Compact body fluid analyte detection device

Abstract

According to the compact body fluid analyte detection device, an emitter is in releasable connection with a bottom shell, after a user installs the disposable bottom shell on the skin surface, the reusable emitter is assembled on the bottom shell, and then the complete analyte detection device can be formed; the transmitter is electrically connected with the sensor through the conductive adhesive tape to transmit signals, the first electric connection area on the transmitter and the in-vitro part of the sensor are electrically connected with the adjacent structural surfaces of the conductive adhesive tape respectively, and the transmitter, the sensor and the bottom shell can be highly integrated when assembled together, so that the overall thickness of the body fluid analyte detection device is reduced, and the detection efficiency is improved. The analyte detection device is more miniaturized, and the use experience of a user is enhanced.

Description

Compact body fluid analyzer detection device

[0001] This invention relates primarily to the field of medical devices, and in particular to a compact body fluid analyzer.

[0002] In a healthy person, the pancreas automatically monitors blood glucose levels and secretes the necessary insulin / glucagon. However, in diabetic patients, the pancreas malfunctions and cannot secrete insulin as needed. Therefore, diabetes is a metabolic disease caused by abnormal pancreatic function and is a lifelong condition. Currently, medical technology cannot cure diabetes; it can only control the occurrence and development of diabetes and its complications by stabilizing blood sugar levels.

[0003] Diabetic patients need to have their blood glucose levels checked before injecting insulin. Currently, most methods can continuously monitor blood glucose and send the data in real time to a remote device for user viewing; this method is called Continuous Glucose Monitoring (CGM). This method requires a detection device to be attached to the skin surface, with its sensor probe inserted into the subcutaneous tissue fluid to complete the measurement.

[0004] Existing bodily fluid analysis devices are difficult to make the device structure more compact and the size smaller, which affects the user experience.

[0005] Therefore, there is an urgent need for a miniaturized detection device for bodily fluid analytes in existing technologies.

[0006]

[0007] This invention discloses a compact body fluid analyte detection device. The transmitter and the base shell are releasably connected. After the user installs the disposable base shell onto the skin surface, the reusable transmitter is then assembled onto the base shell to form a complete analyte detection device. The transmitter establishes an electrical connection with the sensor through a conductive adhesive strip to transmit signals. The first electrical connection area on the transmitter and the external part of the sensor are respectively electrically connected to the adjacent structural surface of the conductive adhesive strip. When the transmitter, sensor, and base shell are assembled together, they can be highly integrated, reducing the overall thickness of the body fluid analyte detection device, making the analyte detection device more miniaturized, and enhancing the user experience.

[0008] This invention discloses a bodily fluid analyte detection device, comprising: a base shell; a transmitter for establishing a communication connection with an external device, including a first electrical connection area; a battery for providing power to the bodily fluid analyte detection device; a sensor and a conductive adhesive strip mounted on the base shell, the sensor including an internal part and an external part, the internal part being used to insert subcutaneously to detect bodily fluid analyte parameter information; and adhesive tape for attaching the base shell to the skin surface; wherein, the conductive adhesive strip is a three-dimensional structure with multiple structural surfaces, and when the transmitter is assembled on the base shell, the external part and the first electrical connection area are electrically connected through adjacent structural surfaces of the conductive adhesive strip.

[0009] According to one aspect of the invention, a recess is provided on the bottom shell, and the outer portion is disposed within the recess.

[0010] According to one aspect of the present invention, the conductive adhesive strip has a cuboid structure.

[0011] According to one aspect of the invention, the conductive adhesive strip includes longitudinally spaced conductive areas and insulating areas.

[0012] According to one aspect of the invention, the external portion and the first electrical connection region are electrically connected to the conductive region.

[0013] According to one aspect of the invention, at least a portion of the conductive area where no electrical connection is established is covered with an insulating material.

[0014] According to one aspect of the invention, the insulating material is continuously distributed over adjacent conductive regions.

[0015] According to one aspect of the invention, insulating materials are spaced apart on adjacent conductive regions.

[0016] According to one aspect of the invention, at least one structural surface of the conductive adhesive strip that is not electrically connected is covered with an insulating material.

[0017] According to one aspect of the invention, the first electrical connection region includes at least two metal contacts.

[0018] According to one aspect of the invention, the bottom shell includes at least one first engaging portion, and the transmitter includes at least one second engaging portion, wherein when the transmitter is assembled onto the bottom shell, the first engaging portion engages with the second engaging portion.

[0019] According to one aspect of the invention, when the bottom shell fails due to bending, the first engaging portion and the second engaging portion are decoupled.

[0020] According to one aspect of the invention, the bottom shell includes a crease groove, and the bottom shell fails along the crease groove.

[0021] According to one aspect of the invention, the crease groove includes a straight portion and a curved portion.

[0022] According to one aspect of the invention, the curved portions are distributed at both ends of the straight portions.

[0023] According to one aspect of the invention, the first engaging portion is distributed on the arcuate sidewall of the bottom shell.

[0024] According to one aspect of the invention, the bottom shell includes a battery cavity, in which a battery is disposed.

[0025] According to one aspect of the invention, the battery cavity includes a cavity shell, which serves as the outer casing of the battery.

[0026] According to one aspect of the invention, the battery cavity includes a separable cavity cover.

[0027] According to one aspect of the invention, the external portion is bent relative to the internal portion.

[0028] Compared with the prior art, the technical solution of the present invention has the following advantages:

[0029] In the body fluid analyte detection device disclosed in this invention, the transmitter and the base shell are releasably connected. After the user installs the disposable base shell onto the skin surface, the reusable transmitter is then assembled onto the base shell to form a complete analyte detection device. The transmitter establishes an electrical connection with the sensor through a conductive adhesive strip to transmit signals. The first electrical connection area on the transmitter and the external part of the sensor are respectively electrically connected to the adjacent structural surfaces of the conductive adhesive strip. When the transmitter, sensor, and base shell are assembled together, they can be highly integrated, reducing the overall thickness of the body fluid analyte detection device, making the analyte detection device more miniaturized, and enhancing the user experience.

[0030] Furthermore, a groove can be provided on the bottom shell, and the external part of the sensor or the conductive adhesive strip can be placed in the groove, which can further reduce the overall thickness of the analyte detection device and facilitate miniaturization design.

[0031] Furthermore, at least one non-electrically connected surface of the conductive strip is covered with insulating material to prevent the non-electrically connected surface of the conductive strip from being contaminated by conductive dirt such as iron filings, which could cause short circuits in adjacent or close conductive areas and affect the detection signal.

[0032] Furthermore, the external part is laid flat on the bottom shell, eliminating the need for an additional base to fix the sensor. This reduces the number of structural components in the detection device, improves the assembly integration, and facilitates the miniaturization design of the detection device. When installing the detection device, the process of installing the sensor onto the bottom shell is eliminated, simplifying the installation steps and making it easier for users to use.

[0033] Furthermore, the crease grooves on the bottom shell include straight sections and curved sections. The combination of straight and curved crease grooves allows the bottom shell to bend and fail while maintaining a certain strength, preventing abnormal failures caused by bending of the bottom shell due to movement or other activities during daily use. This could lead to the transmitter prematurely detaching from the bottom shell, affecting user operation.

[0034] Furthermore, the cavity shell of the battery chamber can be integrally formed with the battery casing, meaning the battery chamber itself serves as the main body of the battery, eliminating the need to assemble disposable or rechargeable batteries into the battery chamber. This simplifies the manufacturing process. On the other hand, since the battery casing is no longer needed, more electrolyte can be placed inside the battery chamber, increasing its energy storage capacity and extending the lifespan of the detection device. Moreover, if the energy storage provided by the electrolyte can meet the lifespan of the detection device, the volume of the battery chamber can be reduced, which is beneficial for the miniaturization design of the detection device.

[0035] Furthermore, the battery cavity may also include a separable cavity cover for sealing the batteries inside the battery cavity, facilitating the assembly of individual batteries into the battery cavity during the manufacturing process.

[0036] Figure 1a is a schematic diagram of the structure of an auxiliary installer according to an embodiment of the present invention;

[0037] Figure 1b is a schematic diagram of the structure of an analytical material detection device and an auxiliary mounting device according to an embodiment of the present invention;

[0038] Figure 1c is a schematic diagram of the structure of the puncture structure, the parallel slider and the bottom shell in cooperation according to an embodiment of the present invention;

[0039] Figure 2a is a schematic diagram of the structure of an analyte detection device according to an embodiment of the present invention;

[0040] Figures 2b to 2c are schematic diagrams of the exploded structure of the analyte detection device according to different embodiments of the present invention;

[0041] Figure 3 is a schematic diagram of the structure of a transmitter according to an embodiment of the present invention;

[0042] Figure 4 is a schematic diagram of the structure of the bottom shell according to an embodiment of the present invention;

[0043] Figures 5a and 5b are schematic diagrams of the structure before and after the failure of the bottom shell according to an embodiment of the present invention;

[0044] Figures 5c and 5d are schematic diagrams of the structure of the bottom shell before and after the failure of the third engaging part according to an embodiment of the present invention;

[0045] Figure 6 is a schematic diagram of the X-X' cross-sectional structure of the battery cavity in Figure 2b according to an embodiment of the present invention;

[0046] Figure 7a is a schematic diagram of the structure of a conductive adhesive strip according to an embodiment of the present invention;

[0047] Figure 7b is a schematic diagram of a structural surface of a conductive adhesive strip being sealed according to an embodiment of the present invention;

[0048] Figures 7c to 7f are schematic diagrams of the sensor and conductive adhesive strip assembled on the bottom shell according to an embodiment of the present invention;

[0049] Figure 7g is a schematic diagram of the structure in which the conductive area of ​​the conductive adhesive strip is sealed according to an embodiment of the present invention.

[0050] As mentioned earlier, existing detection devices are difficult to miniaturize, which affects the user experience.

[0051] To address this issue, the present invention provides a bodily fluid analyte detection device. The transmitter and the base shell are releasably connected. After the user installs the disposable base shell onto the skin surface, the reusable transmitter is then assembled onto the base shell to form a complete analyte detection device. The transmitter establishes an electrical connection with the sensor via a conductive adhesive strip to transmit signals. The first electrical connection area on the transmitter and the external part of the sensor are respectively electrically connected to the adjacent structural surfaces of the conductive adhesive strip. When the transmitter, sensor, and base shell are assembled together, they can be highly integrated, reducing the overall thickness of the bodily fluid analyte detection device, making the analyte detection device more miniaturized, and enhancing the user experience.

[0052] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be understood that, unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps set forth in these embodiments should not be construed as limiting the scope of the invention.

[0053] Furthermore, it should be understood that, for ease of description, the dimensions of the various components shown in the accompanying drawings are not necessarily drawn to actual scale; for example, the thickness, width, length, or distance of some units may be enlarged relative to other structures.

[0054] The following description of exemplary embodiments is merely illustrative and is not intended to limit the invention or its application or use in any way. Techniques, methods, and apparatus known to those skilled in the art may not be discussed in detail herein, but where applicable, such techniques, methods, and apparatus should be considered part of this specification.

[0055] It should be noted that similar reference numerals and letters in the following figures indicate similar items; therefore, once an item is defined or described in a figure, it will not need to be discussed further in the subsequent description of the figures.

[0056] Figure 1a is a schematic diagram of the auxiliary installer according to an embodiment of the present invention. Figure 1b is a schematic diagram of the analyte detection device and auxiliary installer according to an embodiment of the present invention. Figure 1c is a schematic diagram of the puncture structure, parallel slider and bottom shell cooperating according to an embodiment of the present invention.

[0057] In one embodiment of the present invention, the auxiliary installer 20 includes a housing 201 and a protective cover 202. The analyte detection device 10 is located inside the housing 201. When installation is required, the user unscrews the protective cover 202 from the housing 201 and presses the housing 201 onto the skin surface to install the analyte detection device 10 onto the skin surface. In this embodiment of the present invention, components such as the sensor, antenna, circuit board, and battery are all housed within the housing of the analyte detection device 10, forming an integrated structure.

[0058] In another embodiment of the invention, the housing 201 of the auxiliary installer 20 contains only the bottom shell 101 of the analyte detection device 10. When installation is required, the housing 201 is pressed against the skin surface to install the bottom shell 101 onto the skin surface, and then the transmitter 102 is assembled onto the bottom shell 101. In this embodiment, the antenna and circuit board are disposed in the transmitter 102, and the sensor and battery are disposed on the bottom shell 101, forming a separate structure. In this embodiment, the bottom shell 101 is for single use, while the transmitter 102 is reusable.

[0059] In some embodiments of the present invention, the base shell 101 and the auxiliary mounter 20 are releasably connected before installation. The base shell 101 is circular or nearly circular and has a central axis l2, while the auxiliary mounter has a central axis l1. In some embodiments of the present invention, the central axes l1 and l2 coincide. In other embodiments of the present invention, the central axes l1 and l2 do not coincide.

[0060] In some embodiments of the present invention, the auxiliary installer 20 further includes a parallel slider 203. Before installation, the bottom shell 101 and the parallel slider 203 are releasably connected. The parallel slider 203 is provided with a groove 2031 for accommodating the bottom shell 101. Its shape is adapted to the shape of the bottom shell 101, and is also circular or approximately circular. It shares a central axis with the bottom shell 101. During the iteration of the analyte detection device 10, no matter how the size of the bottom shell 101 changes, the size of the groove 2031 on the parallel slider 203 changes adaptively.

[0061] Referring to FIG1c, in some embodiments of the present invention, as the analyte detection device 10 is iterated, the auxiliary mounter 20 can be adapted to different versions of the analyte detection device 10 to save the research and development, production costs and cycle of the auxiliary mounter 20 and the analyte detection device 10. However, different versions of the analyte detection device 10 often have different sizes. Based on this, some adaptive modifications to the structure of the analyte detection device 10 are also required.

[0062] For example, in some embodiments of the present invention, when the bottom shell 101 of a larger analyte detection device 10 is fixed to the parallel slider 203 via the groove 2031, the central axis l2 of the bottom shell 101 coincides with the central axis l1 of the auxiliary mount 20 (which is the same as the central axis l1 of the parallel slider 203). At this time, the groove 2031 is also coaxial with the auxiliary mount 20 and the bottom shell 101, and the piercing structure 204 (such as a steel needle) is coaxial with the sensor 1032 to accommodate the sensor 1032. However, when the auxiliary mount 20 is changed to adapt to a smaller bottom shell 101, if the position of the piercing structure 204 on the auxiliary mount 20 remains unchanged, i.e., the sensor 1032 remains in the same position, the sensor 1032 will remain in the same position. If the position of 32 remains unchanged, then the central axis l2 of the bottom shell 101 will deviate from the central axis l1 of the auxiliary mounter 20 and move closer to the position of the piercing structure 204. The two will no longer coincide. At this time, the parallel slider 203 needs to be structurally improved. For example, the groove 2031 can be moved closer to the piercing structure 204 as a whole, and its circumference can also be reduced adaptively with the bottom shell 101. This is so that the groove 2031 can accommodate the bottom shell 101 while the piercing structure 204 can still pass through the bottom shell 101 and accommodate the sensor 1032. At this time, the central axis of the groove 2031 will deviate from the central axis l1 of the auxiliary mounter 20 and be in an off-center position relative to the parallel slider 203. Alternatively, in some other embodiments of the present invention, if the central axes of the bottom shell 101 and the auxiliary mounter 20 are kept coincident, that is, the position of the groove 2031 remains unchanged, then the position of the piercing structure 204 needs to be moved closer to the central axis l2 of the bottom shell 101. Since the piercing structure 204 is fixed inside the outer shell 201, this requires modification of the internal shell structure of the outer shell 201. For the auxiliary installer 20, changing the position of the groove 2031 of the parallel slider 203 is easier than changing the position of the puncture structure 204, and the design and production modification costs are lower and the cycle is shorter. Therefore, in the preferred embodiment of the present invention, in order to adapt to the smaller size of the analyte detection device 10, the size of the groove 2031 and its position on the parallel slider 203 can be adaptively changed.

[0063] Figure 2a is a schematic diagram of the analyte detection device according to an embodiment of the present invention. Figures 2b and 2c are exploded structural diagrams of the analyte detection devices according to different embodiments of the present invention. Figure 3 is a schematic diagram of the transmitter according to an embodiment of the present invention. Figure 4 is a schematic diagram of the bottom shell according to an embodiment of the present invention.

[0064] In some embodiments of the present invention, the analyte detection device 10 includes a base 101, a transmitter 102, and a sensor module 103.

[0065] In some embodiments of the present invention, the bottom shell 101 and the transmitter 102 are releasably connected. The bottom shell 101 includes at least one first engaging portion 1011, and the transmitter 102 is provided with at least one second engaging portion 1021 at a corresponding position. The first engaging portion 1011 and the second engaging portion 1021 can engage with each other, so that the transmitter 102 can be fixed on the bottom shell 101.

[0066] In some embodiments of the present invention, the first engaging portion 1011 and the second engaging portion 1021 may be engaging in the manner of hook and slot, hook and hole, hook and hook, etc., and no limitation is made here.

[0067] In some embodiments of the present invention, after the first engaging part 1011 and the second engaging part 1021 engage with each other, the transmitter 102 and the bottom shell 101 can maintain a good fixed connection, and the transmitter 102 will not easily detach from the bottom shell 101.

[0068] In some embodiments of the present invention, since the analyte detection device 10 is circular or approximately circular, the sidewalls of the bottom shell 101 and the transmitter 102 are both curved or arc-shaped, and the two are compatible in shape and size.

[0069] In some embodiments of the present invention, at least two first engaging portions 1011 are symmetrically arranged on the arcuate sidewall of the bottom shell 101 to constrain the transmitter 102, and correspondingly, at least two second engaging portions 1021 are arranged at corresponding positions on the arcuate sidewall of the transmitter 102.

[0070] In one embodiment of the present invention, in order to more securely constrain the transmitter 102 to the base shell 101, at least two third engaging portions 1012 and at least two fourth engaging portions 1022 may be provided on the base shell 101 and the transmitter 102, respectively, and the position, shape and number of the fourth engaging portions 1022 correspond to the third engaging portions 1012.

[0071] In some embodiments of the present invention, since the bottom shell 101 is circular or approximately circular, the third engaging portion 1012 is also distributed on the arcuate sidewall of the bottom shell 101.

[0072] In some embodiments of the present invention, the third engaging portion 1012 is symmetrically distributed on the side wall of the bottom shell 101.

[0073] In one embodiment of the present invention, with reference to the bottom shell 101 shown in FIG2a, the first engaging portion 1011 and the third engaging portion 1012 are both located on the side wall of the bottom shell 101. The first engaging portion 1011 is located at the left end of the side wall of the bottom shell 101, and the third engaging portion 1012 is located at the middle of the side wall of the bottom shell 101. The above positions are determined by the specific shape of the transmitter 102 so that both ends of the transmitter 102 can be fixed to the bottom shell 101 respectively, thereby maintaining a tight snap-fit ​​connection between the transmitter 102 and the bottom shell 101. Therefore, it is foreseeable that when the shape of the transmitter 102 changes, the position, shape and number of the first engaging portion 1011 (second engaging portion 1021) and the third engaging portion 1012 (fourth engaging portion 1022) will also change adaptively. Regardless of how their position, shape and number change, they should be included within the scope of protection of the present invention.

[0074] In some embodiments of the present invention, the third engaging portion 1012 is disposed on the arcuate sidewall of the bottom shell 101, as shown in FIG3. In other embodiments of the present invention, the third engaging portion 1012 is disposed on the bottom surface of the bottom shell 101. In still other embodiments of the present invention, the third engaging portion 1012 may be disposed on both the arcuate sidewall and the bottom surface of the bottom shell 1012, respectively, without limitation.

[0075] In a preferred embodiment of the present invention, the bottom shell 101 is provided with a first engaging portion 1011 and a third engaging portion 1012. Correspondingly, the transmitter 102 is provided with a second engaging portion 1021 and a fourth engaging portion 1022. The position, shape, and number of the second engaging portion 1021 and the fourth engaging portion 1022 are adapted to the first engaging portion 1011 and the third engaging portion 1012, respectively.

[0076] In some embodiments of the present invention, the transmitter 102 can be stably fixed to the base shell 101 by engaging the first engaging portion 1011 and the third engaging portion 1012 with the second engaging portion 1021 and the fourth engaging portion 1022, respectively. Since the transmitter 102 is reusable, when the user replaces the analyte detection device 10, the transmitter 102 needs to be removed from the base shell 101. Therefore, a design is provided to allow the base shell 101 to bend and fail. When the base shell 101 is bent and fails, the engagement of the first engaging portion 1011 with the second engaging portion 1021 and / or the engagement of the third engaging portion 1012 with the fourth engaging portion 1022 is decoupled, thereby separating the transmitter 102 and the base shell 101. See below for details.

[0077] In some embodiments of the present invention, in order to enable the bottom shell 101 to bend and fail, the bottom shell 101 needs to be made of a flexible material, such as PE or PP plastic. During use, the bottom shell 101 needs to be adhered to the user's skin surface, such as the arm or abdomen. During daily activities, the user's skin surface is constantly moving or bending. An overly soft bottom shell 101 will also bend accordingly. This can lead to a certain probability of decoupling the engagement between the first engaging part 1011 and the second engaging part 1021, or / and the engagement between the third engaging part 1012 and the fourth engaging part 1022, causing the transmitter 102 and the bottom shell 101 to loosen. Therefore, the bottom shell 101 cannot be too soft.

[0078] In some embodiments of the present invention, a crease groove 1016 is provided on the bottom shell 101. This allows the bottom shell 101 to maintain a certain rigidity while also facilitating user bending of the bottom shell 101, thus decoupling the locking part in case of failure of the bottom shell 101. The bottom surface thickness at the crease groove 1016 is slightly thinner than other bottom surfaces. For example, when the thickness of the bottom shell 101 is 0.5 to 1.0 mm, the thickness of the bottom surface at the crease groove 1016 is reduced by 0.01 to 0.7 mm. Alternatively, the bottom surface at the crease groove 1016 may be partially open (no bottom shell material is provided at the open area, and the bottom surface thickness here is 0 mm), that is, the bottom surfaces on both sides of the crease groove 1016 are intermittently connected by the bottom shell 101 material. Or, the bottom surface of the bottom shell 101 may not have a crease groove 1016, but rather the bottom surface of the bottom shell 101 may only be a partially open structure, connecting the bottom surfaces on both sides of the bottom shell, which also facilitates user bending of the bottom shell 101.

[0079] Referring to Figure 4, in some embodiments of the present invention, the xy coordinates shown in the figure are used as a reference. The xy coordinates are the planar coordinates of the bottom shell 101. The crease groove 1016 is a straight groove parallel to the x-axis. When the user bends the bottom shell 101, the bottom surface of the bottom shell 101 on both sides of the crease groove 1016 warps in a direction perpendicular to the xy coordinate plane.

[0080] In other embodiments of the present invention, the crease groove 1016 is composed of a straight portion 10161 and a curved portion 10162, forming an A-A' trajectory as shown in FIG. 4. The straight portion 10161 is parallel to the x-axis, and the curved portion 10162 is distributed at both ends of the straight portion 10161. The groove of the straight portion 10161 facilitates the bending of the bottom shell 101, and the curved portion 10162 also facilitates the bending of the bottom shell 101. The difference is that the curved portion 10162 has a part that forms a certain angle with the x-axis, which can increase the bending strength of the crease groove 1016, increase the rigidity design redundancy of the bottom shell 101, and make the crease groove 1016 less prone to bending during daily use, thereby improving the connection stability between the transmitter 102 and the bottom shell 101.

[0081] In some embodiments of the present invention, the crease groove 1016 can also be used in conjunction with the third engaging part 1012 and the fourth engaging part 1022 to complete the engagement and disengagement of the bottom shell 101 and the transmitter 102, as described in detail below.

[0082] In some embodiments of the present invention, the bottom surface of the straight portion 10161 or the curved portion 10162 may also be partially hollowed out, that is, the bottom surfaces on both sides of the straight portion 10161 or the curved portion 10162 are intermittently connected by the bottom shell 101 material, and the unconnected parts are completely removed, which can reduce the overall weight of the analyte detection device 10.

[0083] Figures 5a and 5b are schematic diagrams of the structure of the bottom shell before and after failure in an embodiment of the present invention. Figures 5c and 5d are schematic diagrams of the structure of the third engaging portion of the bottom shell before and after failure in an embodiment of the present invention.

[0084] In some embodiments of the present invention, regardless of whether the crease groove 1016 is a straight groove or a combination of straight and curved grooves, both ends of it correspond to the third engaging portion 1012 and the fourth engaging portion 1022.

[0085] In some embodiments of the present invention, the bottom shell 101 includes a fixing part and a force-applying part. When the user bends the bottom shell 101 to separate the transmitter 102, the user needs to hold the fixing part with their fingers and apply pressure F to the force-applying part. The bottom shell 101 can then bend along the crease groove 1016 or fail to bend, at which point the third engaging part 1012 and the fourth engaging part 1022 are decoupled. Here, the fixing part and the force-applying part are relative concepts, which will be described in detail below.

[0086] In some embodiments of the present invention, failure is a conventional concept in the field of engineering materials. After failure, the material loses its original function, and the failed part cannot be restored. Since the third engaging part 1012 is part of the bottom shell 101, failure of the bottom shell 101 includes failure of the bottom surface, side wall, or third engaging part 1012 of the bottom shell 101. Therefore, the failure modes of the bottom shell 101 include fracture of the bottom shell 101, bending deformation of the bottom shell 101, and may also include fracture of the third engaging part 1012. Obviously, after the bottom shell 101 fails, the bottom shell 101 loses its function and role in engaging the transmitter 102.

[0087] In some embodiments of the present invention, the fixing part is fixed by means of clamping, supporting, etc., and there is no specific limitation here, as long as the conditions for fixing the fixing part can be met. Specifically, the crease groove 1016 divides the bottom shell into two sides, one side as the fixing part and the other side as the force-applying part, and the fixing part and the force-applying part can be interchanged.

[0088] Referring to Figures 5a and 5b, in some embodiments of the present invention, the process of separating the base shell 101 and the transmitter 102 is as follows: The fixing part is fixed with one finger, and another finger applies a force F to the force-applying part in one direction, causing the base shell 101 to bend or flex. The fourth engaging part 1022 disengages from the third engaging part 1012, thus decoupling the transmitter 102 from the base shell 101. Clearly, the base shell 101 bends or flexes along the crease groove 1016. The cooperation between the crease groove and the third and fourth engaging parts allows for better separation of the transmitter and the base shell.

[0089] Referring to Figures 5c and 5d, in some embodiments of the present invention, the process of separating the bottom shell 101 and the transmitter 102 is as follows: the fixing part is fixed with a finger, and the force F is applied to the force application part in one direction with another finger, so that the third engaging part 1012 fails, thereby separating the third engaging part 1012 from the fourth engaging part 1022, and separating the transmitter 102 from the bottom shell 101.

[0090] In some embodiments of the present invention, a battery cavity 1013 is also provided on the bottom shell 101, and a battery is assembled in the battery cavity 1013 to provide power for the analyte detection device 10.

[0091] Referring to FIG2a, in some embodiments of the present invention, the battery cavity 1013 serves as the force-applying part, and the transmitter 102 serves as the fixing part. When separating the transmitter 102 and the bottom shell 101, the user's finger holds the transmitter 102 in place, while another finger applies a force F to the battery cavity 1013, causing the battery cavity 1013 to bend along curve a. The fourth engaging part 1022 has a tendency to move along curve d relative to the battery cavity 1013. As the force is continuously applied to the battery cavity 1013, the bottom shell 101 bends and deforms, and the bottom shell 101 no longer abuts against the fourth engaging part 1022. The transmitter 102 moves along curve b relative to the battery cavity 1013. Move along the linear and c-curve directions until the fourth engaging part 1022 is decoupled from the third engaging part 1012. At this point, since the first engaging part 1011 and the second engaging part 1021 are not completely decoupled, the transmitter 102 and the bottom shell 101 are in a semi-connected state, which can prevent the transmitter 102 from falling off during disassembly. The user needs to use their fingers to pinch the transmitter 102 to release the engaging state of the first engaging part 1011 and the second engaging part 1021, and the disassembly of the transmitter 102 can be completed. The operation is convenient.

[0092] As mentioned above, the force-applying part and the fixing part are relative. In some other embodiments of the present invention, the transmitter 102 is the force-applying part and the battery cavity 1013 is the fixing part, and their disassembly process is the same.

[0093] In some embodiments of the present invention, the battery cavity 1013 further includes a detachable cavity cover 10132. The detachable cavity cover 10132 is used to assemble the battery or electrolyte into the battery cavity 1013 during the production process. After production, the cavity cover 10132 is fixed to the battery cavity 1013 and sealed to prevent water droplets or other dirt from entering the battery cavity 1013. After the cavity cover 10132 is sealed, adhesive tape 1015 is then pasted and fixed to the bottom shell 101, and the cavity cover 10132 is covered by the adhesive tape 1015.

[0094] In some embodiments of the present invention, the cavity cover 10132 is connected to the cavity shell 10131 by means of adhesive, snap-fit, welding, etc., to fix it on the battery cavity 1013. It is understood that the cavity cover 10132 can be releasably connected to the cavity shell 10131 or is in a separate state before production. After the battery is installed, the cavity cover 10132 is fixedly connected to the cavity shell 10131, which can completely seal the cavity cover 10132 and the cavity shell 10131, and the cavity cover 10132 cannot be disassembled again to prevent the cavity cover 10132 from loosening and allowing external dirt to enter the battery cavity 1013.

[0095] In some embodiments of the present invention, the battery is a separate button cell, which is housed in the battery cavity 1013.

[0096] In some embodiments of the present invention, the positive and negative terminals of the battery are electrically connected to the elastic conductor 1014, and the other end of the elastic conductor 1014 is electrically connected to the second electrical connection region 1024 of the transmitter 102. The elastic conductor 1014 serves as a conductive carrier, enabling the battery to provide electrical energy to the transmitter 102. The second electrical connection region 1024 is adapted to the elastic conductor 1014, and their number is consistent.

[0097] In some embodiments of the present invention, when the transmitter 102 is assembled onto the bottom shell 101, the second electrical connection area 1024 contacts and compresses the elastic conductor 1014. The elastic conductor 1014 is in a compressed state and can make closer contact with the second electrical connection area 1024. Furthermore, when the transmitter 102 is disassembled, after the third engaging part 1012 and the fourth engaging part 1022 are decoupled, the elastic force of the elastic conductor 1014 can also assist the transmitter 102 in separating from the bottom shell 101.

[0098] In some embodiments of the present invention, the elastic conductor 1014 may be a conductive spring, conductive rubber, etc.

[0099] In some embodiments of the present invention, the second electrical connection area 1024 is a metal contact.

[0100] In some other embodiments of the present invention, the battery cavity 1013 itself serves as the battery body to provide power to the analyte detection device 10, as detailed in Figure 6.

[0101] Figure 6 is a schematic diagram of the X-X' cross-sectional structure of the battery cavity in Figure 2b of the present invention.

[0102] In some embodiments of the present invention, the battery cavity 1013 includes a cavity shell 10131, which is integrally formed with the bottom shell 101, making the analyte detection device 10 more miniaturized. In some embodiments of the present invention, the battery cavity 1013 includes a cavity shell 10131, a separator 10133, an electrolyte 10134, a positive electrode 10135, a negative electrode 10136, an electrolyte insulating layer 10137, and a conductive sheet 10138. The cavity shell 10131 is used to accommodate and fix the above structure. The positive electrode 10135 and the negative electrode 10136 are immersed in the electrolyte 10134 and separated by the separator 10133. According to the above structure, the battery cavity 1013 itself can serve as a complete battery, providing power to the analyte detection device 10. The cavity shell serves as the battery casing, eliminating the need for a separate battery casing. The battery cavity 1013 can be further miniaturized while still accommodating more electrolyte 10131, storing more electrical energy, and extending the lifespan of the analyte detection device 10. In some embodiments of the present invention, the separator 10133, the positive electrode 10135, and the negative electrode 10136 are wound structures, with the separator 10133 located between the positive electrode 10135 and the negative electrode 10136.

[0103] In some embodiments of the present invention, the diaphragm 10133, the positive electrode 10135, and the negative electrode 10136 are stacked planar structures, and the diaphragm 10133, the positive electrode 10135, and the negative electrode 10136 are distributed at intervals between each other.

[0104] In some embodiments of the present invention, the solute of electrolyte 10134 is a lithium salt, such as lithium perchlorate (LiClO4), lithium hexafluorophosphate (LiPF6), or lithium tetrafluoroborate (LiBF4). The solvent is one of ethylene carbonate, propylene carbonate, diethyl carbonate, dimethyl carbonate, methyl ethyl carbonate, phosphorus pentafluoride, hydrofluoric acid, diethyl ether, ethylene carbonate, propylene carbonate, or diethyl carbonate. In a preferred embodiment of the present invention, the solvent is an organic solvent, such as diethyl ether, ethylene carbonate, propylene carbonate, or diethyl carbonate.

[0105] In some embodiments of the present invention, the main material of the positive electrode 10135 is manganese dioxide, and it is prepared by the following process:

[0106] ① The electrolytic manganese dioxide, conductive agent, and binder are sieved using a sieve or air classifier. Electrolytic manganese dioxide particles smaller than 200 μm are selected, placed in a quartz boat, and heat-treated in a sintering furnace at 200°C for 4 hours. The purpose of this step is to cause the electrolytic manganese dioxide to lose some of its bound water, resulting in a shift in X-ray diffraction peaks, a decrease in interplanar spacing, and an increase in Mn-O bonding strength, thereby enhancing the discharge capacity of the electrolytic manganese dioxide.

[0107] ② After cooling the electrolytic manganese dioxide from step ① to below 60℃, weigh out 9g of electrolytic manganese dioxide, 0.5g of conductive agent with a particle size less than 200µm, and 0.5g of binder with a particle size less than 200µm using an electronic balance. Place them in a grinding dish, mix thoroughly, and then grind manually or electrically to obtain 10g of the grinding mixture. Ensure that the grinding mixture can pass through a 300-mesh (48µm particle size) sieve. The purpose of this step is to ensure the uniformity of the mixture and avoid uneven dispersion of the conductive agent and additives.

[0108] In other embodiments of the present invention, the mass ratio of electrolytic manganese dioxide, conductive agent and binder is not limited to the above-mentioned proportions, and their mass ratios can be 80%-96%, 2%-10% and 2%-10% respectively.

[0109] In a preferred embodiment of the present invention, the conductive agent may be one or more of conductive carbon black, graphite, super p, or carbon nanotubes.

[0110] In a preferred embodiment of the present invention, the adhesive may be one or more of PVDF (polyvinylidene fluoride), polytetrafluoroethylene, and sodium polyacrylate.

[0111] ③ Place the ground mixture in a vacuum oven and heat it to 65°C for 5 hours to dry any moisture that may be present in the mixture, ensuring that the sample is dry and obtaining the positive electrode mixture.

[0112] ④ Add 10g of NMP (N-methylpyrrolidone) solvent to a dry glass bottle, then slowly add the positive electrode mixture to the glass bottle and stir with a magnetic stirrer for 3 hours to ensure uniform mixing, resulting in a positive electrode slurry with a solid content of 50%. The purpose of this step is to ensure uniform dispersion of the components in the positive electrode slurry. The solid content is related to the viscosity of the positive electrode slurry; a 50% solid content positive electrode slurry has better viscosity, resulting in better film formation after coating onto the substrate and reducing powder shedding or cracking.

[0113] ⑤ Use a flatbed coating machine to coat the positive electrode slurry onto the substrate surface to obtain a conductive layer. Then place the conductive layer and the substrate in a vacuum oven to bake at 110°C for 12 hours to ensure that the moisture is completely dried.

[0114] In a preferred embodiment of the present invention, the substrate material is either aluminum foil or nickel foam mesh, with a thickness of 12-18 μm.

[0115] In a more preferred embodiment of the present invention, the substrate material is aluminum foil with a thickness of 15 μm.

[0116] ⑥ Using an electric vertical roller press to roll the conductive layer and substrate can reduce the overall thickness of the conductive layer and substrate to 180-220µm, resulting in the finished positive electrode sheet. By adjusting the operating parameters of the coating machine and the roller press, the thickness of the positive electrode sheet can be controlled, ensuring that the electrode sheet has a relatively complete conductive network while maintaining a high compaction density, thus meeting the working requirements of high-current pulse discharge.

[0117] In this embodiment of the invention, the negative electrode 10136 is mainly a lithium-based material.

[0118] In other embodiments of the present invention, the positive electrode 10135 may also be a lithium-containing compound such as lithium manganese oxide, lithium cobalt oxide, or lithium iron phosphate, and the corresponding negative electrode 10136 may be graphite.

[0119] In this embodiment of the invention, the diaphragm 10133 is made of PE (polyethylene) or PP (polypropylene), and can be a single layer of PE or PP, or a three-layer PE or PP.

[0120] In some embodiments of the present invention, one end A of the conductive sheet 10138 is fixedly connected to the positive electrode 10135 or the negative electrode 10136, and the other end B of the conductive sheet 10138 passes through the electrolyte insulating layer 10137 and the cavity shell 10131, and is electrically connected to the elastic conductor 1014. In a preferred embodiment of the present invention, end A is fixedly connected to the positive electrode 10135 or the negative electrode 10136 by solder or solder paste.

[0121] In this embodiment of the invention, the conductive sheet 10138 connected to the positive electrode 10135 is made of aluminum, and the conductive sheet 10138 connected to the negative electrode 10136 is made of nickel or nickel-plated copper.

[0122] In some embodiments of the present invention, the cavity shell 10131 is generally made of plastic, such as PE (polyethylene), PP (polypropylene) or PC (polycarbonate), which is easily corroded by the electrolyte 10134. Therefore, it is necessary to provide an electrolyte isolation layer 10137 inside the cavity shell 10131.

[0123] In some embodiments of the present invention, the electrolyte isolation layer 10137 is TPE (butyl rubber) or PET (polyethylene terephthalate). TPE is a thermoplastic elastomer material with strong processability, while PET material itself serves as a container for the electrolyte and can effectively isolate the electrolyte from corroding the cavity shell.

[0124] In this embodiment of the invention, the electrolyte isolation layer 10137 can be a thin film coated on the inner side of the cavity shell 10131 by deposition or solution method, or it can be a separate closed shell.

[0125] In a preferred embodiment of the present invention, the electrolyte barrier layer 10137 is a thin film with a thickness of 300-500 μm. If the thickness of the electrolyte barrier layer 10137 is too small, the film material will be wetted and softened by the electrolyte, leading to aging of the film material over time. If the thickness is too large, it will occupy the internal space of the chamber. In a more preferred embodiment of the present invention, the thickness of the electrolyte barrier layer 10137 is 400 μm.

[0126] In some embodiments of the present invention, if the cavity shell 10131 is made of a material resistant to electrolyte corrosion 10134, such as PFA (polytetrafluoroethylene) or FEP (perfluoroethylene propylene), the electrolyte barrier layer 10137 can be omitted, the volume of electrolyte 10134 can be increased, and the battery energy storage can be improved.

[0127] In some embodiments of the present invention, a sensor module is also provided on the bottom shell 101. The sensor module includes an elastic sealing ring 1031, a sensor 1032 and a conductive adhesive strip 1033. The sensor 1032 includes an inner part 10321 and an outer part 10322.

[0128] In some embodiments of the present invention, the elastic sealing ring 1031 is an annular structure, with the external portion 10322 and the conductive adhesive strip 1033 both located within the inner ring of the elastic sealing ring 1031. When the transmitter 102 is assembled onto the base shell 101, with reference to the direction in Figure 2b, the lower end face of the elastic sealing ring 1031 contacts the bottom surface of the base shell 101, and the upper end face contacts the transmitter 102 housing, forming a completely sealed space within the inner ring of the elastic sealing ring 1031. The external portion 10322 and the conductive adhesive strip 1033 are contained within this sealed space. The sealed space of the elastic sealing ring 1031 prevents contaminants such as water droplets, metal shavings, and blood from entering, thus avoiding contamination of the external portion 10322 and the conductive adhesive strip 1033 and affecting the detection signal.

[0129] Figure 7a is a schematic diagram of the conductive adhesive strip according to an embodiment of the present invention. Figure 7b is a schematic diagram of the conductive adhesive strip with one structural surface sealed according to an embodiment of the present invention. Figures 7c to 7f are schematic diagrams of the sensor and conductive adhesive strip assembled on the bottom shell according to an embodiment of the present invention. Figure 7g is a schematic diagram of the conductive area of ​​the conductive adhesive strip being sealed according to an embodiment of the present invention.

[0130] Referring to Figure 7a, in this embodiment of the invention, the conductive adhesive strip 1033 is a three-dimensional structure with multiple structural surfaces, such as a cuboid structure. The conductive adhesive strip 1033 has conductive and insulating regions spaced apart along its longitudinal length. Both the conductive and insulating regions extend through the transverse direction of the conductive adhesive strip 1033, which is perpendicular to the longitudinal direction. Since both the conductive and insulating regions extend through the transverse direction of the conductive adhesive strip 1033, conductive and insulating regions exist on all four side structural surfaces 1033a, 1033b, 1033c, and 1033d of the conductive adhesive strip 1033. It can be understood that the corresponding conductive regions on the four side structural surfaces 1033a, 1033b, 1033c, and 1033d are electrically connected.

[0131] In some embodiments of the present invention, conductive regions and insulating regions are distributed alternately. The insulating regions can separate two adjacent conductive regions. The insulating regions have good insulation properties, which can prevent crosstalk between electrical signals on two adjacent conductive regions and ensure the stability of the detection signal.

[0132] In some embodiments of the present invention, the conductive adhesive strip 1033 is used to electrically connect the sensor 1032 and the transmitter 102. Specifically, the transmitter includes a first electrical connection area 1023, which includes at least two metal contacts 10231. The external part 10322 of the sensor 1032 is provided with at least two pins (not shown in the figure). Each metal contact 10231 contacts a different conductive area on a single structural surface of the conductive adhesive strip 1033. At the same time, the conductive areas on the same, adjacent, or opposite structural surfaces contact the pins, thereby realizing the electrical connection between the pins and the metal contacts 10231. The detection signal of the sensor 1032 can be transmitted to the transmitter 102 through the conductive adhesive strip 1033, and the transmitter 102 can also transmit control signals to the sensor 1032 through the conductive adhesive strip 1033.

[0133] In some embodiments of the present invention, the number of metal contacts 10231 is the same as the number of pins.

[0134] In some embodiments of the present invention, the metal contact 10231 and the external part 10322 are electrically connected through the opposing structural surfaces of the conductive adhesive strip 1033, i.e., 1033a, 1033c or 1033b, 1033d, forming a stacked structure of external part 10322-conductive adhesive strip 1033-metal contact 10231. At this time, the external part 10322 is laid flat on the bottom surface of the bottom shell 101 in a parallel state, as shown in FIG7c.

[0135] In some embodiments of the present invention, the metal contact 10231 and the external portion 10322 are electrically connected through adjacent structural surfaces of the conductive adhesive strip 1033. For example, the external portion 10322 is electrically connected to the side structural surface 1033c of the conductive adhesive strip 1033, and the metal contact 10231 is electrically connected to the upper structural surface 1033d. At this time, the external portion 10322 is laid flat on the bottom surface of the bottom shell 101 in a vertical state, as shown in Figure 7d.

[0136] The above embodiments are for illustrative purposes only; other adjacent structural surfaces can also achieve electrical connection. Compared to the stacked structure of the external part 10322-conductive adhesive strip 1033-metal contact 10231, achieving electrical connection between adjacent structural surfaces can reduce the overall thickness, which is beneficial for the miniaturization design of the analyte detection device 10.

[0137] Referring to Figures 7e and 7f, in some embodiments of the present invention, to further reduce the overall thickness of the analyte detection device 10, a recess 1017 may be provided on the bottom shell 101, and the external portion 10322 or conductive adhesive strip 1033 may be placed in the recess 1017. Placing the external portion 10322 or conductive adhesive strip 1033 in the recess 1017 can be fixed by an interference fit between the external portion 10322 or conductive adhesive strip 1033 and the recess 1017, thereby improving the assembly stability of the sensor 1032 or conductive adhesive strip 1033.

[0138] In some embodiments of the present invention, referring to the direction shown in FIG2b, the external portion 10322 is electrically connected to the side structural surface 1033c of the conductive adhesive strip 1033, and the first electrical connection area 1023 of the transmitter 102 is electrically connected to the upper structural surface 1033d of the conductive adhesive strip 1033.

[0139] Referring to Figures 2a, 7b, and 7d, in some embodiments of the present invention, conductive areas also exist on unused structural surfaces. These conductive areas are continuous with the conductive areas on used structural surfaces. If these conductive areas are short-circuited due to dirt, it will also cause short-circuiting of the conductive areas on used structural surfaces, affecting the stability of the detection signal. Therefore, it is advisable to seal the conductive areas on unused structural surfaces to prevent them from being short-circuited due to dirt. For example, referring to Figure 7b, in some embodiments of the present invention, the external portion 10322 is electrically connected to the side structural surface 1033c of the conductive adhesive strip 1033, and the first electrical connection area 1023 of the transmitter 102 is electrically connected to the upper structural surface 1033d of the conductive adhesive strip 1033. At this time, the side structural surface 1033a and the lower structural surface 1033b are unused. Insulating material can be coated or pasted onto the side structural surface 1033a and / or the lower structural surface 1033b to prevent the conductive areas on these two structural surfaces from being short-circuited due to dirt. In this embodiment of the invention, only 1033a is easily contaminated, so only 1033a can be coated or pasted, which can prevent the conductive area from being contaminated and short-circuited while avoiding the waste of insulating material.

[0140] Referring to Figures 2c, 7b, and 7e, in some other embodiments of the present invention, the external portion 10322 is electrically connected to the lower structural surface 1033b of the conductive adhesive strip 1033, and the first electrical connection area 1023 of the transmitter 102 is electrically connected to the upper structural surface 1033d of the conductive adhesive strip 1033. At this time, the side structural surfaces 1033a and 1033c are not used, and insulating material can be coated or pasted on the side structural surfaces 1033a and / or 1033c. Preferably, insulating material is coated or pasted on both side structural surfaces 1033a and 1033c to prevent the conductive areas on these two structural surfaces from being contaminated and short-circuited.

[0141] In some embodiments of the present invention, the insulating material may be one or more of rubber, silicone, polyethylene, glass fiber, epoxy resin, and insulating varnish, as long as it can achieve good insulation properties.

[0142] In some embodiments of the present invention, the thickness of the insulating material is 1 to 1000 μm, preferably 10 to 100 μm.

[0143] In some embodiments of the present invention, the insulating material may only cover the conductive area of ​​the conductive adhesive strip 1033, which can also achieve the function of insulating the non-electrically connected structural surface.

[0144] Referring to Figure 7g, which is a top view of the conductive adhesive strip 1033. In some embodiments of the present invention, the first electrical connection area 1023 of the transmitter 102 is electrically connected to the upper structural surface 1033d of the conductive adhesive strip 1033. Conductive areas in the upper structural surface 1033d that are not electrically connected to the first electrical connection area 1023 may also be contaminated by dirt, leading to a short circuit. Based on this situation, insulating material can also be covered on the conductive areas not electrically connected to the first electrical connection area 1023, with the insulating material spaced apart on the upper structural surface 1033d. Alternatively, the external portion 10322 is electrically connected to the side structural surface 1033c of the conductive adhesive strip 1033. Conductive areas in the side structural surface 1033c that are not electrically connected to the external portion 10322 may also be contaminated by dirt, leading to a short circuit. Therefore, insulating material can also be covered on the conductive areas in the side structural surface 1033c that are not electrically connected to the external portion 10322, with the insulating material spaced apart on the side structural surface 1033c.

[0145] Since the conductive and insulating areas on the conductive strip 1033 are distributed alternately, and the insulating material only needs to cover the conductive areas to achieve its insulating function, in some embodiments of the present invention, the insulating material covers two adjacent conductive areas in a continuous manner, while also covering the insulating area in between the two adjacent conductive areas. Alternatively, in other embodiments of the present invention, the insulating material covers two adjacent conductive areas in an intermittent manner, without covering the insulating area in between the two adjacent conductive areas.

[0146] In some embodiments of the present invention, the conductive adhesive strip 1033 is covered with insulating material on the structural surfaces that are not electrically connected to other components, which can better prevent short circuits caused by dirt and improve the stability of the detection signal.

[0147] In some embodiments of the present invention, the external portion 10322 is bent or folded relative to the internal portion 10321, and the internal portion 10321 is perpendicular or approximately perpendicular to the bottom shell 101 and passes through the bottom shell 101 to facilitate insertion under the user's skin.

[0148] In some embodiments of the present invention, the external part 10322 is fixed to the bottom shell 101 by a sensor base. The sensor base and the bottom shell 101 are releasably connected. Before installation, the sensor base is separated from the bottom shell 101. During installation, the sensor base is assembled onto the bottom shell 101.

[0149] In some other embodiments of the present invention, the external portion 10322 is laid directly on the bottom surface of the bottom shell 101, eliminating the need for a sensor base, which makes the internal structure of the analyte detection device 10 more compact and facilitates miniaturization design.

[0150] In summary, this invention discloses a bodily fluid analyte detection device. The transmitter and the base shell are releasably connected. After the user installs the disposable base shell onto the skin surface, the reusable transmitter is then assembled onto the base shell to form a complete analyte detection device. The transmitter establishes an electrical connection with the sensor through a conductive adhesive strip to transmit signals. The first electrical connection area on the transmitter and the external part of the sensor are respectively electrically connected to the adjacent structural surfaces of the conductive adhesive strip. When the transmitter, sensor, and base shell are assembled together, they can be highly integrated, reducing the overall thickness of the bodily fluid analyte detection device, making the analyte detection device more miniaturized, and enhancing the user experience.

[0151] While specific embodiments of the invention have been described in detail by way of examples, those skilled in the art should understand that the above examples are for illustrative purposes only and are not intended to limit the scope of the invention. Those skilled in the art should understand that modifications can be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

A body fluid analyzer detection device, characterized in that, include: Bottom shell; A transmitter for establishing a communication connection with an external device, including a first electrical connection area; and a battery for providing power to the bodily fluid analyte detection device. The sensor and conductive adhesive strip are mounted on the bottom shell. The sensor includes an internal part and an external part. The internal part is used to be inserted subcutaneously to detect the parameter information of the body fluid analyte. The device includes adhesive tape for attaching the base shell to the skin surface; wherein the conductive adhesive strip has a three-dimensional structure with multiple structural surfaces, and when the transmitter is assembled on the base shell, the external part and the first electrical connection area are electrically connected through the adjacent structural surfaces of the conductive adhesive strip. The body fluid analyte detection device according to claim 1 is characterized in that, The bottom shell has a recess, and the conductive adhesive strip and / or the external part is disposed in the recess. The body fluid analyte detection device according to claim 1 is characterized in that, The conductive adhesive strip has a cuboid structure. The body fluid analyte detection device according to claim 3 is characterized in that, The conductive adhesive strip includes longitudinally spaced conductive areas and insulating areas. The body fluid analyte detection device according to claim 4 is characterized in that, The external portion and the first electrical connection region are electrically connected to the conductive region. The body fluid analyte detection device according to claim 5 is characterized in that, At least a portion of the conductive area where no electrical connection has been established is covered with insulating material. The body fluid analyte detection device according to claim 6 is characterized in that, The insulating material is continuously distributed on adjacent conductive regions. The body fluid analyte detection device according to claim 6 is characterized in that, The insulating material is distributed at intervals on adjacent conductive regions. The body fluid analyte detection device according to claim 1 is characterized in that, At least one structural surface of the conductive adhesive strip that is not electrically connected is covered with insulating material. The body fluid analyte detection device according to claim 5 is characterized in that, The first electrical connection area includes at least two metal contacts. The body fluid analyte detection device according to claim 1 is characterized in that, The bottom shell includes at least one first engaging portion, and the transmitter includes at least one second engaging portion. When the transmitter is assembled onto the bottom shell, the first engaging portion engages with the second engaging portion. The body fluid analyte detection device according to claim 11 is characterized in that, When the bottom shell fails due to bending, the first engaging part and the second engaging part are decoupled. The body fluid analyte detection device according to claim 12 is characterized in that, The bottom shell includes a crease groove, and the bottom shell fails along the crease groove. The body fluid analyte detection device according to claim 13 is characterized in that, The crease groove includes a straight portion and a curved portion. The body fluid analyte detection device according to claim 14 is characterized in that, The curved portion is located at both ends of the straight portion. The body fluid analyte detection device according to claim 11 is characterized in that, The first engaging portion is distributed on the arcuate sidewall of the bottom shell. The body fluid analyte detection device according to claim 1 is characterized in that, The bottom shell includes a battery cavity, and the battery is disposed within the battery cavity. The body fluid analyte detection device according to claim 17 is characterized in that, The battery cavity includes a cavity shell, which serves as the outer casing of the battery. The body fluid analyte detection device according to claim 17 is characterized in that, The battery cavity includes a detachable cavity cover. The body fluid analyte detection device according to claim 1 is characterized in that, The external portion is bent relative to the internal portion.

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