A urine analysis test paper and a urine analysis device
By adding an anti-reflective layer and thickening the substrate material to the base of the urine analysis test strip, the problems of detection deviation under strong light conditions and deformation caused by material softness are solved, resulting in more accurate and reliable urine analysis results.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENZHEN XFT MEDICAL LTD
- Filing Date
- 2025-05-20
- Publication Date
- 2026-06-09
AI Technical Summary
Existing urine analysis test strips are prone to detection deviations under strong light or complex lighting conditions, and the soft and easily deformable substrate material affects the accuracy and repeatability of test results.
An anti-reflective layer is placed on the base of the urine analysis test strip to reduce light reflection, and the structural stability is improved by thickening the base material. At the same time, the reagent blocks are arranged in a reasonable manner to avoid cross-contamination.
It effectively prevents light source reflection on the substrate, ensuring the accuracy and reliability of test results, enhancing the toughness of the test strip, reducing deformation, and improving the accuracy of test results and the efficiency of automated processing.
Smart Images

Figure CN224341417U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of medical device technology, and more specifically, to a urine analysis test strip and a urine analysis device. Background Technology
[0002] Urine tests are one of the most commonly used diagnostic tools for urinary system diseases, and they are extremely valuable for identifying kidney lesions and certain systemic diseases (such as diabetes and hepatobiliary diseases). Analyzing changes in urine composition can provide crucial information for the early detection and treatment of various diseases.
[0003] Given the diversity of tests required, a urine analyzer is typically needed to accurately interpret the results of test strips. However, existing urine analysis test strips still have some shortcomings. For example, most test strips use a white substrate material. While this design facilitates the observation of color changes, its high reflectivity can lead to detection errors under strong light or complex lighting conditions. Utility Model Content
[0004] The purpose of this invention is to provide a urine analysis test strip and a urine analysis device that can effectively prevent the light source emitted by the detector from being partially reflected by the reagent block, thus ensuring the accuracy and reliability of the test results.
[0005] The embodiments of this utility model are implemented as follows:
[0006] In a first aspect, this utility model provides a urine analysis test strip, comprising:
[0007] The substrate includes a gripping section and a detection section connected together;
[0008] The reagent blocks are multiple, and the multiple reagent blocks are spaced apart in the detection section;
[0009] A blank block is disposed at one end where the detection section is connected to the holding section, and the blank block is disposed at an interval from the reagent block;
[0010] An anti-reflective layer is disposed in the detection section, and between two adjacent reagent blocks and between the reagent block and the blank block. The anti-reflective layer is used to reduce light reflection.
[0011] In an optional embodiment, the plurality of reagent blocks include at least one of the following: creatinine detection block, nitrite detection block, vitamin C detection block, calcium detection block, urobilinogen detection block, bilirubin detection block, hematuria detection block, ketone body detection block, microalbumin detection block, leukocyte detection block, glucose detection block, protein detection block, pH detection block, and specific gravity detection block.
[0012] In an optional embodiment, the plurality of reagent blocks include, in sequence, a creatinine detection block, a nitrite detection block, a vitamin C detection block, a calcium detection block, a urobilinogen detection block, a bilirubin detection block, a hematuria detection block, a ketone body detection block, a microalbumin detection block, a leukocyte detection block, a glucose detection block, a protein detection block, a pH detection block, and a specific gravity detection block, wherein the creatinine detection block is located at the end of the detection segment away from the gripping segment, the specific gravity detection block is located at the end of the detection segment closer to the gripping segment, and the specific gravity detection block is spaced apart from the blank block.
[0013] In an optional embodiment, the urine analysis test strip further includes a direction marking layer disposed on the grip section, the direction marking layer being used to indicate the direction in which the detection section is inserted into the urine analyzer.
[0014] In an optional embodiment, the urine analysis test strip further includes a positioning marker layer disposed on the grip section. The positioning marker layer is used to indicate the position of the test section after it is inserted into the urine analyzer, and when the test section is inserted into the correct position, the positioning marker layer is completely covered by the urine analyzer.
[0015] In an optional embodiment, the positioning mark layer extends for 2.2 mm to 3.0 mm along the length of the grip section.
[0016] In an optional embodiment, the reagent block located on the side of the detection segment away from the gripping segment is flush with the end of the detection segment.
[0017] In an optional embodiment, the substrate is made of PVC ceramic sheet material.
[0018] In an optional embodiment, the thickness of the substrate is 0.4 mm to 1.0 mm.
[0019] Secondly, this utility model provides a urine analysis device, including a urine detector and a urine analysis test strip as described in any of the foregoing embodiments, wherein the detection section of the urine analysis test strip is used to be inserted into the urine detector for detection.
[0020] The beneficial effects of the urine analysis test strip and urine analysis device provided in this embodiment of the utility model include: by setting an anti-reflection layer between two adjacent reagent blocks and between a reagent block and a blank block, the reflection of light by the substrate is reduced, thereby effectively preventing the light source of the detector from being reflected on the substrate, thus ensuring the accuracy and reliability of the test results. Attached Figure Description
[0021] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.
[0022] Figure 1 This is a first-view structural schematic diagram of the urine analysis test strip provided in an embodiment of the present invention;
[0023] Figure 2 This is a schematic diagram of the urine analysis test strip provided in an embodiment of the present invention from a second perspective.
[0024] Figure 3 This is a third-view structural diagram of the urine analysis test strip provided in an embodiment of the present invention.
[0025] Icons: 10 - Urine analysis test strip; 100 - Base; 110 - Hold section; 120 - Detection section; 200 - Reagent block; 201 - Creatinine detection block; 202 - Nitrite detection block; 203 - Vitamin C detection block; 204 - Calcium detection block; 205 - Urobilinogen detection block; 206 - Bilirubin detection block; 207 - Hematuria detection block; 208 - Ketone body detection block; 209 - Microalbumin detection block; 210 - Leukocyte detection block; 211 - Glucose detection block; 212 - Protein detection block; 213 - pH detection block; 214 - Specific gravity detection block; 300 - Blank block; 400 - Anti-reflective layer; 500 - Orientation marker layer; 600 - Positioning marker layer. Detailed Implementation
[0026] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.
[0027] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.
[0028] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.
[0029] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.
[0030] Furthermore, terms such as "horizontal" and "vertical" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.
[0031] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0032] Urine tests are one of the most commonly used diagnostic tools for urinary system diseases, and they are extremely valuable for identifying kidney lesions and certain systemic diseases (such as diabetes and hepatobiliary diseases). Analyzing changes in urine composition can provide crucial information for the early detection and treatment of various diseases.
[0033] Given the diversity of testing items, a urine analyzer is typically needed to accurately interpret the results of test strips. However, existing urine analysis test strips still have some shortcomings. For example, most test strips use a white substrate material. While this design facilitates the observation of color changes, its high reflectivity can lead to detection errors under strong or complex lighting conditions. Furthermore, the substrate materials commonly found on the market are relatively soft, making them prone to deformation during actual operation, thus affecting the accuracy and repeatability of test results.
[0034] Based on the problems existing in the prior art, this utility model provides a urine analysis test strip and a urine analysis device, which can not only effectively prevent the detector from interfering with the chemical reaction area on the test strip, but also enhance the color change contrast of the test area, making the color change more obvious and easier to read, thereby ensuring the reliability of the test results.
[0035] In this embodiment, the urine analysis device includes a urine detector and a urine analysis test strip, and the detection section of the urine analysis test strip is used to be inserted into the urine detector for detection.
[0036] For details, please refer to Figures 1 to 3 The urine analysis test strip 10 includes a substrate 100, a reagent block 200, a blank block 300, and an anti-reflective layer 400.
[0037] The substrate 100 includes a gripping section 110 and a detection section 120 connected to each other; there are multiple reagent blocks 200, which are spaced apart in the detection section 120; a blank block 300 is disposed at the end of the detection section 120 connected to the gripping section 110, and the blank block 300 is spaced apart from the reagent blocks 200; an anti-reflective layer 400 is disposed on the wall surface of the detection section 120 where the reagent blocks 200 are disposed, and is disposed between two adjacent reagent blocks 200 and between the reagent block 200 and the blank block 300.
[0038] In this embodiment, by providing an anti-reflection layer 400 between two adjacent reagent blocks 200 and between reagent block 200 and blank block 300, the reflection of light by the substrate 100 is reduced, thereby effectively preventing the light source of the detector from being reflected on the substrate and interfering with the reagent block 200 of the detection segment 120 on the urine analysis test strip 10, thus ensuring the accuracy and reliability of the test results.
[0039] Optionally, the anti-reflective layer 400 may be, but is not limited to, a black film or coating. It is understood that the anti-reflective layer 400 may be applied to the entire detection section 120, or may be applied only between two adjacent reagent blocks 200 and between reagent block 200 and blank block 300.
[0040] Specifically, the thickness of the substrate 100 (as shown in the figure, H1) is 0.4 mm to 1.0 mm.
[0041] Therefore, the thickness of the substrate 100 can be 0.4mm, 0.6mm, 0.8mm and 1.0mm. Of course, in other embodiments of this utility model, the thickness of the substrate 100 can also be other values, which are not specifically limited here.
[0042] For example, in this embodiment, the thickness of the substrate 100 is 0.5 mm. Compared with existing test strips, increasing the thickness of the substrate 100 significantly enhances the toughness and structural stability of the urine analysis test strip 10, effectively reducing potential deformation problems during operation. This design improvement not only ensures high accuracy and consistency of test results but also optimizes compatibility with urine analyzers. The thicker substrate 100 makes it easier for the test strip to be accurately ejected by the analysis instrument after use, improving the efficiency and reliability of automated processing.
[0043] Therefore, this design provides users with a more stable and efficient urine analysis solution, while improving user experience and supporting the accuracy of clinical diagnosis.
[0044] It should also be noted that the length of the substrate 100 (as shown in L1) is 111 mm, the length of the detection segment 120 (as shown in L2) is 87.5 mm to 88.5 mm, and the width of the substrate 100 (as shown in W1) is 4.9 mm to 5.1 mm. Multiple reagent blocks 200 and blank blocks 300 are identical in size, with a length (as shown in L3) of 3.9 mm to 4.1 mm, and widths (as shown in W2) and thicknesses (as shown in H2) consistent with the width and thickness of the substrate 100. Adjacent reagent blocks 200 and reagent blocks 200 and blank blocks 300 are spaced equidistantly, with a spacing (as shown in S) of 1.9 mm to 2.1 mm.
[0045] Furthermore, the substrate 100 is made of PVC ceramic material.
[0046] In other words, substrate 100 is a porcelain-white substrate made of polyvinyl chloride (PVC). PVC is a thermoplastic widely used in various fields and is favored for its good physical and processing properties.
[0047] Specifically, the substrate 100 is made of PVC ceramic material, which has good mechanical strength and can provide sufficient support to ensure the structural integrity of the test strip during use; it also shows good resistance to many chemicals, which helps protect the chemical reagents carried on the test strip from the influence of the external environment.
[0048] Furthermore, the plurality of reagent blocks 200 include at least one of the following: creatinine detection block 201, nitrite detection block 202, vitamin C detection block 203, calcium detection block 204, urobilinogen detection block 205, bilirubin detection block 206, hematuria detection block 207, ketone body detection block 208, microalbumin detection block 209, leukocyte detection block 210, glucose detection block 211, protein detection block 212, pH detection block 213, and specific gravity detection block 214.
[0049] It is understandable that the above-mentioned multiple reagent blocks 200 can be used to detect creatinine, nitrite, vitamin C, calcium, urobilinogen, bilirubin, occult blood, ketones, microalbumin, leukocytes, glucose, protein, pH, and specific gravity parameters in urine.
[0050] Furthermore, the plurality of reagent blocks 200 include, in sequence, a creatinine detection block 201, a nitrite detection block 202, a vitamin C detection block 203, a calcium detection block 204, a urobilinogen detection block 205, a bilirubin detection block 206, a hematuria detection block 207, a ketone body detection block 208, a microalbumin detection block 209, a leukocyte detection block 210, a glucose detection block 211, a protein detection block 212, a pH detection block 213, and a specific gravity detection block 214. The creatinine detection block 201 is located at the end of the detection section 120 away from the gripping section 110, and the specific gravity detection block 214 is located at the end of the detection section 120 close to the gripping section 110. The specific gravity detection block 214 is spaced apart from the blank block 300.
[0051] In this embodiment, by arranging the above-mentioned multiple reagent blocks 200 sequentially from one end of the detection section 120 toward the end connected to the holding section 110, the arrangement order is made more reasonable, which can effectively avoid false positives caused by mutual interference between different detection items.
[0052] Furthermore, among the multiple reagent blocks 200, the reagent block 200 located on the side of the detection section 120 away from the holding section 110 is flush with the end of the detection section 120.
[0053] In other words, the creatinine detection block 201 is flush with the end of the detection segment 120, thereby effectively utilizing the area of the detection segment 120.
[0054] Furthermore, the urine analysis test strip 10 also includes a direction marking layer 500, which is disposed on the grip section 110 and is used to indicate the direction in which the detection section 120 is inserted into the urine analyzer.
[0055] In this embodiment, the direction marking layer 500 is arrow-shaped, used to indicate the insertion direction of the detection section 120 into the urine analyzer when the user is holding the grip section 110, thereby facilitating user operation.
[0056] Furthermore, the urine analysis test strip 10 also includes a positioning mark layer 600, which is disposed on the grip section 110. The positioning mark layer 600 is used to indicate the position of the detection section 120 after it is inserted into the urine analyzer, and when the detection section 120 is inserted into the position, the positioning mark layer 600 is completely covered by the urine analyzer.
[0057] In this embodiment, by setting a positioning mark layer 600, a reference is provided for the user to insert the test strip into the urine analyzer, effectively ensuring that the test strip is inserted in place and avoiding damage to the test strip caused by the user not inserting the test strip in place or continuing to insert it forcefully after it has been inserted in place.
[0058] It is worth mentioning that the positioning marker layer 600 is located between the direction marker layer 500 and the blank block 300.
[0059] It should also be noted that the orientation marking layer 500 and the positioning marking layer 600 can be made of the same material as the anti-reflective layer 400. For example, the orientation marking layer 500, the positioning marking layer 600 and the anti-reflective layer 400 can all be made of black ink, which facilitates the processing of the urine analysis test strip 10, improves processing efficiency, and thus reduces production costs.
[0060] Specifically, the length of the positioning mark layer 600 along the length of the grip section 110 (as shown in Figure L4) is 2.2 mm to 3.0 mm.
[0061] Specifically, the extension length of the positioning mark layer 600 can be 2.2mm, 2.4mm, 2.6mm, 2.8mm and 3.0mm. Of course, in other embodiments of this utility model, the extension length of the positioning mark layer 600 can also be other values, which are not specifically limited here.
[0062] In summary, the beneficial effects of this utility model in providing a urine analysis test strip 10 and a urine analysis device include: 1. By setting an anti-reflective layer 400 between two adjacent reagent blocks 200 and between a reagent block 200 and a blank block 300, the reflection of light by the substrate 100 is reduced, thereby effectively preventing the light source of the detector from reflecting on the substrate, thus ensuring the accuracy and reliability of the test results; 2. The reasonable arrangement of the reagent blocks 200 avoids false positives caused by cross-contamination; 3. The increased thickness of the substrate 100 sheet enhances the toughness of the test strip, reduces deformation, and makes the test results more accurate. It also facilitates the ejection of the test strip by the urine analyzer after testing, avoiding contact between the hands and urine during operation.
[0063] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A urine analysis test strip, characterized in that, include: The substrate includes a gripping section and a detection section connected together; The reagent blocks are multiple, and the multiple reagent blocks are spaced apart in the detection section; A blank block is disposed at one end where the detection section is connected to the holding section, and the blank block is disposed at an interval from the reagent block; An anti-reflective layer is disposed in the detection section, and between two adjacent reagent blocks and between the reagent block and the blank block. The anti-reflective layer is used to reduce light reflection.
2. The urine analysis test strip according to claim 1, characterized in that, The plurality of reagent blocks include at least one of the following: creatinine detection block, nitrite detection block, vitamin C detection block, calcium detection block, urobilinogen detection block, bilirubin detection block, hematuria detection block, ketone body detection block, microalbumin detection block, leukocyte detection block, glucose detection block, protein detection block, pH detection block, and specific gravity detection block.
3. The urine analysis test strip according to claim 1, characterized in that, The plurality of reagent blocks include, in sequence, a creatinine detection block, a nitrite detection block, a vitamin C detection block, a calcium detection block, a urobilinogen detection block, a bilirubin detection block, a hematuria detection block, a ketone body detection block, a microalbumin detection block, a leukocyte detection block, a glucose detection block, a protein detection block, a pH detection block, and a specific gravity detection block. The creatinine detection block is located at the end of the detection section away from the gripping section, and the specific gravity detection block is located at the end of the detection section closer to the gripping section. The specific gravity detection block is spaced apart from the blank block.
4. The urine analysis test strip according to claim 1, characterized in that, The urine analysis test strip also includes a direction marking layer, which is disposed on the grip section and is used to indicate the direction in which the detection section is inserted into the urine analyzer.
5. The urine analysis test strip according to claim 1, characterized in that, The urine analysis test strip also includes a positioning marker layer, which is disposed on the grip section. The positioning marker layer is used to indicate the position of the test section after it is inserted into the urine analyzer, and the positioning marker layer is covered by the urine analyzer when the test section is inserted into the correct position.
6. The urine analysis test strip according to claim 5, characterized in that, The positioning mark layer extends for 2.2 mm to 3.0 mm along the length of the grip section.
7. The urine analysis test strip according to claim 1, characterized in that, The reagent block located on the side of the detection segment away from the gripping segment is flush with the end of the detection segment.
8. The urine analysis test strip according to claim 1, characterized in that, The substrate is made of PVC ceramic tile.
9. The urine analysis test strip according to claim 1, characterized in that, The thickness of the substrate is 0.4 mm to 1.0 mm.
10. A urine analysis device, characterized in that, The invention includes a urine analyzer and a urine analysis test strip as described in any one of claims 1-9, wherein the detection segment of the urine analysis test strip is used to be inserted into the urine analyzer for detection.