An enzyme label meter for fecal hemoglobin

By introducing an odor-removing structure and well plate support into the microplate reader, and using a negative pressure chamber and exhaust fan to adsorb odorous gases, combined with a sliding support and slider design, the problems of odor diffusion and inconvenient sample placement in fecal sample testing are solved, achieving an efficient, pollution-free testing environment and accurate results.

CN224303695UActive Publication Date: 2026-05-29CHONGQING MIDEA BIOTECHNOLOGY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHONGQING MIDEA BIOTECHNOLOGY CO LTD
Filing Date
2025-04-17
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Existing ELISA readers for fecal hemoglobin cannot prevent the odor generated during testing from escaping, making it inconvenient to place fecal samples stably and affecting the hygiene and accuracy of the testing environment.

Method used

An ELISA reader comprising an odor removal structure and a well plate support was designed. The odor removal structure creates negative pressure through a negative pressure chamber, an exhaust fan, and a filter barrier to adsorb odor gases. The well plate support achieves stable placement and sealing of samples through a sliding bracket and a slider. Combined with multi-stage filtration and physical sealing, odor diffusion is prevented.

Benefits of technology

It effectively solves the odor problem in fecal sample testing, ensures testing accuracy and laboratory hygiene, enables convenient sample handling and pollution-free sample collection and placement, and significantly improves testing efficiency and reliability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a kind of enzyme photometer for excrement hemoglobin, including detection interval, control device, deodorization structure, orifice plate support, control panel and information display, wherein: control device is fixedly installed in the top of detection interval, and deodorization structure is fixedly installed in the rear end of detection interval, and the orifice plate support is slidably installed in the inside of detection interval;The control panel is fixedly installed on the surface of control device, and the information display is fixedly installed on the surface of control device;The deodorization structure and the orifice plate support of the utility model are set, can prevent smell produced during detection from spreading outward, and facilitate the stable placement of excrement sample to enzyme photometer inside.
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Description

Technical Field

[0001] This utility model relates to the field of enzyme-linked immunosorbent assay (ELISA) reader technology, and in particular to an ELISA reader for fecal hemoglobin. Background Technology

[0002] Fecal hemoglobin refers to the hemoglobin component that enters the digestive tract from a site of intestinal bleeding and is ultimately excreted in feces. It is an important biomarker for the clinical diagnosis of gastrointestinal bleeding. When bleeding occurs anywhere in the digestive tract, red blood cells rupture during digestion, releasing hemoglobin. Some of this hemoglobin is broken down by intestinal bacteria, while the remainder exists in the feces in its original form or as degradation products. By specifically detecting the hemoglobin content in feces, early detection of lesions such as gastrointestinal ulcers, inflammation, polyps, and even malignant tumors can be achieved, with a detection sensitivity of up to 5-10 ml of bleeding per day. Modern immunological detection methods can specifically identify human hemoglobin, avoiding interference from factors such as diet, and providing objective and quantitative test results for clinical use. It has become an important tool for the screening and diagnosis of gastrointestinal diseases. However, existing ELISA readers for fecal hemoglobin still have problems such as the inability to prevent the odor generated during testing from escaping and the inconvenience of stably placing fecal samples inside the ELISA reader.

[0003] Therefore, it is essential to invent an enzyme-linked immunosorbent assay (ELISA) reader for fecal hemoglobin. Utility Model Content

[0004] To address the aforementioned technical problems, this invention provides an ELISA reader for fecal hemoglobin, solving the issues that existing ELISA readers for fecal hemoglobin still cannot prevent the odor generated during testing from escaping, and are inconvenient for stably placing fecal samples inside the reader. An ELISA reader for fecal hemoglobin includes a detection zone, a control device, an odor removal structure, a well plate support, a control panel, and an information display. The control device is fixedly installed above the detection zone, and the odor removal structure is fixedly installed at the rear end of the detection zone. The well plate support is slidably installed inside the detection zone. The control panel and the information display are fixedly installed on the surface of the control device.

[0005] The deodorization structure includes a negative pressure chamber, a filter partition, an outer suction pipe, and a suction fan. The filter partition is fixedly installed at the rear end of the detection zone, and the negative pressure chamber is fixedly installed at the rear end of the filter partition. The outer suction pipe is fixedly installed on the outside of the filter partition and extends forward to the top of the orifice plate support. The suction fan is fixedly installed above the negative pressure chamber.

[0006] The orifice plate support includes a sliding bracket, a sealing plate, an orifice plate groove, an orifice plate, and a sliding block. The sliding bracket is slidably installed inside the detection zone, and the sealing plate is fixedly installed at the front end of the sliding bracket. The orifice plate groove is located inside the sliding bracket. A sliding block is fixedly installed on the outside of the orifice plate, and the orifice plate is slidably installed inside the sliding bracket via the sliding block.

[0007] The deodorization structure uses a set of stainless steel metal chambers, and the negative pressure chamber can draw the air inside out through the exhaust fan to form a negative pressure; the inside of the sealing plate is filled with odor filter, and the sealing plate can force the air in the detection area and the outside exhaust pipe to pass through the odor filter inside the sealing plate through the negative pressure of the negative pressure chamber.

[0008] The sliding bracket inside the orifice plate support can slide horizontally, allowing it to enter or slide out of the detection area; one side of the sliding bracket is provided with an opening for the orifice plate to slide into, and the orifice plate is provided with several specimen slots inside, where diluted stool samples to be tested are placed; one end of the orifice plate extends outward without holes, forming a handheld area.

[0009] Compared with the prior art, the present invention has the following beneficial effects:

[0010] 1. The odor removal structure of this utility model effectively solves the odor problem in fecal sample testing through the synergistic effect of negative pressure suction, multi-stage filtration, and physical sealing. Its core mechanism involves creating negative pressure within the negative pressure chamber using an exhaust fan, driving airflow through the outer suction pipe to actively draw odorous gases from the sample area. The gases are then forcibly adsorbed through a sealed plate filled with filter material. Alternatively, negative pressure can be used to directly extract air from the testing area, which is then adsorbed through the sealed plate and finally sealed by a corrosion-resistant stainless steel chamber. This design achieves dynamic sealing of the testing area, preventing the leakage of harmful gases and significantly improving the laboratory hygiene environment while ensuring testing accuracy.

[0011] 2. The orifice plate support of this utility model features an internal sliding bracket that allows the entire sample to move horizontally into and out of the detection zone, facilitating batch operations. The internal orifice plate is independently replaced via a slider in a sliding groove, ensuring uncontaminated handling of individual samples. When closed, the sealing plate forms a sealed space with the detection zone, which, together with the deodorizing structure, prevents the spread of odors. The extended handheld area of ​​the orifice plate avoids direct contact with contaminants. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model.

[0013] Figure 2 This is a structural schematic diagram of the present invention from a second perspective.

[0014] Figure 3This is a schematic diagram of the deodorizing structure of this utility model.

[0015] Figure 4 This is a schematic diagram of the structure of the perforated plate support of this utility model.

[0016] In the picture:

[0017] Detection zone 1, control device 2, deodorization structure 3, negative pressure chamber 31, filter partition 32, outer exhaust pipe 33, exhaust fan 34, perforated plate support 4, sliding bracket 41, sealing plate 42, perforated plate groove 43, perforated plate 44, sliding block 45, control panel 5, information display 6. Detailed Implementation

[0018] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0019] As attached Figure 1 To be continued Figure 4 As shown.

[0020] This utility model provides an enzyme-linked immunosorbent assay (ELISA) reader for fecal hemoglobin, comprising a detection zone 1, a control device 2, an odor removal structure 3, a well plate support 4, a control panel 5, and an information display 6. The control device 2 is fixedly installed above the detection zone 1, and the odor removal structure 3 is fixedly installed at the rear end of the detection zone 1. The well plate support 4 is slidably installed inside the detection zone 1. The control panel 5 is fixedly installed on the surface of the control device 2, and the information display 6 is fixedly installed on the surface of the control device 2.

[0021] The deodorization structure 3 includes a negative pressure chamber 31, a filter partition 32, an outer suction pipe 33, and a suction fan 34. The filter partition 32 is fixedly installed at the rear end of the detection zone 1, and the negative pressure chamber 31 is fixedly installed at the rear end of the filter partition 32. The outer suction pipe 33 is fixedly installed on the outside of the filter partition 32 and extends forward to the top of the perforated plate support 4. The suction fan 34 is fixedly installed above the negative pressure chamber 31.

[0022] The orifice plate support 4 includes a sliding bracket 41, a sealing plate 42, an orifice plate groove 43, an orifice plate 44, and a sliding block 45. The sliding bracket 41 is slidably installed inside the detection zone 1, and the sealing plate 42 is fixedly installed at the front end of the sliding bracket 41. The orifice plate groove 43 is located inside the sliding bracket 41. The sliding block 45 is fixedly installed on the outside of the orifice plate 44, and the orifice plate 44 is slidably installed inside the sliding bracket 41 through the sliding block 45.

[0023] The deodorization structure 3 uses a set of stainless steel metal chambers, and the negative pressure chamber 31 can draw the air inside out through the exhaust fan 34 to form a negative pressure; the interior of the sealing plate 42 is filled with odor filter, and the sealing plate 42 can force the air inside the detection zone 1 and the outer exhaust pipe 33 to pass through the odor filter inside the sealing plate 42 through the negative pressure of the negative pressure chamber 31.

[0024] The sliding bracket 41 inside the orifice plate support 4 can slide horizontally and enter or slide out of the detection zone 1; one side of the sliding bracket 41 is provided with an opening for the orifice plate 44 to slide into, and the orifice plate 44 is provided with several specimen slots inside, and the orifice plate 44 is provided with diluted stool samples to be tested; one end of the orifice plate 44 extends outward without holes, forming a handheld area.

[0025] The fecal hemoglobin protein analyzer achieves automated detection through integrated design. During operation, the pre-treated sample well plate 44 is precisely positioned in the detection zone 1 via a sliding support 41. After the excitation light source triggers the enzymatic reaction, the optical system of the control device 2 captures the characteristic signal and converts it into an electrical signal. The control system processes the data in real time and outputs the results through the information display 6. Simultaneously, the deodorization structure 3 maintains a clean detection environment through the negative pressure generated by the exhaust fan 34 and multiple filtrations by the filter barrier 32. This device integrates the precise positioning of the well plate support 4, the human-machine interaction of the control panel 5, and dynamic environmental control, solving problems such as insufficient accuracy and environmental pollution in traditional detection methods, and significantly improving detection efficiency and reliability.

[0026] Any technical solution that achieves the above-mentioned technical effects by utilizing the technical solution described in this utility model, or by designing a similar technical solution inspired by the technical solution described in this utility model, falls within the protection scope of this utility model.

Claims

1. An enzyme-linked immunosorbent assay (ELISA) reader for fecal hemoglobin, characterized in that: The system includes a detection zone (1), a control device (2), a deodorizing structure (3), an orifice plate support (4), a control panel (5), and an information display (6), wherein: the control device (2) is fixedly installed above the detection zone (1), and the deodorizing structure (3) is fixedly installed at the rear end of the detection zone (1); the orifice plate support (4) is slidably installed inside the detection zone (1); the control panel (5) is fixedly installed on the surface of the control device (2), and the information display (6) is fixedly installed on the control device (2). Surface; the deodorization structure (3) includes a negative pressure chamber (31), a filter partition (32), an outer suction pipe (33) and a suction fan (34), and the filter partition (32) is fixedly installed at the rear end of the detection zone (1), and the negative pressure chamber (31) is fixedly installed at the rear end of the filter partition (32); the outer suction pipe (33) is fixedly installed on the outside of the filter partition (32) and extends forward to the top of the perforated plate support (4); the suction fan (34) is fixedly installed above the negative pressure chamber (31).

2. The ELISA reader for fecal hemoglobin as described in claim 1, characterized in that: The orifice plate support (4) includes a sliding bracket (41), a sealing plate (42), an orifice plate groove (43), an orifice plate (44), and a sliding block (45). The sliding bracket (41) is slidably installed inside the detection zone (1), and the sealing plate (42) is fixedly installed at the front end of the sliding bracket (41). The orifice plate groove (43) is located inside the sliding bracket (41). The sliding block (45) is fixedly installed on the outside of the orifice plate (44), and the orifice plate (44) is slidably installed inside the sliding bracket (41) through the sliding block (45).

3. The ELISA reader for fecal hemoglobin as described in claim 2, characterized in that: The deodorizing structure (3) uses a set of stainless steel metal chambers, and the negative pressure chamber (31) can draw out the air inside it through the exhaust fan (34) to form a negative pressure; the interior of the sealing plate (42) is filled with odor filter, and the sealing plate (42) can force the air inside the detection zone (1) and the outer exhaust pipe (33) through the negative pressure of the negative pressure chamber (31) to pass through the odor filter inside the sealing plate (42).

4. The ELISA reader for fecal hemoglobin as described in claim 2, characterized in that: The sliding bracket (41) inside the orifice plate support (4) can slide horizontally and can enter or slide out of the detection zone (1); one side of the sliding bracket (41) is provided with an opening for the orifice plate (44) to slide into, and the orifice plate (44) is provided with several specimen slots inside, and the orifice plate (44) is provided with diluted stool samples that need to be detected; one end of the orifice plate (44) extends outward without holes, forming a handheld area.