CN217901769U

CN217901769U - Quantitative reagent card

Info

Publication number: CN217901769U
Application number: CN202221815279.5U
Authority: CN
Inventors: 李健; 戚雨; 江兆伟; 姜佳佳; 陈金龙; 林珍; 朱筱梅; 金巍; 刘中华; 王国强
Original assignee: Jiangsu Bioperfectus Technologies Co ltd
Current assignee: Jiangsu Bioperfectus Technologies Co ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2022-11-25
Anticipated expiration: 2032-07-14

Abstract

The utility model provides a quantitative reagent card, comprising a lower shell, an upper shell cover and test paper, wherein the lower shell is internally provided with a mounting groove for accommodating the test paper, and the side surface of the lower shell is provided with a handheld part; an observation window and a sample adding hole are arranged on the upper shell cover, the position of the observation window corresponds to the position of a membrane strip of the detection test paper, and the position of the sample adding hole corresponds to the position of absorbent paper of the detection test paper; the internal reference column that is provided with down of inferior valve, upward be provided with the reference column on the cap, go up the reference column and peg graft the cooperation with reference column down, be provided with the joint groove on the lateral wall of inferior valve opening part, the week side of going up the cap is provided with the joint limit, and the joint groove is connected with joint limit joint. Through the cooperation on joint groove and joint limit, the block of cap and lower casing is gone up in the realization to location pressfitting through last reference column and reference column down has reduced the excessive pressure or the virtual problem of pressing of going up the cap, and through handheld portion, can reduce the hand mistake and touch the pollution problem that the application of sample district leads to, thereby help improving and detect the precision.

Description

Quantitative reagent card

Technical Field

The utility model relates to an external medical science detects technical field, specifically, relates to a quantitative reagent card.

Background

The reagent strip is a paper strip with dry chemical reagents for detecting chemical components in a liquid sample. When the liquid sample detection device is used, the reagent strip is placed in the liquid detection device, the reagent is dripped into the liquid sample detection device, and the reagent strip are subjected to chemical reaction, so that the detection of the liquid sample can be completed.

The reagent card is a detection card comprising an upper shell, a lower shell and a reagent strip, and the reagent strip is fixed in the middle through the sealing of the upper shell and the lower shell, so that the reagent card can be better applied to detection experiments.

The prior Chinese patent application with publication number CN204314299U discloses a fluorescence immunoassay reagent card, which comprises an upper shell cover, a lower shell and a reagent strip, wherein the upper shell cover and the lower shell seal the reagent strip to form the reagent card, and the fluorescence immunoassay reagent card is characterized in that the edge of the reagent card is provided with a groove which can be matched with a guide rail on the wall of a storage box, fix the reagent card and guide the reagent card to slide down; the bottom surface of the lower shell is provided with a groove, and the groove can enable the automatic loading device to hook out the reagent card from the storage box.

The situation that an upper shell cover and a lower shell of a reagent card in the prior art are in overvoltage or virtual pressure easily results in inaccurate fluorescent reading, reduces detection precision and has a part to be improved.

SUMMERY OF THE UTILITY MODEL

To the defects in the prior art, the utility model aims at providing a quantitative reagent card.

According to the utility model provides a quantitative reagent card, which comprises a lower shell, an upper shell cover and test paper, wherein the lower shell is internally provided with a mounting groove for accommodating the test paper, and the side surface of the lower shell is provided with a handheld part; an observation window and a sample adding hole are arranged on the upper shell cover, the position of the observation window corresponds to the position of a membrane strip of the detection test paper, and the position of the sample adding hole corresponds to the position of absorbent paper of the detection test paper; the internal reference column of being provided with down of inferior valve, upward be provided with the reference column on the cap, go up reference column and lower reference column grafting cooperation, be provided with the joint groove on the lateral wall of inferior valve body opening part, the week side of going up the cap is provided with the joint limit, the joint groove is connected with joint limit joint.

Preferably, the clamping groove is arranged along the peripheral side of the side wall at the opening of the lower shell, a connecting groove is also arranged on the side wall at the opening of the lower shell, and the connecting groove is communicated with the clamping groove; the joint edge is provided with the connection arch, the protruding embedding of connection the spread groove.

Preferably, the sampling hole gradually shrinks from one side far away from the detection test paper to one side close to the detection test paper, and the aperture of the sampling hole close to the detection test paper is smaller than the width of the detection test paper.

Preferably, a pressing column and/or a pressing strip are/is arranged on one side, close to the lower shell, of the upper shell cover, the pressing column is abutted to the detection test paper, and the pressing strip is abutted to the detection test paper.

Preferably, one side of the mounting groove, which accommodates the absorbent paper of the test paper, is provided with a tooth-shaped structure for fixing the test paper.

Preferably, a rib is arranged between the outer wall of the mounting groove and the bottom wall of the lower shell.

Preferably, the lower positioning column and the upper positioning column are in interference connection.

Preferably, the hand grip portion includes an arcuate face recessed toward the interior of the lower housing.

Preferably, the arc-shaped surface is provided with a convex point.

Preferably, an identification line is arranged at the observation window of the upper shell cover, and an ID information area is further arranged on the side surface of the upper shell cover, which is far away from the lower shell body.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a cooperation on the joint groove of casing and the joint limit of last cap down realizes the block of cap and lower casing to location pressfitting through last reference column and lower reference column helps reducing the excessive pressure or the virtual problem of pressing of going up the cap, and through setting up the handheld portion of casing side under, can reduce the hand mistake and touch the pollution problem that the application of sample district leads to, thereby help improving and detect the precision.

2. The utility model discloses a setting is protruding in the connection of joint edge, helps improving the convenience of going up cap and lower casing installation or dismantlement.

3. The utility model discloses a set up the rib between the lateral wall of mounting groove and the inner wall of casing down, help increasing the structural strength of casing down, reduce the reagent card and take place phenomenons such as crooked perk.

4. The utility model discloses a set up the application of sample hole into the ellipse, make the application of sample hole be close to test paper's aperture and be less than test paper's width to can annotate more samples, and can prevent that the sample is excessive.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic view of the overall structure of a reagent card according to the present invention;

fig. 2 is an explosion diagram of the overall structure of the reagent card according to the present invention;

FIG. 3 is a schematic view of the overall structure of the test paper of the present invention;

fig. 4 is a schematic view of the present invention mainly embodying the structure of the back surface of the upper housing cover;

fig. 5 is a top view of the lower housing of the present invention.

Reference numerals are as follows:

upper shell cover 1 press column 11

Detection test paper 2 absorbent paper 12

Lower shell 3 membrane strip 13

Upper positioning column 4 filtering sample pad 14

Viewing window 5 ribs 15

Sample hole 6 salient point 16

Lower positioning column 7 clamping groove 17

Mounting groove 8 clamping edge 18

Connecting projection 19 of hand-held part 9

Connecting groove 20 of press bar 10

Detailed Description

The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one of ordinary skill in the art without departing from the spirit of the invention. All of which belong to the protection scope of the present invention.

As shown in fig. 1, 2 and 3, according to the utility model provides a quantitative reagent card, including casing 3, upper cover 1 and test paper 2 down, be provided with the mounting groove 8 that holds test paper 2 in the casing 3 down, and the side of casing 3 is provided with handheld portion 9 down. The upper shell cover 1 is provided with an observation window 5 and a sample adding hole 6, the detection test paper 2 comprises absorbent paper 12, a membrane strip 13 and a sample filtering pad 14, the position of the observation window 5 corresponds to the position of the membrane strip 13 of the detection test paper 2, and the position of the sample adding hole 6 corresponds to the position of the absorbent paper 12 of the detection test paper 2.

Be provided with down reference column 7 in the lower casing 3, go up and be provided with reference column 4 on cap 1, go up reference column 4 and the cooperation of pegging graft of reference column 7 down, be provided with joint groove 17 on the lateral wall of lower casing 3 opening part, go up the week side of cap 1 and be provided with joint limit 18, joint groove 17 is connected with joint limit 18 joint.

As shown in fig. 2, 4 and 5, specifically, the lower housing 3 and the upper housing cover 1 are both integrally formed, the lower housing 3 is a cavity with one side open, and the upper housing cover 1 is a plate-shaped structure. The integrated into one piece is surveyed along the week of casing 3 opening part lateral wall down in joint groove 17 has a week, still is provided with spread groove 20 on the lateral wall of casing 3 opening part down, spread groove 20 and joint groove 17 intercommunication, integrated into one piece has connecting protrusion 19 on the joint limit 18. When the lower shell 3 is clamped with the upper shell cover 1, the clamping edge 18 is embedded into the clamping groove 17, and the connecting bulge 19 is embedded into the connecting groove 20. When needs are with the two separation of casing 3 and last casing 1 down, the staff can be through digging and move connecting protrusion 19 with the separation of casing 1 and casing 3 down, improved the convenience of casing 3 and the installation of last casing 1 or dismantlement down.

More specifically, lower reference column 7 is connected with the two interference of last reference column 4, and through lower reference column 7 and the two cooperation of last reference column 4, play the positioning action when casing 3 and the two joint of last cap 1 target in place down, it is spacing at the inner chamber of casing 3 down to make, and the position of cap 1 installation cap down keeps unanimous throughout at every turn in the assurance. Thereby the problem of excessive pressure or virtual pressure between lower casing 3 and the upper shell cover 1 has been solved, and then the accuracy of fluorescence reading has been improved.

One possible implementation is: the lower positioning columns 7 are eight integrally formed on the inner wall of the lower shell 3 opposite to the upper shell cover 1, and the eight lower positioning columns 7 are divided into two groups which are symmetrical left and right along the width direction of the lower shell 3. An upper positioning column 4 is integrally formed at the position of the upper shell cover 1 corresponding to any lower positioning column 7. With the help of being lower reference column 7 and upper reference column 4 of symmetry setting, can improve the stability of structure.

As shown in fig. 2, 4 and 5, further, the side wall of the mounting groove 8 is of a thin plate structure, the mounting groove 8 is integrally formed in the middle of the bottom wall of the lower housing 3, and the length direction of the mounting groove 8 is parallel to the length direction of the lower housing 3. One side of the mounting groove 8 for containing the absorbent paper 12 of the detection test paper 2 is integrally formed with a tooth-shaped structure for fixing the detection test paper 2, and the detection test paper 2 is limited by the tooth-shaped structure, so that the detection test paper 2 can be stably contained in the mounting groove 8, and the uniform and consistent chromatography flow rate of the detection test paper 2 can be ensured. A rib 15 is connected between the outer wall of the mounting groove 8 and the bottom wall of the lower shell 3. Ribs 15 are the symmetry setting in casing 3 down, can increase casing 3's structural strength down, reduce the reagent card and take place phenomenons such as crooked perk.

Still further, one side that goes up the cap 1 and be close to lower casing 3 is provided with compression leg 11 and/or layering 10, and this application adopts the scheme that compression leg 11 and layering 10 cooperate and uses, and when upper cap 1 and lower casing 3 two joint target in place, compression leg 11 and layering 10 two contradict with test paper 2 respectively, have improved the stability of test paper 2 in mounting groove 8, and compression leg 11 and layering 10 two can not produce the interference to observation window 5, application of sample hole 6.

The sampling hole 6 is of an oval groove-shaped structure, the sampling hole 6 gradually shrinks from one side away from the detection test paper 2 to one side close to the detection test paper 2, and the aperture of the sampling hole 6 close to the detection test paper 2 is smaller than the width of the detection test paper 2, so that more samples can be injected, and the samples can be prevented from overflowing.

The observation window 5 department of going up cap 1 is provided with the identification line, and the identification line includes C line and T line, and the side that goes up cap 1 and deviates from lower casing 3 still is provided with the ID information district.

Further, the hand-held portion 9 is located on the side of the lower case 3 close to the absorbent paper 12 of the test strip 2, and the hand-held portion 9 is provided one on each of the left and right sides in the width direction of the lower case 3. Specifically, handheld portion 9 includes the arcwall face of casing 3 inside sunken down, and is provided with bump 16 on the arcwall face, can increase handheld portion 9's frictional force through arcwall face and bump 16. The staff can pick up or put down the reagent card by holding the hand-held part 9 at the side of the lower casing 3. The problem of the pollution that the card sample loading area leads to is got to the card step loaded down with trivial details and upper and lower card holder hand can be touched by mistake to the card is solved, the deviation because of the inconvenient bringing of equipment in can reducing the experiment, also can save check-out time, improve and detect precision and detection efficiency.

Working sourceTheory of things

During installation, the detection test paper 2 is horizontally placed in the installation groove 8, and then the upper shell cover 1 is clamped on the lower shell body 3, so that the detection test paper 2 is stably clamped; during the detection, the staff takes the reagent card through the handheld part 9, so that the pollution problem caused by mistakenly touching the sample adding area by the hand can be reduced, and the detection precision and the detection efficiency are improved.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, are not to be construed as limiting the present application.

The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims

1. A quantitative reagent card is characterized by comprising a lower shell (3), an upper shell cover (1) and detection test paper (2), wherein an installation groove (8) for accommodating the detection test paper (2) is formed in the lower shell (3), and a handheld part (9) is arranged on the side surface of the lower shell (3);

an observation window (5) and a sample adding hole (6) are arranged on the upper shell cover (1), the position of the observation window (5) corresponds to the position of a membrane strip (13) of the detection test paper (2), and the position of the sample adding hole (6) corresponds to the position of absorbent paper (12) of the detection test paper (2);

be provided with down reference column (7) in casing (3) down, it goes up reference column (4) to be provided with on cap (1), go up reference column (4) and down reference column (7) cooperation of pegging graft, be provided with joint groove (17) on the lateral wall of casing (3) opening part down, the week side of going up cap (1) is provided with joint limit (18), joint groove (17) are connected with joint limit (18) joint.

2. The quantitative reagent card of claim 1, wherein the card slot (17) is arranged along the circumference of the side wall of the opening of the lower shell (3), the side wall of the opening of the lower shell (3) is further provided with a connecting slot (20), and the connecting slot (20) is communicated with the card slot (17);

the clamping edge (18) is provided with a connecting bulge (19), and the connecting bulge (19) is embedded into the connecting groove (20).

3. The quantitative reagent card of claim 1, wherein the well (6) has an oval shape, the well (6) is gradually narrowed from a side away from the strip (2) to a side close to the strip (2), and the diameter of the well (6) close to the strip (2) is smaller than the width of the strip (2).

4. The quantitative reagent card of claim 1, wherein a pressing column (11) and/or a pressing strip (10) are/is arranged on one side of the upper shell cover (1) close to the lower shell (3), the pressing column (11) is abutted with the test paper (2), and the pressing strip (10) is abutted with the test paper (2).

5. The quantitative reagent card of claim 1, wherein one side of the mounting groove (8) receiving the absorbent paper (12) of the test paper (2) is provided with a tooth structure for fixing the test paper (2).

6. The quantitative reagent card of claim 1, wherein a rib (15) is provided between the outer wall of the mounting groove (8) and the bottom wall of the lower housing (3).

7. The dosing reagent card according to claim 1, characterized in that the lower positioning column (7) is connected with the upper positioning column (4) in an interference fit.

8. A dosing reagent card according to claim 1, characterised in that the hand-held part (9) comprises an arc-shaped face which is concave towards the inside of the lower housing (3).

9. The dosing reagent card according to claim 8, characterised in that the arcuate face is provided with raised dots (16).

10. A quantitative reagent card according to claim 1, characterised in that the upper housing cover (1) is provided with an identification line at the viewing window (5), and the side of the upper housing cover (1) facing away from the lower housing (3) is further provided with an ID information area.