CGM sensor electrode test tool

Abstract

The utility model relates to a CGM sensor electrode test tool comprising a test module, the front part of the test module is provided with an installation space for the insertion of an electrode to be tested, a clamping piece needle is fixed in the installation space, and the clamping piece needle is used for clamping the electrode to be tested and is in electric contact with a contact point on the electrode to be tested; a test circuit board is arranged in the test module, and the clamping piece needles are electrically connected with signal points of the test circuit board. The electrode to be tested is inserted into the clamping piece needles in the installation space, the clamping piece needles clamp the electrode to be tested and make electric contact with the contact points on the electrode to be tested, current is transmitted to the test circuit board through the contact points and the clamping piece needles, then the electrode to be tested can be tested, the structure is simple, operation is convenient, and the test efficiency is high.

Description

Technical Field

[0001] The utility model relates to the field of test strip detection equipment, and more specifically, to a CGM sensor electrode test tooling. Background Art

[0002] Diabetes is a common chronic disease that seriously affects the quality of life and health level of patients. In diabetes management, blood glucose monitoring plays a crucial role. Traditional blood glucose monitoring methods usually obtain data by intermittently measuring blood glucose, while continuous glucose monitoring systems (CGMS) continuously record blood glucose changes to provide more comprehensive and accurate blood glucose data, thereby helping doctors and patients better understand blood glucose fluctuations.

[0003] The prior art generally uses a continuous blood glucose monitor to continuously monitor the blood glucose changes of patients. The continuous blood glucose monitor includes a sensor, also known as a CGM electrode. When in use, the CGM electrode is implanted subcutaneously for blood glucose monitoring. The CGM electrode implanted subcutaneously contains glucose oxidase, and glucose oxidase reacts chemically with glucose in the subcutaneous interstitial fluid to generate an electrical signal. The electrical signal is transmitted to the analysis software through a transmitter and converted into a blood glucose value after data processing. Since the CGM electrode needs to be implanted into the human body and has a service life of up to 7 - 14 days, the requirements for the sensitivity, repeat accuracy, etc. of the CGM electrode are relatively high. Therefore, it is very necessary to detect the performance of the CGM electrode before formal use.

[0004] Chinese Patent with Publication No. CN220399322U provides a CGM electrode detection tooling, which includes a test component that drives the electrode to be tested to immerse in a flowing test solution, and a circuit board collects the reaction current of the electrode to be tested and transmits it to the data processing component; the test component includes a detection board, a driving unit, and a mounting unit; the electrode to be tested is fixed on the mounting unit, and the driving unit includes a Y-axis moving component and a Z-axis moving component. The Y-axis moving component drives the circuit board to move towards the electrode to be tested and contact to achieve signal conduction, and the Z-axis moving component drives the mounting unit, the electrode to be tested, and the Y-axis moving component to move downward together so that the electrode to be tested immerses in the flowing test solution. When the CGM electrode detection tooling tests the electrode to be tested, it is necessary to activate the Y-axis moving component to drive the circuit board to move towards the electrode to be tested and contact to achieve signal conduction, which has a complex structure and inconvenient operation.

[0005] Therefore, there is a great room for improvement in the prior art. Summary of the Utility Model

[0006] The purpose of the present utility model is to make up for the deficiencies of the prior art and propose a CGM sensor electrode test tooling, which has a simple structure and is convenient to operate, and is beneficial to improving the test efficiency.

[0007] In order to achieve the above object, the present utility model is realized through the following technical solutions:

[0008] A CGM sensor electrode test tooling according to the present utility model includes a test module. An installation space for inserting a to-be-tested electrode is formed at the front part of the test module. A clip pin is fixed in the installation space. The clip pin is used for clamping the to-be-tested electrode and making electrical contact with the contact point on the to-be-tested electrode.

[0009] A test circuit board is provided in the test module. The clip pin is electrically connected to the signal point of the test circuit board.

[0010] Through the above structural arrangement, the to-be-tested electrode is inserted into the clip pin located in the installation space, so that the clip pin clamps the to-be-tested electrode and makes electrical contact with the contact point on the to-be-tested electrode. The current is transmitted to the test circuit board through the contact point and the clip pin, and the test of the to-be-tested electrode can be realized. It has a simple structure, is convenient to operate, and has high test efficiency.

[0011] According to the above solution, the clip pin includes a pin body, and a first elastic clip and a second elastic clip symmetrically fixed on the front side of the pin body up and down. The front ends of the first elastic clip and the second elastic clip are both arranged to be inclined towards the direction close to the to-be-tested electrode so as to make interference contact with the to-be-tested electrode. Through the above structural arrangement, it is beneficial to improve the stability of the clip pin clamping the to-be-tested electrode.

[0012] It can be understood that in order to realize the interference contact between the front ends of the first elastic clip and the second elastic clip and the to-be-tested electrode, the distance between the front ends of the first elastic clip and the second elastic clip is smaller than the thickness of the to-be-tested electrode in the natural state.

[0013] According to the above solution, an upper extension piece inclined towards the top surface of the installation space is connected to the front end of the first elastic clip; a lower extension piece inclined towards the bottom surface of the installation space is connected to the front end of the second elastic clip.

[0014] By providing the upper extension piece and the lower extension piece, a trumpet-shaped opening is formed between the first elastic clip and the second elastic clip, so that the to-be-tested electrode can be more easily inserted between the two.

[0015] According to the above solution, a plug-in part protruding forward is formed at the front end of the test module. The installation space penetrates through the plug-in part. The first elastic clip and the second elastic clip are located in the plug-in part.

[0016] The thickness of some electrodes to be measured is small. If the electrodes to be measured are inserted into the clip needles by hand, it is easy to cause deformation of the electrodes to be measured. Therefore, in some embodiments, a clamping assembly is further included. A jack for inserting the insertion portion is provided at the rear side of the clamping assembly. The clamping assembly includes an upper clamping plate and a lower clamping plate. The upper clamping plate is detachably fixed to the lower clamping plate. The jack is formed between the upper clamping plate and the lower clamping plate. When the upper clamping plate is fixed to the lower clamping plate, the electrode to be measured is clamped and fixed between the upper clamping plate and the lower clamping plate, and the contact point of the electrode to be measured is located in the jack.

[0017] With the above structural arrangement, when the insertion portion is inserted into the jack, the electrode to be measured is synchronously inserted between the first elastic clip and the second elastic clip. Then, the connection between the upper clamping plate and the lower clamping plate is released, and the electrode to be measured can be retained on the clip needle for subsequent testing.

[0018] It can be understood that in some embodiments, if the thickness of the electrode to be measured is large and it is not easy to deform, the clamping assembly may not be provided. The electrode to be measured is inserted into the clip needle by hand for testing.

[0019] According to the above solution, positioning holes are provided on the left and right sides of the electrode to be measured, and positioning posts are provided on the lower clamping plate and are matched with the positioning holes. Through the cooperation of the positioning holes and the positioning posts, it is effectively ensured that when the electrode to be measured is clamped between the upper clamping plate and the lower clamping plate, the contact point of the electrode to be measured is located in the jack.

[0020] According to the above solution, the electrode to be measured is an electrode sheet having one or more electrodes connected to a substrate. With the above structural arrangement, it is possible to select to test one or more electrodes in one operation according to actual needs.

[0021] It can be understood that the number of the insertion portions corresponds to the number of electrodes; the number of clip needles in each insertion portion corresponds to the number of contact points on each electrode. After the test is completed, the electrode can be cut off from the substrate.

[0022] According to the above solution, the test module includes an upper cover plate, a mounting plate, and a test substrate that are detachably and fixedly connected in sequence from top to bottom. The installation space is formed between the upper cover plate and the mounting plate. The clip needle is clamped and fixed between the upper cover plate and the mounting plate. The test circuit board is provided on the test substrate.

[0023] With the above structural arrangement, when the clip needle fails, the clip needle can be replaced by removing the upper cover plate from the mounting plate, and the operation is simple and convenient.

[0024] According to the above solution, the mounting plate is provided with mounting holes communicating with the mounting space. A double-headed spring probe is arranged in the mounting holes. The first end of the double-headed spring probe is in electrical contact with the clip needle, and the second end is in electrical contact with the signal point of the circuit board.

[0025] Since both ends of the double-headed spring probe can be telescopic, the double-headed spring probe can effectively contact the clip needle and the signal point of the circuit board, thereby improving the stability of the electrical connection; and through the above structural arrangement, when the double-headed spring probe fails, it can be quickly replaced.

[0026] According to the above solution, it further includes a container for holding the liquid to be tested. A partition is detachably fixed to the upper part of the container, and a through hole for the probe on the test electrode to pass through is provided on the partition.

[0027] Through the above structural arrangement, during the test, the probe on the test electrode passes through the through hole and immerses into the liquid to be tested contained in the container. The contact point of the test electrode is isolated above it by the partition, so that there is no influence of water vapor on the contact point during the test, which is beneficial to improving the test accuracy.

[0028] The beneficial effects of the present utility model are as follows:

[0029] In the present utility model, an installation space for inserting the test electrode is formed at the front part of the test module. A clip needle is fixed in the installation space. The clip needle is used to clamp the test electrode and is in electrical contact with the contact point on the test electrode. A test circuit board is arranged in the test module, and the clip needle is electrically connected to the signal point of the test circuit board; inserting the test electrode into the clip needle located in the installation space enables the clip needle to clamp the test electrode and be in electrical contact with the contact point on the test electrode, and the current is transmitted to the test circuit board through the contact point and the clip needle, so that the test of the test electrode can be realized. Its structure is simple, the operation is convenient, and the test efficiency is high. Description of the Drawings

[0030] Figure 1 is the structural schematic diagram of the test module of the present utility model Figure 1 ;

[0031] Figure 2 is the structural schematic diagram of the test module of the present utility model Figure 2 ;

[0032] Figure 3 is the structural schematic diagram of the clamping assembly of the present utility model;

[0033] Figure 4 is the structural schematic diagram of the test electrode of the present utility model;

[0034] Figure 5is the usage state of the CGM sensor electrode test tooling of the present utility model Figure 1 ;

[0035] Figure 6 is Figure 5 the enlarged view of part A in

[0036] Figure 7 is the usage state of the CGM sensor electrode test tooling of the present utility model Figure 2 ;

[0037] Figure 8 is the structural schematic diagram of the partition board of the present utility model

[0038] In the figure: 1. test module; 11. upper cover plate; 12. mounting plate; 121. mounting hole; 122. double-headed spring probe; 13. test substrate; 14. plug-in part; 2. electrode to be tested; 21. positioning hole; 22. probe; 3. installation space; 4. clip needle; 41. needle body; 42. first elastic clip; 421. upper extension piece; 43. second elastic clip; 431. lower extension piece; 5. clamping assembly; 51. upper clamping plate; 52. lower clamping plate; 521. positioning post; 53. jack; 6. container; 61. partition board; 611. through hole Specific embodiments

[0039] The following will describe in detail the embodiments of the present utility model with reference to the accompanying drawings. However, the present utility model can be implemented in many different ways defined and covered by the claims

[0040] As Figures 1-8 shown, the present utility model provides a CGM sensor electrode test tooling, including a test module 1. An installation space 3 for inserting an electrode 2 to be tested is formed at the front part of the test module 1. A clip needle 4 is fixed in the installation space 3. The clip needle 4 is used for clamping the electrode 2 to be tested and making electrical contact with the contact point on the electrode 2 to be tested

[0041] A test circuit board (not shown in the figure) is provided in the test module 1. The clip needle 4 is electrically connected to the signal point of the test circuit board

[0042] Through the above structural arrangement, the electrode 2 to be tested is inserted into the clip needle 4 located in the installation space 3, so that the clip needle 4 clamps the electrode 2 to be tested and makes electrical contact with the contact point on the electrode 2 to be tested. The current is transmitted to the test circuit board through the contact point and the clip needle 4, and the test of the electrode 2 to be tested can be realized. Its structure is simple, the operation is convenient, and the test efficiency is high

[0043] Furthermore, the clip needle 4 includes a needle body 41, a first elastic clip 42 and a second elastic clip 43 that are symmetrically fixed to the front side of the needle body 41 up and down. The front ends of the first elastic clip 42 and the second elastic clip 43 are both arranged to incline towards the direction of the electrode 2 to be measured, so as to have an interference contact with the electrode 2 to be measured. Through the above structural arrangement, it is beneficial to improve the stability of the clip needle 4 for clamping the electrode 2 to be measured.

[0044] Furthermore, an upper extension piece 421 that inclines towards the top surface of the installation space 3 is connected to the front end of the first elastic clip 42; a lower extension piece 431 that inclines towards the bottom surface of the installation space 3 is connected to the front end of the second elastic clip 43.

[0045] By providing the upper extension piece 421 and the lower extension piece 431, a trumpet-shaped opening is formed between the first elastic clip 42 and the second elastic clip 43, so that the electrode 2 to be measured is more easily inserted between the two.

[0046] Furthermore, a plug-in part 14 that protrudes forward is formed at the front end of the test module 1. The installation space 3 penetrates through the plug-in part 14, and the first elastic clip 42 and the second elastic clip 43 are located inside the plug-in part 14.

[0047] Furthermore, a clamping assembly 5 is further included. A jack 53 for inserting the plug-in part 14 is provided at the rear side of the clamping assembly 5; the clamping assembly 5 includes an upper clamping plate 51 and a lower clamping plate 52. The upper clamping plate 51 is detachably fixed to the lower clamping plate 52, and the jack 53 is formed between the upper clamping plate 51 and the lower clamping plate 52; when the upper clamping plate 51 is fixed to the lower clamping plate 52, the electrode 2 to be measured is clamped and fixed between the upper clamping plate 51 and the lower clamping plate 52, and the contact point of the electrode 2 to be measured is located inside the jack 53.

[0048] Through the above structural arrangement, when the plug-in part 14 is inserted into the jack 53, the electrode 2 to be measured is synchronously inserted between the first elastic clip 42 and the second elastic clip 43; then the connection between the upper clamping plate 51 and the lower clamping plate 52 is released, and the electrode 2 to be measured can be retained and clamped on the clip needle 4 for subsequent testing.

[0049] Furthermore, positioning holes 21 are provided on the left and right sides of the electrode 2 to be measured, and positioning posts 521 that cooperate with the positioning holes 21 are provided on the lower clamping plate 52. Through the cooperation of the positioning holes 21 and the positioning posts 521, it is effectively ensured that when the electrode 2 to be measured is clamped between the upper clamping plate 51 and the lower clamping plate 52, the contact point of the electrode 2 to be measured is located inside the jack 53.

[0050] Furthermore, the electrode 2 to be measured is an electrode sheet with one or more electrodes connected to a substrate. Through the above structural arrangement, it is possible to select to test one or more electrodes in one operation according to actual needs.

[0051] Furthermore, the test module 1 includes an upper cover plate 11, a mounting plate 12, and a test substrate 13 that are detachably and fixedly connected in sequence from top to bottom. The installation space 3 is formed between the upper cover plate 11 and the mounting plate 12; the clip needle 4 is clamped and fixed between the upper cover plate 11 and the mounting plate 12; the test circuit board is disposed on the test substrate 13.

[0052] Through the above structural arrangement, when the clip needle 4 fails, the clip needle 4 can be replaced by removing the upper cover plate 11 from the mounting plate 12, and the operation is simple and convenient.

[0053] Furthermore, the mounting plate 12 is provided with a mounting hole 121 communicating with the installation space 3. A double-headed spring probe 122 is disposed in the mounting hole 121. The first end of the double-headed spring probe 122 is in electrical contact with the clip needle 4, and the second end is in electrical contact with the signal point of the circuit board.

[0054] Since both ends of the double-headed spring probe 122 can be telescoped, the double-headed spring probe 122 can effectively contact the clip needle 4 and the signal point of the circuit board, thereby improving the stability of the electrical connection; and through the above structural arrangement, when the double-headed spring probe 122 fails, it can be quickly replaced.

[0055] Furthermore, it further includes a container 6 for containing the liquid to be measured. A partition plate 61 is detachably and fixedly provided on the upper part of the container 6. A through hole 611 for the probe 22 on the electrode 2 to be measured to pass through is formed on the partition plate 61.

[0056] Through the above structural arrangement, during the test, the probe 22 on the electrode 2 to be measured passes through the through hole 611 and is immersed in the liquid to be measured contained in the container 6. The contact point of the electrode 2 to be measured is isolated above the partition plate 61, so that there is no influence of water vapor on the contact point during the test process, which is beneficial to improving the test accuracy.

[0057] When the CGM sensor electrode test tooling of the present utility model is in use, as Figure 3 shown, the positioning holes 21 on the left and right sides of the electrode 2 to be measured are inserted into the positioning posts 521 of the lower clamping plate 52, and then the upper clamping plate 51 is installed on the lower clamping plate 52, so that the electrode 2 to be measured is clamped and fixed between the upper clamping plate 51 and the lower clamping plate 52. The contact point of the electrode 2 to be measured is located in the jack 53; then the insertion portion 14 of the test module 1 is aligned with the jack 53 and inserted, so that the electrode 2 to be measured is synchronously inserted between the first elastic clip 42 and the second elastic clip 43; asFigures 5-6 As shown, then disconnect the upper clamping plate 51 and the lower clamping plate 52, and the electrode 2 to be tested can be retained on the clip needle 4; as Figure 7 shown, then drive the test module 1 so that the probe 22 on the electrode 2 to be tested penetrates through the through hole 611 and immerses in the liquid to be tested contained in the container 6; the current is transmitted to the test circuit board through the contact point, the clip needle 4 and the double-headed spring probe 122, and the test of the electrode 2 to be tested can be realized.

[0058] The above is only the preferred embodiment of the present invention. Therefore, all equivalent changes or modifications made according to the structure, features and principles described in the scope of the patent application of the present invention are included in the scope of the patent application of the present invention.

Claims

1. A CGM sensor electrode test tooling, comprising a test module (1), characterized in that a mounting space (3) for inserting a to-be-tested electrode (2) is formed at the front part of the test module (1), a clip needle (4) is fixed in the mounting space (3), and the clip needle (4) is used for clamping the to-be-tested electrode (2) and making electrical contact with the contact point on the to-be-tested electrode (2); a test circuit board is arranged in the test module (1), and the clip needle (4) is electrically connected to the signal point of the test circuit board.

2. The CGM sensor electrode testing tooling according to claim 1, wherein The clip needle (4) comprises a needle body (41), a first elastic clip (42) and a second elastic clip (43) which are symmetrically fixed on the front side of the needle body (41) up and down, and the front ends of the first elastic clip (42) and the second elastic clip (43) are both arranged to incline towards the direction close to the to-be-tested electrode (2) so as to make interference contact with the to-be-tested electrode (2).

3. The CGM sensor electrode testing tooling according to claim 2, wherein An upper extension piece (421) which inclines towards the top surface of the mounting space (3) is connected to the front end of the first elastic clip (42); a lower extension piece (431) which inclines towards the bottom surface of the mounting space (3) is connected to the front end of the second elastic clip (43).

4. The CGM sensor electrode testing tooling according to claim 2, wherein A plug-in part (14) protruding forward is formed at the front end of the test module (1), the mounting space (3) penetrates through the plug-in part (14), and the first elastic clip (42) and the second elastic clip (43) are located in the plug-in part (14).

5. The CGM sensor electrode test tooling according to claim 4, wherein It further comprises a clamping assembly (5), and a jack (53) for inserting the plug-in part (14) is arranged at the rear side of the clamping assembly (5); The clamping assembly (5) comprises an upper clamping plate (51) and a lower clamping plate (52), the upper clamping plate (51) is detachably fixed on the lower clamping plate (52), and the jack (53) is formed between the upper clamping plate (51) and the lower clamping plate (52); When the upper clamping plate (51) is fixed on the lower clamping plate (52), the to-be-tested electrode (2) is clamped and fixed between the upper clamping plate (51) and the lower clamping plate (52), and the contact point of the to-be-tested electrode (2) is located in the jack (53).

6. The CGM sensor electrode test tooling according to claim 5, wherein, Positioning holes (21) are arranged on the left and right sides of the to-be-tested electrode (2), and positioning posts (521) matched with the positioning holes (21) are arranged on the lower clamping plate (52).

7. The CGM sensor electrode test tooling according to claim 1, wherein The to-be-tested electrode (2) is an electrode sheet with one or more electrodes connected on a base material.

8. The CGM sensor electrode test tooling according to claim 1, characterized in that, The test module (1) comprises an upper cover plate (11), a mounting plate (12) and a test substrate (13) which are detachably and fixedly connected in sequence from top to bottom, and the mounting space (3) is formed between the upper cover plate (11) and the mounting plate (12); The clip needle (4) is clamped and fixed between the upper cover plate (11) and the mounting plate (12); the test circuit board is arranged on the test substrate (13).

9. The CGM sensor electrode test tooling according to claim 8, wherein, Mounting holes (121) communicated with the mounting space (3) are arranged on the mounting plate (12), double-headed spring probes (122) are arranged in the mounting holes (121), the first end of the double-headed spring probe (122) is in electrical contact with the clip needle (4), and the second end is in electrical contact with the signal point of the circuit board.

10. The CGM sensor electrode test tooling according to claim 1, wherein, Further included is a container (6) for containing a liquid to be measured, a partition plate (61) is detachably fixed to the upper part of the container (6), and a through hole (611) through which a probe (22) on the electrode (2) to be measured passes is formed in the partition plate (61).

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