CN102221573A - Test piece, device and relevant system for measuring components and characteristic of fluid - Google Patents
Test piece, device and relevant system for measuring components and characteristic of fluid Download PDFInfo
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- CN102221573A CN102221573A CN2010101516508A CN201010151650A CN102221573A CN 102221573 A CN102221573 A CN 102221573A CN 2010101516508 A CN2010101516508 A CN 2010101516508A CN 201010151650 A CN201010151650 A CN 201010151650A CN 102221573 A CN102221573 A CN 102221573A
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Abstract
The invention discloses a test piece, device and relevant system for measuring the components and characteristic of a fluid. The test piece comprises a sample receiving part and a plurality of electrodes which extend to an electrode surface and are intersected with the sample receiving part, wherein the test piece further comprises a contact surface which is vertical to the electrode surface and comprises a plurality of contact points; the contact points are suitable for being connected with a connector of an instrument in a conducing way when the contact surface is pushed against the connector along the normal line direction; information relevant to the characteristic of the test piece is encoded by using the contact points; the sizes of the contact points are adjusted and the contact points are spaced for coding the information; and likewise, the contact points can be insulated for coding the information.
Description
Technical field
The present invention relates to the medical science detection range, relate in particular to a kind of test piece, device and related system thereof that is used to measure fluid composition and characteristic.
Background technology
Doctor and patients often have need be to various body fluid such as blood, saliva, and perhaps urine etc. is monitored.For instance, patient's blood often is used to check the situation whether hyperglycaemia or cholesterol are arranged.For the patient of diabetes, must continue to monitor nearly blood sugar to guarantee that blood glucose value is normal.Multiple device is easily arranged at present, similarly is that blood sugar analyzer (glucose meter) can allow the common people monitor their blood glucose levels.These devices all adopt test piece (test strip) usually, allow the user at the last droplet blood of smearing.This test piece generally includes one and holds the chamber that reagent similarly is glucose oxidase (glucose oxidase) and media (mediator).Two kinds of monitoring devices are arranged at present, and a kind of is based on luminosity (photometric), a kind of based on galvanochemistry (electrochemical), is regarded as older technology usually based on the system of luminosity.More welcome at present technology is an electro-chemical systems, and it allows glucose/reagent produce redox reaction to the electrode application voltage in the test piece whereby, and the electric current after then apparatus measures generates also calculates corresponding blood glucose levels.
Because the difference of making, so produced test piece through after a while different characteristics may being arranged, thereby influences the correctness of meter reading.Therefore test piece is normally made in batch, and specific a collection of test piece has a serial number or sign indicating number, writes down its batch characteristic information.This information can be used to calibrate the characteristic of a specific test piece, and reading more accurately is provided whereby.
Have the whole bag of tricks batch customizing messages can be offered the processor of instrument, such as the user can be about to the sign indicating number input instrument of various parameters certainly, the method for this adjustment instrument is not only inconvenient, makes mistakes easily simultaneously.Past attempts is used the characteristic information coding of bar code with test piece, and the type slug font code can increase considerable manufacturing cost in each test piece, and instrument itself also must add suitable costliness and complicated barcode scanner.
In order to improve the method for manual input and bar code, U.S. patent application case is entitled as " diagnosis test piece coded system and relevant using method (DIAGNOSTIC STRIP CODINGSYSTEM AND RELATED METHODS OF USE) " for No. 2007/0015286.As preceding case Fig. 1 and shown in Figure 2, comprising an instrument, it has the connector 12 that comprises contact 1 to 9.Connector 12 receives the end of test piece 10, makes contact pins 1 ' to 9 ' may be operably coupled to contact 1 to 9.Link by this operation, instrument can see, and reads a specific code by contact pins, in order to the notice instrument access information relevant with a specific tested test piece 10, this sign indicating number is made up of pad 5 ' to 9 ' in this example, and pad 1 ' to 4 ' is connected to the sample chamber in the opposite end of test piece.Sign indicating number as shown in Figure 2, conduction pad 6 ' and 8 ' can stamp electrically insulating material, for instance, for example is non-conductive ink layer 14.Therefore, contact 5-9 can send this yard to processor in the instrument to adjust its calculating.
Although improved the method that customizing messages is offered test piece, but still have improved space in the system described in Fig. 1 and Fig. 2.Especially, above-mentioned connector contact is easy to damage.In addition, in order to ensure suitable binding, must apply contact force to test piece and instrument with the button or the spring way of contact.Also have, self-cleaning contact is easier to wearing and tearing.In addition, contact is difficult for making, and especially metallic contact will be cast in a shell or the slot more difficult.Test piece itself is not easy to make, and in the test piece of a suitable size, the number of pad can be restricted, makes that the code combination number and the information density that can offer instrument all can be limited.
Therefore, having need provide in order to measure the test piece of sample properties, uses the device of this test piece, and the system that comprises this test piece, makes that it is more convenient, manufacturing cost is lower, and more code combinations can be provided.
Summary of the invention
The objective of the invention is to, disclose and a kind ofly use the device of this test piece in order to the test piece, of measuring the same this character, and a system that comprises this test piece, to overcome the defective of above-mentioned prior art, make that test piece is more convenient, manufacturing cost is lower, and more code combinations can be provided.
To achieve these goals, provided by the inventionly comprise a sample acceptance division in order to measure the test piece of the same this character, and a plurality of electrode that extends an electrode surface and intersect with this sample acceptance division.This test piece also comprise one with the mutually perpendicular surface of contact of this electrode surface, it comprises a plurality of contacts, these contacts are suitable for when the normal direction of this surface of contact is pushed against to a connector, are connected with this this connector conduction ground.The information coding that these contacts are relevant with the characteristic of this test piece.These contacts are resized and are spaced apart so that this information is encoded.Similarly, these contacts can be insulated, so that this information is encoded.
The present invention also provides a kind of and uses one in order to measure the equally device of the test piece of this character, wherein this test piece comprises a plurality of at an electrode surface and the crossing electrode of a sample acceptance division, an and surface of contact vertical with this electrode surface, it comprises a plurality of contacts, wherein, this device comprises: a connector, be suitable in this test piece when a normal direction of this surface of contact is pushed against to this connector, and be connected with these contact conduction ground, plane; One processor; One circuit board, it comprises a plurality of with this processor and the interconnected conductive path of this connector, whereby when these plane contacts are connected with this connector, by this processor registration information relevant with this test piece.This device also comprises the slot that is resized and is set with the reception test piece.Connector family is placed in the slot, and is suitable for when test piece is pushed against to connector, is connected with the contact conduction ground, plane of contact.Connector can be an elastic connector.Slot also can comprise a plurality of electrode contacts, but operationally corresponding with the one electrode conduction ground of each electrode contact connects.
Processor calculates in order to the reading that electrode is transmitted, and adjusts calculating according to the special characteristics of test piece.Processor is supported on the circuit board, and this circuit board comprises a plurality of with processor and the interconnected conductive path of connector.Therefore, when the plane contact was connected with connector, processor can be registered the information relevant with this test piece, and corrected Calculation according to demand.
It is a kind of in order to measure the system of the same this character that the present invention also provides, and wherein, comprises: a test piece, a device, and this test piece comprises: a sample acceptance division; A plurality of electrodes that extend and intersect with this sample acceptance division along an electrode surface; And one and this electrode surface orthogonal and comprise the surface of contact of a plurality of planes contact; This device comprises: a connector, be suitable in this test piece when a normal direction of this surface of contact is pushed against to this connector, and be connected with these contact conduction ground, plane; One processor; And a circuit board, it comprises a plurality of with this processor and the interconnected conductive path of this connector, whereby when these plane contacts are connected with this connector, by this processor registration information relevant with this test piece.
It is a kind of in order to read one yard device from a card that the present invention also provides, wherein this card comprises a surface of contact, this surface of contact comprises a plurality of planes contact, wherein, this device comprises: an elastic connector, be suitable for when this normal direction that is stuck in this surface of contact is pushed against to this connector, be connected with these contact conduction ground, plane; One processor; And a circuit board, it comprises a plurality of with this processor and the interconnected conductive path of this connector, when these plane contacts are connected with this elastic connector, registers this sign indicating number by this processor whereby.
Effect of the present invention is, the present invention can be based upon the information coding in the test piece, can avoid general with manual input coding or make a mechanism in addition and define coding (for example magnificent extensively blood sugar machine, RocheAdvantage blood sugar machine), can avoid the people is input error and reduction manufacturing cost, in addition, the test piece that itself has information can be enrolled different information codes, more code combinations can be provided, can make system identification and its purposes of differentiation easily by the coding in the test piece, for example: test piece is composed of the information code measuring blood of blood sugar, and the information code that is composed of cholesterol is measured cholesterol etc.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is the vertical view that is set in the prior art in order to the connector that receives corresponding test piece;
Fig. 2 is the part vertical view of the test piece of the employed prior art of the connector among Fig. 1;
Figure 3 shows that one measures the skeleton view of example embodiment of the system of sample properties;
Figure 4 shows that the system of Fig. 3 is placed into the skeleton view of slot in test piece;
Figure 5 shows that the part enlarged perspective of slot under transparent situation of Fig. 3 and Fig. 4;
Figure 6 shows that the part enlarged perspective of the connector among Fig. 5;
Fig. 7 A is depicted as the part top view of test piece contact alignment connector;
Fig. 7 B is depicted as the part top view that the test piece contact does not have alignment connector;
Fig. 8 A is depicted as the part skeleton view of test piece contact;
The test piece that Fig. 8 B is depicted as Fig. 8 A is the part skeleton view under the state that is removed of contact therein;
Figure 9 shows that the part skeleton view of test piece, another framework of test piece contact is described;
Figure 10 shows that the part skeleton view of test piece, another alternative architecture of test piece contact is described;
Figure 11 shows that the part skeleton view of test piece, another alternative architecture again of test piece contact is described; And
Figure 12 shows that a skeleton view in order to the system of measuring sample properties, the never situation that is connected with connector of homonymy of test piece is described.
Wherein, Reference numeral
Fig. 1
The 1-9 contact
12 connectors
Fig. 2
1 '-9 ' contact pins
10 test pieces
14 non-conducting ink laies
Fig. 3
15 test piece measuring systems
20 test pieces
22 portion of the handle
24 sample acceptance divisions
26 measure contact
30 interface sections
32 electrode surfaces
36 potential electrode
38 (1)-38 (9) contacts
34 surface of contact
40 slots
60 measurement mechanisms
62 printed circuit board (PCB)s
64 processors
Fig. 4
20 test pieces
30 interface sections
40 slots
62 printed circuit board (PCB)s
Fig. 5
40 slots
44 guide rails
46 containers
50 connectors
62 printed circuit board (PCB)s
Fig. 6
32 electrode surfaces
50 connectors
52 conductors
54 insulators
66 (1)-66 (7) conducting paths
67 (1)-67 (2) conducting paths
Fig. 7 A
30 interface sections
38 (1), 38 (5), 38 (9) contacts
50 connectors
66 (1)-66 (7) conducting paths
67 (1)-67 (2) conducting paths
Fig. 7 B
30 interface sections
38 (1), 38 (5), 38 (9) contacts
50 connectors
66 (1)-66 (7) conducting paths
67 (1)-67 (2) conducting paths
Fig. 8 A
30 interface sections
34 surface of contact
38 (1)-38 (4) contacts
39 (1)-39 (3) scored areas
Fig. 8 B
30 interface sections
32 electrode surfaces
34 surface of contact
38 (1), 38 (3), 38 (4) contacts
Fig. 9
230 interface sections
232 electrode surfaces
234 surface of contact
238 (1), 238 (3), 238 (4) contacts
239 (1)-239 (3) scored areas
Figure 10
330 interface sections
332 electrode surfaces
334 surface of contact
338 (1)-338 (4) contacts
Figure 11
430 interface sections
432 electrode surfaces
434 surface of contact
438 (1), 438 (3), 438 (3) contacts
439 (1), 439 (2) scored areas
Figure 12
20 test pieces
50 connectors
60 measurement mechanisms
62 printed circuit board (PCB)s
Embodiment
The technology that below will cooperate caption the present patent application case.Although be when explaining orally present technique with reference to specific device and material, should apprehensiblely be that these devices are to be used for for example with material, but not in order to restriction the present invention.Comprise a test piece sign indicating number interface (test chip code interface) in the test piece measuring system that this disclosed, more existing coded system is more powerful, manufacturing cost is lower, and more code combination can be provided.Although this coded system is to illustrate with a test piece measuring system, those skilled in the art can understand that this system can be used for will be to the purposes of the object coding of a test piece, card or other similar card.This class object can comprise, for instance, golden key, key card, permit identification, memory stick, with and the fellow, but the present invention and not subject to the limits.
The example embodiment of one test piece measuring system (test strip measurement system) 15 as shown in Figure 3 and Figure 4.Test piece measuring system 15 comprises test piece 20 and measurement mechanism 60.Test piece 20 comprises portion of the handle 22, sample acceptance division (sample receiving portion) 24, and interface section 30.In this example, sample acceptance division 24 is the forms for a fluid cavity (fluid chamber).Similarly, in this example, test piece measuring system 15 is that a galvanochemistry is main system, in order to detect blood sugar.This system also can be used to detect uric acid, cholesterol, triglyceride, and ketone or the like.
Potential electrode (measurement electrode) 36 intersects along electrode surface 32 extensions and with chamber 24.These electrodes can comprise the measurement contact 26 that is set in the chamber 24.When these electrodes are electrically connected with measurement mechanism 60, in order to analyze tested sample.Electrode can comprise, for instance, fills detecting electrode (fill detectelectrode), working electrode (working electrode), and to electrode (counter electrode) etc.Be noted that electrode described herein and the number of measuring contact and type only for giving an example, and this system can comprise more or less electrode, look closely measurement demand and system type and decide.In addition, system is not limited to electrode test piece, also can adopt other suitable diagnosis test piece, similarly is luminosity test piece and fellow thereof.
Advantageously, when user's application of force was inserted instrument with test piece, compressible conductor can be used as the device that the contact force between a plurality of yards contacts and the connector 50 is provided.Thus because do not need extra spring contact or finger contact that contact force between test piece and the test instrumentation is provided, the design that can simplify test instrumentation and/or test piece with reduce manufacturing cost.
Similarly, as shown in figure 12, elasticity or silicon rubber connector have a plurality of surfaces, can or push test piece in order to pushing and pressing, allow test piece be connected with connector conduction ground.For instance, in this example, test piece can be pushed against from the top or the both sides of connector 50.Answering apprehensible is that although the connector in example embodiment has the square-section, connector 50 can be set the cross section with other form, for example is shapes such as triangle, rectangle, polygon, and circle.
The conducting stratum 52 of general elastic connector is to make with silicon rubber dielectric base material, wherein fills with carbon, silver, gold or other conductive material.Dielectric layer and conducting stratum all adopt silicon rubber can provide the layer with layer between suitable the link and excellent mechanical intensity.There are many manufacturers that elasticity or silicon rubber connector can be provided at present, for example be the Fujipoly U.S. branch office (www.fujipoly.com) in N.J. Carteret city, and the Z-axis connector inc. (www.z-axiscc.com) in U.S. Binzhou Warminster city etc.
With reference to figure 5 and Fig. 6, can see that wherein connector 50 is sandwiched in the container 46 and props up PCB 62, and contact with 67 with conducting path 66.Elastic connector is clamped in a certain manufacturing suggestion, make its be compressed in its height 5% to 25% between.
Conducting path 66 and 67 is for being connected to the open electric circuit of processor 64.Processor 64 detects has seal for which circuit.The layer density of connector 50 is than path 66 and 67, and contact 38 wants high.Therefore, when interface section 30 is placed into guide rail 44, contact 38 is to be connected with connector 50 conduction ground, and at least one conducting stratum can be connected with the path of matching, and at least one insulation course can be isolated adjacent circuit, and sealing is originally by path 66 and 67 formed open electric circuits whereby.In this example, path 67 (1) be calibration circuit (calibration circuit) with 67 (2), and wherein processor can be alignment connectors 50 suitably via reading with definite surface of contact 34 and relevant contact 38.When calibration circuit 67 (1) and 67 (2) is by contact 38 (1) during with 38 (9) sealings, processor 64 can verify that test piece 20 is suitably inserted.
More can understand its situation by Fig. 7 A and Fig. 7 B, interface section 30 has and is suitably inserted in Fig. 7 A, makes contact 38 (1) and 38 (9) connect circuit 67 (1) and 67 (2), shows that thus surface of contact 34 aims at connector 50.Fig. 7 B is depicted as interface section 30 and is not suitably inserted, so contact 38 (9) contact-connection assembly for electric 50 suitably not, and calibration circuit 67 (2) is still kept open circuit, and representative is not suitably inserted.Whether measurement mechanism 60 also can comprise an indicator, be used for reminding this test piece of user to have and suitably inserted.Calibration circuit 67 (1) and 67 (2) also can be used to be enabled in the wakeup logic (wake-up logic) in the measurement mechanism.
Fig. 7 A has illustrated how to use sign indicating number to pass on the information of relevant test piece equally with Fig. 7 B.In this example, contact 38 (5) has been removed, so circuit 66 (4) can be kept open circuit, whereby test piece 20 relevant specific code is conveyed to processor 64.In this example, be to remove to produce sign indicating number by conductive material with one of them contact.For instance, in Fig. 8 A, interface section 30 comprises a plurality of contacts 38 (1) to 38 (3), and each contact comprises the conductive material that is set up thereon.Conductive material can utilize printing, screen painting, plating, or alternate manner is to attach or to be adhered to surface of contact 34.Similarly, an indentation zone 39 can be arranged between each contact, it can be isolated contact mutually, and conveniently removes indivedual contacts.Test piece can form in the appropriate plastic material casting, and indentation 39 can be formed in the test piece in casting process in the lump.
Further with reference to figure 8B, different sign indicating numbers can produce by removing one or more contacts, and with contact 38 (2), as is known to the person skilled in the art, contact can be by knocking or grind or its similar program being removed.Alternatively, as shown in Figure 9, interface section 230 can comprise the surface of contact 234 with scored areas 239.In this example, required sign indicating number also can be by not applying conductive material on special area, or cover conductive material by insulants such as utilizing dielectric ink or viscose.Figure 10 shows that another alternative structure of interface section 330.There is no scored areas in this structure, contact 338 only is printed on the surface of contact 334 with interval.Alternatively, as shown in figure 11, entire contact surface 434 can be printed by conductive material, and zone 439 can utilize dielectric ink to print, or covers with viscose.Those skilled in the art should understand, and use elastic connector can provide powerful and reliable method to read the information of test piece with above-mentioned to the test piece apparatus for encoding.In addition, the number height of the comparable traditional test piece of number in contact 38 and path 66, therefore the system that is disclosed can reach higher code combination number.
The present invention also discloses and above-mentioned test piece and the relevant method of test piece measuring system simultaneously, therefore these methods comprise step intrinsic in the above-mentioned physical construction, extensively, one method can comprise provides a test piece with combination of mark contact, utilizes the combination of mark contact that the special characteristics of test piece is encoded.Then, the test piece contact can be pushed against to elastic connector in a normal direction on plane, contact place, makes the processor that is connected with connector can read the combination of mark contact.The present invention also comprises the test piece Methods for Coding.For instance, test piece can have a plurality of indentations, in order to define a plurality of surface in contacts.Next, surface in contact can be coated with a conductive material.Selecteed then contact can via knock or alternate manner createing the combination of contact, in order to the characteristic of indication test piece.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (21)
1. one kind in order to measure the test piece of the same this character, it is characterized in that, comprises:
One sample acceptance division;
The electrode that a plurality of and this sample acceptance division intersect and extend in an electrode surface; And
One accompanies the surface of contact of angle with this electrode surface, and it comprises a plurality of contacts, is suitable for when the normal direction of this surface of contact is pushed against to a connector, is connected with this connector conduction ground.
2. according to claim 1ly it is characterized in that in order to measure the test piece of the same this character these contacts are resized and are spaced apart, with the information coding that this test piece is relevant.
3. according to claim 1ly it is characterized in that in order to measure the test piece of the same this character more selecteed contacts are insulated in these contacts, with the information coding that this test piece is relevant.
4. according to claim 1ly it is characterized in that in order to measure the test piece of the same this character these electrodes extend along an electrode surface, and this surface of contact and this electrode surface are orthogonal.
5. according to claim 1ly it is characterized in that these contacts are the plane in order to measure the test piece of the same this character.
6. according to claim 1 in order to measure the test piece of the same this character, it is characterized in that this surface of contact and this electrode surface are orthogonal.
7. according to claim 1 in order to measure the test piece of the same this character, it is characterized in that this sample acceptance division is the form of a fluid cavity.
8. one kind is used one in order to measure the equally device of the test piece of this character, wherein this test piece comprises a plurality of electrodes that intersect at an electrode surface and a sample acceptance division, and a surface of contact vertical with this electrode surface, and it comprises a plurality of planes contact, it is characterized in that this device comprises:
A connector is suitable in this test piece when a normal direction of this surface of contact is pushed against to this connector, is connected with these contact conduction ground, plane;
One processor; And
One circuit board, it comprises a plurality of with this processor and the interconnected conductive path of this connector, whereby when these plane contacts are connected with this connector, by this processor registration information relevant with this test piece, and corrected Calculation according to demand.
9. use one according to claim 8 is characterized in that in order to measure the equally device of the test piece of this character this connector is an elastic connector.
10. use one according to claim 9 is characterized in that in order to measure the equally device of the test piece of this character this connector is placed on one and is resized and is set with in the slot that receives this test piece.
11. use one according to claim 10 is characterized in that in order to measure the equally device of the test piece of this character this slot comprises a plurality of electrode contacts, each electrode contact connects the electrode of a correspondence in order to conduction ground.
12. one kind in order to measure the system of the same this character, it is characterized in that, comprises:
One test piece comprises:
One sample acceptance division;
A plurality of electrodes that extend and intersect with this sample acceptance division along an electrode surface; And
One is orthogonal and comprise the surface of contact of a plurality of planes contact with this electrode surface; And
One device comprises:
A connector is suitable in this test piece when a normal direction of this surface of contact is pushed against to this connector, is connected with these contact conduction ground, plane;
One processor; And
One circuit board, it comprises a plurality of with this processor and the interconnected conductive path of this connector, whereby when these plane contacts are connected with this connector, by this processor registration information relevant with this test piece, and corrected Calculation according to demand.
13. according to claim 12ly it is characterized in that in order to measure the system of the same this character these contacts are resized and are spaced apart, with the information coding that this test piece is relevant.
14. according to claim 12ly it is characterized in that in order to measure the system of the same this character more selecteed being insulated in these contacts is with the information coding that this test piece is relevant.
15. according to claim 12 in order to measure the system of the same this character, it is characterized in that this connector is an elastic connector.
16. according to claim 15 in order to measure the system of the same this character, it is characterized in that this connector is placed on one and is resized and is set with in the slot that receives this test piece.
17. according to claim 16ly it is characterized in that in order to measure the system of the same this character this slot comprises a plurality of electrode contacts, each electrode contact connects the electrode of a correspondence in order to conduction ground.
18. one kind in order to detect the test piece of the same this character, it is characterized in that, comprises:
One sample acceptance division;
One surface of contact, it comprises a plurality of contacts, is suitable for when the normal direction of this surface of contact is pushed against to a connector, is connected with this connector conduction ground, wherein these contacts are encoded in order to the information that this test piece is relevant, and corrected Calculation according to demand.
19. according to claim 18 in order to detect the test piece of the same this character, it is characterized in that this test piece is a galvanochemistry test piece.
20. according to claim 18 in order to detect the test piece of the same this character, it is characterized in that this test piece is a luminosity test piece.
21. one kind in order to read one yard device from a card, wherein this card comprises a surface of contact, and this surface of contact comprises a plurality of planes contact, it is characterized in that, this device comprises:
One elastic connector is suitable for when this normal direction that is stuck in this surface of contact is pushed against to this connector, is connected with these contact conduction ground, plane;
One processor; And
One circuit board, it comprises a plurality ofly when these plane contacts are connected with this elastic connector, registers this sign indicating number by this processor whereby with this processor and the interconnected conductive path of this connector, and corrected Calculation according to demand.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010151650.8A CN102221573B (en) | 2010-04-14 | 2010-04-14 | Test piece, device and relevant system for measuring components and characteristic of fluid |
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|---|---|---|---|
| CN201010151650.8A CN102221573B (en) | 2010-04-14 | 2010-04-14 | Test piece, device and relevant system for measuring components and characteristic of fluid |
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| CN102221573A true CN102221573A (en) | 2011-10-19 |
| CN102221573B CN102221573B (en) | 2014-08-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108344771A (en) * | 2017-01-25 | 2018-07-31 | 华广生技股份有限公司 | Test piece reading device |
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| CN201203615Y (en) * | 2008-05-16 | 2009-03-04 | 五鼎生物技术股份有限公司 | Biochemical sensing system, measuring apparatus and biochemical sensing test piece |
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| CN108344771B (en) * | 2017-01-25 | 2020-09-25 | 华广生技股份有限公司 | Test piece reading device |
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