling rod, a rectangular bar is arranged in the rectangular hole through a spring, and a plug hole for accommodating the end head protruding from the outside of the rectangular hole is arranged at the other end of the connecting rod; when sampling, the pressing block is pressed to insert the protruding end of the rectangular bar into the plug hole, and the connecting rod is made to stick to the sampling rod, and the pressing block is released, the spring resets the rectangular bar, the clamping block on the rectangular bar is clamped into the clamping hole, and the connecting rod with the sampling head is installed on the sampling rod, so as to form a complete collector for sampling;
[0014] After sampling is completed, insert the connecting rod with the sampling head into the centrifugal device, and press the pressing block, the rectangular bar drives the card block to move out of the card hole, and the connecting rod can be quickly separated from the sampling rod, which is convenient to use;
[0015] The collection part of the sampling head is made of silicone material, which makes it difficult for the collection head to absorb components such as protein, and is also easy to separate the sample, thereby improving the accuracy of the test results. A convex ridge is set on the sampling head to facilitate the collection of sample liquid on the sampling head. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the structure of the utility model;
[0017] Figure 2 for Figure 1 AA structural diagram;
[0018] Figure 3 for Figure 2 Schematic diagram of the enlarged structure at point a in the middle.
[0019] In the figure: 1. Sampler body; 2. Sampling rod; 3. Connecting rod; 4. Sampling head; 5. Rectangular bar; 6. Rectangular hole; 7. Pressing block; 8. Through hole; 9. Spring; 10. Plug hole; 11. Clamping hole; 12. Clamping block; 13. Limiting sleeve; 14. Raised ridge; 15. Scale; 16. Sleeve rod. DETAILED DESCRIPTION
[0020] See also Figures 1 to 3 A molecular diagnostic sample collector comprises a sampler body 1, the sampler body 1 comprises a sampling rod 2, a connecting rod 3, a sampling head 4 arranged at one end of the connecting rod 3, and a rectangular bar 5; the other end of the connecting rod 3 is attached to one end of the sampling rod 2, a rectangular hole 6 with an open end is arranged in the sampling rod 2, one end of the rectangular bar 5 extends into the rectangular hole 6 of the sampling rod 2, a pressing block 7 is arranged on the outer wall of the sampling rod 2, a through hole 8 connected with the rectangular hole 6 is opened on the outer wall of the sampling rod 2, one end of the pressing block 7 passes through the through hole 8 and is arranged on the rectangular bar 5, a spring 9 is arranged on the side of the rectangular bar 5 away from the pressing block 7, one end of the spring 9 is arranged in the rectangular hole 6, a plug hole 10 is opened at the other end of the connecting rod 3, the end of the rectangular bar 5 extending outside the rectangular hole 6 is located in the plug hole 10, a clamping hole 11 is opened inside the plug hole 10, and a clamping block 12 adapted to the clamping hole 11 is arranged on the rectangular bar 5;
[0021] A limiting sleeve 13 is provided at one end of the sampling rod 2 close to the connecting rod 3 , and the connecting rod 3 is sleeved in the limiting sleeve 13 .
[0022] In this embodiment: the sampling head 4 is arranged at one end of the connecting rod 3 to form a separate body, a rectangular hole 6 with one end open is provided inside the sampling rod 2, a rectangular bar 5 is provided in the rectangular hole 6 through a spring 9, and a socket 10 for accommodating the end of the protruding rectangular hole 6 is provided at the other end of the connecting rod 3;
[0023] When sampling, press the pressing block 7, insert the protruding end of the rectangular bar 5 into the socket 10, and make the connecting rod 3 and the sampling rod 2 close to each other, release the pressing block 7, the spring 9 resets the rectangular bar 5, the clamping block 12 on the rectangular bar 5 is clamped into the clamping hole 11, the connecting rod 3 with the sampling head 4 is installed on the sampling rod 2, and the limiting sleeve 13 on the sampling rod 2 is sleeved on the connecting rod 3 to form a complete collector. After the sampling is completed, the connecting rod 3 with the sampling head 4 is inserted into the centrifugal device, and the pressing block 7 is pressed, the rectangular bar 5 drives the clamping block 12 to move out of the clamping hole 11, and the connecting rod 3 can be quickly separated from the sampling rod 2, which is convenient to use.
[0024] As a technical optimization solution of the present utility model, the sampling head 4 is made of silicone material, and a convex ridge 14 is provided on the sampling head 4 .
[0025] In this embodiment: the collection part of the sampling head 4 is made of silica gel, so that the collection head is not easy to absorb components such as protein, and it is also easy to separate the sample, thereby improving the accuracy of the test result. A ridge 14 is provided on the sampling head 4 to facilitate the collection of sample liquid at the sampling head 4.
[0026] As a technical optimization solution of the present invention, a scale 15 is provided on the sampling rod 2 .
[0027] In this embodiment: the scale 15 is used as a reference, and the collector can be operated safely.
[0028] As a technical optimization solution of the present invention, one end of the sampling rod 2 away from the connecting rod 3 is threadedly connected with a sleeve rod 16 .
[0029] In this embodiment, the sleeve rod 16 is rotated to extend the overall length of the sampling rod 2, making it easier for the sampling head 4 to contact the patient's tissue for sampling.
[0030] As a technical optimization solution of the utility model, the sampling rod 2, the rectangular bar 5, the clamping block 12 and the sleeve rod 16 are made of pure titanium, titanium alloy, stainless steel or carbon steel.
[0031] In this embodiment: pressing the pressing block 7 allows the sampling rod 2 and the connecting rod 3 to be disassembled and assembled. The sampling rod 2, the rectangular bar 5, the clamping block 12 and the sleeve rod 16 are made of pure titanium, titanium alloy, stainless steel or carbon steel. The sampling rod 2 can be reused after being disinfected and sterilized.
[0032] Working principle: first press the pressing block 7, insert the protruding end of the rectangular bar 5 into the jack 10, and make the connecting rod 3 and the sampling rod 2 close to each other, then release the pressing block 7, the spring 9 resets the rectangular bar 5, the clamping block 12 on the rectangular bar 5 is clamped into the clamping hole 11, the connecting rod 3 with the sampling head 4 is installed on the sampling rod 2, and the limiting sleeve 13 on the sampling rod 2 is sleeved on the connecting rod 3 to form a complete collector. After the sampling is completed, the connecting rod 3 with the sampling head 4 is inserted into the centrifugal device, and the pressing block 7 is pressed, the rectangular bar 5 drives the clamping block 12 to move out of the clamping hole 11, and the connecting rod 3 can be quickly separated from the sampling rod 2, which is convenient to use; the collecting part of the sampling head 4 is made of silica gel, which makes it difficult for the collecting head to absorb components such as protein, and is also easy to separate the sample, thereby improving the accuracy of the test results. A convex ridge 14 is provided on the sampling head 4, which is easy to collect the sample liquid at the sampling head 4.
[0033] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A molecular diagnostic sample collector, comprising a sample collector body (1), characterized in that: The sampler body (1) comprises a sampling rod (2), a connecting rod (3), a sampling head (4) arranged at one end of the connecting rod (3), and a rectangular bar (5); the other end of the connecting rod (3) is in contact with one end of the sampling rod (2); a rectangular hole (6) with one end open is arranged in the sampling rod (2); one end of the rectangular bar (5) extends into the rectangular hole (6) of the sampling rod (2); a pressing block (7) is arranged on the outer wall of the sampling rod (2); and a through hole (8) communicating with the rectangular hole (6) is opened on the outer wall of the sampling rod (2). One end of the pressing block (7) passes through the through hole (8) and is arranged on the rectangular strip (5); a spring (9) is arranged on the side of the rectangular strip (5) away from the pressing block (7); one end of the spring (9) is arranged in the rectangular hole (6); the other end of the connecting rod (3) is provided with an insertion hole (10); the end of the rectangular strip (5) extending outside the rectangular hole (6) is located in the insertion hole (10); a clamping hole (11) is provided inside the insertion hole (10); and a clamping block (12) adapted to the clamping hole (11) is arranged on the rectangular strip (5).
2. A molecular diagnostic sample collector according to claim 1, characterized in that: A limiting sleeve (13) is provided at one end of the sampling rod (2) close to the connecting rod (3), and the connecting rod (3) is sleeved in the limiting sleeve (13).
3. A molecular diagnostic sample collector according to claim 1, characterized in that: The sampling head (4) is made of silica gel, and a convex ridge (14) is provided on the sampling head (4).
4. A molecular diagnostic sample collector according to claim 1, characterized in that: The sampling rod (2) is provided with a scale (15).
5. A molecular diagnostic sample collector according to claim 1, characterized in that: One end of the sampling rod (2) away from the connecting rod (3) is threadedly connected to a sleeve rod (16).
6. A molecular diagnostic sample collector according to claim 1, characterized in that: The sampling rod (2), the rectangular bar (5), the clamping block (12) and the sleeve rod (16) are made of pure titanium, titanium alloy, stainless steel or carbon steel.