CN113908367B

CN113908367B - Insulin preservation device

Info

Publication number: CN113908367B
Application number: CN202111352608.7A
Authority: CN
Inventors: 李媛媛
Original assignee: First Affiliated Hospital of Zhengzhou University
Current assignee: First Affiliated Hospital of Zhengzhou University
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2023-09-29
Anticipated expiration: 2041-11-16
Also published as: CN113908367A

Abstract

The invention discloses an insulin preservation device, which comprises an outer shell, wherein an insulin pen storage area and an insulin pen core storage area are arranged in the outer shell, a storage box body is arranged in the insulin pen storage area, the storage box body is provided with a storage cavity and an air bag component for protecting an insulin pen, and a placement inclined plate for placing an insulin pen core body is arranged in the insulin pen core storage area. According to the invention, when the insulin pen is inserted into the storage cavity, the air pipe can be conducted, compressed air is generated by the air compression equipment and is introduced into the air charging groove, and then the protective air bag is inflated, so that the protective air bag wraps the insulin pen, the insulin pen is protected, one insulin pen core can be separated from other insulin pen cores by arranging the separation assembly in the insulin pen core storage area, the insulin pen cores can fall into the separation cavity and gradually return to room temperature, and the insulin pen is stored for a short time, so that the insulin pen is convenient for a patient to use.

Description

Insulin preservation device

Technical Field

The invention relates to the technical field of medical instruments, in particular to an insulin preservation device.

Background

Diabetes is a metabolic disease characterized by hyperglycemia due to insulin secretion deficiency or insulin action disorder, and continuous hyperglycemia, long-term metabolic disorder, etc. can cause damage to systemic tissues and organs, especially eyes, kidneys, cardiovascular and nervous systems, dysfunction and failure thereof, serious people can cause dehydration, electrolyte disorder, acid-base imbalance, etc. acute complications such as ketoacidosis and hypertonic coma, and for serious diabetics, blood glucose control by quantitative and quantitative insulin injections every day is required.

At present, an insulin pen is used as equipment for injecting insulin, so that the complicated process of extracting insulin from a medicine bottle by using an injector for a patient and then injecting the insulin can be avoided, the embarrassment of injecting the insulin in public places again for the patient can be avoided, and the insulin pen is mostly composed of three parts: refill, refill frame and syringe needle, current patient usually places it in domestic refrigerator when preserving the insulin pen, but because in daily life, the use number of times of refrigerator is more, in switch refrigerator and take the in-process of article, easily influence the preservation of insulin pen, and because just take out refill temperature in the refrigerator lower, if direct injection can cause patient's uncomfortable sense, consequently usually need take out the refill and keep still for a period of time again and make it inject after the normal atmospheric temperature, adopt this kind of method more waste time, can't satisfy the user demand under emergency.

For this purpose, an insulin preservation device is proposed to solve the above-mentioned problems.

Disclosure of Invention

The invention aims to provide an insulin preservation device, which solves the problems that the insulin provided in the background art has poor protective effect during preservation, and the time required for taking out an insulin pen core and waiting for the insulin pen core to return to normal temperature is long.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an insulin preservation device, includes the shell body, the inside insulin pen that has of shell body deposits district and an insulin refill deposits district, still including setting up in the inside air conditioning supply mechanism of shell body, air conditioning output port and insulin pen of air conditioning supply mechanism deposit district and insulin refill and are linked together to let in air conditioning to its inside, be provided with the case body in the insulin pen deposits the district, the case body has set up at its inside at least two and is used for placing insulin pen deposit the chamber, and set up in the inside gasbag subassembly that is used for protecting the insulin pen of depositing the case body, gasbag subassembly includes:

the air charging grooves are arranged below the storage cavity, two adjacent air charging grooves are communicated through a connecting main pipe, and one end of the connecting main pipe is connected with air compression equipment;

air pipes are respectively arranged on two sides of the storage cavity, and one end of each air pipe is communicated with the corresponding air inflation groove;

the inside of the storage cavity is provided with a protective air bag which is communicated with the air pipe through a connecting piece;

the sealing assembly is arranged in the inflation groove and used for controlling the conduction and sealing of the communication part of the air pipe and the inflation groove;

the insulin refill storage area is internally provided with a placement sloping plate used for placing an insulin refill body, one side of the placement sloping plate is provided with a separation assembly used for separating the insulin refill body, one side of the insulin refill storage area is provided with an output groove, the output groove is arranged on one side close to the lower end of the placement sloping plate, an isolation cavity is formed in the outer shell, the isolation cavity is communicated with the output groove, a first cover plate is connected to the output groove, the first cover plate is driven to rotate by a first motor to control the conduction and the sealing of the output groove, a first pressure sensor is arranged on the first cover plate, and a second pressure sensor is arranged on the inner bottom surface of the isolation cavity.

Preferably, a second cover plate is hinged at the upper end opening of the storage cavity corresponding to the surface of the storage box body, and the second cover plate is connected with the storage box body through a clamping structure.

Preferably, the plugging assembly comprises a sliding block arranged at the bottom of the storage cavity in a sliding manner, the bottom of the sliding block is connected with a spring, two sides of the sliding block are respectively connected with a plugging head through connecting rods, and the plugging heads correspond to the ports of the air pipes.

Preferably, the baffle is provided with respectively to the both sides of placing the swash plate, the separation subassembly is including rotationally installing in the U template of baffle one side, two vertical portions of U template extend to the middle part of placing the swash plate have the horizontal pole, two the horizontal pole is located the top and the below of placing the swash plate respectively, the horizontal pole extends towards one side of placing the swash plate has the pin.

Preferably, the device further comprises a cam, wherein the cam is arranged below the U-shaped plate and is in contact with the vertical part, and a second motor for controlling the cam to rotate is arranged on one side of the cam.

Preferably, a chute is formed in the middle of the inclined plate so that the stop lever slides in the chute.

Preferably, the vertical part of the U-shaped plate above is longer than the vertical part below, and the distance between the two stop rods respectively connected with the two vertical parts is larger than the diameter of the insulin pen refill body.

Preferably, an opening communicated with the outside is formed in one side of the isolation cavity, a third cover plate is hinged to the opening, and the third cover plate is arranged on the surface of the outer shell.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, when the insulin pen is stored in the storage cavity, one end of the insulin pen, which is inserted into the storage cavity, presses the blocking component to enable the blocking head to move downwards, so that the air pipe is conducted, compressed air is generated through the air compression equipment and is introduced into the air charging groove, and then the air charging groove, the air pipe and the connecting piece are used for charging the protective air bag to enable the protective air bag to wrap the insulin pen, so that is the insulin pen is protected, one insulin pen refill can be separated from other insulin pen refills through the separation component is arranged in the insulin pen refill storage area, the insulin pen refill can be separated from the other insulin pen refills and falls into the output groove, namely the first cover plate, the pressure sensor on the first cover plate senses the change of gravity, at the moment, the first motor is started, the first cover plate is driven to rotate downwards, the insulin pen refills fall into the isolation cavity, insulin refills in the isolation cavity are gradually restored to room temperature and are stored for a short time, the insulin pen refill can be conveniently used next time, and the insulin refill can be separated from the insulin pen refill storage area and the isolation cavity, the insulin refill storage area is provided with the separation component, the separation component is arranged in the isolation cavity, and the isolation cavity is enabled to sense the insulin refill is always has the insulin refill and the normal temperature and has the ordinary temperature and convenient insulin refill always is always used.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic cross-sectional front view of the case of the present invention;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present invention;

FIG. 4 is a schematic view of a partial cross-sectional structure of the present invention;

FIG. 5 is a schematic perspective view of a separator assembly according to the present invention;

fig. 6 is a schematic structural diagram of the working principle of the separation assembly of the present invention.

In the figure: 1. an outer housing; 2. a storage box body; 3. a storage cavity; 4. an airbag module; 41. an air charging tank; 42. connecting a main pipe; 43. an air pipe; 44. a protective airbag; 45. a plugging assembly; 451. a slide block; 452. a spring; 453. a blocking head; 5. placing a sloping plate; 6. a separation assembly; 61. a U-shaped plate; 62. a cross bar; 63. a stop lever; 64. a cam; 7. an isolation chamber; 8. a first cover plate; 9. a first pressure sensor; 10. a second pressure sensor; 11. a second cover plate; 12. a baffle; 13. and a third cover plate.

Detailed Description

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

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "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 invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

In the present invention, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected or detachably connected; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The invention provides an insulin storage device as shown in fig. 1-6, which comprises an outer shell 1, wherein the inner part of the outer shell 1 is provided with an insulin pen storage area and an insulin pen storage area, the insulin pen storage area and the insulin pen storage area are separated by a partition plate, the insulin storage device also comprises a cold air supply mechanism arranged in the inner part of the outer shell 1, a cold air outlet of the cold air supply mechanism is communicated with the insulin pen storage area and the insulin pen storage area so as to introduce cold air into the insulin pen storage area, it is understood that the upper surface of the outer shell 1 is provided with a cover body corresponding to the insulin pen storage area and the insulin pen storage area so as to form a closed storage area, the outer shell 1 and the cover body have good heat insulation and sealing effects, so as to prevent the loss of the cold air, a storage box body 2 is arranged in the insulin pen storage area, the storage box body 2 is provided with at least two storage cavities 3 which are arranged in the inner part and used for storing insulin pens, and an air bag component 4 which is arranged in the storage box body 2 and is used for protecting insulin, and the air bag component 4 comprises:

the air charging grooves 41 are arranged below the storage cavity 3, two adjacent air charging grooves 41 are communicated through a connecting main pipe 42, one end of the connecting main pipe 42 is connected with air compression equipment, and the air compression equipment is used for generating compressed air, so that the air is discharged after reaching a certain pressure;

two sides of the storage cavity 3 are respectively provided with an air pipe 43, and one end of the air pipe 43 is communicated with the air charging groove 41;

the inside of the storage cavity 3 is provided with a protective air bag 44, and the protective air bag 44 is communicated with the air pipe 43 through a connecting piece;

with the above structure, as shown in fig. 2, the compressed air generated by the air compression device is discharged into the air charging tank 41 through the connecting manifold 42, and then is charged into the protective air bag 44 through the air pipe 43 to swell the protective air bag, and the insulin pen in the storage chamber 3 is wrapped to realize protection.

The sealing component 45 is arranged in the air charging groove 41 and is used for controlling the conduction and sealing of the communication part of the air pipe 43 and the air charging groove 41;

be provided with in the insulin refill storage area and be used for placing the swash plate 5 of placing of insulin refill body, one side of placing the swash plate 5 is provided with the splitter group 6 that is used for partly separating insulin refill body, output groove has been seted up to one side of insulin refill storage area, the output groove sets up in being close to one side of placing swash plate 5 lower extreme, isolation chamber 7 has been seted up to the inside of shell body 1, isolation chamber 7 is linked together with the output groove, output groove department handing-over has first apron 8, first apron 8 is rotatory through first motor drive to control the switch on and seal of output groove, be provided with first pressure sensor 9 on the first apron 8, be provided with second pressure sensor 10 on the interior bottom surface of isolation chamber 7.

The insulin storage device should have a control module disposed in the outer casing 1, the above-mentioned separation assembly 6, the first motor, the first pressure sensor 9 and the second pressure sensor 10 are respectively electrically connected with the control module, the first pressure sensor 9 is used for cooperating with the first motor, the switch of the first motor is controlled by the change of the signal sensed by the first pressure sensor 9, the second pressure sensor 10 cooperates with the separation assembly 6, the switch of the separation assembly 6 is controlled by the change of the signal sensed by the second pressure sensor 10, further, the separation assembly 6 is used for controlling one insulin cartridge to be separated from other cartridges, so that the insulin cartridge can continue to move towards the output slot, and other cartridges are fastened and fixed on the placement sloping plate 5.

In some embodiments of the present invention, a second cover plate 11 is hinged to the surface of the storage box 2 corresponding to the upper end opening of the storage cavity 3, and the second cover plate 11 is connected to the storage box 2 through a clamping structure.

The upper end opening part of the storage cavity 3 is provided with a groove body matched with the second cover plate 11, the second cover plate 11 is rotatably arranged in the groove body, the air pipe 43 is communicated with the groove body, when the second cover plate 11 is closed, the air pipe 43 is closed, and when the second cover plate 11 is opened, the upper end opening of the air pipe 43 is opened.

In some embodiments of the present invention, the blocking assembly 45 includes a slider 451 slidably disposed at the bottom of the storage cavity 3, a spring 452 is connected to the bottom of the slider 451, two sides of the slider 451 are respectively connected to a blocking head 453 through a connecting rod, and the blocking head 453 corresponds to a port of the air tube 43.

The bottom of depositing the chamber 3 should be provided with the slip sleeve with slider 451 matched with, make slider 451 slide and set up in the sleeve, when insulin pen inserts and deposits the intracavity 3, its bottom extends to in the sleeve and extrudees slider 451 downwards, make spring 452 compress, make its shutoff to trachea 43 remove through shutoff head 453 downwardly moving, simultaneously let in compressed air to trachea 43, make protective airbag 44 aerify and wrap up the insulin pen, thereby form protective structure, when insulin pen inserts completely and deposits the intracavity 3, close second apron 11, make the upper end opening of trachea 43 seal, specifically, the upper end opening of trachea 43 is the gas outlet, the lower extreme opening is the air inlet, when the upper end opening seals, the air bag subassembly 4 plays the guard action, when insulin pen takes out, shutoff subassembly 45 seals the lower extreme air inlet, the upper end gas outlet is opened and is discharged.

In some embodiments of the present invention, the baffle plates 12 are respectively disposed at both sides of the placement swash plate 5, the separation assembly 6 includes a U-shaped plate 61 rotatably mounted at one side of the baffle plates 12, two vertical portions of the U-shaped plate 61 are extended toward the middle of the placement swash plate 5 with the cross bars 62, the two cross bars 62 are respectively disposed above and below the placement swash plate 5, and the cross bars 62 are extended toward one side of the placement swash plate 5 with the bars 63.

Referring to fig. 1, the above-mentioned placement swash plate 5 extends in the width direction of the outer housing 1, and one end thereof is inclined downward, the separation assembly 6 should be installed on the side of the lower end of the placement swash plate 5, according to the above-mentioned arrangement, when insulin cartridges are placed on the placement swash plate 5, they roll in the inclined direction of the placement swash plate 5 under the action of self gravity, and a stop lever 63 of the separation assembly 6 blocks them, so that a plurality of insulin cartridges rest on the placement swash plate 5, at this time, the U-shaped plate 61 should be in a downward inclined state, so that the stop lever 63 located below is far away from the placement swash plate 5, the stop lever 63 located above approaches the placement swash plate 5, and further a structure for blocking the insulin cartridges from continuing to roll is formed.

In some embodiments of the present invention, a cam 64 is further included, the cam 64 is installed under the U-shaped plate 61 and contacts the vertical portion, and one side of the cam 64 is provided with a second motor for controlling rotation of the cam 64.

In some embodiments of the present invention, a chute is formed in the middle of the inclined plate 5 for the bar 63 to slide in.

In some embodiments of the present invention, the upper vertical portion of the U-shaped plate 61 is longer than the lower vertical portion, and the distance between the two bars 63 respectively connected to the two vertical portions should be greater than the diameter of the insulin pen core body.

When the second motor drives the cam 64 to rotate, the far end of the cam 64 is continuously close to the lower vertical part of the U-shaped plate 61, and applies upward acting force to the cam, so that the U-shaped plate 61 is driven to rotate upwards, at the moment, the stop lever 63 positioned below moves towards the direction close to the inclined plate 5, the stop lever 63 positioned above moves towards the direction far away from the inclined plate 5, and as a certain distance is reserved between the stop lever 63 positioned below and the stop lever 63 positioned above, an insulin pen core is separated from other pen cores, the insulin pen core rolls downwards, the cam 64 continues to rotate, the U-shaped plate 61 rotates to the original position after passing through the highest point, and other pen cores are prevented from rolling, so that the purpose of separation is achieved.

In some embodiments of the present invention, an opening communicating with the outside is formed on one side of the isolation chamber 7, and a third cover plate 13 is hinged to the opening, where the third cover plate 13 is disposed on the surface of the outer casing 1.

The inner wall of the isolation cavity 7 should be filled with a heat-insulating material to ensure that the isolation cavity 7 always maintains a room temperature state, or an electronic heating element can be arranged in the isolation cavity 7 to maintain the room temperature, and when the insulin pen core enters the isolation cavity 7, the insulin pen core can be quickly restored to the room temperature state.

Working principle: in the initial state, each insulin pen is placed in the storage cavity 3, each insulin pen refill is placed on the placement inclined plate 5, one refill is stored in the isolation cavity 7, when the insulin pen is used, a patient opens the second cover plate 11 to enable the upper end opening of the air tube 43 to be conducted, gas in each protection air bag 44 is discharged along with the opening to further enable the protection air bag 44 to shrink, meanwhile, after the limitation of the second cover plate 11 is relieved, the sliding block 451 is lifted upwards under the action of the compression spring 452, the blocking head 453 is inserted into the air tube 43 to block the air tube 43, meanwhile, the insulin pen is jacked upwards, the insulin pen is taken out by a user, then the third cover plate 13 is opened, the normal-temperature insulin pen refill in the isolation cavity 7 is exposed, and is taken out and installed on the insulin pen for use, when the insulin refill in the isolation cavity 7 is taken out, the second pressure sensor 10 senses the pressure change and sends a signal to the control module, the control module sends an instruction to control the second motor arranged in the separation assembly 6 to start, so that the separation assembly 6 is started, the insulin refill closest to the output groove is controlled to be separated from other refills, the insulin refill continuously slides to the output groove, namely the upper surface of the first cover plate 8, the first pressure sensor 9 on the first cover plate 8 senses the pressure change, the control module sends an instruction to enable the first motor to start, the first cover plate 8 is controlled to rotate downwards, the insulin refill falls into the isolation cavity 7, then the isolation cavity 7 is closed, the insulin refill is placed in a different mode, and the insulin refill is waited for next use.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an insulin preservation device, includes shell body (1), the inside insulin pen that has of shell body (1) deposits district and an insulin refill and deposits the district, still including setting up in the inside air conditioning supply mechanism of shell body (1), air conditioning delivery outlet and insulin pen of air conditioning supply mechanism deposit district and insulin refill and deposit the district and be linked together to let in air conditioning its characterized in that to its inside: the insulin pen storage area is internally provided with a storage box body (2), the storage box body (2) is provided with at least two storage cavities (3) which are arranged in the storage box body and used for storing insulin pens, and the storage box body is arranged in the storage box body (2), an air bag component (4) used for protecting the insulin pens is arranged in the storage box body, and the air bag component (4) comprises:

the inflatable tanks (41) are arranged below the storage cavity (3), two adjacent inflatable tanks (41) are communicated through a connecting main pipe (42), and one end of the connecting main pipe (42) is connected with air compression equipment;

two sides of the storage cavity (3) are respectively provided with an air pipe (43), and one end of the air pipe (43) is communicated with the air charging groove (41);

a protective air bag (44) is arranged in the storage cavity (3), and the protective air bag (44) is communicated with an air pipe (43) through a connecting piece;

the device also comprises a blocking component (45) arranged in the air inflation groove (41) and used for controlling the conduction and the closure of the communication part of the air pipe (43) and the air inflation groove (41);

the plugging assembly (45) comprises a sliding block (451) arranged at the bottom of the storage cavity (3) in a sliding manner, a spring (452) is connected to the bottom of the sliding block (451), plugging heads (453) are connected to two sides of the sliding block (451) through connecting rods respectively, and the plugging heads (453) correspond to ports of the air pipes (43);

be provided with in the insulin refill storage area and be used for placing the swash plate (5) of insulin refill body, one side of placing swash plate (5) is provided with separation subassembly (6) that are used for partly separating insulin refill body, output groove has been seted up to one side of insulin refill storage area, output groove sets up in being close to one side of placing swash plate (5) lower extreme, isolation chamber (7) have been seted up to the inside of shell body (1), isolation chamber (7) are linked together with output groove, output groove department handing-over has first apron (8), first apron (8) are rotatory through first motor drive to control the switching on and seal of output groove, be provided with first pressure sensor (9) on first apron (8), be provided with second pressure sensor (10) on the interior bottom surface of isolation chamber (7).

2. An insulin preservation device according to claim 1, characterized in that: the upper end opening part that corresponds on the surface of case body (2) deposits chamber (3) articulates there is second apron (11), second apron (11) are connected with case body (2) through joint structure, deposit chamber (3) upper end opening part be provided with second apron (11) matched with cell body, second apron (11) rotationally set up in the cell body, trachea (43) switch on with the cell body, when second apron (11) are closed, trachea (43) are closed, and when second apron (11) are opened, the upper end opening of trachea (43) is opened.

3. An insulin preservation device according to claim 1, characterized in that: the bottom of depositing chamber (3) is provided with the slip sleeve with slider (451) matched with, slider (451) slip sets up in the sleeve, and when insulin pen was inserted and is deposited in chamber (3), its bottom extends to in the sleeve and extrudees slider (451) downwards, makes spring (452) compression, through shutoff head (453) remove downwards, makes its shutoff to trachea (43) remove, lets in compressed air in trachea (43) simultaneously, makes protective airbag (44) aerify and wrap up the insulin pen to form protective structure, when insulin pen inserts completely in depositing chamber (3), close second apron (11), make the upper end opening of trachea (43) seal, specifically, the upper end opening of trachea (43) is the gas outlet, and the lower extreme opening is the air inlet, when upper end opening seals, gasbag subassembly (4) play the guard action, when insulin pen takes out, shutoff subassembly (45) seal lower extreme air inlet, and upper end gas outlet is opened and is discharged.

4. An insulin preservation device according to claim 1, characterized in that: the two sides of placing swash plate (5) are provided with baffle (12) respectively, separation subassembly (6) are including rotationally installing U template (61) in baffle (12) one side, two vertical portions of U template (61) are to the middle part extension of placing swash plate (5) have horizontal pole (62), two horizontal pole (62) are located the top and the below of placing swash plate (5) respectively, horizontal pole (62) are towards one side extension that places swash plate (5) have pin (63).

5. An insulin storage device according to claim 4, characterized in that: the novel lifting device further comprises a cam (64), wherein the cam (64) is installed below the U-shaped plate (61) and is in contact with the vertical part, and a second motor for controlling the cam (64) to rotate is arranged on one side of the cam (64).

6. An insulin storage device according to claim 4, characterized in that: a chute is formed in the middle of the inclined plate (5) for the stop lever (63) to slide in.

7. An insulin storage device according to claim 4, characterized in that: the vertical part of the U-shaped plate (61) positioned above is longer than the vertical part positioned below, and the distance between the two stop rods (63) respectively connected with the two vertical parts is larger than the diameter of the insulin pen core body.

8. An insulin preservation device according to claim 1, characterized in that: an opening communicated with the outside is formed in one side of the isolation cavity (7), a third cover plate (13) is hinged to the opening, and the third cover plate (13) is arranged on the surface of the outer shell (1).