CN216167445U - Continuous blood glucose monitoring system - Google Patents
Continuous blood glucose monitoring system Download PDFInfo
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- CN216167445U CN216167445U CN202122345942.1U CN202122345942U CN216167445U CN 216167445 U CN216167445 U CN 216167445U CN 202122345942 U CN202122345942 U CN 202122345942U CN 216167445 U CN216167445 U CN 216167445U
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- transmitter
- electrode
- monitoring system
- blood glucose
- signal output
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- 210000004369 blood Anatomy 0.000 title claims abstract description 38
- 239000008280 blood Substances 0.000 title claims abstract description 38
- 238000012544 monitoring process Methods 0.000 title claims abstract description 26
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 title claims description 25
- 239000008103 glucose Substances 0.000 title claims description 25
- 238000007789 sealing Methods 0.000 claims description 21
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- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
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- 239000000853 adhesive Substances 0.000 description 3
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- 238000010276 construction Methods 0.000 description 2
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- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 210000004304 subcutaneous tissue Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010241 blood sampling Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 238000002513 implantation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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- 230000002035 prolonged effect Effects 0.000 description 1
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- 238000007920 subcutaneous administration Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a continuous blood sugar monitoring system, which comprises a transmitter and an electrode assembly in signal connection with the transmitter; the transmitter comprises a transmitter shell and a circuit board packaged in the transmitter shell, wherein a signal receiving part is formed on the lower surface of the circuit board, and an access port corresponding to the signal receiving part is formed on the lower surface of the transmitter shell; the electrode assembly includes a sensor electrode and a signal output in signal connection with the sensor electrode, the signal output configured to be electrically connected with the signal receiving portion when the transmitter is in signal connection with the electrode assembly. The utility model can ensure that the emitter and the sensor electrode establish stable and effective signal connection and improve the reliability of the emitter and the sensor electrode.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a continuous blood sugar monitoring system.
Background
Some physiological diseases, which have long disease course and prolonged disease duration, need to monitor some physiological parameters of the host in real time to better track the treatment. Such as diabetes, require real-time monitoring of the host blood glucose. Accurate blood sugar self-monitoring is a key for realizing good blood sugar control, is beneficial to evaluating the degree of glucose metabolism disorder of a diabetic patient, formulating a blood sugar reduction scheme, and simultaneously reflecting the blood sugar reduction treatment effect and guiding the adjustment of the treatment scheme.
Currently, most commercially available instruments refer to blood glucose meters, and patients need to collect finger peripheral blood by themselves to measure the blood glucose level at that moment. However, this method has the following drawbacks: firstly, the change of the blood sugar level between two measurements cannot be known, and the peak value and the valley value of the blood sugar can be missed by a patient, so that complications are caused, and irreversible damage is caused to the patient; secondly, the finger tip puncture blood sampling is carried out for a plurality of times every day, which causes great pain for the diabetic. In order to overcome the above-mentioned drawbacks, it is necessary to provide a method for continuously monitoring blood sugar of a patient, so that the patient can conveniently know the blood sugar status of the patient in real time, and take measures in time to effectively control the state of an illness and prevent complications, thereby achieving a high quality of life.
Aiming at the requirements, technical personnel develop a monitoring technology which can be implanted into subcutaneous tissues to continuously monitor subcutaneous blood sugar, the technology is characterized in that a sensor electrode is inserted into the subcutaneous tissues, the sensor electrode generates oxidation reaction between interstitial fluid of a patient and glucose in a body, an electric signal is formed during the reaction, the electric signal is converted into blood sugar reading through a transmitter, the blood sugar reading is transmitted to a wireless receiver every 1-5 minutes, corresponding blood sugar data are displayed on the wireless receiver, and a map is formed for the patient and a doctor to refer.
The transmitter of the existing continuous blood glucose monitoring system encapsulates the circuit board in a substantially seamless transmitter housing through a molding process, and exposes a signal receiving terminal integrated on the circuit board to the outside of the transmitter housing to receive a signal of the sensor electrode. Because the end face of the existing signal receiving terminal is basically flush with the shell of the transmitter, the signal receiving terminal is easy to be in virtual contact with the electrode of the sensor, and the performance of the signal receiving terminal is affected.
Disclosure of Invention
The utility model aims to provide a continuous blood glucose monitoring system which can ensure that a transmitter and a sensor electrode establish stable and effective signal connection and improve the reliability of the transmitter and the sensor electrode.
In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows: a continuous blood glucose monitoring system comprising a transmitter and an electrode assembly in signal connection with the transmitter;
the transmitter comprises a transmitter shell and a circuit board packaged in the transmitter shell, wherein a signal receiving part is formed on the lower surface of the circuit board, and an access port corresponding to the signal receiving part is formed on the lower surface of the transmitter shell;
the electrode assembly includes a sensor electrode and a signal output in signal connection with the sensor electrode, the signal output configured to be electrically connected with the signal receiving portion when the transmitter is in signal connection with the electrode assembly.
In the above-described aspect, the signal receiving section is defined inside the transmitter housing.
In the above technical solution, the signal receiving portion includes two signal receiving terminals.
In the above technical solution, the signal receiving part protrudes from the lower surface of the circuit board.
In the above technical solution, the electrode assembly includes a sensor electrode and an electrode holder attached to the sensor electrode;
the signal output unit is disposed on the electrode holder.
In the above technical solution, the electrode holder includes an upper shell and a lower shell;
a first flexible conductive sheet and a second flexible conductive sheet are arranged between the upper shell and the lower shell, and the signal output part comprises a first signal output terminal and a second signal output terminal which are arranged on the upper shell;
one end of the first flexible conducting strip is electrically connected to a first electrode of the sensor electrode, and the other end of the first flexible conducting strip is electrically connected to a first signal output terminal;
one end of the second flexible conducting strip is electrically connected to the second electrode of the sensor electrode, and the other end of the second flexible conducting strip is electrically connected to the second signal output terminal.
In the above technical scheme, the first flexible conductive sheet and the second flexible conductive sheet are both made of conductive foam.
In the above technical scheme, the sensor electrode is arranged in the first flexible conducting strip and the second flexible conducting strip in a penetrating manner.
In the above technical solution, a boss corresponding to the inlet is formed on the upper surface of the upper housing, the signal output portion extends out of the electrode holder through the boss, a first sealing ring is disposed on the side surface of the boss, and the first sealing ring is configured to form a seal between the side surface of the boss and the side surface of the inlet.
In the above technical solution, a second sealing ring is configured on the upper surface of the upper shell, the signal output portion extends upward to the outside of the electrode holder through the upper shell and is defined in the second sealing ring, and the second sealing ring is configured to form a seal between the upper surface of the upper shell and the lower surface of the transmitter housing.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
1. according to the utility model, the access port is formed on the lower surface of the transmitter shell, so that the signal output part of the electrode assembly can be embedded into the transmitter shell through the access port to establish stable and effective electrical connection with the signal receiving part on the circuit board, and the reliability of signal communication between the transmitter and the sensor electrode is ensured;
2. according to the utility model, the sealing ring is arranged, so that water vapor can be effectively prevented from entering the shell of the emitter from the access port, and the reliability of the emitter is further ensured.
Drawings
FIG. 1 is a schematic diagram of a continuous blood glucose monitoring system of the present invention.
Fig. 2 is a schematic view of the installation of the transmitter of the present invention.
Fig. 3 is a cross-sectional view of an emitter of the present invention.
Fig. 4 is a schematic view of the connection of an electrode assembly of the present invention to an emitter.
Fig. 5 is a schematic view of another electrode assembly of the present invention connected to an emitter.
Wherein: 100. a host; 200. a sensor; 210. a sensor electrode; 220. a sensor base; 230. an adhesive patch; 240. a release layer; 250. an electrode holder; 251. an upper housing; 252. a lower housing; 253. a first flexible conductive sheet; 254. a second flexible conductive sheet; 255. a signal output section; 256. a boss; 257. a first seal ring; 258. a second seal ring; 300. a receiver; 400. a transmitter; 410. a transmitter housing; 420. a circuit board; 430. a signal receiving unit; 440. an access port; 500. an implanter.
Detailed Description
The following description and examples detail certain exemplary embodiments of the disclosed invention. Those skilled in the art will recognize that there are numerous variations and modifications of the present invention encompassed by its scope. Accordingly, the description of a certain exemplary embodiment should not be taken as limiting the scope of the utility model.
Continuous blood glucose monitoring system
Referring to fig. 1 and 2, a schematic view of a continuous blood glucose monitoring system attached to a host 100 is shown. A continuous blood glucose monitoring system including an on-skin sensor 200 is shown secured to the skin of a host 100 by a disposable sensor mount (not shown). The system comprises a sensor 200 and a transmitter 400 for transmitting blood glucose information monitored by the sensor 200 to a receiver 300, which receiver 300 may typically be a smart phone, a smart watch, a dedicated device and the like. In use, the sensor electrode 210 is partially positioned under the skin of the host 100, and the sensor electrode 210 is electrically connected to the transmitter 400. The emitter 400 is engaged with the sensor mount 220, and the sensor mount 220 is attached to the adhesive patch 230 and secured to the skin of the host 100 by the adhesive patch 230.
Emitter
The present invention focuses on the structure of the transmitter 400 and the electrode assembly with which the signal connection is established. Referring to fig. 3, the present invention provides a continuous blood glucose monitoring system, which includes a transmitter 400 and an electrode assembly in signal connection with the transmitter, it should be understood that the signal connection is a connection capable of signal transmission, such as the electrode assembly sending the signal of the sensor electrode 210 to the transmitter 400 through the signal connection;
the transmitter 400 comprises a transmitter housing 410 and a circuit board 420 enclosed in the transmitter housing 410, wherein a signal receiving part 430 is formed on the lower surface of the circuit board 420, and an access port 440 corresponding to the signal receiving part 430 is formed on the lower surface of the transmitter housing 410;
the electrode assembly includes a sensor electrode 210 and a signal output part 255 in signal connection with the sensor electrode 210, the signal output part 255 being configured to be electrically connected with the signal receiving part 430 when the transmitter 400 is in signal connection with the electrode assembly.
In one embodiment, the signal receiving part 430 is defined inside the transmitter housing 410, the signal receiving part 430 includes two signal receiving terminals, and the signal receiving part 430 protrudes from the lower surface of the circuit board 420. It should be understood that the signal receiving part 430 in the present embodiment is defined inside the transmitter housing 410, meaning that the lower end portions of the two signal receiving terminals of the signal receiving part 430 do not protrude outside the transmitter housing 410 through the access port 440.
In one embodiment, the electrode assembly includes a sensor electrode 210 and an electrode holder 250 attached to the sensor electrode 210; the signal output unit 255 is disposed on the electrode holder 250. Specifically, the electrode holder 250 includes an upper housing 251 and a lower housing 252, and the upper housing 251 and the lower housing 252 are detachable and assembled together by means of, for example, a snap; a first flexible conductive sheet 253 and a second flexible conductive sheet 254 are arranged between the upper shell 251 and the lower shell 252, and the signal output part 255 comprises a first signal output terminal and a second signal output terminal arranged on the upper shell; specifically, one end of the first flexible conductive sheet 253 is electrically connected to the first electrode of the sensor electrode 210, and the other end is electrically connected to the first signal output terminal; one end of the second flexible conductive sheet 254 is electrically connected to the second electrode of the sensor electrode 210, and the other end is electrically connected to the second signal output terminal; in this embodiment, the first electrode is defined as the working electrode of the sensor electrode 210 and the second electrode is defined as the reference electrode of the sensor electrode 210.
In one embodiment, the first flexible conductive sheet 253 and the second flexible conductive sheet 254 are both made of conductive foam. In one embodiment, the sensor electrode 210 is inserted into the first flexible conductive sheet and the second flexible conductive sheet, so that the working electrode of the sensor electrode 210 is wrapped by the first flexible conductive sheet 253, and the reference electrode is wrapped by the second flexible conductive sheet 254, thereby achieving better electrical contact and improving the stability of electrical connection.
Referring to fig. 4, in one embodiment, a boss 256 corresponding to the inlet 440 is formed on the upper surface of the upper housing 251, the signal output part 255 protrudes upward to the outside of the electrode holder 250 through the boss 256, a first sealing ring 257 is disposed on the side surface of the boss 256, and the first sealing ring 257 is configured to form a seal between the side surface of the boss 256 and the side surface of the inlet 440. Specifically, when the signal connection between the emitter 400 and the electrode assembly is established, the boss 256 is inserted into the inlet 440, such that the signal output part 255 abuts against the signal receiving part 430 to form an electrical connection, and at this time, the first sealing ring 257 is located between the side surface of the boss 256 and the side surface of the inlet 440 to prevent moisture from entering the interior of the emitter housing 410 from the inlet 440.
Referring to fig. 5, in another embodiment, a second sealing ring 258 is disposed on the upper surface of the upper housing 251, the signal output part 255 extends out of the electrode holder 250 through the upper housing 251 and is defined in the second sealing ring 258, and the second sealing ring 258 is configured to form a seal between the upper surface of the upper housing 251 and the lower surface of the emitter casing 410. Specifically, when the transmitter 400 is in signal connection with the electrode assembly, the signal output portion 255 extends into the transmitter housing 410 through the access port 440 and abuts against the signal receiving portion 430 to form an electrical connection, and at this time, the second sealing ring 257 is located between the upper surface of the upper housing 251 and the lower surface of the transmitter housing 410 to prevent moisture from entering the interior of the transmitter housing 410 from the access port 440.
Above-mentioned two kinds of embodiments can prevent effectively that steam from entering into the inside of transmitter shell 410 from accessing mouth 440 through setting up the sealing washer, further guarantees the reliability of transmitter 400.
In one embodiment, the signal output part 255 is made of conductive rubber.
The foregoing description, in such full, clear, concise and exact terms, provides the best mode contemplated of carrying out the present invention, and the manner and process of making and using it, to enable any person skilled in the art to which it pertains, to make and use the same. The utility model is, however, susceptible to modifications and alternative constructions from that described above which are fully equivalent. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed. Rather, the utility model is to cover all modifications and alternative constructions falling within the spirit and scope of the utility model as generally expressed by the following claims, which particularly point out and distinctly define the subject matter of the utility model. While the utility model has been illustrated and described in detail in the drawings and foregoing description, such illustration and description are to be considered illustrative and not restrictive.
Unless otherwise defined, all terms (including technical and scientific terms) are to be given their ordinary and customary meaning to those skilled in the art, and are not to be taken as limiting to a specific or special meaning unless expressly defined herein. It should be noted that the use of particular terminology when describing certain features or aspects of the disclosure should not be taken to imply that the terminology is being redefined herein to be restricted to including any specific characteristics or aspects of the disclosure with which that terminology is associated. The terms and phrases used in this application, and variations thereof, particularly in the appended claims, should be construed to be open ended and not limiting unless otherwise expressly stated. As an example of the foregoing, the term "including" shall mean "including but not limited to" or the like.
Furthermore, although the foregoing has been described in some detail by way of illustration and example for purposes of clarity and understanding, it will be apparent to those of ordinary skill in the art that certain changes and modifications may be practiced. Therefore, the description and examples should not be construed as limiting the scope of the utility model to the particular embodiments and examples described herein, but rather as covering all modifications and alternatives falling within the true scope and spirit of the utility model.
Claims (10)
1. A continuous blood glucose monitoring system, comprising: comprises a transmitter and an electrode component in signal connection with the transmitter;
the transmitter comprises a transmitter shell and a circuit board packaged in the transmitter shell, wherein a signal receiving part is formed on the lower surface of the circuit board, and an access port corresponding to the signal receiving part is formed on the lower surface of the transmitter shell;
the electrode assembly includes a sensor electrode and a signal output in signal connection with the sensor electrode, the signal output configured to be electrically connected with the signal receiving portion when the transmitter is in signal connection with the electrode assembly.
2. The continuous blood glucose monitoring system of claim 1, wherein: the signal receiving portion is defined inside the transmitter housing.
3. The continuous blood glucose monitoring system of claim 1, wherein: the signal receiving section includes two signal receiving terminals.
4. The continuous blood glucose monitoring system of claim 1, wherein: the signal receiving part is protruded out of the lower surface of the circuit board.
5. The continuous blood glucose monitoring system of claim 1, wherein: the electrode assembly includes a sensor electrode and an electrode holder attached to the sensor electrode;
the signal output unit is disposed on the electrode holder.
6. The continuous blood glucose monitoring system of claim 5, wherein: the electrode holder comprises an upper shell and a lower shell;
a first flexible conductive sheet and a second flexible conductive sheet are arranged between the upper shell and the lower shell, and the signal output part comprises a first signal output terminal and a second signal output terminal which are arranged on the upper shell;
one end of the first flexible conducting strip is electrically connected to a first electrode of the sensor electrode, and the other end of the first flexible conducting strip is electrically connected to a first signal output terminal;
one end of the second flexible conducting strip is electrically connected to the second electrode of the sensor electrode, and the other end of the second flexible conducting strip is electrically connected to the second signal output terminal.
7. The continuous blood glucose monitoring system of claim 6, wherein: and the first flexible conducting strip and the second flexible conducting strip are made of conducting foam.
8. The continuous blood glucose monitoring system of claim 6, wherein: the sensor electrodes are arranged in the first flexible conducting strip and the second flexible conducting strip in a penetrating mode.
9. The continuous blood glucose monitoring system of claim 6, wherein: the upper surface of the upper shell is provided with a boss corresponding to the access port, the signal output part upwards extends out of the electrode holder through the boss, the side surface of the boss is provided with a first sealing ring, and the first sealing ring is configured to form sealing between the side surface of the boss and the side surface of the access port.
10. The continuous blood glucose monitoring system of claim 6, wherein: and a second sealing ring is arranged on the upper surface of the upper shell, the signal output part extends upwards to the outside of the electrode seat through the upper shell and is limited in the second sealing ring, and the second sealing ring is configured to form sealing between the upper surface of the upper shell and the lower surface of the transmitter shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122345942.1U CN216167445U (en) | 2021-09-27 | 2021-09-27 | Continuous blood glucose monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122345942.1U CN216167445U (en) | 2021-09-27 | 2021-09-27 | Continuous blood glucose monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216167445U true CN216167445U (en) | 2022-04-05 |
Family
ID=80925225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122345942.1U Active CN216167445U (en) | 2021-09-27 | 2021-09-27 | Continuous blood glucose monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216167445U (en) |
-
2021
- 2021-09-27 CN CN202122345942.1U patent/CN216167445U/en active Active
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