Novel rotating wheel type urine detection device

Abstract

The utility model relates to a novel rotating wheel type urine detection device which comprises a main body, the main body is in a hollow polygon prism shape, each surface of the outer wall of the main body is provided with a detection unit, and each detection unit is provided with a detection groove along the axial direction; one end of each detection groove is provided with a urine injection port communicated with the groove body; the detection test paper is placed in the detection groove, the width and the length of the detection test paper are equal to those of a groove body of the detection groove, and the thickness of the detection test paper is smaller than the height of the groove body of the detection groove. The automatic urine detection device can replace an existing rotating wheel type urine detection device, solves the problems that the existing rotating wheel type urine detection device is slow in liquid injection and uneven in color of color blocks, improves the detection efficiency of the automatic urine detection device, and provides more accurate detection signals for the automatic urine detection device.

Description

Technical Field

[0001] This utility model relates to the field of medical testing equipment technology, specifically to a novel rotary urine testing device. Background Technology

[0002] Currently, urine biochemical analyzers can be broadly categorized into semi-automatic and fully automatic types. Semi-automatic urine analyzers can be made portable and used in typical home settings, but they can only test one urine analysis test strip at a time, and each test requires the user to soak the test strip in urine before testing, making the operation cumbersome. Fully automatic urine analyzers, compared to semi-automatic ones, can hold multiple urine analysis test strips at once. However, to allow the instrument to separate multiple strips, users need to pay attention to the insertion direction, and the separation and transport of test strips generally uses a conveyor belt, resulting in a larger instrument footprint and limiting its use to laboratory environments. Furthermore, urine analysis test strips are susceptible to moisture inside the instrument and cannot be stored for extended periods. Currently, most urine analysis test strips are individually separated and stored in a light-proof container to dry, requiring manual removal before use. This single-strip consumable method makes them prone to moisture absorption when removed from the container, and each test requires manual operation, preventing continuous testing over extended periods.

[0003] Chinese patent CN221039068U discloses a "rotary-type urine test reagent card and urine testing device," which is designed as a rotating cylinder structure with multiple test strips arranged inside the cylinder wall. The cylinder rotates via self-rotation or external force, driving the test strips to rotate, enabling multiple tests. The cylinder uses a composite film with low water permeability and high light transmittance to seal the test strips, and a desiccant is placed to ensure good preservation of the test strips in a humid environment. The rotary-type urine testing device can be used in conjunction with an automatic urine analyzer to achieve multiple tests, greatly improving urine testing efficiency. However, in practice, it has been found that existing rotary-type urine testing devices have problems such as slow liquid injection and uneven color on the test strips. Analysis revealed that the existing rotary-type urine testing devices have a narrow liquid injection channel, resulting in high air resistance during the injection process, which prevents the liquid from being injected at a fast speed. In existing rotary-type urine testing devices, the liquid seeps into the color blocks of the test strips from a side notch in the reagent tank, and the slow penetration speed leads to uneven color. In order to further develop intelligent and automated urine analyzers, it is necessary to improve the supporting rotary urine analyzer. Utility Model Content

[0004] To address the above problems, this utility model proposes a novel rotary urine detection device.

[0005] This utility model provides a novel rotary urine testing device, comprising a main body, which is a hollow polygonal prism. Each surface of the outer wall is configured as a testing unit, and each testing unit has a testing groove along its axial direction. Each testing groove has a urine inlet communicating with the groove body at one end and a desiccant groove communicating with the groove body at the other end, wherein a desiccant is placed in the desiccant groove. Another channel is provided on the channel communicating between the desiccant groove and the testing groove, and an air outlet is provided at the end. A test strip is placed in the testing groove, and the test strip is the same width and length as the groove body, and the thickness of the test strip is less than the height of the groove body. After the test strip and desiccant are assembled in the main body, a plastic film is pasted and sealed to cover the entire outer wall of the main body, so that the test strip and desiccant are in a sealed and airtight environment.

[0006] Furthermore, the vent is located on the same side as the urine injection port.

[0007] Furthermore, a buckle is provided at one end of the main body.

[0008] Furthermore, a positioning notch is provided at the other end of the main body.

[0009] Furthermore, the inner wall of the main body is provided with anti-foolproof protrusions.

[0010] Furthermore, each of the test strips is for one or more detection types. When the test strips are for multiple detection types, different types of test strips are arranged in blocks at intervals along the test strips.

[0011] Furthermore, the detection unit corresponding to the positioning notch is a calibration unit, which is equipped with a calibration plate.

[0012] Furthermore, the main body is a cylindrical shape with a central opening, and multiple detection units are arranged along the axial direction on the outer wall.

[0013] The beneficial effects of this utility model are as follows:

[0014] 1. The liquid in this utility model passes through the detection tank, and the entire detection tank is a liquid injection channel. It has a larger space and less air resistance, which allows for smoother liquid injection. This solves the problem of slow liquid injection in existing rotary urine detection devices and can also prevent liquid backflow caused by excessive pressure in the liquid injection channel.

[0015] 2. This utility model directly immerses the entire test strip in liquid, simulating the conventional urine test method. This solves the problem of uneven color of the color patch caused by the slow penetration speed in the existing rotary urine test device, and provides a more accurate detection signal for automated urine testers.

[0016] 3. This utility model can be placed on a matching home urine analyzer for testing. The instrument automatically switches to the new detection unit on the device of this utility model. At the same time, it is equipped with a moisture-proof function, so that it can perform multiple tests with one load of consumables, reducing the user's operation and providing users with long-term continuous monitoring of urine indicators.

[0017] 4. The test strips of this utility model are arranged on the outside of the main body, and there is no need to reserve space for signal detection devices and liquid injection mechanisms inside, so the volume can be reduced accordingly. Attached Figure Description

[0018] Figure 1 A schematic diagram of a new rotary urine testing device (without test strips and desiccant).

[0019] Figure 2 A schematic diagram of the structure of a new rotary urine testing device (equipped with test strips and desiccant);

[0020] Reference numerals: 1. Main body; 2. Detection unit; 3. Urine injection port; 4. Air outlet; 5. Detection slot; 6. Desiccant slot; 7. Positioning notch; 8. Buckle; 9. Test strip; 10. Desiccant. Detailed Implementation

[0021] The present invention will be further described below with reference to the embodiments.

[0022] Example 1: A novel rotary urine detection device:

[0023] like Figure 1 and Figure 2 As shown, a novel rotary urine testing device includes a main body 1, which is a hollow polygonal prism. Each surface of the outer wall is configured as a testing unit 2, and each testing unit 2 has a testing groove 5 arranged along the axial direction. Each testing groove 5 has a urine injection port 3 communicating with the groove body at one end and a desiccant groove 6 communicating with the groove body at the other end. The desiccant groove 6 contains a desiccant 10. Another channel is provided on the channel communicating between the desiccant groove 6 and the testing groove 5, and an air outlet 4 is provided at the end. A test strip 9 is placed in the testing groove 5. The test strip 9 is the same width and length as the groove body of the testing groove 5, and the thickness of the test strip 9 is less than the height of the groove body of the testing groove 5.

[0024] The main body 1 can also be designed as a cylindrical shape with a central opening, and multiple detection units 2 are arranged along the axial direction on the outer wall.

[0025] Specifically, the main body 1 has a central opening to allow space for the machine's rotating shaft. The main body 1 is cylindrical or polygonal to facilitate the assembly of the test strips 9. This design facilitates mass production and simplifies the design of the accompanying instrument by allowing for the rotation of the test strips 9. During sample injection, urine enters through the urine injection port 3, expelling air through the air outlet 4. The urine soaks each detection block of the test strip 9, which is then collected by the accompanying instrument to obtain the result. After the reagent kit and accompanying instrument are installed, the test strips 9 can be rotated to achieve continuous testing over a long period. The desiccant tank 6 and desiccant 10 absorb excess urine when too much or too fast is injected, preventing urine from leaking out of the device and affecting the instrument's internal structure. Furthermore, before use, the desiccant 10 extends the shelf life of the test strips 9.

[0026] The vent 4 is located on the same side as the urine inlet 3. This same-side design makes it easy for the instrument to puncture both the urine inlet 3 and the vent 4.

[0027] One end of the main body 1 is provided with a buckle 8. The buckle serves two purposes: firstly, as a handle for easy gripping, and secondly, as it engages with the slot of the accompanying instrument for fixation. When fixed, the buckle itself can undergo a certain deformation. When the device is fully loaded, the buckle will fit snugly against the machine's slot, preventing the device from moving unless the buckle deforms.

[0028] The other end of the main body 1 is provided with a positioning notch 7. The positioning notch 7 is used to cooperate with the photoelectric sensor to achieve the positioning of the reagent kit.

[0029] The inner wall of the main body 1 is provided with a foolproof protrusion. The foolproof protrusion is used to facilitate the user to install the reagent kit in a fixed direction.

[0030] Each of the test strips 9 is for one or more detection types. When the test strips 9 are for multiple detection types, different types of test strips are arranged in blocks at intervals along the test strips 9.

[0031] The detection unit 2 corresponding to the positioning notch 7 is a calibration unit and is equipped with a calibration plate.

[0032] After the test paper 9 and desiccant 10 are assembled in the main body 1, a plastic film is used to seal and cover the entire outer wall of the main body, creating a sealed and airtight environment for the test paper 9 and desiccant 10. The transparent plastic film does not affect the optical acquisition of the test paper 9 and also ensures the dryness of the test paper 9, extending its shelf life. The desiccant can be replaced with other physically absorbent materials, and the plastic film can be replaced with other transparent plastic films with high light transmittance and waterproof properties, such as PVC, PP, or PET, using a hot-melt sealing process.

[0033] In use, the user pinches the buckle 8 and inserts the device into the matching instrument. Once fully inserted, the buckle is fixed to the internal structure of the instrument. The internal motor of the instrument is started to rotate, causing the device to rotate until the positioning notch 7 of the device aligns with the photoelectric sensor of the instrument. Calibration is then performed using the calibration plate to complete the device initialization. The instrument's injection head punctures the plastic film at the urine injection port 3 and the vent 4, respectively. The injection head then draws up urine and injects it from the urine injection port 3, allowing the urine to flow along the detection groove 5 towards the vent 4. During this flow, the urine soaks through each detection patch on the test strip 9. If the urine is injected too quickly or in excessive amounts, the excess liquid will overflow into the desiccant tank 6 and be absorbed by the desiccant 10 or other absorbent materials. Injection is stopped when the urine is about to reach the vent 4. The instrument's photoelectric sensor acquires optical signals from each patch on the test strip 9 and performs subsequent result determination.

[0034] Example 2: Verification experiment on the effectiveness of this device:

[0035] Using a novel rotary urine testing device as described in Example 1, creatinine was selected as the test item. Standards were used to prepare reference solutions of different concentrations, with each concentration repeated three times. The results are shown in Table 1.

[0036] Table 1. Creatinine Test Results

[0037] Concentration (mg / dL) 10 50 100 200 300 Results of Round 1 Testing 10 50 100 200 300 Results of Round 2 Testing 10 100 200 200 300 Results of Round 3 Testing 10 50 100 300 300

[0038] As can be seen from the results in Table 1, the test results of the novel rotary urine detection device of this patent have a deviation of no more than one order of magnitude for the calibrated reference solution, and there is no reverse deviation.

[0039] Therefore, the novel rotary urine detection device of this patent can replace the existing rotary urine detection device, and solves the problems of slow liquid injection and uneven color of the color block in the existing rotary urine detection device, thereby improving the detection efficiency of the automated urine detector and providing a more accurate detection signal for the automated urine detector.

[0040] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention.

[0041] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A new type of rotating wheel urine testing device comprising a main body (1), characterized in that, The main body (1) is a hollow polygonal prism, and each side of the outer wall is set as a detection unit (2). Each detection unit (2) is provided with a detection groove (5) along the axial direction. Each detection groove (5) is provided with a urine injection port (3) communicating with the groove body at one end and a desiccant groove (6) communicating with the groove body at the other end. A desiccant (10) is placed in the desiccant groove (6). Another channel is provided on the channel communicating between the desiccant groove (6) and the detection groove (5), and an air outlet (4) is provided at the end. The test strip (9) is placed in the detection groove (5). The test strip (9) is the same width and length as the groove body of the detection groove (5), and the thickness of the test strip (9) is less than the height of the groove body of the detection groove (5). After the test strip (9) and the desiccant (10) are assembled in the main body (1), they are sealed with plastic film to cover the entire outer wall of the main body, so that the test strip (9) and the desiccant (10) are in a sealed and airtight environment.

2. The new rotary wheel type urine testing device according to claim 1, characterized in that, The vent (4) is located on the same side as the urine inlet (3).

3. The new rotary wheel type urine testing device according to claim 1, characterized in that, One end of the main body (1) is provided with a buckle (8).

4. The new rotary wheel type urine testing device according to claim 1, characterized in that, The other end of the main body (1) is provided with a positioning notch (7).

5. The new rotary wheel type urine testing device according to claim 1, characterized in that, The inner wall of the main body (1) is provided with anti-foolproof protrusions.

6. The new rotary wheel type urine testing device according to claim 1, characterized in that, Each of the test strips (9) is one or more detection types. When the test strips (9) are multiple detection types, different types of test strips are arranged in blocks along the test strips (9) at intervals.

7. The novel rotary urine detection device according to claim 4, characterized in that, The detection unit (2) corresponding to the positioning notch (7) is a calibration unit and is equipped with a calibration plate.

8. The new rotary urine testing device according to claim 1, wherein, The main body (1) is a cylindrical shape with a central opening, and multiple detection units (2) are arranged along the axial direction on the outer wall.

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