CN219997097U

CN219997097U - Detect reagent equipment

Info

Publication number: CN219997097U
Application number: CN202320889388.XU
Authority: CN
Inventors: 蒋剑; 金晔; 陶敬伟
Original assignee: Shanghai Mohe Biotechnology Co ltd
Current assignee: Shanghai Mohe Biotechnology Co ltd
Priority date: 2023-04-19
Filing date: 2023-04-19
Publication date: 2023-11-10
Anticipated expiration: 2033-04-19

Abstract

The utility model relates to a detection reagent device, which comprises a test strip bracket, an LFIA test strip, a shell and a reagent guiding device; the whole test strip support is in a regular prism shape, each side face of the test strip support is connected with an LFIA test strip, and the LFIA test strip is provided with a test area and a display area; the inside of the shell is provided with a containing cavity matched with the test strip support, the containing cavity is in a regular prism shape, each side surface of the shell is provided with an observation window communicated with the containing cavity, the test strip support is inserted into the containing cavity, and the display area is positioned under the observation window; the reagent guiding device is in a regular prismatic shape as a whole, each side surface of the reagent guiding device is provided with a containing groove, and the bottom of the containing groove is provided with a drainage hole; one end face of the reagent guiding device is provided with a bracket mounting opening, one end of the test strip bracket is inserted into the bracket mounting opening, and the test area is positioned right below the drainage hole.

Description

Detect reagent equipment

Technical Field

The utility model relates to the technical field of lateral flow immunochromatography, in particular to a detection reagent device.

Background

Lateral flow immunochromatography (lateral flow immunochromatography assay, LFIA) is a classical point-of-care detection technique (point of care testing, POCT) based on antigen, antibody immune reactions; initially, researchers used gold nanoparticles to prepare chromatographic test strips for the detection of human chorionic gonadotrophin in urine, known as colloidal gold. However, the detection result depends on manual interpretation, and has low detection sensitivity and high false negative rate. Then, some instruments for simply collecting and processing the chromatographic membrane appear successively, and LFIA result interpretation realizes automatic and semi-quantitative analysis.

In recent years, LFIA has been developed, and the detection performance has been greatly improved, and the transition to quantitative detection has been gradual, and the detection of various samples (such as whole blood, plasma, sweat, saliva, urine, etc.) has been achieved.

However, the method has the defects of expensive instrument and equipment, long time consumption, high cost, and difficulty in real-time and rapid detection because of the need of professional technicians. Therefore, it is important to develop a rapid, sensitive, accurate, efficient and low-cost detection means.

The foregoing description is provided for general background information and does not necessarily constitute prior art.

Disclosure of Invention

The utility model aims to provide a detection reagent device which is rapid, sensitive, accurate, efficient and low in cost.

The utility model provides a detection reagent device, which comprises a test strip bracket, an LFIA test strip, a shell and a reagent guiding device; the test strip support is in a regular prism shape as a whole, each side face of the test strip support is connected with an LFIA test strip, and a test area and a display area are arranged on the LFIA test strip; the inside of the shell is provided with a containing cavity matched with the test strip support, the containing cavity is in a regular prism shape, each side face of the shell is provided with an observation window communicated with the containing cavity, the test strip support is inserted into the containing cavity, and the display area is located under the observation window; the reagent guiding device is in a regular prismatic shape as a whole, each side face of the reagent guiding device is provided with a containing groove, and the bottom of the containing groove is provided with a drainage hole; a support mounting opening is formed in one end face of the reagent guiding device, one end of the test strip support is inserted into the support mounting opening, and the test area is located right below the drainage hole.

Further, the test strip holder and the reagent guiding means are in the shape of a regular quadrangular prism or a regular hexagonal prism or a regular octaprism or a regular dodecaprism.

Further, a connecting slot is provided on each side of the test strip holder, and the LFIA test strip is disposed in the connecting slot.

Further, the detection reagent device further comprises a handle connected to an end face of the reagent guiding device away from the bracket mounting port.

Further, a bar code is also provided on each side of the test strip holder, the bar code containing information regarding LFIA test type, calibration, interpretation scope, and lot number.

Further, the detection reagent device further comprises a guide block, the whole guide block is cuboid, and each side face of the guide block is provided with a protrusion.

The utility model also provides a reader special for the handheld detection reagent, which is applied to the detection reagent equipment and comprises a reader shell, a top cover, a bottom cover and a circuit board; the reader shell is integrally tubular, the circuit board is arranged in the reader shell, the bottom cover is connected to the opening at one end of the reader shell, and the top cover is connected to the opening at the other end of the reader shell; the middle part of the top cover is provided with a guide opening.

Further, anti-skid lines are arranged on the surface of the reader shell.

Further, a display lamp and a display screen are arranged on the surface of the reader shell.

Further, the circuit board comprises a plurality of measuring circuit boards, a main board and a power supply connecting plate, wherein the measuring circuit boards, the main board and the power supply connecting plate are connected through a wire row; the bar code scanner is arranged on the measuring circuit board and comprises a light source, a light sensor and a data amplifier; and the main board is provided with a processor and a data memory, and the power supply connecting plate is provided with a lithium battery.

Further, the handheld detection reagent special reader further comprises a wireless communication device, and the wireless communication device is installed on the main board.

Further, the number of the measuring circuit boards is four, the measuring circuit boards are rectangular, two adjacent measuring circuit boards are perpendicular to each other, two opposite measuring circuit boards are parallel to each other, and the two adjacent measuring circuit boards are connected through a line row.

Further, the main board and the power connection board are integrally rectangular, the main board is perpendicular to the power connection board, the main board is connected with the power connection board through a line row, and the main board is connected with the measurement circuit board through a line row.

Further, the circuit board further comprises a switch circuit board, the switch circuit board is perpendicular to the main board, the switch circuit board is connected with the main board through a line row, and a starting button is arranged on the switch circuit board.

According to the detection reagent equipment, the whole test strip support is in a regular prism shape, and each side face of the test strip support is connected with the LFIA test strip, so that a plurality of marks/test lines can be executed/read at a plurality of positions during LFIA test; the detection is quick, sensitive, accurate, efficient and low in cost; the handheld reader special for detecting the reagent can intuitively watch the LFIA test type, calibration, interpretation range and batch number; among the four measurement circuit boards, two adjacent measurement circuit boards are mutually perpendicular, two opposite measurement circuit boards are mutually parallel, the mainboard and the power connection plate are mutually perpendicular, and the switch circuit board and the power connection plate are mutually perpendicular, so that the installation stability of the circuit boards is improved.

Drawings

Fig. 1 is a schematic structural view of a test strip holder of a detection reagent device according to an embodiment of the present utility model.

Fig. 2 is a schematic diagram of the structure of an LFIA test strip of the detection reagent device of fig. 1.

FIG. 3 is a schematic diagram of the structure of the LFIA test strip, test strip holder of the detection reagent apparatus of FIG. 1.

FIG. 4 is a schematic diagram of the LFIA test strip, test strip holder combination of the detector reagent apparatus of FIG. 1.

Fig. 5 is a schematic view showing the structure of a reagent guiding apparatus of the reagent detecting apparatus of fig. 1.

FIG. 6 is a schematic diagram of the structure of the test strip holder and the reagent guiding device of the reagent detection device of FIG. 1.

Fig. 7 is a schematic structural diagram of a detection reagent device according to an embodiment of the present utility model.

Fig. 8 is a schematic diagram of another structure of a detection reagent apparatus according to an embodiment of the present utility model.

Fig. 9 is a schematic structural diagram of a reader special for a handheld detection reagent according to an embodiment of the present utility model.

Fig. 10 is a schematic structural diagram of a handheld reader special for detecting a reagent and a device for detecting a reagent according to an embodiment of the present utility model.

Fig. 11 is another schematic structural diagram of a handheld reader special for detecting a reagent and a device for detecting a reagent according to an embodiment of the present utility model.

Fig. 12 is a schematic structural diagram of a circuit board according to an embodiment of the present utility model.

Fig. 13 is a schematic view of another view structure of a circuit board according to an embodiment of the utility model.

Fig. 14 is a schematic plan view of a circuit board according to an embodiment of the present utility model.

Reference numerals and components referred to in the drawings are as follows:

1. test strip holder 11, connecting slot 12, bar code

2. LFIA test strip 21, test area 22, display area

3. Housing 31, accommodation chamber 32, and observation window

4. Reagent guide device 41, accommodation groove 42, and drainage hole

43. Bracket mounting port 5, handle 6 and guide block

61. Protrusion 7, reader housing 71, anti-slip pattern

72. Display lamp 73, display screen 8 and top cover

81. Guide opening 9, bottom cover 100, and circuit board

110. Measurement circuit board 111, barcode scanner 112, and light source

113. Photosensor 114, data amplifier 120, and motherboard

121. Processor 122, data memory 123, and wireless communication device

130. Power connection plate 131, lithium battery 140 and switch circuit board

141. Starting button

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

The terms first, second, third, fourth and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

Example 1

Fig. 1 is a schematic structural view of a test strip holder of a detection reagent apparatus according to an embodiment of the present utility model, fig. 2 is a schematic structural view of an LFIA test strip of the detection reagent apparatus according to fig. 1, fig. 3 is a schematic structural view of an LFIA test strip and a test strip holder of the detection reagent apparatus according to an embodiment of the present utility model, fig. 4 is a schematic structural view of an LFIA test strip and a test strip holder combination of the detection reagent apparatus according to an embodiment of the present utility model, fig. 5 is a schematic structural view of a reagent guiding device of the detection reagent apparatus according to an embodiment of the present utility model, fig. 6 is a schematic structural view of a test strip holder and a reagent guiding device of the detection reagent apparatus according to an embodiment of the present utility model, fig. 7 is a schematic structural view of a detection reagent apparatus according to an embodiment of the present utility model, and fig. 8 is another schematic structural view of a detection reagent apparatus according to an embodiment of the present utility model. Referring to fig. 1-8, a detection reagent apparatus provided in an embodiment of the present utility model includes a test strip holder 1, an LFIA test strip 2, a housing 3, and a reagent guiding device 4; the whole test strip support 1 is in a regular prismatic shape, each side face of the test strip support 1 is connected with an LFIA test strip 2, and a test area 21 and a display area 22 are arranged on the LFIA test strip 2; the inside of the shell 3 is provided with a containing cavity 31 matched with the test strip bracket 1, the containing cavity 31 is in a regular prismatic shape, each side surface of the shell 3 is provided with an observation window 32 communicated with the containing cavity 31, the test strip bracket 1 is inserted into the containing cavity 31, and the display area 22 is positioned right below the observation window 32; the reagent guiding device 4 is in a regular prismatic shape as a whole, each side surface of the reagent guiding device 4 is provided with a containing groove 41, and the bottom of the containing groove 41 is provided with a drainage hole 42; a support mounting opening 43 is formed in one end face of the reagent guiding device 4, one end of the test strip support 1 is inserted into the support mounting opening 43, and the test area 21 is located right below the drainage hole 42.

Further, the test strip holder 1 and the reagent guiding means 4 are in the shape of a regular quadrangular prism or a regular hexagonal prism or a regular octaprism or a regular dodecaprism; each side surface of the test strip bracket 1 is provided with a connecting groove 11, and the LFIA test strip 2 is arranged in the connecting groove 11; the detection reagent device further comprises a handle 5, wherein the handle 5 is connected to one end surface of the reagent guiding device 4 away from the bracket mounting opening 43; a bar code 12 is also provided on each side of the test strip holder 1, said bar code 12 containing information about LFIA test type, calibration, interpretation scope and lot number; the detection reagent apparatus further comprises a guide block 6, the guide block 6 is in a cuboid shape as a whole, and each side surface of the guide block 6 is provided with a protrusion 61.

The detection reagent device of the utility model is characterized in that the whole test strip bracket is in a regular prism shape, each side surface of the test strip bracket is connected with the LFIA test strip, so that a plurality of marks/test lines can be executed/read at a plurality of positions during LFIA test; the detection is quick, sensitive, accurate, efficient and low in cost.

Fig. 9 is a schematic structural diagram of a handheld reader for detecting a reagent according to an embodiment of the present utility model, fig. 10 is a schematic structural diagram of a handheld reader for detecting a reagent and a detecting reagent device according to an embodiment of the present utility model, fig. 11 is another schematic structural diagram of a handheld reader for detecting a reagent and a detecting reagent device according to an embodiment of the present utility model, fig. 12 is a schematic structural diagram of a circuit board according to an embodiment of the present utility model, fig. 13 is another schematic structural diagram of a view angle of a circuit board according to an embodiment of the present utility model, and fig. 14 is a schematic planar structural diagram of a circuit board according to an embodiment of the present utility model.

The utility model also provides a reader special for the handheld detection reagent, which comprises a reader shell 7, a top cover 8, a bottom cover 9 and a circuit board 100; the reader housing 7 is integrally tubular, the circuit board 100 is arranged in the reader housing 7, the bottom cover 9 is connected to an opening at one end of the reader housing 7, and the top cover 8 is connected to an opening at the other end of the reader housing 7; a guide opening 81 is provided in the middle of the top cover 8.

Further, an anti-slip line 71 is arranged on the surface of the reader housing 7; a display lamp 72 and a display screen 73 are also arranged on the surface of the reader housing 7; the circuit board 100 includes a plurality of measurement circuit boards 110, a motherboard 120, and a power connection board 130, where the measurement circuit boards 110, the motherboard 120, and the power connection board 130 are connected by a wire row; a bar code scanner 111 is mounted on the measurement circuit board 110, and the bar code scanner 111 includes a light source 112, a light sensor 113 and a data amplifier 114; the main board 120 is provided with a processor 121 and a data memory 122, and the power supply connection board 130 is provided with a lithium battery 131. The reader special for the handheld detection reagent further comprises a wireless communication device 123, wherein the wireless communication device 123 is arranged on the main board 120; the number of the measuring circuit boards 110 is four, the measuring circuit boards 110 are rectangular, in the four measuring circuit boards 110, two adjacent measuring circuit boards 110 are perpendicular to each other, two opposite measuring circuit boards 110 are parallel to each other, and the two adjacent measuring circuit boards 110 are connected through a line row; the main board 120 and the power connection board 130 are in a rectangular plate shape, the main board 120 and the power connection board 130 are perpendicular to each other, the main board 120 and the power connection board 130 are connected through a line row, and the main board 120 is connected with the measurement circuit board 110 through a line row; the circuit board 100 further includes a switch circuit board 140, the switch circuit board 140 and the power connection board 130 are perpendicular to each other, the switch circuit board 140 and the power connection board 130 are connected by a line, and a start button 141 is mounted on the switch circuit board 140.

It should be noted that, among the four measurement circuit boards 110, two adjacent measurement circuit boards 110 are perpendicular to each other, two opposite measurement circuit boards 110 are parallel to each other, the main board 120 and the power connection board 130 are perpendicular to each other, and the switch circuit board 140 and the power connection board 130 are perpendicular to each other, so as to improve the installation stability of the circuit board 100.

When the handheld reader special for detecting the reagent is used, detecting reagent equipment is inserted into the reader through the guide port 81, bar codes 12 on each side face of the test strip support 1 are scanned through the bar code scanner 111, and LFIA test types, calibration, interpretation ranges and batch numbers are identified through the bar codes 12.

Based on the above description, the utility model has the advantages that:

according to the detection reagent equipment, the whole test strip support is in a regular prism shape, and each side face of the test strip support is connected with the LFIA test strip, so that a plurality of marks/test lines can be executed/read at a plurality of positions during LFIA test; the detection is quick, sensitive, accurate, efficient and low in cost.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. A detection reagent device, which is characterized by comprising a test strip bracket (1), an LFIA test strip (2), a shell (3) and a reagent guiding device (4);

the test strip support (1) is integrally in a regular prismatic shape, each side face of the test strip support (1) is connected with an LFIA test strip (2), and a test area (21) and a display area (22) are arranged on the LFIA test strip (2);

an accommodating cavity (31) matched with the test strip support (1) is formed in the shell (3), the accommodating cavity (31) is in a regular prism shape, an observation window (32) communicated with the accommodating cavity (31) is formed in each side face of the shell (3), the test strip support (1) is inserted into the accommodating cavity (31), and the display area (22) is located right below the observation window (32);

the reagent guiding device (4) is in a regular prismatic shape as a whole, each side surface of the reagent guiding device (4) is provided with a containing groove (41), and the bottom of the containing groove (41) is provided with a drainage hole (42); a support mounting opening (43) is formed in one end face of the reagent guiding device (4), one end of the test strip support (1) is inserted into the support mounting opening (43), and the test area (21) is located right below the drainage hole (42).

2. The test reagent device according to claim 1, wherein the test strip holder (1) and the reagent guiding means (4) are in the form of a regular quadrangular prism or a regular hexagonal prism or a regular octaprism or a regular dodecaprism.

3. The test reagent device according to claim 1, wherein a connection slot (11) is provided on each side of the test strip holder (1), the LFIA test strip (2) being arranged in the connection slot (11).

4. The detector reagent device according to claim 1, further comprising a handle (5), the handle (5) being connected to an end face of the reagent guiding means (4) remote from the holder mounting opening (43).

5. The detection reagent device according to claim 1, wherein a bar code (12) is further provided on each side of the test strip holder (1), the bar code (12) containing information about LFIA test type, calibration, interpretation scope and lot number.

6. The detector reagent device according to claim 1, further comprising a guide block (6), the guide block (6) being generally rectangular parallelepiped, a protrusion (61) being provided on each side of the guide block (6).