In-vivo blood glucose monitoring device

Abstract

The in-vivo blood glucose monitoring device comprises a shell, a triggering unit, a sealing assembly and a locking piece, the shell is provided with a first end and a second end which are oppositely arranged in the first direction, and the second end is provided with a matching opening; the trigger unit is arranged at the first end; the bottom shell is connected with the second end and is provided with an implanting opening; the in-vivo monitoring unit comprises a first electronic unit fixed in the shell and a second electronic unit fixed on the bottom shell; the sealing assembly is provided with a first position located between the first electronic unit and the second electronic unit and a second position moving in the second direction to relieve sealing, and the second direction is perpendicular to the first direction; when the locking piece is located at the first position, the locking piece abuts against the sealing assembly to stop the trigger unit from moving, and when the locking piece is located at the second position, the locking piece is separated from the sealing assembly to unlock the trigger unit. When the sealing assembly is in the sealing state, the triggering unit cannot be triggered, and the triggering unit can be triggered only when a user operates the sealing assembly to move to the position where sealing is disengaged.

Description

Technical Field

[0001] The present application belongs to the technical field of medical equipment, and specifically relates to an in vivo blood glucose monitoring device. Background Art

[0002] Diabetic patients measure their blood sugar concentration by drawing blood from their fingertips. Since blood sugar concentration is constantly changing, this measurement method requires patients to perform regular tests to continuously track blood sugar indicators. Fingerstick blood measurement cannot help patients accurately track blood sugar concentration in real time to improve their health quality.

[0003] CGM (Continuous Glucose Monitoring) stands for continuous glucose monitoring system, which is a medical device used to continuously monitor the blood glucose levels of diabetic patients. Compared with traditional blood glucose monitoring methods, CGM provides continuous and detailed blood glucose level data, which can help users better manage their blood glucose status.

[0004] The trigger structure of existing CGM products is generally a button structure set on the shell. When using, the user needs to hold the shell with his hand and then press the button to complete the trigger operation. However, during transportation and storage, when the CGM product is hit, or before the user uses it, it is easy to accidentally touch the trigger structure, causing the monitoring system to be accidentally triggered before use, causing the puncture needle in the monitoring system to complete the implantation and withdrawal action in advance. CGM products are mostly disposable products, that is, the puncture needle cannot be used again after an implantation action. Therefore, the false triggering operation will directly lead to the scrapping of the product, greatly increasing the cost of use.

[0005] Therefore, some CGM products are equipped with a safety lock structure to lock the trigger structure before the user uses it, so that it cannot be pressed to trigger. This requires the user to perform additional operations to release the safety lock before the implantation operation, and the existing safety lock unlocking methods are various, which makes it difficult for users to use and inconvenient to use.

[0006] In addition, the on-body monitoring units of some monitoring systems are split structures and are not assembled at the factory. Users need to assemble them before use. This further increases the complexity of the monitoring system structure and the cumbersome use steps, resulting in high learning costs for users and poor user experience. Utility Model Content

[0007] The present application provides an in vivo blood glucose monitoring device to solve the technical problems of complex monitoring system structure and cumbersome use steps on the basis of preventing false triggering of the monitoring system.

[0008] The technical solution adopted in this application is:

[0009] An in vivo blood glucose monitoring device comprises an outer shell, the outer shell having a first end and a second end arranged opposite to each other along a first direction, the second end being provided with a mating opening; a trigger unit arranged at the mating opening at the first end; a bottom shell, the bottom shell being connected to the second end and provided with an implantation opening; an in vivo monitoring unit, the in vivo monitoring unit comprising a first electronic unit fixed inside the outer shell and a second electronic unit fixed to the bottom shell, the first electronic unit comprising a sensor, and the second electronic unit comprising a signal processing module; a sealing component, the sealing component having a first position located between the first electronic unit and the second electronic unit to seal the mating opening, and a second position moving along a second direction to connect the mating opening and the implantation opening, the second direction being perpendicular to the first direction; a locking member arranged inside the outer shell and abutting between the trigger unit and the sealing member; in the first position, the locking member abuts against the sealing member to prevent the trigger unit from moving, and in the second position, the locking member disengages from the sealing member to unlock the trigger unit.

[0010] In the present application, the needle-assisting unit and the first electronic unit are fixed in the outer shell, and the second electronic unit is fixed in the bottom shell, so that the in vivo blood glucose monitoring device is divided into two modules, wherein the puncture unit, sensor and other components with high sterilization requirements are concentrated in one module (inside the outer shell), so before leaving the factory, the cover shell and the bottom shell modules can be sterilized with different processes or levels respectively to avoid damage to electronic components such as the signal processing module of the second electronic unit when the sensor is sterilized. After the sterilization is completed, the outer shell and the bottom shell are assembled into one, and a sealing assembly is set in the first electronic unit and the second electronic unit to isolate the internal chambers of the outer shell and the bottom shell. Avoid the problem of sensor or electronic component failure during the sterilization process. And when leaving the factory, the bottom shell and the outer shell have been fixed, and the user does not need to fix the bottom shell and the outer shell before use, which reduces the operation steps and improves the user experience.

[0011] When leaving the factory, the bottom shell and the outer shell are already connected, and a space is reserved between the bottom shell and the outer shell for disassembling the sealing component. In this way, when using the product, the user does not need to assemble the bottom shell and the outer shell, nor does he need to tear off the sealing films on the bottom shell and the outer shell respectively. He only needs to move the sealing component along the second direction to achieve the connection between the inner part of the outer shell and the inner part of the bottom shell. This greatly simplifies the steps of using the product, reduces the difficulty of operation, and makes the operation before use easier and more convenient for the user.

[0012] In addition, the locking member abuts between the trigger unit and the sealing assembly, so that the sealing assembly forms a movement restriction on the locking member, and the locking member forms a movement restriction on the trigger unit. That is to say, when the sealing assembly is in a sealed state, the locking member will abut against the trigger unit so that the device cannot be triggered. Only when the user operates the sealing assembly to move to a position that is out of the seal, the sealing assembly loses the restriction on the locking member, the locking member moves, and thus loses the restriction on the trigger unit, and the trigger unit can be triggered at this time. In this way, the sealing assembly is associated with the locking member state to ensure that the device can only be triggered after the user removes the sealing assembly, which greatly reduces the probability of the device being accidentally triggered and scrapped due to collision or extrusion before use, thereby improving product reliability.

[0013] The position locking and unlocking of the locking member is achieved by operating the sealing assembly, thereby achieving locking and unlocking of the trigger unit. In this way, before use, the user does not need to assemble the outer shell and the bottom shell, nor does he need to unseal the outer shell and the bottom shell separately. At the same time, there is no need to operate the locking member separately to unlock the trigger unit. The sealing contact and unlocking of the trigger unit can be achieved by simply taking out the sealing assembly along the second direction. This not only simplifies the internal structure of the monitoring device, but also greatly simplifies the use steps, reduces the learning cost, and improves the use experience.

[0014] Preferably, the locking member has a locking position for locking the movement of the trigger unit and an unlocking position for the trigger unit, and the locking member can move along a first direction to switch from the locking position to the unlocking position.

[0015] In this solution, the locking member and the trigger unit have the same movement direction. When the locking member is in the locking position, it abuts against the trigger unit to form a stopper for the trigger unit, limiting the movement of the trigger unit along the first direction. When the locking member moves along the first direction to the unlocking position, it disengages from the trigger unit, forming a movement space between the two, so that the trigger unit can move in the movement space.

[0016] Preferably, a support member is also provided inside the shell, and the support member and at least part of the trigger unit cooperate to form a sliding groove extending along the first direction, and the locking member includes a stop portion located in the sliding groove, and the sliding groove has a stop position abutting against the trigger unit, and a release position for releasing the stop from the trigger unit, and the stop portion can move between the stop position and the release position.

[0017] In this solution, at least part of the support and the trigger unit cooperate to form a sliding groove extending in the first direction. When the stopper is in the stop position, it abuts against the trigger unit. When the stopper moves in the first direction to the release position, it is separated from the trigger unit and rests on the support. The support forms a movement limit for the locking member in the first direction to prevent the locking member from slipping off. Therefore, the length of the sliding groove in the first direction is the movement stroke of the locking member.

[0018] Preferably, a pushing member is further provided inside the housing, and the pushing member is used to apply a pushing force along the first direction to the locking member.

[0019] In this solution, the pusher applies a force toward the first direction to the locking member, so that when the locking member abuts against the sealing component, the pusher is in a state of storing force. When the sealing component loses its abutment against the locking member, the pusher is released, pushing the locking member to move rapidly along the first direction, thereby losing the movement restriction on the trigger unit. In this way, after the sealing component is taken out, the locking member can react quickly and unlock the trigger unit. The responsiveness of the locking member is improved, the waiting time of the user is reduced, and the duration of the entire implantation process is shortened, making the implantation process smoother and improving the user experience.

[0020] Preferably, the inner wall of the housing is provided with a placement groove recessed along the second direction, and the locking member is located in the placement groove and cooperates with the groove wall of the placement groove to form an accommodating space for accommodating the pushing member.

[0021] In this solution, the locking member cooperates with the placement groove on the inner wall of the shell to form an accommodating space, and the pushing member is arranged in the accommodating space. Not only does it reasonably utilize the internal space of the shell and save the internal space, but the accommodating space can also guide the movement of the pushing member, limit the deformation or movement of the pushing member along the first direction, and then apply a stable thrust along the first direction to the locking member.

[0022] Preferably, one end of the locking member is folded toward the fitting opening to form an outer flange, and the outer flange has a contact plane, and the contact plane abuts against the sealing assembly to seal.

[0023] In this solution, the locking member abuts against the sealing assembly through a contact plane, thereby increasing the contact area between the two, improving the sealing effect, and making the locking member's extrusion of the sealing assembly more uniform and stable, reducing the risk of the locking member squeezing and tilting the sealing assembly and causing sealing failure.

[0024] Preferably, the in vivo blood glucose monitoring device also includes an auxiliary needle unit and a puncture unit arranged inside the shell. When the sealing assembly is in the second position, the trigger unit is triggered once, and the auxiliary needle unit drives the puncture unit to move in the first direction to electrically connect the first electronic unit and the second electronic unit, and penetrate the sensor part into the host.

[0025] In this solution, after the user performs a trigger operation, the first electronic unit can move along the first direction with the auxiliary needle unit and the puncture unit. When the puncture unit carries the sensor inside the first electronic unit and pierces the host body, the first electronic unit and the second electronic unit are electrically connected synchronously. In this way, a trigger operation is achieved, and the assembly of the in-body monitoring unit, the electrical connection between the first electronic unit and the second electronic unit, and the implantation of the sensor are completed at the same time. This greatly simplifies the user's operating steps during the implantation process, reduces the difficulty of product operation, and reduces the user's learning cost. At the same time, it also shortens the time of the entire implantation stage, which helps to reduce the user's fear while waiting for implantation.

[0026] When using the in vivo blood glucose monitoring device of the present application, the user only needs to perform a trigger operation once to simultaneously achieve the electrical connection between the first electronic unit and the second electronic unit, as well as the implantation of the sensor, thereby completing the entire implantation process and improving the user experience.

[0027] Preferably, a limiting sleeve is also provided inside the shell, and the limiting sleeve has a limiting channel extending along the first direction. The needle-assisting unit includes at least two clamping parts, and the clamping parts are located outside the puncture unit to limit the movement of the puncture unit relative to the clamping parts. The clamping parts are located in the limiting channel and can move in the first direction in the limiting channel; when the clamping parts move to a release position relative to the limiting channel, the clamping parts release the puncture unit so that the puncture unit moves in a third direction relative to the clamping parts, and the third direction is opposite to the first direction.

[0028] In this solution, the needle-assisting unit includes at least two clamping parts, which restrict the puncture unit by clamping and fixing in the limiting channel. Under the abutment of the inner wall of the outer limiting channel, the clamping part tightly clamps the puncture unit, so that the relative position of the puncture unit and the needle-assisting unit remains unchanged. The clamping force can not only drive the trigger unit to drive the puncture unit when the needle-assisting unit is triggered, and carry the puncture unit to move along the first direction, but also firmly fix the puncture unit to limit the puncture unit, prevent the puncture unit from being released in advance and withdrawing the needle, and ensure that the entire implantation process is carried out reliably and orderly. As the clamping part moves in the first direction, at least part of the clamping part slides out of the limiting channel, thereby losing the squeezing of the inner wall of the limiting channel, and the clamping force of the clamping part on the puncture unit is weakened, so that the puncture unit loses the restriction of the needle-assisting unit and is released, and then moves along the third direction to complete the withdrawal of the needle.

[0029] By clamping and releasing the puncture unit from the outside of the clamping part, the driving of the puncture unit and the restriction and triggering of the needle withdrawal movement are realized, so that the structural design of the needle-assisting unit and the puncture unit is simpler, and there is no need to set a complex stop structure on both. The position requirements of each component are reduced, and the processing accuracy and assembly accuracy requirements are reduced, thereby reducing the production difficulty and improving the production efficiency. In addition, on the path of the puncture unit moving along the first direction to insert the needle and moving along the third direction to withdraw the needle, there will be no structure perpendicular to the first direction to interfere with its movement, thereby improving the stability and smoothness of the puncture unit during movement, so that the puncture unit moves smoothly, and the switching process of inserting and withdrawing the needle is more streamlined, and there will be no jamming feeling. In addition, the shaking generated when the puncture unit moves is reduced, so that the puncture unit moves more smoothly along the axial direction of the shell, reducing the pain of the user during use.

[0030] Preferably, an assisting needle unit and a puncture unit are also provided inside the shell. The assisting needle unit can move along a first direction to perform an implantation operation. The trigger unit includes a trigger button and a trigger rib extending along the first direction. The trigger rib forms a first installation channel. An assisting member for driving the assisting needle unit to move is provided in the first installation channel. A second installation channel is provided inside the assisting needle unit. A reset member for driving the puncture unit to move in a direction opposite to the first direction is provided in the second installation channel.

[0031] In this solution, the reset member and the booster member are coaxially arranged, so that the movement and deformation of the booster member and the reset member are limited within two channels, the movement guidance of the booster member and the reset member is improved, and the puncture unit moves smoothly and reduces shaking.

[0032] Preferably, the outer shell and the bottom shell can rotate relative to each other to have a first relative position and a second relative position. In the first relative position, the outer shell and the bottom shell squeeze the sealing assembly to seal the mating opening. In the second relative position, the outer shell and the bottom shell loosen the sealing assembly.

[0033] In this solution, when leaving the factory, after the assembler installs the sealing assembly in place, the outer shell and the bottom shell are adjusted to the first relative position so that the sealing assembly seals the mating opening. Before use, the user rotates the bottom shell and the outer shell relative to each other to switch to the second relative position. At this time, the sealing assembly releases the seal, and the friction resistance between the sealing assembly and the outer shell or the bottom shell is reduced. The user can easily remove the sealing assembly. At the same time, the rotation operation method is simpler and more convenient, and the use is also more convenient.

[0034] Preferably, one of the outer shell and the bottom shell is provided with a fixing protrusion, and the other of the two is provided with a fixing groove, the fixing groove has a locking position and an unlocking position spaced apart in the circumferential direction, and in the first direction, there is a height difference between the locking position and the unlocking position.

[0035] In this solution, the fixing protrusion cooperates with the fixing groove and can slide in the fixing groove when the bottom shell and the outer shell rotate relative to each other, thereby providing a motion guide for the rotation of the bottom shell and the outer shell, regulating the user's operation, so that the user can only relatively rotate the bottom shell and the outer shell, and cannot operate by pressing or other methods. There is a height difference between the locking position and the unlocking position of the fixing groove, so that the relative rotation of the bottom shell and the outer shell can be converted into the axial movement of the two by the guidance of the fixing groove, so that when the bottom shell and the outer shell are relatively rotated to the locking position, the two can automatically move towards each other to clamp the sealing assembly, and when they are rotated to the unlocking position, the two move in the opposite direction to loosen the sealing assembly.

[0036] Due to the adoption of the above technical solution, the beneficial effects achieved by this application are as follows:

[0037] In the present application, the in vivo blood glucose monitoring device is divided into two modules, among which components with higher sterilization requirements such as the puncture unit and the sensor are concentrated in one module (inside the outer shell). Therefore, before leaving the factory, the cover shell and the bottom shell modules can be sterilized with different processes or levels respectively to avoid damage to electronic components such as the signal processing module of the second electronic unit when the sensor is sterilized.

[0038] When leaving the factory, the bottom shell and the outer shell are already connected. Before use, the user does not need to assemble the outer shell and the bottom shell, nor does he need to unseal the outer shell and the bottom shell separately. At the same time, there is no need to operate the locking piece separately to unlock the trigger unit. The user only needs to take out the sealing assembly along the second direction to achieve sealing contact and unlock the trigger unit. This not only simplifies the internal structure of the monitoring device, but also greatly simplifies the usage steps, reduces learning costs, and improves the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0040] Figure 1 A cross-sectional view of an in-body blood glucose monitoring device according to an embodiment of the present application;

[0041] Figure 2 A cross-sectional view of an in-body blood glucose monitoring device in a state where the sealing assembly is removed along the second direction according to an embodiment of the present application;

[0042] Figure 3 for Figure 2 A cross-sectional view of the in-vivo blood glucose monitoring device, wherein the needle assisting unit moves along a first direction to a release position;

[0043] Figure 4 for Figure 3A cross-sectional view of the in-vivo blood glucose monitoring device, wherein the puncture unit moves along the third direction to the needle withdrawal position;

[0044] Figure 5 This is a schematic structural diagram of a sealing assembly in one embodiment of the present application;

[0045] Figure 6 for Figure 5 A schematic diagram of the structure on the other side of the middle sealing assembly;

[0046] Figure 7 A cross-sectional view of a partial area of ​​an in-body blood glucose monitoring device according to an embodiment of the present application;

[0047] Figure 8 A cross-sectional view of a partial area of ​​an in-body blood glucose monitoring device according to another embodiment of the present application;

[0048] Fig. 9 for Figure 8 A cross-sectional view of a partial area of ​​the in-body blood glucose monitoring device when the middle sealing assembly is removed along the second direction;

[0049] Fig.10 This is a schematic structural diagram of an in-vivo blood glucose monitoring device according to one embodiment of the present application;

[0050] Fig.11 This is a schematic diagram of the structure of a partial area of ​​an in-body blood glucose monitoring device according to an embodiment of the present application;

[0051] Fig.12 This is a schematic structural diagram of a needle-assisting unit in one embodiment of the present application.

[0052] in:

[0053] 1 housing; 11 matching opening; 12 booster; 13 reset member; 14 installation channel; 141 installation opening; 15 elastic claw; 16 matching convex rib; 17 placement groove; 18 fixing protrusion;

[0054] 2 bottom shell; 21 implantation port; 22 fixing groove; 221 locking position; 222 unlocking position; 223 extension section; 23 guide channel;

[0055] 3 sealing assembly; 31 sealing part; 32 holding part; 33 sealing member; 34 connecting member; 341 hook; 35 shielding part;

[0056] 4 in-body monitoring unit; 41 first electronic unit; 42 second electronic unit;

[0057] 5 auxiliary needle unit; 51 clamping portion; 511 fixed section; 512 inclined section; 52 elastic rib position;

[0058] 6 puncture unit;

[0059] 7 locking member; 71 stopping portion; 72 outer flange; 73 accommodating space; 74 pushing member;

[0060] 8 limiting sleeve; 81 limiting channel; 811 clamping section; 812 releasing section; 82 sliding groove;

[0061] 9 trigger unit; 91 trigger button; 92 trigger rib. DETAILED DESCRIPTION

[0062] In order to more clearly illustrate the overall concept of the present application, a detailed description is given below in an illustrative manner in conjunction with the accompanying drawings.

[0063] In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present application is not limited by the specific embodiments disclosed below. It should be noted that the embodiments of the present application and the features in each embodiment may be combined with each other without conflict.

[0064] In addition, in the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", etc. are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0065] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0066] In the present application, unless otherwise clearly specified and limited, a first feature "above" or "below" a second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0067] like Figure 1 , Figure 2 As shown, an in vivo blood glucose monitoring device includes a shell 1, the shell 1 has a first end and a second end, the second end is provided with a matching port 11, and the first end and the second end are arranged opposite to each other along a first direction; a bottom shell 2, the bottom shell 2 is connected to the second end, and the bottom shell 2 is provided with an implantation port 21; an in vivo monitoring unit 4, the in vivo monitoring unit 4 includes a first electronic unit 41 fixed inside the shell 1 and a second electronic unit 42 fixed to the bottom shell 2, the first electronic unit 41 includes a sensor, and the second electronic unit 42 includes a signal processing module; and a sealing component 3, the sealing component 3 abuts against the shell 1 and / or the bottom shell 2 and is located between the first electronic unit 41 and the second electronic unit 42, for sealing the matching port 11; the sealing component 3 can move along the second direction to release the seal of the matching port 11, so that the matching port 11 is connected with the implantation port 21, and the second direction is perpendicular to the first direction.

[0068] In the present application, the needle-assisting unit 5 and the first electronic unit 41 are fixed in the outer shell 1, and the second electronic unit 42 is fixed in the bottom shell 2, so that the in vivo blood glucose monitoring device is divided into two modules, wherein the puncture unit 6, the sensor and other components with high sterilization requirements are concentrated in one module (in the outer shell 1), so before leaving the factory, the two modules of the cover shell and the bottom shell 2 can be sterilized with different processes or levels respectively. After the sterilization is completed, the outer shell 1 and the bottom shell 2 are assembled into one, and the sealing assembly 3 is set in the first electronic unit 41 and the second electronic unit 42 to isolate the internal chambers of the outer shell 1 and the bottom shell 2. Avoid the problem of sensor or electronic component failure during the sterilization process. And when leaving the factory, the bottom shell 2 and the outer shell 1 have been fixed, and the user does not need to fix the bottom shell 2 and the outer shell 1 before use, which reduces the operation steps and improves the user experience.

[0069] In addition, when leaving the factory, the bottom shell 2 and the outer shell 1 have been connected, and a space for disassembly of the sealing component 3 is reserved between the bottom shell 2 and the outer shell 1. In this way, when using, the user does not need to assemble the bottom shell 2 and the outer shell 1, nor does he need to tear off the sealing films on the bottom shell 2 and the outer shell 1 respectively. He only needs to operate the sealing component 3 to move along the second direction to achieve the connection between the inside of the outer shell 1 and the inside of the bottom shell 2. The use steps of the product are greatly simplified, the operation difficulty is reduced, and the operation before the user uses it is simpler and more convenient. In addition, before and after the movement of the sealing component 3, the outer shell 1 and the bottom shell 2 are always coaxially arranged, and only a space is left between the two. In this way, when the sealing component 3 is horizontally withdrawn, the bottom shell 2 can still block the matching port 11 of the outer shell 1. Although the matching port 11 is connected to the external environment, the path for dust, bacteria, etc. to enter the matching port 11 becomes more tortuous due to the blocking of the bottom shell 2, thereby reducing the risk of bacteria entering the inside of the outer shell 1 from the matching port 11, and improving the cleanliness of the components inside the outer shell 1.

[0070] The sealing component 3 moves in a second direction perpendicular to the first direction (implantation direction), so that the movement of the sealing component 3 will not affect the movement of the auxiliary needle unit 5 inside the housing 1, thereby reducing the risk of interference between the sealing component 3 and the auxiliary needle unit 5 in the implantation movement, and ensuring that after the sealing component 3 contacts the seal, the auxiliary needle unit 5 can be reliably implanted.

[0071] It should be noted that the first direction is along the axial direction of the housing 1 toward the mating opening 11, and the second direction can be along the radial direction of the housing 1, or along a direction not passing through the axis of the housing 1, as long as it is perpendicular to the first direction. Figure 1 As shown, when the housing 1 is placed vertically, the first direction is the vertical downward direction, and the second direction only needs to be along the horizontal direction, which is not limited here.

[0072] In addition, as long as the sealing component 3 abuts against at least one of the outer shell 1 and the bottom shell 2, the sealing of the mating port 11 can be achieved. That is, the sealing component 3 can abut against the second end of the outer shell 1, or against the bottom shell 2, or against the outer shell 1 on one side and against the bottom shell 2 on the other side.

[0073] It should also be noted that the present application does not limit the way in which the sealing component 3 is unsealed. In a preferred embodiment, the sealing component 3 can move along the second direction to be removed from between the outer shell 1 and the bottom shell 2. At this time, the sealing component 3 is completely separated from the assembly composed of the outer shell 1 and the bottom shell 2, and the user can directly discard the removed sealing component 3. In other embodiments, the sealing component 3 may not be completely removed. For example, the user only needs to operate the sealing component 3 to move it a certain distance along the second direction, so that it is separated from the abutment with the outer shell 1 and / or the bottom shell 2, and the matching port 11 and the implantation port 21 are connected, without taking out the sealing component 3 completely. At this time, the sealing component 3 still remains on the assembly formed by the outer shell 1 and the bottom shell 2, but it is not abutted with the outer shell 1 and the bottom shell 2, and it avoids the matching port 11 and the implantation port 21, so that the matching port 11 and the implantation port 21 are connected. In this way, the user does not have to dispose of the sealing component 3 separately, and can discard and recycle the whole after the implantation is completed.

[0074] As a preferred implementation of the present application, Figure 2 , Figures 7 to 9 As shown, a mounting channel 14 for at least partially accommodating the sealing assembly 3 is provided between the outer shell 1 and the bottom shell 2 , and the mounting channel 14 has a mounting opening 141 penetrating the outer shell 1 and / or the bottom shell 2 along the second direction.

[0075] The installation opening 141 allows the sealing component 3 to enter and exit the installation channel 14. When installing the sealing component 3 before leaving the factory, at least a portion of the sealing component 3 is extended into the installation channel 14 through the installation opening 141, and abuts against the outer shell 1 or the bottom shell 2 to seal the matching opening 11. Before use, the user takes the sealing component 3 out of the installation opening 141 horizontally, so that the matching opening 11 is connected to the implantation opening 21, and the in-body blood glucose monitoring device enters a state of waiting for implantation.

[0076] This embodiment does not limit the formation method of the installation opening 141. Preferably, Figure 2 , Fig. 9 , Fig.11 As shown, at least one of the second end of the housing 1 and the bottom housing 2 is provided with an avoidance groove, and the avoidance groove cooperates to form a mounting opening 141, that is, the mounting opening 141 is formed by the cooperation of the housing 1 and the bottom housing 2. Of course, the mounting opening 141 can also be separately opened on the housing 1 or the bottom housing 2.

[0077] Specifically, Fig. 9 , Fig.11 As shown, the outer wall of the housing 1 is provided with a mating rib 16 protruding outward, and the mating rib 16 cooperates with the bottom housing 2 to form a mounting opening 141 .

[0078] It should be noted that the user can take out the sealing assembly 3 through the installation opening 141. However, the present application does not limit the installation method of the sealing assembly 3 before delivery. In one embodiment, the sealing assembly 3 is also installed through the installation opening 141. Before delivery, the assembler can first assemble the outer shell 1 and the bottom shell 2, and then insert the sealing assembly 3 into the installation channel 14 from the installation opening 141 in a direction opposite to the second direction, so that the sealing assembly 3 abuts against the outer shell 1 and / or the bottom shell 2 to form a seal.

[0079] In another embodiment, when assembling the outer shell 1 and the bottom shell 2 , the assembler simultaneously installs the sealing assembly 3 between the two and adjusts the positions of the outer shell 1 and the bottom shell 2 to clamp the sealing assembly 3 to form a seal.

[0080] Furthermore, if Figure 1 , Figure 7 , Figure 8 As shown, the sealing assembly 3 includes a sealing portion 31 and a holding portion 32 extending from the sealing portion 31 , and the holding portion 32 protrudes out of the installation opening 141 .

[0081] The sealing portion 31 is located inside the installation channel 14, and abuts against the outer shell 1 and / or the bottom shell 2 to seal the mating opening 11. The gripping portion 32 is located outside the installation opening 141, and is used as a handle for installing and removing the sealing component 3. The sealing component 31 can be inserted into the installation channel 14 or taken out from the installation channel 14 by grabbing the gripping portion 32. This facilitates the grabbing and operation of the sealing component 3, reduces the difficulty of operation, and the gripping portion 32 is exposed on the product appearance surface, which can also play an obvious prompting effect on the user, guiding the user to take out the sealing component 3 in the correct direction and operation, making the operation simpler and clearer, and improving the user experience.

[0082] Preferably, if Figure 8 , Fig.10 , Fig.12 As shown, the appearance surface of the grip portion 32 is flush with the bottom shell 2 and / or the outer shell 1. On the one hand, it makes the overall appearance of the in-body blood glucose monitoring device more uniform and flat, reducing the abruptness. On the other hand, it avoids the grip portion 32 protruding and causing the sealing component 3 to be offset or the seal to fail due to collision during transportation and storage.

[0083] In a preferred embodiment, Figure 1 , Figure 5 , Figure 6 As shown, the sealing assembly 3 includes a connecting member 34 and a sealing member 33 fixed to the connecting member 34 . The sealing member 33 abuts against the housing 1 to seal the mating opening 11 .

[0084] The seal 33 is fixed to the connector 34, and the connector 34 serves as a carrier of the seal 33. The user can adjust the position of the seal 33 by operating the connector 34, so that the seal 33 abuts against the outer shell 1 or the bottom shell 2 to seal or loosen. Since the seal 33 is mostly made of elastic material, the material is relatively soft and easy to deform, it is difficult to directly operate the seal 33. The connector 34 can limit the shape and position of the seal 33, which is convenient for operation. It can also limit the seal 33 so that the seal 33 maintains a preset posture, thereby forming a stable seal with the outer shell 1 or the bottom shell 2, and avoiding excessive deformation of the seal 33 to affect the sealing effect.

[0085] Specifically, Figure 5 , Figure 6 As shown, the connector 34 has a shielding portion 35 that shields the mating opening 11, and a mounting groove surrounding the outer periphery of the shielding portion 35. The seal 33 is disposed in the mounting groove, and the mounting groove forms a limit for the seal 33 to prevent the seal 33 from being displaced when being squeezed. The connector 34 is also provided with a hook 341, and the seal 33 cooperates with the hook 341 to fix the seal 33 on the connector 34 to prevent it from falling off. Of course, the seal 33 can also be fixed to the connector 34 by other means, such as gluing, screws, etc., which are not limited here.

[0086] As a preferred implementation of the present application, Figure 1 , Figure 2 , Figures 7 to 9 As shown, the outer shell 1 and the bottom shell 2 can rotate relative to each other to have a first relative position and a second relative position. In the first relative position, the sealing assembly 3 seals the mating opening 11 , and in the second relative position, the sealing assembly 3 releases the seal.

[0087] When leaving the factory, the assembler installs the sealing assembly 3 in place and adjusts the outer shell 1 and the bottom shell 2 to the first relative position so that the sealing assembly 3 seals the mating opening 11. Before use, the user rotates the bottom shell 2 and the outer shell 1 relative to each other to switch to the second relative position. At this time, the sealing assembly 3 releases the seal, and the friction resistance between the sealing assembly 3 and the outer shell 1 or the bottom shell 2 is reduced. The user can easily remove the sealing assembly 3. At the same time, the rotation operation is simpler and more convenient, and the use is also more convenient.

[0088] Further, at the first relative position, there is a first distance between the outer shell 1 and the bottom shell 2 , and at the second relative position, there is a second distance between the outer shell 1 and the bottom shell 2 , and the first distance is smaller than the second distance.

[0089] The bottom shell 2 and the outer shell 1 can rotate relative to each other, so as to move toward each other to clamp the sealing component 3, or move in the opposite direction to loosen the sealing component 3. In the first relative position, the first spacing between the outer shell 1 and the bottom shell 2 is small, and a clamping force is formed on the sealing component 3. Under the action of the extrusion force, the sealing component 3 is tightly abutted against the outer shell 1 and / or the bottom shell 2 to form a stable seal. When the outer shell 1 and the bottom shell 2 rotate relative to each other to the second relative position, the second spacing between the two is large, so that the clamping force of the outer shell 1 and the bottom shell 2 on the sealing component 3 is reduced, or the clamping of the sealing component 3 is lost. At this time, the user can easily take out the sealing component 3, and the friction resistance encountered during the removal process is also small, and the operation is more labor-saving.

[0090] Preferably, if Figure 8 As shown, the sealing assembly 3 includes a sealing portion 31 clamped between the outer shell 1 and the bottom shell 2 , and a thickness H2 of the sealing portion 31 is greater than or equal to the first distance H1 .

[0091] The thickness H2 of the sealing part 31 is greater than or equal to the first spacing H1, so that when the outer shell 1 and the bottom shell 2 are in the first relative position, the two can squeeze the sealing part 31 on both sides of the sealing part 31 to ensure the sealing effect of the sealing part 31, and a large friction resistance is formed between the three to limit the movement of the sealing component 3, so as to avoid the sealing component 3 being mistakenly taken out in advance during transportation or storage, affecting the cleaning of the inside of the outer shell 1 or even causing the product to be scrapped. Only when the user rotates the bottom shell 2 and the outer shell 1 to the second relative position, the squeezing force of the two on the sealing component 3 is reduced, and the sealing part 31 can move along the second direction.

[0092] In a preferred embodiment, Fig.10 , Fig.11 As shown, the housing 1 is provided with a fixing protrusion 18, and the bottom shell 2 is provided with a fixing groove 22. The fixing groove 22 has a locking position 221 and an unlocking position 222 which are spaced apart in the circumferential direction. In the first direction, there is a height difference between the locking position 221 and the unlocking position 222.

[0093] The fixing protrusion 18 cooperates with the fixing groove 22, and can slide in the fixing groove 22 when the bottom shell 2 and the outer shell 1 rotate relative to each other, thereby providing a motion guide for the rotation of the bottom shell 2 and the outer shell 1, regulating the user's operation, so that the user can only relatively rotate the bottom shell 2 and the outer shell 1, and cannot operate by pressing or other methods. There is a height difference between the locking position 221 and the unlocking position 222 of the fixing groove 22, so that the relative rotation of the bottom shell 2 and the outer shell 1 can be converted into the axial movement of the two by the guidance of the fixing groove 22, so that when the bottom shell 2 and the outer shell 1 are relatively rotated to the locking position 221, the two can automatically move toward each other to clamp the sealing component 3, and when they are rotated to the unlocking position 222, the two move in the opposite direction to loosen the sealing component 3.

[0094] In other embodiments, the fixing protrusion 18 may also be provided on the bottom shell 2 , and correspondingly, the fixing groove 22 may be provided on the outer shell 1 .

[0095] Preferably, if Fig.10 , Fig.11 As shown, one end of the bottom shell 2 is sleeved on the outside of the second end of the outer shell 1, and the fixing groove 22 is a through groove that passes through the side wall of the bottom shell 2, so that the user can see the position of the fixing protrusion 18 in the fixing groove 22 from the outside, thereby being able to directly know the status of the sealing assembly 3.

[0096] Furthermore, if Fig.11 As shown, the fixing groove 22 further includes an extension section 223 disposed between the locking position 221 and the unlocking position 222 , and the extension section 223 has a guide surface for smoothly connecting the locking position 221 and the unlocking position 222 .

[0097] The extension section 223 smoothly connects the unlocking position 222 and the locking position 221, making the switching of the fixing protrusion 18 between the locking position 221 and the unlocking position 222 smoother, reducing the friction resistance between the fixing protrusion 18 and the inner wall of the fixing groove 22, and also reducing the sticking feeling generated when the fixing protrusion 18 moves relative to the fixing groove 22, making the user operation more labor-saving.

[0098] Specifically, Fig.11 As shown, the fixing protrusion 18 is configured to be cylindrical, and the inner wall of the fixing groove 22 is provided with contact arc surfaces adapted to the outer surface of the fixing protrusion 18 at the unlocking position 222 and the locking position 221 .

[0099] The cylindrical fixing protrusion 18 can reduce the friction between the fixing groove 22 and the groove wall, so that the fixing protrusion 18 moves more smoothly in the fixing groove 22, the user can operate more labor-saving, and reduce the feeling of sticking. The unlocking position 222 and the locking position 221 are provided with contact arc surfaces, so that they can better engage with the fixing protrusion 18 and limit the fixing protrusion 18 to the unlocking position 222 or the locking position 221.

[0100] In other embodiments, the fixing protrusion 18 may also be in other shapes, and the shape of the contact surface is adjusted according to the shape of the outer surface of the fixing protrusion 18 so that the shapes of the two are adapted to form a snap fit.

[0101] The contact arc surface may be provided on the groove wall on one side of the fixing groove 22 , or may be provided on the groove walls on both sides, which is not limited here.

[0102] Furthermore, the bottom shell 2 is further provided with a guide channel 23 which is connected to the fixing groove 22 and at least partially penetrates the bottom shell 2 in the first direction. The fixing protrusion 18 can enter the fixing groove 22 from the guide channel 23 .

[0103] The guide channel 23 allows the fixing protrusion 18 to enter or slide out of the fixing groove 22. When assembling the outer shell 1 and the bottom shell 2, the fixing protrusion 18 is first slid into the fixing groove 22 from the guide channel 23 along a first direction, and then the bottom shell 2 and the outer shell 1 are rotated relative to each other to rotate the fixing protrusion 18 to the locking position 221.

[0104] In a preferred embodiment, Figure 1 , Figure 8 As shown, a trigger unit 9 is provided at the first end, and a locking member 7 is also provided inside the housing 1 . The locking member 7 is used to abut between the trigger unit 9 and the sealing assembly 3 to prevent the trigger unit 9 from moving toward the direction close to the sealing assembly 3 .

[0105] The locking member 7 can form a motion limit for the trigger unit 9, and the limit unit cannot move, so that the in-body blood glucose monitoring device cannot be triggered, which plays a role in preventing false triggering before the product is used. And the locking member 7 abuts against the sealing component 3, so that the sealing component 3 forms a motion limit for the locking member 7. In other words, when the sealing component 3 is in a sealed state, the locking member 7 will abut against the trigger unit 9 so that the device cannot be triggered. Only when the user operates the sealing component 3 to move to a position that is out of the seal, the sealing component 3 loses the restriction on the locking member 7, the locking member 7 moves, and thus loses the restriction on the trigger unit 9, and the trigger unit 9 can be triggered at this time. In this way, the sealing component 3 is associated with the state of the locking member 7 to ensure that the device can only be triggered after the user takes out the sealing component 3, which greatly reduces the probability of the device being scrapped due to false triggering due to collision or extrusion before use, and improves product reliability.

[0106] In this way, the sealing assembly 3 of the present application can not only play a sealing role, but also cooperate with the locking member 7 to prevent the trigger unit 9 from being triggered by mistake. It has multiple uses, simplifies the internal structure of the device, and saves costs.

[0107] Specifically, Figure 1 , Figure 2 , Figure 8 , Fig. 9 As shown, the locking member 7 extends along the first direction to have an action end and a stop end, the action end is used to abut and cooperate with the sealing assembly 3, and the stop end is used to lock the trigger unit 9.

[0108] The locking member 7 extends along the first direction so that one end is located at the first end and abuts against the trigger unit 9, and the other end is located at the second end and abuts against the sealing assembly 3. Under the abutment force of the sealing assembly 3 on the action end, the stop end is firmly abutted against the trigger unit 9, so that the trigger unit 9 cannot move. When the sealing assembly 3 is taken out, the action end loses the abutment so that the locking member 7 moves along the first direction as a whole, the stop section is disengaged from the abutment with the trigger unit 9, and the trigger unit 9 loses the restriction so that it can be triggered and moves along the first direction.

[0109] Specifically, Figure 1 , Figure 2 As shown, a support member is also provided inside the housing 1, and at least part of the support member and the trigger unit 9 cooperate to form a sliding groove 82 extending along the first direction, and the stop end has a stop portion 71, and the stop portion 71 is located in the sliding groove 82. When the stop portion 71 is in the locking position, it abuts against the trigger unit 9. When the stop portion 71 moves along the first direction to the release position, it is separated from the trigger unit 9 and rests on the support member, forming a movement limit for the locking member 7 along the first direction to prevent the locking member 7 from slipping. Therefore, the length of the sliding groove 82 along the first direction is the movement stroke of the locking member 7.

[0110] Preferably, if Figure 1 As shown, a limiting sleeve 8 is arranged in the housing 1, and the auxiliary needle unit 5 is located in a limiting channel 81 in the limiting sleeve 8, and the limiting sleeve 8 constitutes a supporting member.

[0111] Specifically, Figure 2 , Figure 3 As shown, the shell 1 is internally provided with an auxiliary needle unit 5 for carrying the puncture unit 6 to move along the first direction to perform the implantation operation, the trigger unit 9 includes a trigger button 91 and a trigger rib 92, the trigger button 91 is fixed to the shell 1, and the shell 1 is internally provided with an elastic claw 15 which cooperates with the stopper of the auxiliary needle unit 5, the elastic claw 15 surrounds the outer side of the trigger rib 92, when the user presses the trigger button 91 along the first direction, the trigger rib 92 squeezes the elastic claw 15 to expand and deform or move outward, thereby loosening from the auxiliary needle unit 5, and completing the release of the auxiliary needle unit 5.

[0112] Furthermore, the trigger rib 92 forms a first accommodating channel, and a second accommodating channel is provided inside the auxiliary needle unit 5. A booster 12 for driving the auxiliary needle unit 5 to move in a first direction is provided in the first accommodating channel, and a reset member 13 for driving the puncture unit 6 to move in a third direction opposite to the first direction is provided in the second accommodating channel. The reset member 13 and the booster 12 are coaxially arranged. In this way, the movement and deformation of the booster 12 and the reset member 13 are limited within the two channels, and the movement guidance of the booster 12 and the reset member 13 is improved, so that the puncture unit 6 moves smoothly and reduces shaking.

[0113] Preferably, the boosting member 12 and the restoring member 13 are both springs.

[0114] It should be noted that the present application does not limit the driving method for the locking member 7 to move along the first direction after the sealing component 3 is taken out. In one embodiment, when in use, the housing 1 is placed vertically and the implant port 21 is against the user's skin surface. When the sealing component 3 is taken out, the locking member 7 loses its upward support and then falls along the first direction under the action of its own gravity, thereby unlocking the trigger unit 9.

[0115] In another embodiment, if Figures 1 to 4 , Figures 8 to 9 As shown, a pushing member 74 is further provided in the housing 1 , and the pushing member 74 is used to apply a pushing force toward a first direction to the locking member 7 .

[0116] The pusher 74 applies a force toward the first direction to the locking member 7, so that when the locking member 7 abuts against the sealing assembly 3, the pusher 74 is in a force storage state. When the sealing assembly 3 loses its abutment against the locking member 7, the pusher 74 is released, pushing the locking member 7 to move quickly along the first direction, and losing the movement restriction on the trigger unit 9. In this way, after the sealing assembly 3 is taken out, the locking member 7 can react quickly and unlock the trigger unit 9. The responsiveness of the locking member 7 is improved, the waiting time of the user is reduced, and the duration of the entire implantation process is shortened, making the implantation process smoother and improving the user experience.

[0117] Furthermore, the push member 74 is disposed between the inner wall of the housing 1 and the outer wall of the locking member 7. Figure 8 , Fig. 9 As shown, the housing 1 is provided with a placement groove 17 on the inner wall at the second end, and the locking member 7 is provided with an outer flange 72 at one end facing the implantation port 21 to form a receiving space 73 for accommodating a push member 74, one end of the push member 74 abuts against the top wall of the placement groove 17, and the other end abuts against the outer flange 72.

[0118] Preferably, the pushing member 74 is a spring to save costs.

[0119] As a preferred implementation of the present application, Figures 1 to 4 As shown, the in vivo blood glucose monitoring device also includes an auxiliary needle unit 5 and a puncture unit 6 arranged inside the shell 1, and a trigger unit 9 is arranged at the first end. The trigger unit 9 is triggered once, and the auxiliary needle unit 5 drives the puncture unit 6 to move along the first direction to electrically connect the two electronic units and insert the sensor part into the host.

[0120] After the user performs a trigger operation, the first electronic unit 41 can move along the first direction with the auxiliary needle unit 5 and the puncture unit 6. When the puncture unit 6 carries the sensor inside the first electronic unit 41 and pierces the host body, the first electronic unit 41 and the second electronic unit 42 are electrically connected synchronously. In this way, a trigger operation is achieved, and the assembly of the in-body monitoring unit 4, the electrical connection between the first electronic unit 41 and the second electronic unit 42, and the implantation of the sensor are completed at the same time. This greatly simplifies the operation steps of the user during the implantation process, reduces the difficulty of product operation, and reduces the user's learning cost. At the same time, it also shortens the time of the entire implantation stage, which helps to reduce the fear of the user while waiting for the implantation.

[0121] When using the in vivo blood glucose monitoring device of the present application, the user only needs to perform a trigger operation once to simultaneously realize the electrical connection between the first electronic unit 41 and the second electronic unit 42 and the implantation of the sensor, thereby completing the entire implantation process and improving the user experience.

[0122] It should be noted that the present application does not limit the time sequence of the electrical connection between the first electronic unit 41 and the second electronic unit 42, and the insertion of the sensor part into the host body. For example, in the process of the auxiliary needle unit 5, the puncture unit 6 and the first electronic unit 41 moving together along the first direction, the first electronic unit 41 and the second electronic unit 42 may be electrically connected first, at which time the auxiliary needle unit 5 and the puncture unit 6 have not yet moved into place, and as the movement continues, the puncture unit 6 is inserted into the host body to complete the implantation, that is, the electrical connection between the first electronic unit 41 and the second electronic unit 42 occurs before the puncture unit 6 is inserted into the host body. For another example, in the process of the auxiliary needle unit 5, the puncture unit 6 and the first electronic unit 41 moving together along the first direction, the puncture unit 64 is inserted into the host body first, at which time the auxiliary needle unit 5 and the puncture unit 6 have not yet moved into place, and as the movement continues, the first electronic unit 41 and the second electronic unit 42 are electrically connected, that is, the insertion of the puncture unit 6 into the host body occurs before the electrical connection between the first electronic unit 41 and the second electronic unit 42. In addition, the above two steps may also occur simultaneously.

[0123] However, no matter which of the above examples is used, the user only needs to perform a single trigger operation and does not need to perform additional operations. Therefore, the situations in the above examples are all within the protection scope of the present application.

[0124] Preferably, the in vivo blood glucose monitoring device of the present application also includes a bottom cover detachably connected to the bottom shell 2, and the bottom cover covers the implantation port 21. When leaving the factory, the bottom cover, the outer shell 1, and the bottom shell 2 together form a sealed cavity. Before use, the user first removes the bottom cover from the bottom shell 2 to expose the implantation port 21, and then places the implantation port 21 against the skin surface to perform the implantation operation.

[0125] It should be noted that the present application does not limit the driving and limiting structure of the needle-assisting unit 5 on the puncture unit 6. In a preferred embodiment, Figures 1 to 4As shown, the in vivo blood glucose monitoring device also includes a needle-assisting unit 5 and a puncture unit 6 arranged inside the shell 1. The needle-assisting unit 5 includes at least two clamping parts 51. The clamping part 51 is located on the outside of the puncture unit 6 to limit the movement of the puncture unit 6 relative to the clamping part 51. A limiting sleeve 8 is also arranged inside the shell 1. The limiting sleeve 8 has a limiting channel 81 extending along a first direction. The clamping part 51 is located in the limiting channel 81 and can move in the limiting channel 81 along the first direction; when the clamping part 51 moves to a release position relative to the limiting channel 81, the clamping part 51 releases the puncture unit 6, so that the puncture unit 6 moves along a third direction relative to the clamping part 51, and the third direction is opposite to the first direction.

[0126] The clamping part 51 limits the puncture unit 6 by clamping and fixing in the limiting channel 81. Under the abutment of the inner wall of the outer limiting channel 81, the clamping part 51 tightly clamps the puncture unit 6, so that the relative position of the puncture unit 6 and the auxiliary needle unit 5 remains unchanged. The clamping force can not only drive the trigger unit 9 to drive the puncture unit 6 when the auxiliary needle unit 5 is triggered, and carry the puncture unit 6 to move along the first direction, but also firmly fix the puncture unit 6 to limit the puncture unit 6, prevent the puncture unit 6 from being released in advance and withdrawing the needle, and ensure that the whole implantation process is carried out reliably and orderly. As the clamping part 51 moves along the first direction, at least part of the clamping part 51 slides out of the limiting channel 81, thereby losing the squeezing of the inner wall of the limiting channel 81, and the clamping force of the clamping part 51 on the puncture unit 6 is weakened, so that the puncture unit 6 loses the restriction of the auxiliary needle unit 5 and is released, and then moves along the third direction to complete the withdrawal of the needle.

[0127] By clamping and releasing the puncture unit 6 from the outside by the clamping portion 51, the driving of the puncture unit 6 and the restriction and triggering of the needle withdrawal movement are realized, so that the structural design of the needle-assisting unit 5 and the puncture unit 6 is simpler, and there is no need to set a complex stop structure on the two. The position requirements of each component are reduced, and the processing accuracy and assembly accuracy requirements are reduced, thereby reducing the production difficulty and improving the production efficiency. In addition, on the path of the puncture unit 6 moving along the first direction to insert the needle and moving along the third direction to withdraw the needle, there will be no structure perpendicular to the first direction to interfere with its movement, thereby improving the stability and smoothness of the puncture unit 6 during the movement, so that the puncture unit 6 moves smoothly, and the switching process of inserting and withdrawing the needle is also more streamlined, and there will be no jamming feeling. In addition, the shaking generated when the puncture unit 6 moves is also reduced, so that the puncture unit 6 moves more smoothly along the axial direction of the housing 1, reducing the pain of the user during use.

[0128] Preferably, there are two clamping parts 51 arranged oppositely on both sides of the puncture unit 6, and the two clamping parts 51 can move inward together to clamp the puncture unit 6, and expand outward together to release the puncture unit 6. Of course, there can be more than two clamping parts 51, and they can be evenly spaced along the circumference of the puncture unit 6 to improve the deformation ability of the clamping parts 51 and form a stable and uniform clamping force on the puncture unit 6. The limiting sleeve 8 is sleeved on the outside of the clamping part 51.

[0129] It should be noted that the present application does not limit the cross-sectional shape of the limiting sleeve 8. Preferably, the limiting sleeve 8 is cylindrical with a circular cross-section. It may also be other shapes, such as a rectangular, triangular, polygonal, etc. cross-section, which is not limited here.

[0130] Preferably, if Figure 3 As shown, the limiting sleeve 8 includes a clamping section 811 and a releasing section 812. In the first direction, the cross-sectional area of ​​the clamping section 811 is the same, and the cross-sectional area of ​​the releasing section 812 gradually increases. The clamping portion 51 includes an inclined section 512 and a fixed section 511. In the first direction, the cross-sectional area of ​​the fixed section 511 is the same, and the cross-sectional area of ​​the inclined section 512 gradually increases.

[0131] Specifically, Figure 3 As shown, the release section 812 is disposed at one end of the clamping section 811 facing the second end, and the inclined section 512 is disposed at one end of the fixing section 511 facing the first end.

[0132] like Figure 2 , Figure 3 As shown, when the clamping portion 51 and the puncture unit 6 are in the initial position, they are both located in the clamping section 811 of the limiting sleeve 8. The fixing section 511 of the clamping portion 51 is squeezed inward by the clamping section 811 and tightly clamps the puncture unit 6. The cross-sectional areas of the clamping section 811 and the fixing section 511 along the first direction are the same, thereby forming a uniform squeezing force on the clamping portion 51, so that it clamps the puncture unit 6 more stably. As the auxiliary needle unit 5 carries the puncture unit 6 and moves along the first direction to the release section 812, as shown in FIG. Figure 3 As shown, at this time, the position of the inclined section 512 corresponds to the release section 812. Figure 3 As shown, the cross-sectional area of ​​the release section 812 gradually increases, thereby forming a guide surface on the side facing the auxiliary needle unit 5, and the cross-sectional area of ​​the inclined section 512 of the clamping portion 51 also gradually increases along the first direction to form a mating surface. The guide surface and the mating surface cooperate to guide the clamping portion 51 to expand outward, thereby releasing the puncture unit 6.

[0133] The change in the cross-sectional area of ​​the release section 812 along the first direction can guide the clamping part 51 to expand outward, so the release section 812 is set at the end of the limiting channel 81, so that the puncture unit 6 is released only when at least part of the clamping part 51 moves to the end of the limiting channel 81 along the first direction, and before that, the clamping part 51 firmly clamps the puncture unit 6. In this way, it can be ensured that the needle withdrawal action is triggered only when the puncture unit 6 completes the needle insertion action, avoiding the puncture unit 6 being released in advance and causing the needle withdrawal action to be triggered in advance, ensuring that the entire implantation process is carried out in an orderly manner and improving product reliability.

[0134] Preferably, the clamping portion 51 can be made of a material with a certain elastic deformation ability such as plastic, which can clamp the puncture unit 6 when squeezed by the inner wall of the limiting sleeve 8, and can also expand outward to release the puncture unit 6 when guided by the release section 812. The clamping portion 51 can also be made of a material with greater elasticity such as silicone, so that it can deform more quickly and with a greater deformation amplitude, thereby triggering the needle withdrawal action in time.

[0135] It should be noted that the deformation mentioned here refers to the deformation of the clamping portion 51 as a whole, which causes at least a part of the clamping portion 51 to move away from the puncture unit 6. In other words, the clamping and release of the puncture unit 6 by the clamping portion 51 is achieved by movement, and the purpose of the deformation is to cause the clamping portion 51 to move.

[0136] In other embodiments, the auxiliary needle unit 5 may also be provided with a stop structure, through which the stop structure abuts against one end of the puncture unit 6 toward the first end to push the puncture unit 6 to move, and at the same time, an unlocking structure is provided on the movement path of the stop structure, so that after the auxiliary needle unit 5 moves to the release position, it is abutted by the unlocking structure and moves or deforms, loosens from the puncture unit 6, and releases the puncture unit 6, which is not limited here.

[0137] It should be noted that the present application does not limit the fixed position of the first electronic unit 41. In a preferred embodiment, Figure 1 , Fig.12 As shown, the first electronic unit 41 is fixed to the auxiliary needle unit 5 .

[0138] Furthermore, the first electronic unit 41 is interference fit with the auxiliary needle unit 5. Specifically, the auxiliary needle unit 5 is provided with a plurality of elastic ribs 52, which clamp the first electronic unit 41 together. When the clamping portion 51 expands outward, the elastic ribs 52 loosen the first electronic unit 41.

[0139] Of course, the first electronic unit 41 can also be fixed to the auxiliary needle unit 5 by other means such as snap connection. Alternatively, a fixing structure can be provided on other components or the housing 1 to fix the first electronic unit 41, as long as the first electronic unit 41 can move along the first direction with the auxiliary needle unit 5.

[0140] In addition, the present application does not limit the fixing method of the second electronic unit 42 and the bottom shell 2, and it can also be fixed by interference fit, snap connection, etc.

[0141] Preferably, the first electronic unit 41 and the second electronic unit 42 can be fixed along the first direction, so as to be assembled to form a complete in-body monitoring unit 4 during the implantation process.

[0142] like Figures 1 to 4 As shown, the second electronic unit 42 is arranged at the implantation port 21, and its adhesive layer is flush with the implantation port 21. When the user presses the implantation port 21 against the skin surface, the adhesive layer adheres to the skin. As the first electronic unit 41 moves along the first direction, it is assembled with the second electronic unit 42. Under the driving force of the first electronic unit 41 along the first direction, the second electronic unit 42 is pressed toward the skin to firmly adhere the adhesive layer to the skin. As the outer shell 1 and the bottom shell 2 are removed, the second electronic unit 42 is separated from the bottom shell 2.

[0143] Of course, the second electronic unit 42 can also be set at a certain distance from the implantation port 21. When the first electronic unit 41 moves to the second electronic unit 42, the two are assembled and electrically connected, and then the second electronic unit 42 is separated from the bottom shell 2 under the push of the first electronic unit 41, and the in-body monitoring unit 4 continues to move as a whole along the first direction until the adhesive layer of the second electronic unit 42 is fixed to the host skin.

[0144] In a preferred embodiment, the first electronic unit 41 further includes a battery, and the battery can be electrically connected to the second electronic unit 42 .

[0145] The main function of the battery is to supply power to the signal processing module. Before the user triggers the implantation, the first electronic unit 41 and the second electronic unit 42 are separated, so the battery is not electrically connected to the signal processing module. Only when the user triggers the implantation, the battery is electrically connected to the signal processing module. This can reduce the energy loss of the battery before the user uses it and increase the storage time.

[0146] Anything not described in this application can be achieved by adopting or drawing on existing technologies.

[0147] The various embodiments in this specification are described in a progressive manner, and the same or similar parts between the various embodiments can be referenced to each other, and each embodiment focuses on the differences from other embodiments.

[0148] The above is only an embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. An in vivo blood glucose monitoring device, characterized in that: include: A housing, the housing having a first end and a second end disposed opposite to each other along a first direction, the second end being provided with a mating opening; A trigger unit, disposed at the first end; A bottom shell, the bottom shell is connected to the second end, and the bottom shell is provided with an implantation port; An on-body monitoring unit, the on-body monitoring unit comprising a first electronic unit fixed inside the housing and a second electronic unit fixed to the bottom housing, the first electronic unit comprising a sensor, and the second electronic unit comprising a signal processing module; a sealing assembly having a first position located between the first electronic unit and the second electronic unit to seal the mating port, and a second position moved in a second direction to connect the mating port with the implant port, the second direction being perpendicular to the first direction; A locking member, disposed inside the housing and abutting between the trigger unit and the sealing assembly; In the first position, the locking member abuts against the sealing assembly to prevent the trigger unit from moving, and in the second position, the locking member disengages from the sealing assembly to unlock the trigger unit.

2. The in vivo blood glucose monitoring device according to claim 1, characterized in that: The locking member has a locking position for locking the movement of the trigger unit and an unlocking position for unlocking the trigger unit, and the locking member can move along the first direction to switch from the locking position to the unlocking position.

3. The in vivo blood glucose monitoring device according to claim 2, characterized in that: A support member is also provided inside the shell, and the support member and at least part of the trigger unit cooperate to form a sliding groove extending along the first direction. The locking member includes a stop portion located in the sliding groove, and the sliding groove has a stop position abutting against the trigger unit and a release position for releasing the stop from the trigger unit, and the stop portion can move between the stop position and the release position.

4. The in vivo blood glucose monitoring device according to claim 1, characterized in that: A pushing member is also provided inside the shell, and a placement groove recessed along the second direction is provided on the inner wall of the shell. The locking member is located in the placement groove and cooperates with the groove wall of the placement groove to form an accommodating space for accommodating the pushing member.

5. The in vivo blood glucose monitoring device according to claim 1, characterized in that: The locking member is folded toward one end of the fitting opening to form an outer flange, and the outer flange has a contact plane, and the contact plane abuts against the sealing component for sealing.

6. The in-vivo blood glucose monitoring device according to claim 1, characterized in that: The in vivo blood glucose monitoring device also includes an auxiliary needle unit and a puncture unit arranged inside the shell. When the sealing assembly is in the second position, the trigger unit is triggered once, and the auxiliary needle unit drives the puncture unit to move along the first direction to electrically connect the first electronic unit and the second electronic unit, and to pierce the sensor part into the host.

7. The in-vivo blood glucose monitoring device according to claim 6, characterized in that: A limiting sleeve is also arranged inside the shell, and the limiting sleeve has a limiting channel extending along the first direction. The needle-assisting unit includes at least two clamping parts, and the clamping parts are located outside the puncture unit to limit the movement of the puncture unit relative to the clamping parts. The clamping parts are located in the limiting channel and can move in the first direction in the limiting channel; when the clamping parts move to a release position relative to the limiting channel, the clamping parts release the puncture unit so that the puncture unit moves along a third direction relative to the clamping parts, and the third direction is opposite to the first direction.

8. The in vivo blood glucose monitoring device according to claim 1, characterized in that: The housing is further provided with an auxiliary needle unit and a puncture unit, the auxiliary needle unit can move along the first direction to perform the implantation operation, the trigger unit includes a trigger button and a trigger rib extending along the first direction, the trigger rib surrounds a first installation channel, and an auxiliary pusher for driving the auxiliary needle unit to move is provided in the first installation channel; A second installation channel is arranged inside the needle-assisting unit, and a reset member for driving the puncture unit to move in a direction opposite to the first direction is arranged in the second installation channel.

9. The in-vivo blood glucose monitoring device according to claim 1, characterized in that: The outer shell and the bottom shell can rotate relative to each other to have a first relative position and a second relative position. In the first relative position, the outer shell and the bottom shell squeeze the sealing assembly to seal the mating port. In the second relative position, the outer shell and the bottom shell loosen the sealing assembly.

10. The in-vivo blood glucose monitoring device according to claim 9, characterized in that: One of the outer shell and the bottom shell is provided with a fixing protrusion, and the other of the two is provided with a fixing groove, and the fixing groove has a locking position and an unlocking position arranged at intervals in the circumferential direction. In the first direction, there is a height difference between the locking position and the unlocking position.

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