TWM650007U - Disposable self-sensing test strip - Google Patents

Abstract

A disposable self-sensing signal test piece includes a test piece body. The test piece body has a detection area and a circuit area. The detection area has a detection circuit. The test piece body has an electrochemical processing unit and a wireless device located in the circuit area. The transmission unit and a power supply unit, the detection circuit is electrically connected to the electrochemical processing unit, the electrochemical processing unit is used to send a control signal to the detection circuit for performing detection, and the detection circuit is used to communicate with the to-be-processed device after receiving the control signal. The detection sample performs an electrochemical reaction and sends a feedback signal back to the electrochemical processing unit. The electrochemical processing unit is used to convert the feedback signal into a detection parameter signal, and sends the detection parameter signal to a receiving unit through the wireless transmission unit. The power supply The unit is used to supply power to the electrochemical processing unit and the wireless transmission unit.

Description

Disposable self-sensing signal test piece

The invention relates to an electrochemical induction test piece.

Electrochemical Sensors have been maturely used in the detection of various fluids. Existing electrochemical sensors have different configurations due to different needs, but their basic structure includes: a container to hold the fluid to be measured, and chemical reagents (Reagent), which are used to interact with the fluid to be measured. The analyte produces an electrochemical effect and generates an output signal of an electrical parameter, a plurality of test electrodes, including a working electrode (Working Electrode), a reference electrode (Reference Electrode) and a detecting electrode (Detecting Electrode), and a measuring device. It is used to provide necessary working voltage, receive the output signal and measure a measurement value to represent the content of the analyte.

In the prior art, the aforementioned chemical reagents and test electrodes usually exist in the form of sensing test strips, while the aforementioned measuring device exists in the form of an independent measuring instrument. Therefore, in order to perform testing, the user must prepare the measuring instrument and the detector. The matching induction test strips are not convenient to use, and different measuring instruments must be prepared for different detection targets. The price of measuring instruments is much higher than that of the induction test strips. For those who need to detect multiple detection targets at the same time, It will significantly increase the cost burden for users, and it is also inconvenient to carry.

Problems such as these make it difficult to popularize existing electrochemical sensors. Many users with potential needs do not use electrochemical sensors because of their high price, lack of convenience, and difficulty in portability.

The main purpose of the present invention is to provide a sensory test piece that can greatly improve convenience.

In order to achieve the above and other objectives, the present invention provides a disposable self-sensing signal test piece, which includes a test piece body with a detection area for contact with the sample to be detected and a non-contact area for contact with the sample. The circuit area where the sample to be tested is contacted, the detection area has a detection circuit; the test piece body further has an electrochemical processing unit, a wireless transmission unit and a power supply unit located in the circuit area, the detection circuit and the electrochemical The processing unit is electrically connected. The electrochemical processing unit is used to send a control signal to the detection circuit for performing detection. After receiving the control signal, the detection circuit is used to perform an electrochemical reaction with the sample to be detected and A feedback signal is fed back to the electrochemical processing unit. The electrochemical processing unit is further used to convert the feedback signal into a detection parameter signal, and to send the detection parameter signal to a device not connected to the disposable device through the wireless transmission unit. The self-sensing signal test strip is mechanically connected to the receiving unit, and the power supply unit is used to supply power to the electrochemical processing unit and the wireless transmission unit.

In order to achieve the above and other purposes, the present invention provides a disposable self-sensing signal test piece, which mainly consists of a substrate, a detection circuit, an electrochemical processing unit, a wireless transmission unit, a power supply unit, a protective layer and a It consists of a power activation means. The substrate has a detection area for contact with the sample to be detected and a circuit area not for contact with the sample to be detected. The detection circuit, electrochemical processing unit and power supply unit are all located in the circuit area. The electrochemical processing unit is electrically connected to the detection circuit. The power supply unit is used to supply power to the electrochemical processing unit and the wireless transmission unit. The protective layer completely covers the circuit area, the electrochemical processing unit, the wireless transmission unit and the wireless transmission unit. The power supply unit, the power activation means is used for the user to selectively activate the power supply unit's ability to supply power to the electrochemical processing unit and the wireless transmission unit; wherein, the electrochemical processing unit is used to send a signal to the detection circuit for execution. check After receiving the control signal, the detection circuit is used to perform an electrochemical reaction with the sample to be detected and to send a feedback signal back to the electrochemical processing unit. The electrochemical processing unit is further used to The feedback signal is converted into a detection parameter signal and used to send the detection parameter signal to a receiving unit that is not mechanically connected to the disposable self-sensing signal test piece through the wireless transmission unit.

Based on the above design, users do not need to use a measuring instrument. They only need to use a disposable test piece to generate and send out detection parameter signals, and the test piece can be used directly without being mechanically connected to other external hardware devices. At the same time, the selling price can still be controlled at a price far lower than that of existing measuring instruments, thereby solving the long-standing problem in the field of electrochemical sensors that is not easy to promote, allowing more potential users to use it at a low cost. Perform electrochemical tests where there is a potential need, such as health-related tests.

1: Disposable self-sensing signal test piece

2:Receive element

3: Power activation method

4: Monitor

10:Detection area

11:Detection circuit

20:Circuit area

30:Electrochemical processing unit

40: Wireless transmission unit

50:Power supply unit

60:Substrate

70:Protective layer

Figure 1 is a block diagram of one embodiment of the present invention.

Figure 2 is a schematic diagram of one embodiment of the present invention.

Please refer to Figures 1 and 2, which illustrate one embodiment of the present invention. The disposable self-sensing signal test piece 1 can be used for the detection of various fluids to detect whether the sample to be detected contains a target. The concentration of the analyte, the target analyte, and/or other values that need to be detected. The sample to be detected can be but is not limited to blood, urine, water samples, or other non-aqueous fluid samples. The target analyte can be They are but are not limited to glycated heme, blood sugar, heavy metals, nitrates, nitrites, allergens, formaldehyde, dissolved oxygen and other compounds. The values to be detected can be but are not limited to physical parameters such as pH value and conductivity. The disposable self-sensing signal test piece 1 can be used in conjunction with a receiving element 2 that is not mechanically connected to the disposable self-sensing signal test piece 1. The mechanical connection refers to the direct physical contact between the two components, so The receiving unit 2 may be, but is not limited to, a mobile phone, a tablet, a computer, or other devices that may form an inseparable state with the disposable self-sensing signal test piece 1. A device that is wired and capable of displaying, processing and/or relaying detection parameter signals.

The disposable self-sensing signal test piece 1 includes a test piece body and a power activation means 3. The test piece body has an electrochemical processing unit 30, a wireless transmission unit 40, a power supply unit 50, a substrate 60 and a protective layer. 70. The substrate 60 has a detection area 10 for contact with the sample to be detected and a circuit area 20 not for contact with the sample to be detected. That is, the detection area and the circuit area exist in the test strip body. The detection area 10 has a detection circuit 11, which is electrically connected to the electrochemical processing unit 30; depending on the target analyte or the value to be detected, the detection circuit 11 may include but is not limited to a working electrode, a reference electrode, an auxiliary electrode and/or Detection electrodes; and, depending on the target analyte or the value to be detected, at least part of the detection circuit 11 may also include, but is not limited to, chemical reagents, enzymes, attached to the conductor that help detect the target analyte or the value to be detected, Catalysts and/or enzymes.

The electrochemical processing unit 30, the wireless transmission unit 40 and the power supply unit 50 are located in the circuit area 20, and the protective layer 70 completely covers the circuit area 20, the electrochemical processing unit 30, the wireless transmission unit 40 and the power supply unit 50. The protective layer 70 is, for example, The power supply is airtight/watertight. The electrochemical processing unit 30 may be, for example, but not limited to a microprocessor, the wireless transmission unit 40 may be, but is not limited to, a Bluetooth transmission chip, and the power supply unit 50 may be a capacitor, a fuel cell or other rechargeable or non-rechargeable micro-battery. To supply power to the electrochemical processing unit 30 and the wireless transmission unit 40 . In a possible implementation, the disposable self-sensing signal test piece can be recycled after the first use. In particular, the rechargeable battery of the disposable self-sensing signal test piece can be recycled into other new or new products. Reproduced test piece body.

The power activation means 3 is used for the user to selectively activate the ability of the power supply unit 50 to supply power to the electrochemical processing unit 30 and the wireless transmission unit 40. That is, the power supply unit 50 can only supply power when the power supply capability of the power supply unit 50 is activated. to the electrochemical processing unit 30 and the wireless transmission unit 40; conversely, when the power supply capability of the power supply unit 50 is not activated, the power supply unit 50 cannot supply power to the electrochemical processing unit 30. processing unit 30 and wireless transmission unit 40, thereby retaining power. The power activation means 3 is, for example, a plastic film that can interrupt the power supply unit 50 and other circuits, thereby temporarily losing the power supply capability of the power supply unit 50; when the plastic film is removed, the power supply unit 50 contacts the circuit and restores the power supply capability. In other possible implementations, the power activation means may be, but are not limited to, switches and knobs; in other possible implementations, the power activation means is the action of placing the power unit into the test strip body.

In order to reduce the cost of the disposable self-sensing signal test piece, the disposable self-sensing signal test piece specifically does not have a gold finger for mechanical connection with an external detector and a display for displaying the detection parameter signal.

The aforementioned disposable self-sensing signal test piece can be applied to an electrochemical sensing method, which includes the following steps in sequence: using the power activation means 3 to activate the power supply unit 50 to supply power to the electrochemical processing unit 30 and the wireless transmission unit 40 Capability; use the electrochemical processing unit 30 to send a control signal to the detection circuit 11 for performing detection; after the detection circuit 11 receives the control signal, use the detection circuit 11 to perform an electrochemical reaction with the sample to be detected and send the electrochemical signal to the electrochemical process. The processing unit 30 feeds back a feedback signal; uses the electrochemical processing unit 30 to convert the feedback signal into a detection parameter signal; and uses the electrochemical processing unit 30 to send the detection parameter signal to the non-disposable self-sensing signal via the wireless transmission unit 40 The test piece is mechanically connected to the receiving unit 2; the detection parameter signal is displayed on a display 4 of the receiving unit 2.

Based on the above design, users do not need to use a measuring instrument. They only need to use a disposable test piece to generate and send out test parameter signals, and can use their existing personal devices such as mobile phones or tablets to receive and display tests. Parameter signal, and the test piece does not need to be connected with other external hardware equipment It can be used directly by mechanical connection, and at the same time, the selling price can be controlled at a price far lower than that of existing measuring instruments. This solves the long-standing problem in the field of electrochemical sensors that is not easy to promote, and allows more potential users to Users can also inexpensively perform electrochemical tests with potential needs, such as health-related tests.

1: Disposable self-sensing signal test piece

2:Receive element

3: Power activation method

4: Monitor

10:Detection area

11:Detection circuit

20:Circuit area

30:Electrochemical processing unit

40: Wireless transmission unit

50:Power supply unit

60:Substrate

70:Protective layer

Claims (8)

A disposable self-sensing signal test strip, including: A test piece body has a detection area for contact with the sample to be detected and a circuit area not for contact with the sample to be detected. The detection area has a detection circuit; the test piece body further has a detection area located on the circuit. There is an electrochemical processing unit, a wireless transmission unit and a power supply unit in the area, the detection circuit is electrically connected to the electrochemical processing unit, and the electrochemical processing unit is used to send a control signal for performing detection to the detection circuit, The detection circuit is used to perform an electrochemical reaction with the sample to be detected after receiving the control signal and to feed back a feedback signal to the electrochemical processing unit. The electrochemical processing unit is further used to convert the feedback signal into a Detect parameter signals and send the detected parameter signals to a receiving unit that is not mechanically connected to the disposable self-sensing signal test piece through the wireless transmission unit. The power supply unit is used to supply power to the electrochemical processing unit. and the wireless transmission unit. The disposable self-sensing signal test strip as described in claim 1, wherein the test strip body has a substrate, the detection area and the circuit area are located on the substrate, the electrochemical processing unit, the wireless transmission unit and the power supply The units are all located on the substrate. The disposable self-sensing signal test strip as described in claim 1, wherein the power supply unit is a capacitor. The disposable self-sensing signal test piece as described in claim 1, wherein the test piece body further has a protective layer that completely covers the circuit area, the electrochemical processing unit, the wireless transmission unit and the power supply unit. The disposable self-sensing signal test piece as described in claim 1, wherein the disposable self-sensing signal test piece does not have a gold finger for mechanical connection with an external detector and a display for displaying the detection parameter signal. . The disposable self-sensing signal test strip as described in claim 1 further includes a power activation means for the user to selectively activate the power supply unit's ability to supply power to the electrochemical processing unit and the wireless transmission unit. A disposable self-sensing signal test piece mainly consists of the following components: A substrate having a detection area for contact with the sample to be detected and a circuit area not for contact with the sample to be detected; A detection circuit is provided in the detection area; An electrochemical processing unit is located in the circuit area and electrically connected to the detection circuit; A wireless transmission unit located in the circuit area; A power supply unit, located in the circuit area, is used to supply power to the electrochemical processing unit and the wireless transmission unit; A protective layer completely covers the circuit area, the electrochemical processing unit, the wireless transmission unit and the power supply unit; and A power activation means for the user to selectively activate the power supply unit's ability to supply power to the electrochemical processing unit and the wireless transmission unit; Wherein, the electrochemical processing unit is used to send a control signal for performing detection to the detection circuit. After receiving the control signal, the detection circuit is used to perform an electrochemical reaction with the sample to be detected and send a signal to the electrochemical process. The processing unit feeds back a feedback signal, and the electrochemical processing unit is further used to convert the feedback signal into a detection parameter signal, and to send the detection parameter signal through the wireless transmission unit to a non-disposable self-sensing signal. The receiving element to which the specimen is mechanically connected. The disposable self-sensing signal test piece as described in claim 7, wherein the power supply unit is a capacitor.

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