WO2019045179A1 - Dispositif d'assistance de seringue - Google Patents

Dispositif d'assistance de seringue Download PDF

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Publication number
WO2019045179A1
WO2019045179A1 PCT/KR2017/012855 KR2017012855W WO2019045179A1 WO 2019045179 A1 WO2019045179 A1 WO 2019045179A1 KR 2017012855 W KR2017012855 W KR 2017012855W WO 2019045179 A1 WO2019045179 A1 WO 2019045179A1
Authority
WO
WIPO (PCT)
Prior art keywords
syringe
gear
case
unit
cable
Prior art date
Application number
PCT/KR2017/012855
Other languages
English (en)
Korean (ko)
Inventor
김진승
박강민
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 WO2019045179A1 publication Critical patent/WO2019045179A1/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
    • A61M5/31565—Administration mechanisms, i.e. constructional features, modes of administering a dose
    • A61M5/31576—Constructional features or modes of drive mechanisms for piston rods
    • 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
    • A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
    • 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
    • A61M5/31511—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
    • 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
    • A61M5/31525—Dosing
    • A61M5/31528—Dosing by means of rotational movements, e.g. screw-thread 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
    • A61M5/31565—Administration mechanisms, i.e. constructional features, modes of administering a dose
    • A61M5/31576—Constructional features or modes of drive mechanisms for piston rods
    • A61M5/31578—Constructional features or modes of drive mechanisms for piston rods based on axial translation, i.e. components directly operatively associated and axially moved with plunger rod
    • A61M5/3158—Constructional features or modes of drive mechanisms for piston rods based on axial translation, i.e. components directly operatively associated and axially moved with plunger rod performed by axially moving actuator operated by user, e.g. an injection button
    • 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
    • A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
    • A61M2005/2026—Semi-automatic, e.g. user activated piston is assisted by additional source of energy

Definitions

  • the present invention relates to a syringe assisting device, and more particularly, to a syringe assisting device having an improved structure for smoothly performing a syringe operation with one hand and simplifying the structure.
  • a syringe In the case of a syringe, it is a device that has been used for a long time to inject a drug into the human body. Recently, with the development of an imaging device such as an ultrasonic wave, a drug can be injected by a syringe while looking directly at a lesion site.
  • an imaging device such as an ultrasonic wave
  • a syringe assisting device for a syringe which is coupled to a syringe to actuate a syringe of the syringe
  • the power transmission unit includes a power transmission unit and a switch, the switch being connected to the power transmission unit, the switch being operable from outside;
  • a pushing plate detachably coupled to the flange portion of the plunger and being connected to the power transmitting unit at a position spaced apart from the case;
  • the power transmission unit includes: a first gear unit that is connected to the switch in a power-controlled manner; A second gear unit engaged with the first gear unit; And a winding pulley coupled to both sides of the rotation shaft of the second gear unit and wound around the cable so that the cable can be wound and unwound while being rotated together with the second gear unit.
  • the power transmitting unit further includes a guide pulley for guiding movement of the cable wound around the pulley.
  • the first gear unit is capable of rotating in one direction and is not capable of rotating in the other direction and includes a rotating gear for transmitting a rotating force to the second gear unit and a locking member for determining whether the rotating gear rotates,
  • a ratchet including a member;
  • an elastic urging member which is provided on the rotary gear of the ratchet in a state of holding the elastic force and applies a rotational force to the rotary gear in a state of being released from the locking state of the locking member with respect to the rotary gear.
  • the case preferably includes an insertion slit for allowing the insertion of the outer cylinder, and a pair of hooks which are hooked to an outer surface of the outer cylinder in a state where the insertion tube is accommodated in the insertion slit.
  • the syringe assisting device having the above-described configuration includes a case provided in the outer cylinder of the syringe and a pushbutton connected to the push rod of the syringe, and the connection between the case and the pushbutton can be achieved through a cable It is possible to inject the injection liquid with one hand while the user holds the syringe, thereby enhancing the convenience of the user and improving the precision of the procedure. In addition, through the mechanical connection by the simple structure It is possible to simplify the configuration and to reduce the manufacturing cost as the product becomes feasible.
  • FIG. 1 is a perspective view of a syringe assisting device in accordance with an embodiment of the present invention
  • FIG. 2 is a perspective view showing a configuration of a power transmitting unit adopted in an embodiment of the present invention
  • FIG. 3 is an enlarged side view of a portion III in Fig. 2; Fig.
  • FIG. 4 is a plan view showing a configuration of a power transmitting unit adopted in an embodiment of the present invention.
  • FIG. 5 is a perspective view showing a state of coupling between an injector and an embodiment of the present invention.
  • FIGS. 6 and 7 are views for explaining an operation procedure of an embodiment of the present invention.
  • FIG. 1 is a perspective view of a syringe assisting device according to an embodiment of the present invention
  • FIG. 2 is a perspective view showing a configuration of a power transmitting unit employed in an embodiment of the present invention
  • FIG. 3 is an enlarged view
  • FIG. 5 is a perspective view showing a state of engagement between an injector and an embodiment of the present invention
  • FIGS. 6 and 7 show a side view of the power transmission unit according to an embodiment of the present invention.
  • FIG. 5 is a diagram illustrating an operation process of an embodiment of the present invention.
  • a syringe assisting device is coupled to the syringe A to operate the pusher of the syringe A, A presser bar 30, and a cable 20. As shown in Fig.
  • the case 10 is detachably coupled to the outer tube in which the injection liquid is received, and parts such as the power transmission unit and the switch 14 are provided. As shown in Fig. 5, such a case 10 is desirably provided at a position that does not impair the user's gripping ability with respect to the syringe A.
  • the user grasps the outer cylinder of the syringe A with the thumb and forefinger, places it on the part between the thumb and the index finger, and performs the procedure.
  • the case 10 is configured to be coupled to only the rear portion of the outer cylinder and to be supported by the thumb and the index finger portion, the syringe A And the syringe A is stably supported between the thumb and the index finger so that the operation can be performed.
  • the power transmission unit is installed inside the case 10, and transmits power that enables relative movement of the plunger to the outer cylinder.
  • the switch 14 is operatively connected to the power transmission unit in such a state that the switch 14 is exposed to the outside of the case 10 so that the power transmission unit can be operated outside the case 10. [
  • the switch 14 is located close to the thumb side of the user holding the syringe A.
  • the presser foot 30 is coupled to the plunger of the syringe A in correspondence with the case 10 being coupled to the outer cylinder of the syringe A as shown in Fig. And is powerfully connected to the power transmission unit at a position spaced from the case 10.
  • the presser bar 30 may be formed in a structure in which the flange portion of the plunger can be fitted, and may be formed in a structure that surrounds the flange portion.
  • the cable 20 is for connecting the power transmission unit of the case 10 to the press table 30.
  • the cable 20 is connected to the power transmission unit through one side of the case 10, And is connected to the presser bar 30.
  • the syringe assisting device having such a configuration includes a case 10 provided in the outer cylinder of the syringe A and a presser bar 30 connected to the plunger of the syringe A And the connection between the case 10 and the presser foot 30 can be achieved through the cable 20.
  • This allows the user to inject the injection solution with one hand while holding the syringe A, It is possible to increase the accuracy and improve the precision of the procedure, and it becomes possible to realize the product through the mechanical connection by the simple configuration, thereby making it possible to simplify the configuration and to reduce the manufacturing cost.
  • the power transmission unit may include a motor that is operated based on an electrical signal.
  • the power transmission unit be structured so as to be able to transmit mechanical power, not a motor drive system, so as to achieve miniaturization and simplification of the configuration of the product Do.
  • the power transmission unit employed in the present embodiment includes a first gear unit, a second gear unit, and a pair of winding pulleys 47, as best shown in FIGS.
  • the first gear unit is connected to the switch 14 in power, and the second gear unit is driven by the power transmitted from the first gear unit by meshing with the first gear unit.
  • Each of the winding pulleys 47 is coupled to both sides of the rotation shaft of the second gear unit and is wound together with the second gear unit by winding the cable 20 so that the cable 20 is wound and loosened .
  • the present embodiment having such a configuration is characterized in that the power connection between the switch 14 and the presser foot 30 enabling the user's operation is made by connecting the first gear unit and the second gear unit together with the winding pulley 47 and the cable 20 so that it is possible to simplify the configuration, and as a result, it is possible to expect not only a reduction in the manufacturing cost of the product but also an improvement in the mass productivity of the product.
  • the power transmission unit employed in this embodiment further includes a guide pulley 46 for guiding the movement of the cable 20 wound around the winding pulley 47 as shown in FIG. 2 .
  • the action point of the force applied to the pulley 47 and the action point of the force applied to the stick are formed on the same axis by the guide pulley 46, And a power loss can be suppressed as much as possible.
  • the first gear unit employed in the present embodiment includes a ratchet, an elastic pressing member 43, and a driving gear 44, as best shown in Fig.
  • the ratchet is rotatable in one direction and can not rotate in the other direction.
  • the ratchet is configured to determine whether the rotary gear 42 for transmitting the rotational force to the second gear unit and the rotation of the rotary gear 42 is rotated, And a locking member (16) that is connected mechanically.
  • the elastic pressing member 43 is, for example, a spring, and is provided on the rotary gear 42 of the ratchet with the elastic force retained.
  • the locking member 16 is in a locked state with respect to the rotary gear 42 And serves to apply a rotational force to the rotary gear 42 in a released state.
  • the driving gear 44 receives the rotational force of the elastic pressing member 43 and applies the rotational force to the driven gear 45 of the second gear unit.
  • the case 10 is coupled to the outer cylinder in a state in which the plunger is positioned close to the outer cylinder, and the plunger 30 is fixed to the flange portion of the plunger To the syringe (A).
  • the driven gear 45 of the second gear unit which is connected to the presser bar 30 via the cable 20, is rotated counterclockwise (clockwise)
  • the rotation gear 42 of the ratchet provided in the first gear unit is rotated clockwise along the locking member 16 together with the driving gear 44 engaged with the driven gear 45
  • the elastic pressing member 43 is coiled to have an elastic force.
  • This embodiment having such a configuration enables operation only when the switch 14 is operated and is not operated by the mechanical locking mechanism when the switch 14 is not operated, It is possible to design the structure with a remarkably simplified structure.
  • the case 10 is formed with an insertion slit 12a for allowing the insertion of the outer tube.
  • a pair of hooking portions 12 which are hooked to the outer surface, thereby facilitating detachment and attachment to the syringe A.

Abstract

La présente invention concerne un dispositif d'assistance de seringue. Le dispositif d'assistance de seringue, selon la présente invention, comprend : un boîtier disposé sur un contenant externe d'une seringue ; et une barre de pression reliée à un piston de la seringue, le boîtier et la barre de pression étant reliés par l'intermédiaire d'un câble, présentant ainsi les avantages suivants : augmentation de la commodité de l'utilisateur en permettant à un utilisateur d'administrer une injection même avec une seule main tout en tenant une seringue, et amélioration de la précision des interventions médicales ; et possibilité de mise en oeuvre du produit à l'aide d'une liaison mécanique par une configuration simple, de telle sorte que la configuration peut être simplifiée et les coûts de fabrication peuvent être réduits.
PCT/KR2017/012855 2017-08-29 2017-11-14 Dispositif d'assistance de seringue WO2019045179A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2017-0109388 2017-08-29
KR1020170109388A KR102000341B1 (ko) 2017-08-29 2017-08-29 주사기 보조 장치

Publications (1)

Publication Number Publication Date
WO2019045179A1 true WO2019045179A1 (fr) 2019-03-07

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PCT/KR2017/012855 WO2019045179A1 (fr) 2017-08-29 2017-11-14 Dispositif d'assistance de seringue

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WO (1) WO2019045179A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023129651A1 (fr) * 2021-12-29 2023-07-06 Tandem Diabetes Care, Inc. Pompes à perfusion et procédés avec mécanisme de seringue commandé par fil à mémoire de forme

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200423667Y1 (ko) * 2006-05-31 2006-08-09 양희철 채혈용 주사기 자동보조장치
CN201775841U (zh) * 2010-07-01 2011-03-30 广州市亿福迪医疗器械有限公司 芬太尼注射器
US20120172804A1 (en) * 2009-03-31 2012-07-05 Sanofi-Aventis Deutschland Gmbh Medicament delivery devices
KR20130040281A (ko) * 2011-10-14 2013-04-24 주식회사 메가젠임플란트 무통 마취기
JP5872086B1 (ja) * 2015-03-27 2016-03-01 大和製罐株式会社 薬液注入アシスト装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190135566A (ko) 2012-07-05 2019-12-06 유니트랙트 시린지 피티와이 엘티디 주입 가능한 카트리지용 자동 주입기 및 그 구동 제어 기구
KR101328443B1 (ko) 2013-05-13 2013-11-14 이상조 약물 주입장치
KR101810617B1 (ko) * 2016-07-29 2017-12-20 임승연 무동력 피스톤 가압보조장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200423667Y1 (ko) * 2006-05-31 2006-08-09 양희철 채혈용 주사기 자동보조장치
US20120172804A1 (en) * 2009-03-31 2012-07-05 Sanofi-Aventis Deutschland Gmbh Medicament delivery devices
CN201775841U (zh) * 2010-07-01 2011-03-30 广州市亿福迪医疗器械有限公司 芬太尼注射器
KR20130040281A (ko) * 2011-10-14 2013-04-24 주식회사 메가젠임플란트 무통 마취기
JP5872086B1 (ja) * 2015-03-27 2016-03-01 大和製罐株式会社 薬液注入アシスト装置

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Publication number Publication date
KR20190023512A (ko) 2019-03-08
KR102000341B1 (ko) 2019-07-15

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