CN111175226A - Test strip reader - Google Patents
Test strip reader Download PDFInfo
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- CN111175226A CN111175226A CN201811329201.0A CN201811329201A CN111175226A CN 111175226 A CN111175226 A CN 111175226A CN 201811329201 A CN201811329201 A CN 201811329201A CN 111175226 A CN111175226 A CN 111175226A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/00584—Control arrangements for automatic analysers
- G01N35/00722—Communications; Identification
- G01N35/00732—Identification of carriers, materials or components in automatic analysers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/00584—Control arrangements for automatic analysers
- G01N35/00722—Communications; Identification
- G01N35/00871—Communications between instruments or with remote terminals
Abstract
A test strip reader is used for reading a test strip, and the test strip is provided with a connecting terminal group comprising a plurality of terminals. The test strip reader comprises a camera unit, a processing unit and a port unit. The camera shooting unit is suitable for capturing the image picture of the connecting terminal group. The processing unit is connected with the camera unit to process the image picture and generate configuration information of a plurality of terminals. The port unit is connected with the processing unit, so that the processing unit transmits the corresponding detection signal to at least one of the plurality of terminals through the port unit according to the configuration information. Therefore, the detection test piece reader can automatically identify the detection test piece according to the configuration information of the terminals in the image picture, so that the detection test pieces with different specifications can be conveniently matched and used.
Description
Technical Field
The present invention relates to a test strip reader, and more particularly, to a test strip reader for optically identifying a test strip.
Background
With the improvement of sanitary conditions and the advancement of medical technology, the average life of people is gradually prolonged, and thus the importance of issues such as prevention of chronic diseases and long-term care (long-term care for short) is increasing. In order to properly prevent the occurrence of diseases and provide adequate screening services, the physiological status of each case must be detected and tracked.
When people want to know their own physiological conditions, they usually need to go to various medical institutions and be assisted by professional people. In this operation mode, not only the time and money cost of each case is greatly burdened, but also the professional medical manpower is prevented from providing other services. With the increasing demand of various tests, if all simple basic tests are performed by medical professionals, the professional manpower is burdened. With the progress of science and technology, many household photo-protection type detection instruments come out, and people can use the instruments to perform preliminary detection on physiological information, so that convenience and instantaneity of case-by-case information acquisition are improved, and operation burden of a medical health system is greatly reduced.
The detection apparatuses developed at present are various in variety, and among them, the electrochemical analysis method has advantages of rapidness and convenience, and is useful for being developed as a sensor capable of being detected at any time, and thus is often applied to detection or concentration analysis of various physiological substances. Currently, when the electrochemical analysis method is applied to a home-based physiological measurement apparatus, the electrochemical analysis method is usually in the form of a Test Strip (Test Strip) and can be used to analyze the concentration of a substance in various liquid samples.
Taking a blood glucose meter as an example, the blood glucose meter drops a blood sample into an enzyme reaction area of a test strip, when the blood glucose in the sample reacts with the enzyme, the test strip reader can read electrical signals such as current, voltage or resistance value changes, and the like, and the blood glucose concentration in the sample can be obtained according to the read electrical signals. With the popularization of these blood glucose meters, the blood test strips on the market are not only very diverse, but also have different structural designs depending on the design of the supplier. Considering the functionality of the blood test strip, the type of the reaction enzyme, the material of the port and the resistance, if a single test strip reader is used to read test strips of different specifications, it is necessary to be able to correctly identify the test strip and to adopt different calculation methods and parameter adjustments according to different test strips.
In the conventional test strip reader, a plurality of sets of pins are disposed in a port, so as to identify the test strip inserted into the port by the feedback signal of each pin. However, this method is structurally complicated, which not only easily affects the production yield but also is inconvenient for maintenance, and in addition, if there is tolerance in design or assembly, even if some pins in the port are shifted due to improper operation, it may affect the reliability of signal connection and cause error in the interpretation result. Accordingly, there is a need to improve the structure of the existing test strip reader to provide a more convenient, reliable and simple test strip identification method.
Disclosure of Invention
The present invention is directed to a test strip reader for optically identifying a test strip, which is provided to solve the problems of complex structure, high production yield and maintenance in the prior art, and to improve the reliability of the interpretation result.
In order to solve the above technical problems, one of the technical solutions of the present invention is to provide a test strip reader for reading a first test strip, where the first test strip has a first connection terminal set, and the first connection terminal set has a plurality of first terminals. The test strip reader comprises a first camera unit, a processing unit and a port unit. The first camera unit is used for capturing an image picture of the first connecting terminal group. The processing unit is connected with the first camera unit to process the image picture and generate configuration information of the first terminals. The port unit is connected with the processing unit so that the processing unit transmits a corresponding detection signal to at least one of the first terminals through the port unit according to the configuration information.
Preferably, the test strip reader further comprises a test strip slot and a light emitting unit. The test strip slot is used for the first test strip to be inserted into the test strip reader, and the port unit and the first camera unit are arranged in the test strip slot. The light-emitting unit is arranged in the detection test piece slot, and light emitted by the light-emitting unit is reflected by the surface of the first detection test piece and received by the first camera unit.
Preferably, the test strip reader further comprises an optical diaphragm set disposed in the test strip slot, and the light emitted by the light emitting unit irradiates the surface of the first test strip through the optical diaphragm set.
Preferably, a first optical identification information carrier is further disposed on the surface of the first test strip, the processing unit generates the configuration information according to the arrangement manner of the plurality of first terminals in the image, and generates a calibration information according to the first optical identification information carrier in the image, wherein the processing unit detects the sample on the first test strip according to the configuration information and the calibration information.
Preferably, the test strip reader further comprises a storage unit connected to the processing unit, wherein the storage unit stores a physiological test software and a database, the database stores a first parameter setting corresponding to the first test strip, and the processing unit transmits a corresponding detection signal to at least one of the first terminals according to a result of reading the first parameter setting to execute the physiological test software, so as to process the signal received from the port unit.
Preferably, the first parameter setting value includes a first test strip type parameter corresponding to the first test strip and the configuration information corresponding to the first connection terminal set.
Preferably, the first parameter setting value includes a first calibration parameter corresponding to the first test strip.
Preferably, the test strip reader further comprises a second camera unit disposed at an outer side of the test strip reader and connected to the processing unit, the second camera unit is configured to capture a second optical identification information carrier corresponding to the first test strip, wherein the processing unit obtains a first test strip batch information corresponding to the first test strip according to the second optical identification information carrier.
Preferably, the processing unit updates the first calibration parameter according to the first test piece batch information.
Preferably, the test strip reader further comprises a network connection unit connected to the processing unit, and the network connection unit is connected to a server via the internet.
One of the advantages of the present invention is that the test strip reader provided by the present invention can automatically identify the test strip by the technical solutions of "the first test strip has a first connection terminal set", "the first camera unit is used for capturing an image of the first connection terminal set", and "the processing unit transmits a corresponding detection signal to at least one of the first terminals via the port unit according to the configuration information", and adopts a corresponding calculation manner and parameter adjustment
For a better understanding of the features and technical content of the present invention, reference should be made to the following detailed description of the invention and accompanying drawings, which are provided for purposes of illustration and description only and are not intended to limit the invention.
Drawings
FIG. 1 is a block diagram of a test strip reader according to a preferred embodiment of the present invention.
FIG. 2 is a perspective view of a test strip reader according to a preferred embodiment of the present invention.
FIG. 3 is an enlarged partial sectional view of a test strip reader according to a preferred embodiment of the present invention.
FIG. 4 is another perspective view of a test strip reader according to a preferred embodiment of the present invention.
Detailed Description
The following description is provided by way of specific embodiments of the present disclosure regarding the "test strip reader for optically identifying a test strip", and those skilled in the art can understand the advantages and effects of the present disclosure from the disclosure of the present disclosure. The invention is capable of other and different embodiments and its several details are capable of modification and various other changes, which can be made in various details within the specification and without departing from the spirit and scope of the invention. The drawings of the present invention are for illustrative purposes only and are not intended to be drawn to scale. The following embodiments will further explain the related art of the present invention in detail, but the disclosure is not intended to limit the scope of the present invention.
It will be understood that, although the terms "first," "second," "third," etc. may be used herein to describe various components or signals, these components or signals should not be limited by these terms. These terms are used primarily to distinguish one element from another element or from one signal to another signal. In addition, the term "or" as used herein should be taken to include any one or combination of more of the associated listed items as the case may be.
Referring to fig. 1 to 4, fig. 1 is a block diagram of a test strip reader according to a preferred embodiment of the present invention. FIG. 2 is a perspective view of a test strip reader according to a preferred embodiment of the present invention. FIG. 3 is an enlarged partial sectional view of a test strip reader according to a preferred embodiment of the present invention. FIG. 4 is another perspective view of a test strip reader according to a preferred embodiment of the present invention. As can be seen from the above drawings, the preferred embodiment of the present invention provides a test strip reader D, in this embodiment, the test strip reader D can be a reader for detecting a single analyte (such as blood glucose), or a reader with a complex function for detecting a plurality of different samples, and the present invention is not limited to the type of the object to be detected.
In view of the above, the test strip reader D of the present invention can be used to read test strips of different specifications, and in this embodiment, the first test strip C is taken as an example and has a first connection terminal group C1, and the first connection terminal group C1 has a plurality of first terminals C11. In the present embodiment, the first test strip C is a blood glucose test strip, and the first connection terminal group C1 has four first terminals C11, however, as mentioned above, the test strip reader D of the present invention can also be used to read a second test strip (not shown) having other terminals with other shapes and numbers (e.g. six terminals), even other test strips for detecting other substance concentrations. Generally, the first connection terminal set C1 is disposed at one end of the first test strip C, and the other end of the first test strip C is used for a user to drop a sample (e.g. a trace amount of blood or even saliva) into the enzyme reaction region, so that a substance to be detected in the sample reacts with the enzyme in the enzyme reaction region.
Referring to fig. 1 and fig. 2, the test strip reader D of the present invention has a reader body D1 with a test strip slot D2 for inserting test strips of various specifications including the first test strip C into the test strip reader D. In operation, the end of the first test strip C having the first connection terminal group C1 is inserted into the test strip slot D2.
Referring to fig. 1 and fig. 3, the test strip reader D of the present invention includes a first camera unit 1, a processing unit 2 and a port unit 3, wherein the processing unit 2, the first camera unit 1 and the port unit 3 are in signal connection with each other. The test strip reader D of the present invention captures an image of the connection terminal set through the first camera unit 1 to identify the type of the test strip. Specifically, in the preferred embodiment of the present invention, the first camera unit 1 captures an image of the first connection terminal set C1, and transmits the image to the processing unit 2, so that the processing unit 2 generates configuration information of the first terminals C11 after processing the image, and determines the first test strip C according to the configuration information.
As mentioned above, when the processing unit 2 determines that the detecting strip is the first detecting strip C according to the configuration information of the first terminals C11, the calculating method corresponding to the first detecting strip C can be correctly selected, and the port unit 3 transmits the corresponding detecting signal to the first connecting terminal group C1. According to different test strips, the detection signal may be sent to different terminals in the terminal set, in this embodiment, the detection signal is sent to at least one of the plurality of first terminals C11, and the test strip reader D determines the blood glucose concentration in the sample according to the feedback signal by a corresponding calculation method and parameter adjustment.
Because the invention mainly judges the image picture obtained by the first camera unit 1 by the Automatic Optical Identification (AOI) technology, the structure is more concise than the existing array pins, and the error of the interpretation result caused by the influence on the reliability of signal connection due to the assembly tolerance, improper operation or impact on the machine and other factors is not easy to occur.
The technical details of the present invention are further described below. Referring to fig. 1 and 3, in a preferred embodiment of the present invention, the port unit 3 and the first camera unit 1 are disposed in the test strip slot D2, and the test strip slot D2 is further disposed with two light emitting units 4. The light emitted by the light-emitting unit 4 is reflected by the surface of the first test strip C and received by the first camera unit 1, so as to avoid that the image obtained by the first camera unit 1 is unclear and the subsequent identification operation cannot be correctly performed due to insufficient light in the test strip slot D2. Furthermore, the two light emitting units 4 of the present embodiment are respectively disposed at two sides of the first camera unit 1, and the test strip slot D2 is further provided with an optical film set 5, the optical film set 5 is disposed between the light emitting units 4 and the inserted first test strip C, so that the light emitted by the light emitting units 4 can first pass through the optical film set 5, and then be uniformly irradiated onto the surface of the first test strip C, and then be reflected back to the first camera unit 1. The method has proved that the method can make a positive contribution to the correctness of the interpretation result. It should be noted that, although the two light emitting units 4 are respectively disposed on two sides of the first image capturing unit 1 in the embodiment, the specific configuration of the light emitting units 4 is not limited thereto, and the manufacturer and designer of the test strip reader D can appropriately adjust the configuration according to the required optical performance requirement according to the actual structure of the product.
Considering that the quality of the test strips, the activity of the enzyme, the material of the port, and the resistance of each batch may affect the result of the interpretation during the production process of the test strip, generally, each batch of test strips must be calibrated by a standard before being actually sold to users. In the conventional method, a lot of test strips are sold together and a Code Card (Code Card) with calibration information written therein is used, and before a user operates the test strips, the Code Card must be inserted into a reader, so that the reader can obtain the calibration information of the lot of test strips through the Code Card. However, such methods are not only very inconvenient, but also, if the user's use or storage habit is not good, the wrong password card and the wrong test strip are likely to be matched with each other for use, so that the measured result cannot reflect the real physiological status, and the user may be surprised by the user, and the gold time for the user to find the problem early may be delayed.
Accordingly, referring to fig. 1 and fig. 3, since the first test strip C is identified by optical identification, when the surface of the first test strip C is further provided with a first optical identification information carrier C2 (for example, QRcode), the image frame obtained by the first camera unit 1 can be used to identify the information carried in the first optical identification information carrier C2. Specifically, after a manufacturer of the first test strip C produces a batch of the first test strip C and obtains the calibration information of the batch through testing, a QR code (i.e. the first optical identification information carrier C2) may be printed on the first test strip C, so that the test strip reader D can directly obtain the corresponding calibration information when reading the first test strip C. In other words, in the preferred embodiment of the present invention, the processing unit 2 detects the sample on the first test strip C according to the configuration information and the calibration information. The method not only greatly improves the convenience in use, but also avoids the problems of wearing the crown-shaped plum and the like easily caused by using the password card.
Referring to fig. 1 and 3, in the preferred embodiment of the present invention, the test strip reader D further includes a storage unit 6, and the storage unit 6 is also connected to the processing unit 2. The storage unit 6 stores physiological detection software 61 and a database 62. As mentioned above, the processing unit 2 determines the blood glucose concentration in the sample according to the signal fed back by the first test strip C by the corresponding calculation method and parameter adjustment, wherein the processing unit 2 can execute the physiological detection software 61 to perform the calculation method and parameter adjustment. More specifically, the database 62 stores a plurality of parameter settings corresponding to different test strips, such as a first parameter setting 621 corresponding to a first test strip C, a second parameter setting 622 corresponding to a second test strip (not shown), and a third parameter setting 623 corresponding to a third test strip (not shown).
As mentioned above, each parameter setting value includes the test piece type parameter of the corresponding test piece and the configuration information corresponding to the connection terminal set. Specifically, in the present embodiment, it means that the first parameter setting 621 includes a first test strip type parameter corresponding to the first test strip C and configuration information corresponding to the first connection terminal set C11. Accordingly, after the processing unit 2 analyzes the image obtained from the first camera unit 1, the configuration information of the first connection terminal group C11 can be analyzed according to the AOI technique, and after comparing the parameter setting values in the database 62, the corresponding test strip is determined to be the first test strip C, and the corresponding detection signal is transmitted to at least one of the first terminals C11 according to the result of reading the first parameter setting value 621, and the physiological detection software 61 is executed to process the signal received from the port unit 3. In the present embodiment, the test strip reader D further includes a display unit 7, which is also connected to the processing unit 2, and the display unit 7 is disposed on the top surface of the reader body D1. After the processing unit 2 executes the physiological detection software 61 and obtains the analysis result, the analysis result can be displayed on the display unit 7, so that the user can easily know the physiological condition of the user according to the visualized information displayed on the display unit 7.
Next, please refer to fig. 1 and fig. 3 together. As mentioned above, the calibration of a conventional test strip is required. In one preferred embodiment of the present invention, the first optical identification information carrier C2 is used to carry calibration information, and after the calibration information corresponding to the first test strip C is obtained from the image obtained by the first camera unit 1, the processing unit 2 can write the calibration information into the database 62 and record the calibration information as the first calibration parameter in the first parameter setting 621. In other words, in the preferred embodiment of the present invention, each parameter setting value can further include a respective calibration parameter corresponding to each test strip. For example, the first parameter setting 621 may include a first calibration parameter corresponding to the first test strip C, and the column of the first calibration parameter may be updated each time the test strip reader D obtains calibration information.
As mentioned above, although the first optical identification information carrier C2 is printed on the first test strip C, the manner of providing the calibration information is not limited thereto. Referring to fig. 1 and 4, in some embodiments, a manufacturer of the test strips can store a batch of first test strips C in a same test strip container C3, print a second optical identification information carrier C4 on an outer surface of the test strip container C3, and record batch information of the first test strip corresponding to the first test strip C and more detailed detection parameters related to the first test strip C in the second optical identification information carrier C4. The matching of the second optical identification information carrier C4 with the first optical identification information carrier C2 printed on the first test strip C can replace the prior art that requires inserting a password card to read the detailed batch information, so that the operation convenience can be substantially improved, and the occurrence of mismatching can be avoided.
In accordance with the foregoing, in the preferred embodiment of the present invention, the test strip reader D further includes a second camera unit 8 connected to the processing unit 2 and configured to capture a second optical identification information carrier C4 corresponding to the first test strip C. As shown in the figure, the second camera unit 8 of the present embodiment is disposed outside the test strip reader D, and when the user operates the test strip reader D, the user only needs to align the second camera unit 8 with the second optical identification information carrier C4 on the test strip container C3, and the processing unit 2 can obtain the first test strip lot information corresponding to the first test strip C according to the second optical identification information carrier 8. After the processing unit 2 obtains the first test piece batch information corresponding to the first test piece C, the first calibration parameter can be updated according to the first test piece batch information.
As mentioned above, the first calibration parameter is updated according to the batch information of the first test strip by programming the adjustment value of the parameter into the second optical identification information carrier C4 in advance, so as to directly modify the first calibration parameter in the database 62 according to the obtained parameter adjustment value, however, the invention is not limited thereto. For example, in the preferred embodiment of the present invention, the test strip reader D further includes a network connection unit 9 connected to the processing unit 2, so that the test strip reader D can be connected to the internet and transmit and receive signals through the network connection unit 9. In this embodiment, the network connection unit 9 is connected to a server S via the internet, and the server S is provided by a manufacturer of the first test strip C and records the adjustment values of the parameters of the first test strip C corresponding to each batch. In other words, after the test strip reader D obtains the first test strip lot information from the second optical identification information carrier C4 through the second camera unit 8, it only needs to connect to the servo device S through the internet, so that the servo device S can obtain the corresponding parameter adjustment value, and update the first calibration parameter accordingly. The above examples are provided only for the convenience of understanding the technology of the present invention and are not intended to limit the claimed invention to the examples set forth above.
Advantageous effects of the embodiments
One of the advantages of the present invention is that the test strip reader provided by the present invention can automatically identify the test strip by the technical solutions of "the first test strip C has the first connection terminal group C1", "the first camera unit 1 is adapted to capture the image of the first connection terminal group C1", and "the processing unit 2 transmits the corresponding detection signal to at least one of the first terminals C11 through the port unit 3 according to the configuration information", and adopts the corresponding calculation method and parameter adjustment.
The disclosure is only a preferred embodiment of the invention, and is not intended to limit the scope of the claims, so that all technical equivalents and modifications using the contents of the specification and drawings are included in the scope of the claims.
Claims (10)
1. A test strip reader for reading a first test strip, the first test strip having a first connection terminal set, the first connection terminal set having a plurality of first terminals, the test strip reader comprising:
the first camera unit is used for capturing an image picture of the first connecting terminal set;
the processing unit is connected with the first camera unit to process the image picture and generate configuration information of the first terminals; and
and the port unit is connected with the processing unit so that the processing unit transmits a corresponding detection signal to at least one of the first terminals through the port unit according to the configuration information.
2. The test strip reader of claim 1, further comprising:
the test strip slot is used for inserting the first test strip into the test strip reader, and the port unit and the first camera unit are arranged in the test strip slot; and
and the light emitted by the light-emitting unit is reflected by the surface of the first detection test piece and is received by the first camera unit.
3. The test strip reader of claim 2, further comprising an optical membrane set disposed in the test strip slot, wherein the light emitted from the light emitting unit irradiates the surface of the first test strip through the optical membrane set.
4. The test strip reader of claim 1, wherein a first optical identification information carrier is disposed on a surface of the first test strip, the processing unit generates the configuration information according to an arrangement of the first terminals in the image, and generates a calibration information according to the first optical identification information carrier in the image, wherein the processing unit detects the sample on the first test strip according to the configuration information and the calibration information.
5. The test strip reader of claim 1, further comprising a storage unit connected to the processing unit, wherein the storage unit stores a physiological test software and a database, the database stores a first parameter setting corresponding to the first test strip, and the processing unit transmits a corresponding detection signal to at least one of the first terminals to execute the physiological test software according to the result of reading the first parameter setting, so as to process the signal received from the port unit.
6. The test strip reader of claim 5, wherein the first parameter setting comprises a first test strip type parameter corresponding to the first test strip and the configuration information corresponding to the first connection terminal set.
7. The test strip reader of claim 5, wherein the first parameter setting comprises a first calibration parameter corresponding to the first test strip.
8. The test strip reader of claim 7, further comprising a second camera unit disposed outside the test strip reader and connected to the processing unit, the second camera unit being configured to capture a second optical identification information carrier corresponding to the first test strip, wherein the processing unit obtains a first test strip lot information corresponding to the first test strip according to the second optical identification information carrier.
9. The test strip reader of claim 7, wherein the processing unit updates the first calibration parameter according to the first test strip lot information.
10. The test strip reader of claim 1, further comprising a network connection unit connected to the processing unit, wherein the network connection unit is connected to a server via the internet.
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| CN201811329201.0A CN111175226A (en) | 2018-11-09 | 2018-11-09 | Test strip reader |
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| CN201811329201.0A CN111175226A (en) | 2018-11-09 | 2018-11-09 | Test strip reader |
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Cited By (1)
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| WO2022036627A1 (en) * | 2020-08-20 | 2022-02-24 | 柯正浩 | Screening test paper reading system |
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| CN108267583A (en) * | 2016-12-30 | 2018-07-10 | 保康特生物科技股份有限公司 | The outer detecting system of portable fast sieve nest |
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| WO2022036627A1 (en) * | 2020-08-20 | 2022-02-24 | 柯正浩 | Screening test paper reading system |
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