WO2012121504A2 - Appareil d'injection de médicaments - Google Patents

Appareil d'injection de médicaments Download PDF

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Publication number
WO2012121504A2
WO2012121504A2 PCT/KR2012/001508 KR2012001508W WO2012121504A2 WO 2012121504 A2 WO2012121504 A2 WO 2012121504A2 KR 2012001508 W KR2012001508 W KR 2012001508W WO 2012121504 A2 WO2012121504 A2 WO 2012121504A2
Authority
WO
WIPO (PCT)
Prior art keywords
drug injection
injection device
tube
actuator
pressure
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/KR2012/001508
Other languages
English (en)
Korean (ko)
Other versions
WO2012121504A3 (fr
Inventor
박광범
양창희
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.)
Megagen Implant Co Ltd
Original Assignee
Megagen Implant Co Ltd
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 Megagen Implant Co Ltd filed Critical Megagen Implant Co Ltd
Publication of WO2012121504A2 publication Critical patent/WO2012121504A2/fr
Publication of WO2012121504A3 publication Critical patent/WO2012121504A3/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
    • A61M5/48—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 varying, regulating, indicating or limiting injection pressure
    • A61M5/482—Varying injection pressure, e.g. by varying speed of injection
    • 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
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
    • 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
    • A61M5/28—Syringe ampoules or carpules, i.e. ampoules or carpules provided with a needle
    • 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
    • A61M5/48—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 varying, regulating, indicating or limiting injection pressure
    • A61M5/484—Regulating injection pressure
    • 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
    • A61M5/48—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 varying, regulating, indicating or limiting injection pressure
    • A61M5/486—Indicating injection pressure
    • 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
    • A61M5/48—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 varying, regulating, indicating or limiting injection pressure
    • A61M5/488—Limiting injection pressure
    • 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
    • A61M2005/2403—Ampoule inserted into the ampoule holder
    • A61M2005/2407—Ampoule inserted into the ampoule holder from the rear
    • 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
    • A61M5/2455—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic with sealing means to be broken or opened
    • A61M5/2466—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic with sealing means to be broken or opened by piercing without internal pressure increase
    • A61M2005/247—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic with sealing means to be broken or opened by piercing without internal pressure increase with fixed or steady piercing means, e.g. piercing under movement of ampoule
    • 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
    • A61M5/315—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

Definitions

  • the present invention relates to a drug injection device.
  • Anesthesia is one of the most painful complaints in dental practice. In order to reduce pain during dental treatment, anesthesia is injected by anesthesia into the area to be treated. This is the most painful and fearful moment for the patient.
  • anesthesia is performed before dissecting the gum of the site to be treated.
  • Such anesthesia is to inject anesthesia into the treatment site using a syringe.
  • anesthesia injection amount per unit time increases the pressure on the affected part, causing the patient to feel pain.
  • the pain may be felt at the point where the needle is inserted due to the shaking of the surgeon.
  • an injection rate of anesthesia liquid is appropriately adjusted according to a change in pressure formed at a site to be treated, thereby minimizing pain felt by a patient.
  • the drug injection device forming the above structure has a disadvantage that the structure of the drug injection device is complicated and heavy, which is difficult because the surgeon is holding it for a long time, and that additional pain due to hand shaking may occur during the drug injection process. have.
  • the present invention has been proposed to improve the above disadvantages, to reduce the pain of the patient by allowing the drug to be injected in a quantitative, and at the same time drug injection that can minimize the load on the body of the injection device gripping the hand by the practitioner It is an object to provide a device.
  • the pressure generating unit for generating a pressure for injection injection;
  • a tube connected to the discharge end of the pressure generator;
  • a pressing member connected to the end of the tube;
  • a cartridge case connected to an end of the pressing member and into which a cartridge filled with an injection liquid is inserted;
  • an injection part detachably connected to an end portion of the cartridge case and having a needle penetrating the affected part.
  • the injection pressure can be subdivided into a smaller amount compared to a method using a gear or rack / pinion structure. Therefore, since the drug injection pressure can be finely adjusted, there is an advantage of minimizing the pain felt by the patient.
  • FIG. 1 is a perspective view showing a drug injection device according to an embodiment of the present invention.
  • FIG. 2 is an exploded perspective view of the drug injection device.
  • 3 is a cross-sectional view of the drug injection device.
  • Figure 4 is a cross-sectional view showing the operation of the drug injection device according to an embodiment of the present invention.
  • FIG. 5 is a cross-sectional view schematically showing an actuator according to another embodiment of the present invention.
  • FIG. 1 is a perspective view showing a drug injection device according to an embodiment of the present invention
  • Figure 2 is an exploded perspective view of the drug injection device
  • Figure 3 is a cross-sectional view of the drug injection device.
  • the drug injection device 10 includes a main body 11 provided with a pressure generating means and a control panel, and a tube 13 extending from the pressure generating means. And a pressurizing member 14 connected to the end of the tube 13, a cartridge 16 pressurized by the pressurizing member 14, a cartridge filled with a drug, and a cartridge case to which the cartridge 16 is mounted. 15) and an injection unit 17 connected to the end of the cartridge case 15.
  • the pressure generating means includes a pumping member 12 and an actuator 18 connected to the pumping member 12 to generate a driving force.
  • the pumping member 12 includes a pump case 121 and a pumping fluid 122 filled in the pump case 121.
  • a connection port 123 protrudes from an outlet end of the pump case 121 to be fitted to one end of the tube 13.
  • one end outer peripheral surface of the tube 13 into which the connecting port 123 is inserted Tightening devices including clamping members (not shown) can be enclosed.
  • a fastening rib 124 protrudes from the inlet end of the pump case 121 in the radial direction of the pump case 121, and the inlet end of the pump case 121 is fitted into the main body 11.
  • a rib groove 115 into which the fastening hole 114 and the fastening rib 124 are fitted may be formed.
  • a separate sealing member (not shown) is inserted into the inlet end of the pump case 121 to prevent the leakage of the pumping fluid 122.
  • the sealing member needs to be provided to be movable in close contact with the inner circumferential surface of the pump case 121 by the operation of the actuator 18.
  • a sealing member may be surrounded by an outer circumferential surface of the end portion of the actuator 18 moving in close contact with the inner circumferential surface of the pump case 121 so that the end portion of the actuator 18 serves as a piston.
  • the actuator 18 and the pumping member 12 may be provided in one module form.
  • the actuator 18 may be applied to the solenoid method. That is, the pump case 121 may include a plunger 181 movable inside, a coil 183 causing a linear reciprocating motion of the plunger 181, and a case 182 surrounding the coil 183. .
  • the plunger 181 is inserted into the center of the coil 183 to move forward or backward in the direction of the current flowing through the coil 183.
  • the moving speed of the plunger 181 is adjusted according to the amount of current supplied to the coil 183, and the magnitude of the pressure generated by the pumping member 12 is adjusted according to the moving speed of the plunger 181.
  • the sealing member may be surrounded by an outer circumferential surface of the plunger 181.
  • the pressing member 14 is connected to the other end of the tube 13.
  • the pressing member 14 includes a cylinder 141 and a push rod 142 moving inside the cylinder 141.
  • the push rod 142 is advanced or retracted by the pressure of the pumping fluid 122 moving along the tube 13.
  • the sealing member may be surrounded by an outer circumferential surface of the push rod 142 in close contact with the inner circumferential surface of the cylinder 141 to prevent the pumping fluid 122 from leaking.
  • the connection port 144 having the same shape as the connection port 123 protrudes and is inserted into the other end of the tube 13 at the inlet end of the cylinder 141.
  • the clamping member may be surrounded on the outer peripheral surface of the end of the tube 13 to which the connection port 144 is inserted.
  • the stopper 143 may protrude from the inner circumferential surface of the cylinder 141 to approach the other end thereof to limit the movement of the push rod 142.
  • the flange 145 may extend in the radial direction at the other end of the cylinder 141, that is, the opposite end of the end where the connection port 144 is formed.
  • the flange 145 may be bent in a "c" shape as shown and a groove is formed therein, such that the inlet end of the housing 151 of the cartridge case 15 to be described later may be connected.
  • the cartridge case 15, the cylindrical housing 151 is hollow to accommodate the cartridge 16, the fastening rib 153 protruding radially from the inlet end of the housing 151 and The fastening sleeve 152 further protrudes from an outlet end of the housing 151 and has a thread formed on an outer circumferential surface thereof.
  • the fastening rib 153 performs the same function as the fastening rib 124 formed on the pump case 121, and the fastening hole 114 and the rib groove formed in the main body 11 on the front surface of the flange 145. An incision having the same shape as that of 115 is formed.
  • the fastening rib 153 is first fitted into the groove of the flange 145 corresponding to the rib groove 115. In this state, the housing 151 is rotated. Then, the fastening rib 153 is inserted into the groove of the flange 145, so that the housing 151 is firmly coupled to the cylinder 141.
  • injection portion 17 is screwed to the outer circumferential surface of the fastening sleeve 152 formed at the outlet end of the housing 151.
  • the injection part 17 includes a head part 171 that is screwed to the fastening sleeve 152, and a needle 172 penetrating an end of the head part 171.
  • the cartridge 16 inserted into the housing 151 may be replaced after the drug is exhausted.
  • the cartridge 16 is inserted into a cylindrical capsule 161, a drug filled in the capsule 161, that is, an injection liquid 163, and one end of the capsule 161, and the push rod 142. It includes a piston 162 and the sealing cap 164 fitted to the other end of the capsule 161 is pushed forward by the).
  • the piston 162 and the sealing cap 164 may be made of a soft rubber material having elasticity, and may prevent the injection liquid 163 from leaking.
  • the injection liquid 163 may be an anesthetic liquid.
  • the sealing cap 164 is made of a rubber material, the needle 172 may penetrate the sealing cap 164 when the injection part 17 is coupled to the housing 151. . As soon as one end of the needle 172 penetrates the sealing cap 164, a portion of the injection liquid 163 may be ejected through the needle 172 due to the basic pressure inside the capsule 161. It can be said.
  • a control panel may be mounted on one surface of the main body 11.
  • control panel may include a power supply unit 112, an operation unit 113, and a display unit 111. Power is supplied or cut off to the main body 11 by pressing the power source 112. And, the operation unit 113, a pressure setting button for adjusting the magnitude of the pressure generated by the pressure generating means, an injection amount setting button for setting the amount of the injection liquid 163 to be injected into the treatment site, and injection start Buttons, stop dispensing buttons, and the like.
  • the display unit 111, the injection pressure set through the operation unit 113, the amount of the injection solution 163 administered to the treatment site or the amount of the injection solution 163 remaining in the capsule 161, etc. Can be displayed.
  • Figure 4 is a cross-sectional view showing the operation of the drug injection device according to an embodiment of the present invention.
  • a user that is, a practitioner, inserts a cartridge 16 containing an anesthetic liquid into the cartridge case 15.
  • the cartridge case 15 containing the cartridge 16 is coupled to the pressing member 14.
  • the injection unit 17 may be coupled to the front end of the cartridge case 15, and when the cartridge 16 is pushed to the cartridge case 15 to the end, the injection unit 17 constitutes the injection unit 17.
  • the inlet end of the needle 172 passes through the sealing cap 164 of the cartridge 16. In this state, when the cartridge case 15 is coupled to the pressing unit 14 and the actuator 18 is operated, the injection liquid 163 is discharged through the needle 172.
  • the cartridge 16 is inserted into the cartridge case 15 from which the injection unit 17 is separated, and the cartridge 16 is coupled to the pressing member 14, and then the injection unit 17 is connected to the cartridge case 15. It can also be combined.
  • the injection part 17 is coupled to the fastening sleeve 152 of the cartridge case 15, the end portion of the needle 172 gradually penetrates the sealing cap 164 and the capsule 161. Will communicate with the internal space.
  • the practitioner sticks the needle 172 into the surgical site of the patient while the cartridge case 15 is held by hand. Then, by pressing the operation unit 113 provided in the main body 11 to operate the pressure generating unit.
  • the operation unit 113 provided in the main body 11 to operate the pressure generating unit.
  • the plunger 181 moves forward to pressurize the pumping fluid 122 filled in the pumping case 121. The amount of current supplied to the actuator 18 is determined according to the injection pressure set by the practitioner, and the moving speed of the plunger 181 is determined.
  • the actuator 18 is not limited to the solenoid member and the plunger 181 may be moved in the front and rear direction by using a rack / pinion structure or a gear coupling structure.
  • an actuator structure may be formed on the outer circumferential surface of the plunger 181, and the pinion or the gear may be engaged with the gear, and the motor may be connected to the pinion or the gear to provide rotational force.
  • the pumping fluid 122 may be applicable to a gas containing air as well as a liquid in a liquid state having almost no volume change such as water.
  • the tube 13 may be a flexible tube capable of withstanding the pressure of the pumping fluid 122 generated by the pressure generating unit and simultaneously bending.
  • the pumping fluid 122 is discharged from the pump case 121 through the connection port 123.
  • the discharged pumping fluid 122 presses the rear end of the push rod 142 in the pressing member 14 along the tube 13.
  • the front end of the push rod 142 is in contact with the rear surface of the piston 162 of the cartridge 16 is a basic state.
  • the push rod 142 is pressed by the pumping fluid 122 to pressurize the piston 162 while advancing. Then, the injection solution 163 filled in the capsule 161 is injected into the affected part of the patient through the needle 172.
  • the operation of the actuator 18 is stopped.
  • the direction of the current supplied to the coil 183 is changed so that the plunger 181 retreats.
  • the pumping fluid 122 may also be moved as the plunger 181 retreats. It is reintroduced into the pump case 121. Therefore, the push rod 142 is also retracted to move toward the end where the connection port 144 of the cylinder 141 is formed.
  • the practitioner separates the needle 172 from the affected part of the patient, and the cartridge case 15 is separated from the pressing member 14. Then, the cartridge 16 inserted into the cartridge case 15 may be removed and discarded or stored.
  • the injection kit held by the practitioner that is, the components constituting the combination of the cartridge case 15 and the pressing member 14 is made of a plastic material has the advantage that the load is further reduced.
  • the injection kit includes a housing 151 constituting the cartridge case 15, the injection portion 17, a cylinder 141 and a push rod 142 constituting the pressing member 14, and The load on the cartridge 16 is all.
  • the infusion kit is made of almost plastic material, the overall load is significantly reduced compared to conventional drug infusion devices.
  • a heavy part such as a motor generating a driving force
  • the weight of the injection kit can be significantly reduced.
  • the pump case 121 constituting the pumping member 12 can be removed and connected to the discharge port of the pump attached to the existing dental chair, the price of the injection device can be reduced. There is also an advantage.
  • the actuator 18 according to the present invention when the actuator 18 according to the present invention is applied, since the moving speed of the plunger 181 is maintained uniformly if the amount of current supplied is constant, the injection liquid 163 is quantitatively injected.
  • the cartridge 16 is inserted into a member corresponding to the pump case 121 of the present invention, that is, a member connected to the actuator 18, and the injection portion 17 is formed at the end of the tube 13.
  • a member corresponding to the pump case 121 of the present invention that is, a member connected to the actuator 18, and the injection portion 17 is formed at the end of the tube 13.
  • the tube is connected to the discharge port side of the case in which the cartridge is inserted, the injection liquid 163 remains inside the tube 13, and the residual injection liquid cannot be used. It must be abandoned.
  • the present invention since the needle 172 is directly connected to the outlet side of the cartridge, there is no advantage in that no injection liquid is discarded. Furthermore, there is an advantage in that the remaining injection liquid remaining in the cartridge 16 can be reused by replacing only the injection part 17 newly.
  • FIG. 5 is a cross-sectional view schematically showing an actuator according to another embodiment of the present invention.
  • the actuator 20 includes a drive motor 21, a pinion 22 connected to a rotation shaft of the drive motor 21, and a gear 231 on one side thereof. ) Is formed to include a plunger 23 engaged with the pinion 22.

Landscapes

  • 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 porte sur un appareil d'injection de médicaments. L'appareil d'injection de médicaments comprend : une partie de génération de pression pour générer une pression pour l'injection d'une solution injectable ; un tube relié à une sortie de la partie de génération de pression ; un élément de compression relié à une extrémité du tube ; un boîtier de cartouche dans lequel une cartouche remplie de la solution injectable est introduite, le boîtier de cartouche étant relié à une extrémité de l'élément de compression ; et une partie d'injection reliée de manière détachable à une extrémité du boîtier de cartouche, la partie d'injection comprenant une aiguille introduite dans une région affectée.
PCT/KR2012/001508 2011-03-10 2012-02-28 Appareil d'injection de médicaments Ceased WO2012121504A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020110021544A KR101121082B1 (ko) 2011-03-10 2011-03-10 약물 주입 장치
KR10-2011-0021544 2011-03-10

Publications (2)

Publication Number Publication Date
WO2012121504A2 true WO2012121504A2 (fr) 2012-09-13
WO2012121504A3 WO2012121504A3 (fr) 2012-12-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2012/001508 Ceased WO2012121504A2 (fr) 2011-03-10 2012-02-28 Appareil d'injection de médicaments

Country Status (2)

Country Link
KR (1) KR101121082B1 (fr)
WO (1) WO2012121504A2 (fr)

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CN114129249A (zh) * 2021-12-01 2022-03-04 固安博健生物技术有限公司 一种辅助式骨水泥填充器械

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KR101377987B1 (ko) 2012-04-13 2014-03-24 메디허브주식회사 자동주사기
KR101575619B1 (ko) * 2013-11-07 2015-12-08 주식회사 메가젠임플란트 약물 주입 장치
KR102430181B1 (ko) * 2015-11-27 2022-08-11 (주)아모레퍼시픽 피부 시술용 약물 주입장치
KR101785902B1 (ko) 2016-08-01 2017-10-17 (주)이화바이오메딕스 약액 주입 완료 후 추가 유체의 주입이 가능한 약액주입장치
KR101876639B1 (ko) * 2016-11-10 2018-07-09 국립암센터 골전이암 보조 치료용 약물 혼합 스팀 치료장치
KR102250698B1 (ko) * 2019-05-13 2021-05-12 주식회사 필로시스 약물 주입 장치 및 방법
KR102088830B1 (ko) * 2019-12-05 2020-03-13 바즈바이오메딕(주) 무바늘 주사기
KR102165137B1 (ko) * 2020-03-06 2020-10-13 바즈바이오메딕(주) 무바늘 주사기
KR102454691B1 (ko) * 2020-11-27 2022-10-14 주식회사 젠퓨어 정량 토출 자동 피부 약물 주입장치

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CN112516409B (zh) * 2020-11-24 2022-05-10 李沁玲 一种便携式输液器、控制系统及控制方法
CN114129249A (zh) * 2021-12-01 2022-03-04 固安博健生物技术有限公司 一种辅助式骨水泥填充器械
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