WO2018147564A1

WO2018147564A1 - Cover for pen-type syringe, provided with pen needle bending and separation functions

Info

Publication number: WO2018147564A1
Application number: PCT/KR2018/000713
Authority: WO
Inventors: 최규동
Original assignee: 최규동
Priority date: 2017-02-10
Filing date: 2018-01-16
Publication date: 2018-08-16
Also published as: KR101879976B1

Abstract

The present invention relates to a cover for a pen-type syringe, provided with pen needle bending and separation functions and characterized by comprising: a cover body which is configured to be mountable on the body of a syringe and has a sliding through-hole formed in the side surface thereof; a pen needle hub grip member consisting of a pair of elastic support members; a slide locking unit which is installed so as to pass through the sliding through-hole and be vertically movable and, when in a downward fixed position, presses the respective elastic support members to come close to each other, so that the inner surface of one end of the elastic support members is fixed tightly to the outer surface of a needle hub; and a needle bending member formed on the slide locking unit and configured to bend a needle by pressing when in the downward fixed position.

Description

Cover for pen-type syringes with pen needle bending and separation

The present invention relates to a cover for a pen type syringe having a pen needle bending and detaching function, which is mounted on the syringe body 2 of the pen type syringe 1 to cover the ampoule cartridge 3 and the pen needle unit 10. In the pen type syringe cover that can be mounted so that the lower end is configured to be mounted on the syringe body 2, the lower end has a coupling opening 212 is formed, the upper end is a terminal seal ( 211 is formed, the cover body 210 is formed with a sliding through hole 213 on the side; and is formed in a direction that is spread outwards going in the lower direction to the end sealing portion 211 and the syringe body ( 2) when the cover body 210 is mounted, a pen needle hub gripping member composed of a pair of elastic support members 221 descending to the outside of the needle hub 11a of the pen needle unit 10 ( 220, and is installed to be moved up and down through the sliding through hole 213, in the downward fixed position by pressing the elastic support member 221, respectively, so as to approach each other the work of the elastic support member 221 A slide locking portion 230 which is configured to have a side end inner surface closely fixed to an outer surface of the needle hub 11a; and is formed in the slide locking portion 230, and presses the needle 11c at the downward fixing position. A needle bending member 240 configured to bend; It relates to a pen-type syringe cover 200 having a pen needle bending and separation function, characterized in that comprising a.

Pen-type syringe is a regular injection for injection of injection drugs such as insulin injection of diabetic, injection of growth hormone of adolescents, asthma, arthritis, allergy, atopic patients, treatment of infertile women and other animals. It is conveniently carried and used for the case where administration is required. Such a pen-type syringe is made for the convenience of a user who frequently requires self-injection as described above.

Insulin is essential and must be administered to diabetic patients, especially type 1 diabetic patients. Inhalation, patch, oral, and other methods have been developed and studied. The self-injecting and self-injecting daily by the patient using the needle and the needle, the pen-type syringe generally contains an injection medicine that can be injected several times or tens of times and is configured so that a certain amount of injection medicine can be injected into the human body by a push button. .

In addition, the pen needle used in combination with the pen type syringe is a one-time product used by replacing the needle every time due to the risk of infection, etc. The pen needle is shown in FIG. 1 according to ISO 11608-2. Pen needle 11 including needle hub 11a and needle tube 11c, needle container 13, needle shield 12, sterilization Consists of a pen needle unit 10 with a set of sealing seals 15 as a set, all of which are disposable consumables, in particular injected into a cylindrical rod which is perforated in the hub center of the components. A needle hub in which a needle penetrates is called a pen needle 11.

In detail, the needle 11c fixedly mounted at the center of the pen needle 11 is significantly thinner and sharper than the needle mounted on a general medical syringe, and the needle in consideration of the user's skin thickness and subcutaneous fat thickness is considered. The length of is also very short, usually within 12mm is produced, produced and used has the characteristics.

On the other hand, in order for the user to self-administer the injection drug, first, the sterile finishing seal (Seal) 15 is removed from the needle fastening portion 3a provided at the top of the ampoule cartridge 3 of the pen type syringe, and then the needle cap (13) to be coupled by rotating the fastening portion (11b) of the pen needle (11) accommodated in the spiral fastening method.

Thereafter, the injection drug amount is set, and the needle 11c is inserted into the epidermis of the human body or animal, and then injected by the prescribed injection medicine.

After the injection is completed, when the used pen needle 11 is removed from the ampoule cartridge 3, the needle cap 11 is put on the used pen needle 11 again as opposed to the above coupling or a separate discharge function is provided. Inserted into a separate cover or a separate separation mechanism was rotated 2 to 4 times in the left turn or right turn direction was separated by screw loosening method.

However, in the conventional use method, since the needle 11c is exposed to the outside as it is until the pen needle 11 is removed after the injection is completed, the user or a third party may inadvertently use the needle ( There is a problem that there is a risk of being stabbed in 11c) and there is a risk of injury or infection.

In order to solve this problem, many patent documents including the following patent document 1 disclose various structures which can remove the used pen needle after bending.

First, the prior invention "the pen with a one-touch coupling and separation pen needle and the one-touch separation discharge function (Korean Patent No. 10-1604957) of the pen-type syringe", combined with a pen-type syringe as a disposable consumable The pen needle to be used is rotated by the rotating body inside the cover by using the rotary lever provided on the cover of the pen type syringe after the user has used it, so that the user does not touch the pen needle once used by the screw loosening method. A pen-type syringe with a detaching function to safely and easily detach the pen needle from the pen-type syringe body, and an ejecting function for ejecting the pen needle separated by the one-touch push button from the inside of the cover to the outside of the cover; A multifunctional lid comprising a set, comprising: a pen needle shovel used once in an inner space of a lid set together with a pen-type syringe A unidirectional rotatable protrusion for dispensing the pen needle while receiving the mouth is formed to engage with the teeth, and there is provided a rotating body having a rod-shaped protrusion formed so as to be inserted into and interlocked with the rod-shaped protrusion of the pen needle. Push rod for contacting the needle with the needle and the push plate for discharging the pen needle used inside the cover and the circular flat plate at the bottom of the push rod and the bottom of the push rod; And after the pen needle is discharged by the push pressure of the push button, the push button is repositioned after use of the push button by the elasticity of the spring mounted between the space inside the push button and the space inside the rotary lever. The thrust penetrating hole in the center and the front needle contact plate open and close again The pen-type syringe of the multi-purpose pen type syringe, characterized in that when the storage is normally stored in the pen to prevent the inflow of dust or air into the cover to protect the injection drug receptor of the pen type syringe from dust or foreign matter A configuration relating to a multifunctional lid is disclosed.

However, in the case of the existing invention, there is a problem in that the rotating body to which the pen needle is inserted and fixed should be manufactured exactly to the shape of the needle hub 11a of the pen needle. That is, in the case of the pen needle, there are differences in shape, diameter, height, etc. of the needle hub 11a according to various factors such as the manufacturer and the length / gauge of the needle, but the existing invention corresponds to the shape of the various needle hubs 11a. Since it is impossible to do so, there was a problem in that the cover itself was also changed when the pen needle used was changed.

In addition, there is a problem that the configuration is complicated, the manufacturing efficiency is lowered, and the manufacturing cost is increased.

The present invention solves the problems of the existing invention described above, and by using a pair of elastic support members instead of a pen needle hub insertion portion of a fixed standard, it is universal for a variety of pen needle hubs that differ in their diameters, etc. An object of the present invention is to provide a pen-type syringe lid having a pen needle bending and separating function that can be used correspondingly.

In addition, it is possible to implement with a relatively small number of parts, the manufacturing efficiency is extremely high and the manufacturing cost can be lowered, and the user's hand is kept at a relatively safe distance from the needle 11c throughout the operation process. The problem is to provide a pen-type syringe cover with a pen needle bending and separation function that can prevent the needle from being exposed to the outside or bent and be crumpled. do.

In order to achieve the above object, the pen type syringe cover having the pen needle bending and separating function of the present invention is mounted on the syringe body 2 of the pen type syringe 1, and the ampoule cartridge 3 and the pen needle unit A cover for a pen type syringe which can be mounted to cover 10, the lower end being configured to be mounted on the syringe body 2, wherein the lower end has a coupling opening 212 formed thereon, and an upper end. An end sealing portion 211 is formed, the cover body 210 is formed with a sliding through hole 213 on the side; and the end sealing portion 211 is formed in a direction that spreads out while going in the lower direction And a pen composed of a pair of elastic support members 221 falling down to the outside of the needle hub 11a of the pen needle unit 10 when the cover body 210 is mounted on the syringe body 2. The hub holding member 220 and the sliding through hole 213 is installed to be movable up and down, and in the lowered fixed position by pressing the elastic support member 221 respectively to approach each other the elastic support member ( A slide locking portion 230 which allows the one side end inner side surface of the 221 to be tightly fixed to the outer side surface of the needle hub 11a; and a slide locking portion 230 formed at the lower locking position. A needle bending member 240 configured to press and bend 11c; Characterized in that comprises a.

In addition, the slide locking portion 230, a locking ring 231 through which the elastic support member 221 passes inward; and a connecting portion coupled to the locking ring 231 and passing through the sliding through hole 213. 232 having a locking button 233 installed on an outer surface of the cover main body 210; Characterized in that further comprises.

In addition, the needle bending member 240 is formed to allow the elastic support member 221 to pass through both sides of the locking ring 231, and a needle bending guide groove 241 is further formed at a lower center thereof. It is characterized by.

In addition, the locking projection 234 is formed on the upper side and the lower side of the inner side of the cover body 210 of the locking button 233, and the lower side of the sliding through hole 213 of the cover body 210 And a locking fixing groove 214 into which the lower fixing protrusion 234 is inserted when the locking button 233 is lowered to the maximum; and an upper side of the sliding through hole 213 of the cover body 210. An opening fixing groove 215 into which the fixing protrusion 234 of the upper side is inserted when the locking button 233 is raised to the maximum; and an inner side of the lower end of the pair of elastic support members 221. A grip groove gripping protrusion 222 which is formed at each of the gripping grooves 11e formed at the needle hub 11a at the downwardly fixed position; Characterized in that further comprises.

On the other hand, the pair of elastic support members 221 is bent and successively produced so that the mounting hole 223 is formed in the center of a metal plate having elasticity, the mounting inside the end sealing portion 211, the mounting A coupling protrusion 211a inserted into and coupled to the through hole 223 to couple the pair of elastic support members 221 to the end sealing portion 211; Characterized in that further comprises.

According to the present invention, by using a pair of elastic support members instead of the pen needle hub insertion portion of a fixed standard, it is possible to use universally corresponding to various pen needle hubs having different diameters or the like. It is an advantage that it is possible to provide a cover for a pen type syringe having a pen needle bending and detaching function.

In addition, it is possible to implement with a relatively small number of parts, the manufacturing efficiency is extremely high and the manufacturing cost can be lowered, and the user's hand is kept at a relatively safe distance from the needle 11c throughout the operation process. Since the needle is not exposed to the outside or bent and bent, it is possible to provide a pen type syringe cover having a pen needle bending and detaching function that can prevent the possibility of an accident or infection caused by a puncture or the like. There is this.

1 is a view showing a configuration of a pen needle unit mounted to a pen type syringe.

2 is a perspective view showing a coupling state of a pen type syringe cover with a pen needle bending and detaching function according to an embodiment of the present invention to a pen type syringe.

3 is a cross-sectional view showing the configuration of a safety cover of a pen-type syringe cover pen-type syringe having a pen needle bending and separation function according to an embodiment of the present invention.

4 is an exploded perspective view showing the configuration of a cover for a pen type syringe having a pen needle bending and detaching function according to an embodiment of the present invention.

5 is an exploded perspective view showing the configuration of a pen needle hub gripping member of a pen type syringe cover having a pen needle bending and detaching function according to another embodiment of the present invention.

Figure 6 is a schematic cross-sectional view showing the operation of the pen-type syringe cover with a pen needle bending and separating function according to an embodiment of the present invention.

Explanation of symbols used in the drawings

L1: Mounting / Removing Distance

L2: injection distance

L3: Small cap removal distance

1: pen type syringe

2: syringe body

3: ampoule cartridge 3a: needle fastener

4: capacity adjustment knob

5: injection button

10: pen needle unit

11: pen needle

11a: needle hub 11b: fastener

11c: Needle 11d: Needle Mount

11e: grip groove

12: needle socap

13: needle cap

15: Sterile finish seal

200: cover for pen-type syringe with pen needle bending and separation function

210: cover body

211: end seal 211a: engaging projection

212: coupling opening

213: sliding through hole 214: locking fixing groove

215: open fixing groove

220: pen needle hub gripping member

221: elastic support member 222: grip groove grip projection

223: mounting hole

230: slide locking portion

231: locking ring 232: connection

233: locking button 234: locking projection

235: coupling groove

240: needle bending member 241: needle bending guide groove

Hereinafter, with reference to the accompanying drawings, a pen-type syringe cover having a pen needle bending and separation function according to an embodiment of the present invention will be described in detail. First, in the drawings, the same components or parts are to be noted that as indicated by the same reference numerals as possible. In describing the present invention, detailed descriptions of related well-known functions or configurations are omitted in order not to obscure the subject matter of the present invention.

Safety cover 100 of the pen-type syringe according to an embodiment of the present invention is mounted on the syringe body 2 of the pen-type syringe 1 that can be used repeatedly several times, as shown in Figure 3 ampule cartridge ( 3) and can be mounted so as to cover the pen needle unit 10, the cover main body 210, the pen needle hub holding member 220, the slide locking portion 230 and the needle bending member 240 It is configured to include.

Meanwhile, in the present invention, for convenience of description, it should be noted that 'top' and 'bottom' are defined and used based on FIG. 3.

The pen type syringe cover having the pen needle bending and detaching function of the present invention is mounted on the syringe body 2 of the pen type syringe 1, as shown in FIG. 2, and the ampoule cartridge 3 and the pen needle unit 10 It is related with the cover for pen-type syringe which can be mounted so that it may cover.

First, the lid main body 210 will be described. The cover body 210 is configured to be mounted to the lower end to the syringe body 2 as shown in Figure 2, the lower end is formed with a coupling opening 212 as shown in Figures 3 and 4 The terminal sealing part 211 is formed in the upper end part. Meanwhile, as illustrated in FIGS. 3 and 4, a sliding through hole 213 through which the connection part 232 of the slide locking part 230 to be described later is formed is formed on the side surface of the cover body 210.

Next, the pen needle hub holding member 220 will be described. As shown in FIG. 3, the pen needle hub gripping member 220 is formed in the distal direction toward the terminal sealing portion 211 in the downward direction, and is formed in the syringe body 2 with the cover body 210. When it is mounted is composed of a pair of elastic support member 221 that comes down to the outside of the needle hub (11a) of the pen needle unit (10). That is, as the slide locking portion 230 is raised / lowered, the lower ends of the pair of elastic support members 221 are configured to open or approach each other. By using a pair of elastic support members 221 instead of the pen needle hub insertion portion of the fixed standard as described above, it is possible to use a variety of pen needle hubs with a difference in diameter in general. .

As an embodiment of implementing the pair of elastic support members 221, a wide variety of embodiments are possible, and in one embodiment, the pair of elastic support members 221 may have the cover body as shown in FIG. It is possible to be molded integrally with 210.

Meanwhile, as another embodiment of implementing the pair of elastic support members 221, the pair of elastic support members 221 is mounted in the center of a single metal plate having elasticity as shown in FIG. The through hole 223 is continuously bent to be formed, and is inserted into the mounting through hole 223 in the lower side of the end sealing portion 211, and the pair of elastic support members 221 to the end sealing portion 211. It is also possible to be configured so that the coupling protrusion (211a) for coupling) is further formed.

Meanwhile, as shown in FIGS. 3 to 5, the lower end inner surfaces of the pair of elastic support members 221 may be gripped more firmly during the rotary stripping operation. It is preferable that the grip groove gripping protrusions 222 which can grip the grip groove 11e formed in the needle hub 11a are further formed in the downwardly fixed position.

Next, the slide locking unit 230 will be described. The slide locking portion 230 is installed to be movable up and down through the sliding through hole 213, as shown in Figure 3, the elastic support member in the lower fixed position as shown in (B) in FIG. Pressing each of the 221 to approach each other is configured so that the one side end inner surface of the elastic support member 221 is in close contact with the outer surface of the needle hub (11a).

As an embodiment of implementing the slide locking unit 230, various embodiments are possible, and as the embodiment, the slide locking unit 230 may have the elastic support member 221 as illustrated in FIGS. 3 and 4. ) Is provided with a locking ring 231 through which the inner side passes, and a connecting portion 232 coupled to the locking ring 231 and passing through the sliding through hole 213, and installed on an outer side surface of the cover body 210. It is preferably configured to further include a locking button 233. In this case, for convenience of manufacture, the locking ring 231 is preferably formed with a connection part coupling groove 235 to which the connection part 232 can be coupled as shown in FIG. 4.

Meanwhile, as illustrated in FIG. 3, the cover body 210 inwardly faces the cover body 210 such that the slide locking portion 230 is fixed in the lower fixing position and the rising position to enable easy use. It is preferable that the fixing projections 234 are formed on the upper side and the lower side, respectively. In this case, the cover body 210 is formed in the lower side of the sliding through hole 213 of the cover body 210, as shown in Figure 3 and 4, the locking button 233 is the maximum descending In the case where the locking fixing groove 214 is inserted into the lower fixing projection 234 and the upper side of the sliding through hole 213 of the cover body 210 is formed, the locking button 233 is raised to the maximum It is preferable that an open fixing groove 215 into which the fixing protrusion 234 of the upper side is inserted is further formed.

Next, the needle bending member 240 will be described. The needle bending member 240 is formed in the slide locking portion 230 as shown in Figure 3, it is configured to bend and bend the needle (11c) in the downward fixed position. As the embodiment of implementing the needle bending member 240 may be various embodiments, the needle bending member 240 in the embodiment as shown in Figure 3 and 4, the locking ring 231 The elastic support member 221 is formed so as to pass through both sides thereof, it is preferable that the needle bending guide groove 241 is further formed in the lower center.

Hereinafter, the operation of the cover for the pen type syringe having a pen needle bending and separation function according to an embodiment of the present invention.

First, as shown in (A) of FIG. 6, the locking body 233 mounted with the pen needle 11 to be removed in a state where the locking button 233 is lifted up and the elastic support member 221 is separated from each other. ), A cover 100 for a pen-type syringe having a pen needle bending and detaching function is mounted.

Next, as shown in FIG. 6B, the locking button 233 is lowered. In this case, the locking ring 231 is pushed down so that each of the elastic support members 221 are approached to each other so that one side end inner side surface of the elastic support member 221 is an outer surface of the needle hub 11a. Is fixed in close contact. At the same time, the needle bending member 240 also bends and bends the needle 11c while descending together with the locking ring 231, thereby making it safe. In this case, the elasticity of the elastic support member 221 makes it possible to universally correspond to various standards (diameter, height, etc.) of the needle hub 11a. That is, as long as the elastic support members 221 are needle hubs 11a having a diameter that can enter the inside thereof in a state where they are separated from each other, the elastic support members 221 may approach each other even if their diameters are slightly different. The degree of bending due to the elasticity of the elastic support member 221 may be changed, so that the needle hub 11a may be efficiently gripped despite the difference in diameter.

As described above, in the state in which the locking button 233 is fixed in the downward direction, as shown in (C) of FIG. 6, when the cover main body 210 is removed and rotated in the rotational direction, the one end of the elastic support member 221 is disposed. The needle hub 11a is detached from the needle fastening portion 3a of the ampoule cartridge 3 by rotating the needle hub 11a together in the removal and rotating direction while the side surface is closely fixed to the outer surface of the needle hub 11a. On the other hand, the needle hub 11a remains collected in the elastic support member 221 in a state in which the locking button 233 is fixed down after the removal from the needle fastening portion 3a is completed.

Thereafter, as shown in (D) of FIG. 6, when the locking button 233 is fixed upward, the locking ring 231 is raised again, and the elastic support member 221 is opened again. The pen needle 11 in which the 11c is safely bent is separated from the pen-type syringe lid 100 having the pen needle bending and detaching function of the present invention and can be safely disposed.

On the other hand, the user's hand is maintained at a relatively safe distance from the needle (11c) throughout the operation process, or the needle is not exposed to the outside or bent or bent, so there is no fear of accidents or infections caused by puncture, etc. It can be prevented at the source.

Optimal embodiments have been disclosed in the drawings and specification. Although specific terms have been used herein, they are used only for the purpose of describing the present invention and are not intended to limit the scope of the invention as defined in the claims or the claims. Therefore, those skilled in the art will understand that various modifications and equivalent other embodiments are possible. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

Claims

In the cover for the pen type syringe mounted on the syringe body (2) of the pen type syringe (1) and attachable to cover the ampoule cartridge (3) and the pen needle unit (10),

The lower end of the syringe body 2 is configured to be mounted, the lower end has a coupling opening 212 is formed, the upper end is formed with an end seal 211, the side has a sliding through ( 213, the cover body 210 is formed;

The needle hub 11a of the pen needle unit 10 when the cover body 210 is mounted on the distal end portion 211 in the downward direction while going in the downward direction and is mounted on the syringe body 2. A pen needle hub gripping member 220 composed of a pair of elastic support members 221 falling down to the outside of the body;

It is installed to be moved up and down through the sliding through hole 213, in the lower fixed position by pressing each of the elastic support member 221 to approach each other so that the one side end inner surface of the elastic support member 221 is A slide locking part 230 to be fixed to the outer surface of the needle hub 11a;

A needle bending member (240) formed in the slide locking portion (230) and configured to bend and bend the needle (11c) in the downward fixed position; Pen type syringe cover 200 having a pen needle bending and separation function, characterized in that comprising a.
The method according to claim 1,

The slide locking unit 230,

A locking ring 231 through which the elastic support member 221 passes inward;

A locking button 233 coupled to the locking ring 231 and having a connection part 232 passing through the sliding through hole 213 and installed on an outer surface of the cover body 210; Pen type syringe cover 200 having a pen needle bending and separation function, characterized in that further comprises a.
The method according to claim 2,

The needle bending member 240,

Is formed to allow the elastic support member 221 to pass through both sides of the locking ring 231,

Pen type syringe cover 200 having a pen needle bending and separation function, characterized in that the needle bent guide groove 241 is further formed in the lower center.
The method of claim 3, wherein

Fixing protrusions 234 formed on the upper side and the lower side of the inner side of the cover body 210 in the locking button 233, respectively;

A locking fixing groove 214 formed at a lower side of the sliding through hole 213 of the cover main body 210 and into which the fixing protrusion 234 of the lower side is inserted when the locking button 233 is lowered to the maximum;

An open fixing groove 215 which is formed at an upper side of the sliding through hole 213 of the cover body 210 and in which the fixing protrusion 234 of the upper side is inserted when the locking button 233 is maximized;

Grip groove gripping protrusions 222 are formed on the inner side of the lower end of the pair of elastic support members 221, and grip gripping grooves 11e formed in the needle hub 11a are provided at the lower fixing position. ; Pen type syringe cover 200 having a pen needle bending and separation function, characterized in that further comprises a.
The method according to any one of claims 1 to 4,

The pair of elastic support members 221 are continuously bent to form a mounting hole 223 is formed in the center of a metal plate having elasticity,

A coupling protrusion 211a inserted into and coupled to the mounting through hole 223 in the lower side of the end seal 211 to couple the pair of elastic support members 221 to the end seal 211; Pen type syringe cover 200 having a pen needle bending and separation function, characterized in that further comprises a.