CN220001765U

CN220001765U - Blood glucose probe and blood glucose detection device

Info

Publication number: CN220001765U
Application number: CN202320377076.0U
Authority: CN
Inventors: 黄稀荻; 林建毅; 周代运; 匡正
Original assignee: Moxian Technology Donguan Co Ltd
Current assignee: Moxian Technology Donguan Co Ltd
Priority date: 2023-03-01
Filing date: 2023-03-01
Publication date: 2023-11-14
Anticipated expiration: 2033-03-01

Abstract

The utility model relates to the technical field of blood glucose detection, and particularly discloses a blood glucose probe and blood glucose detection equipment. The blood glucose probe comprises a first conductive layer, a first insulating layer, a second conductive layer, a second insulating layer, a third conductive layer and an insulating protective layer which are sequentially stacked; the first conductive layer is provided with a first detection area and a first signal contact area; the second conductive layer is provided with a second detection area and a second signal contact area; the third conducting layer is provided with a third detection area and a third signal contact area; the blood glucose probe is provided with a detection part, a gripping part and an acquisition part; the first detection area, the second detection area and the third detection area are arranged on the detection part; the gripping part is connected with the detecting part for gripping and implanting or extracting the detecting part; the first signal contact area, the second signal contact area and the third signal contact area are arranged on the acquisition part, and the acquisition part is respectively connected with the detection part and the gripping part. The blood glucose probe has the advantages of smaller resistance, higher blood glucose monitoring sensitivity and convenient plugging.

Description

Blood glucose probe and blood glucose detection device

Technical Field

The utility model relates to the technical field of blood sugar detection, in particular to a blood sugar probe and blood sugar detection equipment.

Background

Diabetics often need to monitor blood glucose conditions to effectively reduce their dependence on insulin. Amperometric enzyme glucose sensors are commonly used for detection. The sensing probe is implanted in a user body to monitor the glucose concentration in tissue fluid and the surrounding blood flow, so that the monitoring is realized, but the method has the problem of low monitoring sensitivity. There are also problems of using dynamic glucometers for monitoring, but probes of dynamic glucometers have a large resistance and low monitoring sensitivity.

Disclosure of Invention

The embodiment of the utility model mainly aims to provide a blood glucose probe and blood glucose detection equipment, and aims to solve the problem that the existing blood glucose monitoring sensitivity is low.

In a first aspect, a blood glucose probe includes a first conductive layer, a first insulating layer, a second conductive layer, a second insulating layer, a third conductive layer, and an insulating protective layer that are sequentially stacked;

the first conductive layer is provided with a first detection area and a first signal contact area; the second conductive layer is provided with a second detection area and a second signal contact area; the third conducting layer is provided with a third detection area and a third signal contact area;

the blood glucose probe is provided with a detection part, a gripping part and an acquisition part;

the first detection area, the second detection area and the third detection area are arranged on the detection part;

the gripping part is connected with the detecting part for holding and implanting the detecting part into or extracting the subcutaneous tissue of the user;

the first signal contact area, the second signal contact area and the third signal contact area are arranged on the acquisition part, and the acquisition part is connected with the detection part.

In some embodiments, the detection portion includes an implant portion and a connection portion, the connection portion is connected with the collection portion, the grip portion, and the implant portion, respectively, the grip portion and the implant portion are disposed at opposite ends of the connection portion, and the collection portion is bendable with respect to the connection portion.

In some embodiments, the first insulating layer, the second conductive layer, the second insulating layer, the third conductive layer, and the insulating protective layer, which are sequentially stacked, are formed with a first hollowed-out portion so as to expose the first signal contact area;

the second insulating layer, the third conductive layer and the insulating protective layer which are sequentially stacked are provided with a second hollowed-out part so as to expose the second signal contact area;

the insulating protection layer is provided with a third hollowed-out part so as to expose the third signal contact area.

In some embodiments, a distance from a central axis of the first hollowed-out portion to the first insulating layer is smaller than a distance from the central axis of the first hollowed-out portion to the second conductive layer.

In some embodiments, a distance from a central axis of the second hollowed-out portion to the second insulating layer is smaller than a distance from the central axis of the second hollowed-out portion to the third conductive layer.

In some embodiments, the first conductive layer includes a substrate, and a first conductive film layer and a second conductive film layer respectively laminated on opposite surfaces of the substrate, and the first conductive film layer and the second conductive film layer are electrically connected to each other.

In some embodiments, the substrate is provided with a plurality of through holes, and the first conductive film layer extends into the plurality of through holes and is communicated with the second conductive film layer; and/or the number of the groups of groups,

the substrate is at least one selected from polyethylene terephthalate, polyethylene, polypropylene, polyimide, polystyrene and polyethylene naphthalate.

In some embodiments, a distance from an end of the second detection zone to the grip is no greater than a distance from an end of the first detection zone to the grip; the distance from the end of the third detection zone to the grip portion is smaller than the distance from the end of the second detection zone to the grip portion.

In some embodiments, at least one of the following features is further included:

the thickness of the blood sugar probe is between 0.1mm and 0.3 mm;

the width of the detection part is between 0.1mm and 0.3 mm.

Compared with the prior art, the blood glucose probe provided by the embodiment of the utility model comprises the first conductive layer, the first insulating layer, the second conductive layer, the second insulating layer, the third conductive layer and the insulating protective layer which are sequentially stacked, and the blood glucose probe is provided with the detection part, the gripping part and the acquisition part, wherein the first detection area, the second detection area and the third detection area are arranged on the detection part, and the first signal contact area, the second signal contact area and the third signal contact area are arranged on the acquisition part; and the design of the gripping part is also beneficial to the insertion and the extraction of the blood glucose probe.

In a second aspect, the present embodiment provides a blood glucose detection device. The technical scheme adopted by the method is as follows:

a blood glucose detection device comprising:

an instrument body and the blood glucose probe described above;

the instrument main body comprises a first wire, a second wire and a third wire, wherein the first wire is electrically connected with the first signal contact area, the second wire is electrically connected with the second signal contact area, and the third wire is electrically connected with the third signal contact area;

or,

the blood glucose detection device comprises a sensing component, a receiving terminal and the blood glucose probe, wherein the sensing component is provided with a first feeding point, a second feeding point and a third feeding point, the first feeding point is electrically connected with the first signal contact area, the second feeding point is electrically connected with the second signal contact area, the third feeding point is electrically connected with the third signal contact area, and the sensing component is used for collecting blood glucose signals and transmitting the blood glucose signals to the receiving terminal.

Compared with the prior art, the blood glucose detection device provided by the embodiment of the utility model comprises the blood glucose probe, so that the blood glucose detection device has smaller resistance and higher blood glucose monitoring sensitivity, and is convenient to plug and pull.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a blood glucose probe according to an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view taken along line A-B-O-B '-A' of FIG. 1;

FIG. 3 is an enlarged schematic view of M in FIG. 2;

FIG. 4 is a schematic diagram of an exploded structure of a blood glucose probe according to an embodiment of the present utility model;

FIG. 5 is a schematic side view of a blood glucose probe according to an embodiment of the present utility model;

fig. 6 is a schematic top view of a blood glucose detecting apparatus according to an embodiment of the present utility model;

FIG. 7 is a schematic diagram of the working state of the blood glucose detecting apparatus according to the embodiment of the present utility model;

fig. 8 is a schematic diagram of a blood glucose detecting apparatus according to another embodiment of the present utility model.

Reference numerals illustrate:

10. a blood glucose probe;

101. a detection unit; 1011. an implant; 1012. a connection part; 102. a grip portion; 103. an acquisition unit; 1031. a first hollowed-out part; 1032. a second hollow part; 1033. a third hollow part;

11. a first conductive layer; 111. a first detection zone; 112. a first signal contact region; 1101. a via hole;

12. a first insulating layer; 1201. a first through hole;

13. a second conductive layer; 131. a second detection zone; 132. a second signal contact region; 1301. a second through hole;

14. a second insulating layer; 1401. a third through hole; 1402. a sixth through hole;

15. a third conductive layer; 151. a third detection zone; 152. a third signal contact region; 1501. a fourth through hole; 1502. a seventh through hole;

16. an insulating protective layer; 1601. a fifth through hole; 1602. an eighth through hole; 1603. a ninth through hole;

20. a blood glucose detection device; 21. an instrument body; 211. a first wire; 212. a second wire; 213. a third wire;

22. a sensing member; 221. a first feed point; 222. a second feed point; 223. a third feed point; 23. a receiving terminal;

30. subcutaneous tissue.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It is to be understood that the terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

The blood glucose probe 10 and its components provided in the embodiments of the present utility model are shown in fig. 1 to 5.

Referring to fig. 1, 2, 3 and 7, the blood glucose probe 10 provided in this embodiment includes a first conductive layer 11, a first insulating layer 12, a second conductive layer 13, a second insulating layer 14, a third conductive layer 15 and an insulating protective layer 16, which are sequentially stacked, and the blood glucose probe 10 includes a detecting portion 101, a gripping portion 102 and an acquisition portion 103. Wherein the first detection region 111, the second detection region 131 and the third detection region 151 are provided to the detection section 101; the grasping portion 102 is connected to the probe portion 101 for grasping and implanting the probe portion 101 into or extracting the subcutaneous tissue 30 of the user; the acquisition part 103 is connected to the detection part 101, and the first signal contact area 112, the second signal contact area 132 and the third signal contact area 152 are provided on the acquisition part 103.

Referring to fig. 1 and 2, in some embodiments, the detecting portion 101 includes an implanting portion 1011 and a connecting portion 1012, the connecting portion 1012 is connected to the collecting portion 103, the holding portion 102 and the implanting portion 1011, respectively, the holding portion 102 and the implanting portion 1011 are disposed at opposite ends of the connecting portion 1012, and the collecting portion 103 can be bent with respect to the connecting portion 1012. In some embodiments, the probe portion 101, the grip portion 102, and the acquisition portion 103 are integrally formed.

Referring to fig. 1, 2, 4, 5 and 7, in some embodiments, the thickness (T) of the blood glucose probe 10 is between 0.1mm and 0.3mm, and the small thickness dimension is beneficial for the blood glucose probe 10 to be implanted into the subcutaneous tissue 30 of the user, so as to reduce the damage to the subcutaneous tissue 30 of the user caused by the implantation or extraction of the blood glucose probe 10. In some embodiments, the width (W) of the probe portion 101 is between 0.1mm and 0.3mm, i.e., the width (W) of the first probe region 111 is between 0.1mm and 0.3mm, the width (W) of the second probe region 131 is between 0.1mm and 0.3mm, and the width (W) of the third probe region 151 is between 0.1mm and 0.3mm, which may effectively reduce damage to subcutaneous tissue 30 of the user by the blood glucose probe 10.

Referring to fig. 1, 3 and 4, in some embodiments, a local first conductive layer 11, a local first insulating layer 12, a local second conductive layer 13, a local second insulating layer 14, a local third conductive layer 15 and a local insulating protective layer 16 form a detecting portion 101; the partial first conductive layer 11, the partial first insulating layer 12, the partial second conductive layer 13, the partial second insulating layer 14, the partial third conductive layer 15, and the partial insulating protective layer 16 constitute a grip portion 102, and the remaining portion constitutes a collection portion 103. One end of the first conductive layer 11 is a first detection region 111, one end of the second conductive layer 13 is a second detection region 131, and one end of the third conductive layer 15 is a third detection region 151. In some embodiments, the second conductive layer 13, the third conductive layer 15 are obtained by carbon paste screen printing; the first insulating layer 12, the second insulating layer 14, and the insulating protective layer 16 may be formed by silk-screen printing UV ink, which is silk-screen dried to form an insulating film layer. Through the laminated structure design, the first conductive layer 11, the second conductive layer 13 and the third conductive layer 15 are all laminated, so that the thickness of the probe is reduced, the conductive detection contact surface is effectively increased, the resistance is reduced, and the monitoring sensitivity is effectively improved.

In some embodiments, the first conductive layer 11 includes a substrate (not shown), a first conductive film layer (not shown), and a second conductive film layer (not shown), wherein the first conductive film layer and the second conductive film layer are respectively stacked on two opposite surfaces of the substrate, and the first conductive film layer and the second conductive film layer are conductive to each other. In some embodiments, the first conductive film layer and the second conductive film layer may be formed on opposite surfaces of the substrate by carbon paste screen printing, and the carbon paste is cast during the screen printing of the carbon paste so that the formed first conductive film layer and second conductive film layer are electrically conductive to each other.

Referring to fig. 4, in some embodiments, the substrate is provided with a plurality of vias 1101, and a portion of the first conductive film layer extends into the plurality of vias 1101 and is in communication with the second conductive film layer. In some embodiments, the substrate is selected from at least one of polyethylene terephthalate (PET), polyethylene (PE), polypropylene (PP), polyimide (PI), polystyrene (PS), polyethylene naphthalate (PEN).

Referring to fig. 3 and 4, in some embodiments, a first hollow 1031 is formed on the first insulating layer 12, the second conductive layer 13, the second insulating layer 14, the third conductive layer 15, and the insulating protection layer 16, which are sequentially stacked, so as to expose the first signal contact area 112. In some embodiments, the first insulating layer 12 is provided with a first through hole 1201, the second conductive layer 13 is provided with a second through hole 1301, the second insulating layer 14 is provided with a third through hole 1401, the third conductive layer 15 is provided with a fourth through hole 1501, the insulating protection layer 16 is provided with a fifth through hole 1601, and the first through hole 1201, the second through hole 1301, the third through hole 1401, the fourth through hole 1501 and the fifth through hole 1601 are enclosed to form a first hollowed-out portion 1031, so that a surface of the first conductive layer 11 covered by the first insulating layer 12 is partially exposed to form the first signal contact area 112, so that a signal detected by the first detection area 111 is conveniently transferred to the first signal contact area 112 via the first conductive layer 11 and effectively collected. In some embodiments, the distance from the central axis of the first hollowed-out portion 1031 to the first insulating layer 12 is smaller than the distance from the central axis of the first hollowed-out portion 1031 to the second conductive layer 13, that is, the diameter of the first through hole 1201 is smaller than the diameter of the second through hole 1301, so that the structure design can effectively avoid that the external wire is electrically contacted with the second conductive layer 13 and the third conductive layer 15 to be disturbed when the external wire is electrically connected with the first signal contact region 112, and even cannot effectively obtain the signal detected by the first detection region 111.

Referring to fig. 3 and 4, in some embodiments, a second hollow 1032 is formed on the second insulating layer 14, the third conductive layer 15 and the insulating protection layer 16 sequentially stacked, so as to expose the second signal contact area 132. In some embodiments, the second insulating layer 14 is provided with a sixth through hole 1402, the third conductive layer 15 is provided with a seventh through hole 1502, the insulating protective layer 16 is provided with an eighth through hole 1602, and the sixth through hole 1402, the seventh through hole 1502 and the eighth through hole 1602 are surrounded to form a second hollowed-out portion 1032, so that the surface of the second conductive layer 13 covered by the second insulating layer 14 is partially exposed to form the second signal contact area 132, and the signal detected by the second detection area 131 is conveniently transferred to the second signal contact area 132 via the second conductive layer 13 and collected. In some embodiments, the distance from the central axis of the second hollow portion 1032 to the second insulating layer 14 is smaller than the distance from the central axis of the second hollow portion 1032 to the third conductive layer 15, that is, the diameter of the sixth through hole 1402 is smaller than the diameter of the seventh through hole 1502, so that the structure design can effectively avoid the interference caused by the electrical contact between the external wire and the third conductive layer 15 when the external wire is electrically connected to the second signal contact area 132, and even can not effectively obtain the signal detected by the second detection area 131.

Referring to fig. 3 and 4, in some embodiments, the insulating protection layer 16 is formed with a third hollowed-out portion 1033 to expose the third signal contact area 152. In some embodiments, the insulating protection layer 16 is provided with a ninth through hole 1603, and the third hollowed-out portion 1033 is formed by surrounding the ninth through hole 1603, so that the surface of the third conductive layer 15 covered by the insulating protection layer 16 is partially exposed to form the third signal contact area 152, so that the signal detected by the third detection area 151 is conveniently transferred to the third signal contact area 152 via the third conductive layer 15 and collected.

Referring to fig. 1 and 5, in some embodiments, a distance (H2) from the end of the second detection region 131 to the grip 102 is not greater than a distance (H1) from the end of the first detection region 111 to the grip 102; the distance (H3) from the end of the third detection region 151 to the grip 102 is smaller than the distance (H2) from the end of the second detection region 131 to the grip 102. By adopting the structural design, the first detection area 111, the second detection area 131 and the third detection area 151 are free from interference during detection, and reliable information of blood sugar of a user can be obtained.

Referring to fig. 6, 7 and 1 to 5, based on the blood glucose probe 10, the present utility model further provides a blood glucose detecting apparatus 20.

Specifically, the blood glucose detecting apparatus 20 includes an instrument main body 21 and the blood glucose probe 10, the instrument main body 21 includes a first wire 211, a second wire 212, and a third wire 213, the first wire 211 is electrically connected to the first signal contact area 112; the second conductive line 212 is electrically connected to the second signal contact area 132; the third conductive line 213 is electrically connected to the third signal contact region 152.

Referring to fig. 8, in some embodiments, the blood glucose detection device 20 includes a sensing member 22, a receiving terminal 23, and a blood glucose probe 10, where the sensing member 22 is provided with a first feed point 221, a second feed point 222, and a third feed point 223. The first feeding point 221 is electrically connected to the first signal contact area 112, the second feeding point 222 is electrically connected to the second signal contact area 132, the third feeding point 223 is electrically connected to the third signal contact area 152, and the sensing component 22 is used for collecting a blood glucose signal and transmitting the blood glucose signal to the receiving terminal 23. In some embodiments, the sensing component 22 is fixed to the acquisition portion 103. In some embodiments, the receiving terminal 23 may be any one of a smart phone, a smart wearable device, a computer, and the like, and the sensing part 22 transmits the collected blood glucose data to the receiving terminal 23 through wireless communication and displays the blood glucose data on the receiving terminal 23.

When the blood glucose detection device 20 is used for blood glucose detection, the grasping portion 102 is grasped, the detection portion 101 is implanted into the subcutaneous tissue 30 of the user until the implantation portion 1011 is completely immersed into the subcutaneous tissue 30, and the collection portion 103 is bent such that the collection portion 103 is bent to an angle of 90 ° or nearly 90 ° with the grasping portion 102 (i.e., the collection portion 103 is parallel or nearly parallel to the surface of the subcutaneous tissue 30), thereby realizing real-time collection of blood glucose data of the user. After blood glucose collection is completed, the user can grasp the grip 102 and pull out the probe 101 from the subcutaneous tissue 30 of the user, thereby completing separation.

While the utility model has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. The blood glucose probe is characterized by comprising a first conductive layer, a first insulating layer, a second conductive layer, a second insulating layer, a third conductive layer and an insulating protective layer which are sequentially stacked;

2. The blood glucose probe of claim 1, wherein the probe comprises an implant portion and a connection portion, the connection portion is connected to the collection portion, the grip portion, and the implant portion, the grip portion and the implant portion are disposed at opposite ends of the connection portion, and the collection portion is bendable relative to the connection portion.

3. The blood glucose probe according to any one of claims 1 to 2, wherein the first insulating layer, the second conductive layer, the second insulating layer, the third conductive layer, and the insulating protective layer, which are sequentially stacked, are formed with a first hollowed-out portion so as to expose the first signal contact region;

4. The blood glucose probe of claim 3, wherein a distance from a central axis of the first hollowed-out portion to the first insulating layer is less than a distance from a central axis of the first hollowed-out portion to the second conductive layer.

5. A blood glucose probe according to claim 3, wherein the distance from the central axis of the second hollowed-out portion to the second insulating layer is smaller than the distance from the central axis of the second hollowed-out portion to the third conductive layer.

6. The blood glucose probe of claim 3, wherein the first conductive layer comprises a substrate and first and second conductive film layers respectively laminated on opposite surfaces of the substrate, and wherein the first and second conductive film layers are electrically conductive to each other.

7. The blood glucose probe of claim 3, wherein a distance from the end of the second detection zone to the grip is no greater than a distance from the end of the first detection zone to the grip; the distance from the end of the third detection zone to the grip portion is smaller than the distance from the end of the second detection zone to the grip portion.

8. The blood glucose probe of any one of claims 1 to 2, further comprising at least one of the following technical features:

the thickness of the blood sugar probe is between 0.1mm and 0.3 mm;

the width of the detection part is between 0.1mm and 0.3 mm.

9. A blood glucose testing device comprising an instrument body and the blood glucose probe of any one of claims 1 to 8;

or,

the blood glucose detection device comprises a sensing component, a receiving terminal and the blood glucose probe according to any one of claims 1 to 8, wherein the sensing component is provided with a first feeding point, a second feeding point and a third feeding point, the first feeding point is electrically connected with the first signal contact area, the second feeding point is electrically connected with the second signal contact area, the third feeding point is electrically connected with the third signal contact area, and the sensing component is used for collecting blood glucose signals and transmitting the blood glucose signals to the receiving terminal.