CN214097174U

CN214097174U - Saliva collection and detection card

Info

Publication number: CN214097174U
Application number: CN202022893445.0U
Authority: CN
Inventors: 刘伟芳
Original assignee: Guangzhou Decheng Biotechnology Co ltd
Current assignee: Guangzhou Decheng Biotechnology Co ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-08-31
Anticipated expiration: 2030-12-03
Also published as: ES1268944Y; FR3117008A3; DE202020107379U1; FR3117008B3; TR202109080U5; ES1268944U; AT17384U2; AT17384U3

Abstract

The utility model discloses a saliva collection detection card, including upper cover, lower cover, sampling rod and setting up the upper cover with the test paper strip between the lower cover, the upper cover is provided with observation window and sample addition mouth, and the sample end of sampling rod is provided with the display part, and the lower extreme of sample end sets up saliva absorbing device, and saliva absorbing device includes indicating test paper, saliva conduction portion and sample cotton, and indicating test paper corresponds the setting in the inboard of display part, and the display part is used for observing the colour change of indicating test paper, and saliva conduction portion is used for transmitting saliva from sample cotton to indicating test paper; an extrusion plate is arranged at the sample adding port, and the sampling cotton is arranged in the sample adding port and is contacted with the extrusion plate. The utility model discloses whether can differentiate saliva and gather the completion according to the colour change of the indicator paper on the sampling stick, set up the flange in the sampling stick lateral wall outside simultaneously and can prevent saliva spill from the sample loading port when extrusion sample is cotton.

Description

Saliva collection and detection card

Technical Field

The utility model belongs to the technical field of medical detection device, concretely relates to saliva is collected and is detected card.

Background

In the diagnosis of diseases, various detection means are generally used, wherein saliva is collected without harm and discomfort to human bodies, and the saliva detection can also be used in occasions such as drunk driving tests, drug tests, gene detection, virus detection and the like. The method for collecting saliva can furthest enlarge the sampling range of gene research, is particularly suitable for large-scale population of molecular epidemiology, such as collecting saliva to detect 2019-nCoV (novel coronavirus), and can avoid the risk of infection of medical workers caused by collecting nasopharynx or oropharynx.

Patent publication No. CN210401428U discloses a saliva collecting and detecting device, which comprises an upper cover, a lower cover, a sampling rod and a reagent strip. The sampling stick is characterized in that a saliva absorption pad is arranged below a stick head of the sampling stick, an extrusion plate is arranged on one side of the sampling window, a plurality of convex strips are transversely arranged on the extrusion plate, a liquid inlet hole is formed beside the extrusion plate, a liquid storage space is further arranged on the upper cover and is located beside the liquid inlet hole, and the liquid storage space and the corresponding area of the lower cover form a residual liquid collecting area. This detection device is collected to saliva does not set up the detection device whether abundant of discernment saliva collection volume, also does not set up the splashproof structure simultaneously and prevents that the sampling stick from pressing in-process saliva from the sampling window spill.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a saliva is collected and is detected card to solve above-mentioned technical problem, so that saliva is collected and is detected the card and can conveniently carry out saliva collection fast and detect, and can distinguish whether saliva is gathered and is accomplished according to the colour change of the indicator paper on the sampling stick, sets up simultaneously and can prevent that saliva from following the sample loading port spill when extrusion sample is cotton in the flange in the sampling stick lateral wall outside.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

the utility model provides a test card is collected to saliva, is in including upper cover, lower cover, sampling rod and setting the upper cover with test paper strip between the lower cover, the upper cover with the lower cover joint, the upper cover is provided with observation window and sample addition mouth, the test paper strip includes display area and sample introduction area, the observation window with the sample addition mouth respectively with the display area and the sample introduction area one-to-one of test paper strip, the one end of sampling rod is the sample connection, and the other end is handheld end, the sample connection with do between the handheld end the body of rod of sampling rod, the sample connection is provided with the display part, the lower extreme of sample connection sets up saliva absorbing device, saliva absorbing device includes:

the indication test paper is correspondingly arranged on the inner side of the display part, and the display part is used for observing the color change of the indication test paper;

the saliva conduction part is provided with one end clinging to the indicator paper;

a sampling cotton disposed under the other end of the saliva conduction part and in contact with the saliva conduction part;

the sampling port is provided with an extrusion plate, the extrusion plate is provided with a liquid inlet hole, and the sampling cotton is arranged in the sampling port and is contacted with the extrusion plate.

Preferably, the display part is of a transparent structure, the display part is made of a transparent material and can be made of plastic or glass, saliva on the sampling cotton is transmitted to the indicator paper, the color change of the indicator paper is observed through the display part, and whether the collection of the saliva is finished or not is judged according to the color change.

Preferably, the sampling end comprises a top wall and a plurality of side walls, the indicator paper and the saliva conduction part are arranged in a sampling groove enclosed by the top wall and the side walls, and the sampling cotton is adhered to the inner side of the top wall.

Preferably, the outer side of at least one of the side walls is provided with a rib.

When the sampling end is placed at the sample addition port, the retaining edge on the side wall of the sampling end is abutted against the inner side of the frame of the upper cover arranged at the sample addition port, so that the retaining edge is matched with the top wall to close the sample addition port, and saliva is prevented from splashing out of the sample addition port.

Preferably, the rib is arranged at the position where the top wall and the side wall are connected; or the rib is arranged on the upper half part of the side wall.

Preferably, when the rib is arranged at the position where the top wall is connected with the side wall, the rib is a convex edge structure which is formed by extending the edge of the top wall outwards along the horizontal direction and exceeds the connecting position of the top wall and the side wall.

Preferably, the retaining edge is arranged on the side wall close to the handheld end, and the outer sides of the other side walls are abutted against the inner side of the frame of the upper cover arranged at the sample loading port.

More preferably, all the side walls of the sampling end are provided with flanges, and the flanges are abutted against the inner side of the frame of the upper cover arranged at the sample port, so that the flanges close the sample port.

Preferably, the top wall is provided with a conduction hole for the indicator paper and the saliva conduction part to pass through, and the conduction hole is communicated with the display part.

Preferably, a saliva isolation layer is arranged between the sampling cotton and the sampling end, and the sampling cotton is pasted below the sampling end through the saliva isolation layer.

Preferably, one side of the saliva isolating layer is in contact with the inner layer of the top wall of the sampling end, the other side of the saliva isolating layer is in contact with the sampling cotton, and the through hole for the saliva conducting part to pass through is formed in the saliva isolating layer. The through hole is arranged corresponding to the conducting hole, so that the saliva is conducted to sequentially penetrate through the through hole and the conducting hole and then is contacted with the indicator paper.

Preferably, the saliva isolating layer is a double-sided adhesive tape, and the double-sided adhesive tape adheres the sampling cotton and the inner side of the top wall of the sampling end.

Preferably, the one end outside of sample taking end sets up the fixture block, the both sides of application of sample mouth set up the frame, the one end of application of sample mouth sets up the baffle, the other end of application of sample mouth sets up the buckle, the both ends of baffle are connected with the frame of both sides respectively, the application of sample mouth sets up the frame with in the region that the baffle encloses, the frame or set up on the baffle the joint hole with the fixture block, the buckle is used for the joint the sample taking end with the body of rod between the handheld end.

Preferably, the fixture block sets up and is keeping away from the lateral wall outside of handheld end, the joint hole sets up on the baffle, the fixture block with make behind the joint hole cooperation the sample end joint of sampling rod is in the sample loading port.

Preferably, the upper end face of the fixture block is flush with the top wall of the sampling end, the height of the fixture block is lower than that of the side wall, and the fixture block is convenient to clamp with the clamping hole in a clamping mode.

Preferably, the number of the fixture blocks is multiple, and the fixture blocks are arranged on the same side wall and are arranged horizontally, vertically or in a polygonal interval. Or the number of the clamping blocks is multiple, the clamping blocks are arranged on at least two side walls, and one or more clamping blocks are arranged on each side wall.

Preferably, the sampling cotton is a water-absorbing cotton sliver, a sponge block, water-absorbing plant fibers or a porous polymer material.

Preferably, a plurality of liquid inlet holes and a plurality of raised lines are arranged on the extrusion plate, and the liquid inlet holes are arranged above the test strip sample inlet area.

Preferably, the raised lines are symmetrically distributed on two sides of the liquid inlet hole.

Preferably, the liquid inlet hole sets up one or more than two, sets up more than two liquid inlet holes and can ensure that saliva is fast from the cotton flow direction of sampling to the test paper strip, the liquid inlet hole can be followed the length direction interval of test paper strip sets up, sets up one or more liquid inlet hole above the introduction area of every test paper strip promptly.

Preferably, when the test strips are multiple, at least two rows of liquid inlet holes are formed in the width direction of the test strips, each row of liquid inlet holes corresponds to one test strip, and one or more liquid inlet holes are formed in each row of liquid inlet holes.

Preferably, the lower cover is provided with a plurality of clamping grooves for clamping the test strip, so that the test strip is prevented from shifting in the detection process.

Preferably, two sides of the sample injection area for placing the test strip on the lower cover are also provided with a residual solution collecting tank.

Has the advantages that:

the utility model discloses a sampling rod of detection card is collected to saliva can conveniently carry out saliva fast and collect, observes the colour change of indicating test paper through setting up the display part at the sample site, and whether the colour change according to indicating test paper on the sampling rod distinguishes saliva and gathers the completion, ensures abundant saliva volume abundant, prevents that the sampling rod that human error will not draw or the extraction volume is not enough from placing the sample addition mouth of detection card, sets up the flange cooperation in the sampling rod lateral wall outside simultaneously the roof seals the sample addition mouth of upper cover prevents that saliva from spilling from the sample addition mouth when extrusion sample is cotton. The saliva isolated layer that sets up between sample cotton and sample end can prevent the cotton direct and the indicator paper contact of sample, when leading to the cotton saliva liquid volume of gathering of sample not enough, the sample cotton leads to the indicator paper with the direct contact of indicator paper to change colors, then make the sampling personnel take place the erroneous judgement, the saliva isolated layer both can be with the sample cotton and the sample end adhesion of sampling rod, also can make the sample of indicator paper more accurate, be convenient for confirm whether saliva gets to extract completely. The utility model discloses a saliva is collected and is detected card still possesses advantages such as small in size, convenient to carry, low cost, therefore very is applicable to occasions such as clinical examination, wine drive test, drug test, gene detection, virus detection, and this saliva is collected and is detected card not only is applicable to the saliva, also can be used to the collection of other liquid sample such as urine, blood and detect.

Drawings

FIG. 1 is a perspective view showing the overall structure of a saliva collection test card;

FIG. 2 is an exploded view of the structure of the saliva collection test card;

FIG. 3 shows a bottom view of a saliva collection test card;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a view showing the structure of the upper lid of the saliva collecting test card;

FIG. 6 is a view showing the structure of the lower cover of the saliva collecting test card;

FIG. 7 is a view showing a structure of a sampling stick of the saliva collecting test card;

FIG. 8 is a view showing the configuration of the saliva collecting test card after the sampling stick and the saliva absorbing device are mounted.

Reference numerals

1. An upper cover; 11. a sample addition port; 12. an observation window; 13. buckling; 14. a frame; 15. a baffle plate; 151. a clamping hole; 16. a pressing plate; 161. a liquid inlet hole; 162. a convex strip; 2. a lower cover; 21. a card slot; 22. a residual liquid collecting tank; 3. a sampling rod; 31. a sampling end; 32. a handheld end; 33. a rod body; 311. a display unit; 312. a side wall; 313. a top wall; 314. a conductive hole; 315. a clamping block; 316. blocking edges; 4. indicating test paper; 5. a saliva conduction portion; 6. a saliva barrier layer; 61. a through hole; 7. sampling cotton; 8. a test strip; 81. a sample introduction area; 82. a display area.

Detailed Description

In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.

The technical solution of the present invention will be described in detail with specific embodiments.

Example 1

As shown in fig. 1 and 2, a saliva collection detection card, including upper cover 1, lower cover 2, sampling rod 3 and the test paper strip 8 of setting between upper cover 1 and lower cover 2, upper cover 1 and 2 joint of lower cover, upper cover 1 is provided with observation window 12 and sample addition port 11, test paper strip 8 includes display area 82 and advances kind district 81, observation window 12 and sample addition port 11 respectively with the display area 82 and the sample addition area 81 one-to-one of test paper strip 8, the one end of sampling rod 3 is sampling end 31, the other end is handheld end 32, be the body of rod 33 of sampling rod 3 between sampling end 31 and the handheld end 32, sampling end 31 is provided with display part 311, the lower extreme of sampling end 31 sets up saliva absorbing device, saliva absorbing device includes: the indication test paper 4, the saliva conduction part 5 and the sampling cotton 7, in the embodiment, the saliva conduction part is a saliva conduction pole, the indication test paper 4 is correspondingly arranged on the inner side of the display part 311, and the display part 311 is used for observing the color change of the indication test paper 4; one end of the saliva conduction part 5 is arranged close to the indication test paper 4; the sampling cotton 7 is arranged below the other end of the saliva conduction part 5 and is in contact with the saliva conduction part 5; an extrusion plate 16 is arranged at the sample loading port 11, the extrusion plate 16 is provided with a liquid inlet hole 161, and the sampling cotton 7 is arranged in the sample loading port 11 and is contacted with the extrusion plate 16. The sampling cotton 7 is a water-absorbing cotton strip, a sponge block, water-absorbing plant fiber or a porous polymer material. The handle end 32 of the sampling rod 3 is a circular plate-shaped structure, and the diameter of the handle end 32 is larger than the width of the rod body 33.

The display portion 311 is of a transparent structure, the display portion 311 is made of a transparent material, and can be made of plastic or glass, saliva in the oral cavity of a person to be detected is extracted through the sampling cotton 7, then the saliva on the sampling cotton 7 is transmitted to the indication test paper 4 through the saliva conduction, the color change of the indication test paper 4 is observed through the display portion 311, and whether the collection of the saliva is completed or not is judged according to the color change. The indicating test paper 4 is used for detecting whether the sampling rod 3 extracts saliva or not, and preventing the sampling rod 3 which is not extracted or has insufficient extraction amount from being placed in the sample adding port 11 by human error. The preferred indicator strip 4 in this embodiment is a blue indicator strip 4, which indicates that the saliva collection amount is complete when saliva is transmitted to the blue indicator strip 4 via the saliva conduction part 5 and turns blue.

As shown in fig. 6, in this embodiment, the test strip 8 is one, and the lower cover 2 is provided with a slot 21 for clamping the test strip 8, so as to prevent the test strip 8 from shifting during the detection process. And two sides of the sample injection area 81 for placing the test strip 8 on the lower cover 2 are also provided with a residual liquid collecting groove 22, when redundant saliva overflows from the test strip 8, the residual liquid collecting groove 22 can collect the redundant saliva extracted from the sampling cotton 7 under medium pressure, so that the condition that the test accuracy of the test strip 8 is influenced by too fast extrusion or too much saliva is avoided.

As shown in fig. 7, the sampling end 31 of the sampling rod 3 includes a top wall 313 and a plurality of side walls 312, the side walls 312 are disposed perpendicular to the top wall 313 or inclined, and the inner side surfaces of the side walls 312 and the inner side surfaces of the top wall 313 are at an angle ranging from 0 ° to 180 °. The indicator paper 4 and the saliva conducting portion 5 are disposed in a sampling groove defined by a top wall 313 and a side wall 312, and a sampling cotton 7 is adhered to the inner side of the top wall 313. The sampling end 31 includes a top wall 313 and four side walls 312. A rib 316 is provided on the outside of at least one of the side walls 312. When the sampling end 31 is placed in the sample port 11, the rib 316 on the side wall 312 of the sampling end 31 abuts against the inner side of the frame 14 of the upper cover 1 in the sample port 11, so that the rib 316 cooperates with the top wall 313 to close the sample port 11, thereby preventing saliva from splashing out of the sample port 11. In this embodiment, the rib 316 is disposed at a position where the top wall 313 and the side wall 312 are connected, the rib 316 is disposed on the side wall 312 near the holding end 32, and the outer sides of the remaining side walls 312 abut against the inner side of the frame 14 of the upper cover 1 disposed at the sample addition port 11. When the rib 316 is disposed at the position where the top wall 313 and the side wall 312 are connected, the rib 316 is a convex edge structure formed by extending the edge of the top wall 313 outward in the horizontal direction beyond the position where the top wall 313 and the side wall 312 are connected.

The width of the rib 316 extending along the horizontal direction is 0.2-05 mm. Preferably, in this embodiment, the width of the rib 316 in the horizontal direction is 0.3 mm.

As shown in fig. 7 and 8, the top wall 313 is provided with a conduction hole 314 through which the indicator paper 4 and the saliva conduction portion 5 pass, and the conduction hole 314 communicates with the display portion 311. The display portion 311 is formed by a partial region of the top wall 313 protruding upward, and the display portion 311 is provided with an inner cavity that accommodates the indicator paper 4, the inner cavity communicating with the conduction hole 314. A saliva isolation layer 6 is arranged between the sampling cotton 7 and the sampling end 31, and the sampling cotton 7 is pasted below the sampling end 31 through the saliva isolation layer 6.

One side of the saliva isolating layer 6 is contacted with the inner layer of the top wall 313 of the sampling end 31, the other side of the saliva isolating layer 6 is contacted with the sampling cotton 7, and a through hole 61 for the saliva conducting part 5 to pass through is arranged on the saliva isolating layer 6. The through hole 61 is positioned corresponding to the conduction hole 314, so that the saliva is conducted to pass through the through hole 61 and the conduction hole 314 in sequence and then contacts the indicator paper 4. Because on the prerequisite that has sufficient saliva volume on the sample cotton 7, sample cotton 7 can transmit saliva to indicating test paper 4 through saliva conduction part 5, then judge whether the collection of saliva is complete through indicating test paper 4, consequently, guarantee through saliva insulating layer 6 that sample cotton 7 extracts sufficient saliva volume, make even absorption saliva on the sample cotton 7, prevent sample cotton 7 direct and indicate test paper 4 contact, when leading to sample cotton 7 to gather the saliva volume not enough, sample cotton 7 leads to indicating test paper 4 to change colour with the direct contact of indicating test paper 4, then make the sampling personnel take place the erroneous judgement, so saliva insulating layer 6 both can be connected sample cotton 7 and sampling rod 3's sample end 31, also can make the sample of indicating test paper 4 more accurate, be convenient for confirm whether the saliva is got to extract completely.

The saliva barrier 6 has an area greater than or equal to the area of the upper surface of the sampling cotton 7, which ensures that the saliva barrier 6 completely separates the sampling cotton 7 from the indicator paper 4. The saliva barrier 6 is a double-sided adhesive tape that adheres the sampling cotton 7 to the inside of the top wall 313 of the sampling end 31.

As shown in fig. 3 and 4, a fixture block 315 is disposed outside one end of the sampling end 31, two sides of the sample loading port 11 of the upper cover 1 are provided with frames 14, one end of the sample loading port 11 is provided with a baffle 15, the other end of the sample loading port 11 is provided with a buckle 13, two ends of the baffle 15 are respectively connected with the frames 14 at two sides, the sample loading port 11 is disposed in an area enclosed by the frames 14 and the baffle 15, a clamping hole 151 is disposed on the frame 14 or the baffle 15 and is clamped with the fixture block 315, and the buckle 13 is used for clamping the rod body 33 between the sampling end 31 and the handheld end 32. The frame 14 and the baffle 15 tightly hold the sampling end 31 of the sampling rod 3 in the sample port 11, so that the saliva sample can be prevented from being lost around during the extrusion process.

In this embodiment, the latch 315 is preferably disposed on the outer side of the sidewall 312 far away from the handheld end 32, the latching hole 151 is disposed on the baffle 15, the number of the latches 315 is one, and the number of the corresponding latching holes 151 is also one. After the clamping block 315 is matched with the clamping hole 151, the sampling end 31 of the sampling rod 3 is clamped in the sample adding port 11. The upper end surface of the latch 315 is flush with the top wall 313 of the sampling tip 31, and the height of the latch 315 is lower than the height of the side wall 312, so that the latch 315 is easily engaged with the engaging hole 151.

The height of fixture block 315 is less than the height of joint hole 151, can guarantee like this that sampling rod 3 pushes down in application of sample port 11, can make handheld end 32 exert external force and have sufficient space of pushing down of fixture block 315 and sample cotton 7 when pushing down sample cotton 7, prevent simultaneously that fixture block 315 card from dying to lead to the unable pushing down of sample end 31 in joint hole 151.

As shown in FIG. 5, the pressing plate 16 of the upper cover 1 is provided with a plurality of liquid inlet holes 161 and a plurality of protruding strips 162, and the liquid inlet holes 161 are disposed above the sample inlet area 81 of the test strips 8. The convex strips 162 are symmetrically distributed on two sides of the liquid inlet hole 161. The liquid inlet 161 is one or more than two, and the two or more than two liquid inlets 161 can ensure that saliva flows from the sampling cotton 7 to the test strip 8, and the liquid inlets 161 can be arranged at intervals along the length direction of the test strip 8, that is, one or more liquid inlets 161 are arranged above the sample inlet 81 of each test strip 8.

The rib 162 may be provided along the length direction of the strip 8. The convex strip 162 is of a splash-proof strip structure, when the sampling cotton 7 is in full contact with the convex strip 162 on the extrusion plate 16, saliva in the sampling cotton 7 flows out from the bottom of the sampling cotton 7 more easily and uniformly and flows onto the test strip 8 through the liquid inlet hole 161, and the saliva in the sampling cotton 7 in the extrusion process of the handheld end 32 is prevented from being splashed out from the upper end and the periphery of the sampling cotton 7.

As shown in fig. 4, when in use, the upper cover 1 and the lower cover 2 are opened, 1 or more test strips 8 are uniformly placed on the lower cover 2, the upper cover 1 and the lower cover 2 are clamped tightly, saliva is collected by using the sampling rod 3, the sampling end 31 is held in the mouth of a patient, saliva is collected by the sampling cotton 7 made of absorbent cotton strips, after sufficient saliva content is obtained, the clamping block 315 on the sampling end 31 is placed into the clamping hole 151 to be clamped with the clamping hole, the clamping block 13 is fixedly connected with the rod body 33 of the sampling rod 3, the holding end 32 is pressed downwards and forcibly, the clamping block 13 is clamped with the rod body 33, the sampling cotton 7 is fully contacted with the extrusion plate 16 on the sample adding port 11, saliva in the sampling cotton 7 is uniformly extruded and flows from the liquid inlet hole 161 to the sample inlet area 81 on the reagent strip under the combined action of the holding end 32 and the convex strip 162 on the extrusion plate 16, and then fully contacted and reacted, and reading the corresponding result of the display area 82 of the test strip 8 from the display window, thereby achieving the purpose of simultaneously collecting and detecting saliva.

Example 2

The present embodiment only describes the difference from the above-described embodiments, and other technical features are the same, in the present embodiment, the rib 316 is disposed on the upper half of the sidewall 312.

Example 3

In this embodiment, only the differences from the above embodiments are described, and other technical features are the same, in this embodiment, all the side walls 312 of the sampling end 31 are provided with the ribs 316, and the ribs 316 are all abutted against the inner side of the frame 14 of the upper cover 1 at the sample addition port 11, so that the ribs 316 seal the sample addition port 11.

Example 4

In the present embodiment, the upper end surface of the latch 315 is lower than the top wall 313 of the sampling end 31, and the lower end surface of the latch 315 is higher than the lower end surface of the side wall 312.

Example 5

In the present embodiment, the number of the latch 315 is plural, and the plural latches 315 are disposed on the same sidewall 312 and are spaced horizontally, vertically or in a polygon shape. Or the number of the fixture blocks 315 is multiple, the fixture blocks 315 are arranged on at least two side walls 312, and one or more fixture blocks 315 are arranged on each side wall 312.

Example 6

In this embodiment, when a plurality of test strips 8 are provided, at least two rows of the liquid inlet holes 161 are arranged along the width direction of the test strips 8, each row of the liquid inlet holes 161 corresponds to one test strip 8, and one or more liquid inlet holes 161 are arranged on each row of the liquid inlet holes 161.

The above is to the embodiment of the saliva collection detection card provided by the utility model is elaborated. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the core concepts of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can also make several improvements and modifications, and these improvements and modifications also fall into the protection scope of the claims of the present invention.

Claims

1. The utility model provides a test card is collected to saliva, includes upper cover, lower cover, sampling rod and sets up the upper cover with test paper strip between the lower cover, the upper cover is provided with observation window and sample loading port, its characterized in that, the one end of sampling rod is the sample end, and the other end is handheld end, the sample end is provided with the display part, the lower extreme of sample end sets up saliva absorbing device, saliva absorbing device includes:

the indication test paper is arranged on the inner side of the display part, and the display part is used for observing the color change of the indication test paper;

the sampling port is provided with an extrusion plate, the extrusion plate is provided with a liquid inlet hole, and the sampling cotton is contacted with the extrusion plate when the sampling end is arranged in the sampling port.

2. The saliva collection test card of claim 1, wherein the sampling end comprises a top wall and a plurality of side walls, the indicator strip and the saliva conducting portion are disposed in a sampling slot defined by the top wall and the side walls, and the sampling cotton is adhered to an inner side of the top wall.

3. A saliva collection test card according to claim 2, wherein at least one of the side walls is provided with a rib on the outside.

4. A saliva collection test card as claimed in claim 3, wherein the rib is provided at the location where the top wall and the side wall join; or the rib is arranged on the upper half part of the side wall.

5. A saliva collection test card according to claim 2, wherein the top wall is provided with a conduction hole for the indicator strip and the saliva conduction portion to pass through, the conduction hole communicating with the display portion.

6. The saliva collection test card of claim 1 or 2, wherein a saliva isolation layer is disposed between the sampling cotton and the sampling end, and the sampling cotton is adhered below the sampling end through the saliva isolation layer.

7. The saliva collecting and detecting card of claim 2, wherein a clamping block is disposed outside one end of the sampling end, frames are disposed on two sides of the sample port, a baffle is disposed on one end of the sample port, a buckle is disposed on the other end of the sample port, two ends of the baffle are respectively connected with the frames on two sides, the sample port is disposed in an area enclosed by the frames and the baffle, a clamping hole is disposed on one of the frames or the baffle and is clamped with the clamping block, and the buckle is used for clamping a rod body between the sampling end and the handheld end.

8. The saliva collection test card of claim 7, wherein the fixture block is disposed on an outer side of the sidewall away from the holding end, the engaging hole is disposed on the baffle plate, and the fixture block and the engaging hole cooperate to engage the sampling end of the sampling rod in the sample port.

9. The saliva collecting and testing card of claim 1 or 2, wherein the pressing plate is provided with a plurality of liquid inlet holes and a plurality of ribs, and the liquid inlet holes are arranged above the sample inlet area of the test strip.

10. A saliva collection test card according to claim 9, wherein the ribs are symmetrically disposed on both sides of the inlet opening.