CN210323041U

CN210323041U - Multi-link detection card

Info

Publication number: CN210323041U
Application number: CN201921076212.2U
Authority: CN
Inventors: 张鹭鹭; 田小强; 李先坤; 徐文茹
Original assignee: Zhengzhou Kodia Biotechnology Co ltd
Current assignee: Zhengzhou Kodia Biotechnology Co ltd
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2020-04-14
Anticipated expiration: 2029-07-10

Abstract

The utility model relates to a multiplex detection card, including the drain pan, the upper cover of lock above the drain pan and the test paper strip of setting in the drain pan, the center of drain pan is provided with the appearance cistern, the upper cover is provided with the centre bore corresponding to the appearance cistern, the cooperation is provided with the card section of thick bamboo on the appearance cistern, there is the first clearance that is not less than the test paper strip thickness between the outer wall of the body of bending and the inner wall of appearance cistern, there is the second clearance that is not less than the test paper strip thickness between the bottom face of the card section of thick bamboo wall and the top of appearance cistern; the utility model has the advantages of being simple in structure and easy in operation, put into the appearance cistern simultaneously with the one end of a plurality of test paper strips, use the fixed test paper strip of a card section of thick bamboo to stretch into the length and the angle of the part in appearance cistern, utilize the capillary action of test paper strip self to realize detecting in conducting sample liquid to the detection zone, through the test paper strip of the different variety of selection, can detect multinomial index simultaneously when only adding a sample.

Description

Multi-link detection card

Technical Field

The utility model belongs to colloidal gold immunochromatography detects field, concretely relates to it detects card to ally oneself with more.

Background

The colloidal gold immunochromatography is a rapid, simple, sensitive and visual method which can be used for on-site detection and is widely applied to clinical rapid detection. The colloidal gold immunochromatography method is characterized in that specific antigen or antibody is fixed on a membrane in a strip shape, a colloidal gold labeled reagent (antibody or monoclonal antibody) is adsorbed on a binding pad, when a sample to be detected is added on the sample pad at one end of a test strip, the sample moves forwards through capillary action, the colloidal gold labeled reagent on the binding pad is dissolved and reacts with each other, when the sample moves to a region of the fixed antigen or antibody, a combination of the object to be detected and the gold labeled reagent is specifically combined with the sample to be detected and trapped, the combination is gathered on a detection zone, and a color development result can be observed through naked eyes.

The detection card on the existing market is mostly single-phase index detection, if need carry on that multinomial index detects then need carry a plurality of detect reagent cards, comparatively inconvenient, though have the detection card of many joint forms of many cards on the market, but be relatively independent between each test paper strip, need add the sample in the application of sample district of each test paper strip alone during the detection, the user need carry out many times application of sample operation, comparatively inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of prior art and providing a need only add sample and can detect multinomial index's the detection card that ally oneself with more simultaneously.

The technical scheme of the utility model as follows:

the utility model provides a ally oneself with detection card more, includes the drain pan, lock in the upper cover of drain pan top and sets up the test paper strip in the drain pan, the center of drain pan is provided with the sample cistern, it is provided with the centre bore to correspond the sample cistern to cover on, the cooperation is provided with a card section of thick bamboo on the sample cistern, a card section of thick bamboo is worn to establish in the centre bore and the top end face of the outstanding upper cover in top of card section of thick bamboo, a card section of thick bamboo includes card section of thick bamboo wall, the sample addition mouth of being enclosed by card section of thick bamboo wall, the support component who is used for balanced support card section of thick bamboo wall and the body of bending of setting at card section of thick bamboo wall inboard, the body of bending stretches into in the sample cistern, there is the first clearance that is not less than test paper strip thickness between the outer wall of the body of bending and.

Furthermore, the supporting part is a supporting leg which is arranged at the bottom of the wall of the clamping cylinder in a balanced manner, and the minimum distance between every two adjacent supporting legs is not smaller than the width of the test strip.

Further, the supporting part is a supporting edge which is arranged outside the clamping cylinder wall in a centrosymmetric mode.

Further, the width of the first gap is 2-5 times of the thickness of the test strip.

Furthermore, the width of the second gap is 1.01-3 times of the thickness of the test strip.

Furthermore, the test paper strip is supported by a plurality of test paper supports which are arranged on the bottom surface of the bottom shell in a protruding mode.

Further, the outline shape of the sample solution groove in plan view is a circle or a regular polygon.

It should be noted that, the utility model provides a be the colloidal gold immunochromatographic test paper among the prior art, the observation window corresponds the color development district setting of test paper strip.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model has the advantages of being simple in structure and easy in operation, put into the appearance cistern simultaneously with the one end of a plurality of test paper strips, use the fixed test paper strip of a card section of thick bamboo to stretch into the length and the angle of the part in appearance cistern, utilize the capillary action of test paper strip self to realize detecting in conducting sample liquid to the detection zone, through the test paper strip of the different variety of selection, can detect multinomial index simultaneously when only adding a sample.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic cross-sectional view of the assembled top cover and bottom shell along the center line of the observation window according to the embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a card cylinder according to an embodiment of the present invention.

Fig. 4 is a schematic sectional view of a cartridge according to embodiment 1 of the present invention along the center line of the observation window.

Fig. 5 is a schematic sectional view of a cartridge according to embodiment 2 of the present invention, taken along the center line of the observation window.

In the figure, an upper cover 1, a flange 2, a card cylinder 3, an observation window 4, a central hole 5, a sample liquid groove 6, a test paper strip 7, a test paper holder 8, a tail card 9, a bending body 10, a sample adding port 11, a card cylinder wall 12, a supporting edge 13, a supporting leg 14, a bending groove 15, a bottom shell 16 and a thickening part 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

As shown in fig. 1 to 4, a multiplex detection card includes a bottom case 16, an upper cover 1 fastened above the bottom case 16, and a test strip 7 disposed in the bottom case 16, a sample liquid tank 6 is disposed at the center of the bottom case 16, a central hole 5 is disposed on the upper cover 1 corresponding to the sample liquid tank 6, a clamping cylinder 3 is disposed on the sample liquid tank 6 in a matching manner, the clamping cylinder 3 is disposed in the central hole 5 in a penetrating manner, and the top end of the clamping cylinder 3 protrudes out of the top end surface of the upper cover 1, the clamping cylinder 3 includes a clamping cylinder wall 12, a sample injection port 11 surrounded by the clamping cylinder wall 12, a supporting component for supporting the clamping cylinder wall 12 in a balanced manner, and a bending body 10 disposed inside the clamping cylinder wall 12, the bending body 10 extends into the sample liquid, a first gap which is not smaller than the thickness of the test strip 7 is formed between the outer wall of the bending body 10 and the inner wall of the sample liquid groove 6, and a second gap which is not smaller than the thickness of the test strip 7 is formed between the bottom end face of the card cylinder wall 12 and the top end of the sample liquid groove 6.

As shown in FIG. 2, when the test strip 7 is attached, first, the end of the test strip 7 near the sample application region is bent slightly downward or allowed to naturally hang down in the sample solution tank 6, and then the cartridge 3 is attached to the sample solution tank 6 so that the end of the test strip 7 is kept bent, and after the sample solution is added to the sample solution tank 6, the test strip 7 can take in the sample solution from one end thereof to perform detection and analysis.

The overlook outline shape of the sample liquid groove 6 is a circle or a regular polygon; preferably, the shape of the sample solution tank 6 is regular polygon, such as regular triangle, square, and regular pentagon, and one test strip 7 is correspondingly disposed on each side surface of the sample solution tank 6.

As shown in fig. 2, preferably, the test strips 7 are supported by a plurality of test strip holders 8 protruding from the bottom surface of the bottom case 16, and the test strip holders 8 are arranged radially around the sample solution tank 6; preferably, a tail card 9 is provided on the bottom surface of the bottom shell 16 opposite the end of the test strip holder 8, and the end of the test strip 7 preferably abuts the tail card 9 to secure the test strip 7 in place.

The width of the first gap is 2-5 times of the thickness of the test strip 7, so that the test strip 7 can pass through the first gap and reserve enough space for bending the test strip 7, and the test strip 7 is prevented from generating serious creases to influence the capillary diffusion effect.

The width of the second gap is 1.01-3 times of the thickness of the test strip 7, so that the position of the test strip 7 is approximately fixed.

The first gap and the second gap are channels which substantially shape the bent part of the test strip 7, so as to ensure that one end of the test strip 7 can be always kept in the sample liquid groove 6; the L-shaped bending body 10 may be provided so that a part of the bending body 10 is separated from the surface of the sample solution tank wall, or the plate-shaped bending body 10 may be provided and the turning groove 15 may be formed on the surface of the bending body 10 facing the sample solution tank wall to form the first gap.

Preferably, as shown in fig. 3 and 4, the support parts are support legs 14 evenly arranged at the bottom of the cartridge wall 12, and the minimum distance between two adjacent support legs 14 is not less than the width of the test strip 7, so that one end of the test strip 7 can penetrate out from between two adjacent support legs 14; the length of the support leg 14 is slightly larger than the height of the sample liquid groove 6 to support the cartridge wall 12 to leave the top end of the sample liquid groove 6 to form a second gap, and when the support leg 14 is used as the support of the cartridge wall 12, the requirement that the size of the support leg 14 is smaller than the wall thickness of the cartridge wall 12 is also met, or a thickening part 17 is additionally arranged at the bottom edge of the cartridge wall 12 to enlarge the area of the bottom end surface of the cartridge wall 12 to form the second gap.

Preferably, a flange 2 is provided around the top edge of the observation window 4 to prevent liquid on the surface of the upper cover 1 from flowing into the observation window 4 and affecting the observation result.

Example 2

This example is another embodiment based on example 1, and the description of the same technical solution as in example 1 will be omitted, and only the technical solution different from example 1 will be explained.

As shown in fig. 1 to 3 and 5, in the present embodiment, the support member is a support edge 13 disposed outside the chuck wall 12 in a central symmetry manner.

As shown in fig. 5, the supporting edge 13 is disposed at the outer side of the cartridge wall 12 in a protruding manner, and the supporting edge 13 is spaced from the bottom end of the cartridge wall 12 by a certain distance, so that the cartridge 3 can be directly supported and mounted on the wall of the sample liquid tank 6 through the supporting edge 13, and meanwhile, a test strip through hole or a test strip through groove is disposed at the top end of the sample liquid tank 6, so that the test strip 7 can pass through the sample liquid tank 6; the strip perforation or the strip through groove corresponds to the second gap in example 1.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a ally oneself with detection card more, includes drain pan (16), lock in upper cover (1) of drain pan (16) top and set up test paper strip (7) in drain pan (16), its characterized in that: a sample liquid groove (6) is arranged at the center of the bottom shell (16), a central hole (5) is arranged on the upper cover (1) corresponding to the sample liquid groove (6), the sample liquid groove (6) is provided with a clamping cylinder (3) in a matching way, the clamping cylinder (3) is arranged in the central hole (5) in a penetrating way, the top end of the clamping cylinder (3) protrudes out of the top end surface of the upper cover (1), the clamping cylinder (3) comprises a clamping cylinder wall (12), a sample adding opening (11) surrounded by the clamping cylinder wall (12), a supporting part for uniformly supporting the clamping cylinder wall (12), and a bending body (10) arranged on the inner side of the clamping cylinder wall (12), the bending body (10) extends into the sample liquid groove (6), a first gap which is not less than the thickness of the test strip (7) is arranged between the outer wall of the bending body (10) and the inner wall of the sample liquid groove (6), and a second gap which is not smaller than the thickness of the test strip (7) is formed between the bottom end surface of the clamping cylinder wall (12) and the top end of the sample liquid groove (6).

2. A multiple-link detection card as claimed in claim 1, wherein: the support component is a support leg (14) which is arranged at the bottom of the clamping cylinder wall (12) in a balanced manner, and the minimum distance between every two adjacent support legs (14) is not smaller than the width of the test strip (7).

3. A multiple-link detection card as claimed in claim 1, wherein: the supporting component is a supporting edge (13) which is arranged outside the clamping cylinder wall (12) in a central symmetry manner.

4. A multiple-link detection card as claimed in claim 1, wherein: the width of the first gap is 2-5 times of the thickness of the test strip.

5. A multiple-link detection card as claimed in claim 1, wherein: the width of the second gap is 1.01-3 times of the thickness of the test strip.

6. A multiple-link detection card as claimed in claim 1, wherein: the test paper strip (7) is supported by a plurality of test paper holders (8) which are arranged on the bottom surface of the bottom shell (16) in a protruding mode.

7. A multiple-link detection card as claimed in claim 1, wherein: the shape of the outline of the sample liquid groove (6) in plan view is circular or regular polygon.