CN109331293B - an injection pen - Google Patents

Abstract

Translated fromChinese

本发明涉及医用药物输送装置技术领域，公开一种注射笔。其中注射笔包括注射笔盖和注射笔本体，所述注射笔盖上设置有显示窗口，所述注射笔盖内设置有推动件、旋转件和弹性件，所述推动件滑动设置在所述注射笔盖内部；所述旋转件与所述推动件相抵接，所述旋转件上设置有提示标记；所述弹性件一端与所述旋转件相抵接，另一端与所述注射笔盖内壁相抵接；当注射笔本体伸入或脱出所述注射笔盖时，所述提示标记显示在所述显示窗口内。本发明通过将注射笔盖装入或取下注射笔本体的动作来实现提醒患者不同的注射信息，注射笔盖内部的零件结构全为机械零件，不易腐蚀，容易消毒，操作简单，价格便宜。

The invention relates to the technical field of medical drug delivery devices, and discloses an injection pen. The injection pen includes an injection pen cover and an injection pen body, the injection pen cover is provided with a display window, and the injection pen cover is provided with a pushing member, a rotating member and an elastic member, and the pushing member is slidably arranged on the injection pen The inside of the pen cap; the rotating member is in contact with the pushing member, and the rotating member is provided with a prompt mark; one end of the elastic member is in contact with the rotating member, and the other end is in contact with the inner wall of the injection pen cap ; When the injection pen body extends into or out of the injection pen cover, the prompt mark is displayed in the display window. The present invention reminds patients of different injection information by inserting or removing the injection pen cover into or out of the injection pen body, and the internal parts of the injection pen cover are all mechanical parts, which are not easy to corrode, easy to sterilize, simple to operate and cheap.

Description

Injection pen

Technical Field

The invention relates to the technical field of medical drug delivery devices, in particular to an injection pen.

Background

Chronic diseases are spreading and developing rapidly in the world, and medical staff and patients who inject medicines at home often use injection pens to inject medicines to achieve the purpose of treating the chronic diseases. The treatment of injection pen injection drugs can be divided into diabetes treatment, growth hormone treatment, osteoporosis treatment, fertility treatment and other treatments. These conditions may require medical personnel or patients to periodically administer medication, which may be daily into different parts of the body, such as injections of insulin doses, a reusable injection pen for daily insulin injections, the insulin dose being selected by manually turning a knob and viewing an indicator at the display window of the injection pen, and the injection pen may be discarded when the medication in the medication reservoir of the injection pen is depleted. The reusable injection pen does not have any indication of whether a daily injection was made, while the injection pen does not indicate the body location of the next injection. To prevent a patient from missing a daily injection, or to prevent a patient from injecting twice, which could result in overdosing or prevent a patient from repeatedly injecting medication into the same body location, it is desirable to use a device to remind the patient whether to inject, whether to inject as planned, and whether to inject at the same body location.

There are many different types of smart accessories in the prior art that are used to meet the above-mentioned reminder objectives. For example, an electronic accessory for an injection pen, which operates like a timer to measure the time since the last injection, has disadvantages in that the electronic accessory is a separate device from the injection pen, is inconvenient to use, and the injection pen cannot be stored in a humid environment, and the electronic accessory is easily affected with moisture to fail to operate properly and is easily corroded. An intelligent replacement cap for an insulin injection pen activates a timer when the cap is removed from the injection pen and displays the elapsed time since the last injection, but has a service life of 12 months, a short life, a high price, and an electronic device that is susceptible to corrosion by moisture. Another smart insulin pen cap that can replace the existing insulin injection pen cap and measure the volume of insulin in the pen and record the injection time, much like a diabetes management system, is connected to a smart phone system and provides a complete historical record of past injection doses and times and alerts the patient when a dose needs to be taken. However, the pen cap requires more programming work when in use, is a complex system for dose measurement using optical detection, like other accessories equipped with electronic components, cannot be used in high humidity, high temperature environments, is not easily sterilized, is complex and costly and is not suitable for disposal at any time.

Disclosure of Invention

Based on the above, the present invention is directed to an injection pen, wherein a cap of the injection pen can be used in a high humidity and high temperature environment, is easy to sterilize, is easy to use, has a low cost, and can be discarded at any time to remind a patient of injecting a medicine with information.

In order to achieve the purpose, the invention adopts the following technical scheme:

an injection pen comprises an injection pen cap and an injection pen body, wherein a display window is arranged on the injection pen cap, a pushing piece, a rotating piece and an elastic piece are arranged in the injection pen cap, and the pushing piece is arranged in the injection pen cap in a sliding mode; the rotating piece is abutted with the pushing piece, and a prompt mark is arranged on the rotating piece; one end of the elastic part is abutted with the rotating part, and the other end of the elastic part is abutted with the inner wall of the injection pen cap; when the injection pen body extends into the injection pen cap, the injection pen body pushes the pushing piece and the rotating piece to move and compress the elastic piece; when the injection pen body is separated from the injection pen cap, the elastic piece drives the rotating piece and the pushing piece to move in the opposite directions, so that the rotating piece rotates.

As a preferred technical solution of the injection pen, a plurality of limiting members are circumferentially disposed inside the injection pen cap, a guide groove is formed between two adjacent limiting members, the pushing member slides along the guide groove, a guide inclined surface is disposed at one end of each limiting member close to the rotating member, and the rotating member is matched with the guide inclined surface to rotate the rotating member and extend into another guide groove adjacent to the guide groove.

As a preferred technical solution of the injection pen, one end of each of the limiting members, which is close to the rotating member, is provided with a plurality of the guide inclined surfaces, and the plurality of the guide inclined surfaces are arranged in a step shape.

As a preferable technical scheme of the injection pen, the inclination directions of the guide inclined planes are the same.

As a preferable technical scheme of the injection pen, one end of the pushing piece, which is close to the rotating piece, is provided with a plurality of guide pieces, each guide piece is provided with a guide inclined surface, and the rotating piece is matched with the guide inclined surfaces so as to enable the rotating piece to move along the guide inclined surfaces.

As a preferable technical solution of the injection pen, each of the guide members is provided with a plurality of the guide slopes, and the plurality of the guide slopes are arranged in a step shape.

As a preferable technical scheme of the injection pen, the inclination directions of the guide inclined planes are the same.

As a preferred technical scheme of the injection pen, a plurality of sliding blocks are arranged in the circumferential direction of the pushing piece, the sliding blocks are installed in the guide grooves, and the sliding blocks can slide along the guide grooves.

As a preferred technical scheme of the injection pen, the rotating part comprises a rotating body and a rotating block, one end of the rotating block is connected to the rotating body, the other end of the rotating block is provided with a rotating inclined surface, and the rotating inclined surface moves along the guide inclined surface so that the rotating part rotates and extends into the guide groove.

As a preferable technical solution of the injection pen, the rotation slope may press the guide slope and the guide slope.

As a preferred technical scheme of the injection pen, when the rotating inclined plane moves along the guide inclined plane, the rotating inclined plane is attached to the guide inclined plane.

As a preferable technical solution of the injection pen, when the rotation inclined plane moves along the guide inclined plane, the rotation inclined plane is attached to the guide inclined plane.

As a preferred technical scheme of the injection pen, when the rotating inclined plane moves along the guide inclined plane and the guide inclined plane, the rotating inclined plane is attached to both the guide inclined plane and the guide inclined plane.

As a preferred technical solution of the injection pen, the indication mark includes a first indication mark and a second indication mark which are arranged on the outer circumferential surface of the rotational body, when the injection pen body is removed from the injection pen cap, the first indication mark is displayed on the display window, and when the injection pen body is inserted into the injection pen cap, the second indication mark is displayed on the display window.

As a preferable technical scheme of the injection pen, one end of the rotating piece, which is far away from the pushing piece, is provided with a supporting upright post, and the elastic piece is sleeved outside the supporting upright post.

As a preferable technical scheme of the injection pen, one end of the limiting part, which is far away from the rotating part, is provided with a supporting boss for supporting the pushing part.

As a preferable technical solution of the injection pen, the injection pen cap further includes an upper cap, the upper cap is buckled at one end of the injection pen cap, and the elastic member abuts against the upper cap.

As a preferred technical scheme of injection pen, the upper cover is provided with a supporting cylinder, one end of the supporting cylinder is connected to the top wall of the upper cover, the other end of the supporting cylinder extends into the injection pen cover, and the elastic piece is arranged in the supporting cylinder.

As an optimal technical scheme of the injection pen, each limiting part is provided with a guide plate, one end of each guide plate is connected to one end of each limiting part far away from the rotating part, and the other end of each guide plate inclines towards the inner wall of the injection pen cap

The invention has the beneficial effects that:

the injection pen cap of the injection pen is provided with the display window, and the rotating piece is driven to rotate by the action of loading or unloading the injection pen cap into or from the injection pen body, so that the prompt mark on the rotating piece is displayed on the display window, and the function of reminding a patient of different information of the medicine to be injected is realized. In addition, when the injection pen body extends into the injection pen cap, the injection pen body pushes the pushing piece and the rotating piece to move and compress the elastic piece; when the injection pen body is separated from the injection pen cap, the elastic piece drives the rotating piece and the pushing piece to move in opposite directions, the rotating piece is matched with the pushing piece and the inclined plane inside the injection pen cap so as to enable the rotating piece to rotate, the part structure inside the injection pen cap is all mechanical parts, is not like an electronic device using a battery and is easy to corrode, can be placed in various environments for use, and can be used for high-temperature or steam disinfection; the injection pen cap realizes the function of reminding the patient of information by installing or taking off the injection pen body, is simple to operate, can be used without learning, and is more convenient for elderly patients to use; the injection pen cap has low production cost and low price, and can be used as a disposable device.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

FIG. 1 is an exploded view of an injection pen provided in accordance with an embodiment of the present invention with the injection pen body removed;

FIG. 2 is a schematic view of the internal structure of the injection pen cap according to the embodiment of the present invention;

FIG. 3 is a schematic structural view of a pusher member provided in accordance with an embodiment of the present invention;

FIG. 4 is a schematic structural view of a rotating member provided in accordance with an embodiment of the present invention;

fig. 5 is a schematic structural diagram of an upper cover according to an embodiment of the present invention.

In the figure:

1-injection pen cap; 11-a first housing; 111-display window; 112-a limit stop; 1121-guide slope; 113-a guide slot; 114-a support boss; 115-a guide plate; 12-a second housing; 13-a third housing; 14-a pen clip; 15-clamping the ball;

2-a pusher; 21-a triangular block; 211-a guide ramp; 22-pushing the plug plate; 23-a slider; 24-push plug support post;

3-a rotating member; 31-a rotating body; 32-a rotating block; 321-a rotating bevel; 33-supporting the upright post;

4-a spring;

5, covering the upper cover; 51-support cylinder.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, the present embodiment provides an injection pen, which includes an injection pen body, an injection pen cap 1, a pushing element 2, arotating element 3, an elastic element, and anupper cap 5, where the injection pen cap 1 is provided with adisplay window 111, the pushing element 2, therotating element 3, and the elastic element are all disposed in the injection pen cap 1, the pushing element 2 is slidably disposed inside the injection pen cap 1, the rotatingelement 3 abuts against the pushing element 2, and the rotatingelement 3 is provided with a prompt mark, which may be in a form of text or picture, and the prompt mark may be used to prompt time and position of injection or not. One end of the elastic part is abutted with therotating part 3, and the other end is abutted with the inner wall of the injection pen cap 1. When the injection pen body extends into the injection pen cap 1, the injection pen body pushes the pushing piece 2 and the rotatingpiece 3 to move and compress the elastic piece; when the injection pen body is separated from the injection pen cap 1, the elastic piece drives therotating piece 3 and the pushing piece 2 to move in opposite directions, and the rotatingpiece 3 is matched with the pushing piece 2 and the inclined plane inside the injection pen cap 1, so that therotating piece 3 rotates, and the prompt mark is displayed on thedisplay window 111. In the embodiment, the injection pen cap 1 is taken out or put in by the injection pen body to realize the movement and rotation of therotating piece 3, so that the prompt mark on the rotatingpiece 3 is displayed in thedisplay window 111 of the injection pen cap 1 to remind the patient of the injection time and position.

As shown in fig. 2, the injection pen of the present embodiment is an insulin injection pen, the injection pen cap 1 includes afirst housing 11, asecond housing 12 and athird housing 13, thefirst housing 11 is a cylindrical barrel, adisplay window 111 is disposed on thefirst housing 11, and the pushing member 2, the rotatingmember 3 and the elastic member are all disposed inside thefirst housing 11. Thesecond housing 12 is a cylindrical cylinder, and the diameter of thesecond housing 12 is larger than that of thefirst housing 11. One end of thethird housing 13 is connected to thefirst housing 11, and the other end is connected to thesecond housing 12. In this embodiment, the injection end of the injection pen body enters from thesecond casing 12, passes through thethird casing 13 and extends into thefirst casing 11, and the injection pen cap 1 covers the front end of the injection pen body, so that the injection pen body can be kept clean and free from contamination. In other embodiments, the diameter of thesecond housing 12 is smaller than or equal to the diameter of thefirst housing 11, and is set according to specific use requirements. The injection pen cap 1 may also be in other shapes, such as a rectangular parallelepiped, and the specific structure of the injection pen cap 1 may be set according to the use requirement.

Further, a plurality of limitingmembers 112 are circumferentially disposed inside thefirst housing 11, a guide groove 113 is formed between two adjacent limitingmembers 112, one end of each limitingmember 112 close to the rotatingmember 3 is provided with a guideinclined surface 1121, and the inclined directions of the plurality of guide inclinedsurfaces 1121 are the same.

In this embodiment, insulin is injected once a day, and the cycle is repeated for seven days a week, and therotary member 3 is rotated 360 ° to display seven injection times. Seven limitingmembers 112 are circumferentially and uniformly arranged in thefirst housing 11 at intervals, an included angle between the guide inclinedsurface 1121 and the vertical plane is 45 °, the inclined directions of the seven guide inclinedsurfaces 1121 are the same, and the rotatingmember 3 moves along the guide inclinedsurface 1121. The bottom of each limitingmember 112 is provided with a supportingboss 114, the supportingboss 114 protrudes toward the center of thefirst housing 11, and the supportingboss 114 is used for supporting the pushing member 2. The pusher 2 moves along the guide groove 113, and when the pusher 2 comes into contact with thesupport boss 114, thesupport boss 114 stops the pusher 2. Further, according to the situation that the patient injects insulin multiple times per day, one end of each limitingmember 112 close to the rotatingmember 3 is provided with a plurality of guidinginclined surfaces 1121, the plurality of guidinginclined surfaces 1121 are arranged in a step shape, and the rotatingmember 3 moves along one guidinginclined surface 1121 on one limitingmember 112 each time, which represents that insulin is injected once in the same day. In other embodiments, the number of the limitingmembers 112 circumferentially arranged inside thefirst housing 11 is set according to a specific use condition.

Further, an internal thread is provided on the limitingmember 112, and the internal thread is located below the supportingboss 114, and the internal thread is used for connecting with the injection pen body. The bottom of the limitingmember 112 is provided with aguide plate 115, one end of theguide plate 115 is connected to the bottom end of the limitingmember 112, and the other end of theguide plate 115 is inclined towards the inner wall of thefirst housing 11, when the injection pen body goes deep into the injection pen cap 1, theguide plate 115 guides the injection pen body to enter and connect to the internal thread. In this embodiment, because the injection needle passes through threaded connection with the injection pen body, the internal thread on the locatingpart 112 is the same with the internal thread on the injection needle of the injection pen body, and the disposable injection needle that the injection pen body of isostructure used is the same, and after the medicine on the injection pen body used up, can install injection pen lid 1 on other injection pen bodies, therefore injection pen lid 1 in this embodiment can the injection pen body of different models of adaptation, has universal applicability. In other embodiments, the injection pen cap 1 and the injection pen body may be mounted by a snap fit.

Further, apen clip 14 is disposed on thefirst housing 11, one end of thepen clip 14 is connected to the outer circumferential surface of thefirst housing 11, the other end extends toward thesecond housing 12, and aclip ball 15 is disposed at one side of the other end of thepen clip 14 facing the injection pen cover 1. Thepen clip 14 and theclip ball 15 on the injection pen cap 1 can firmly fix the injection pen on other structures.

As shown in fig. 3, the pushing member 2 includes a pushingplug plate 22, the pushingplug plate 22 is a cylindrical plate, the pushingplug plate 22 is placed on a supportingboss 114, the supportingboss 114 can support the pushing member 2 and has a limiting effect on the pushing member 2, and when the pushingplug plate 22 contacts the supportingboss 114, the pushing member 2 stops moving downward. A plurality of guide members are circumferentially arranged on the pushingplug plate 22, the number of the guide members is the same as that of the limitingmembers 112, each guide member is provided with a guideinclined surface 211, and the rotatingmember 3 is matched with the guide inclinedsurface 211 so that the rotatingmember 3 moves along the guide inclinedsurface 211. Specifically, seven guides are provided in the present embodiment, and preferably, the guides aretriangular blocks 21, the height direction of the triangular blocks 21 is perpendicular to the end surface of the pushingplug 22, and the seventriangular blocks 21 are continuously provided in the circumferential direction. The diameter of the circle on which the outer surface of thetriangular block 21 is located is equal to the diameter of the pushingplug plate 22, and the diameter of the circle on which the outer surface of thetriangular block 21 is located is smaller than the diameter of the circle on which the inner surface of the limitingmember 112 is located. Preferably, thetriangular block 21 is an isosceles triangular block, the inclined downward slope of thetriangular block 21 is aguide slope 211, the inclined angle of theguide slope 211 is the same as the inclined angle of theguide slope 1121, and therotation member 3 moves along theguide slope 211 and then moves along theguide slope 1121. In other embodiments, a plurality of guidinginclined surfaces 211 are provided on each guiding member, the plurality of guidinginclined surfaces 211 are arranged in a step shape, and the number of guidinginclined surfaces 211 on each guiding member is the same as the number of guidinginclined surfaces 1121 on each limitingmember 112. The guides may also have other configurations, for example, the triangular blocks 21 are not isosceles triangles, and the number of guides is set according to the use requirement.

Furthermore, seven slidingblocks 23 are arranged on the circumferential surface of the guiding piece at uniform intervals, one end of each slidingblock 23 is connected to the outer surface of the pushingplug plate 22 at the bottom of thetriangular block 21, the other end of each slidingblock 23 is suspended towards the side away from the top of thetriangular block 21, the slidingblocks 23 are installed in the guiding grooves 113, and the slidingblocks 23 can move along the guiding grooves 113. The side of thepush plug plate 22 away from therotary member 3 is provided with a pushplug support column 24, and when thepush plug plate 22 is placed on thesupport bosses 114, the pushplug support column 24 passes through the middle of the sevensupport bosses 114. When the injection pen body is loaded into the injection pen cap 1, the injection pen body contacts with the pushplug support column 24 and pushes the pushplug support column 24 upwards, so that the rotatingmember 3 is driven to move upwards.

As shown in fig. 4, therotary member 3 includes arotary body 31 and rotary blocks 32 provided on therotary body 31, therotary body 31 is a cylindrical cylinder, the number of the rotary blocks 32 is seven, and the sevenrotary blocks 32 are provided at regular intervals in the circumferential direction of therotary body 31. Therotation block 32 has one end connected to the end surface of therotation body 31 and the other end provided with a rotationinclined surface 321, when therotation block 32 slides in the guide groove 113, the rotation inclinedsurface 321 contacts the guide inclinedsurface 211 and moves along the guide inclinedsurface 211, when therotation block 32 slides out of the guide groove 113, the rotation inclinedsurface 321 can simultaneously contact the guide inclinedsurface 211 and the guide inclinedsurface 1121, and the rotation inclinedsurface 321 enters the adjacent guide groove 113 along the guide inclinedsurface 1121.

In the present embodiment, the rotatinginclined surface 321 and the guidinginclined surface 1121 are complementary surfaces, and the rotatinginclined surface 321 and the guidinginclined surface 211 are complementary surfaces. The rotation inclinedsurface 321 cooperates with the guidinginclined surfaces 211 and 1121 to allow therotation block 32 to enter from one of the guiding grooves 113 to the other guiding groove 113, thereby realizing the rotation of therotation member 3.

Further, a first type prompt mark and a second type prompt mark are arranged on the outer peripheral surface of therotating body 31, the first type prompt mark comprises seven green display signals from monday to sunday, and the second type prompt mark comprises seven red display signals from monday to sunday. When the injection pen body is taken out of the injection pen cap 1, thedisplay window 111 displays a first type of prompt mark to indicate that the medicine is not injected on the day, and when the injection pen body is inserted into the injection pen cap 1, thedisplay window 111 displays a second type of prompt mark to indicate that the medicine is injected on the day. When the rotatingmember 3 rotates along the circumferential direction, thedisplay window 111 sequentially displays Monday to Sunday, so that the patient can be reminded to inject the medicine every day, and the phenomenon of missing or more medicines is prevented. In other embodiments, the first type of prompt mark and the second type of prompt mark are set according to the information that the patient needs to be reminded.

Further, asupport pillar 33 is provided on the other end surface of therotating body 31, thesupport pillar 33 is provided at the center of therotating body 33, and the elastic member is mounted on thesupport pillar 33. In this embodiment, the elastic member is a spring 4, and the spring 4 is sleeved on the supportingupright 33.

As shown in fig. 5, the injection pen further comprises anupper cover 5, theupper cover 5 covers and buckles one end of thefirst housing 11, and theupper cover 5 and thefirst housing 11 are connected through threads. Theupper cover 5 is provided with a supportingcylinder 51, one end of the supportingcylinder 51 is connected to the top wall of theupper cover 5, the other end of the supporting cylinder extends into thefirst shell 11, the spring 4 and the supportingupright column 33 are both installed in the supportingcylinder 51, and the spring 4 is in contact with the top wall of theupper cover 5. In this embodiment, theupper cover 5 is conveniently and rapidly detached from the injection pen cap 1, so as to facilitate replacement and maintenance of the components inside the injection pen cap 1. In other embodiments, theupper cover 5 may be connected to thefirst housing 11 by other connection methods.

Installation process of the injection pen cap 1:

as shown in fig. 1-5, the pushing member 2, therotary member 3 and the spring 4 are loaded into the inside of the injection pen cap 1 in sequence from the top of thefirst housing 11. The slidingblock 23 of the pushing member 2 is mounted in the guide groove 113 inside the injection pen cap 1, and simultaneously pushes theplug plate 22 to contact thesupport boss 114, preventing the pushing member 2 from further moving downwards. Therotation block 32 of therotation member 3 is placed in the guide groove 113, and the lower half of the rotation inclinedsurface 321 of therotation block 32 is in contact with the upper half of the guide inclinedsurface 211 of thetriangular block 21, and the first indication mark on therotation body 31 is displayed in thedisplay window 111. The spring 4 is sleeved on thesupport upright 33 of the rotatingmember 3, theupper cover 5 is installed at the top of thefirst housing 11, thesupport cylinder 51 extends into thefirst housing 11, and the spring 4 and thesupport upright 33 are located in the inner cavity of thesupport cylinder 51.

In the embodiment, the patient injects insulin every day as an example, and the injection pen cap 1 has the functions of reminding the patient of injecting insulin every day and preventing the patient from injecting insulin for multiple times a day. There are seven days in a week, so that the rotation of therotary member 3 by 360 ° sequentially shows seven days. In the present embodiment, the number of the limitingmembers 112 inside the injection pen cap 1, thetriangular block 21 and theslide block 23 of the pushing member 2, and therotating block 32 of the rotatingmember 3 are set to seven. The first type of cues on rotatingbody 31 are labeled monday, tuesday, wednesday, thursday, friday, saturday, and sunday green, and the second type of cues are labeled monday, tuesday, thursday, friday, saturday, and sunday red. For example, when a patient finishes injecting insulin on Monday, the injection needle is taken down, and then the injection pen cap 1 is mounted on the injection pen body, the injection pen body pushes the pushplug support column 24 of the push piece 2 to move upwards, the push piece 2 moves along the guide groove 113 to drive therotating piece 3 to move upwards to compress the spring 4, the spring 4 is in a compressed state, the rotatinginclined surface 321 of therotating block 32 abuts against the bottom of the guide inclinedsurface 211 of thetriangular block 21, and the red Monday on therotating body 31 is displayed in thedisplay window 111. The patient sees the red monday from thedisplay window 111 of the injection pen cap 1, and knows that insulin was injected on the day of monday. When the injection pen cap 1 is removed from the injection pen body, the rotatingmember 3 is pushed by the elastic force of the spring 4 to move downward, at this time, the rotatinginclined surface 321 simultaneously contacts with the guidinginclined surface 211 and the guidinginclined surface 1121 of the limitingmember 112, and the rotatinginclined surface 321 moves along the guidinginclined surface 1121, so that therotating block 32 enters into another guiding groove 113, and the rotation of the rotatingmember 3 is realized. Therotating part 3 drives the pushing part 2 to move downwards along the guide groove 113 until the pushingplug plate 22 abuts on the supportingboss 114, therotating part 3 and the pushing part 2 stop moving, and the spring 4 returns to a natural straightening state. At this time, the green tuesday on therotating body 31 is displayed in the display window, the patient is reminded that insulin needs to be injected on the day of the tuesday, and the patient installs a new injection needle on the injection pen body to inject the insulin. This process is then repeated every day, with one week passing as therotor 3 rotates 360 °. When a patient forgets whether to inject insulin within one day, the patient can see the prompt mark on the injection pen at any time, if the patient is red in the previous day, the patient indicates that the patient is not injecting insulin today, and if the patient is red in the current day, the patient indicates that the patient is injecting insulin today. Therefore, the patient is reminded whether to inject insulin or not on the same day. The injection pen cap 1 is connected to the injection pen body through threads, the internal threads below the limitingpart 112 of the injection pen cap 1 are the same as the internal threads of the injection needle head, and the injection pen cap can be adapted to main equipment bodies of different models and has wide practicability.

In other embodiments, the injection pen cap 1 sets the internal structure as required to remind the patient of different information, for example, the patient needs to inject three times a day, i.e. in the morning, at noon, in the evening, and needs to inject twenty times a week. Seven limitingmembers 112 are arranged inside the injection pen cap 1, the end of each limitingmember 112 is provided with three guidinginclined surfaces 1121, the three guidinginclined surfaces 1121 are arranged in a step shape, eachtriangular block 21 is provided with three guidinginclined surfaces 211, the three guidinginclined surfaces 211 are arranged in a step shape, and the inclination directions of the guidinginclined surfaces 211 and the guidinginclined surfaces 1121 are the same. The first type of prompt mark on therotary body 31 is set to be green on Monday morning, Monday midday, Monday night and the like until Sunday morning, Sunday midday and Sunday evening according to the design position, and the second type of prompt mark is set to be red on Monday morning, Monday midday, Monday night and the like until Sunday morning, Sunday midday and Sunday evening. After the patient finishes injecting insulin on monday morning, the injection needle is removed, and then the injection pen cap 1 is mounted on the injection pen body, and the red monday morning on therotating body 31 is displayed in thedisplay window 111. The patient sees red monday morning from thedisplay window 111 of the injection pen cap 1, and knows that insulin has been injected on the morning of monday. When the injection pen cap 1 is removed from the injection pen body, the rotatingmember 3 is pushed by the elastic force of the spring 4 to move downward, the rotatinginclined surface 321 simultaneously contacts with the guidinginclined surface 211 and the guidinginclined surface 1121 of the limitingmember 112, the rotatinginclined surface 321 moves along the first guidinginclined surface 1121 of the limitingmember 112, and the movement is stopped when therotating block 32 contacts with the first step. The rotatingmember 3 rotates by a certain angle, and the green monday on therotating body 31 is displayed in thedisplay window 111 at the moment to remind a patient that insulin needs to be injected at monday noon, and the patient installs a new injection needle on the injection pen body to inject the insulin. Therotating piece 3 rotates 360 degrees to display twenty-one prompt marks, and the patient is reminded to inject the medicine.

For example, the injection pen cap 1 can also be used to remind the patient of the last injection location and suggest the next injection location. For example, thedisplay window 111 displays six different body injection sites, namely, left and right arms, two different positions of the abdomen, and left and right legs. Six limitingparts 112 are arranged in the injection pen cap 1, the triangular blocks 21 and therotating blocks 32 are six in number, the same working principle is used, the patient is reminded of injecting the medicine at different positions, and the phenomenon that fat and scar tissues are gathered and fat swelling is caused due to repeated injection of the medicine at the same position of the body is avoided.

The injection pen provided by the embodiment can also be used for a medical drug delivery device, the injection pen body is a drug storage box, and the injection pen cover 1 is a box cover. When the medicine storage box is drawn out and inserted from the box cover, the injection pen cover 1 can realize the function of reminding the patient to take medicine every day.

The injection pen cap 1 of the embodiment can remind a patient of the date of insulin injection in time, ensure that the patient injects insulin every day, and prevent repeated injection or less injection caused by forgetting to inject the medicine. In addition, the parts inside the injection pen cap 1 are all mechanical parts, can be placed in various environments for use, can be used for high-temperature or steam sterilization, and are easy to sterilize; the injection pen cap 1 is installed in or taken off from the injection pen body to achieve the function of reminding patients of information, is simple to operate, can be used without learning, and is more convenient for elderly patients to use; the injection pen cap 1 is inexpensive to produce and can be used as a disposable device.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (18)

Translated fromChinese

1.一种具有提醒及警示功能的注射笔，包括注射笔盖(1)和注射笔本体，其特征在于，所述注射笔盖(1)上设置有显示窗口(111)，所述注射笔盖(1)内设置有：1. An injection pen with reminder and warning functions, comprising an injection pen cover (1) and an injection pen body, characterized in that a display window (111) is provided on the injection pen cover (1), and the injection pen is provided with a display window (111). The cover (1) is provided with:推动件(2)，其滑动设置在所述注射笔盖(1)内部；A pusher (2), which is slidably arranged inside the injection pen cover (1);旋转件(3)，其与所述推动件(2)相抵接，所述旋转件(3)上设置有不同的两类提示标记；a rotating member (3), which is in contact with the pushing member (2), and different two types of prompt marks are provided on the rotating member (3);弹性件，其一端与所述旋转件(3)相抵接，另一端与所述注射笔盖(1)内壁相抵接；an elastic member, one end of which is in contact with the rotating member (3), and the other end is in contact with the inner wall of the injection pen cover (1);当所述注射笔本体伸入所述注射笔盖(1)内时，所述注射笔本体推动所述推动件(2)和所述旋转件(3)移动并压缩所述弹性件；当所述注射笔本体脱出所述注射笔盖(1)时，所述弹性件带动所述旋转件(3)和所述推动件(2)反方向运动，以使所述旋转件(3)旋转；When the injection pen body extends into the injection pen cover (1), the injection pen body pushes the pushing member (2) and the rotating member (3) to move and compresses the elastic member; When the injection pen body comes out of the injection pen cover (1), the elastic member drives the rotating member (3) and the pushing member (2) to move in opposite directions, so as to rotate the rotating member (3);所述旋转件(3)包括旋转本体(31)，所述提示标记包括设置在所述旋转本体(31)的外周面上的第一类提示标记和第二类提示标记，当所述注射笔本体脱出所述注射笔盖(1)时，所述显示窗口(111)显示所述第一类提示标记以提示需要施打药物，当所述注射笔本体伸入所述注射笔盖(1)内时，所述显示窗口(111)显示所述第二类提示标记以警示药物已经施打。The rotating member (3) includes a rotating body (31), and the prompting mark includes a first-type prompting mark and a second-type prompting mark arranged on the outer peripheral surface of the rotating body (31). When the main body is released from the injection pen cover (1), the display window (111) displays the first type of prompt mark to prompt the need to administer medicine, and when the injection pen body extends into the injection pen cover (1) When inside, the display window (111) displays the second type of reminder mark to warn that the medicine has been administered.2.根据权利要求1所述的注射笔，其特征在于，所述注射笔盖(1)内部周向设置多个限位件(112)，相邻两个所述限位件(112)之间形成导向槽(113)，所述推动件(2)沿所述导向槽(113)滑动，所述限位件(112)的靠近所述旋转件(3)的一端设置有导向斜面(1121)，所述旋转件(3)与所述导向斜面(1121)配合，以使所述旋转件(3)旋转，并伸入到与所述导向槽(113)相邻的另一所述导向槽(113)内。2 . The injection pen according to claim 1 , wherein a plurality of limiting members ( 112 ) are circumferentially arranged inside the injection pen cover ( 1 ), and one of two adjacent limiting members ( 112 ) is provided. 3 . A guide groove (113) is formed therebetween, the pusher (2) slides along the guide groove (113), and a guide slope (1121) is provided at the end of the limiting member (112) close to the rotating member (3). ), the rotating member (3) cooperates with the guide slope (1121), so that the rotating member (3) rotates and extends into another guide adjacent to the guide groove (113) in the groove (113).3.根据权利要求2所述的注射笔，其特征在于，每个所述限位件(112)的靠近所述旋转件(3)的一端设置多个所述导向斜面(1121)，多个所述导向斜面(1121)呈阶梯状设置。3. The injection pen according to claim 2, characterized in that, a plurality of the guiding slopes (1121) are provided at one end of each limiting member (112) close to the rotating member (3), and a plurality of guiding slopes (1121) are provided. The guide slope (1121) is arranged in a stepped shape.4.根据权利要求2所述的注射笔，其特征在于，多个所述导向斜面(1121)的倾斜方向相同。4. The injection pen according to claim 2, characterized in that, the inclination directions of the plurality of the guiding slopes (1121) are the same.5.根据权利要求2所述的注射笔，其特征在于，所述推动件(2)靠近所述旋转件(3)的一端设置多个引导件，每个所述引导件上均设置有引导斜面(211)，所述旋转件(3)与所述引导斜面(211)配合，以使所述旋转件(3)沿着所述引导斜面(211)移动。5. The injection pen according to claim 2, characterized in that, a plurality of guide members are provided at one end of the push member (2) close to the rotating member (3), and each of the guide members is provided with a guide member An inclined surface (211), the rotating member (3) cooperates with the guiding inclined surface (211), so that the rotating member (3) moves along the guiding inclined surface (211).6.根据权利要求5所述的注射笔，其特征在于，每个所述引导件上设置有多个所述引导斜面(211)，多个所述引导斜面(211)呈阶梯状设置。6. The injection pen according to claim 5, characterized in that, each of the guide members is provided with a plurality of the guiding inclined surfaces (211), and the plurality of the guiding inclined surfaces (211) are arranged in a stepped shape.7.根据权利要求5所述的注射笔，其特征在于，多个所述引导斜面(211)的倾斜方向相同。7. The injection pen according to claim 5, characterized in that, the inclined directions of the plurality of the guiding slopes (211) are the same.8.根据权利要求2所述的注射笔，其特征在于，所述推动件(2)的周向设置多个滑动块(23)，所述滑动块(23)安装在所述导向槽(113)内，且所述滑动块(23)能沿所述导向槽(113)滑动。8 . The injection pen according to claim 2 , wherein a plurality of sliding blocks ( 23 ) are arranged in the circumferential direction of the pushing member ( 2 ), and the sliding blocks ( 23 ) are installed in the guide grooves ( 113 ). ), and the sliding block (23) can slide along the guide groove (113).9.根据权利要求5所述的注射笔，其特征在于，所述旋转件(3)包括旋转本体(31)和旋转块(32)，所述旋转块(32)的一端连接在所述旋转本体(31)上，另一端设置有旋转斜面(321)，所述旋转斜面(321)沿所述导向斜面(1121)移动，以使所述旋转件(3)旋转并伸入所述导向槽(113)内。9 . The injection pen according to claim 5 , wherein the rotating member ( 3 ) comprises a rotating body ( 31 ) and a rotating block ( 32 ), and one end of the rotating block ( 32 ) is connected to the rotating block ( 32 ). 10 . On the main body (31), the other end is provided with a rotating inclined surface (321), and the rotating inclined surface (321) moves along the guiding inclined surface (1121), so that the rotating member (3) rotates and extends into the guiding groove (113).10.根据权利要求9所述的注射笔，其特征在于，所述旋转斜面(321)能够抵压所述引导斜面(211)和所述导向斜面(1121)。10. The injection pen according to claim 9, characterized in that, the rotating inclined surface (321) can press against the guiding inclined surface (211) and the guiding inclined surface (1121).11.根据权利要求10所述的注射笔，其特征在于，所述旋转斜面(321)沿所述导向斜面(1121)移动时，所述旋转斜面(321)与所述导向斜面(1121)相贴合。11. The injection pen according to claim 10, characterized in that, when the rotating inclined surface (321) moves along the guiding inclined surface (1121), the rotating inclined surface (321) is in phase with the guiding inclined surface (1121). fit.12.根据权利要求10所述的注射笔，其特征在于，所述旋转斜面(321)沿所述引导斜面(211)移动时，所述旋转斜面(321)与所述引导斜面(211)相贴合。12 . The injection pen according to claim 10 , wherein when the rotating inclined surface ( 321 ) moves along the guiding inclined surface ( 211 ), the rotating inclined surface ( 321 ) is in phase with the guiding inclined surface ( 211 ). 13 . fit.13.根据权利要求10所述的注射笔，其特征在于，所述旋转斜面(321)沿所述导向斜面(1121)与所述引导斜面(211)移动时，所述旋转斜面(321)与所述导向斜面(1121)和所述引导斜面(211)均相贴合。13 . The injection pen according to claim 10 , wherein when the rotating inclined surface ( 321 ) moves along the guiding inclined surface ( 1121 ) and the guiding inclined surface ( 211 ), the rotating inclined surface ( 321 ) and Both the guiding inclined surface (1121) and the guiding inclined surface (211) are in contact with each other.14.根据权利要求9所述的注射笔，其特征在于，所述旋转件(3)远离所述推动件(2)的一端设置有支撑立柱(33)，所述弹性件套设在所述支撑立柱(33)的外侧。14. The injection pen according to claim 9, wherein a support column (33) is provided at the end of the rotating member (3) away from the pushing member (2), and the elastic member is sleeved on the Support the outer side of the upright column (33).15.根据权利要求2所述的注射笔，其特征在于，所述限位件(112)的远离所述旋转件(3)的一端设置有支撑凸台(114)，用于支撑所述推动件(2)。15. The injection pen according to claim 2, characterized in that, a support boss (114) is provided at one end of the limiting member (112) away from the rotating member (3) for supporting the pushing pieces (2).16.根据权利要求1所述的注射笔，其特征在于，所述注射笔盖(1)还包括上盖(5)，所述上盖(5)罩扣在所述注射笔盖(1)的一端，所述弹性件与所述上盖(5)相抵接。16. The injection pen according to claim 1, wherein the injection pen cover (1) further comprises an upper cover (5), and the upper cover (5) is fastened on the injection pen cover (1) One end of the elastic member is in contact with the upper cover (5).17.根据权利要求16所述的注射笔，其特征在于，所述上盖(5)设置有支撑筒(51)，所述支撑筒(51)的一端连接在所述上盖(5)的顶壁上，另一端伸入所述注射笔盖(1)内部，所述支撑筒(51)内设置所述弹性件。17. The injection pen according to claim 16, wherein the upper cover (5) is provided with a support cylinder (51), and one end of the support cylinder (51) is connected to the upper cover (5) On the top wall, the other end extends into the inside of the injection pen cover (1), and the elastic member is arranged in the support cylinder (51).18.根据权利要求2所述的注射笔，其特征在于，每个所述限位件(112)上设置有导向板(115)，所述导向板(115)的一端连接在所述限位件(112)远离所述旋转件(3)的一端，另一端朝向所述注射笔盖的内壁倾斜。18. The injection pen according to claim 2, wherein a guide plate (115) is provided on each limiter (112), and one end of the guide plate (115) is connected to the limiter One end of the piece (112) is away from the rotating piece (3), and the other end is inclined toward the inner wall of the cap of the injection pen.

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