CN102967636A - Automatic coding device, biosensor with the same and manufacturing method - Google Patents
Automatic coding device, biosensor with the same and manufacturing method Download PDFInfo
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Abstract
The invention provides an automatic coding device composed of a first electrode, a second electrode and a third electrode. The first electrode and the second electrode are connected through a connection point so as to make the electrical parameter between the first electrode and the second electrode vary according to the parameter needing to be calibrated. The invention also provides application of the automatic coding device to various biosensors and a manufacturing method of the automatic coding device. The positions and the number of contact points connecting the automatic coding device and a detection system are fixed, so that the connection sites on the detection system can be effectively used. On the other hand, the automatic coding device provided in the invention can provide different parameter information only by changing the connection point positions on the electrodes. The process is simple and stable, and reduces the probability of human errors.
Description
Technical field
The manufacture method that the present invention relates to a kind of automatic coding device and have the biology sensor of automatic coding device and make this automatic coding device.
Background technology
In recent years, from utilizing at first clinical labororatory's pattern detection, be attainable fast detecting at one's side to only needing in doctor's office or patient, huge variation has occured in medical health care.Disposable zymetology biology sensor is often used in the fast detecting.People utilize the catalytic action of enzyme spcificity, develop various types of biology sensors, for example, are used for the biology sensor of blood sugar test.The electrochemical method of biology sensor usually adopts anode and negative electrode is fixed on the insulated substrate, and reaction reagent covers the method on the electrode.After adding sample, redox reaction occurs in the target substance in the sample under the catalytic action of enzyme, and oxygen or electronics transmission carrier are reduced, and the oxygen that be reduced this moment or electronics transmit carrier and discharge electronics because electrode potential is forced to oxidation, cause the variation of electronics.It is exactly electrochemical determination method that such electronic variable is given the method that quantification detects target substance content indirectly.For example, US Patent No. 5120420, US5320732, US5141868 etc. have disclosed the biology sensor of the detection blood sugar of disposal type.These sensors are comprised of two plastic sheets that roll together.The formed exhaust capillary channel of this structure can be incorporated into sample inner conversion zone.Enzyme layer on sample and the biology sensor and electrode contact also react, and detecting instrument collects the reaction signal that provides on the biology sensor, and the analyte in the sample is detected.
Along with the development of technology, only just can finish the mensuration of dissimilar biology sensors with a detecting instrument.Therefore for correct detecting, the biology sensor that detecting instrument must be judged current use is the detection of carrying out which kind of type.In addition, in process of production, can there be some differences in the biology sensor between each batch, and detecting instrument must judge these batches difference of biology sensor.
US Patent No. 5366609 has been used a kind of storage key that can plug.At first the control informations such as information with type of detection information or difference between batch are stored in this storage key, during use this key is inserted in the detecting instrument, after detecting instrument reads information in the key, the signal that biology sensor is given is made corresponding correction and finally provided testing result.Each stores only corresponding one batch biology sensor of key, and this just requires the user in use, confirms whether the lot number of current biology sensor using conforms to the corresponding key lot number that stores.The design that this control information and biology sensor separate, have the following disadvantages: 1) user is when using biology sensor to detect, need to carry out the operation of two steps, namely insert the storage key and insert two steps of biology sensor, therefore use very inconvenient.2) because one of the prior insertion that the very important person is stores key, this can exist the operator to forget the possibility of this step.
For above-mentioned weak point, US Patent No. 7415285 discloses control information has been incorporated on the biology sensor, to realize only needing single stepping just can finish the function of proofreading and correct and testing.This biology sensor comprises working electrode, reference electrode and is used for proofreading and correct the comparison electrode of difference between batch.Different thickness or figure by electrode are adjusted electrode resistance value, the parameter information that different resistance values is corresponding different.But deviation can occur in the thickness of electrode and figure etc. in process of production, relatively is difficult to obtain the uniform resistance absolute value of electrode.Can cause that so the different biology sensor control informations between same batch there are differences, and cause testing result inaccurate.
U.S. Patent application US20100170791A1 discloses a kind of biology sensor, and this sensor comprises the electrode of the parameter information that records this biology sensor.Described electrode has electrode pattern and forms thereon a plurality of contacts according to described parameter information, and described parameter information is based on the resistance ratios between a plurality of contacts.This U.S. Patent application has overcome difficult in process of production acquisition and has had the shortcoming of the electrode of even resistance value.But this invention has the following disadvantages: when needs are stored a large amount of control information, just need to have a plurality of contacts to finish the judgement task on the biology sensor, this can make detecting instrument also increase accordingly tie point, so that detecting instrument is not compatible.When the tie point quantity of detecting instrument is less than the contact of biology sensor, then detecting instrument can't work.When the tie point quantity of the detecting instrument contact more than biology sensor, then unnecessary tie point will be left unused, and both takes up space, and has also increased the cost of product.
Summary of the invention
In order to overcome defects, the invention provides a kind of automatic coding device, a kind of manufacture method with biology sensor and automatic coding device of automatic coding device.
1. automatic coding device, comprise insulativity base plate and the electrode system that is positioned on the insulativity base plate, this electrode system includes the first electrode (11), the second electrode (12) and third electrode (13), the first electrode (11) wherein, the second electrode (12) and third electrode (13) include respectively the first contact (21) that is electrically connected with detector, the second contact (22) and the 3rd contact (23), it is characterized in that, the first electrode (11) optionally is electrically connected on the first tie point (31) with the second electrode (12), the second electrode (12) optionally is electrically connected on the second tie point (32) with third electrode (13), the first contact (21), loop between the first tie point (31) and the second contact (22) is corresponding to electrical parameter R1, the second contact (22), loop between the second tie point (32) and the 3rd contact (23) is corresponding to electrical parameter R2, the first contact (21), the first tie point (31), then loop between the second tie point (32) and the 3rd contact (23) obtains a group coding according to one of following formula corresponding to electrical parameter R3:
Wherein, K1, K2, K3 are respectively correction factor.
2. according to 1 described automatic coding device, it is characterized in that: at least the second electrode comprises the circuitous serpentine configuration of wriggling.
3. according to 2 described automatic coding devices, it is characterized in that: at least the second electrode comprises several snakelike unit, and the electrical parameter of each snakelike unit is roughly the same.
4. according to 3 described automatic coding devices, it is characterized in that: determine its corresponding coding according to the snakelike element number that the loop comprised respectively between the loop between the first contact (21), the first tie point (31) and the second contact (22) and the first contact (21), the first tie point (31), the second tie point (32) and the 3rd contact (23).
5. according to 1 described automatic coding device, it is characterized in that: also include the 4th electrode (14), the 4th electrode (14) is electrically connected with the second electrode by the 3rd tie point (33), and the diverse location of the 3rd tie point (33) corresponds respectively to a group coding.
6. biology sensor, comprise the insulativity base plate and be positioned at a working electrode (41) on the insulativity base plate and one to electrode (42), at least be provided with reaction reagent layer at working electrode (41) with to one of electrode (42), it is characterized in that: this biology sensor also comprises a kind of automatic coding device, this automatic coding device comprises the electrode system that is positioned on the described insulativity base plate, this electrode system includes the first electrode (11), the second electrode (12) and third electrode (13), the first electrode (11) wherein, the second electrode (12) and third electrode (13) include respectively the first contact (21) that is electrically connected with detector, the second contact (22) and the 3rd contact (23), the first electrode (11) optionally is electrically connected on the first tie point (31) with the second electrode (12), the second electrode (12) optionally is electrically connected on the second tie point (32) with third electrode (13), the first contact (21), loop between the first tie point (31) and the second contact (22) is corresponding to electrical parameter R1, the second contact (22), loop between the second tie point (32) and the 3rd contact (23) is corresponding to electrical parameter R2, the first contact (21), the first tie point (31), then loop between the second tie point (32) and the 3rd contact (23) obtains a group coding according to one of following formula corresponding to electrical parameter R3:
Wherein, K1, K2, K3 are respectively a correction factor.
7. according to 6 described biology sensors, it is characterized in that: at least the second electrode comprises the circuitous serpentine configuration of wriggling, and the second electrode comprises several snakelike unit, and the electrical parameter of each snakelike unit is roughly the same.
8. according to 7 described biology sensors, it is characterized in that: the coding of determining its representative according to the snakelike element number that the loop comprised respectively between the loop between the first contact (21), the first tie point (31) and the second contact (22) and the first contact (21), the first tie point (31), the second tie point (32) and the 3rd contact (23).
9. according to 6 described biology sensors, it is characterized in that: also include the 4th electrode (14), the 4th electrode (14) is electrically connected with the second electrode by the 3rd tie point (33), and the diverse location of the 3rd tie point (33) corresponds respectively to a group coding.
10. according to any one described biology sensor of 6-9, it is characterized in that: automatic coding device and working electrode and electrode is positioned at the same face or the opposite face of insulativity base plate.
11, according to 1 described code device, it is characterized in that: the first electrode (11) optionally is electrically connected on the first tie point (31) with the second electrode (12), refer to when connecting the first electrode (11) and be positioned at different positions from first tie point (31) of the second electrode (12), code device is corresponding to different codings, equally, the second electrode (12) optionally is electrically connected on the second tie point (32) with third electrode (13), refer to that when connecting the second electrode (12) and be positioned at different positions from second tie point (32) of third electrode (13), code device is corresponding to different codings.
12. automatic coding device, comprise insulativity base plate and the electrode system that is positioned on the insulativity base plate, this electrode system includes the first electrode (11), the second electrode (12) and third electrode (13), the first electrode (11) wherein, the second electrode (12) and third electrode (13) include respectively the first contact (21) that is electrically connected with detector, the second contact (22) and the 3rd contact (23), it is characterized in that, the at least the second electrode includes the circuitous serpentine configuration of wriggling, the first electrode (11) optionally is electrically connected on the first tie point (31) with the second electrode (12), the second electrode (12) optionally is electrically connected on the second tie point (32) with third electrode (13), when the first tie point (31) when being positioned at primary importance, the first contact (21), loop between the first tie point (31) and the second contact (22) is corresponding to electrical parameter R1, when the first tie point (31) when being positioned at the second place, the first contact (21), loop between the first tie point (31) and the second contact (22) is corresponding to electrical parameter R1 ', and the value of electrical parameter R1 and R1 ' corresponds respectively to two groups of different codings.
13, according to 12 described automatic coding devices, it is characterized in that: the loop between the second contact (22), the second tie point (32) and the 3rd contact (23) is corresponding to electrical parameter R2, loop between the first contact (21), the first tie point (31), the second tie point (32) and the 3rd contact (23) is corresponding to electrical parameter R3, electrical parameter R1, R2 and R3 are corresponding to the first group coding, and R1 ', R2 and R3 are corresponding to the second group coding.
14, according to 13 described automatic coding devices, it is characterized in that: obtain a group coding according to one of following formula:
Wherein, K1, K2, K3 are respectively a correction factor, and R1 obtains another group coding when being replaced by R1 '.
15. biology sensor, comprise the insulativity base plate and be positioned at a working electrode (41) on the insulativity base plate and one to electrode (42), at least be provided with reaction reagent layer at working electrode (41) with to one of electrode (42), it is characterized in that: this biology sensor also comprises a kind of automatic coding device, this automatic coding device comprises the electrode system that is positioned on the described insulativity base plate, this electrode system includes the first electrode (11), the second electrode (12) and third electrode (13), the first electrode (11) wherein, the second electrode (12) and third electrode (13) include respectively the first contact (21) that is electrically connected with detector, the second contact (22) and the 3rd contact (23), the at least the second electrode includes the circuitous serpentine configuration of wriggling, the first electrode (11) optionally is electrically connected on the first tie point (31) with the second electrode (12), the second electrode (12) optionally is electrically connected on the second tie point (32) with third electrode (13), when the first tie point (31) when being positioned at primary importance, the first contact (21), loop between the first tie point (31) and the second contact (22) is corresponding to electrical parameter R1, when the first tie point (31) when being positioned at the second place, the first contact (21), loop between the first tie point (31) and the second contact (22) is corresponding to electrical parameter R1 ', and the value of electrical parameter R1 and R1 ' corresponds respectively to two groups of different codings.
16, according to 15 described biology sensors, it is characterized in that: the loop between the second contact (22), the second tie point (32) and the 3rd contact (23) is corresponding to electrical parameter R2, loop between the first contact (21), the first tie point (31), the second tie point (32) and the 3rd contact (23) is corresponding to electrical parameter R3, electrical parameter R1, R2 and R3 are corresponding to the first group coding, and R1 ', R2 and R3 are corresponding to the second group coding.
17, according to 16 described biology sensors, it is characterized in that: obtain a group coding according to one of following formula:
Wherein, K1, K2, K3 are respectively a correction factor, and R1 obtains another group coding when being replaced by R1 '.
18. the manufacture method of an automatic coding device may further comprise the steps:
An insulativity base plate is provided, comprise at least on the described insulativity base plate have the first electrode (11), the electrode system of the second electrode (12) and third electrode (13);
To connect by the first tie point (31) between the first electrode and the second electrode;
To connect by the second tie point (32) between the second electrode and the third electrode;
Determine that according to the information that the automatic coding device will be encoded described the first tie point (31) is at the first electrode and the second interelectrode link position.
19. according to 18 described manufacture methods, it is characterized in that: determine the link position of described the second tie point (32) between the second electrode and third electrode according to the information that the automatic coding device will be encoded.
20. according to 18 described manufacture methods, it is characterized in that: the method by printing is arranged on conductive material on position corresponding to the first tie point and the second tie point.
21. according to 18 described manufacture methods, it is characterized in that: pass through first the method for printing so that the first electrode forms a plurality of connections site with being connected between electrode, then cut off other connection sites of removing the first tie point between the first electrode and the second electrode by the method for cut.
22. according to 18 described manufacture methods, it is characterized in that: the method by printing forms a plurality of connections site so that the second electrode is connected with third electrode first, then cuts off other connection sites of removing the second tie point between the second electrode and the third electrode by the method for cut.
23. according to 18 described manufacture methods, it is characterized in that: the second electrode (12) is comprised of snakelike unit.
24. according to 18 described manufacture methods, it is characterized in that: on the insulativity base plate, also comprise the 4th electrode (14), connect by the 3rd tie point (32) between described the 4th electrode (14) and the second electrode (12).
The invention has the beneficial effects as follows: according to the type of the correction equations such as the different production batch of biology sensor, different temperature, HCT correction or different analyte, tie point is arranged on two interelectrode diverse locations, so that the resistance between two electrode loops can be according to the different position of tie point and difference, the given electrical parameter of automatic coding device is also different.The electrical parameter that detecting instrument is different according to the automatic coding device is selected the correction parameter of this biology sensor, finally draws the analyte which kind of type testing result or judgement carry out and detects.Design of the present invention does not need to change the contact position between automatic coding device and the detecting instrument, the contact position and the quantity that are connected with detecting instrument on the automatic coding device are fixed, therefore the connection site on the detecting instrument is effectively used, save the space of detecting instrument, effectively controlled cost of products.On the other hand, automatic coding device of the present invention only need to be changed the position of tie point on electrode, just can provide different parameter informations.Such change is compared with the figure that changes electrode much easier, and the template of making electrode system can fix, and manufacture craft is simple and stable, and having reduced the people is the probability of makeing mistakes.
Description of drawings
Fig. 1 has the automatic coding device synoptic diagram of three electrodes;
Fig. 2 tie point position is different from the automatic coding device synoptic diagram of Fig. 1;
Fig. 3 has the synoptic diagram of the automatic coding device of four electrodes;
Fig. 4 tie point position is different from the automatic coding device synoptic diagram of Fig. 3;
Fig. 5 tie point position is different from Fig. 3,4 automatic coding device synoptic diagram;
A kind of automatic coding device synoptic diagram simple in structure of Fig. 6;
Fig. 7 is than the larger automatic coding device synoptic diagram of electrode shown in Figure 6 11 resistances
Fig. 8 is used for the biology sensor synoptic diagram that analyte in sample detects;
Fig. 9 the first has the biology sensor synoptic diagram of automatic coding device;
Figure 10 the second has the biology sensor synoptic diagram of automatic coding device;
The third has the biology sensor synoptic diagram of automatic coding device Figure 11;
Description of reference numerals: automatic coding device 1; The first electrode 11; The second electrode 12; Third electrode 13; The 4th electrode 14; Resistance unit 20; The first tie point 31, second connects the 32, the 3rd tie point 33; Working electrode 41; To electrode 42; Insulation course 51,215; Contact 21,22,23,24; Biology sensor 100; Biological sensor electrode system 103,105,107; Insulating base 210; Overlayer 225; Clearance layer 220; Blow vent 226; Reaction reagent layer 310.
Embodiment
The present invention will be described in detail below in conjunction with concrete accompanying drawing.These specific embodiments only are limited the enumerating under spirit of the present invention, do not get rid of one of ordinary skill in the art prior art and the present invention in conjunction with and other specific embodiments of producing.
Electrode group such as Fig. 1 or automatic coding device 1 of the present invention shown in Figure 2 comprises the first electrode 11, the second electrode 12 and third electrode 13.The first contact 21, the second contact 22 and the 3rd contact 23 that the first electrode, the second electrode are connected with third electrode on the electrode pin are connected with detecting instrument.Optionally be electrically connected by tie point 31 between electrode 11 and the electrode 12.When the first contact 21 and the second contact 22 with after detecting instrument contacts, formed the loop between electrode 11 and the electrode 12.Optionally be electrically connected by tie point 31 between electrode 11 and the electrode 12, refer to that its structure is roughly the same for each automatic coding device with different coding, but the position of the first tie point 31 be not identical.Therefore, the resistance value between the loop that the first contact 21, the first tie point 31 and the second contact 22 form is according to different the changing in the first position of tie point 31 on electrode, thereby corresponding to different codings.Therefore can determine that described the first tie point 31 is at the first electrode and the second interelectrode link position according to the information of the required coding of automatic coding device.The position of the tie point 31 among Fig. 1 is than the pin of the more close electrode of tie point shown in Figure 2, so the path in electrode 11 and electrode 12 loops is shorter than the path in loop shown in Figure 2 among Fig. 1.As shown in Figure 1, when the first tie point 31 was positioned at primary importance, the loop between the first contact 21, the first tie point 31 and the second contact 22 was corresponding to electrical parameter R1.As shown in Figure 2, when the first tie point 31 was positioned at the second place, the loop between the first contact 21, the first tie point 31 and the second contact 22 was corresponding to electrical parameter R1 '.When electrode illustrated in figures 1 and 2 11,12 all identical with figure with 13 material, because the position that tie point connects is different, compare among Fig. 2 the resistance R 1 ' between electrode 11 and electrode 12 loops with the resistance R 1 between electrode 12 loops little for electrode 11 among Fig. 1.Same principle, among Fig. 1 electrode 11 compare with the resistance value between electrode 13 loops and Fig. 2 in electrode 11 and the resistance value between electrode 13 loops large.In embodiment illustrated in figures 1 and 2, the second tie point 32 positions of electrode 12 and electrode 13 are fixed, and therefore electrode 12 illustrated in figures 1 and 2 and the resistance value between electrode 13 loops are fixed.In another embodiment, the second tie point 32 positions of electrode 12 and electrode 13 can change as the first tie point 31, thereby can more be encoded.Electrode can be designed to various shapes, and electrode 12 as shown in the figure is the circuitous serpentine configuration of wriggling, and it is comprised of several snakelike unit 20.Electrode 12 is linking to each other away from the second contact 22 that end with the 3rd contact 23 with electrode 13, and electrode 11 links to each other with electrode 12 by the first tie point 31.
When Fig. 1 of the present invention or the described automatic coding device of Fig. 2 with after detecting instrument is electrically connected by the contact, realize one of by the following method the coding of information.
Method one:
When automatic coding device of the present invention with after detecting instrument is electrically connected by the contact, the resistance value that detecting instrument records electrode 11 and electrode 12 loops 1 is R1, the resistance value in electrode 12 and electrode 13 loops 2 is R2.Obtain resistance ratio S1 between loop 1 and the loop 2 by equation 1.
Wherein, K1 is correction factor.
According to parameter correction equations such as the different production batch of biology sensor, different temperature correction, HCT corrections, perhaps according to the difference of the analyte of measuring, tie point 31 is arranged on the diverse location of electrode 11 and electrode 12, thereby the resistance R1 between electrode 11 and electrode 12 loops can be as required and be different.Therefore, the given resistance ratio S1 of automatic coding device is also different.Detecting instrument is selected corresponding technical parameter according to different S1 value informations, finally draws the analyte detection which kind of type testing result or judgement carry out.
Method two:
When automatic coding device of the present invention with after detecting instrument is electrically connected by the contact, the resistance value that detecting instrument records electrode 11 and electrode 13 loops 3 is R3, the resistance value in electrode 12 and electrode 13 loops 2 is R2.Obtain resistance ratio S2 between loop 3 and the loop 2 by equation 2.
(2)
Wherein, K2 is correction factor.
According to parameter correction equations such as the different production batch of biology sensor, different temperature correction, HCT corrections, perhaps according to the difference of the analyte of measuring, tie point 31 is arranged on the diverse location of electrode 11 and electrode 12, thereby the resistance R3 between electrode 11 and electrode 13 loops can be as required and be different.Therefore, the given resistance ratio S2 of automatic coding device is also different.Detecting instrument is selected corresponding technical parameter according to different S2 value informations, finally draws the analyte detection which kind of type testing result or judgement carry out.
Method three:
When automatic coding device of the present invention with after detecting instrument is electrically connected by the contact, the resistance value that detecting instrument records electrode 11 and electrode 12 loops 1 is R1, the resistance value in electrode 11 and electrode 13 loops 3 is R3.Obtain resistance ratio S3 between loop 1 and the loop 3 by equation 3.
Wherein, K3 is correction factor.
According to parameter correction equations such as the different production batch of biology sensor, different temperature correction, HCT corrections, perhaps according to the difference of the analyte of measuring, tie point 31 is arranged on the diverse location of electrode 11 and electrode 12.Thereby electrode 11 is different with resistance value R1 between electrode 12 loops, and electrode 11 is different with resistance value R3 between electrode 13 loops.Therefore, the given resistance ratio S3 of automatic coding device is also different.Detecting instrument is selected corresponding technical parameter according to different S3 value informations, finally draws the analyte detection which kind of type testing result or judgement carry out.
The present invention is used for the automatic coding device and is not limited to above-mentioned three electrodes, can also comprise more electrode.The automatic coding device that is used for shown in Fig. 3-5 comprises the first electrode 11, the second electrode 12, third electrode 13 and the 4th electrode 14.The first electrode, the second electrode, third electrode and the 4th electrode are connected with detecting instrument by the contact 21,22,23 on the electrode, 24.Be electrically connected by tie point 31 between electrode 11 and the electrode 12, electrode 11 is different and different because of the position of tie point 31 on electrode with the resistance value R1 meeting between electrode 12 loops, and the resistance value R3 meeting between electrode 11 and the electrode 13 is difference because the position of tie point 31 on electrode is different.Electrode 12 and electrode 13 are linking to each other by tie point 32 away from contact 22, that end of 24.Be electrically connected by tie point 33 between electrode 12 and the electrode 14, electrode 12 is different and different because of the position of tie point 33 on electrode with the resistance value R4 meeting between electrode 14 loops, and electrode 13 is different and different because of the position of tie point 33 on electrode with the resistance value R5 meeting between electrode 14 loops.
When Fig. 3 of the present invention, Fig. 4 and the described automatic coding device of Fig. 5 with after detecting instrument is electrically connected by the contact, realize one of by the following method the coding of information.
Method four:
When the automatic coding device shown in Fig. 3-5 with after detecting instrument is electrically connected by the contact, the resistance value that detecting instrument records electrode 11 and electrode 12 loops 1 is R1, the resistance value in electrode 12 and electrode 13 loops 2 is R2, by the resistance ratio S1 between equation 1 counter circuit 1 and the loop 2.
Wherein, K1 is correction factor.
The resistance value in electrode 12 and electrode 14 loops 4 is R4, by the resistance ratio S4 between equation 4 counter circuits 4 and the loop 2.
Wherein, K4 is correction factor.
Detection system is selected corresponding technical parameter according to the various combination information of S1 and S4, finally draws the analyte detection which kind of type testing result or judgement carry out.
Method five:
When the automatic coding device shown in Fig. 3-5 with after detecting instrument is electrically connected by the contact, the resistance value that detecting instrument records electrode 11 and electrode 12 loops 1 is R1, the resistance value in electrode 12 and electrode 13 loops 2 is R2, by the resistance ratio S1 between equation 1 counter circuit 1 and the loop 2.
Wherein, K1 is correction factor.
The resistance value in electrode 13 and electrode 14 loops 5 is R5, by the resistance ratio S5 between equation 5 counter circuits 5 and the loop 2.
(5)
Wherein, K5 is correction factor.
Detection system is selected corresponding technical information according to the various combination information of S1 and S5, finally obtains a result or judges that the analyte that carries out which kind of type detects.
Method six:
When the automatic coding device shown in Fig. 3-5 with after detecting instrument is electrically connected by the contact, the resistance value that detecting instrument records electrode 11 and electrode 12 loops 1 is R1, the resistance value in electrode 11 and electrode 13 loops 3 is R3, by the resistance ratio S3 between equation 3 counter circuits 1 and the loop 2.
Wherein, K3 is correction factor.
The resistance value in electrode 12 and electrode 14 loops 4 is R4, and the resistance value in electrode 13 and electrode 14 loops 5 is R5, by the resistance ratio S6 between equation 6 counter circuits 4 and the loop 5.
Wherein, K6 is correction factor.
Detection system is selected corresponding technical information according to the various combination information of S3 and S6, finally draws the analyte detection which kind of type testing result or judgement carry out.
When Fig. 3 of the present invention, Fig. 4 and the described automatic coding device of Fig. 5 with after detecting instrument is electrically connected by the contact, realize that the coded system of information is not limited to method described above, also comprise various other array modes.
In the specific embodiment as depicted in figs. 1 and 2, electrode 12 forms (for example the n value is 22) by n snakelike unit 20, and the resistance value of each snakelike unit is roughly the same, and such as being R ', the resistance value between electrode 12 and electrode 13 loops is R ' '.Two arrays of electrodes to resistance ratio S can be obtained by following general formula:
Wherein, x represents the quantity of snakelike unit between the first electrode and the second electrode loop;
N represents the quantity of snakelike unit between the second electrode and third electrode loop;
K is correction factor.
According to above formula as seen, when x and n variation, the S respective change, thereby corresponding to different codings.
Detecting instrument is selected corresponding technical parameter according to different S value informations, detects relatively data and processes.
The S value can also be set to the numerical value with certain error scope, for example its error range be ±
, S ±
Scope in, same group of technical parameter of the equal choice for use of detecting instrument detects with the result and calculates.
Detecting instrument can also be treated with a certain discrimination according to the diverse location of tie point the interpretation of S value.When tie point is positioned at the two ends of automatic coding device, its S ±
Being considered to select same group of technical parameter to detect with the result calculates.When tie point is positioned at the middle part of automatic coding device, its S ±
Be considered to select same group of technical parameter to detect.
Illustrate further, electrode 12 is comprised of 22 snakelike unit as depicted in figs. 1 and 2.Be positioned at automatic coding device medium position at slide block shown in Figure 1 31, comprise 9.5 snakelike unit between electrode 11 and electrode 12 loops, therefore S1 shown in Figure 1 is (9.5/22).Be positioned at the end position of more close automatic coding device at slide block shown in Figure 2 31, comprise 20.5 snakelike unit between electrode 11 and electrode 12 loops, therefore S1 shown in Figure 2 is (20.5/22).Therefore the S1 value that records of the S1 value that records of Fig. 1 automatic coding device and Fig. 2 automatic coding device is different, and detecting instrument is selected corresponding technical parameter according to different S1 value informations, finally draws the analyte detection which kind of type testing result or judgement carry out.
Among Fig. 6 and the embodiment shown in Figure 7, the resistance value between electrode 11 and electrode 12 loops is that the resistance value by electrode 11 self changes.The total length of electrode 11 conductive materials is less than the total length of 11 conductive materials of electrode among Fig. 7 among Fig. 6, in the identical situation of used conductive material, the resistance value between electrode 11 shown in Figure 6 and electrode 12 loops is less than the resistance value of 12 at electrode shown in Figure 11 11 and electrode.Among Fig. 6 and the embodiment shown in Figure 7, the resistance value R2 between electrode 12 and electrode 13 loops fixes.Calculate by equation 1, obtain S1.
(1)
Wherein, K1 is correction factor.
Detection system is selected corresponding technical parameter according to the different information of S1, finally draws the analyte detection which kind of type testing result or judgement carry out.
In other embodiment, the electrode 12 between different product batch and the resistance value between electrode 13 loops are variable.
The first electrode 11 of the present invention and the second electrode 12 optionally are connected in the first tie point 31, and the information that namely will encode according to the automatic coding device determines that described the first tie point 31 is at the first electrode and the second interelectrode link position.This patent or present patent application described " alternative " refer to the first tie point 31, the second tie point 32 and the 3rd tie point 33 the position can according to the coding needed electrical parameter select.The second electrode 12 of the present invention is connected in the second tie point 32 with third electrode 13 alternative places, and the information that namely will encode according to the automatic coding device is determined the link position of described the second tie point 32 between the second electrode and third electrode.The second electrode 12 of the present invention and the 4th electrode 14 alternative places are connected in the 3rd tie point 33, and the information that namely will encode according to the automatic coding device determines that described the 3rd tie point 33 is at the second electrode and the 4th interelectrode link position.
The quantity of the electrode of automatic coding device of the present invention can be 3,4 or more.Described tie point for connecting electrode can be 1,2 or more.And be not limited to above-mentioned cited graphic structure and computing method, also comprise and use the designed the whole bag of tricks of the principle of the invention.
Automatic coding application of installation of the present invention judges for the correct detection result or to the analyte detection of carrying out which kind of type to the biology sensor of optics or on the first-class various biology sensors of electrochemical biology sensor.
Among the embodiment as shown in Figure 8, biology sensor 100 comprises an insulating base 210 with electrode system (103,105,107), is positioned at least 310, one overlayers 225 of reaction reagent layer on the working electrode 103.Each ingredient of device can roll together or paste with bonding agent, also can be imprinted on the base plate with constituent apparatus with the mode of printing.Electrode system on the insulating base comprises a working electrode 103 at least, to electrode 105 and reference electrode 107.Insulation course 215 covers on the electrode system, the front end of insulation course be positioned at electrode system above have opening.Reaction reagent layer 310 is positioned at the insulation course opening, and covers on the electrode system, forms reaction chamber.
In one embodiment, there is a clearance layer 220 between insulation course 215 and the overlayer 225.Has sample inlet 224 in clearance layer above corresponding to reaction reagent layer.Clearance layer can be the material of bonding agent.
Any analyte that can carry out Electrochemical Detection can use the present invention to detect.For example: glucose, lactate, urea, hydrocarbonate, 3-hydroxybutyrate, (3-HBA), amino acid (such as Pidolidone salt, aspartate, 1B), haemoglobin, glutamic-pyruvic transaminase, ammonium, sodium, calcium, trace-metal and other can carry out any analyte of galvanochemistry check.
Can detect any fluid sample or liquefied sample with this biology sensor 100.For example, sample comprises whole blood, serum, blood plasma, urine and saliva.Also can detect clinical sample, biological sample and environmental sample, these samples must liquefaction before detecting.Fluid sample can be damping fluid or the suspending liquid that contains solid-state or gaseous biological material.
In a specific embodiment, overlayer 225 at least inside surface is made by hydrophilic material.One air hole 226 is arranged on the overlayer, and this air hole can make sensor reaction chamber and the air in the external world circulate mutually.Air hole can be groove, but in other embodiments, air hole can be to allow air in any shape of sensor reaction chamber with outside circulation.Air hole also can be positioned on the clearance layer.In certain embodiments, overlayer can be the insulation inks that is printed on the sensor.Overlayer can also contain bonding agent, makes it can adhere to hydrophobic protective layer (if existence), insulation course 215 and base plate.
As shown in Figure 9, the working electrode on automatic coding device 1 of the present invention and the biology sensor 100 and electrode laid respectively on two different insulation courses, and lean against privately and adhere to each other.
Working electrode on automatic coding device 1 as shown in figure 10 and the biology sensor 100 and electrode being positioned on the same face of insulation course 51.Biology sensor comprises that for detection of the working electrode 41 of analyte with to electrode 42, the automatic coding device comprises the first electrode 11, the second electrode 12 and third electrode 13.
Working electrode on automatic coding device 1 as shown in figure 11 and the biology sensor 100 and electrode being positioned on the same face of insulation course 51.Comprise working electrode 41 at the described insulation course of present embodiment, to electrode 42, the first electrode 11 and the second electrode 12, and the tie point 31 that connects the first electrode and the second electrode.Automatic coding device and biology sensor have a common electrode 42.The second electrode 12 with electrode 42 is interconnected to form the loop.In another embodiment, the second electrode 12 can be selected to form the loop with working electrode 41 or other reference electrodes.When the automatic coding device on the biology sensor of the present invention with after detecting instrument is electrically connected by the contact, the resistance value that detecting instrument records electrode 11 and electrode 12 loops 1 is R1, electrode 12 and be R6 to the resistance value in electrode 42 loops 6.Obtain resistance ratio S7 between loop 1 and the loop 6 by equation 7.
Wherein, K7 is correction factor.
Detection system is selected corresponding technical parameter according to the different information of S7, finally draws the analyte detection which kind of type testing result or judgement carry out.
In order to prevent user's incorrect insertion when operating, for example the automatic coding device has been inserted the position that to insert biology sensor in the detecting instrument.Biology sensor is designed to different shapes with the automatic coding device from the detecting instrument link.Detecting instrument detect electrode 107 upper contacts and between not conducting of electricity, electrode 103 upper contacts and between not conducting of electricity, thereby be judged as biology sensor.Detecting instrument detect electrode 11 upper contacts 21 and between conduct, electrode 13 upper contacts 23 and between not conducting of electricity, then be judged as the automatic coding device.If the user with Test paper not corresponding be inserted into detecting instrument the time, detecting instrument is by above-mentioned judgement and the warning of sending operating mistake.
The determination methods of difference biology sensor of the present invention and automatic coding device is not limited to above-mentioned cited graphic structure, also comprises using the designed the whole bag of tricks of the principle of the invention.
In the determination methods of difference biology sensor of the present invention and automatic coding device, the electrical parameter between individual loop is not limited to above-mentioned resistance, and the ratio of resistance, can also comprise current value etc.
Described electrode and tie point can use carbon, silver etc. to have the material of electric conductivity, and can adopt the methods such as serigraphy, plating to be fabricated on the insulating base.For example utilize serigraphy to make the method for automatic coding device, comprise and make the screen mesh printing plate that presets electrode shape, utilize described screen mesh printing plate that conductive material is printed on insulating base and forms corresponding electrode.The tie point of connecting electrode can be pre-arranged on screen mesh printing plate, is printed on the insulating base simultaneously when printing electrode.Tie point can also be loaded on the electrode system with point sample or additive method after forming electrode system.
Because the electrode of automatic coding device is made by conductive material, if with these electrodes, outside particularly snakelike unit was directly exposed to, the material in the environment can stick on the electrode, changed the actual resistance of electrode, caused and detected the inaccurate of data.Therefore, the present invention has covered one deck separation layer at the electrode of automatic coding device, and described separation layer can be the weak materials of the electric conductivities such as adhesive sticker, plastic sheet or UV cured printing ink.
The present invention also provides a kind of manufacture method of automatic coding device, may further comprise the steps:
An insulativity base plate is provided, comprises at least the electrode system with the first electrode 11, the second electrode 12 and third electrode 13 on the described insulativity base plate;
To connect by the first tie point 31 between the first electrode and the second electrode;
To connect by the second tie point 32 between the second electrode and the third electrode;
Determine that according to the information that the automatic coding device will be encoded described the first tie point 31 is at the first electrode and the second interelectrode link position.
Determine the link position of described the second tie point 32 between the second electrode and third electrode according to the information that the automatic coding device will be encoded.
Method by printing is arranged on conductive material on position corresponding to the first tie point and the second tie point.Also can pass through first the method for printing so that the first electrode forms a plurality of connections site with being connected between electrode, then cut off other connection sites of removing the first tie point between the first electrode and the second electrode by the method for cut.Can also form a plurality of connections site by the method for printing so that the second electrode is connected with third electrode first, then cut off other connection sites of removing the second tie point between the second electrode and the third electrode by the method for cut.
In one embodiment, the second electrode 12 is comprised of snakelike unit.
In another embodiment, on the insulativity base plate, also comprise the 4th electrode 14, connect by the 3rd tie point 32 between described the 4th electrode 14 and the second electrode 12.
Automatic coding device of the present invention only is limited the enumerating under spirit of the present invention, do not get rid of one of ordinary skill in the art prior art and the present invention in conjunction with and other specific embodiments of producing.
Claims (13)
1. automatic coding device, comprise insulativity base plate and the electrode system that is positioned on the insulativity base plate, this electrode system includes the first electrode (11), the second electrode (12) and third electrode (13), the first electrode (11) wherein, the second electrode (12) and third electrode (13) include respectively the first contact (21) that is electrically connected with detector, the second contact (22) and the 3rd contact (23), it is characterized in that, the at least the second electrode includes the circuitous serpentine configuration of wriggling, the first electrode (11) optionally is electrically connected on the first tie point (31) with the second electrode (12), the second electrode (12) optionally is electrically connected on the second tie point (32) with third electrode (13), when the first tie point (31) when being positioned at primary importance, the first contact (21), loop between the first tie point (31) and the second contact (22) is corresponding to electrical parameter R1, when the first tie point (31) when being positioned at the second place, the first contact (21), loop between the first tie point (31) and the second contact (22) is corresponding to electrical parameter R1 ', and the value of electrical parameter R1 and R1 ' corresponds respectively to two groups of different codings.
2. automatic coding device according to claim 1, it is characterized in that: the loop between the second contact (22), the second tie point (32) and the 3rd contact (23) is corresponding to electrical parameter R2, loop between the first contact (21), the first tie point (31), the second tie point (32) and the 3rd contact (23) is corresponding to electrical parameter R3, electrical parameter R1, R2 and R3 are corresponding to the first group coding, and R1 ', R2 and R3 are corresponding to the second group coding.
3. automatic coding device according to claim 2 is characterized in that: obtain a group coding according to one of following formula:
Wherein, K1, K2, K3 are respectively a correction factor.
4. biology sensor, comprise the insulativity base plate and be positioned at a working electrode (41) on the insulativity base plate and one to electrode (42), at least be provided with reaction reagent layer at working electrode (41) with to one of electrode (42), it is characterized in that: this biology sensor also comprises a kind of automatic coding device, this automatic coding device comprises the electrode system that is positioned on the described insulativity base plate, this electrode system includes the first electrode (11), the second electrode (12) and third electrode (13), the first electrode (11) wherein, the second electrode (12) and third electrode (13) include respectively the first contact (21) that is electrically connected with detector, the second contact (22) and the 3rd contact (23), the at least the second electrode includes the circuitous serpentine configuration of wriggling, the first electrode (11) optionally is electrically connected on the first tie point (31) with the second electrode (12), the second electrode (12) optionally is electrically connected on the second tie point (32) with third electrode (13), when the first tie point (31) when being positioned at primary importance, the first contact (21), loop between the first tie point (31) and the second contact (22) is corresponding to electrical parameter R1, when the first tie point (31) when being positioned at the second place, the first contact (21), loop between the first tie point (31) and the second contact (22) is corresponding to electrical parameter R1 ', and the value of electrical parameter R1 and R1 ' corresponds respectively to two groups of different codings.
5. biology sensor according to claim 4, it is characterized in that: the loop between the second contact (22), the second tie point (32) and the 3rd contact (23) is corresponding to electrical parameter R2, loop between the first contact (21), the first tie point (31), the second tie point (32) and the 3rd contact (23) is corresponding to electrical parameter R3, electrical parameter R1, R2 and R3 are corresponding to the first group coding, and R1 ', R2 and R3 are corresponding to the second group coding.
6. biology sensor according to claim 5 is characterized in that: obtain a group coding according to one of following formula:
Wherein, K1, K2, K3 are respectively a correction factor, and R1 can be replaced by R1 '.
7. the manufacture method of an automatic coding device may further comprise the steps:
An insulativity base plate is provided, comprise at least on the described insulativity base plate have the first electrode (11), the electrode system of the second electrode (12) and third electrode (13);
To connect by the first tie point (31) between the first electrode and the second electrode;
To connect by the second tie point (32) between the second electrode and the third electrode;
Determine that according to the information that the automatic coding device will be encoded described the first tie point (31) is at the first electrode and the second interelectrode link position.
8. manufacture method according to claim 7 is characterized in that: determine the link position of described the second tie point (32) between the second electrode and third electrode according to the information that the automatic coding device will be encoded.
9. manufacture method according to claim 7 is characterized in that: the method by printing is arranged on conductive material on position corresponding to the first tie point and the second tie point.
10. manufacture method according to claim 7, it is characterized in that: pass through first the method for printing so that the first electrode forms a plurality of connections site with being connected between electrode, then cut off other connection sites of removing the first tie point between the first electrode and the second electrode by the method for cut.
11. manufacture method according to claim 7, it is characterized in that: the method by printing forms a plurality of connections site so that the second electrode is connected with third electrode first, then cuts off other connection sites of removing the second tie point between the second electrode and the third electrode by the method for cut.
12. manufacture method according to claim 7 is characterized in that: the second electrode (12) is comprised of snakelike resistance unit.
13. manufacture method according to claim 7 is characterized in that: on the insulativity base plate, also comprise the 4th electrode (14), connect by the 3rd tie point (32) between described the 4th electrode (14) and the second electrode (12).
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| CN102967636B (en) | 2016-06-01 |
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