Test strip for fluorescence immunochromatography detection

Abstract

The utility model relates to the technical field of test strips, in particular to a test strip for fluorescence immunochromatography detection, which comprises a shell, a fixed plate, a hinged plate, an observation plate, a handle, a first elastic piece and the like, the upper side and the rear side of the shell are open, a fixing plate is connected to the shell, a hinged plate is hinged to the shell, observation plates are connected to the fixing plate and the hinged plate, a gap facilitating marking of the test strip body is reserved between the hinged plate and the opening in the upper side of the shell, and a handle is connected to the hinged plate. A first elastic piece is connected to the hinged joint of the hinged plate and the shell. The test strip is provided with the shell, the fixed plate, the hinged plate and the handle, the test strip body is marked from the gap between the hinged plate and the opening in the upper side of the shell, the hinged plate and the fixed plate can protect the test strip body, and the test strip body is prevented from being polluted during marking or sample dripping; and the shell is prevented from sliding on the desktop when being pressed by a hand.

Description

TECHNICAL FIELD

[0001] The utility model relates to a test strip technical field especially for a test strip for fluorescent immunoassay method detection. BACKGROUND

[0002] The test strip for fluorescent immunoassay method detection is a kind of rapid, simple and sensitive diagnostic tool, is widely used in disease screening, food safety and environmental monitoring etc. It is based on antigen-antibody specific binding principle, and the qualitative or quantitative detection of specific substance is realized by the combination of fluorescent marker and target molecule. When using, sample is added dropwise to sample pad, sample liquid moves forward by capillary action, and is combined with fluorescent marker on binding pad, then continues to migrate to detection line, and reacts with pre-coated antibody / antigen, forms complex and produces fluorescence signal, and the fluorescence intensity can be quantitatively analyzed by special reading equipment, to judge the existence and concentration level of target substance in sample.

[0003] In the application process of existing fluorescent immunoassay method detection test strip, usually mark on test strip with marker pen to distinguish different samples or record relevant information. When marking with marker pen, if operation is improper, ink can overflow or penetrate into test strip, which can contaminate test strip and cause its failure. When holding test strip with hand to facilitate marking or sample dropping, grease, sweat or other contaminants on hand can be transferred to test strip surface, especially the key reaction area, such as sample pad, binding pad and detection line, which can also affect the accuracy of detection. UTILITY MODEL CONTENT

[0004] In order to overcome the defect that test strip is easily contaminated when marking or dropping sample by hand, the utility model aims at providing a test strip for fluorescent immunoassay method detection with protection function.

[0005] A test strip for fluorescent immunoassay method detection includes shell, fixed plate, observation plate, hinged plate, handle, first elastic member and pushing assembly, the upper side and rear side of shell are open, fixed plate is connected on shell, hinged plate is hingedly connected on shell, observation plate is connected on fixed plate and hinged plate, gap for marking test strip body is left between hinged plate and upper side opening of shell, handle is connected on hinged plate, first elastic member is connected at the hinged connection of hinged plate and shell, and pushing assembly is connected at the bottom of shell.

[0006] As the improvement of the above scheme, pushing assembly includes guide rod, U-shaped block and rotating plate, guide rod is connected at the bottom of shell, U-shaped block is slidably connected on guide rod, U-shaped block is slidably connected with shell, and rotating plate, which can only rotate ninety degrees, is hingedly connected at the bottom of U-shaped block.

[0007] As the improvement of the above-mentioned scheme, the pushing assembly further comprises support blocks, and the left and right sides of the outer wall of the shell are connected with the support blocks.

[0008] As the improvement of the above-mentioned scheme, the pushing assembly further comprises second elastic members and trapezoidal blocks, and the left and right sides of the inner wall of the shell are slidably connected with the trapezoidal blocks, and the second elastic members are connected between the trapezoidal blocks and the inner wall of the shell.

[0009] As the improvement of the above-mentioned scheme, the pushing assembly further comprises a limiting plate, and the inner bottom of the shell is connected with the limiting plate.

[0010] As the improvement of the above-mentioned scheme, the pushing assembly further comprises anti-skid pads, and the bottom of the shell is connected with at least one anti-skid pad.

[0011] Compared with the prior art, the utility model has the advantages that the utility model discloses a shell, a fixed plate, a hinged plate and a handle, the test strip body is marked from the gap between the hinged plate and the upper side opening of the shell, the hinged plate and the fixed plate can protect the test strip body, avoid the test strip body from being polluted when marking or dropping samples, and the anti-skid pad is arranged, so that the shell does not slide on the desktop when pressing the shell by hand. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0013] Figure 2 It is an opening schematic view of the hinged plate of the utility model.

[0014] Figure 3 It is a handle and a first elastic member structure schematic view of the utility model.

[0015] Figure 4 It is a shell, a support block and an anti-skid pad structure schematic view of the utility model.

[0016] Figure 5 It is a guide rod, a U-shaped block and a rotating plate structure schematic view of the utility model.

[0017] Figure 6 It is a second elastic member, a trapezoidal block and a limiting plate structure schematic view of the utility model.

[0018] The figure mark name: 1 - shell, 2 - fixed plate, 3 - observation plate, 4 - hinged plate, 5 - handle, 6 - first elastic member, 7 - guide rod, 8 - U-shaped block, 9 - rotating plate, 10 - second elastic member, 11 - trapezoidal block, 12 - support block, 13 - limiting plate, 14 - anti-skid pad, 15 - test strip body. DETAILED DESCRIPTION

[0019] The embodiments of the utility model are described in detail below with reference to the drawings.

[0020] A test strip for fluorescence immunochromatographic detection, such as Figures 1-6 As shown, it includes a shell 1, a fixing plate 2, an observation plate 3, a hinge plate 4, a handle 5, a first elastic element 6, a pushing assembly, a second elastic element 10, a trapezoidal block 11, a limiting plate 13, and an anti-slip pad 14. The upper and rear sides of the shell 1 are open. The fixing plate 2 is fixedly connected to the front top of the shell 1, and the hinge plate 4 is hinged to the middle top of the shell 1. Transparent observation plates 3 are fixedly connected to both the fixing plate 2 and the hinge plate 4. A gap is left between the hinge plate 4 and the upper opening of the shell 1 to facilitate marking the test strip body 15. A handle 5 is fixedly connected to the left side of the hinge plate 4. A first elastic element 6 is fixedly connected to the hinge connection of the outer shell 1. The first elastic element 6 is a torsion spring. A pusher assembly is connected to the bottom of the outer shell 1. Trapezoidal blocks 11 are slidably connected to both the left and right sides of the inner wall of the outer shell 1. The front and rear sides of the trapezoidal blocks 11 are both inclined. A second elastic element 10 is fixedly connected to the inner wall of the outer shell 1 on the side of the left and right trapezoidal blocks 11 that is far away from each other. The second elastic element 10 is a helical spring. Two limiting plates 13 are fixedly connected to the bottom of the inner shell 1. The two limiting plates 13 are symmetrically arranged on the left and right. Four anti-slip pads 14 are fixedly connected to the bottom of the outer shell 1.

[0021] At first, the first elastic member 6 and the second elastic member 10 are normal, when the test strip body 15 is needed to be used, the test strip body 15 is inserted between the left and right limiting plates 13 from the rear opening of the shell 1, the left and right limiting plates 13 can prevent the test strip body 15 from being displaced when being inserted into the shell 1, the test strip body 15 moves forward to press the rear side slope of the trapezoidal block 11, so that the left and right trapezoidal blocks 11 slide away from each other, the second elastic member 10 is pressed, when the test strip body 15 is away from the rear side slope of the left and right trapezoidal blocks 11, the side of the left and right trapezoidal blocks 11 close to each other is in close contact with the test strip body 15, under the elastic force of the second elastic member 10, the left and right trapezoidal blocks 11 press and fix the test strip body 15, when the test strip body 15 is located in the U-shaped groove of the U-shaped block 8, the sample pad of the test strip body 15 is located directly below the hinged plate 4, when the test strip body 15 needs to be marked, the shell 1 is placed flat on the table, the anti-skid pad 14 is in contact with the table, the anti-skid pad 14 can prevent the shell 1 from sliding on the table, the gap exposes the front side of the test strip body 15, the mark can be made on the front side of the test strip body 15 by using a marker, the hinged plate 4 and the fixed plate 2 can protect the test strip body 15, and the test strip can be observed through the observation plate 3, when the sample needs to be dropped on the sample pad of the test strip body 15 after marking, the handle 5 is pressed to make the hinged plate 4 rotate away from the shell 1, the first elastic member 6 is compressed, so that the sample pad of the test strip body 15 is exposed, and then the sample can be dropped on the sample pad, the handle 5 is released, the first elastic member 6 returns to the original state to make the hinged plate 4 rotate to reset, so that the test strip body 15 can be prevented from being contaminated when marking or dropping the sample.

[0022] As shown in Figure 1 , Figure 2 , Figure 4 , Figure 5 and Figure 6 , the pushing assembly comprises a guide rod 7, a U-shaped block 8, a rotating plate 9 and a supporting block 12, the guide rod 7 is fixedly connected to the bottom of the shell 1, the U-shaped block 8 is slidably connected to the guide rod 7, the rear side of the U-shaped block 8 is provided with a U-shaped groove matched with the test strip body 15, the U-shaped block 8 is slidably connected with the shell 1, the U-shaped block 8 penetrates through the shell 1, the rotating plate 9 is hingedly connected to the bottom of the U-shaped block 8 and can only rotate by ninety degrees, and the supporting blocks 12 are fixedly connected to the left and right sides of the outer wall of the shell 1.

[0023] When the shell 1 is placed on the desktop, the rotating plate 9 is parallel to the bottom of the shell 1, and the rotating plate 9 is higher than the non-slip pad 14, so that the front side of the shell 1 is not lifted by the contact between the rotating plate 9 and the desktop. When the test strip body 15 needs to be inserted into the fluorescence immunoassay analyzer, the shell 1 is lifted, the rear side of the shell 1 is aligned with the insertion port of the fluorescence immunoassay analyzer, the rotating plate 9 is rotated to be perpendicular to the bottom of the shell 1, the index finger and the middle finger are respectively placed on the rear side of the supporting block 12, the thumb is placed on the front side of the rotating plate 9, the U-shaped block 8 is moved backward along the guide rod 7 by pressing the rotating plate 9 with the thumb, in the process, the U-shaped block 8 extrudes the front side of the left and right trapezoidal blocks 11, the left and right trapezoidal blocks 11 are away from each other, the left and right trapezoidal blocks 11 are no longer in contact with the test strip body 15, the second elastic element 10 is compressed, and the left and right trapezoidal blocks 11 slide along the left and right outer walls of the U-shaped block 8. When the U-shaped block 8 is away from the left and right trapezoidal blocks 11, the second elastic element 10 restores to its original state to make the left and right trapezoidal blocks 11 close to each other, so that the test strip body 15 in the U-shaped groove can be moved backward and away from the shell 1. Therefore, the test strip body 15 can be pushed into the insertion port of the fluorescence immunoassay analyzer from the shell 1, so that the test strip body 15 can be detected through the insertion port of the fluorescence immunoassay analyzer, and the test strip body 15 is prevented from being contaminated when it is manually taken, the operation is convenient and fast, and after the test strip body 15 is separated from the shell 1, the rotating plate 9 can be moved forward by hand to reset.

[0024] The preferred embodiments of the utility model are described above, and it should be noted that those skilled in the art can make some improvements and refinements without departing from the principles of the utility model, and these improvements and refinements should also be regarded as the protection scope of the utility model.

Claims

1. A test strip for fluorescent immuno-chromatographic detection, characterized in that, The utility model relates to a test paper strip, including shell (1), fixed plate (2), observation plate (3), hinged plate (4), handle (5), first elastic part (6) and push material subassembly, the upper side and rear side of shell (1) are both open, and the upper connection of shell (1) has fixed plate (2), and the hinged connection of shell (1) has hinged plate (4), and the hinged plate (4) and shell (1) upper side open are left with the interval of the test paper strip body (15) and mark conveniently, and the upper connection of hinged plate (4) has handle (5), and the hinged connection of hinged plate (4) and shell (1) is connected with first elastic part (6), and the bottom connection of shell (1) has push material subassembly.

2. The test strip for fluorescent immuno-chromatographic assay according to claim 1, characterized in that, The push material subassembly includes guide rod (7), U-shaped block (8) and rotating plate (9), the bottom connection of shell (1) has guide rod (7), and the sliding type connection of guide rod (7) has U-shaped block (8), and the sliding connection of U-shaped block (8) and shell (1), and the hinged connection of U-shaped block (8) bottom has only the rotating ninety degrees of rotating plate (9).

3. The test strip for fluorescent immuno-chromatographic assay according to claim 2, characterized in that, The push material subassembly further includes support block (12), and the left and right sides of the outer wall of shell (1) are connected with support block (12).

4. The test strip for fluorescent immuno-chromatographic assay according to claim 3, characterized in that, The test paper strip further includes second elastic part (10) and trapezoidal block (11), and the left and right sides of the inner wall of shell (1) are slidingly connected with trapezoidal block (11), and the second elastic part (10) is connected between trapezoidal block (11) and the inner wall of shell (1).

5. The test strip for fluorescent immuno-chromatographic assay according to claim 4, characterized in that, The test paper strip further includes limiting plate (13), and the inner bottom of shell (1) is connected with limiting plate (13).

6. The test strip for fluorescent immuno-chromatographic assay according to claim 5, characterized in that, The test paper strip further includes non-slip pad (14), and the bottom of shell (1) is connected with at least one non-slip pad (14).

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