WO2019088405A1 - Seringue de type à injection automatique et dispositif auxiliaire pour injection automatique de liquide d'injection - Google Patents

Seringue de type à injection automatique et dispositif auxiliaire pour injection automatique de liquide d'injection Download PDF

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Publication number
WO2019088405A1
WO2019088405A1 PCT/KR2018/008335 KR2018008335W WO2019088405A1 WO 2019088405 A1 WO2019088405 A1 WO 2019088405A1 KR 2018008335 W KR2018008335 W KR 2018008335W WO 2019088405 A1 WO2019088405 A1 WO 2019088405A1
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WO
WIPO (PCT)
Prior art keywords
plunger
outer cylinder
elastic body
injection
pressing
Prior art date
Application number
PCT/KR2018/008335
Other languages
English (en)
Korean (ko)
Inventor
김진승
Original Assignee
인제대학교 산학협력단
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 인제대학교 산학협력단 filed Critical 인제대학교 산학협력단
Publication of WO2019088405A1 publication Critical patent/WO2019088405A1/fr

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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
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
    • A61M5/31513—Piston constructions to improve sealing or sliding
    • 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
    • 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
    • A61M5/3129—Syringe barrels
    • A61M5/3137—Specially designed finger grip means, e.g. for easy manipulation of the syringe rod
    • 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
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • 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
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31501—Means for blocking or restricting the movement of the rod or piston
    • 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
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31533—Dosing mechanisms, i.e. setting a dose
    • A61M5/31535—Means improving security or handling thereof, e.g. blocking means, means preventing insufficient dosing, means allowing correction of overset dose
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/58—Means for facilitating use, e.g. by people with impaired vision
    • A61M2205/586—Ergonomic details therefor, e.g. specific ergonomics for left or right-handed users

Definitions

  • the present invention relates to a self-injecting syringe and an auxiliary device for injecting an injection fluid, and more particularly, to a self-injection syringe and an injection device for injecting an injection fluid, An injection syringe and an auxiliary device for injecting the injection liquid automatically.
  • the patient is directly sono-guided using the opposite hand, Inject or take tissue.
  • the present invention has been conceived to solve the above-mentioned problems, and it is an object of the present invention to provide a method and apparatus for injecting an injection solution by a single hand to improve user convenience, And to provide a self-injecting syringe capable of reducing the size of the syringe.
  • an automatic injecting syringe including: an outer tube in which an injection solution is accommodated; A push rod mounted to the outer tube such that the pushing force of the injected liquid can be applied or the injection liquid can be drawn into the receiving space of the outer tube; And an elastic body for pressing the plunger toward the outer cylinder by the stored elastic force, wherein the elastic body is fixed to the outer cylinder and the other end is mechanically connected to the plunger, and when the plunger is moved in a direction away from the outer cylinder, ; And a position fixing means for temporarily fixing the plunger to the outer cylinder after the plunger is moved in a direction away from the outer cylinder.
  • the elastic body is preferably a rubber band having one side fixed to the outer cylinder and the other side connected to the plunger.
  • the position fixing means includes: a plurality of engagement surfaces formed on the rod portion of the plunger; And a locking member for selectively adjusting the relative position of the plunger to the outer cylinder by selectively engaging with one of the engaging surfaces.
  • the position fixing means includes a plurality of guide surfaces provided between the engaging surfaces to guide the movement of the plunger in a direction in which the plunger moves away from the outer cylinder, , Respectively, so that the relative position with respect to the outer cylinder of the plunger can be adjusted by being selectively locked to the locking member only in a process in which the plunger approaches the outer cylinder, wherein the locking member comprises a hinge And an elastic pressing part which is located on the opposite side of the locking part with respect to the hinge part and is elastically pressed by the elastic body, the locking part being rotated around the hinge part and selectively engaged with any one of the locking surfaces, .
  • the pressing flange portion of the plunger to which the rubber band is connected preferably includes a hooking groove for restraining any removal of the rubber band.
  • an auxiliary injection apparatus for automatically injecting an injection fluid, comprising: an outer cylinder in which an injection fluid is received; and an outer cylinder for injecting the injection fluid into the outer cylinder, And a plunger movably installed on the outer barrel, wherein the plunger is fixedly mounted on the outer barrel and the other end is power-connected to the plunger, and the plunger is moved in a direction away from the outer barrel
  • An elastic body for storing an elastic force and pressing the plunger toward the outer cylinder by the stored elastic force; And a position fixing means for temporarily fixing the plunger to the outer cylinder after the plunger is moved in a direction away from the outer cylinder.
  • the position fixing means may include a plurality of engaging faces that are rotatably mounted on the mounting body and that engage with the pressing flange portion of the plunger, And a locking member formed thereon.
  • the automatic injecting syringe according to the present invention having the above-described structure allows the injection liquid to be introduced into the outer cylinder during retraction of the plunger by pulling the plunger, and also allows the elastic body to store the elastic force,
  • the position of the plunger against the outer cylinder can be temporarily fixed in a state where the backward movement of the plunger is completed, and when the injection of the injection liquid is required, the user releases the locking state of the position fixing means with one hand, So that the injection liquid can be injected with elastic force.
  • the self-injecting syringe according to the present invention can organically combine the structure of the conventional syringe with the structure that can be easily obtained and easily manufactured from the periphery, so that injection of the injection liquid can be performed by one hand,
  • the advantage of reducing manufacturing costs can be expected.
  • the auxiliary injector for injecting automatic injections according to the present invention having the above-described structure can be used in combination with a syringe if necessary, So that it is possible to inject the injection solution with one hand, thereby making it possible to expect not only the user convenience but also the manufacturing cost to be reduced.
  • FIG. 1 is a perspective view of a self-priming syringe according to one embodiment of the present invention
  • FIG. 2 is a partial cross-sectional side view of an embodiment of the present invention.
  • FIG. 3 is a diagram for explaining an operation process of an embodiment of the present invention.
  • FIG. 4 is a perspective view of a self-priming syringe according to another embodiment of the present invention.
  • FIG. 5 is a perspective view of an auxiliary device for automatically injecting an injection according to an embodiment of the present invention.
  • FIG. 6 is a perspective view showing an installed state of an auxiliary injection device for injecting an injection according to an embodiment of the present invention
  • FIG. 7 and FIG. 8 are side views for explaining an operation of an auxiliary injector for injecting an automatic injector according to an embodiment of the present invention
  • FIG. 1 is a perspective view of a self-injecting syringe according to an embodiment of the present invention
  • FIG. 2 is a partial sectional side view of an embodiment of the present invention
  • FIG. 3 is a view for explaining an operation process of an embodiment of the present invention.
  • the self-injecting syringe includes an outer cylinder 1, a plunger 2, an elastic body, and a position fixing means.
  • the extubay 1 is a portion where the injection liquid is received and the plunger 2 is a portion for pressurizing the injection liquid contained in the outer cylinder 1.
  • the elastic body elastically presses the plunger 2 toward the outer cylinder 1
  • the above-described catching and fixing means serves to fix the position of the plunger 2 with respect to the outer cylinder 1.
  • the plunger 2 is provided so as to be movable relative to the outer barrel 1 so as to pressurize the infusion liquid contained in the outer barrel 1 or to draw the infusion liquid into the receiving space side of the outer barrel 1.
  • One end of the elastic body is fixed to the outer cylinder 1 and the other end of the elastic body is mechanically connected to the plunger 2 to move together with the plunger 2 to store the elastic force.
  • the pusher 2 is pressed by the elastic force to enable injection of the injection liquid.
  • Such an elastic body can be realized in various structures, for example, by a material having elasticity such as a spring 43a, but it is preferable that a rubber band 3 is employed so as to reduce the manufacturing cost.
  • the position fixing means is for temporarily fixing the position of the plunger 2 with respect to the outer cylinder 1 after the plunger 2 is moved in the direction away from the outer cylinder 1, 1) of the push rod 2 is prevented from being disturbed and forward movement can be regulated so that the push rod 2 can be moved with respect to the outer barrel 1 only at the point of time when the injection liquid is urged by forward movement of the push rod 2 .
  • the automatic injecting syringe having such a configuration allows the injection liquid to be introduced into the outer cylinder 1 in the process of withdrawing the plunger 2 and moving it backward relative to the outer cylinder 1
  • the resilient force can be stored in the elastic body and the position of the plunger 2 relative to the outer cylinder 1 can be temporarily fixed in the state where the plunger 2 is retracted with respect to the outer cylinder 1, At the time when injection is required, as shown in FIG. 3, the user releases the locking state of the position fixing means with one hand so that the injection liquid can be injected by the elastic force stored in the elastic body.
  • the self-injecting syringe according to the present invention can organically combine the structure of the conventional syringe with the structure that can be easily obtained and easily manufactured from the periphery, so that injection of the injection liquid can be performed by one hand,
  • the advantage of reducing manufacturing costs can be expected.
  • the elastic body is made up of a rubber band 3, one side of which is fixed to the outer cylinder 1 and the other side of which is connected to the plunger 2.
  • the present embodiment having such a configuration is constituted to be able to apply an elastic force to the plunger 2 by using an elastic band 3 which can be easily obtained at a low cost in the vicinity so that the disposable syringe And the advantage of further enhancing price competitiveness in the market.
  • the rubber band (3) is connected to the pressing flange portion (21) of the plunger (2).
  • the rubber band 3 and the plunger 2 should be smoothly separated from each other and firmly connected to the plunger 2 without being detached from the plunger 2. Therefore, the pushing flange portion 21 of the plunger 2 employed in the present embodiment includes the catching groove that can suppress any removal of the rubber band 3.
  • the position fixing means may be provided with a plurality of engaging faces 22a formed on the rod portion 22 of the plunger 2 and a plurality of engaging faces 22a formed on the engaging faces 22a, And a locking member 4 to be hooked.
  • the plurality of engagement surfaces 22a are arranged at intervals along the longitudinal direction of the plunger 2 and the locking member 4 is engaged with one of the engagement surfaces 22a, 2) relative to the outer cylinder (1).
  • This embodiment having such a configuration is not capable of advancing movement of the plunger 2 with respect to the outer cylinder 1 when the locking member 4 is engaged with any one of the engagement surfaces 22a of the plunger 2 , And when the engagement state is released, the push rod 2 is moved forward with respect to the outer cylinder 1 by the elastic force of the elastic body, thereby enabling injection of the injection liquid.
  • the locking member 4 preferably includes a hinge portion 41 and a locking portion 42.
  • the locking portion 4 includes a locking portion 42a and a locking portion 42b, And an elastic pressing portion 43, as shown in Fig.
  • the guiding surfaces 22b can guide the movement of the plunger 2 in the process of moving (retracting) the plunger 2 in the direction away from the outer cylinder 1, thereby allowing the elastic force to be stored in the elastic body Of course, it does not interfere with the retracting movement of the plunger 2 with respect to the outer cylinder 1.
  • the engagement surfaces 22a are selectively locked to the locking member 4 only during the process in which the bar 2 approaches the outer barrel 1, ) Relative to the outer cylinder (1).
  • the hinge portion 41 provided on the locking member 4 is a portion rotatably installed on the outer cylinder 1 and the locking portion 42 rotates about the hinge portion 41, And the elastic pressing portion 43 is located on the opposite side of the locking portion 42 with respect to the hinge portion 41 and is located on the same side as the spring 43a And is a portion which is elastically pressed by an elastic body.
  • the push rod 2 is retracted with respect to the outer cylinder 1, thereby enabling injection of the injection liquid into the outer cylinder 1, enabling elastic force to be stored in the elastic body,
  • the pressing force of the elastic pressing portion 43 of the locking member 4 is released by the finger of the user so that the pressing force of the elastic pressing portion 43 of the locking member 4 can be released It is possible to move the plunger 2 forward only when the elastic pressure of the elastic pressing part 43 is maintained. As a result, the plunger 2 can not be moved forward, And the like.
  • FIG. 4 is a perspective view of a self-priming syringe according to another embodiment of the present invention.
  • the present embodiment is characterized in that the position fixing grooves 51a formed in the flange portion 51 of the outer cylinder 5 are formed so as to secure a greater fixing force between the rubber band 3 and the outer cylinder 5, And a hooking groove 61a formed in the pushing flange portion 61 of the plunger.
  • This embodiment having such a configuration makes it possible to firmly fix the rubber strip 3 to the outer cylinder 5 and the pusher, thereby making it possible to expect an advantage of being able to further improve the convenience of the user and the accuracy of injection.
  • FIG. 5 An auxiliary device for automatically injecting an injection according to an embodiment of the present invention will be described in detail with reference to FIGS. 5 to 8.
  • FIG. 5 An auxiliary device for automatically injecting an injection according to an embodiment of the present invention will be described in detail with reference to FIGS. 5 to 8.
  • FIG. 5 is a perspective view of an auxiliary injection device for injecting injection according to an embodiment of the present invention
  • FIG. 6 is a perspective view showing an installation state of an automatic injection device for injecting injection according to an embodiment of the present invention
  • 8 is a side view for explaining an operation of an auxiliary injector for injecting an injection according to an embodiment of the present invention.
  • an auxiliary device for injecting an automatic injecting solution has the same characteristic configuration as that of the above-described embodiment, but the embodiment in which the characteristic configuration is reflected is produced separately from the injector And then mounted on a syringe as needed.
  • the auxiliary injecting device for injecting the injecting liquid includes an outer tube 1 in which an injecting liquid is accommodated, and an injecting device for injecting the injecting liquid into the receiving space of the outer tube 1 by pressurizing the injecting fluid stored in the outer tube 1 And a plunger (2) provided so as to be able to move relative to the outer cylinder (1) so that the plunger (2) can be moved relative to the outer cylinder (1).
  • One end of the elastic body 7 is fixed to the outer cylinder 1 and the other end is mechanically connected to the plunger 2.
  • the plunger 2 is moved in a direction away from the outer cylinder 1 And the elastic force is applied to the plunger 2 to urge the plunger 2 toward the outer cylinder 1 side.
  • the position fixing means is for temporarily fixing the plunger 2 to the outer cylinder 1 after the plunger 2 is moved in the direction away from the outer cylinder 1.
  • the auxiliary injector for injecting the automatic injector according to the present embodiment having such a configuration can be used in combination with a syringe if necessary and can be easily combined with a conventional syringe structure By injecting the injection liquid by hand, it is possible to expect not only the user convenience but also the manufacturing cost to be reduced.
  • the present embodiment includes a mounting main body 8 connected to one side of the elastic body 7 and detachably attached to the outer cylinder 1 so that the elastic body 7 can be coupled to and separated from the syringe Thereby enhancing user convenience and enabling provision of high quality medical care services.
  • the elastic body 7 is preferably made of a material capable of having an elastic force by deformation.
  • a rubber band one side of which is fixed to the mounting main body 8 and the other side of which is connected to the plunger 2, may be employed.
  • the position fixing means includes a locking member (9) provided rotatably on the mounting main body (8) and provided with a plurality of engaging faces (91) for engaging the pressing flange portion (21) of the plunger ).
  • the present embodiment further includes a pressing body 92 for elastically pressing the engaging surface 91 toward the pressing flange portion 21 so that the engaging surface 91 of the locking member 9 So that the engagement force between the flange portions 21 can be further secured.
  • an elastic piece integrally provided to the locking member 9 and elastically deformed is employed as the pressing body 92.

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

Abstract

La présente invention concerne une seringue de type à injection automatique. La seringue de type à injection automatique selon la présente invention comprend : un cylindre dans lequel un liquide d'injection est reçu; un piston installé de façon à être relativement mobile par rapport au cylindre de façon à mettre sous pression le liquide d'injection reçu dans le cylindre ou à permettre au liquide d'injection d'entrer dans un espace de réception du cylindre; un corps élastique ayant un côté installé de manière fixe sur le cylindre et l'autre côté relié de façon dynamique au piston, le corps élastique stockant une force élastique lorsque le piston se déplace dans une direction qui est plus éloignée du cylindre et met sous pression le piston vers le cylindre au moyen de la force élastique stockée; et un moyen de fixation de position pour fixer temporairement la position du piston par rapport au cylindre après que le piston se déplace dans la direction qui est plus éloignée du cylindre.
PCT/KR2018/008335 2017-11-03 2018-07-24 Seringue de type à injection automatique et dispositif auxiliaire pour injection automatique de liquide d'injection WO2019088405A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2017-0145810 2017-11-03
KR1020170145810A KR102068877B1 (ko) 2017-11-03 2017-11-03 자동 주입식 주사기 및 주사액 자동 주입용 보조 장치

Publications (1)

Publication Number Publication Date
WO2019088405A1 true WO2019088405A1 (fr) 2019-05-09

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WO (1) WO2019088405A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102278119B1 (ko) 2019-10-15 2021-07-14 손진이 주사기 지지용 거치장치
KR102412895B1 (ko) * 2020-03-03 2022-07-06 주식회사 휴온스메디컬 시린지의 플런저 고정장치

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2911836B2 (ja) * 1996-11-14 1999-06-23 福徳塗装工業株式会社 台座及び注入装置
KR200249934Y1 (ko) * 2001-07-10 2001-11-17 전덕용 콘크리트 구조물의 균열 보수용 약액 주입기
KR100674370B1 (ko) * 2005-12-02 2007-01-29 발해산업개발 주식회사 콘크리트구조물의 균열보수용 에폭시수지 자동주입장치 및이를 이용한 시공방법
KR20110130289A (ko) * 2010-05-27 2011-12-05 이희영 주사기의 압력 발생 및 압력 표시 장치
JP2017080615A (ja) * 2017-02-17 2017-05-18 Hoya株式会社 注射器用のアダプタおよび注射器ユニット

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Publication number Priority date Publication date Assignee Title
FR2857654B1 (fr) * 2003-07-16 2007-04-27 Prodonta Dispositif d'ejection d'un produit liquide ou pateux
GB2414405B (en) * 2004-05-28 2009-01-14 Cilag Ag Int Injection device
FR2913341B1 (fr) * 2007-03-07 2009-11-20 Primequal Sa Dispositif d'ejection jetable d'un produit liquide ou pateux
KR100977283B1 (ko) * 2009-11-30 2010-08-24 장택희 자동 주사기
KR101970467B1 (ko) * 2010-04-21 2019-04-19 애브비 바이오테크놀로지 리미티드 치료제의 제어된 전달을 위한 착용형 자동 주사 디바이스

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2911836B2 (ja) * 1996-11-14 1999-06-23 福徳塗装工業株式会社 台座及び注入装置
KR200249934Y1 (ko) * 2001-07-10 2001-11-17 전덕용 콘크리트 구조물의 균열 보수용 약액 주입기
KR100674370B1 (ko) * 2005-12-02 2007-01-29 발해산업개발 주식회사 콘크리트구조물의 균열보수용 에폭시수지 자동주입장치 및이를 이용한 시공방법
KR20110130289A (ko) * 2010-05-27 2011-12-05 이희영 주사기의 압력 발생 및 압력 표시 장치
JP2017080615A (ja) * 2017-02-17 2017-05-18 Hoya株式会社 注射器用のアダプタおよび注射器ユニット

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KR102068877B1 (ko) 2020-01-21
KR20190050422A (ko) 2019-05-13

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