CN216847473U

CN216847473U - Closed detection device

Info

Publication number: CN216847473U
Application number: CN202123106191.4U
Authority: CN
Inventors: 王洁; 陈婷婷; 王敏; 孙耀中; 陈旭强
Original assignee: Shanxi Ruihao Biotechnology Co ltd
Current assignee: Shanxi Ruihao Biotechnology Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-06-28
Anticipated expiration: 2031-12-07

Abstract

The application discloses confined detection device relates to external diagnosis technical field, including the card shell, the application hole has been seted up to card shell upside, is provided with detection area in the middle of the card shell, and one side of detection area is provided with the quality control region to the reaction test paper strip is installed to the lower extreme of card shell, and the reaction test paper strip that is located card shell lower floor's part includes mark zone, detection zone and quality control district, detection device when being used for having the sample detection of infectivity, test area all in the confined environment except that the sample hole, has reduced sample and external contact, has reduced the infectivity, uses safelyr, simultaneously confined detection device based on immunochromatography's principle, the confined dark environment can protect the not photic influence of marker, avoids the noise during the detection.

Description

Closed detection device

Technical Field

The utility model relates to an external diagnosis technical field specifically is a confined detection device.

Background

The in vitro diagnostic technique is a technique for obtaining clinical diagnostic information by detecting a human body sample (blood, body fluid, tissue, etc.) other than a human body, and determining a disease or a body function. However, some existing human body samples inevitably contain infectious substances, and if closed treatment is not carried out, the human body samples have potential infection risks.

SUMMERY OF THE UTILITY MODEL

In order to improve the above-mentioned problem, the utility model provides a closed detection device.

The utility model provides a confined detection device adopts following technical scheme:

a closed detection device comprises a card shell, wherein a sample adding hole is formed in the upper side of the card shell, a detection area is arranged in the middle of the card shell, a quality control area is arranged on one side of the detection area, and a reaction test strip is arranged at the lower end of the card shell;

the detection area comprises a first light source emitting system, a first light source receiving system, a first photoelectric conversion system and a first indicator light, and a first shading plate is arranged between the first light source emitting system and the first light source receiving system;

the quality control area comprises a second light source emitting system, a second light source receiving system, a second photoelectric conversion system and a second indicator light, and a second shading plate is arranged between the second light source emitting system and the second light source receiving system;

the reaction test strip positioned on the lower layer part of the card shell comprises a marking area, a detection area and a quality control area.

Alternatively, the detection area may have one or more strips, which are determined by the number of detection areas and have a one-to-one correspondence in position.

Optionally, the control region has only one stripe depending on the position of the control region.

Optionally, the label area is paved with a label capable of being combined with the analyte and a label capable of being combined with the quality control area.

Optionally, the label on the label region may be a fluorescent substance, such as fluorescein, quantum dot, nanoparticle, or a substance without fluorescence effect, such as colloidal gold, colored microsphere.

Alternatively, the label region may be a fluorescent substance or a non-fluorescent substance.

Optionally, a battery and a switch are disposed on the card housing.

To sum up, the utility model discloses a following at least one beneficial effect:

detection device when being used for having the sample of infectivity to examine time measuring, test the region except that the sample hole all in the confined environment, reduced sample and external contact, reduced the infection rate, use safelyr, simultaneously confined detection device based on immunochromatography's principle, the influence that closed dark environment can protect the marker not photic avoids the miscellaneous light to disturb during the detection.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a diagram of the structure of the reaction strip of the present invention;

fig. 3 is a schematic view of the card shell structure of the present invention.

Description of reference numerals:

1. clamping a shell; 11. a battery; 12. a switch; 2. a sample application hole; 3. detecting a region; 31. a first light source emitting system; 32. a first light shielding plate; 33. a first light source receiving system; 34. a first photoelectric conversion system; 35. A first indicator light; 4. a quality control region; 41. a second light source emitting system; 42. a second light shielding plate; 43. a second light source receiving system; 44. a second photoelectric conversion system; 45. a second indicator light; 5. reacting the test strip; 51. A marking region; 52. a detection zone; 53. and a quality control area.

Detailed Description

The present invention will be described in further detail with reference to fig. 1.

Referring to fig. 1, 2 and 3, a first embodiment is provided: a closed detection device comprises a card shell 1, a battery 11 and a switch 12 are arranged on the card shell 1, a sample adding hole 2 is arranged on the upper side of the card shell 1, a detection area 3 is arranged in the middle of the card shell 1, a quality control area 4 is arranged on one side of the detection area 3, a reaction test strip 5 is arranged at the lower end of the card shell 1, the detection area 3 comprises a first light source emitting system 31, a first light source receiving system 33, a first photoelectric conversion system 34 and a first indicator light 35, a first light baffle 32 is arranged between the first light source emitting system 31 and the first light source receiving system 33, the quality control area 4 comprises a second light source emitting system 41, a second light source receiving system 43, a second photoelectric conversion system 44 and a second indicator light 45, a second light baffle 42 is arranged between the second light source emitting system 41 and the second light source receiving system 43, the reaction test strip 5 positioned at the lower layer part of the card shell 1 comprises a marking area 51, the detection area 52 and the quality control area 53, the detection area 52 may have one or more bands, which are determined by the number of the detection areas 3 and have one-to-one correspondence positions, the quality control area 53 has only one band, which is determined by the position of the quality control area 4, the labeling area 51 is paved with a label that can be combined with the analyte and a label that can be combined with the quality control area 53, the labeling area 51 may be a fluorescent substance or a non-fluorescent substance, and the label on the labeling area 51 may be a fluorescent substance, such as fluorescein, quantum dots, nanoparticles, or a substance without a fluorescent effect, such as colloidal gold, or colored microspheres.

When the marker of the marking area 51 is a fluorescent substance, a proper amount of sample to be detected is dripped into the sample adding hole 2, the sample to be detected flows through the marking area 51 through chromatography, and then flows through the detection area 52 after being combined with the fluorescent marker, the fluorescent marker to be detected which can be combined with the detection area 52 is captured and retained in the detection area 52, the uncombined sample flows continuously, the substance which can be combined with the quality control area 53 is captured and retained through the quality control area 53, and the rest of the substances continuously flow to the tail end of the reaction test strip 5. The reaction process takes about 10-15 minutes, after the reaction is finished, the switch 12 on the card case 1 is pressed, the first light source emitting system 31, the second light source emitting system 41, the first light source receiving system 33, the second light source receiving system 43, the first photoelectric conversion system 34 and the second photoelectric conversion system 44 of the detection area 3 and the quality control area 4 are started, the first light source emitting system 31 and the second light source emitting system 41 emit light with specific wavelength to the detection area 52 and the quality control area 53, the detection area 52 and the quality control area 53 are captured by the first light source receiving system 33 and the second light source receiving system 43, and pass through the first photoelectric conversion system 34 and the second photoelectric conversion system 44, two groups of indicator lamps on the card case 1 are lighted, the second indicator lamp 45 on the quality control area 4 is lighted, which indicates that the detection device is operating normally, the first indicator light 35 on detection zone 3 is illuminated indicating that fluorescent labels are captured in detection zone 52.

Referring to fig. 1, 2 and 3, a second embodiment is provided:

the label region 51 may be a fluorescent substance or a non-fluorescent substance.

When the marker of the marking area 51 is a non-fluorescent substance, a proper amount of sample to be detected is dripped into the sample adding hole 2, the sample to be detected flows through the marking area 51 through chromatography, the sample to be detected continuously flows through the marking area 51 after being combined with the non-fluorescent marker and then continuously flows through the detection area 52, the non-fluorescent marker to be detected which can be combined with the detection area 52 is captured and retained in the detection area 52, the non-fluorescent marker which can be combined with the quality control area 53 continuously flows through the quality control area 53, and the rest continuously flows to the tail end of the reaction test strip 5. The reaction process takes about 10-15 minutes, after the reaction is finished, the switch 12 on the card case 1 is pressed, the first light source emitting system 31, the second light source emitting system 41, the first light source receiving system 33, the second light source receiving system 43, the first photoelectric conversion system 34 and the second photoelectric conversion system 44 of the detection area 3 and the quality control area 4 are started, the first light source emitting system 31 and the second light source emitting system 41 emit white light to the detection area 52 and the quality control area 53, the light of the non-fluorescent substance captured by the detection area 52 and the quality control area 53 is reflected by the non-fluorescent substance, is captured by the first light source receiving system 33 and the second light source receiving system 43 and passes through the first photoelectric conversion system 34 and the second photoelectric conversion system 44, two groups of indicator lamps on the card case 1 are lighted, the second indicator lamp 45 on the quality control area 4 is lighted, which shows that the detection device is operating normally, the first indicator lamp 35 on the detection area 3 is lighted, indicating that the non-fluorescent label is captured at the detection zone 52.

Above is the preferred embodiment of the utility model, not limit according to this the utility model discloses a protection scope, the event: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A closed detection device, comprising a cartridge (1), characterized in that: a sample adding hole (2) is formed in the upper side of the card shell (1), a detection area (3) is arranged in the middle of the card shell (1), a quality control area (4) is arranged on one side of the detection area (3), and a reaction test strip (5) is arranged at the lower end of the card shell (1);

the detection area (3) comprises a first light source emitting system (31), a first light source receiving system (33), a first photoelectric conversion system (34) and a first indicator lamp (35), and a first light shielding plate (32) is arranged between the first light source emitting system (31) and the first light source receiving system (33);

the quality control area (4) comprises a second light source emitting system (41), a second light source receiving system (43), a second photoelectric conversion system (44) and a second indicator lamp (45), and a second shading plate (42) is arranged between the second light source emitting system (41) and the second light source receiving system (43);

the reaction test strip (5) positioned on the lower layer part of the card shell (1) comprises a marking area (51), a detection area (52) and a quality control area (53).

2. A closed detection device according to claim 1, wherein: the detection zones (52) may have one or more strips, which are determined by the number of detection zones (3) and have a one-to-one correspondence in position.

3. A closed detection device according to claim 1, wherein: the quality control region (53) has only one strip, which is determined by the position of the quality control region (4).

4. A closed detection device according to claim 1, wherein: the label area (51) is paved with a label which can be combined with the substance to be detected and a label which can be combined with the quality control area (53).

5. A closed detection device according to claim 1, wherein: the label on the label area (51) can be a fluorescent substance or a substance without fluorescence effect.

6. A closed detection device according to claim 1, wherein: the label area (51) may be a fluorescent substance or a non-fluorescent substance.

7. A closed detection device according to claim 1, wherein: the clamping shell (1) is provided with a battery (11) and a switch (12).