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WO2018147563A1 - Structure de couvercle de sécurité pour seringue de type stylo - Google Patents

Structure de couvercle de sécurité pour seringue de type stylo Download PDF

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Publication number
WO2018147563A1
WO2018147563A1 PCT/KR2018/000712 KR2018000712W WO2018147563A1 WO 2018147563 A1 WO2018147563 A1 WO 2018147563A1 KR 2018000712 W KR2018000712 W KR 2018000712W WO 2018147563 A1 WO2018147563 A1 WO 2018147563A1
Authority
WO
WIPO (PCT)
Prior art keywords
safety cover
pen
initial position
housing
guide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2018/000712
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English (en)
Korean (ko)
Inventor
최규동
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO2018147563A1 publication Critical patent/WO2018147563A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/3202—Devices for protection of the needle before use, e.g. caps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/24—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
    • A61M5/321—Means for protection against accidental injuries by used needles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/50—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for preventing re-use, or for indicating if defective, used, tampered with or unsterile

Definitions

  • the present invention relates to a safety cover of a pen type syringe, wherein the pen type syringe is mounted to the syringe body 2 of the pen type syringe 1 so as to cover the ampoule cartridge 3 and the pen needle unit 10.
  • the safety cover a space is formed in the upper and lower openings, the housing 110 is mounted to the syringe body (2); and the elastic providing means (120) installed in the housing (110); It is installed inside the housing 110 so that the pen needle unit 10 is not exposed to the outside by protruding a portion toward the upper side of the housing 110 while the upper and lower sides have an open cylindrical shape.
  • the above guide protrusion 131 is formed, the safety cover 130 is provided to be movable by receiving the elasticity by the elasticity providing means 120; And, the guide protrusion 131 on the inner surface of the housing 110 ) Are each inserted and derived
  • the safety cover 130 is pushed downward by the mounting / removing distance L1 from the initial position A
  • the safety cover 130 rises to the initial position A again and returns, and the safety cover 130 is
  • the injection distance (L2) from the initial position (A) is raised and moved to a fixed position (B) is fixed by moving, the rotation of the safety cover 130 in the fixed position (B) again
  • a guide groove structure 150 for guiding the guide protrusion 131 to return to the initial position A; It relates to a safety cover 100 of a pen type syringe, 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. .
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • Patent Document 1 discloses a configuration for a disposable syringe or a disposable syringe needle for preventing reuse.
  • a safety device for a pre-filled syringe is a hollow support for holding a syringe pre-filled therein,
  • a hollow needle shield slidable relative to the support and guide means for guiding movement of the needle shield relative to the support, the guide means comprising a deflectable flexible arm, a guide pin and a guide track;
  • the arm extends essentially parallel to the central axis of the safety device, the guide pin extends radially from the flexible arm and the guide track guides the guide pin along it in the guide track as the needle shield slides against the support.
  • Patent Document 1 the existing invention of Patent Document 1 described above can be used only once, and there is a problem that it is impossible to apply the pen type syringe which can be used several times while replacing the pen needle unit 10.
  • Patent Document 2 it is effective in preventing reuse of the syringe needle itself, which is separated after one use, but for this purpose, only a syringe needle having a complicated structure specially manufactured should be used.
  • 10) there was a problem that it is not applicable.
  • the conventional pen needle unit 10 it is important not to expose the needle 11c after the injection is completed, and at the same time, when replacing or mounting or removing the pen needle 11, the pen needle There was a problem that (11) could not meet all the opposite requirements that it should be able to be exposed again.
  • the present invention solves the problems of the existing inventions described above, and is a safety cover that can be easily mounted and used in a pen-type syringe using a conventional pen needle unit. It is possible not only to allow the pen needle to be exposed again and to return to the initial state, but also to secure the cover so that the needle is not exposed after the injection is completed, and returning to the initial state again according to the user's return operation. It is possible, therefore, to provide a safety cover of a pen type syringe suitable for continued use in a repetitive injection process.
  • the safety cover of the pen type syringe of the present invention is mounted on the syringe body 2 of the pen type syringe 1 so as to cover the ampoule cartridge 3 and the pen needle unit 10.
  • the housing 110 is mounted to the syringe body 2; and the elastic providing means installed in the housing 110 ( 120, and is installed inside the housing 110 such that the pen needle unit 10 is not exposed to the outside by protruding a portion of the housing 110 while the upper and lower sides have an open cylindrical shape.
  • At least one guide protrusion 131 is formed on the outer surface, the safety cover 130 is elastically installed by the elastic providing means 120 and is installed to be movable; and on the inner surface of the housing 110.
  • the guide protrusion 131 is each Is inserted and guided, and when the safety cover 130 is pushed downward by the mounting / removal distance (L1) from the initial position (A) to rise again to the initial position (A), the safety cover ( When 130 is pushed downward by the injection distance L2 from the initial position (A), it is moved to a fixed position (B) and moved to be fixed, and rotates the safety cover 130 in the fixed position (B)
  • a guide groove structure 150 for guiding the guide protrusion 131 to return to the initial position A again Characterized in that comprises a.
  • the guide groove structure 150 may include an initial state groove 151 and a first guide ramp 152 formed to be inclined in one direction downward by the injection distance L2 from the initial state groove 151. And a second guide ramp 153 formed successively at the end of the first guide ramp 152 and formed to be inclined in the other direction downward by the mounting / removing distance L1 from the initial position A; An initial position return guideway 154 formed upwardly at an end of the second guideway 153 and forming a path to return to the initial position A; and the first guideway 152.
  • the guide groove structure 150, the fixed position groove 156 is formed in the upper side from the fixed position (B); and the fixed position holding projections formed to protrude upwardly from the fixed position (B) ( 157); Characterized in that further comprises.
  • the guide groove structure 150 is formed through the hole in the fixed position groove 156, when the guide protrusion 131 is located in the fixed position groove 156 to the guide protrusion 131 Use state confirmation through-hole 159 to be visible to the outside of the housing 110; Characterized in that further comprises.
  • the safety cover As a safety cover that can be easily mounted and used in a pen-type syringe using a conventional pen needle unit, the safety cover is exposed again when the pen needle is replaced or removed. Not only can it be possible to return to the initial state, it is also possible that the safety cover is fixed so that the needle is not exposed after the injection is completed, and it is possible to return to the initial state again according to the user's return operation. It is an advantage that it is possible to provide a safety cover of a pen type syringe suitable for continued use in the injection process.
  • FIG. 1 is a view showing a configuration of a pen needle unit mounted to a pen type syringe.
  • Figure 2 is an external perspective view showing the configuration of a safety cover of a pen type syringe according to an embodiment of the present invention.
  • FIG 3 is a cross-sectional view showing the configuration of a safety cover of a pen-type syringe according to an embodiment of the present invention.
  • FIG. 4 is an exploded perspective view showing the configuration of a safety cover of a pen type syringe according to an embodiment of the present invention.
  • FIG. 5 is a view showing a configuration of a guide groove structure of a safety cover of a pen type syringe according to an embodiment of the present invention.
  • FIG. 6 is a view showing the demounting process of the safety cover of the pen-type syringe according to an embodiment of the present invention, the degree of pressing in the injection process.
  • FIG. 8 is a view showing a movement path of the guide protrusion in the guide groove structure in the process of dismounting the safety cover of the pen-type syringe according to an embodiment of the present invention.
  • FIG. 9 is a view showing the movement path of the guide protrusion in the guide groove structure during the injection process of the safety cover of the pen type syringe according to an embodiment of the present invention.
  • FIG. 10 is a view showing a movement path of the guide protrusion in the guide groove structure in the process of re-use restoration of the safety cover of the pen-type syringe according to an embodiment of the present invention.
  • ampoule cartridge 3a needle fastener
  • guide protrusion 132 rotary gripping groove
  • initial state groove 152 first induction ramp
  • Safety cover 100 of the pen-type syringe 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 the basic feature is installed to cover the pen needle unit 10, and comprises a housing 110, elastic providing means 120, safety cover 130 and the guide groove structure 150 do.
  • 'top' and 'bottom' are defined and used based on FIG. 5 (hence, in FIG. 3 and FIG. 4, the right direction is defined above in the 'up' direction).
  • the left direction (injector main body 2 direction) becomes the 'lower' direction defined above.).
  • the right direction in FIG. 5 is defined as 'one side' and the left direction is defined as 'other side'. Care must be taken.
  • the safety cover 130 in a solid line in FIG.
  • the mounting / removing distance L1 in the case of expressing the lowered state of refers to the distance that the needle hub 11a is lowered until all of the needle hubs 11a are exposed.
  • the safety cover 130 is a needle large cap ( 13) is pushed down to a height where all the needle hub (11a) is exposed.
  • the injection distance L2 in the case where the descending state of the safety cover 130 ′ is represented by the dashed-dotted line in FIG.
  • the safety cover 130 by the skin when the needle 11c is inserted into the human body during the injection process.
  • ) Means the distance from the initial position (A) to the position where the needle (11c) is fully inserted.
  • the small cap detachment distance L3 in the case of expressing the falling state of the safety cover 130 ′′ by the dashed-dotted line in FIG. 6 is to remove and remove the needle small cap 12 during the pen needle 11 mounting process. Assuming that the safety cover 130 can be slightly pushed out, the distance is a small small distance.
  • the housing 110 has a space that is vertically opened therein and is configured to be mounted to the syringe body 2.
  • the housing 110 is corresponding to the guide groove structure 150 on the inner side as shown in FIG. It is preferable to combine two identical parts each formed in one.
  • an elastic provision means mounting step 111 supporting the lower end of the elastic provision means 120 may be further formed inside the housing 110.
  • the elastic providing means 120 is installed in the housing 110, as shown in Figure 3 and 4 has a function to provide an elastic force for the safety cover 130 to operate upward.
  • the lubrication member 140 is further installed between the elastic member 120 and the safety cover 130 to receive the elastic force by the elastic member 120. Nevertheless, it is preferable to allow the safety cover 130 to rotate smoothly in the course of operation.
  • the lubrication member 140 may be implemented through various embodiments, and in one embodiment, the lubrication member 140 may be implemented as a ring-shaped member coated with Teflon material, or may be implemented as a ball bearing. Do.
  • the safety cover 130 As shown in FIGS. 3 and 4, the safety cover 130 has a cylindrical shape in which the upper and lower sides are opened, and a part of the safety cover 130 protrudes from the initial state A to the upper side of the housing 110 so that the pen needle unit 10 is installed inside the housing 110 while not being exposed to the outside. 3 and 4, the safety cover 130 has one or more guide protrusions 131 formed on an outer surface thereof. In this case, the guide protrusion 131 is preferably formed in a pair symmetrical position with respect to the central axis of the cylinder of the safety cover 130 for smooth operation.
  • the safety cover 130 as shown in Figure 3 and 4, is provided to be elastically provided by the elasticity providing means 120 is installed to be movable.
  • the rotary gripping groove 132 is further formed as shown in Figure 4 for easy gripping in the return step to be described later.
  • the guide groove structure 150 is formed such that the guide protrusions 131 are inserted into the inner surface of the housing 110 and guided, respectively.
  • the guide groove structure 150 has an initial state groove 151 in which the guide protrusion 131 is inserted and positioned in the initial state A, as shown in FIGS. 5 and 7. Basically provided.
  • the safety cover 130 is pushed downward by the mounting / removing distance L1 at the initial position A in the mounting / removing process.
  • a first guide ramp 152 which is formed to be inclined in one direction downward by the injection distance L2 from the initial state groove 151 so as to return to the initial position A and return to the initial position A
  • the first A second guide ramp 153 which is successively formed at the end of the guide ramp 152 and is formed to be inclined in the other direction downward by the mounting / removal distance L1 from the initial position A, and the second guide ramp ( It is formed successively at the end of the 153, and comprises an initial position return induction path 154 to form a path to return to the initial position (A).
  • the guide protrusion 131 moves in the guide groove structure 150 on the left side in FIG. 8 along the movement path represented by the dotted arrow, and as shown by the arrow on the right side in FIG. 8.
  • the cover 130 is pressed down by the mounting / removing distance L1 and then returns to the original initial position A to return to the initial state.
  • the safety cover 130 is pushed downward by pressing the skin as much as the injection distance (L2) in the initial position (A), and after the injection process is finished the safety The cover 130 is lifted up and moved to the fixed position B, and then fixed, so that the state of preventing the needle 11c from being exposed to the outside should be maintained.
  • the guide groove structure 150 is continuously formed at the end of the first induction ramp 152, and is formed to be inclined in the one direction upward to the same height as the initial position. It is preferably configured to include a fixed position induction return path 155 reaching up to the fixed position (B) of.
  • the guide protrusion 131 returns to the second guide ramp 153 and the initial position. Instead of moving along the induction path 154 to return to the initial position A, the motor moves to the fixed position B while rising along the fixed position induction return path 155. Therefore, even when the safety cover 130 is pressed from the outside, the safety cover 130 does not lower and stays in a fixed position, thereby preventing the needle 11c from being exposed to the outside.
  • the guide groove structure 150 is formed as a through-hole in the fixed position groove 156, as shown in Figure 4 and 5, the guide protrusion (
  • the guide protrusion 131 may be configured to further include a use state checking through hole 159 that can be visually identified from the outside of the housing 110. Do.
  • the guide protrusion 131 is preferably implemented in a different color from the housing 110 for easy visual confirmation.
  • the guide groove structure 150 is upper side in the fixed position (B), as shown in Figs.
  • the fixed position groove 156 and the fixed position holding projections 157 formed to protrude upward from the fixed position (B) is preferably further configured to include.
  • the guide protrusion 131 is moved from the fixed position B to the initial position A again, so that the safety cover ( 130 must be allowed to descend by the mounting / dismounting distance (L1).
  • the guide groove structure 150 as shown in Figures 5 and 10, the initial position recovery induction path 158 formed in the other direction from the fixed position (B) to the initial position (A) It is preferable to comprise more.
  • the guide protrusion 131 moves along the initial position recovery induction path 158 to fix the fixed position B.

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hematology (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Environmental & Geological Engineering (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

La présente invention concerne un couvercle de sécurité pour une seringue de type stylo et un couvercle de sécurité pour une seringue de type stylo, caractérisé en ce qu'il comprend : un boîtier qui a un espace ouvert verticalement dans celui-ci et est monté sur le corps principal d'une seringue ; un moyen de fourniture d'élasticité installé à l'intérieur du boîtier ; un couvercle de sécurité qui a une forme cylindrique avec une partie supérieure et une partie inférieure ouvertes, une partie de celui-ci faisant saillie à partir de la partie supérieure du boîtier, est installé à l'intérieur du boîtier de sorte qu'une unité d'aiguille de stylo ne devant pas être exposée à l'extérieur, a une ou plusieurs saillies de guidage formées sur la surface extérieure de celui-ci, et est installée de façon à être mobile par la réception d'élasticité par l'intermédiaire du moyen de fourniture d'élasticité ; et des structures de rainure de guidage qui sont formées sur la surface interne du boîtier de manière à ce que les saillies de guidage respectives soient insérées et guidées par celles-ci et qui guident les saillies de guidage.
PCT/KR2018/000712 2017-02-10 2018-01-16 Structure de couvercle de sécurité pour seringue de type stylo Ceased WO2018147563A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2017-0018609 2017-02-10
KR1020170018609A KR101845655B1 (ko) 2017-02-10 2017-02-10 펜 타입 주사기의 안전 커버 구조

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WO2018147563A1 true WO2018147563A1 (fr) 2018-08-16

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PCT/KR2018/000712 Ceased WO2018147563A1 (fr) 2017-02-10 2018-01-16 Structure de couvercle de sécurité pour seringue de type stylo

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WO (1) WO2018147563A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101988354B1 (ko) * 2018-08-30 2019-06-12 (주) 이도바이오 재사용 방지를 위한 안전 펜니들

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5984899A (en) * 1993-02-11 1999-11-16 Beech Medical Products, Inc. Needle protector device having a lockable protective cover which is unlockable during actuation
US20120041368A1 (en) * 2009-04-27 2012-02-16 Shl Group Ab Safety Pen Needle Device
KR20130041153A (ko) * 2010-07-02 2013-04-24 사노피-아벤티스 도이칠란트 게엠베하 사전 충전된 주사기용 안전 디바이스 및 주사 디바이스
JP2013527004A (ja) * 2010-06-03 2013-06-27 エス・ホー・エル・グループ・アクチボラゲット 薬剤送達装置
KR20150117931A (ko) * 2014-04-11 2015-10-21 최규동 재사용 방지 기능이 구비된 일회용 주사기 바늘

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6677656B2 (ja) 2015-01-30 2020-04-08 テルモ株式会社 保護装置及び医療機器組立体

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5984899A (en) * 1993-02-11 1999-11-16 Beech Medical Products, Inc. Needle protector device having a lockable protective cover which is unlockable during actuation
US20120041368A1 (en) * 2009-04-27 2012-02-16 Shl Group Ab Safety Pen Needle Device
JP2013527004A (ja) * 2010-06-03 2013-06-27 エス・ホー・エル・グループ・アクチボラゲット 薬剤送達装置
KR20130041153A (ko) * 2010-07-02 2013-04-24 사노피-아벤티스 도이칠란트 게엠베하 사전 충전된 주사기용 안전 디바이스 및 주사 디바이스
KR20150117931A (ko) * 2014-04-11 2015-10-21 최규동 재사용 방지 기능이 구비된 일회용 주사기 바늘

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