CN118236063A - In-vivo blood sugar monitoring device - Google Patents

Abstract

The application relates to the technical field of medical equipment, and discloses an in-vivo blood glucose monitoring device which comprises a shell, an in-vivo detection unit, a sealing film and a puncturing piece, wherein an accommodating cavity with a downward cavity opening and an accommodating space positioned below the accommodating cavity are formed in the shell, the in-vivo detection unit comprises a sensor component arranged in the accommodating cavity and a transmitter component arranged in the accommodating space, the sealing film is arranged at the cavity opening of the accommodating cavity and is used for sealing the accommodating cavity, the puncturing piece is arranged in the accommodating space, a puncturing area and a avoiding area are circumferentially arranged on the puncturing piece, the puncturing piece can move relative to the sealing film so that the puncturing area punctures the sealing film, and the punctured sealing film is accommodated in the accommodating cavity under the action of the avoiding area. When the in-vivo blood glucose monitoring device is used, a user only needs to operate the puncture part and the needle assisting unit, so that the step of manually assembling the sensor assembly is omitted, the operation steps of the user are simplified, and the use experience of the user is further improved.

Description

In-vivo blood sugar monitoring device

Technical Field

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

Background

In-vivo blood glucose monitoring devices require a sensor to penetrate the subcutaneous tissue, produce an electrochemical reaction with the subcutaneous tissue by a biological enzyme on the sensor, convert to an electrical signal, and provide to a user by converting to a blood glucose value. Because the product has a part penetrating into subcutaneous tissue, the product needs to be sterilized before leaving the factory, and the infection risk of a user caused by pathogenic bacteria on the product is avoided.

The in-vivo monitoring unit generally comprises a sensor and a transmitter, wherein the sensor and the transmitter are usually required to be sterilized by using different sterilization modes, and the transmitter part is generally sterilized by adopting a gas sterilization mode, such as ethylene oxide gas sterilization, and the biological enzyme on the sensor can react with the ethylene oxide and other gases to influence the activity of the biological enzyme, so that the monitoring accuracy is influenced, the sensor cannot be sterilized by using the gas sterilization mode, radiation sterilization is further selected, and the electronic devices in the transmitter assembly are damaged by the radiation sterilization, so that the sensor and the transmitter are required to be separately sterilized.

At present, in order to prevent the sterilized sensor from being polluted by pathogenic bacteria again, the sensor and the emitter are generally packaged independently, namely, the emitter assembly is assembled on the needle aid, and the sensor is stored in a sterile packaging bag; when the user uses, need take out the sensor from aseptic wrapping bag earlier, then remove the visor of helping needle ware, assemble the sensor in the transmitter again, then to helping the needle ware unblock, the human subcutaneous tissue of sensor implantation is passed through to the rethread helping needle ware at last, just so has led to the operation step of user comparatively complicated, and then has influenced user's use experience.

Disclosure of Invention

The application provides an in-vivo blood glucose monitoring device, which is used for simplifying the operation steps of a user and further improving the use experience of the user.

The technical scheme adopted by the application is as follows:

an in-vivo blood glucose monitoring device comprising:

The shell is internally provided with a containing cavity with a downward cavity opening and a containing space positioned below the containing cavity;

the in-body monitoring unit comprises a sensor assembly arranged in the accommodating cavity and a transmitter assembly arranged in the accommodating space;

The sealing film is arranged at the cavity opening of the accommodating cavity and is used for sealing the accommodating cavity;

The puncture piece is arranged in the accommodating space, a puncture area and an avoidance area are arranged on the circumference of the puncture piece, the puncture piece can move relative to the sealing film, so that the sealing film is punctured by the puncture area, and the punctured sealing film is accommodated in the accommodating cavity under the action of the avoidance area.

By adopting the technical scheme, when the in-vivo blood glucose monitoring device is used by a user, the puncturing piece is firstly operated so that the puncturing piece moves relative to the sealing film, then the puncturing area punctures the sealing film, the avoiding area drives the punctured sealing film so that the punctured sealing film is contained in the containing cavity, the unsealing of the containing cavity is completed, then the needle assisting unit of the in-vivo blood glucose monitoring device is triggered, the sensor assembly is assembled on the emitter assembly under the action of the needle assisting unit, and meanwhile, the sensor is penetrated into subcutaneous tissue to complete the assembly of the in-vivo blood glucose monitoring device on a human body.

In summary, when the in-vivo blood glucose monitoring device is used, only the puncture piece and the needle assisting unit are required to be operated by a user, and the step of manually assembling the sensor assembly is omitted, so that the operation steps of the user are simplified, and the use experience of the user is improved. Simultaneously, avoided the user to take out the back with sensor subassembly from the wrapping bag, the sensor subassembly exposes in the air and leads to the condition that sensor subassembly was polluted by pathogenic bacteria in the air to greatly reduced the risk that the user infects, and then further improved user's use experience.

Optionally, the piercing member includes a rotating collar and a piercing collar disposed inside the rotating collar, where the rotating collar is provided with a driving portion, and the piercing collar is provided with a transmission portion matched with the driving portion, so that when the rotating collar rotates along a first direction, the piercing collar can be driven to move upwards to pierce the sealing film.

Through adopting above-mentioned technical scheme, when puncturing the sealing membrane, exert the rotation force along first direction to rotatory lantern ring to make rotatory lantern ring and casing take place relative rotation, rotatory lantern ring simultaneously drives drive portion motion, then makes drive portion and drive portion take place relative motion, thereby make the puncture lantern ring upwards move under drive portion's effect, so that puncture the sealing membrane in the district, avoid the district to puncture the sealing membrane and push away, so that the sealing membrane that is punctured accomodate in the holding chamber, in order to accomplish the unsealing to the holding chamber. In the process of unsealing the accommodating cavity, a user only needs to rotate the rotary lantern ring, so that the operation difficulty and operation steps of the user are simplified, the user can rapidly unseal the accommodating cavity, and the use experience of the user is further improved.

Optionally, the driving part includes a driving surface, the driving surface extends upwards in an inclined manner along a second direction opposite to the first direction, and the transmission part is a transmission rib abutting against the driving surface.

Through adopting above-mentioned technical scheme, when rotatory lantern ring is rotatory along first direction, rotatory lantern ring drives the driving surface motion, and the relative slip takes place for driving surface and driving rib simultaneously, because the driving surface is along the second direction slope upward extension setting opposite with first direction, then make puncture the lantern ring and upwards move under the effect of driving surface to realize puncturing the lantern ring and upwards move when rotatory along first direction to rotatory lantern ring, thereby simplified the structure complexity of in-body blood sugar monitoring devices, and then reduced in-body blood sugar monitoring devices's manufacturing cost and improved in-body blood sugar monitoring devices's production efficiency.

Optionally, the driving part sequentially has a driving start end and a driving tail end along the second direction, and the driving tail end is provided with a limiting groove capable of accommodating the transmission part.

By adopting the technical scheme, when the rotary lantern ring rotates along the first direction, the driving surface and the transmission rib slide relatively, so that the contact position of the driving surface and the transmission rib is gradually changed from the driving initial end to the driving tail end, when the driving tail end contacts with the transmission rib, the transmission rib moves into the limit groove, the sealing film is pierced, and meanwhile, the pierced sealing film is estimated to be in the accommodating cavity; the limiting groove is formed in the driving tail end, so that the transmission rib and the limiting groove are matched to realize rotation limiting of the rotary sleeve ring, namely, after the sealing film is pierced, the rotary sleeve ring cannot continue to rotate to remind a user that the accommodating cavity is unsealed, and the needle assisting unit can be triggered at the moment, so that the use experience of the user is further improved; meanwhile, the transmission rib is matched with the limiting groove, so that the puncture collar can be stopped at the position of pushing the sealing film to the accommodating cavity, the situation that the sealing film is separated from the accommodating cavity under the action of self toughness to influence the assembly of the sensor assembly to the emitter assembly is avoided, and the sensor assembly can be assembled to the emitter assembly after the needle assisting unit is triggered, so that the product quality of the in-vivo blood glucose monitoring device is improved.

Optionally, the housing includes an upper housing and a lower housing, the upper housing forms the accommodation cavity inside, the lower housing forms the accommodation space inside, the lower housing includes a stop portion, the stop portion is used for abutting the puncture collar, so as to prevent the puncture collar from rotating along with the rotation collar in a first direction.

Through adopting above-mentioned technical scheme, when rotatory lantern ring rotates along first direction, rotatory lantern ring drives the driving surface motion, because stopper portion butt is in puncturing the lantern ring, then make stopper portion carry out spacingly to the rotation of puncturing the lantern ring along first direction to make driving surface and driving rib take place relative slip, thereby make puncture the lantern ring and upwards move under rotatory lantern ring's effect, in order to guarantee the puncture efficiency to the sealing membrane, and then shorten the required time and puncture degree of difficulty when the user punctures the sealing membrane, and then improved user experience.

Optionally, the upper casing is equipped with the connecting rib and locates the spacing arch of connecting rib, rotatory lantern ring has the locking muscle that upwards extends, the locking muscle with connecting rib joint cooperation, spacing arch is used for preventing rotatory lantern ring is rotatory.

By adopting the technical scheme, as the locking rib is in clamping fit with the connecting rib, the rotary lantern ring is connected to the upper shell, and meanwhile, the rotary lantern ring is guaranteed to rotate relative to the upper shell, so that the connection stability of the rotary lantern ring and the upper shell is improved; because the existence of spacing arch makes the user begin to rotate the lantern ring of rotating, then need apply great rotation force to the lantern ring of rotating, and after the spacing arch is passed over to the locking muscle, the rotation force that needs to apply to the lantern ring of rotating reduces to some extent, the rotation force that needs to apply when having increased when puncturing to the sealing membrane in turn, in order to avoid the condition that the sealing membrane is punctured because of receiving vibrations in transportation or handling at body blood glucose monitoring device, thereby improve the product quality of body blood glucose monitoring device, avoid simultaneously leading to the condition that the sealing membrane is punctured because of user's maloperation, and then further improved user experience.

Optionally, a storage bin is arranged in the cavity opening of the accommodating cavity, and the storage bin is arranged close to the avoidance area, so that at least part of the area of the punctured sealing film can be stored into the storage bin under the action of the avoidance area.

Through adopting above-mentioned technical scheme, when the lantern ring of puncturing upwards moves under the effect of rotatory lantern ring, puncture the district and puncture the sealing membrane, the sealing membrane that is pricked moves to the storage warehouse under the pushing action in district of dodging to make sealing membrane and holding chamber's accent form dodging, in order to avoid the sealing membrane that is pushed back and the condition that sensor assembly formed the interference, in order to guarantee that sensor assembly can assemble in the transmitter subassembly, thereby improve the product quality of in-vivo blood sugar monitoring devices, and then improve user's use experience.

Optionally, the puncture piece is inside to be equipped with the positioning seat that is used for installing the transmitter subassembly, the positioning seat is equipped with spacing portion, puncture piece be provided with spacing portion in the cooperation portion of vertical direction sliding fit.

By adopting the technical scheme, the rotary lantern ring rotates along the first direction, so that after the sealing film is punctured by the puncture lantern ring, the lower shell is separated from the upper shell, the needle assisting unit is triggered, the sensor component moves downwards under the action of the needle assisting unit and is assembled on the emitter component, meanwhile, the positioning seat drives the limiting part to move under the action of the needle assisting unit, so that the limiting part and the matching part slide relatively, at least part of the sensor component penetrates into subcutaneous tissue, the installation of the in-vivo blood glucose monitoring device is finished, and the emitter component is prevented from following the separation of the lower shell and the upper shell after the lower shell is taken down in the process, so that the effect of conveniently assembling the sensor component and the emitter component together is achieved; simultaneously, spacing portion and cooperation portion sliding fit to avoid stabbing the lantern ring and rise the back under the effect of rotatory lantern ring, lead to the unable condition of assembling in the human body of on-line monitoring unit, in order to guarantee will be in the assembly of body monitoring unit in the human body when assembling sensor assembly in transmitter assembly.

Optionally, the housing includes an upper housing and a lower housing, the upper housing is internally provided with the accommodating cavity, the lower housing is internally provided with the accommodating space, and the lower housing includes a supporting portion, and the supporting portion can extend into the accommodating space to support the emitter assembly.

Through adopting above-mentioned technical scheme, owing to the lower casing is provided with the supporting part that can stretch into in the accommodation space, then makes supporting part support the transmitter subassembly to make the transmitter subassembly stay in the setting position, in order to avoid receiving vibrations and taking place the condition of relative downward movement with lower casing because of rotatory lantern ring rotates and lead to the positioning seat, and then increase the stability of transmitter subassembly.

Optionally, the casing includes casing and lower casing, the inside formation of casing is gone up the accommodation chamber, the inside formation of casing is down the accommodation space, it is provided with the joint muscle and locates to go up the casing two backstop muscle of joint muscle, the casing has the joint muscle that upwards extends the setting down, the joint muscle with joint muscle joint cooperation, the backstop muscle is used for preventing the casing is rotatory down.

By adopting the technical scheme, as the clamping ribs are matched with the connecting ribs in a clamping way, the lower shell is detachably connected with the upper shell, so that the connection stability of the lower shell and the upper shell is improved; simultaneously, when rotating the lantern ring, joint muscle and backstop muscle backstop cooperation to prevent that the lower casing from following the rotation of the lantern ring, in order to guarantee the spacing effect of lower casing to puncture the lantern ring, thereby guarantee the user to puncture efficiency and the reduction of sealing membrane puncture the degree of difficulty, and then further improve user's use experience.

By adopting the technical scheme, the application has the following beneficial effects:

The in-vivo blood glucose monitoring device comprises a shell, an in-vivo monitoring unit, a sealing film and a puncturing piece, wherein an accommodating cavity with a downward cavity opening and an accommodating space positioned below the accommodating cavity are formed in the shell, the in-vivo monitoring unit comprises a sensor component arranged in the accommodating cavity and a transmitter component arranged in the accommodating space, the sealing film is arranged at the cavity opening of the accommodating cavity and is used for sealing the accommodating cavity, the puncturing piece is arranged in the accommodating space, a puncturing area and an avoiding area are circumferentially arranged on the puncturing piece, the puncturing piece can move relative to the sealing film, so that the sealing film is punctured by the puncturing area, and the punctured sealing film is accommodated in the accommodating cavity under the effect of the avoiding area, so that when the in-vivo blood glucose monitoring device is used, a user only needs to operate the puncturing piece and a needle assisting unit, and the step of manually assembling the sensor component is omitted, and the user experience is further improved. Simultaneously, avoided the user to take out the back with sensor subassembly from the wrapping bag, the sensor subassembly exposes in the air and leads to the condition that sensor subassembly was polluted by pathogenic bacteria in the air to greatly reduced the risk that the user infects, and then further improved user's use experience.

Drawings

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

FIG. 1 is a schematic diagram of an in-vivo blood glucose monitoring device according to an embodiment of the present application;

FIG. 2 is a cross-sectional view of an in-vivo blood glucose monitoring device according to one embodiment of the present application;

FIG. 3 is an exploded view of an in-vivo blood glucose monitoring device according to one embodiment of the present application;

FIG. 4 is an enlarged view of the portion A of FIG. 3;

FIG. 5 is a schematic view of a rotary collar according to an embodiment of the present application, wherein the dashed arrow indicates a first direction;

FIG. 6 is a schematic diagram illustrating a connection relationship between the rotary collar and the puncture collar according to an embodiment of the present application, wherein a dashed arrow indicates a first direction;

FIG. 7 is a schematic view of a puncture collar according to an embodiment of the present application;

fig. 8 is a schematic structural view of the lower housing according to an embodiment of the present application.

Reference numerals:

1. A housing; 11. an upper housing; 111. a receiving chamber; 112. a connecting rib; 113. a storage bin; 114. a limit protrusion; 115. a guide surface; 116. stop ribs; 117. a transition surface; 12. a lower housing; 121. an accommodating space; 122. a stop portion; 123. a support part; 124. clamping the rib;

2. A sensor assembly;

3. A transmitter assembly;

4. A sealing film;

5. a piercing member; 51. rotating the collar; 511. a driving section; 512. a limit groove; 513. a locking rib; 52. puncturing the collar; 521. a lancing zone; 522. an avoidance zone; 523. a transmission part; 524. convex ribs; 525. a positioning seat; 526. a limit part; 527. a mating portion;

6. A needle assisting unit.

Detailed Description

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

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited to the specific embodiments disclosed below. It should be noted that, without conflict, embodiments of the present application and features in each embodiment may be combined with each other.

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

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

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

Referring to fig. 1 to 8, an in-body blood glucose monitoring device is disclosed, which comprises a housing 1, an in-body monitoring unit, a sealing membrane 4 and a puncture member 5, wherein the housing 1 is internally provided with a containing cavity 111 with a downward cavity mouth and a containing space 121 below the containing cavity 111; the body monitoring unit comprises a sensor component 2 arranged in the accommodating cavity 111 and a transmitter component 3 arranged in the accommodating space 121; the sealing film 4 is arranged at the cavity opening of the accommodating cavity 111 and is used for sealing the accommodating cavity 111; the piercing member 5 is disposed in the accommodating space 121, the piercing member 5 is circumferentially provided with a piercing region 521 and an avoidance region 522, and the piercing member 5 can move relative to the sealing film 4, so that the sealing film 4 is pierced by the piercing region 521, and the pierced sealing film 4 is accommodated into the accommodating cavity 111 under the action of the avoidance region 522.

When the in-vivo blood glucose monitoring device is used by a user, the puncturing piece 5 is firstly operated to enable the puncturing piece 5 to move relative to the sealing membrane 4, then the puncturing area 521 punctures the sealing membrane 4, the avoiding area 522 drives the punctured sealing membrane 4 to enable the punctured sealing membrane 4 to be contained in the containing cavity 111, so that the containing cavity 111 is unsealed, then the needle assisting unit 6 of the in-vivo blood glucose monitoring device is triggered, the sensor assembly 2 is assembled to the emitter assembly 3 under the action of the needle assisting unit 6, and meanwhile the sensor is penetrated into subcutaneous tissue to complete the assembly of the in-vivo blood glucose monitoring device to a human body.

In summary, when the in-vivo blood glucose monitoring device of the present application is used, only the user needs to operate the piercing member 5 and the needle assisting unit 6, and the step of manually assembling the sensor assembly 2 is omitted, so that the operation steps of the user are simplified, and the use experience of the user is improved. Simultaneously, avoided the user to take out back with sensor subassembly 2 from the wrapping bag, sensor subassembly 2 exposes in the air and leads to the condition that sensor subassembly 2 was polluted by pathogenic bacteria in the air to greatly reduced the risk that the user infects, and then further improved user's use experience.

The present application is not particularly limited in the structure of the lancing member 5, and any one of the following embodiments may be adopted:

In the first embodiment, referring to fig. 2, 3,5 and 7, the piercing member 5 includes a rotating collar 51 and a piercing collar 52 disposed inside the rotating collar 51, the rotating collar 51 is provided with a driving portion 511, and the piercing collar 52 is provided with a transmission portion 523 cooperating with the driving portion 511, so that when the rotating collar 51 rotates in a first direction, the piercing collar 52 can be driven to move upwards to pierce the sealing film 4.

When the sealing film 4 is pierced, a rotational force is applied to the rotating collar 51 along the first direction, so that the rotating collar 51 and the housing 1 relatively rotate, and meanwhile, the rotating collar 51 drives the driving part 511 to move, so that the driving part 511 and the transmission part 523 relatively move, and the piercing collar 52 moves upwards under the action of the transmission part 523, so that the piercing area 521 pierces the sealing film 4, and the avoiding area 522 pushes the pierced sealing film 4, so that the pierced sealing film 4 is accommodated in the accommodating cavity 111, and the unsealing of the accommodating cavity 111 is completed. In the process of unsealing the accommodating cavity 111, the user only needs to rotate the rotary lantern ring 51, so that the operation difficulty and operation steps of the user are simplified, the user can rapidly unseal the accommodating cavity 111, and the use experience of the user is further improved.

The structure of the driving portion 511 and the transmission portion 523 is not particularly limited in the present application, and preferably, referring to fig. 3, 5 and 7, the driving portion 511 includes a driving surface extending obliquely upward in a second direction opposite to the first direction, and the transmission portion 523 is a transmission rib abutting against the driving surface.

When the rotary sleeve ring 51 rotates along the first direction, the rotary sleeve ring 51 drives the driving surface to move, and meanwhile, the driving surface and the transmission rib slide relatively, and as the driving surface extends upwards obliquely along the second direction opposite to the first direction, the puncture sleeve ring 52 moves upwards under the action of the driving surface, so that the puncture sleeve ring 52 moves upwards when the rotary sleeve ring 51 rotates along the first direction, the structural complexity of the in-vivo blood glucose monitoring device is simplified, the production cost of the in-vivo blood glucose monitoring device is reduced, and the production efficiency of the in-vivo blood glucose monitoring device is improved.

The forming mode of the driving surface is not particularly limited, preferably, the bottom of the rotary sleeve ring 51 is provided with the driving rib in an upward extending mode, the driving rib is positioned in the rotary sleeve ring 51, and the top end face of the driving rib forms the driving surface so as to ensure the transmission effect between the driving surface and the driving rib, thereby ensuring the puncturing efficiency of a sealing film 4 by a user and further improving the use experience of the user. In other embodiments, the inner wall of the rotating collar 51 is provided with a sliding groove, into which the driving rib extends, so that the bottom side wall of the sliding groove forms the driving surface.

In other embodiments, the positions of the driving surface and the driving rib may be exchanged, that is, the driving surface is disposed on the outer wall of the puncture collar 52, and the driving rib is disposed on the inner wall of the rotary collar 51.

In a preferred embodiment, referring to fig. 3 and 5, the driving part 511 has a driving start end and a driving end in the second direction in sequence, and the driving end is provided with a limiting groove 512 capable of accommodating the driving part 523.

When the rotary collar 51 rotates in the first direction, the driving surface and the driving rib slide relatively, so that the contact position of the driving surface and the driving rib gradually changes from the driving initial end to the driving tail end, when the driving tail end contacts with the driving rib, the driving rib moves into the limit groove 512, the sealing film 4 is pierced, and meanwhile, the pierced sealing film 4 is estimated to be in the accommodating cavity 111; by arranging the limit groove 512 at the driving end, the transmission rib and the limit groove 512 are matched to realize rotation limit of the rotary sleeve ring 51, that is, after the sealing film 4 is pierced, the rotary sleeve ring 51 cannot continue to rotate so as to remind a user that the accommodating cavity 111 is unsealed, and the needle assisting unit 6 can be triggered at the moment, so that the use experience of the user is further improved; meanwhile, the cooperation of the transmission rib and the limiting groove 512 can also enable the puncture collar 52 to be stopped at a position where the sealing film 4 is pushed to the accommodating cavity 111, so that the situation that the sensor assembly 2 is assembled on the emitter assembly 3 due to the fact that the sealing film 4 is separated from the accommodating cavity 111 under the action of self toughness is avoided, and further after the needle assisting unit 6 is triggered, the sensor assembly 2 can be assembled on the emitter assembly 3, and the product quality of the in-vivo blood glucose monitoring device is improved.

In a preferred embodiment, referring to fig. 1,2, 3 and 6, the housing 1 includes an upper housing 11 and a lower housing 12, the upper housing 11 forms a receiving cavity 111 therein, the lower housing 12 forms a receiving space 121 therein, and the lower housing 12 includes a stopper 122, the stopper 122 for abutting against the puncture collar 52 to prevent the puncture collar 52 from rotating with the rotating collar 51 in the first direction.

Specifically, the bottom port of the lower housing 12 forms a cavity opening of the accommodating cavity 111, so as to achieve the effect of facilitating the installation of the sealing film 4, and meanwhile, the connection area between the sealing film 4 and the cavity opening of the accommodating cavity 111 is increased, so as to ensure the sealing effect of the sealing film 4 on the accommodating cavity 111.

When the rotary sleeve ring 51 rotates along the first direction, the rotary sleeve ring 51 drives the driving surface to move, and the stop part 122 is abutted against the puncture sleeve ring 52, so that the stop part 122 limits the rotation of the puncture sleeve ring 52 along the first direction, so that the driving surface and the transmission rib slide relatively, the puncture sleeve ring 52 moves upwards under the action of the rotary sleeve ring 51, the puncture efficiency of the sealing film 4 is ensured, the time required by a user for puncturing the sealing film 4 is shortened, the puncture difficulty is reduced, and the use experience of the user is improved.

In the present application, the abutment manner between the stop portion 122 and the puncture collar 52 is not specifically limited, and preferably, referring to fig. 1,2, 3 and 6, the stop portion 122 is a columnar structure extending upward from the lower housing 12, the inner wall of the puncture collar 52 is provided with a rib 524, and after the body glucose monitoring device is assembled, the stop portion 122 abuts against one side of the rib 524 facing the second direction, so that when the rotation collar 51 rotates in the first direction, the stop portion 122 limits the rib 524 to prevent the puncture collar 52 from rotating along the rotation collar 51 in the first direction. In other embodiments, the stop portion 122 is also a columnar structure extending upward from the lower housing 12, and the piercing collar 52 is provided with a hole into which the columnar structure extends, so that the stop portion 122 is in abutting engagement with the wall of the hole to limit the piercing collar 52.

Further, referring to fig. 2 and 3, the upper case 11 is provided with a connection rib 112 and a limit protrusion 114 provided on the connection rib 112, the rotary collar 51 has an upwardly extending locking rib 513, the locking rib 513 is engaged with the connection rib 112 in a locking manner, and the limit protrusion 114 is used for preventing the rotary collar 51 from rotating.

Because the locking ribs 513 are in clamping fit with the connecting ribs 112, the rotary lantern ring 51 is connected to the upper shell 11, and meanwhile, the rotary lantern ring 51 can rotate relative to the upper shell 11, so that the connection stability of the rotary lantern ring 51 and the upper shell 11 is improved; due to the existence of the limiting protrusion 114, when a user starts to rotate the rotating collar 51, a larger rotating force needs to be applied to the rotating collar 51, and after the locking rib 513 passes over the limiting protrusion 114, the rotating force applied to the rotating collar 51 needs to be reduced, and then the rotating force required to be applied when the sealing film 4 is to be punctured is increased, so that the condition that the sealing film 4 is punctured due to rotation caused by vibration in the transportation or carrying process of the body blood glucose monitoring device is avoided, the product quality of the body blood glucose monitoring device is improved, the condition that the sealing film 4 is punctured due to misoperation of the user is avoided, and the use experience of the user is further improved.

Referring to fig. 3, preferably, a guide surface 115 is provided on a side of the limit protrusion 114 facing the rotation of the locking rib 513 in the first direction, so as to reduce a force required when the user starts to rotate the rotary collar 51 in the first direction, thereby reducing a difficulty of piercing the sealing film 4 by the user, and further improving a use experience of the user.

In the second embodiment, the piercing member 5 includes the piercing collar 52 slidably engaged with the housing 1, the piercing area 521 and the avoiding area 522 are disposed at the top of the piercing collar 52, and the bottom projection of the piercing collar 52 is the interior of the housing 1, that is, the design of the rotating collar 51 in the first embodiment is omitted, and piercing of the sealing membrane 4 is achieved only by the relative sliding of the piercing collar 52 and the housing 1, so as to reduce the components required by the in-vivo blood glucose monitoring device, and further reduce the production cost of the in-vivo blood glucose monitoring device.

In a preferred embodiment, the housing 1 is provided with a positioning portion, the peripheral side wall of the puncture collar 52 is provided with a groove, and the positioning portion extends into the groove to limit the puncture collar 52, so as to avoid the situation that the puncture collar 52 and the housing 1 slide relatively to puncture the sealing film 4 due to vibration in the process of carrying or transporting the body blood glucose monitoring device, thereby ensuring the product quality of the body blood glucose monitoring device. When the sealing film 4 is pierced, the piercing collar 52 is pressed upwards or the housing 1 is pressed downwards to separate the positioning part from the groove, so that the positioning part releases the limit of the piercing collar 52, and the piercing collar 52 and the housing 1 slide relatively and pierce the sealing film 4.

In a preferred embodiment, referring to fig. 2, a storage bin 113 is disposed in the cavity opening of the accommodating cavity 111, and the storage bin 113 is disposed near the avoidance area 522, so that at least a part of the area of the punctured sealing membrane 4 can be stored into the storage bin 113 under the action of the avoidance area 522.

When the puncture collar 52 moves upwards under the action of the rotary collar 51, the puncture area 521 punctures the sealing film 4, the punctured sealing film 4 moves into the storage bin 113 under the pushing action of the avoidance area 522, so that the sealing film 4 and the cavity opening of the accommodating cavity 111 form avoidance, interference between the pushed sealing film 4 and the sensor assembly 2 is avoided, the sensor assembly 2 can be assembled on the emitter assembly 3, the product quality of the in-vivo blood glucose monitoring device is improved, and the use experience of a user is further improved.

Preferably, the accommodating cavity 111 comprises a central cavity and an annular cavity surrounding the central cavity, and the accommodating bin 113 is arranged in the annular cavity, so that the stability of the accommodating bin 113 is improved, and the stability of the sealing film 4 pushed into the accommodating bin 113 is ensured.

In a preferred embodiment, referring to fig. 2,3, 6 and 7, the lancing member 5 is internally provided with a positioning seat 525 for mounting the launcher assembly 3, the positioning seat 525 is provided with a stopper 526, and the lancing member 5 is provided with an engaging portion 527 slidably engaged with the stopper 526 in the vertical direction.

The rotating collar 51 rotates along the first direction, so that after the sealing film 4 is pierced by the piercing collar 52, the lower shell 12 is separated from the upper shell 11, the needle assisting unit 6 is triggered, then the sensor component 2 moves downwards under the action of the needle assisting unit 6 and is assembled to the emitter component 3, meanwhile, the positioning seat 525 drives the limiting part 526 to move under the action of the needle assisting unit 6, so that the limiting part 526 and the matching part 527 slide relatively, at least part of the sensor component 2 finally penetrates into subcutaneous tissue, and the installation of the in-vivo blood glucose monitoring device is completed, in this process, the situation that the lower shell 12 is removed and then the emitter component 3 is separated from the upper shell 11 along with the lower shell 12 is avoided, so that the effect of assembling the sensor component 2and the emitter component 3 together is achieved; meanwhile, the limiting part 526 is in sliding fit with the matching part 527, so that the situation that the on-line monitoring unit cannot be assembled on a human body after the puncture collar 52 rises under the action of the rotary collar 51 is avoided, and the sensor assembly 2 is assembled on the emitter assembly 3, and meanwhile the on-body monitoring unit is assembled on the human body is guaranteed.

In the present application, the structures of the limiting portion 526 and the mating portion 527 are not particularly limited, and preferably, referring to fig. 7, the limiting portion 526 is a plate structure in which the positioning seat 525 extends outwards, the mating portion 527 is a bar structure extending in the vertical direction, and the plate structure is provided with a mating groove in sliding fit with the bar structure, so as to achieve the purpose that the positioning seat 525 and the puncture collar 52 can slide relatively. In other embodiments, the limiting portion 526 may also be a groove structure extending in a vertical direction, and the mating portion 527 is a rod structure extending outward from the puncture collar 52 and extending into the groove structure.

In a preferred embodiment, referring to fig. 2 and 8, the housing 1 includes an upper housing 11 and a lower housing 12, the upper housing 11 internally forms a receiving chamber 111, the lower housing 12 internally forms a receiving space 121, and the lower housing 12 includes a supporting portion 123 capable of extending into the receiving space 121 to support the emitter assembly 3.

It can be appreciated that the lower housing 12 includes a body and a supporting portion 123 disposed on the body and capable of extending into the accommodating space 121, so that the supporting portion 123 supports the emitter assembly 3, so that the emitter assembly 3 stays at a set position, and the positioning seat 525 is prevented from relatively moving downward with respect to the lower housing 12 due to vibration caused by rotation of the rotating collar 51, thereby increasing stability of the emitter assembly 3.

The structure of the supporting portion 123 is not particularly limited in the present application, and preferably, the supporting portion 123 is a columnar structure provided on the body, so as to reduce the material consumption of the lower housing 12, thereby reducing the production cost of the in-vivo blood glucose monitoring device. In other embodiments, the supporting portion 123 may be a block structure provided on the body, or other structures that can support the emitter assembly 3.

In a preferred embodiment, referring to fig. 1 to 4, the housing 1 includes an upper housing 11 and a lower housing 12, the upper housing 11 forms a receiving cavity 111 inside, the lower housing 12 forms a receiving space 121 inside, the upper housing 11 is provided with a connecting rib 112 and two stop ribs 116 provided on the connecting rib 112, the lower housing 12 has a clamping rib 124 extending upward, the clamping rib 124 is in clamping fit with the connecting rib 112, and the stop ribs 116 are used for preventing the lower housing 12 from rotating.

It can be appreciated that a plurality of clamping ribs 124 are disposed along the circumferential direction of the lower housing 12, and the plurality of clamping ribs 124 and the lower housing 12 together enclose a receiving space 121.

Specifically, after the upper shell 11 is assembled with the upper shell 11, the two stop ribs 116 are respectively located at two opposite sides of the clamping rib 124 and are abutted against the clamping rib 124, so that the clamping rib 124 is matched with the stop rib 116 in a stop mode, the lower shell 12 is prevented from rotating along with the rotary lantern ring 51, the limiting effect of the lower shell 12 on the puncture lantern ring 52 is guaranteed, the puncture efficiency of a user on the sealing film 4 is guaranteed, the puncture difficulty is reduced, and the use experience of the user is further improved. Meanwhile, the clamping ribs 124 are matched with the connecting ribs 112 in a clamping manner, so that the lower shell 12 is detachably connected with the upper shell 11, and the connection stability of the lower shell 12 and the upper shell 11 is improved.

Referring to fig. 4, preferably, the wall surface of the stop rib 116 deviating from the upper shell 11 and the wall surface of the connecting rib 112 deviating from the upper shell 11 are flush, and one side of the stop rib 116 close to the clamping rib 124 is obliquely provided with a transition surface 117, so that when a user dismantles the lower shell 12, the user can rotate towards the direction of the transition surface 117, then the clamping end of the clamping rib 124 moves to the wall surface of the stop rib 116 deviating from the upper shell 11 under the action of the transition surface 117, and then the lower shell 12 is pulled downwards, thereby reducing the force required by the user when dismantling the lower shell 12, and further improving the use experience of the user.

The material for manufacturing the sealing film 4 is not particularly limited, and preferably, the sealing film 4 is a membrane structure manufactured by aluminum materials so as to ensure the sealing effect on the accommodating cavity 111. In other embodiments, the sealing film 4 may also be a membrane structure made of plastic or other materials with sealing property.

The ratio of the puncturing area 521 and the avoiding area 522 to occupy the circumferential direction of the puncturing member 5 is not particularly limited, and preferably, referring to fig. 7, the puncturing area 521 occupies 4/5 of the circumferential direction area of the puncturing member 5, and the avoiding area 522 occupies 1/5 of the circumferential direction area of the puncturing member 5, so as to realize unsealing of the accommodating cavity 111 and ensure that the punctured sealing film 4 can be pushed into the accommodating cavity 111 under the action of the avoiding area 522. In other embodiments, the puncturing region 521 and the avoiding region 522 may each occupy other proportions of the circumferential region of the puncturing member 5, as long as the puncturing of the sealing film 4 can be achieved, and the punctured sealing film 4 can be pushed into the accommodating cavity 111 by the avoiding region 522.

The manner of forming the puncturing region 521 is not particularly limited in the present application, and preferably, referring to fig. 7, the puncturing region 521 is formed by a tooth structure of the puncturing element 5 extending upward, so as to ensure the puncturing effect on the sealing film 4. In other embodiments, the lancing zone 521 may also be formed by an arcuate blade provided on the lancing member 5.

In a preferred embodiment, referring to fig. 2, the housing 1 includes an upper housing 11 and a lower housing 12, a receiving cavity 111 is formed inside the upper housing 11, a receiving space 121 is formed inside the lower housing 12, a needle assisting unit 6 that can be triggered by a user is disposed in the receiving cavity 111, the sensor assembly 2 is disposed at the bottom of the needle assisting unit 6, so that after the sealing film 4 is pierced and stored in the receiving cavity 111, and after the needle assisting unit 6 is triggered, the sensor assembly 2 can move downward under the pushing action of the needle assisting unit 6 and be assembled on the emitter assembly 3 while piercing subcutaneous tissue, so as to simplify the steps of using the in-vivo monitoring unit by the user, and further improve the use experience of the user.

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

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

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

Claims (10)

1. An in-vivo blood glucose monitoring device, comprising:

A housing (1) having a housing chamber (111) with a downward opening therein and a housing space (121) located below the housing chamber (111);

The body monitoring unit comprises a sensor component (2) arranged in the accommodating cavity (111) and a transmitter component (3) arranged in the accommodating space (121);

a sealing film (4) which is arranged at the cavity opening of the accommodating cavity (111) and is used for sealing the accommodating cavity (111);

The puncturing piece (5) is arranged in the accommodating space (121), a puncturing area (521) and an avoidance area (522) are circumferentially arranged on the puncturing piece (5), the puncturing piece (5) can move relative to the sealing film (4), the sealing film (4) is punctured by the puncturing area (521), and the punctured sealing film (4) is accommodated in the accommodating cavity (111) under the action of the avoidance area (522).

2. An in-vivo blood glucose monitoring device according to claim 1, wherein the piercing member (5) comprises a rotating collar (51) and a piercing collar (52) located inside the rotating collar (51), the rotating collar (51) is provided with a driving part (511), and the piercing collar (52) is provided with a transmission part (523) matched with the driving part (511) so that when the rotating collar (51) rotates in a first direction, the piercing collar (52) can be driven to move upwards to pierce the sealing membrane (4).

3. An in-vivo blood glucose monitoring device according to claim 2, wherein the driving part (511) comprises a driving surface, the driving surface extends obliquely upwards along a second direction opposite to the first direction, and the transmission part (523) is a transmission rib abutting against the driving surface.

4. An in-vivo blood glucose monitoring device according to claim 2, characterized in that the driving part (511) has a driving start and a driving end in sequence along the second direction, the driving end being provided with a limit groove (512) capable of accommodating the transmission part (523).

5. An in-vivo blood glucose monitoring device according to claim 2, wherein the housing (1) comprises an upper housing (11) and a lower housing (12), the upper housing (11) internally forms the accommodating cavity (111), the lower housing (12) internally forms the accommodating space (121), the lower housing (12) comprises a stop portion (122), and the stop portion (122) is used for abutting the puncture collar (52) so as to prevent the puncture collar (52) from rotating along with the rotating collar (51) in a first direction.

6. The in-vivo blood glucose monitoring device according to claim 5, wherein the upper housing (11) is provided with a connecting rib (112) and a limiting protrusion (114) arranged on the connecting rib (112), the rotary collar (51) is provided with an upwardly extending locking rib (513), the locking rib (513) is in clamping fit with the connecting rib (112), and the limiting protrusion (114) is used for preventing the rotary collar (51) from rotating.

7. An in-vivo blood glucose monitoring device according to claim 1, wherein a storage bin (113) is arranged in the cavity opening of the accommodating cavity (111), and the storage bin (113) is arranged close to the avoidance area (522) so that at least part of the area of the punctured sealing membrane (4) can be stored in the storage bin (113) under the action of the avoidance area (522).

8. An in-vivo blood glucose monitoring device according to claim 1, characterized in that a positioning seat (525) for mounting the emitter assembly (3) is provided inside the piercing member (5), the positioning seat (525) is provided with a limiting portion (526), and the piercing member (5) is provided with a mating portion (527) slidingly mated with the limiting portion (526) in a vertical direction.

9. The on-line blood glucose monitoring device according to claim 1, wherein the housing (1) comprises an upper housing (11) and a lower housing (12), the upper housing (11) is internally provided with the accommodating cavity (111), the lower housing (12) is internally provided with the accommodating space (121), the lower housing (12) comprises a supporting part (123), and the supporting part (123) can extend into the accommodating space (121) to support the emitter assembly (3).

10. The on-line blood glucose monitoring device according to claim 1, wherein the housing (1) comprises an upper housing (11) and a lower housing (12), the accommodating cavity (111) is formed inside the upper housing (11), the accommodating space (121) is formed inside the lower housing (12), the upper housing (11) is provided with a connecting rib (112) and two stop ribs (116) arranged on the connecting rib (112), the lower housing (12) is provided with a clamping rib (124) extending upwards, the clamping rib (124) is matched with the connecting rib (112) in a clamping manner, and the stop ribs (116) are used for preventing the lower housing (12) from rotating.