WO2022124548A1 - Dispositif d'injection jetable ayant une structure de verrouillage améliorée entre un boîtier externe et un module de verrouillage pour empêcher une réutilisation - Google Patents

Dispositif d'injection jetable ayant une structure de verrouillage améliorée entre un boîtier externe et un module de verrouillage pour empêcher une réutilisation Download PDF

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Publication number
WO2022124548A1
WO2022124548A1 PCT/KR2021/013928 KR2021013928W WO2022124548A1 WO 2022124548 A1 WO2022124548 A1 WO 2022124548A1 KR 2021013928 W KR2021013928 W KR 2021013928W WO 2022124548 A1 WO2022124548 A1 WO 2022124548A1
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WO
WIPO (PCT)
Prior art keywords
locking
protrusion
separation
outer housing
housing
Prior art date
Application number
PCT/KR2021/013928
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English (en)
Korean (ko)
Inventor
조희민
윤종덕
Original Assignee
(주)풍림파마텍
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 (주)풍림파마텍 filed Critical (주)풍림파마텍
Publication of WO2022124548A1 publication Critical patent/WO2022124548A1/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
    • A61M5/50—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
    • A61M5/5013—Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe
    • A61M5/502—Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe for blocking the 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
    • A61M5/31501—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
    • A61M5/32—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
    • A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
    • A61M5/3245—Constructional features thereof, e.g. to improve manipulation or functioning
    • 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
    • A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
    • A61M5/326—Fully automatic sleeve extension, i.e. in which triggering of the sleeve does not require a deliberate action by the user
    • 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
    • A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
    • A61M5/3245—Constructional features thereof, e.g. to improve manipulation or functioning
    • A61M2005/3247—Means to impede repositioning of protection sleeve from needle covering to needle uncovering position
    • 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
    • A61M5/5013—Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe
    • A61M5/502—Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe for blocking the piston
    • A61M2005/5026—Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe for blocking the piston allowing single filling of syringe
    • 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
    • A61M2205/27—General characteristics of the apparatus preventing use
    • A61M2205/273—General characteristics of the apparatus preventing use preventing reuse, e.g. of disposables

Definitions

  • the present invention relates to a disposable injection device having a locking structure to prevent reuse, and more particularly, to an elastic spring in which a locking module for accommodating a chemical cartridge pressed after injection of an injection solution contained in a chemical cartridge of a disposable syringe is completed. It relates to a disposable injection device capable of effectively preventing the lifting of the locking module and the chemical cartridge from being pressed by improving the locking structure constituting the outer housing and the locking module in the process of being lifted and locked by the extension force on the outer housing.
  • a syringe is one of the medical supplies, and is used for various purposes, such as injecting an injection solution, collecting blood, or collecting a sample.
  • Such a syringe is connected to a syringe barrel containing an injection solution and a syringe plunger that injects an injection solution or collects blood or a sample by pressing the inside of the syringe barrel, and a syringe needle and a syringe that is connected to the upper outlet of the syringe barrel to inject the injection solution into the skin
  • It consists of a syringe cap that protects the needle, and depending on the intended use, a syringe needle is coupled to the top outlet of the syringe barrel, a syringe cap is coupled, or a blood collection tool is used.
  • these syringes are to be used once. This means that the used syringe leaves a blood stain on the needle, and when the used syringe is used again, pathogens (hepatitis, AIDS, etc.) contained in the bloodstain of the person who injected it before are different. Because it spreads to people and causes a secondary infection, the syringe should be used only once and disposed of.
  • a syringe cap having a re-use prevention structure which is registered in Patent No. 10-1750352
  • the reuse prevention cover is provided with an upper body fitted to cover the outside of the opening and closing body and a lower body fitted to cover the outside of the fixed body, and a cutout connecting the upper body and the lower body
  • the opening/closing body separated from the fixed body is divided into an upper body and a lower body, and the connection cutout has to be cut off so that the upper body is separated from the lower body, so whether the upper body and the lower body are separated before use Since the reuse is prevented by the , the syringe needle coupling part of the syringe used once is exposed to the outside as it is, and the pressing operation of the syringe plunger is possible, so the reuse of the disposable syringe cannot be completely prevented.
  • Patent Document 1 Republic of Korea Patent No. 10-1750352 (registered on June 19, 2017)
  • Patent Document 2 Republic of Korea Registered Utility No. 20-0458761 (Registered on Feb. 13, 2012)
  • the pressed locking module when the pressed force is released in a state in which the locking module for accommodating the drug cartridge in which the injection is completed is additionally pressed in the downward direction when the injection is injected, the pressed locking module is arranged in a compressed state at the lower end of the locking module.
  • the locking structure forming the outer housing and the locking module is improved in the process of being locked on the outer housing, thereby effectively preventing the elevating locking module and the chemical cartridge from being pressed.
  • the present invention provides a structure that can reliably prevent the reuse of a disposable syringe by positioning the syringe needle coupled to the lower end of the chemical cartridge is drawn into the interior of the outer housing.
  • a housing body 110 having an open top shape, a pair of separation inducing parts 120 forming an open top of the housing body 110, and an outer housing 100 including a reuse prevention part 130 formed on a side surface of the housing body 110 ; and a locking body 210 , which is arranged to be changeable in a position within the housing body 110 , a cartridge coupling part 220 forming an upper portion of the locking body 210 , and protruding on the outer surface of the locking body 210 .
  • a locking module 200 including a locking portion 230 formed therein includes, wherein the reuse prevention portion 130 is a slide groove 131 formed on the housing body 110, the slide groove 131 and a lowering prevention protrusion 133 formed on both upper sides of the locking protrusion 231, the locking protrusion 231 protrudingly formed on both sides of the locking body 210, the locking part 230 of the locking protrusion 231 It includes a locking step 232 constituting the lower end, and locks the locking module 200 separated from the external housing 100 through the process in which the pair of separation induction parts 120 are opened through the pressure piston part 30 .
  • the locking protrusion 231 constituting the locking part 230 is caught by the locking step 232 on the upper end of the lowering prevention protrusion 133 constituting the reuse prevention part 130, so that the locking module It may be desirable to be characterized as having a structure that limits the descent of (200).
  • the locking release protrusions 211 formed on both sides of the locking body 210 are coupled to the protrusion seating grooves 134 of the reuse prevention unit 130 to position the locking body 210 in the outer housing 100 . It may be desirable to make it fixed.
  • Each of the pair of separation induction parts 120 is formed to extend upwardly on the upper surface of the separation guide plate 121 and the separation guide plate 121 extending outwardly from the upper end of the housing body 110 and has an inner surface It includes a separation mastoid protrusion 123 having an inclined projection inclined surface 124, and when the pressure piston part 30 descends, an inclined projection inclined surface 124 forming the inside of the separation mastoid projection 123. It may be preferable to increase the separation distance between the pair of separation inducing parts 120 through the process in which the upper end of the pressure piston part 30 moves along the .
  • the locking protrusion forming the locking part is formed in the outer housing By being caught by the locking step forming the lower end of the locking protrusion on the upper end of the anti-descent protrusion, which is a component of the reuse preventing unit forming the
  • the present invention when injecting the injection liquid when the pressure is released in a state in which the locking module for accommodating the injection liquid cartridge is additionally pressed in the downward direction, the pressed chemical liquid cartridge is arranged in a compressed state at the bottom of the chemical liquid cartridge It has a locking structure to prevent reuse in order to prevent further pressing of the locking module that is locked with the outer housing while being lifted by the return force of the spring to accommodate the chemical cartridge.
  • FIG. 1 shows a state in which the locking module accommodating the chemical cartridge before use of the syringe is completely accommodated in the outer housing on the disposable injection device having a locking structure to prevent reuse of the present invention.
  • Figure 2 shows a point in time inducing separation between the locking module and the outer housing by completely lowering the pressure piston unit on the disposable injection device having a locking structure to prevent reuse of the present invention.
  • FIG 3 shows a locking state in which the locking module for accommodating the chemical cartridge is raised and lowered by the extension force of the compressed elastic spring and locked on the outer housing.
  • Figure 4 shows an exploded perspective view of a disposable injection device having a locking structure to prevent reuse of the present invention.
  • FIG. 5 shows a side view of the outer housing so that the specific shape of the reuse preventing unit can be confirmed.
  • FIG. 6 shows a state in which the locking module is stably coupled to the outer housing through the reuse prevention unit.
  • FIG. 7 shows a cross-sectional view of FIG. 1 .
  • FIG. 8 shows a cross-sectional view of FIG. 2 .
  • FIG. 9 shows a cross-sectional view of FIG. 3 .
  • FIGS. 1 to 9 a disposable injection device having a locking structure to prevent reuse according to an embodiment of the present invention will be described with reference to FIGS. 1 to 9 .
  • Disposable injection device is reused in a state in which the position changeable in the outer housing 100, the outer housing 100, which has a function of fixing to prevent further use of the locking module 200 in a state in which the injection liquid is used up, and can be changed within the outer housing 100
  • Locking module 200 having a structure to prevent In a coupled state, a pressure piston part 30 having a pressure flange 33 and a pressure head 31 by pressing and pressing the inside of the chemical cartridge 20, and the chemical cartridge 20, in which the injection solution is contained and accommodated therein.
  • the elastic spring 10 has an elastic body having a coil shape, and primarily supports the locking module 200 in a first pressurized state. Next, the pressure piston unit 30 functions to push up the locking module 200 temporarily released from the outer housing 100 in the upper direction.
  • the chemical cartridge 20 is a cartridge body 21 for accommodating the injection solution, and the pressure piston unit 30 is lowered to the inside of the cartridge body 21 containing the injection solution in a state coupled to the lower end of the cartridge body 21, and the injection solution contained therein.
  • the needle coupling part 22, which is injected into the body through the syringe needle to be injected, and the locking part coupling plate 23 that induces it to be fixed without shaking on the locking module 200 in a state coupled to the upper end of the cartridge body 21 ) is included.
  • the pressure piston unit 30 is disposed in a plate shape on the lower portion of the pressure head 31 and the pressure head 31 forming the upper end portion to enable the outer sparging of the separation induction unit 120 forming the upper portion of the outer housing 100 .
  • the separator plate 32 which is formed long in the lower direction of the pressure head 31, and is disposed on the lower end of the plunger 33 and the plunger 33 that are slidably coupled into the cartridge body 21 It includes a pressing end (35).
  • the plunger 33 and the pressure end 35 are pressed toward the lower side of the outer housing 100 and the injection solution contained in the chemical cartridge 20 is pushed toward the needle coupling unit 22 side.
  • the injection solution is injected into the skin tissue of the body through a syringe needle coupled to the needle coupling part 22, and at this time, the elastic spring 10 maintains a compressed state.
  • the plunger 33 is lowered to the inside of the cartridge body 21 containing the injection solution by pressing the pressure piston part 30, and the injection solution immersed in the cartridge body 21 is coupled to the needle coupling part 22. It is known that it is injected into the body through the injection and a detailed description thereof will be omitted.
  • the outer housing 100 includes a hollow housing body 110 having an open top shape, a pair of separation inducing parts 120 forming an open top of the housing body 110 , and a side surface of the housing body 110 . It includes a reuse prevention unit 130 formed in the.
  • the housing body 110 has a volume that the locking module 200 can accommodate.
  • the pair of A predetermined space is formed on the side surface of the housing body 110 based on the separation guide part 120 .
  • Each of the pair of separation induction parts 120 extends upwardly on the upper surface of the separation induction plate 121 and the separation induction plate 121 extending outwardly from the top of the housing body 110 and is inclined on the inner surface. and a separation mastic protrusion 123 having a protrusion inclined surface 124 .
  • the reuse prevention unit 130 is specifically formed to be spaced apart on both upper sides of the slide groove 131, which is formed elongated in the upper and lower directions on the housing body 110, and the slide groove 131.
  • the protrusion forming groove 132, the upper end of the slide groove 131 and the lowering preventing protrusion 133 connecting the upper end of the protruding forming groove 132, and the lowering preventing protrusion 133 on the housing body 110 It includes a protrusion seating groove 134 formed through.
  • the slide groove 131 functions to guide a movement path when the locking module 200 accommodated in the outer housing 100 is temporarily released and ascends. That is, it functions to guide movement from the temporarily unlocked state to the locked position again.
  • the protrusion forming groove 132 makes it possible to secure a space to enable flexible movement of the descending preventing protrusion 133 .
  • the descending prevention protrusion 133 functions to prevent the rising locking module 200 from descending again.
  • the anti-descent protrusion 133 has a stepped shape with an inclined lower end in a state bent inward.
  • the protrusion seating groove 134 enables position fixation of the locking module 200, and through coupling with the unlocking protrusion 211 formed on the outer surface of the locking module 200, the primary of the locking module 200
  • the locking module 200 during temporary position release and secondary position fixation of the locking module 200 through the process in which a pair of separation induction parts 120 are opened through the pressure piston part 30 on the other hand.
  • the reuse prevention unit 130 has a structure that is spaced apart from the lower portion of the pair of separation induction units 120 on the housing body 110 , and after injecting the injection solution through the pressure piston unit 30 , the pressurization
  • the locking module 200 primarily coupled to the housing body 110 is temporarily released by the additional operation of the piston unit 30 and then secondary fixed again. That is, the temporarily released locking module 200 is locked on the housing body 110 in a raised state by the elastic spring to prevent further downward movement.
  • the locking module 200 is a locking body 210 that is arranged to be changeable in a position within the housing body 110 , a cartridge coupling part 220 forming an upper portion of the locking body 210 , and an outer surface of the locking body 210 . It includes a locking portion 230 that is formed to protrude.
  • the locking body 210 has an upper open hollow shape to be accommodated in the housing body 110 .
  • the upper end of the elastic spring 10 is bound to the lower end of the locking body 210 .
  • Lock-release protrusions 211 are formed on both sides of the locking body 210, and the lock-release protrusions 211 are coupled to the protrusion seating groove 134 of the reuse prevention unit 130, and thereby, in the outer housing 100. It enables position fixation of the locking body 210 .
  • the cartridge coupling unit 220 is separated through the coupling frame 221 disposed on the upper end of the locking body 210, the partition wall 222 formed along the vertical direction on the inner space forming the coupling frame 221, and the partition wall. It includes a cartridge fixing latch 223 that is disposed on the space, respectively, arranged to have a predetermined elasticity. In the case of fixing the chemical cartridge 20 to the locking module 200, the locking portion coupling plate 23 constituting the chemical cartridge 20 is limited in upper movement by the cartridge fixing latch 223, resulting in locking. It prevents separation of the chemical cartridge 20 from the module 200 .
  • the locking part 230 is a locking protrusion 231 formed to protrude on both sides of the locking body 210 in a state spaced apart from the lower side of the unlocking protrusion 211, the locking protrusion 231 ), the locking step 232 constituting the lower end, the locking body 233 extending to the lower side of the locking protrusion 231 based on the locking step 232, and the protrusion flow formed on both sides of the locking body 233 groove 235 .
  • the locking protrusion 231 may have a trapezoidal shape in which the upper surface is narrower than the lower surface, and the locking step 232 having a slightly inclined state toward the upper side in the inner direction can be formed.
  • the locking body 233 is formed to extend in the direct lower direction in a state of being slightly inclined toward the lower side in the state extending a predetermined distance.
  • the locking protrusion 231 is gradually inclined toward the locking body 210 around the locking step 232 in a state having the most protruding state to the outside, so that in the lower part of the locking body 233, the locking body 210 of It may have a shape reaching the surface.
  • the locking protrusion 231 constituting the locking part 230 is reused when the locking module 200 is temporarily released from the position through the process in which the pair of separation induction parts 120 are opened through the pressure piston part 30 and then the secondary position is fixed. By being caught on the upper end of the anti-fall protrusion 133 constituting the prevention portion 130 , as a result, the descent of the locking module 200 is limited.
  • Separator plate 32 constituting the pressure piston unit 30 may have a circular plate shape, and when the pressure piston unit 30 descends, an inclined protrusion inclined surface ( Through the process of moving the separation plate 32 along the 124), the separation distance between the pair of separation induction parts 120 gradually increases. In the above process, the lock release protrusion 211 formed on the outer surface of the locking module 200 is separated from the protrusion seating groove 134 to temporarily release the fixation between the locking module 200 and the outer housing 100 . .
  • the compressed elastic spring 30 is extended to elevate the locking body 210 of the locking module 200, and the locking module 200
  • the needle coupling part 22 is connected to the outer housing 100 by the elevation of the cartridge body 21. ) and is prevented from being exposed.
  • the locking module 200 is locked in the external housing 100, so even when the pressure piston part 30 is pressed again, the locking module 200 raised after the injection solution injection is completed is the external housing ( 100), as the pressure piston part 30 does not descend, the needle coupling part 22 to which the syringe needle is connected is prevented from being exposed from the lower end of the external housing 100, so that the injection solution cannot be injected Accordingly, it is possible to prevent the reuse of disposable syringes.
  • the pressed chemical cartridge when the pressed force is released while the locking module for accommodating the chemical cartridge in which the injection is completed is additionally pressed in the downward direction when the injection is injected, the pressed chemical cartridge is compressed at the bottom of the chemical cartridge. It is locked with the outer housing while being raised and lowered by the return force of the disposed spring to have a locking structure to prevent reuse in order to prevent further pressing of the locking module containing the chemical cartridge, while slidably coupled to the chemical cartridge.
  • the syringe needle coupled to the lower end of the chemical cartridge is drawn into the outer housing by facilitating separation between the locking module and the outer housing through the separation guide tapered on the upper end of the outer housing through the pressure head forming the upper part of the pressure piston unit. position to ensure that the reuse of disposable syringes is prevented.

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (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

Un dispositif d'injection jetable selon la présente invention présente une structure dans laquelle, lorsqu'un module de verrouillage, qui a été séparé d'un boîtier externe en raison d'une paire de parties de guidage de séparation disposées au niveau de la partie supérieure ouverte du boîtier externe s'étendant vers l'extérieur par un piston presseur, doit être à nouveau verrouillé, une saillie de verrouillage d'une unité de verrouillage est prise sur la partie supérieure d'une saillie empêchant le mouvement vers le bas, qui est un élément d'une partie de prévention de réutilisation du boîtier externe, par une bosse de verrouillage qui est l'extrémité inférieure de la saillie de verrouillage, maintenant ainsi le module de verrouillage (200) de descendre.
PCT/KR2021/013928 2020-12-11 2021-10-08 Dispositif d'injection jetable ayant une structure de verrouillage améliorée entre un boîtier externe et un module de verrouillage pour empêcher une réutilisation WO2022124548A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2020-0172885 2020-12-11
KR1020200172885A KR102224517B1 (ko) 2020-12-11 2020-12-11 재사용 방지를 위해 외부 하우징과 록킹 모듈 간의 록킹 구조를 개선한 일회용 주사 장치

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WO2022124548A1 true WO2022124548A1 (fr) 2022-06-16

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KR102224517B1 (ko) * 2020-12-11 2021-03-09 (주)풍림파마텍 재사용 방지를 위해 외부 하우징과 록킹 모듈 간의 록킹 구조를 개선한 일회용 주사 장치
KR102381715B1 (ko) * 2021-11-22 2022-04-01 (주)풍림파마텍 니들의 재사용 방지를 위한 주사 장치

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KR20050010398A (ko) * 2003-07-21 2005-01-27 신영길 안전 주사기
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