CN111820958A

CN111820958A - Swab sampling device

Info

Publication number: CN111820958A
Application number: CN202010820152.1A
Authority: CN
Inventors: 丁建文
Original assignee: AVE Science and Technology Co Ltd
Current assignee: AVE Science and Technology Co Ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2020-10-27
Also published as: WO2022032982A1

Abstract

The invention discloses a swab sampling device, comprising: the swab rod is provided with a sampling portion, the cover body is detachably connected with the tube body, the liquid squeezing component is arranged on the tube body or the cover body, and the liquid squeezing component is arranged to supply the swab rod to squeeze samples in the sampling portion when moving up and down in the tube body. When the swab sampling device provided by the invention is used, a sample is collected through the sampling part of the swab rod, the swab rod moves up and down in the process of releasing the sample to sample treatment liquid after sampling is finished so as to enable the sampling part to be in contact with the liquid squeezing part, the sampling part and the liquid squeezing part are in contact with each other to squeeze the sample attached to the sampling part quickly, and therefore the sample is squeezed out and retained in the tube body.

Description

Swab sampling device

Technical Field

The invention relates to the technical field of medical examination, in particular to a swab sampling device

Background

In clinical testing, biological samples are typically collected by swabs, such as pharyngeal swabs, gynecological swabs, and the like. After the swab collects the sample, the sample attached to the swab needs to be eluted into the sample processing solution for subsequent detection.

In prior art, elution operation needs the staff hard to extrude swab and the container wall that holds sample treatment liquid repeatedly to elute the sample to sample treatment liquid in, but this operation is wasted time and energy, and the elution effect is not good, and then influences the inspection effect.

Therefore, how to provide a swab sampling device to facilitate the elution of the sample is a technical problem that needs to be solved by those skilled in the art.

Disclosure of Invention

In view of the above, it is an object of the present invention to provide a swab sampling device that facilitates elution of a sample.

In order to achieve the purpose, the invention provides the following technical scheme:

a swab sampling device, comprising: the swab rod is provided with a sampling portion, the cover body is detachably connected with the tube body, the liquid squeezing component is arranged on the tube body or the cover body, and the liquid squeezing component is arranged to supply the swab rod to squeeze samples in the sampling portion when moving up and down in the tube body.

Preferably, the liquid squeezing component is provided with an elastic deformation part which is set to elastically deform when the sampling part is in contact with the liquid squeezing part so as to squeeze out the sample on the sampling part.

Preferably, the elastic deformation part comprises a plurality of liquid squeezing sheets distributed along the circumferential direction, and a gap is formed between every two adjacent liquid squeezing sheets.

Preferably, a liquid squeezing channel contacting with the swab rod is formed around the plurality of liquid squeezing sheets, the cross section of the tail end of the liquid squeezing channel is in a round hole shape, and the hole diameter of the liquid squeezing channel is smaller than or equal to the outer diameter of the sampling part.

Preferably, the tail end of the liquid squeezing channel is provided with a guide part.

Preferably, the diameter of the liquid squeezing channel is set to be tapered along the axial direction of the pipe body.

Preferably, the liquid squeezing piece is provided with a groove or a through hole.

Preferably, the swab stick is detachably mounted in the tube body, the swab stick further comprises a swab handle, the swab handle comprises a first handle part and a second handle part which can be broken off, and the sampling part is arranged on the first handle part.

Preferably, the length of the first handle is greater than the length of the tube.

Preferably, the cover is provided as a pipe plug to which the wringing member is attached.

Preferably, crowded liquid part is provided with first installation department, first installation department with the inner wall of stopcock passes through first unsmooth connecting portion joint.

Preferably, the mounting part is further provided with a positioning boss, and the pipe plug is provided with a ring recess matched with the positioning boss.

Preferably, the pipe plug is arranged to be in interference clamping connection with the inner wall of the pipe body.

Preferably, the plug is provided with an opening for the swab rod to pass through, and the plug is provided with a sealing film for sealing the opening.

Preferably, the cover body is provided as a pipe cover, and the liquid ejecting member is attached to the pipe body.

Preferably, crowded liquid part is provided with the second installation department, the second installation department with the inner wall of body passes through the joint of the unsmooth connecting portion of second.

Preferably, the pipe cover is provided with a dripper, and the dripper is provided with a liquid dripping hole.

Preferably, the dripper is also detachably provided with a sealing cover for sealing the dripping hole.

Preferably, the pipe body is provided as a flexible pipe body.

When the swab sampling device provided by the invention is used, a sample is collected through the sampling part of the swab rod, the swab rod moves up and down in the process of releasing the sample to sample treatment liquid after sampling is finished so as to enable the sampling part to be in contact with the liquid squeezing part, the sampling part and the liquid squeezing part are in contact with each other to squeeze the sample attached to the sampling part quickly, and therefore the sample is squeezed out and retained in the tube body.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic view of a swab sampling device according to an embodiment of the present invention;

FIG. 2 is a schematic main sectional view of FIG. 1;

FIG. 3 is a schematic bottom view of the plug body of FIG. 2;

FIG. 4 is a schematic structural view of the plug body of FIG. 2;

FIG. 5 is a schematic view of the upper structure of the wringing component of FIG. 2;

FIG. 6 is a bottom view of the wringing component of FIG. 2;

FIG. 7 is a schematic view of the swab stick of FIG. 2;

FIG. 8 is a schematic view of a swab sampling device according to another embodiment of the present invention;

FIG. 9 is an exploded view of FIG. 8;

fig. 10 is a schematic main sectional structure of fig. 8.

The reference numbers are as follows:

1 is a tube body;

2 is a swab stick, 201 is a sampling part, 202 is a first handle part, 203 is a second handle part;

3 is a liquid squeezing component, 30 is a first mounting part, 301 is a liquid squeezing sheet, 302 is a through hole, 303 is a liquid squeezing channel, 304 is a guide part, 305 is a positioning boss, and 306 is a first protrusion;

4 is a plug, 401 is a first groove, 402 is an annular recess, 403 is an annular protrusion, 404 is a sealing film, and 405 is an opening;

5 is a tube cover, 501 is a dropping hole; 502 is a dripper;

and 6 is a sealing cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 7, a swab sampling device according to an embodiment of the present invention includes: swab stick 2, body 1, lid and crowded liquid part 3 are equipped with sampling portion 201 on the swab stick 2, and the lid can be dismantled with body 1 and be connected to take out or put into swab stick 2 from body 1 in order to, crowded liquid part 3 sets up on body 1 or the lid.

When the swab sampling device is used, a sample is collected through the sampling part 201 of the swab rod 2, the sample is attached to the sampling part 201 after sampling is completed, the swab rod 2 is placed in the tube body 1, the sampling part 201 contacts with sample treatment liquid in the tube body 1, the sample on the sampling part 201 is preliminarily released in eluent in a mode of shaking the tube body 1 or stirring the swab rod 2 and the like, then the swab rod 2 is moved up and down to enable the sampling part 201 to be in contact with the liquid squeezing component 3, the sampling part 201 is squeezed and squeezed by the contact of the sampling part and the sample treatment liquid, the sample attached to the sampling part is quickly released, and the sample is squeezed out and left in the tube body 1.

Specifically, crowded liquid part 3 is provided with elastic deformation portion, and when sample portion 201 and elastic deformation portion contacted, elastic deformation portion took place elastic deformation, and sample portion 201 can extrude the sample under the effect of its elastic deformation power, and then improves the extrusion effect of sample.

The elastic deformation part comprises a plurality of liquid squeezing sheets 301 distributed along the circumferential direction, and a gap is formed between every two adjacent liquid squeezing sheets 301. A plurality of crowded liquid piece 301 sets up along the circumferencial direction annular and can be bigger in the 201 area of contact of circumferencial direction contact crowded liquid portion, and two adjacent crowded liquid pieces 301 are provided with the clearance, and the elastic force that its elastic deformation space is bigger to be provided is bigger, consequently crowded liquid piece 301 can be better with the 201 contact extrusion of sample portion, the sample that extrudes in addition can be followed the clearance overflow and avoided appearing the hydrops by sample portion 201 reabsorption.

Further, a plurality of liquid squeezing sheets 301 surround and form a liquid squeezing channel 303 contacting with the sampling part 201, the cross section of the end of the liquid squeezing channel 303 is set to be a round hole shape, the hole diameter is smaller than or equal to the outer diameter of the sampling part 201, namely, the plurality of liquid squeezing sheets 301 surround and form a cylinder shape. With the arrangement, when the sampling part 201 passes through the liquid squeezing channel 303, the sampling part is wrapped by the liquid squeezing sheets 301, so that the sampling part is stressed at a plurality of positions in the circumferential direction, and the squeezing effect is better.

The end of the liquid squeezing channel 303 is provided with a guiding portion 304, wherein the guiding portion 304 is configured as a flaring structure, and the flaring structure may be configured as a trumpet shape, an arc shape, an inclined plane, and the like.

Further, the diameter of the liquid squeezing channel 303 is set to be tapered along the axial direction of the pipe body 1, wherein the tapered direction may be from one end to the other end, for example, to form a conical shape, or may be a structure in which both ends are tapered toward the middle, that is, both ends are flared, and the middle is a reduced mouth. Through the convergent setting, when removing swab stick 2 when contacting with crowded liquid part 3, can realize playing the extruded effect gradually to sample portion 201 to improve crowded liquid effect and crowded liquid stability.

The liquid squeezing sheet 301 is provided with a groove or a through hole 302, for example, the through hole 302 can be arranged at the root part close to the liquid squeezing sheet 301, and the groove or the through hole 302 can improve the deformation capability of the liquid squeezing sheet 301 so as to realize liquid squeezing better.

In one embodiment of the present invention, the swab stick 2 is removably mounted within the tube 1, the swab stick 2 further comprises a swab handle comprising a first handle 202 and a second handle 203, which are breakable, the sampling portion 201 being disposed in the first handle 202. It should be noted that the sampling portion 201 is used for sucking a sample, and therefore, the material of the sampling portion is absorbent, including but not limited to cotton, plastic, etc., when sampling, the total length of the first handle portion 202 and the second handle portion 203 is long, and the sampling portion can extend into the human body to complete sampling, such as gynecological sampling or pharyngeal swab sampling, and after sampling is completed, the second handle portion 202 can be broken off from the first handle portion 201 to shorten the length of the swab rod 2, thereby facilitating subsequent processing. In the embodiment, the length of the first handle portion 202 is greater than that of the tube 1, so that after the first handle portion 202 is broken from the second handle portion 203, a part of the first handle portion 202 is exposed outside the tube 1 to facilitate the liquid squeezing operation.

Crowded liquid part 3 sets up to detachably installs to the lid in this embodiment, and the lid sets up to stopcock 4 in this embodiment, and stopcock 4 can be dismantled with body 1 and be connected, and both connected modes are: the liquid squeezing component 3 is provided with a first installation part 30, the first installation part 30 is provided with a protrusion or a groove, the pipe plug 4 is internally provided with a groove/protrusion matched with the protrusion or the groove of the first installation part 30, the first installation part 30 and the groove/protrusion form a first concave-convex connection part to realize clamping, and therefore the connection between the first installation part 30 and the inner wall of the pipe plug 4 is realized. In this embodiment, the first mounting portion 30 is provided with a first protrusion 306, which is annularly disposed on the outer circumferential surface of the liquid squeezing component 3, the pipe plug 4 is provided with a groove 401, the groove 401 is annularly disposed on the inner wall of the pipe plug 4, and the groove are connected in a concave-convex manner to realize clamping.

Further, still be provided with location boss 305 on the first installation department 30, be provided with on the stopcock 4 with location boss 305 complex ring concave part 402, location boss 305 sets up in the one end of crowded liquid part 3, its surface that extrudes crowded liquid part 3 encircles the setting, ring concave part 402 encircles the recess along the stopcock inner wall, when crowded liquid part 3 and stopcock equipment, both fix a position through first concave-convex part joint and the concave cooperation of boss ring, its cooperation is convenient and stability is high.

In this embodiment, the pipe stopper 4 is in interference fit with the inner wall of the pipe body 1. Specifically, the outer wall of the pipe plug 4 is provided with an annular protrusion 403, and the inner wall of the pipe body 1 is in interference fit to realize clamping.

In this embodiment, an opening 405 through which a swab rod passes is formed in the plug 4, a sealing film 404 for sealing the opening 405 is formed in the plug 4, the plug 4 can be sealed by the sealing film 404, so that the cleanliness of the interior of the tube body 1 can be maintained, and the tube body 1 can prevent a sample treatment liquid from flowing out if the sample treatment liquid is encapsulated in the tube body 1.

The structure described above can be used in cooperation with an automated sample processing instrument, and after sampling is completed, the second handle 203 is broken off and then the sample is sent into the automated sample processing instrument, it should be noted that the sample processing liquid in the tube body 1 can be sealed in the tube body 1 in advance or can be subsequently added into the tube body 1, the adding mode can be that the sample processing liquid is added by the automated sample processing instrument, and the subsequent sample extrusion and release process can also be completed by the automated sample processing instrument

Referring to fig. 8 to 10, fig. 8 is a schematic structural diagram of a swab sampling device according to another embodiment of the present invention; FIG. 9 is an exploded view of FIG. 8; fig. 10 is a schematic main sectional structure of fig. 8.

In this embodiment, the cover body is configured as a tube cover 5, the tube cover 5 is configured to be in threaded connection with the tube body 1, and in this embodiment, the structure of the liquid squeezing component 3 and the swab rod 2 is the same as that in the above embodiment, except that the liquid squeezing component 3 is mounted to the tube body 1, specifically, the liquid squeezing component 3 is connected to the tube body 1 in a manner similar to that in the above embodiment, and the liquid squeezing component 3 is clamped with the inner wall of the tube body 1 through the second concave-convex connecting portion.

In this embodiment, one end of the cap 5 is further provided with a dripper 502, and the dripper 502 is provided with a dripping hole 501, which communicates the cap 5 and the inside of the tube body 1, so that the sample liquid in the tube body 1 can be dripped out for sample application.

In this embodiment, the tube body 1 is further provided as a flexible tube body, so that the outer wall of the tube body 1 can be squeezed by hand to deform the tube body during spotting operation, thereby facilitating the better spotting of the liquid in the tube body 1.

In this embodiment, the dropper 502 is further detachably provided with a sealing cover 6, the sealing cover 6 is configured to seal the dropping hole 501, and the sealing cover 6 can prevent the sample liquid in the tube body 1 from flowing out.

The structure of the swab sampler provided in the above another embodiment can be used for performing spotting process manually, the operation of releasing the sample attached to the swab rod 2 into the sample processing solution in the tube body 1 is the same as the first embodiment, and after the solution squeezing operation is completed, the swab rod 2 is taken out, the tube cover 5 is covered, and the outer wall of the tube body 1 is squeezed to perform spotting process through the dropper 502.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The swab sampling device provided by the present invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. A swab sampling device, comprising: the swab rod is provided with a sampling portion, the cover body is detachably connected with the tube body, the liquid squeezing component is arranged on the tube body or the cover body, and the liquid squeezing component is arranged to supply the swab rod to squeeze samples in the sampling portion when moving up and down in the tube body.

2. The swab sampling device of claim 1, wherein the expression member is configured to be elastically deformed when the sampling portion is in contact therewith to express a sample on the sampling portion.

3. The swab sampling device of claim 2, wherein the elastically deformable portion comprises a plurality of circumferentially-distributed squeeze pads, and wherein a gap is disposed between adjacent squeeze pads.

4. The swab sampling device of claim 3, wherein the plurality of squeezing blades surround a squeezing channel in contact with the swab rod, and the cross section of the end of the squeezing channel is a round hole with a diameter smaller than or equal to the outer diameter of the sampling portion.

5. The swab sampling device of claim 4, wherein the distal end of the expression channel is provided with a guide.

6. The swab sampling device of claim 4, wherein the diameter of the expression channel is configured to taper along the axis of the tube.

7. The swab sampling device of claim 3, wherein the expression member comprises a recess or aperture.

8. The swab sampling device of any one of claims 1 to 7, wherein the swab wand is removably mounted within the body, the swab wand further comprising a swab handle, the swab handle comprising first and second frangible handle portions, the sampling portion being disposed in the first handle portion.

9. The swab sampling device of claim 8, wherein the first handle has a length greater than the tube length.

10. The swab sampling device of any one of claims 1 to 7, wherein the cover is provided as a plug, the wringing component being mounted to the plug.

11. The swab sampling device of claim 10, wherein the wringing component is provided with a first mounting portion, and the first mounting portion is engaged with an inner wall of the plug by a first male-female connection portion.

12. The swab sampling device of claim 11, wherein the mounting portion further comprises a positioning boss, and the plug comprises a ring recess that engages the positioning boss.

13. The swab sampling device of claim 10, wherein the plug is configured to engage the inner wall of the tube in an interference fit.

14. The swab sampling device of claim 10, wherein the plug is provided with an opening through which the swab rod passes, and wherein the plug is provided with a sealing membrane that seals the opening.

15. The swab sampling device of any one of claims 1 to 7, wherein the cover is configured as a tube cover, and the expression member is mounted to the tube body.

16. The swab sampling device of claim 15, wherein the fluid squeezing component is provided with a second mounting portion, and the second mounting portion is engaged with the inner wall of the tube body through a second male-female connection portion.

17. The swab sampling device of claim 15, wherein the tube cap comprises a dripper, and wherein the dripper comprises a drip hole.

18. The swab sampling device of claim 17, wherein the dripper further comprises a removable sealing cap for sealing the drip hole.

19. The swab sampling device of claim 17, wherein the tube is configured as a flexible tube.