CN219166415U - In-vivo blood sugar monitoring device - Google Patents

Abstract

The utility model discloses an in-vivo blood sugar monitoring device, which comprises a base, a sensor and a sensor electronic unit, wherein the base is provided with a mounting position for mounting the sensor electronic unit and a via hole area provided with a via hole, and the bottom surface of the mounting position and the bottom surface of the via hole area are positioned on the same plane; the sensor is provided with a free end and a fixed end provided with a plurality of electric contacts, the fixed end is electrically connected with the sensor electronic unit, and the free end extends downwards after passing through the through hole; the transverse distance between the free end and the sensor electronic unit is increased, and during sterilization, radiation sterilization is performed on the free end of the sensor at the via hole. On the other hand, the puncture assembly does not pass through the sensor electronic unit, so that a hole is not required to be formed in the sensor electronic unit.

Description

In-vivo blood sugar monitoring device

Technical Field

The utility model belongs to the technical field of medical equipment, and particularly relates to an in-vivo blood sugar monitoring device.

Background

A biosensor is an instrument that is sensitive to bioactive substances and converts the perceived concentration of bioactive substances into an electrical signal for detection. Among them, glucose sensors are a more common type of biological sensor. CGM (continuous blood glucose monitoring) is a technical means for continuously monitoring the glucose concentration of interstitial fluid in subcutaneous tissue by means of a glucose sensor, thereby indirectly reflecting the blood glucose level. The CGM product needs a puncture needle and a sensor pin to puncture human skin, generates electrochemical reaction with subcutaneous tissue liquid through biological enzyme on the sensor, converts the electrochemical reaction into an electric signal, and provides the electric signal for a user through converting the electric signal into a blood sugar value. Because the product has a part for puncturing the skin of a human body, the product needs to be sterilized before leaving the factory, and the infection risk of a user caused by pathogenic bacteria on the product is avoided.

The monitoring assembly generally comprises a sensor and an electronic unit (emitter), wherein different sterilization modes are usually needed for the sensor, and for the emitter part, a gas sterilization mode is generally adopted, for example, ethylene oxide gas sterilization is utilized, and as biological enzymes on the sensor can chemically react with gases such as ethylene oxide and the like to influence the activity of the biological enzymes, the monitoring accuracy is further influenced, the sensor cannot be subjected to sterilization treatment in a gas sterilization mode, and radiation sterilization is further selected. At the same time, radiation sterilization can easily affect the circuitry of the transmitter.

In the prior art, as the sensor and the emitter are integrated in the smaller space of the monitoring device, the sensor and the emitter are relatively close to each other, and the projection overlapping area exists, the radiation and the gas are difficult to be effectively isolated, and the biological enzyme on the sensor and the circuit of the emitter are damaged to different degrees. In addition, the emitter has a larger volume, so that in order to reduce the whole volume of the monitoring device, a part of the area of the emitter is generally overlapped with the sensor, and the puncture needle is required to pass through the emitter, so that the contact pin of the sensor can be accommodated in the puncture needle, that is, a hole for the puncture needle to pass through is required to be formed in the emitter, so that the structural complexity of the emitter is increased, the processing and assembling difficulties are increased, the sealing cost is increased, and the shielding difficulty of the emitter is increased when radiation sterilization and gas sterilization are carried out.

Disclosure of Invention

The utility model provides an in-vivo blood glucose monitoring device which aims to solve at least one of the technical problems.

The technical scheme adopted by the utility model is as follows:

the in-vivo blood glucose monitoring device comprises a base, a sensor and a sensor electronic unit, wherein the base is provided with a mounting position for mounting the sensor electronic unit and a via hole area provided with a via hole, and the bottom surface of the mounting position and the bottom surface of the via hole area are positioned on the same plane; the sensor is provided with a free end and a fixed end provided with a plurality of electric contacts, wherein the fixed end is electrically connected with the sensor electronic unit, and the free end extends downwards after passing through the through hole.

The base is also provided with an isolation part for isolating the mounting position and the via hole area, a connecting part is arranged between the free end and the fixed end of the sensor, and the connecting part extends from the via hole area to enter the mounting position after passing through the isolation part.

The monitoring device further comprises a first upper cover for covering the via hole area, the first upper cover, the base and the isolation part are matched to form a first cavity, and auxiliary needle holes are formed in positions, corresponding to the via holes, of the first upper cover.

The first upper cover is provided with a sealing element installation position surrounding the auxiliary needle hole.

The first elastic sealing element is arranged in the matching area of the first upper cover, the base and the isolation part.

The monitoring device further comprises a mounting seat for clamping the sensor, the mounting seat comprises a base and a pressing part, the base is provided with a bearing position and a matching position, the fixed end is arranged on the bearing position, the pressing part is arranged above the matching position and surrounds a mounting channel with the matching position, and the connecting part is arranged in the mounting channel.

A positioning part for clamping the fixed end is arranged in the mounting position.

The constant head tank has been seted up to the inside wall of base, and the tip block of stiff end is in the constant head tank.

An inner sealing rib and an outer sealing rib surrounding the through hole are arranged in the through hole area, a sealing channel is formed between the inner sealing rib and the outer sealing rib, and the connecting part sequentially passes through the sealing channel and the isolation part and then enters the installation position.

The sensor electronics unit includes a second upper cover that cooperates with the base and the partition to form a second chamber.

The second elastic sealing element is arranged in the matching area of the second upper cover, the base and the isolation part.

The sensor electronic unit is detachably connected with the base and is provided with a contact interface matched with the electric contact.

The monitoring device below is provided with the piece of applying, and the area of dodging has been seted up to the piece of applying, dodges the district and eccentric the setting of monitoring device, and dodges the district and be the arc breach.

The sensor electronic unit comprises a sensor signal processing module and a remote signal receiving and transmitting module.

The power module is arranged in the installation position.

By adopting the technical scheme, the utility model has the following beneficial effects:

1. in the monitoring device, the mounting position for mounting the sensor electronic unit is arranged in a staggered manner with the through hole, the free end of the sensor penetrates out of the through hole, and the free end is provided with biological enzyme and is used for being implanted under the skin of a patient. The transverse distance between the free end and the sensor electronic unit is increased, and during sterilization, radiation sterilization is performed on the free end of the sensor at the via hole. On the other hand, after the sensor electronic unit is mounted to the mounting position, shielding can not be formed on the through hole, that is, the puncture assembly can directly penetrate out of the through hole, the free end of the sensor is accommodated in the puncture assembly and cannot penetrate through the sensor electronic unit, so that holes are not required to be formed in the sensor electronic unit, the structure of the sensor electronic unit is simplified, the processing difficulty is reduced, the sealing cost of the sensor electronic unit is reduced, and the risk of radiation or gas leakage during radiation and gas sterilization is reduced.

2. As a preferred embodiment of the present utility model, the base further has a via area, and an isolation portion for isolating the mounting location from the via area, the via being located in the via area, a connection portion being provided between the free end and the fixed end of the sensor, the connection portion extending from the via area through the isolation portion and into the mounting location. The isolation portion isolates the via hole area from the mounting position, so that when sterilization is performed, sterilization can be performed on two areas of the monitoring device in different modes respectively, and the two areas cannot be mutually influenced, for example, radiation sterilization is performed on the via hole area, the free end of the sensor is sterilized, the activity of biological enzymes on the free end is ensured, and the isolation portion is arranged so that radiation cannot enter the mounting position. When the sensor electronic unit in the installation position is subjected to gas sterilization, the gas cannot enter the via hole area due to the existence of the isolation part, so that the gas can be prevented from contacting with the free end of the sensor, and the biological enzyme is prevented from being influenced.

3. As a preferred embodiment of the present utility model, the monitoring device further includes a mounting seat for holding the sensor, the mounting seat includes a base and a pressing portion, the base has a supporting position and a mating position, the fixing end is disposed on the supporting position, the pressing portion is disposed above the mating position and encloses a mounting channel with the mating position, and the connecting portion is disposed in the mounting channel. The partial area of the installation channel is matched with the shape of the sensor and used for fixing and limiting the sensor, the base and the pressing part are respectively positioned on the upper side and the lower side of the sensor to clamp the sensor, the stability of the sensor is ensured, and the detection of the free end and the contact sensitivity of the fixed end and the sensor electronic unit are ensured.

4. As a preferred embodiment of the utility model, the inner sealing rib and the outer sealing rib which surround the through hole are arranged in the through hole area, a sealing channel is formed between the inner sealing rib and the outer sealing rib, and the connecting part sequentially passes through the sealing channel and the isolation part and then enters the installation position. The inner sealing ribs and the outer sealing ribs encircle the periphery of the through hole, so that a double sealing effect is achieved, and the contact between the gas and the free end of the sensor through the through hole is further prevented when the sensor electronic unit is subjected to gas sterilization.

5. As a preferred embodiment of the utility model, an application sheet is arranged below the monitoring device, an avoidance area is formed on the application sheet, the avoidance area and the detection device are eccentrically arranged, and the avoidance area is an arc notch. In use, the monitor further comprises a housing, a part of the area of the housing and the bottom surface of the monitoring device are propped against to form a closed cavity, so that the sensor and the needle body of the puncture assembly are accommodated in the closed cavity, no colloid exists in the avoidance area, the area is not sticky, and when the housing is propped against, the application piece cannot be wrinkled. Meanwhile, when the cover shell is detached, the cover shell needs to move relatively to the monitoring device, and the avoiding area also leaves a avoiding space for the movement of the cover shell, so that the cover shell is prevented from rubbing with the patch in the movement process, the flatness and the viscosity of the patch are affected, and the pasting effect is reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic diagram of a monitoring device according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a monitoring device according to another embodiment of the present utility model;

FIG. 3 is a schematic diagram illustrating an internal structure of a monitoring device according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram illustrating an internal structure of a monitoring device according to another embodiment of the present utility model;

FIG. 5 is a schematic diagram of a sensor according to an embodiment of the present utility model;

FIG. 6 is a schematic diagram of a sensor according to another embodiment of the present utility model;

FIG. 7 is a schematic view of the mounting base of FIG. 4;

FIG. 8 is a schematic view of the bottom wall structure of the monitoring device according to an embodiment of the present utility model;

FIG. 9 is a cross-sectional view of a partial area of a monitor in accordance with one embodiment of the present utility model;

fig. 10 is a schematic view of a sterilization assembly according to an embodiment of the present utility model;

Fig. 11 is a schematic view of a sterilization assembly according to another embodiment of the present utility model;

FIG. 12 is a schematic view of the structure of the housing according to an embodiment of the present utility model;

FIG. 13 is a schematic view of a housing in accordance with another embodiment of the utility model;

FIG. 14 is a schematic view illustrating a structure of a connection base according to an embodiment of the present utility model;

FIG. 15 is a schematic view illustrating a structure of a connection base according to another embodiment of the present utility model;

FIG. 16 is a schematic view of a limiting structure according to an embodiment of the present utility model;

FIG. 17 is a schematic view of a limiting structure according to another embodiment of the present utility model;

FIG. 18 is a schematic view of the puncture assembly according to an embodiment of the present utility model;

FIG. 19 is a schematic view of a puncture assembly according to another embodiment of the present utility model;

FIG. 20 is a schematic view showing the internal structure of a monitor according to an embodiment of the present utility model;

FIG. 21 is a schematic diagram of the monitor of FIG. 20;

FIG. 22 is a schematic diagram of a monitor according to another embodiment of the present utility model;

FIG. 23 is a schematic view of the internal structure of the monitor of FIG. 22, wherein the housing is not shown;

fig. 24 is a cross-sectional view of the monitor of fig. 22.

Wherein:

1, a monitoring device; a base 11; 111 isolation parts; a 12 sensor; 121 free end; 122 fixed end; 1221 electrical contacts; 123 extension; 124 via areas; 13 a sensor electronics unit; 131 mounting locations; 132 positioning grooves; 14 via holes; 141 inner sealing ribs; 142 outer sealing ribs; 15 a first upper cover; 151 auxiliary pinholes; 151 seal mounting locations; 16 a second upper cover; 17 a mating groove; 18 mounting seats; 181 base; 1811 supporting the position; 1812 mating positions; 182 a compression section; 183 mounting channel; 19, sticking a patch; 191 an avoidance zone;

2, a housing; 21 an inner housing; 211 mounting slots; 212 support columns; 213 fixing grooves; 2131 guide segments; 2132 locking segments; 22 an outer housing; 23 closing the chamber; a 24 outer cover;

3, a puncture assembly; 31 needle body; 32 needle stand; 321 clamping grooves; 322 limit grooves; 33 a first seal portion;

4, a limiting structure; 41 limit holes; 411 raised structures; 42 a toggle lever; 43 guiding chute; 44 check ribs; 45 limiting pieces;

5 connecting seats; 51 guide slide; 52 check protrusions; 53 compacting pieces; 54 fixing projections; 55 elastic rib positions; 551 fixing the convex ribs; 56 through holes; 57 hook parts; 58 mounting ports;

6, a shell; 61 a trigger structure;

and 7, a needle assisting assembly.

Detailed Description

In order to more clearly illustrate the general inventive concept, a detailed description is given below by way of example with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below.

In addition, in the description of the present utility model, it should be understood that the terms "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, the descriptions of the terms "implementation," "embodiment," "one embodiment," "example," or "particular example" and the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

As shown in fig. 1 to 24, an in-vivo blood glucose monitoring device 1 comprises a base 11, a sensor 12 and a sensor electronic unit 13, wherein the base 11 is provided with a mounting position 131 for mounting the sensor electronic unit 13 and a via area 124 provided with a via 14, and the bottom surface of the mounting position 131 and the bottom surface of the via area 124 are in the same plane; the sensor 12 has a free end 121 and a fixed end 122 provided with a plurality of electrical contacts 1221, the fixed end 122 being electrically connected to the sensor electronics 13, the free end 121 extending downwardly through the via 14.

Preferably, the bottom surfaces of the via area 124 and the mounting site 131 are both the bottom surfaces of the base 11.

It will be appreciated that the sensor electronics 13 of the present utility model is a transmitter that includes a housing and a circuit structure within the housing. Preferably, the sensor electronics unit 13 comprises a sensor signal processing module, a remote signal transceiver module. Meanwhile, the monitoring device 1 further includes a power module disposed in the mounting location 131 to provide an operating power for the sensor electronic unit 13.

When the monitoring device 1 is shipped, the sensor 12 and the sensor electronic unit 13 are fixed on the base 11, the electric contact 1221 of the fixed end 122 of the sensor 12 is electrically communicated with the sensor electronic unit 13, the free end 121 is provided with biological enzyme, after the implantation is triggered by a user, the monitoring device 1 is fixed on the skin surface of a patient, the free end 121 of the sensor 12 is positioned under the skin of the patient, the blood sugar of the patient is monitored in real time, and then signals are transmitted to the sensor electronic unit 13 in real time, and the sensor electronic unit 13 performs data processing.

In the monitoring device 1 of the utility model, the mounting position 131 for mounting the sensor electronic unit 13 is arranged in a dislocation manner with the through hole 14, the free end 121 of the sensor 12 penetrates out of the through hole 14, and the free end 121 is provided with biological enzyme and is used for being implanted under the skin of a patient. The lateral distance between the free end 121 and the sensor electronics unit 13 is increased, and during sterilization, radiation sterilization is performed on the free end 121 at the via hole 14, and due to the dislocation of the sensor electronics unit 13, the radiation transmission path is increased, and the probability that the sensor electronics unit 13 is affected by radiation is reduced.

On the other hand, after the sensor electronic unit 13 is mounted on the mounting position 131, shielding can not be formed on the through hole 14, that is, the puncture assembly 3 can directly penetrate out of the through hole 14, and the free end 121 of the sensor 12 is accommodated in the puncture assembly 3 and cannot penetrate through the sensor electronic unit 13, so that holes are not required to be formed in the sensor electronic unit 13, the structure of the sensor electronic unit 13 is simplified, the processing difficulty is reduced, the sealing cost of the sensor electronic unit 13 is reduced, and the risk of radiation or gas leakage during radiation and gas sterilization is reduced.

The assembly of the sensor 12, the sensor electronic unit 13 and the monitoring device 1 is not particularly limited, and may be one of the following embodiments:

embodiment one: in the present embodiment, the sensor 12 and the sensor electronic unit 13 are integrally configured, and the sensor 12 and the sensor electronic unit 13 can be attached to the base 11 at one time, thereby improving the assembly efficiency.

In this embodiment, after the sensor 12 and the sensor electronic unit 13 are installed, different parts of the monitoring device 1 are sterilized, for example, the part of the sensor 12 is sterilized by radiation first, the free end 121 of the sensor 12 is sterilized by radiation through the via hole 14, and meanwhile, the activity of biological enzymes on the free end 121 is ensured, and the radiation cannot be easily transmitted to the position of the sensor electronic unit 13 because the sensor electronic unit 13 and the via hole 14 are arranged in a staggered manner. Further, a shield may be provided between the via 14 and the sensor electronics 13 in the monitoring device 1 to further shield the radiation from affecting the circuit structure of the sensor electronics 13. The via 14 is then sealed and the sensor electronics 13 is gas sterilized so that the gas does not contact the free end 121 through the via 14.

Embodiment two: as a preferred embodiment of the present utility model, the sensor electronics unit 13 is removably secured to the mounting location 131.

By providing the sensor 12 and the sensor electronics unit 13 as a separate structure, a step sterilization of the monitoring device 1 can be achieved. In particular, the sensor 12 may be fixed to the base 11, and the free end 121 of the sensor 12 may be sterilized by radiation, which does not affect the circuitry of the sensor electronics 14, since the sensor electronics are not yet mounted to the base 11. The via 14 is then sealed and the sensor electronics 13 is mounted to the mounting location 131, and the sensor electronics 13 is sterilized with a gas that cannot enter the via 14 and thus does not affect the bio-enzyme on the contact pins at the free end 121.

The step-by-step sterilization mode not only can ensure the sterilization effectiveness and ensure that all parts are not affected, but also does not need to be provided with shielding pieces in the monitoring device 1, thereby simplifying the structure of the monitoring device 1 and saving the cost.

Preferably, the blood glucose monitor comprises a housing which is matched with the monitoring device 1, after the free end 121 of the sensor 12 is subjected to radiation sterilization, the housing is propped against the bottom surface of the monitoring device 1 to be matched with the monitoring device 1 to form a closed cavity, and the free end 121 and the needle head of the puncture assembly 3 are positioned in the closed cavity, so that before the housing is detached for implantation, components which are in direct contact with human skin are positioned in a sterile environment isolated from the outside.

As a preferred embodiment of the present utility model, as shown in fig. 3, the base 11 further has a via area 124, and a spacer 111 for separating the mounting location 131 from the via area 124, the via 14 is located in the via area 124, a connection 123 is provided between the free end 121 and the fixed end 122 of the sensor 12, and the connection 123 extends from the via area 124 through the spacer 111 and then into the mounting location 131.

The isolation part 111 isolates the via area 124 from the mounting site 131, so that during sterilization, two areas of the monitoring device 1 can be sterilized in different ways, respectively, without affecting each other, for example, the via area 124 is sterilized by radiation, the free end 121 of the sensor 12 is sterilized, and the activity of biological enzymes on the free end 121 is ensured, and the isolation part 111 is arranged so that radiation does not enter the mounting site 131. When the sensor electronic unit 13 in the mounting position 131 is sterilized by gas, the gas cannot enter the via area 124 due to the existence of the isolation part 111, so that the gas can be prevented from contacting the free end 121 of the sensor 12, and the biological enzyme is prevented from being influenced.

Preferably, as shown in fig. 3, the spacer 111 is a rib protruding upward from the bottom wall of the base 11.

Further, as shown in fig. 2, the monitoring device 1 further includes a first upper cover 15 for covering the via area 124, the first upper cover 15 cooperates with the base 11 and the isolation portion 111 to form a first chamber, and a pin hole 151 is disposed at a position corresponding to the via 14 on the first upper cover 15.

Further, as shown in fig. 2, the sensor electronics unit 13 includes a second upper cover 16, and the second upper cover 16 cooperates with the base 11 and the partition 111 to form a second chamber.

The first upper cover 15 covers the top of the partial area of the base 11 to form a first chamber, the via hole 14 is located in the first chamber, the isolation effect of the free end 121 of the sensor 12 and the sensor electronic unit 13 is further improved, and the first chamber and the second chamber can be sterilized respectively during radiation and gas sterilization by isolating the free end 121 of the sensor 12 and the sensor electronic unit 13 in two independent chambers respectively.

The auxiliary needle hole 151 and the through hole 14 are correspondingly arranged, so that the puncture assembly 3 can sequentially pass through the auxiliary needle hole 151 and the through hole 14 from top to bottom from the upper part of the monitoring device 1 to pass out from the lower part of the base 11, and the free end 121 of the sensor 12 is accommodated in the inner part of the base. And the puncture assembly 3 does not interfere with the sensor electronics unit 13, so that no openings in the sensor electronics unit 13 are required.

In addition, when one of the sensor 12 and the sensor electronic unit 13 is assembled and disassembled, the other chamber can be independently assembled or disassembled only by opening the upper cover of the corresponding chamber, and the other chamber is kept sealed.

Preferably, as shown in fig. 2, a seal mounting location 152 surrounding the auxiliary needle hole 151 is provided on the first upper cover 15. The seal mounting locations 152 allow room for the installation of seals, improving the robustness and stability of the seal installation. Preferably, the seal mounting position 152 is a mounting groove formed in the first upper cover 15, the mounting groove can limit the position of the seal, and the seal is always located in the mounting groove without lateral movement under the stop of the wall of the mounting groove, so that the tightness of the auxiliary needle hole 151 is ensured.

In a preferred embodiment, the mating area of the first upper cover 15 with the base 11 and the partition 111 is provided with a first resilient seal.

Because the first upper cover 15, the base 11 and the isolation portion 111 are all of a hard structure, gaps inevitably exist at the joints of the first upper cover 15, the base 11 and the isolation portion 111, so that the isolation effect of the first chamber and the second chamber is reduced, and radiation and gas are easy to leak, thereby influencing the sterilization effect.

The setting of first elastic sealing element increases elastic material in the junction of three for after the three connects, form the extrusion to first elastic sealing element and make it take place elastic deformation, thereby fill the gap of junction, increase the compactness of connection, improve sealed effect.

Preferably, the mating area of the second upper cover 16 with the base 11 and the partition 111 is provided with a second elastic seal. The second elastic sealing piece can also seal the gap of the second chamber, so that the sealing effect of the second chamber is improved.

As a preferred example of this embodiment, as shown in fig. 4 and 7, the monitoring device 1 further includes a mounting base 18 for holding the sensor 12, the mounting base 18 includes a base 181 and a pressing portion 182, the base 181 has a supporting position 1811 and a mating position 1812, the fixing end 122 is disposed on the supporting position 1811, the pressing portion 182 is disposed above the mating position 1812 and encloses a mounting channel 183 with the mating position 1812, and the connecting portion 123 is disposed in the mounting channel 183.

The partial area of the mounting channel 183 is adapted to the shape of the sensor 12 for fixing and limiting the sensor 12, and the base 181 and the pressing part 182 are respectively positioned on the upper side and the lower side of the sensor 12 to clamp the sensor 12, so that the stability of the sensor 12 is ensured, and the detection of the free end 121 and the contact sensitivity of the fixed end 122 and the sensor electronic unit 13 are ensured.

The bearing position 1811 can stably support the fixed end 122, so that the fixed end 122 can keep a stable contact state with the sensor electronic unit 13, and the condition that the fixed end 122 is loose or poor in contact with the sensor electronic unit 13 during shaking is prevented.

Specifically, as shown in fig. 3 to 6, a partial area of the connection portion 123 of the sensor 12 extends horizontally in the monitoring device 1, and the partial area is bent downward and passes out of the through hole 14, so that the free end 121 faces downward, and is convenient to be implanted subcutaneously in a patient.

The mounting channel 183 is adapted to the extending direction of the connecting portion 123, that is, as shown in fig. 7, the mounting channel 183 has a horizontal section and a bending section to be attached to the connecting portion 123 as much as possible, thereby improving the fixing effect on the connecting portion 123.

In a preferred embodiment, as shown in fig. 3, a positioning portion for clamping the fixed end 122 is provided in the mounting position 131.

The positioning part can further clamp and fix the fixed end 122, so that the position stability of the fixed end 122 is improved, the fixed end 122 is not easy to shake, the fixed end is kept in good contact with the sensor electronic unit 13, and stable signal transmission is ensured.

Further, as shown in fig. 3, a positioning groove 132 is formed in the inner side wall of the base 11, and the end portion of the fixed end 122 is engaged in the positioning groove 132. The end of the fixing portion 122 is fixed in a limiting manner through the positioning groove 132, so that multi-point fixing is formed on the fixing portion 122.

In a preferred embodiment, as shown in fig. 3, an inner sealing rib 141 and an outer sealing rib 142 surrounding the hole 14 are provided in the via area 124, a sealing channel is formed between the inner sealing rib 141 and the outer sealing rib 142, and the connection portion 123 sequentially passes through the sealing channel and the isolation portion 111 and then enters the mounting position 131.

The inner and outer sealing ribs encircle the periphery of the through hole 14, so that a double sealing effect is achieved, and the contact between the gas and the free end 121 through the through hole 14 when the sensor electronic unit 13 is subjected to gas sterilization is further prevented.

As a preferred embodiment of the utility model, the sensor electronics unit 13 is detachably connected to the base 11, the sensor electronics unit 13 being provided with a contact interface for mating with the electrical contacts 1221.

The fixed end 122 of the sensor 12 is positioned in the mounting position 131, so that after the sensor electronic unit 13 is mounted, the electrical connection of the sensor electronic unit 13 and the mounting position can be completed without additional connection operation, two steps of mounting and electrical connection are completed through one-step operation, the assembly difficulty is greatly reduced, and the assembly efficiency is improved.

Note that, the mating direction of the contact interface and the electrical contact 1221 is not specifically limited in this embodiment, and includes, but is not limited to, the following examples:

Example 1: in this embodiment, as shown in fig. 4, the electrical contact 1221 is oriented upward, the contact interface is oriented downward, and the contact interface are cooperatively connected in the up-down direction, so that the mating direction is consistent with the mounting direction of the sensor electronic unit 13, and the sensor electronic unit 13 is only required to be aligned up and down and put into the mounting position 131 to complete the mounting, and meanwhile, the electrical connection with the sensor 12 is also completed.

Example 2: in this embodiment, the electrical contact 1221 is disposed on one side of the fixed end 122, the sensor electronic unit 13 has a mating protrusion protruding downward, the contact interface is located on one side of the mating protrusion, and a mating groove is also provided in the mounting location 131 for the mating protrusion, and after the mating protrusion is inserted into the mating groove, the electrical contact 1221 and the contact interface are mated and communicated in the horizontal direction.

In a preferred embodiment of the present utility model, as shown in fig. 8, an application sheet 19 is disposed below the monitoring device 1, the application sheet 19 is provided with an avoidance area 191, the avoidance area 191 is eccentrically disposed with the detection device 1, and the avoidance area 191 is an arc-shaped gap.

At the time of delivery, the monitor further comprises a housing 2, and a closed cavity 23 is formed by abutting a part of area of the housing 2 and the bottom surface of the monitoring device 1, so that the sensor 12 and the needle body of the puncture assembly 3 are accommodated in the closed cavity 23. It will be appreciated that the patch 19 is coated with a gel so that after contact of the underside of the monitoring device 1 with the skin, it adheres to the skin surface under the adhesive force, and the area of avoidance is not tacky, so that this area is not tacky and will not cause wrinkling of the patch 19 when the housing 2 is in abutment. Meanwhile, when the housing 2 is detached, the housing 2 needs to move relatively to the monitoring device 1, the avoidance area 191 also leaves an avoidance space for the movement of the housing 2, so that the movement path of the housing 2 is positioned in the avoidance area 191, and the housing 2 is prevented from rubbing with the application piece 19 in the movement process, the flatness and the viscosity of the application piece 19 are affected, and the adhesion effect is reduced.

Preferably, as shown in fig. 8, the avoidance areas 191 are multiple and are all eccentrically arranged on the base 11, and the support columns 212 are arranged at positions of the housing 2 corresponding to the avoidance areas 191, so that multi-point support is formed for the monitoring device 1, the stability of supporting the monitoring device 1 is greatly improved, and the monitoring device 1 is prevented from falling off or tilting.

Preferably, as shown in fig. 9 to 24, the in-vivo blood glucose monitor comprises the above-mentioned monitoring device 1, further comprises a housing 2 and a connecting seat 5, wherein the housing 2 is matched with the lower part of the monitoring device 1 and forms a closed cavity 23, a free end 121 extends downwards into the closed cavity 23 after passing through a through hole 14 of the monitoring device 1, and the connecting seat 5 is further provided with a mounting opening 58 for mounting the sensor electronic unit 13 on the monitoring device.

In a specific operation, the sensor 12 may be fixed to the monitoring device 1, and the sensor 12 may be sterilized by radiation, where the radiation does not affect the circuit of the sensor electronic unit 13, since the sensor electronic unit is not yet mounted to the monitoring device 1.

Then, the housing 2 is fixed on the connecting seat 5, at this time, the housing 2 and the monitoring device 1 are matched to form a closed cavity 23, the contact pin of the sensor 12 is positioned in the closed cavity 23, the closed cavity 23 is isolated from the external environment, at this time, the sensor electronic unit 13 is mounted on the monitoring device 1 through the mounting port 58, then, the sensor electronic unit 13 is subjected to gas sterilization, at this time, the contact pin of the sensor 12 is positioned in the closed cavity 23, and gas cannot enter the closed cavity 23, so that the biological enzyme on the contact pin of the sensor 12 cannot be influenced.

In addition, the utility model connects the parts such as the monitoring device 1, the sensor 12 and the like with higher sterilization requirements into the sterilization assembly through the connecting seat 5, and only the assembly is required to be sent into the sterilization chamber for sterilization during sterilization, and the rear end part of the monitor is not required to be sterilized, thereby greatly reducing the volume of the sterilization assembly and saving the sterilization cost. The sterilization efficiency and the effect are improved.

As shown in fig. 9, 10 and 11, the sterilization assembly further comprises a puncture assembly 3, wherein the puncture assembly 3 comprises a needle body 31 and a needle seat 32, the needle body 31 extends downwards into the closed chamber 23 after passing through the through hole 14, and the free end 121 of the sensor 12 is nested inside the needle body 31.

In use, the stylus of the sensor 12 is of a flexible structure, and cannot penetrate the skin directly into the skin, so the stylus of the sensor 12 is nested in the needle body 31 through the needle body 31, the skin is penetrated by the needle body 31, the stylus of the sensor 12 is implanted into the skin, and after the implantation is completed, the puncture assembly 3 performs a needle withdrawing operation to separate the needle body from the human body.

The needle 31 extends into the closed chamber 23 and is in a closed sterile environment with the stylus of the sensor 11, ensuring that the needle 31 and the stylus of the sensor 11 are clean.

As shown in fig. 9, the connection holder 5 and/or the needle holder 32 is provided with a first sealing portion 33 capable of sealing the via hole 14 to ensure sealing of the closed chamber 23. The first sealing portion 33 is preferably made of an elastic material, and when the needle holder 32 abuts against the connecting seat 5, the first sealing portion 33 is pressed to be elastically deformed, thereby sealing the gap therebetween.

As a preferred example of this embodiment, as shown in fig. 10 and 11, the connection seat 5 is further provided with a limiting structure 4, and the limiting structure 4 can at least limit the removal of the puncture assembly 3 from the via hole 14.

The limit structure 4 can limit the puncture assembly 3, so that the puncture assembly 3 and the monitoring device 1 are stably connected, on one hand, the puncture assembly 3 seals the via hole 14, and on the other hand, the puncture assembly 3 is stable in position and is beneficial to ensuring the sealing reliability of the via hole 14, thereby ensuring the isolation between the sealed cavity 23 and the outside, ensuring the sensor 11 and the needle body 31 to be in a sterile environment, simultaneously reducing the risk of detachment of the puncture assembly 3 and the monitoring device 1, and reducing the risk of damage of the monitoring device 1. On the other hand limit structure 3 can restrict the motion of puncture subassembly 3 to when housing 2 did not pull down, realize puncture subassembly 3 prevent that the mistake touches, under limit structure 4's restriction, puncture subassembly 3 can not move and then can't implant or withdraw of needle action, improved monitor's operational reliability, practiced thrift the cost.

Specifically, as shown in fig. 10, 11 and 16 to 19, the limiting structure 4 has a limiting hole 41, the limiting hole 41 and the needle seat 32 are both in non-circular structures, the limiting hole 41 can rotate together with the limiting structure 4 relative to the needle seat 32, when the limiting hole 41 rotates to a position overlapping with the needle seat 32, the limiting structure 4 is in an unlocking state, at this time, the limiting structure 4 loses a stop to the needle seat 32, and the puncture assembly 3 can penetrate out from the limiting hole 41. When the limiting structure 4 rotates until the limiting hole 41 is dislocated from the needle seat 32, the limiting structure 4 is in a locking state, and the limiting structure 4 forms a stop for the needle seat 32, so that the needle seat 32 cannot pass through the limiting hole 41.

In another embodiment, as shown in fig. 17, the inner wall of the limiting hole 41 is provided with a protruding structure 411, the outer wall of the needle seat 32 is correspondingly provided with a groove structure, when the two rotate to be coincident, the needle seat 32 is unlocked, and when the two rotate to be misaligned, the needle seat 32 is locked.

Further, the limit structure 4 rotates in synchronization with the housing 2. The housing 2 is abutted with the monitoring device 1 to form a closed cavity 23 before the monitor is used, so that the contact pin and the needle body 31 of the sensor 12 are in a closed sterile environment, and when the monitor is used, the housing 2 is detached in a rotating mode, and the contact pin and the needle body 31 of the sensor 12 are exposed at the moment, so that a user can conveniently perform implantation operation. Meanwhile, in the process of disassembling the housing 2, the limiting structure 4 synchronously rotates, so that the puncture assembly 3 is unlocked and can move to perform implantation operation, the synchronous unlocking of the housing 2 and the puncture assembly 3 is realized, the unlocking of a plurality of parts is realized only by one-step operation, the operation steps are simplified, the complexity of product use is reduced, and the use experience is greatly improved.

Further, as shown in fig. 10, 11, 12, 13, 16 and 17, the limiting structure 4 includes a toggle rod 42, an installation groove 211 is provided at an opening end of the housing 2, the installation groove 211 is used for clamping the toggle rod 42, and the housing 2 can drive the limiting structure 4 to rotate to change from a locking state to an unlocking state.

Specifically, as shown in fig. 10 and 11, the open end of the housing 2 surrounds the periphery of the monitoring device 1, and the toggle rod 42 is engaged with the mounting groove 211 at the open end of the housing 2 and extends inward in the radial direction of the housing 2 to be engaged with the puncture assembly 3. The two groove walls of the mounting groove 211 are positioned on two sides of the mounting groove 211 along the circumferential direction of the housing 2, so that the circumferential limit of the toggle rod 42 is formed, and when the housing 2 rotates, the toggle rod 42 is pushed to synchronously rotate along with the housing 2 under the abutting action of the groove walls on one side of the mounting groove 211.

Further, as shown in fig. 10, 11, 12 and 13, the mounting groove 211 has an opening facing upward at the corresponding second position, so that when the user removes the housing 2, the toggle rod 42 can slide out of the opening and separate from the housing 2, so that the housing 2 is removed, and the toggle rod 42 stays inside the monitor without affecting the operation of the components therein.

As a preferred embodiment of the present utility model, as shown in fig. 11, 14 and 16, the sterilization assembly further comprises a connection seat 5 for installing the monitoring device 1 and a guide assembly for guiding the rotation of the limit structure 4, the guide assembly comprises a guide chute 43 and a guide slide block 51, one of the guide chute 43 and the guide slide block 51 is arranged on the limit structure 4, and the other is arranged on the connection seat 5.

Specifically, as shown in fig. 9, the monitoring device 1 is located inside the connecting seat 5, and the limiting structure 4 is located on the top surface of the connecting seat 5. The guide chute 43 and the guide slide block 51 cooperate to play a role in guiding the rotation of the limit structure 4, so that the reliability of the movement of the limit structure 4 is improved.

It should be noted that, in this embodiment, the structure of the guide assembly is not particularly limited, and in one example, as shown in fig. 14 and 16, the guide chute 43 is disposed on the limit structure 4, the guide slider 51 is disposed on the top surface of the connection seat 5, and extends along the circumferential direction of the connection seat 5, so as to guide the limit structure 4 to rotate along the circumferential direction of the connection seat 5.

Of course, the guide chute 43 may be provided on the connection base 5, and the guide slider 51 may be provided on the limit structure 4, which is not particularly limited.

Further, as shown in fig. 11, 14 and 16, the limiting structure 4 includes a check rib 44, and a check protrusion 52 is provided on the housing 2 and/or the connection seat 5, so that when the limiting structure 4 rotates from the first position to the second position, the check rib 44 abuts against the check protrusion 52 to limit the limiting structure 4 from rotating from the second position to the first position.

The cooperation of check muscle 44 and the protruding 52 of check for the unblock motion of limit structure 4 is irreversible operation, in case limit structure 4 rotates to the unblock state, under the backstop effect of check muscle 44 and the protruding 52 of check, just restrict limit structure 4 in this position, makes it unable gyration to locking state, guarantees reliability and the security that the product used, further avoids the product to be used repeatedly, reduces cross infection's risk.

In a preferred example, as shown in fig. 14, the top surface of the connecting seat 5 is provided with a guide sliding block 51, and a check protrusion 52 is arranged on the guide sliding block 51, so that the integration of check and guide functions is realized, the monitor has multiple purposes, the internal structure compactness of the monitor is improved, and the cost is saved.

Preferably, as shown in fig. 11, 14 and 16, one of the connecting seat 5 and the limiting structure 4 is provided with a limiting member 45, and the other is provided with a blocking member, and when the limiting structure 4 rotates from the first position to the second position, the blocking member can abut against the limiting member 45 to limit the limiting structure 4 to move continuously in a direction away from the first position.

The rotation angle of the limiting structure 4 can be limited by the cooperation of the limiting piece 45 and the blocking piece, when the limiting structure 4 rotates to the second position, the puncture assembly 3 is unlocked, and at the moment, the limiting structure 4 cannot continue to rotate under the stop action of the limiting piece 45 and the blocking piece, so that the position locking of the limiting structure 4 is realized, the limiting structure 4 is kept in an unlocking state, and the puncture assembly 3 can be prevented from being locked again due to overlarge rotation quantity of the limiting structure 4.

Preferably, as shown in fig. 14 and 16, the limiting member 45 is a protrusion disposed on the limiting structure 4, the blocking member is disposed on two sides of the limiting structure 4, and a region between the two is a stroke of the limiting structure 4, so as to form blocking limit for the limiting structure 4 at two positions.

In a preferred embodiment of the present utility model, as shown in fig. 10, 11, 14 and 15, the pressing member 53 is disposed on the connection base 5, and the pressing member 53 cooperates with the connection base 5 to clamp the limiting structure 4.

The pressing piece 53 forms downward pressure on the needle seat 32 to press the puncture assembly 3 on the connecting seat 5, so as to fix the puncture assembly 3. Preferably, the pressing member 53 is located on at least one side of the limiting structure 4, so that a side wall of the pressing member 53 can form a stop with the limiting structure 4, thereby limiting the rotation amount of the limiting structure 4, i.e. the pressing member 53 forms the blocking member.

In addition, after the housing 2 is disassembled, the limiting structure 4 is separated from the housing 2, and under the action of the pressing piece 53, the limiting structure 4 is still firmly pressed on the connecting seat 5, so that the phenomenon that the limiting structure 4 moves inside the monitor after losing the limiting effect to influence the work of other parts is avoided.

Specifically, as shown in fig. 14 and 15, the pressing member 53 is a rib position that is disposed on the top surface of the connection seat 5 and extends upward, and the top of the rib position is bent to form a pressing claw, a containing space is formed between the pressing claw and the top surface of the connection seat 5, the limiting structure 4 is disposed in the containing space, and the pressing claw forms a downward pressing force on the limiting structure 4.

Further, as shown in fig. 12, a support column 212 is further disposed in the outer casing 22, and the support column 212 can abut against the lower side of the monitoring device 1.

The support columns 212 increase the contact area between the housing 2 and the monitoring device 1, and improve the support stability of the housing 2 to the monitoring device 1. Preferably, as shown in fig. 12, the number of the support columns 212 is two, so that the inner shell 21 and the support columns 212 together support the monitoring device 1 to form three-point support for the monitoring device 1.

As a preferred example of the present embodiment, as shown in fig. 12 to 15, at least a partial region of the outer case 22 surrounds the outer periphery of the connection seat 5, one of the outer case 22 and the connection seat 5 is provided with a fixing projection 54, and the other is provided with a fixing groove 213, and the fixing groove 213 has a guide segment 2131 and a locking segment 2132 connected to each other so as to rotationally engage the outer case 22 and the connection seat 5.

Specifically, as shown in fig. 10 and 11, at least a partial region of the outer case 22 surrounds the outer periphery of the connection base 5, and one of the fixing protrusion 54 and the fixing groove 213 is provided on the outer periphery of the connection base 5 and the other is provided on the inner wall of the outer case 22.

As shown in fig. 12 to 15, in one embodiment, the outer circumference of the connection base 5 is provided with a fixing protrusion 54, the inner wall of the outer housing 22 is provided with a fixing groove 213, and when assembling, the fixing protrusion 54 is inserted into the fixing groove 213 from the guide section, and then the housing 2 is rotated, so that the fixing protrusion 54 is rotationally slid to the locking section 2132 along the fixing groove 213, thereby completing the locking of the housing 2 and the connection base 5. Conversely, rotating the housing 2 in the opposite direction moves the fixing projection 54 to the guide segment 2131, and then withdrawing the housing 2 in the opening direction of the guide segment 2131, the housing 2 can be detached.

Of course, the fixing protrusion 54 may be provided on the inner wall of the housing 2, and the corresponding fixing groove 213 may be provided on the outer periphery of the connection base 5, which is not particularly limited.

Preferably, as shown in fig. 14 and 15, the side wall of the connection base 5 is provided with a plurality of elastic rib positions 55, and in a state that the housing 2 is fixed to the connection base 5, the housing 2 abuts against the elastic rib positions 55 so that the elastic rib positions 55 move towards the monitoring device 1 to clamp the monitoring device 1.

The part area of housing 2 encircles the periphery at monitoring device 1, when housing 2 is not dismantled, under the effect of supporting of housing 2, the elastic rib position 55 of connecting seat 5 inwards moves respectively to form the extrusion to monitoring device 1, it is fixed with monitoring device 1 chucking, improve monitoring device 1's connection stability, prevent to drop, when the user carries out implantation operation, pull down housing 2, elastic rib position 55 loses the extrusion and resets this moment, outwards expand, loosen monitoring device 1, monitoring device 1 can break away from connecting seat 5 under the cohesive force effect with human skin this moment, leave the skin surface. According to the utility model, the unlocking of the monitoring device 1 is realized while the housing 2 is disassembled, so that the operation steps are further simplified, and the use experience is improved.

Preferably, as shown in fig. 14 and 15, the elastic rib positions 55 are plural and are arranged at intervals along the circumferential direction of the connection seat 5.

Further, as shown in fig. 1, 12, 14 and 15, a fixing rib 551 is provided on one side of the elastic rib 55 facing the monitoring device 1, the outer periphery of the monitoring device 1 is provided with a matching groove 17 corresponding to the elastic rib 55, when the elastic rib 55 moves towards the monitoring device 1, the fixing rib 551 stretches into the matching groove 17, so that the connection seat 5 clamps the monitoring device 1 more stably, circumferential rotation of the monitoring device 1 caused by vibration or other factors in the transportation process is avoided, when the housing 2 is detached, the elastic rib 55 moves outwards to reset, and the fixing rib 551 slides out of the matching groove 17.

In another example of the present embodiment, as shown in fig. 14, the connection seat 5 is provided with a through hole 56, the through hole 56 is disposed corresponding to the via hole 14, and at least a part of the area of the hub 32 is matched with the through hole 56 to limit the rotation of the puncture assembly 3 relative to the connection seat 5.

Specifically, before implantation, the protruding structure of the needle holder 32 is located in the through hole 56 to limit the rotation of the puncture assembly 3 relative to the connecting seat 5, and meanwhile, the protruding structure of the needle holder 32 abuts against the limiting structure 4 to enable the needle holder 32 to be in a locking state; after the limit structure 4 is unlocked, the protruding structure of the needle seat 32 is separated from the limit structure 4, and when the puncture assembly 3 retreats, the protruding structure of the needle seat 32 can pass through the limit hole 41 to complete the needle retreating action.

As shown in fig. 19 and fig. 20 to 24, the blood glucose monitor includes a housing 6 and a needle assisting component 7 disposed in the housing 6, and further includes the continuous blood glucose monitor sterilization component, the sterilization component further includes a puncture component 3, the puncture component 3 includes a needle body 31 and a needle seat 32, the needle seat 32 is provided with a clamping slot 321 and a limiting slot 322, the clamping slot 321 is used for connecting with the needle assisting component 7, and the limiting slot 322 is used for matching with the limiting structure 4.

The needle seat 32 is connected with the needle assisting component 7, so that the puncture component 3 and the needle assisting component 7 are linked, and after the user triggers, the needle assisting component 7 drives the puncture component 3 to move towards the skin together to complete implantation action, and power is provided for the puncture component 3.

As shown in fig. 14, 15 and 20, the connection seat 5 further has a hook 57 for being fastened and fixed with the needle assisting component 7.

Preferably, as shown in fig. 12, 13, 21 and 22, the casing 2 includes an outer casing 24, an outer casing 22 and an inner casing 21 which are sleeved, and the casing 6 is abutted with the outer casing 22. The inner shell 21 is abutted with the bottom surface of the monitoring device 1 to form a closed cavity 23, and the outer cover 24 is abutted with the shell 6 to enclose all parts of the monitor in the cavity formed by the two parts.

As shown in fig. 21 and 23, the casing 6 is provided with a trigger structure 61, and a user can trigger the monitor by operating the trigger structure 61 to complete the whole implantation and needle withdrawal processes.

The trigger structure 61 may be a button as shown in fig. 21 to trigger by pressing, or may be a push structure as shown in fig. 23 to trigger by pushing the structure downward.

When leaving the factory, the puncture assembly 3, the monitoring device 1 and the connecting seat 5 in the continuous blood glucose monitor are all in a locking state, so that a user cannot trigger implantation, and the risk of false triggering is greatly improved. The operation method of the continuous blood glucose monitor comprises the following steps: firstly, the housing 2 is rotated, the connecting seat 5, the monitoring device 1 and the connecting seat 5 synchronously rotate to unlock, then the housing 2 is taken down, at this time, the contact pin of the sensor 12 and the needle body 31 of the puncture assembly 3 are exposed, then the opening end of the housing 6 is stuck on the skin, the triggering structure 61 is triggered by pressing and other operations, at this time, the housing 6 loses the stop of the auxiliary needle assembly 7, the auxiliary needle assembly 7 drives the puncture assembly 3, the connecting seat 5 and the monitoring device 1 to move towards the skin together under the action of the spring assistance, the needle body punctures the skin, the contact pin of the sensor 12 is implanted under the skin, the implantation process is completed, then the needle withdrawing action of the puncture assembly 3 is triggered, the puncture assembly 3 moves away from the skin relative to the auxiliary needle assembly 7, the needle withdrawing operation is completed, the monitoring device 1 is stuck and fixed on the skin surface, at the same time, when the other parts of the monitor are taken away, the monitoring device 1 and the connecting seat 5 are released, the whole implantation process is completed, after implantation, the monitoring device 1 is only kept on the skin surface, the contact pin of the sensor 12 is positioned under the skin, and real-time monitoring is performed.

The utility model can be realized by adopting or referring to the prior art at the places which are not described in the utility model.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments.

The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.

Claims (15)

1. An in-vivo blood sugar monitoring device comprises a base, a sensor and a sensor electronic unit, and is characterized in that,

the base is provided with a mounting position for mounting the sensor electronic unit and a via hole area provided with a via hole, and the bottom surface of the mounting position and the bottom surface of the via hole area are positioned on the same plane;

the sensor is provided with a free end and a fixed end provided with a plurality of electric contacts, wherein the fixed end is electrically connected with the sensor electronic unit, and the free end extends downwards after passing through the through hole.

2. The in-vivo blood glucose monitoring device of claim 1, wherein,

the base is further provided with an isolation part for isolating the mounting position and the via hole area, a connecting part is arranged between the free end and the fixed end of the sensor, and the connecting part extends from the via hole area to enter the mounting position after passing through the isolation part.

3. The in-vivo blood glucose monitoring device of claim 2, wherein,

the first upper cover is matched with the base and the isolation part to form a first cavity, and auxiliary pinholes are arranged at positions of the first upper cover corresponding to the through holes.

4. The in-vivo blood glucose monitoring device of claim 3, wherein,

the first upper cover is provided with a sealing element installation position surrounding the auxiliary needle hole.

5. The in-vivo blood glucose monitoring device of claim 3, wherein,

the first upper cover is provided with a first elastic sealing element in a matching area of the base and the isolation part.

6. The in-vivo blood glucose monitoring device of claim 3, wherein,

still including being used for the centre gripping the mount pad of sensor, the mount pad includes base and compress tightly the portion, the base has bearing position and cooperation position, the stiff end is arranged in the bearing position, compress tightly the portion be located the top of cooperation position and with the cooperation position encloses into the installation passageway, connecting portion are located in the installation passageway.

7. The in-vivo blood glucose monitoring device of claim 3, wherein,

and a positioning part for clamping the fixed end is arranged in the mounting position.

8. The in-vivo blood glucose monitoring device of claim 7, wherein,

the inside wall of base has seted up the constant head tank, the tip block of stiff end is in the constant head tank.

9. The in-vivo blood glucose monitoring device of claim 3, wherein,

the inner sealing rib and the outer sealing rib which surround the via hole are arranged in the via hole area, a sealing channel is formed between the inner sealing rib and the outer sealing rib, and the connecting part sequentially passes through the sealing channel and the isolating part and then enters the mounting position.

10. The in-vivo blood glucose monitoring device of claim 2, wherein,

the sensor electronics unit includes a second upper cover that cooperates with the base and the partition to form a second chamber.

11. The in-vivo blood glucose monitoring device of claim 10, wherein,

and a second elastic sealing element is arranged in the matching area of the second upper cover, the base and the isolation part.

12. The in-vivo blood glucose monitoring device of claim 1, wherein,

The sensor electronic unit is detachably connected with the base, and is provided with a contact interface matched with the electric contact.

13. The in-vivo blood glucose monitoring device of claim 1, wherein,

the utility model discloses a monitoring device, including monitoring device, area, monitoring device, area is applied to the monitoring device below is provided with the piece is applied to the subsides, the area of dodging with monitoring device eccentric settings, just the area of dodging is the arc breach.

14. The in-vivo blood glucose monitoring device of claim 1, wherein,

the sensor electronic unit comprises a sensor signal processing module and a remote signal receiving and transmitting module.

15. The in-vivo blood glucose monitoring device of claim 1, wherein,

and a power module arranged in the installation position.

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