CN218899512U

CN218899512U - Sampler for sample collection in molecular diagnosis

Info

Publication number: CN218899512U
Application number: CN202221849103.1U
Authority: CN
Inventors: 余珍; 李妍; 冯乐
Original assignee: URUMQI MATERNAL AND CHILD HEALTH HOSPITAL
Current assignee: URUMQI MATERNAL AND CHILD HEALTH HOSPITAL
Priority date: 2022-07-18
Filing date: 2022-07-18
Publication date: 2023-04-25
Anticipated expiration: 2032-07-18

Abstract

The utility model belongs to the technical field of medical instruments, and particularly relates to a sampler for collecting samples in molecular diagnosis, which comprises a sampling cylinder, wherein a fixing plate is fixedly arranged in the sampling cylinder, two upper springs are fixedly arranged at the top of the fixing plate, the top ends of the two upper springs are fixedly provided with a same sliding disc, a push rod is fixedly arranged in the sliding disc, an external thread is arranged on the outer side of the bottom end of the push rod, a connector is sleeved on the external thread, and a sampling head is fixedly arranged at the bottom end of the connector. The utility model has reasonable structural design, is convenient for the disassembly and assembly of the sampling head by the cooperation of the external thread and the connector, is convenient for the separation work of samples, can push the sampling head out of the sampling cylinder for collection work when in use, and can retract the sampling head into the sampling cylinder for protection after sampling, and then seals the sampling cylinder by the cap, thereby avoiding the pollution of the samples by the collection personnel and avoiding the outward transmission of the viruses of the samples.

Description

Sampler for sample collection in molecular diagnosis

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a sampler for sample collection in molecular diagnosis.

Background

Molecular diagnosis refers to a technique of detecting changes in the structure or expression level of genetic material in a patient using molecular biological methods to make a diagnosis. Molecular diagnosis is a main method for predictive diagnosis, and can be used for diagnosing individual genetic diseases and prenatal diagnosis. Molecular diagnostics refers primarily to the detection of genes encoding various structural proteins, enzymes, antigen antibodies, immunologically active molecules associated with disease.

Reasonable specimen collection is critical to ensure the integrity of the specimen and the accuracy of qualitative/quantitative detection of nucleic acids. However, when the existing sample is collected, a medical cotton swab is generally adopted, protein components and the like are easy to be absorbed when the cotton swab collects the sample, and the separation of the sample is inconvenient, so that the accuracy of a detection result is affected; and need cut the cotton swab head that gathers there is the sample, place centrifugal equipment with the cotton swab head again and carry out the separation sample, lead to using very inconvenient, and after gathering, inconvenient sealed protection is carried out to the sample, leads to the sample to be polluted by the collection personnel and sample self virus's outwards propagates, therefore we have put forward a sampler that is arranged in molecular diagnosis sample collection and is used for solving above-mentioned problem.

Disclosure of Invention

The object of the present utility model is to solve the above-mentioned drawbacks and to propose a sampler for sample collection in molecular diagnostics.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the sampler for sample collection in molecular diagnosis comprises a sampling cylinder, wherein a fixed plate is fixedly arranged in the sampling cylinder, two upper springs are fixedly arranged at the top of the fixed plate, the top ends of the two upper springs are fixedly provided with a same sliding plate, a push rod is fixedly arranged in the sliding plate, an external thread is arranged on the outer side of the bottom end of the push rod, a connector is sleeved on the external thread of the external thread, a sampling head is fixedly arranged at the bottom end of the connector, a limit groove is formed in one side of the sliding plate, a sliding groove is formed in one side inner wall of the sampling cylinder, two reset springs are fixedly arranged on one side inner wall of the sliding groove, one end of each reset spring is fixedly provided with a same side transverse moving plate, one side of each transverse moving plate is fixedly provided with a limit plate, the limit plate is matched with the limit groove, and the other side of each transverse moving plate is fixedly provided with a connecting rod;

the bottom outside movable sleeve of sampling tube is equipped with the block, all set up the draw-in groove on the both sides inner wall of block, the recess is all set up to the both sides of sampling tube, fixedly provided with down the spring on the inner wall of one side of recess, the fixed draw-in lever that is provided with of one end of spring down, two draw-in levers activity joint respectively in the draw-in groove that corresponds.

Preferably, the two clamping rods are respectively sleeved in the corresponding grooves in a sliding manner.

Preferably, the transverse moving plate is sleeved in the sliding groove in a sliding manner, and the connecting rod is positioned between the two reset springs.

Preferably, one end of the connecting rod extends to the outer side of the sampling cylinder and is fixedly provided with a hand-held ball.

Preferably, the top end of the push rod extends to the upper part of the sampling cylinder and is fixedly provided with a pressing plate.

Preferably, the top of the fixed plate is provided with a through hole, and the push rod is sleeved in the through hole in a sliding way.

Preferably, the sliding disc is sleeved in the sampling cylinder in a sliding manner, and the sampling head is movably sleeved in the sampling cylinder.

According to the sampler for sample collection in molecular diagnosis, the external threads are matched with the connectors, so that the sampling heads are convenient to assemble and disassemble, and further the sample separation work is facilitated;

according to the sampler for sample collection in molecular diagnosis, through the cooperation of the slide plate, the limit groove, the upper spring, the limit plate, the transverse moving plate, the reset spring, the connecting rod and the limit groove, when the sampler is used, the sampling head can be pushed out of the sampling cylinder to perform collection work, after the sampling is finished, the sampling head is retracted into the sampling cylinder to be protected, and then the sampling cylinder can be sealed through the cooperation of the cap, the clamping rod, the clamping groove and the lower spring, so that the sample is prevented from being polluted by a collector, and meanwhile, the outward transmission of viruses of the sample is prevented;

the utility model has reasonable structural design, is convenient for the disassembly and assembly of the sampling head by the cooperation of the external thread and the connector, is convenient for the separation work of samples, can push the sampling head out of the sampling cylinder for collection work when in use, and can retract the sampling head into the sampling cylinder for protection after sampling, and then seals the sampling cylinder by the cap, thereby avoiding the pollution of the samples by the collection personnel and avoiding the outward transmission of the viruses of the samples.

Drawings

FIG. 1 is a schematic diagram of a sample collector for sample collection in molecular diagnosis according to the present utility model;

FIG. 2 is a cross-sectional view of a sample collector for sample collection in molecular diagnostics in accordance with the present utility model;

FIG. 3 is a schematic diagram of a portion A of a sampler for sample collection in molecular diagnosis according to the present utility model;

fig. 4 is a schematic structural diagram of a portion B of a sampler for sample collection in molecular diagnosis according to the present utility model.

In the figure: 1. a sampling cylinder; 2. capping; 3. a connecting rod; 4. a hand held ball; 5. a push rod; 6. pressing the plate; 7. a slide plate; 8. a limit groove; 9. a fixing plate; 10. a spring is arranged; 11. an external thread; 12. a connector; 13. a sampling head; 14. a chute; 15. a return spring; 16. a transverse moving plate; 17. a limiting plate; 18. a clamping groove; 19. a clamping rod; 20. a groove; 21. and a lower spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, a sampler for sample collection in molecular diagnosis comprises a sampling tube 1, wherein a fixing plate 9 is fixedly arranged in the sampling tube 1, two upper springs 10 are fixedly arranged at the top of the fixing plate 9, the same slide plate 7 is fixedly arranged at the top ends of the two upper springs 10, a push rod 5 is fixedly arranged in the slide plate 7, an external thread 11 is arranged at the outer side of the bottom end of the push rod 5, a connector 12 is sleeved on the outer side thread of the external thread 11, a sampling head 13 is fixedly arranged at the bottom end of the connector 12, a limit groove 8 is arranged at one side of the slide plate 7, a sliding groove 14 is arranged on the inner wall of one side of the sampling tube 1, two return springs 15 are fixedly arranged on the inner wall of one side of the sliding groove 14, one end of each return spring 15 is fixedly provided with a lateral sliding plate 16 at the same side, a limit plate 17 is fixedly arranged at one side of the lateral sliding plate 16, the limit plate 17 is matched with the limit groove 8, a connecting rod 3 is fixedly arranged at the other side of the lateral sliding plate 16, when the push rod 5 is pressed downwards, the push rod 5 drives the slide plate 7, the connector 12 and the sampling head 13 to move downwards and extend out of the sampling cylinder 1, the upper spring 10 is compressed at the moment, when the slide plate 7 is contacted with the limiting plate 17, the top of the limiting plate 17 is in a slope shape, the slide plate 7 extrudes the limiting plate 17 to retract into the sliding groove 14 and extrudes the reset spring 15, the lower movement of the slide plate 7 is not hindered, when the limiting groove 8 is aligned with the limiting plate 17, under the action of the reset spring 15, the limiting plate 17 moves left quickly and is clamped in the limiting groove 8 to fix the push rod 5 and the sampling head 13, the sampling head 13 extends out of the sampling cylinder 1 at the moment, then a person can collect samples through the sampling head 13, after the samples are collected, the slide plate 7 and the push rod 5 are not fixed after the connecting rod 3, the traversing plate 16 and the limiting plate 17 are pulled to the right and are separated from the limiting groove 8, at this time, under the action of the upper spring 10, the sampling head 13 is retracted into the sampling cylinder 1 for protection;

the movable cover in the bottom outside of sampling tube 1 is equipped with block 2, all offered draw-in groove 18 on the both sides inner wall of block 2, the recess 20 has all been offered to the both sides of sampling tube 1, fixedly on the inner wall of one side of recess 20 is provided with down spring 21, the fixed draw-in lever 19 that is provided with of one end of down spring 21, two draw-in levers 19 respectively movable joint are in corresponding draw-in groove 18, when using, pull out block 2 downwards, two draw-in levers 19 are automatic to be pressed and do not hinder the pull-out of block 2 this moment, after gathering, promote block 2 upwards, draw-in lever 19 is automatic to be pressed and withdraw in recess 20 and extrude down spring 21, when draw-in lever 19 aligns with draw-in groove 18, under the effect of down spring 21, two draw-in levers 19 keep away from each other and the joint in block 18 that block 2 offered, and then can fix block 2 on sampling tube 1, and then can seal the protection to sampling head 13.

In the utility model, the two clamping rods 19 are respectively sleeved in the corresponding grooves 20 in a sliding way, so that the clamping rods 19 are conveniently guided, and the influence of deviation on the fixation of the cap 2 is avoided.

In the utility model, the transverse moving plate 16 is sleeved in the chute 14 in a sliding way, and the connecting rod 3 is positioned between the two return springs 15, so that the transverse moving plate 16 is conveniently guided, and the movement of the transverse moving plate is more stable.

In the utility model, one end of the connecting rod 3 extends to the outer side of the sampling tube 1 and is fixedly provided with the handheld ball 4, so that a person can conveniently pull the connecting rod 3.

In the utility model, the top end of the push rod 5 extends to the upper part of the sampling tube 1 and is fixedly provided with the pressing plate 6, so that a person can conveniently press the push rod 5 downwards.

In the utility model, the top of the fixed plate 9 is provided with the through hole, and the push rod 5 is sleeved in the through hole in a sliding way, so that the push rod 5 can be guided conveniently, and the movement of the push rod is more stable.

In the utility model, the slide plate 7 is sleeved in the sampling cylinder 1 in a sliding way, and the sampling head 13 is sleeved in the sampling cylinder 1 in a movable way, so that the slide plate 7 is conveniently guided, and meanwhile, the movement of the sampling head 13 is not hindered.

In the utility model, when sampling is needed, the cap 2 is pulled down, at the moment, two clamping rods 19 are automatically pressed without obstructing the pulling-out of the cap 2, then the push rod 5 is pressed down by the pressing plate 6, the push rod 5 drives the slide plate 7, the connector 12 and the sampling head 13 to move down and extend out of the sampling cylinder 1, at the moment, the upper spring 10 is compressed, when the slide plate 7 is contacted with the limiting plate 17, because the top of the limiting plate 17 is in a slope shape, the slide plate 7 presses the limiting plate 17 to retract into the sliding groove 14 and press the reset spring 15, further, the sliding plate 7 is not hindered to move down, when the limiting groove 8 is aligned with the limiting plate 17, at the moment, under the action of the reset spring 15, the limiting plate 17 moves left quickly and is clamped in the limiting groove 8 to fix the push rod 5 and the sampling head 13, at the moment, the sampling head 13 extends out of the sampling cylinder 1, then a person can collect a sample through the sampling head 13, when the connecting rod 3, the transverse moving plate 16 and the limiting plate 17 are pulled to move right and separate from the limiting groove 8 through the handheld ball 4, so that the slide plate 7 and the push rod 5 are not fixed, at the moment, under the action of the upper spring 10, the sampling head 13 is retracted into the sampling cylinder 1 for protection, then the cap 2 is pushed upwards, the clamping rod 19 is automatically pressed and retracted into the groove 20 and extrudes the lower spring 21, when the clamping rod 19 is aligned with the clamping groove 18, under the action of the lower spring 21, the two clamping rods 19 are mutually separated and clamped in the clamping groove 18 formed in the cap 2, so that the cap 2 can be fixed on the sampling cylinder 1, further, the sampling head 13 can be sealed and protected, the sample is prevented from being polluted by a collecting person, at the same time, the sample cylinder 1 is prevented from spreading outwards, then the sampling cylinder 1 is taken to a centrifugal device, the cap 2 is opened, the sampling head 13 is pushed out, and the connector 12 is screwed, the sampling head 13 can be removed for separation.

Claims

1. The sampler for sample collection in molecular diagnosis comprises a sampling cylinder (1), and is characterized in that a fixed plate (9) is fixedly arranged in the sampling cylinder (1), two upper springs (10) are fixedly arranged at the top of the fixed plate (9), the top ends of the two upper springs (10) are fixedly provided with the same sliding plate (7), a push rod (5) is fixedly arranged in the sliding plate (7), an external thread (11) is arranged at the outer side of the bottom end of the push rod (5), a connector (12) is sleeved on the outer side thread of the external thread (11), a sampling head (13) is fixedly arranged at the bottom end of the connector (12), a limiting groove (8) is formed in one side of the sliding plate (7), a sliding groove (14) is formed in the inner wall of one side of the sampling cylinder (1), two reset springs (15) are fixedly arranged on the inner wall of one side of the sliding groove (14), one end of each reset spring (15) is fixedly provided with the same side plate (16), a limiting plate (17) is fixedly arranged on one side of the sliding plate (16), and the other side of the sliding plate (16) is matched with the limiting groove (8), and the other side of the limiting plate (16) is fixedly provided with the limiting groove (3).

The bottom outside movable sleeve of sampling tube (1) is equipped with block (2), draw-in groove (18) have all been seted up on the both sides inner wall of block (2), recess (20) have all been seted up to the both sides of sampling tube (1), fixedly on the inner wall of one side of recess (20) be provided with down spring (21), the fixed draw-in lever (19) that is provided with of one end of spring (21) down, two draw-in levers (19) respectively movable joint in draw-in groove (18) that correspond.

2. A sampler for sample collection in molecular diagnostics as claimed in claim 1 wherein the two clamping bars (19) are each slidably received in a corresponding recess (20).

3. A sampler for sample collection in molecular diagnostics as in claim 1 wherein the traversing plate (16) is slidably mounted in a chute (14) and the connecting rod (3) is located between two return springs (15).

4. A sampler for sample collection in molecular diagnostics as in claim 1 wherein one end of the connecting rod (3) extends to the outside of the cartridge (1) and is fixedly provided with a hand-held ball (4).

5. A sampler for sample collection in molecular diagnostics as in claim 1 wherein the top end of the push rod (5) extends above the cartridge (1) and is fixedly provided with a pressure plate (6).

6. The sampler for sample collection in molecular diagnosis according to claim 1, wherein the top of the fixing plate (9) is provided with a through hole, and the push rod (5) is sleeved in the through hole in a sliding way.

7. A sampler for sample collection in molecular diagnostics as claimed in claim 1 wherein the slide (7) is slidably mounted in the cartridge (1) and the sampling head (13) is movably mounted in the cartridge (1).