CN205581045U - Detection electrode - Google Patents
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- CN205581045U CN205581045U CN201620400248.1U CN201620400248U CN205581045U CN 205581045 U CN205581045 U CN 205581045U CN 201620400248 U CN201620400248 U CN 201620400248U CN 205581045 U CN205581045 U CN 205581045U
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- 238000001514 detection method Methods 0.000 title claims abstract description 73
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 239000008280 blood Substances 0.000 abstract description 21
- 210000004369 blood Anatomy 0.000 abstract description 21
- 238000005259 measurement Methods 0.000 description 14
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 13
- 239000008103 glucose Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 5
- 102000004190 Enzymes Human genes 0.000 description 2
- 108090000790 Enzymes Proteins 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 206010012601 diabetes mellitus Diseases 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- PHOQVHQSTUBQQK-SQOUGZDYSA-N D-glucono-1,5-lactone Chemical compound OC[C@H]1OC(=O)[C@H](O)[C@@H](O)[C@@H]1O PHOQVHQSTUBQQK-SQOUGZDYSA-N 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 235000012209 glucono delta-lactone Nutrition 0.000 description 1
- 229960003681 gluconolactone Drugs 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
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Abstract
本实用新型提供一种检测电极，包括基片、测量电极和空白检测电极，基片的下端设有样品槽，样品槽的加样口位于样品槽的下端，样品槽的下端与基片的下端齐平，样品槽的中部间隔设有两个测量电极，两个测量电极分别与测量电极导线相连接，样品槽上端两个测量电极的上方间隔设有两个空白检测电极，两个空白检测电极分别与空白检测电极导线相连接。本实用新型血样从加样口加入到样品槽中，淹没两个测量电极时，检测电极并不启动进行检测，当血样继续增加淹没两个空白检测电极时，电路联通，开始检测，这样可以使血样在检测前完全充满样品槽，确保血样充足，防止错误启动产生不准确的结果。
The utility model provides a detection electrode, which includes a substrate, a measuring electrode and a blank detection electrode. The lower end of the substrate is provided with a sample groove, the sample inlet of the sample groove is located at the lower end of the sample groove, and the lower end of the sample groove is connected to the lower end of the substrate. Flush, two measuring electrodes are arranged at intervals in the middle of the sample tank, and the two measuring electrodes are respectively connected to the measuring electrode wires, two blank detection electrodes are arranged at intervals above the two measuring electrodes at the upper end of the sample tank, and two blank detection electrodes are Connect with the blank detection electrode leads respectively. In the utility model, the blood sample is added into the sample tank from the sample inlet, and when the two measuring electrodes are submerged, the detection electrode does not start to detect. The blood sample completely fills the sample tank before testing to ensure sufficient blood samples and prevent inaccurate results from false starts.
Description
技术领域technical field
本实用新型属于体外诊断试剂领域，尤其是涉及一种检测电极。The utility model belongs to the field of in vitro diagnostic reagents, in particular to a detection electrode.
背景技术Background technique
随着国内糖尿病人群的不断扩大，快速检测血糖，在糖尿病护理或治疗过程中发挥着越来越重要的作用；血糖在临床上是一项非常重要的检测项目，目前应用广泛的快速检测方法是电化学法，其原理是：将血样置于葡萄糖传感器的反应层，血样中的葡萄糖与反应层中的酶发生氧化还原反应，葡萄糖被氧化，产生葡萄糖内酯，氧化过程中采用电子媒介与酶进行电子交换；葡萄糖氧化过程中产生的电子数量与样品中的葡萄糖数量成正比，当一个规定的电压加在电极的两端时，产生的电子在测量电极的表面被氧化，通过电流检测得到血样中的葡萄糖浓度。With the continuous expansion of domestic diabetic population, rapid detection of blood glucose is playing an increasingly important role in the process of diabetes care or treatment; blood glucose is a very important detection item in clinical practice, and the currently widely used rapid detection method is Electrochemical method, the principle is: place the blood sample in the reaction layer of the glucose sensor, the glucose in the blood sample undergoes a redox reaction with the enzyme in the reaction layer, the glucose is oxidized to produce gluconolactone, the oxidation process uses an electronic medium and an enzyme Conduct electron exchange; the number of electrons generated during the glucose oxidation process is proportional to the amount of glucose in the sample. When a specified voltage is applied to both ends of the electrode, the generated electrons are oxidized on the surface of the measuring electrode, and the blood sample is obtained through current detection. glucose concentration in .
然而，目前的葡萄糖检测电极即使在样品量充入不足的情况下，也会进行检测，导致检测的结果不准确，在这种情况下，检测的葡萄糖水平将会低于实际的葡萄糖水平。However, the current glucose detection electrode will perform detection even when the sample volume is insufficient, resulting in inaccurate detection results. In this case, the detected glucose level will be lower than the actual glucose level.
发明内容Contents of the invention
本实用新型的目的是提供一种检测电极，可以使血样在检测前完全充满样品槽，确保血样充足，防止错误启动产生不准确的结果。The purpose of the utility model is to provide a detection electrode, which can completely fill the sample tank with the blood sample before detection, so as to ensure that the blood sample is sufficient and prevent inaccurate results from false start.
本实用新型的技术方案是：The technical scheme of the utility model is:
一种检测电极，包括基片、测量电极和空白检测电极，基片的下端设有样品槽，样品槽的加样口位于样品槽的下端，样品槽的下端与基片的下端齐平，样品槽的中部间隔设有两个测量电极，两个测量电极分别与测量电极导线相连接，样品槽上端两个测量电极的上方间隔设有两个空白检测电极，两个空白检测电极分别与空白检测电极导线相连接。A detection electrode, including a substrate, a measuring electrode and a blank detection electrode, the lower end of the substrate is provided with a sample groove, the sample inlet of the sample groove is located at the lower end of the sample groove, the lower end of the sample groove is flush with the lower end of the substrate, and the sample There are two measuring electrodes at intervals in the middle of the tank, and the two measuring electrodes are respectively connected to the measuring electrode wires. Two blank detection electrodes are arranged at intervals above the two measuring electrodes at the upper end of the sample tank, and the two blank detection electrodes are respectively connected to the blank detection electrodes. The electrode leads are connected.
所述测量电极和空白检测电极分别为碳电极。The measuring electrodes and the blank detecting electrodes are carbon electrodes respectively.
所述测量电极用于准确测量葡萄糖的反应情况，将信号传送至传感器。The measuring electrodes are used to accurately measure the response of glucose and transmit the signal to the sensor.
所述空白检测电极位于样品槽的顶部，当血样充足淹没空白检测电极时，电路联通，测量电极开始工作，本实用新型检测电极用于确保血样充足防止检测错误启动和出现不准确结果。The blank detection electrode is located on the top of the sample tank. When the blood sample is sufficient to submerge the blank detection electrode, the circuit is connected and the measurement electrode starts to work. The detection electrode of the utility model is used to ensure that the blood sample is sufficient to prevent false start of detection and inaccurate results.
所述测量电极为长方形，两个测量电极间隔设置在样品槽的中部。The measuring electrodes are rectangular, and two measuring electrodes are arranged in the middle of the sample tank at intervals.
两个测量电极平行设置，一个测量电极设置在另一个测量电极的上方。Two measuring electrodes are arranged in parallel, and one measuring electrode is arranged above the other measuring electrode.
所述空白检测电极为长方形，两个空白检测电极的上边在同一条直线上。The blank detection electrodes are rectangular, and the upper sides of the two blank detection electrodes are on the same straight line.
所述样品槽为长方形，所述两个空白检测电极的上边与样品槽的上边在同一条直线上。The sample tank is rectangular, and the upper sides of the two blank detection electrodes are on the same straight line as the upper side of the sample tank.
所述样品槽为长方形，所述两个空白检测电极的上边位于样品槽上边的上方。The sample slot is rectangular, and the upper sides of the two blank detection electrodes are located above the upper side of the sample slot.
所述两个空白检测电极中心的距离小于或等于样品槽的宽度。The distance between the centers of the two blank detection electrodes is less than or equal to the width of the sample groove.
两个测量电极导线和两个空白检测电极导线平行设置在基片上。Two measuring electrode wires and two blank detection electrode wires are arranged on the substrate in parallel.
本实用新型具有的优点和积极效果是：血样从加样口被允吸进入样品槽，当血样接触到两个空白检测电极后，两个测量电极启动开始检测，这样确保在测量期间，两个测量电极完全被血样覆盖，可得到更加准确的检测结果；若血样未接触到空白检测电极，测量电极不会启动，避免出现错误结果。本实用新型检测电极结构简单，使用方便，检测结果准确。The utility model has the advantages and positive effects: the blood sample is sucked into the sample tank from the sample inlet, and when the blood sample touches the two blank detection electrodes, the two measurement electrodes start to detect, thus ensuring that during the measurement, the two The measurement electrode is completely covered by the blood sample, so that more accurate detection results can be obtained; if the blood sample does not touch the blank detection electrode, the measurement electrode will not start to avoid erroneous results. The detection electrode of the utility model has the advantages of simple structure, convenient use and accurate detection result.
附图说明Description of drawings
图1是本实用新型的结构示意图Fig. 1 is the structural representation of the utility model
图中：In the picture:
1、基片 2、样品槽 3、加样口 4、测量电极 5、空白检测电极 41、测量电极导线 51、空白检测电极导线1. Substrate 2. Sample tank 3. Sample inlet 4. Measurement electrode 5. Blank detection electrode 41. Measurement electrode wire 51. Blank detection electrode wire
具体实施方式detailed description
如图1所示，本实用新型一种检测电极，包括基片1、测量电极4和空白检测电极5，基片1的下端设有样品槽2，样品槽2的加样口3位于样品槽2的下端，样品槽2的下端与基片1的下端齐平，样品槽2的中部间隔设有两个测量电极4，两个测量电极4分别与测量电极导线41相连接，样品槽2上端两个测量电极4的上方间隔设有两个空白检测电极5，两个空白检测电极5分别与空白检测电极51导线相连接。测量电极4和空白检测电极5可分别为常用的碳电极。测量电极4用于准确测量葡萄糖的反应情况，将信号传送至传感器。空白检测电极5位于样品槽2的上端，当血样充足淹没空白检测电极5时，电路联通，测量电极4开始工作。As shown in Figure 1, a detection electrode of the utility model comprises a substrate 1, a measuring electrode 4 and a blank detection electrode 5, the lower end of the substrate 1 is provided with a sample tank 2, and the sample port 3 of the sample tank 2 is located in the sample tank 2, the lower end of the sample tank 2 is flush with the lower end of the substrate 1, and the middle part of the sample tank 2 is provided with two measuring electrodes 4 at intervals, and the two measuring electrodes 4 are respectively connected with the measuring electrode wires 41, and the upper end of the sample tank 2 Two blank detection electrodes 5 are arranged at intervals above the two measurement electrodes 4 , and the two blank detection electrodes 5 are respectively connected to the blank detection electrodes 51 by wires. The measurement electrode 4 and the blank detection electrode 5 can be commonly used carbon electrodes respectively. The measuring electrode 4 is used to accurately measure the response of glucose and transmit the signal to the sensor. The blank detection electrode 5 is located at the upper end of the sample tank 2. When the blood sample is sufficient to submerge the blank detection electrode 5, the circuit is connected and the measurement electrode 4 starts to work.
进一步的测量电极4为长方形，两个测量电极4间隔设置在样品槽2的中部。The further measuring electrodes 4 are rectangular, and two measuring electrodes 4 are arranged in the middle of the sample tank 2 at intervals.
两个测量电极4可以平行设置，其中一个测量电极4设置在另一个测量电极4的上方。Two measuring electrodes 4 can be arranged in parallel, wherein one measuring electrode 4 is arranged above the other measuring electrode 4 .
空白检测电极5也可以为长方形，两个空白检测电极5的上边在同一条直线上。The blank detection electrodes 5 can also be rectangular, and the upper sides of the two blank detection electrodes 5 are on the same straight line.
进一步的，样品槽2为长方形，所述两个空白检测电极5的上边与样品槽2的上边在同一条直线上，两个空白检测电极5的上边也可以位于样品槽2上边的上方。Further, the sample chamber 2 is rectangular, and the upper sides of the two blank detection electrodes 5 and the upper side of the sample chamber 2 are on the same straight line, and the upper sides of the two blank detection electrodes 5 may also be located above the upper side of the sample chamber 2 .
两个空白检测电极5中心的距离小于或等于样品槽2的宽度。The distance between the centers of the two blank detection electrodes 5 is less than or equal to the width of the sample groove 2 .
两个测量电极导线41和两个空白检测电极导线51平行设置在基片1上Two measuring electrode wires 41 and two blank detection electrode wires 51 are arranged in parallel on the substrate 1
本实例的工作过程：血样从加样口3被允吸进入样品槽2，当血样接触到两个空白检测电极5后，两个测量电极4启动开始检测，这样确保在测量期间，两个测量电极4完全被血样覆盖，可得到更加准确的检测结果；若血样未接触到空白检测电极5，测量电极4不会启动，避免出现错误结果The working process of this example: the blood sample is sucked into the sample tank 2 from the sample inlet 3, and when the blood sample touches the two blank detection electrodes 5, the two measurement electrodes 4 start to detect, thus ensuring that during the measurement, the two measurement electrodes The electrode 4 is completely covered by the blood sample, so that more accurate detection results can be obtained; if the blood sample is not in contact with the blank detection electrode 5, the measurement electrode 4 will not be activated, avoiding erroneous results
以上对本实用新型的一个实施例进行了详细说明，但所述内容仅为本实用新型的较佳实施例，不能被认为用于限定本实用新型的实施范围。凡依本实用新型申请范围所作的均等变化与改进等，均应仍归属于本实用新型的专利涵盖范围之内。An embodiment of the present utility model has been described in detail above, but the content described is only a preferred embodiment of the present utility model, and cannot be considered as limiting the implementation scope of the present utility model. All equal changes and improvements made according to the application scope of the utility model should still belong to the scope covered by the patent of the utility model.
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