WO2018066762A1 - Medical syringe - Google Patents

Medical syringe Download PDF

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Publication number
WO2018066762A1
WO2018066762A1 PCT/KR2017/000005 KR2017000005W WO2018066762A1 WO 2018066762 A1 WO2018066762 A1 WO 2018066762A1 KR 2017000005 W KR2017000005 W KR 2017000005W WO 2018066762 A1 WO2018066762 A1 WO 2018066762A1
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WO
WIPO (PCT)
Prior art keywords
rod
outer cylinder
pressing
contact
medical syringe
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Application number
PCT/KR2017/000005
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French (fr)
Korean (ko)
Inventor
권용욱
민영경
Original Assignee
인제대학교 산학협력단
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Publication of WO2018066762A1 publication Critical patent/WO2018066762A1/en

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    • 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
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms

Definitions

  • the present invention relates to a medical syringe, and more particularly, to a medical syringe with an improved structure to enable the operator to inject the injection solution more conveniently and precisely, or to suck the tissue or cells.
  • the operator inserts the finger rest of the outer cylinder between the index finger and the middle finger, and the thumb is in close contact with the rear end of the push rod, and then, after the injection needle is applied to the patient's procedure, The thumb is pressed against the needle to inject the injection into the required site.
  • an object of the present invention is to provide a medical syringe that allows the operator to inject the injection solution more precisely in a convenient manner or to accurately suck the tissue or cells Is to provide.
  • Medical syringe for achieving the above object is made of a cylindrical shape having a space to accommodate the liquid material, and comprises a push rod is connected to the outer cylinder and the rod is relatively movable to the outer cylinder
  • the rod, the rod is inserted into the inside of the outer cylinder, the rod is installed relative to the outer cylinder, one side is provided with a packing portion for sealing and the other side is provided with a contact portion to allow the finger to contact;
  • a pressurizing part which is a part to which a force for moving the rod part is applied, is disposed longer in the one direction from the other side of the rod part, and the tip end thereof is located closer to the needle side than the contact part.
  • the pressing portion includes a locking portion protruding radially outward of the outer cylinder so that the pressing by the user's thumb can be performed smoothly.
  • the outer cylinder includes a pair of guide ribs defining a movement path of the pressing unit so as to guide the movement of the pressing unit when the rod unit and the pressing unit move.
  • the rod portion and the pressing portion may be formed integrally.
  • the rod part and the pressing part are manufactured separately, and the present invention is for connecting the separately produced rod part and the pressing part, and a connecting part detachably connected to the rod part; .
  • the pressing part may include an extension part elongated in one direction, and a pinion part rotatably installed on the extension part, in contact with the outer surface of the outer cylinder, and having a gear structure formed at the part in contact with the cloud.
  • the outer cylinder may include a rack portion engaged with the pinion portion.
  • the medical syringe according to the present invention having the configuration as described above, a portion to which the injection force to inject the injection solution into the treatment site or a portion to which a suction force to suck tissue or cells is applied, and the needle needle
  • the operator can grip the outer cylinder with the fingers other than the thumb and use the thumb to press the pressure unit located close to the needle, thereby making the procedure more convenient.
  • the advantages of enabling to improve the precision of injection injection or the precision of tissue or cell aspiration are derived.
  • FIG. 1 is a view for explaining the problem of the medical syringe according to the prior art.
  • FIG. 2 is a perspective view of a medical syringe according to an embodiment of the present invention.
  • FIG. 3 is a view for explaining the operation of the embodiment of the present invention.
  • FIG. 4 is a perspective view of a medical syringe according to another embodiment of the present invention.
  • FIG. 5 is a cross-sectional view taken along the line VV of FIG. 4.
  • FIG. 6 is an exploded perspective view of a medical syringe according to another embodiment of the present invention.
  • FIG. 7 is a partial cross-sectional view of a medical syringe according to another embodiment of the present invention.
  • FIG 8 and 9 are views showing the structure of the pressing unit employed in another embodiment of the present invention, respectively.
  • FIG. 10 is an exploded perspective view of a medical syringe according to another embodiment of the present invention.
  • FIG. 11 is a cross-sectional view in a combined state of another embodiment of the present invention.
  • FIG. 2 is a perspective view of a medical syringe according to an embodiment of the present invention
  • Figure 3 is a view for explaining the operation of the embodiment of the present invention.
  • the medical syringe according to the present invention which is used to inject the injection into the treatment site or used to aspirate tissue or cells, and includes an outer cylinder 10 and a straw 20,
  • the push rod 20 In the configuration of the push rod 20 is characterized in that it comprises a rod 21 and the pressing portion (22).
  • the outer cylinder 10 generally having the same structure as the outer cylinder of the syringe, is made of a cylindrical shape, so that the liquid material can be accommodated in the inner space.
  • the outer cylinder 10 is connected to the needle (N) to be inserted into the tissue of the human body.
  • the push rod 20 is installed in the outer cylinder 10 so as to be relatively movable, and is a portion to which an external force is applied.
  • the push rod 20 is moved to the needle (N) side when the injection liquid made of a liquid material to the injection site, on the contrary to aspirate the tissue or cells of the patient inside the outer cylinder (10) In the case of retreating in the direction away from the needle (N).
  • the push rod 20 employed in the present invention is moved relative to the outer cylinder 10 so that the function for enhancing the convenience of the operator and the precision of injection or injection of tissue is exerted. It comprises a rod portion 21 that is possibly installed and a pressing portion 22 is applied to the force for moving the rod portion 21.
  • a rubber packing portion 21a is provided to seal the inside of the outer cylinder 10, and the other side is provided with a contact portion 21b for allowing a finger to contact.
  • the contact portion 21b will only be named because it is a shape in which a finger can be contacted for convenience, and in practice, most of the contact of the thumb with the thumb engaging portion 22a to be described later is performed when the operator's finger is in contact. would be very rare.
  • the contact portion 21b only allows the injection of the injection liquid by a conventional method according to the operator's choice, and the part where the operator's finger is in contact is the thumb engaging portion 22a to be described later.
  • the pressing portion 22 is a portion to which a force for moving the rod portion 21 is applied, and is disposed longer in one direction from the other side of the rod portion 21, so that the tip thereof is larger than the contact portion 21b. It is located close to the needle N side.
  • the pressing portion 22 has a structure capable of applying a force to the pusher 20 at a position relatively close to the needle N, a force for injecting the injection liquid or a force for sucking tissue or cells is applied. It becomes possible to suppress the portion to be shaken with respect to the needle (N).
  • the needle (N) and the portion to which the injection force to inject the injection solution or the portion to which the suction force is applied to aspirate tissue or cells are applied.
  • the operator can grip the outer cylinder 10 with the fingers other than the thumb and press the pressing portion 22 located close to the needle N using the thumb.
  • the pressing portion 22 includes a thumb catching portion 22a protruding radially outwardly of the outer cylinder 10, thereby more smoothly pressing the pusher 20 by the user's thumb.
  • Figure 4 is a perspective view of a medical syringe according to another embodiment of the present invention
  • Figure 5 is a V-V cross-sectional view of FIG.
  • the present embodiment is similar in configuration to most of the embodiment described above, but there is a difference in the structure of the outer cylinder (30).
  • the outer cylinder 30 employed in the present embodiment includes a pair of guide ribs 32 defining the movement path 31 of the pressing unit 40, and thus the rod unit and the pressing unit ( When the 40 moves, it is possible to precisely guide the movement of the pressing portion (40).
  • the present embodiment having such a configuration is configured to precisely guide the movement path of the pressurizing portion 40 to which the operator's force is applied, so that the reaction point caused by the operator's pressing force may occur as the action point of the force is changed. It is possible to solve the inconvenience, and thus can expect the advantages of enabling more convenient and precise procedures.
  • Figure 6 is an exploded perspective view of a medical syringe according to another embodiment of the present invention.
  • the pressing portion 52 and the rod portion 51 is made separately and connected by the connecting portion 53 It is configured to be.
  • connection part 53 may be implemented in various structures, but in this embodiment, the connection part 53 has a function of facilitating attachment and detachment between the pressing part 52 and the rod part 51 by being configured in a hook shape capable of elastic deformation. .
  • the present embodiment having such a configuration enables the maximization of functions or effects without changing the structure of a general syringe, and thus, firstly, permanently utilizes a function expansion part separately from a syringe discarded after use for a single use. It is possible to relatively reduce the burden of manufacturing costs, and secondly, it is possible to provide a better medical service by allowing the operator to perform the syringe procedure in a variety of ways.
  • FIG. 7 is a partial cross-sectional view of a medical syringe according to another embodiment of the present invention.
  • the embodiment shown in this figure comprises an extension part 62a having a configuration in which the pressing part 62 is elongated in one direction, and a pinion part 62b rotatably installed in the extension part 62a.
  • the outer cylinder 70 is configured to include a rack portion 72 engaged with the pinion portion 62b.
  • the pinion portion 62b is in contact with the outer surface of the outer cylinder 70, and a gear structure is formed at the portion in contact with the cloud.
  • This embodiment having such a configuration derives the advantage of enabling the injection of the injection liquid or the suction of tissue or cells more precisely due to the gear engagement structure between the pinion portion 62b and the rack portion 72.
  • the substance sucked by the internal pressure action can be introduced into the tissue or cells again.
  • the pinion part 62b and the rack part 72 are engaged with each other.
  • the reverse inflow phenomenon can be suppressed as much as possible, thereby significantly improving the occurrence of unexpected side effects.
  • FIG 8 and 9 are views showing the structure of the pressing unit employed in another embodiment of the present invention, respectively.
  • the pressing portion 82 employed in the embodiment shown in FIG. 8 includes a surface 82a having surface roughness so that the contact force between the operator's thumb can be increased.
  • the pressing unit 92 employed in the embodiment illustrated in FIG. 9 includes a round surface 92a formed in a shape corresponding to the bottom of the thumb so that the thumb of the operator can be seated smoothly.
  • Figure 10 is an exploded perspective view of a medical syringe according to another embodiment of the present invention
  • Figure 11 is a cross-sectional view in a combined state of another embodiment of the present invention.
  • the present embodiment is similar to the embodiment shown in Figure 6, the pressing portion 220 is made separately from the rod portion 210 and then coupled to the rod portion 210 as necessary It is configured to be used.
  • the pressurization unit 220 enables the injection of the chemical liquid using a general syringe which is not coupled to the rod unit 210 or the rod unit 210 according to the user's selection.
  • the pressurization unit 220 By coupling to the 220 to enable the injection of the chemical using the rod portion 210, it is expected that the advantage of being able to provide a variety of methods and convenience at the same time.
  • the rod portion 210 for pressurizing the chemical liquid to form a part of the general syringe, and the rod portion in a state that is easily detachable to the rod portion 210 and coupled to the rod portion 210 It comprises a pressing unit 220 for transmitting the pressing force applied from the outside to the 210.
  • the rod portion 210 is provided with a contact portion 211 to contact the user's finger when using a common syringe
  • the pressing portion 220 is connected to the pressing portion 220 and the rod portion 210
  • the connecting portion 224 is provided.
  • the connection part 224 is a pair of fitting ribs into which the contact part 211 of the rod part 210 is fitted so as to be fitted by a sliding operation between the pressing part 220 and the rod part 210. 224a).
  • the pressing unit 220 the user has a main catching portion 222 is in contact with the user's thumb, so that the user can operate the syringe more conveniently and precisely, by pressing the main catching portion 222 At least one sub between the connecting portion 224 and the separate from the main catching portion 222 so that the additional movement of the pressing portion 220 after the movement of the pressing portion 220 to some extent can be made smoothly. It is preferable to provide the coupling portion 223.

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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

The present invention relates to a medical syringe. The medical syringe according to the present invention comprises: a rod portion which has a cylinder shape with a space for accommodating a liquid material, and which consists of an outer cylinder to which a needle is connected and a plunger installed to be movable relative to the outer cylinder, wherein the plunger is inserted inside the outer cylinder, is installed to be movable relative to the outer cylinder, and has a packing portion for sealing on one side and a contact portion for allowing a finger to contact on the other side; and a pressing portion which is a portion to which a force for moving the rod portion is applied, which is disposed longitudinally in one direction on the other side of the rod portion and whose tip is located closer to the needle side than the contact portion.

Description

의료용 주사기Medical syringe
본 발명은 의료용 주사기에 관한 것으로, 더욱 상세하게는 시술자가 더욱 편리하고 정밀하게 주사액을 주입할 수 있게 하거나 조직 또는 세포를 흡인시킬 수 있도록, 구조가 개선된 의료용 주사기에 관한 것이다. The present invention relates to a medical syringe, and more particularly, to a medical syringe with an improved structure to enable the operator to inject the injection solution more conveniently and precisely, or to suck the tissue or cells.
도 1에 잘 도시된 바와 같이, 일반적으로 시술자는, 검지와 중지 사이에 외통의 손가락받침부를 끼워 놓고 엄지를 밀대의 후단부에 밀착시킨 상태에서, 환자의 시술부위에 주사 바늘을 꽃은 후, 엄지를 바늘 측으로 가압하여 주사액을 요구되는 시술 부위에 주입하게 된다. As shown in FIG. 1, in general, the operator inserts the finger rest of the outer cylinder between the index finger and the middle finger, and the thumb is in close contact with the rear end of the push rod, and then, after the injection needle is applied to the patient's procedure, The thumb is pressed against the needle to inject the injection into the required site.
그러나, 이러한 종래의 주사기(100)를 이용한 시술 방법에 의하면, 주사액을 가압하기 위한 힘이 인가되는 위치(엄지의 위치)와 바늘의 침선의 위치가 상대적으로 멀리 이격(도 1의 간격 D 참조)되어 있기 때문에, 힘이 인가되는 엄지는 물론, 손 전체가 흔들리게 됨에 따라, 정확한 시술부위에 주사를 놓을 가능성이 떨어지게 되고, 심한 경우에는 신경이나 혈관을 파손시켜 심각한 합병증을 유발하는 경우가 종종 발생되어 왔다.However, according to the conventional method using the syringe 100, the position where the force for pressurizing the injection liquid is applied (thumb position) and the needle needle position are relatively far apart (see interval D in FIG. 1). As a result of the shaking of the entire hand, as well as the applied thumb, the possibility of injecting the correct procedure is less likely, and in severe cases, nerves and blood vessels can be damaged, causing serious complications. Has been.
또한, 최근에는 목표로 하는 지점까지 초음파를 보며 바늘의 진행 정도를 파악할 수 있게 하는 시술을 많이 하게 되는데, 이 경우에도 힘이 인가되는 부분이 바늘의 침선에 대해 기울어진 상태로 주사액이 주입됨에 따라, 목표하는 조직 내에 정밀한 주사액 투입이 어렵게 되는 단점이 있었다. In addition, recently, many procedures are performed to determine the progress of the needle while watching an ultrasound to a target point. In this case, as the injection liquid is injected in a state where a force is applied to the needle needle tip However, there has been a disadvantage that it is difficult to precisely inject the injection solution into the target tissue.
따라서, 본 발명은 상기와 같은 문제점을 해결하기 위해 안출된 것으로, 본 발명의 목적은 시술자가 편리한 방법으로 더욱 정밀하게 주사액을 주입할 수 있게 하거나 조직 또는 세포를 정밀하게 흡인시킬 수 있게 하는 의료용 주사기를 제공하고자 하는 것이다. Accordingly, the present invention has been made to solve the above problems, an object of the present invention is to provide a medical syringe that allows the operator to inject the injection solution more precisely in a convenient manner or to accurately suck the tissue or cells Is to provide.
상기 목적을 달성하기 위한 본 발명에 의한 의료용 주사기는, 액상 물질이 수용될 수 있도록 공간을 가지는 통 형상으로 이루어지고, 바늘이 연결되는 외통과 상기 외통에 상대이동 가능하게 설치되는 밀대를 포함하여 이루어지되, 상기 밀대는, 상기 외통의 내부에 삽입되고, 그 외통에 상대이동 가능하게 설치되며, 일측에는 실링을 위한 패킹부가 마련되고 타측에는 손가락이 접촉될 수 있게 하는 접촉부가 마련되어 있는 로드부; 및 상기 로드부를 이동시키기 위한 힘이 인가되는 부분으로, 상기 로드부의 타측에서 일측 방향으로 길게 배치되고, 그 선단이 상기 접촉부보다 바늘 측에 가깝게 위치되는 가압부;를 포함하여 이루어지는 것을 특징으로 한다. Medical syringe according to the present invention for achieving the above object is made of a cylindrical shape having a space to accommodate the liquid material, and comprises a push rod is connected to the outer cylinder and the rod is relatively movable to the outer cylinder The rod, the rod is inserted into the inside of the outer cylinder, the rod is installed relative to the outer cylinder, one side is provided with a packing portion for sealing and the other side is provided with a contact portion to allow the finger to contact; And a pressurizing part, which is a part to which a force for moving the rod part is applied, is disposed longer in the one direction from the other side of the rod part, and the tip end thereof is located closer to the needle side than the contact part.
상기 가압부는, 사용자의 엄지에 의한 가압이 원활하게 이루어질 수 있도록, 상기 외통의 반경방향 외측으로 돌출된 걸림부;를 포함하여 이루어지는 것이 바람직하다.Preferably, the pressing portion includes a locking portion protruding radially outward of the outer cylinder so that the pressing by the user's thumb can be performed smoothly.
상기 외통은, 상기 로드부와 가압부가 이동하는 경우에 그 가압부의 이동을 안내할 수 있도록, 상기 가압부의 이동경로를 한정하는 한 쌍의 가이드리브들;을 포함하여 이루어지는 것이 바람직하다. Preferably, the outer cylinder includes a pair of guide ribs defining a movement path of the pressing unit so as to guide the movement of the pressing unit when the rod unit and the pressing unit move.
상기 로드부와 가압부는 일체로 형성될 수 있다.The rod portion and the pressing portion may be formed integrally.
상기 로드부와 가압부는 별개로 제작되고, 본 발명은, 상기 별개로 제작된 로드부와 가압부를 연결시키기 위한 것으로, 상기 로드부에 착탈 가능하게 연결되는 연결부;를 포함하여 이루어질 수 있음은 물론이다. The rod part and the pressing part are manufactured separately, and the present invention is for connecting the separately produced rod part and the pressing part, and a connecting part detachably connected to the rod part; .
상기 가압부는, 일방향으로 길게 형성된 익스텐션부와, 상기 익스텐션부에 회전가능하게 설치되고 상기 외통의 외면에 구름 접촉되며 그 구름 접촉되는 부분에 기어 구조가 형성된 피니언부를 포함하여 이루어지는 것도 가능하다. The pressing part may include an extension part elongated in one direction, and a pinion part rotatably installed on the extension part, in contact with the outer surface of the outer cylinder, and having a gear structure formed at the part in contact with the cloud.
상기 외통은, 상기 피니언부에 맞물리는 랙부를 포함하여 이루어지는 것도 가능하다. The outer cylinder may include a rack portion engaged with the pinion portion.
상술한 바와 같은 구성을 가지는 본 발명에 의한 의료용 주사기는, 주사액을 시술부위에 주입시키고자 하는 주입력이 인가되는 부분 또는 조직이나 세포를 흡인시키고자 하는 흡인력이 인가되는 부분과, 바늘의 침선이 위치되는 부분이 상대적으로 가깝게 위치됨에 따라, 시술자가 엄지를 제외한 나머지 손가락으로 외통을 파지하고 엄지를 이용하여 바늘과 가깝게 위치한 가압부를 가압할 수 있게 함으로써, 더욱 편리한 방법으로 시술을 할 수 있게 함은 물론, 주사액 주입의 정밀성 또는 조직이나 세포 흡인의 정밀성을 향상시킬 수 있게 하는 장점을 도출한다.In the medical syringe according to the present invention having the configuration as described above, a portion to which the injection force to inject the injection solution into the treatment site or a portion to which a suction force to suck tissue or cells is applied, and the needle needle As the position to be positioned is relatively close, the operator can grip the outer cylinder with the fingers other than the thumb and use the thumb to press the pressure unit located close to the needle, thereby making the procedure more convenient. Of course, the advantages of enabling to improve the precision of injection injection or the precision of tissue or cell aspiration are derived.
도 1은 종래기술에 의한 의료용 주사기의 문제점을 설명하기 위한 도면.1 is a view for explaining the problem of the medical syringe according to the prior art.
도 2는 본 발명의 일실시예에 따른 의료용 주사기의 사시도.2 is a perspective view of a medical syringe according to an embodiment of the present invention.
도 3은 본 발명 일실시예의 동작 과정을 설명하기 위한 도면.3 is a view for explaining the operation of the embodiment of the present invention.
도 4는 본 발명의 다른 실시예에 따른 의료용 주사기의 사시도.4 is a perspective view of a medical syringe according to another embodiment of the present invention.
도 5는 도 4의 Ⅴ-Ⅴ 단면도.5 is a cross-sectional view taken along the line VV of FIG. 4.
도 6은 본 발명의 또 다른 실시예에 따른 의료용 주사기의 분리 사시도.6 is an exploded perspective view of a medical syringe according to another embodiment of the present invention.
도 7은 본 발명의 또 다른 실시예에 따른 의료용 주사기의 부분 단면도.7 is a partial cross-sectional view of a medical syringe according to another embodiment of the present invention.
도 8 및 도 9는 각각 본 발명의 또 다른 실시예에 채용된 가압부의 구조를 보인 도면들.8 and 9 are views showing the structure of the pressing unit employed in another embodiment of the present invention, respectively.
도 10은 본 발명의 또 다른 실시예에 따른 의료용 주사기의 분리 사시도.10 is an exploded perspective view of a medical syringe according to another embodiment of the present invention.
도 11은 본 발명 또 다른 실시예의 결합된 상태에서의 단면도.11 is a cross-sectional view in a combined state of another embodiment of the present invention.
이하에서는 본 발명의 일실시예에 따른 의료용 주사기를 첨부된 도면을 참조하여 상세히 설명하기로 한다.Hereinafter, a medical syringe according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
도 2는 본 발명의 일실시예에 따른 의료용 주사기의 사시도이고, 도 3은 본 발명 일실시예의 동작 과정을 설명하기 위한 도면이다.2 is a perspective view of a medical syringe according to an embodiment of the present invention, Figure 3 is a view for explaining the operation of the embodiment of the present invention.
이들 도면에 도시된 바와 같이, 본 발명에 의한 의료용 주사기는, 주사액을 시술 부위에 주입하기 위하여 사용되거나 조직 또는 세포를 흡인하기 위하여 사용되는 것으로, 외통(10)과 밀대(20)를 포함하되, 상기 밀대(20)의 구성으로 로드부(21)와 가압부(22)를 포함하여 이루어진 것을 특징으로 한다. As shown in these figures, the medical syringe according to the present invention, which is used to inject the injection into the treatment site or used to aspirate tissue or cells, and includes an outer cylinder 10 and a straw 20, In the configuration of the push rod 20 is characterized in that it comprises a rod 21 and the pressing portion (22).
상기 외통(10)은, 일반적은 주사기의 외통과 동일한 구조를 가지는 것으로, 통 형상으로 이루어져서, 내측의 공간에 액상 물질이 수용될 수 있게 한다. 이러한 외통(10)에는 인체의 조직 내로 삽입될 바늘(N)이 연결된다.The outer cylinder 10, generally having the same structure as the outer cylinder of the syringe, is made of a cylindrical shape, so that the liquid material can be accommodated in the inner space. The outer cylinder 10 is connected to the needle (N) to be inserted into the tissue of the human body.
상기 밀대(20)는, 상기 외통(10)에 상대이동 가능하게 설치되고, 외부의 힘이 인가되는 부분이다. 이러한 밀대(20)는, 액상 물질로 이루어진 주사액을 시술부위에 투입하고자 하는 경우에 상기 바늘(N) 측으로 접근 이동하게 되고, 이와는 반대로 상기 외통(10) 내부에 환자의 조직 또는 세포를 흡인시키고자 하는 경우에는 상기 바늘(N)에서 멀어지는 방향으로 후퇴 이동하게 된다. The push rod 20 is installed in the outer cylinder 10 so as to be relatively movable, and is a portion to which an external force is applied. The push rod 20 is moved to the needle (N) side when the injection liquid made of a liquid material to the injection site, on the contrary to aspirate the tissue or cells of the patient inside the outer cylinder (10) In the case of retreating in the direction away from the needle (N).
이러한 밀대(20)의 본래의 기능에 더하여 시술자의 편리성과 주사액 투입 또는 조직 흡인의 정밀성을 높이기 위한 기능이 발휘되도록, 본 발명에 채용된 상기 밀대(20)는, 상기 외통(10)에 상대이동 가능하게 설치되는 로드부(21)와 상기 로드부(21)를 이동시키기 위한 힘이 인가되는 가압부(22)를 포함하여 이루어진다.In addition to the original function of the push rod 20, the push rod 20 employed in the present invention is moved relative to the outer cylinder 10 so that the function for enhancing the convenience of the operator and the precision of injection or injection of tissue is exerted. It comprises a rod portion 21 that is possibly installed and a pressing portion 22 is applied to the force for moving the rod portion 21.
상기 로드부(21)의 일측에는, 상기 외통(10)의 내측을 밀폐시킬 수 있도록, 고무 재질의 패킹부(21a)가 마련되고, 타측에는 손가락이 접촉될 수 있게 하는 접촉부(21b)가 마련되어 있다. One side of the rod portion 21, a rubber packing portion 21a is provided to seal the inside of the outer cylinder 10, and the other side is provided with a contact portion 21b for allowing a finger to contact. have.
여기서, 상기 접촉부(21b)는 편의상 손가락이 접촉될 수 있는 형상이기 때문에 명명할 것일 뿐, 실제로는 후술할 엄지 걸림부(22a)에 엄지를 접촉시키는 경우가 대부분이어서 시술자의 손가락이 접촉되는 경우는 매우 드물다 할 것이다. Here, the contact portion 21b will only be named because it is a shape in which a finger can be contacted for convenience, and in practice, most of the contact of the thumb with the thumb engaging portion 22a to be described later is performed when the operator's finger is in contact. Would be very rare.
따라서, 상기 접촉부(21b)는, 시술자의 선택에 따라 종래 방법에 의하여 주사액을 주입할 수 있게 하는 것일 뿐, 실제적으로 시술자의 손가락이 접촉되는 부분은 후술할 엄지 걸림부(22a)이다.Therefore, the contact portion 21b only allows the injection of the injection liquid by a conventional method according to the operator's choice, and the part where the operator's finger is in contact is the thumb engaging portion 22a to be described later.
상기 가압부(22)는, 상기 로드부(21)를 이동시키기 위한 힘이 인가되는 부분으로, 상기 로드부(21)의 타측에서 일측 방향으로 길게 배치됨으로써, 그 선단이 상기 접촉부(21b)보다 바늘(N) 측에 가깝게 위치된다. The pressing portion 22 is a portion to which a force for moving the rod portion 21 is applied, and is disposed longer in one direction from the other side of the rod portion 21, so that the tip thereof is larger than the contact portion 21b. It is located close to the needle N side.
이러한 가압부(22)는, 상대적으로 바늘(N)과 가까운 위치에서 상기 밀대(20)에 힘을 가할 수 있는 구조를 가짐으로써, 주사액을 주입하기 위한 힘 또는 조직이나 세포를 흡인시키는 힘이 인가되는 부분이 바늘(N)에 대해 흔들리는 것을 억제시킬 수 있게 한다.Since the pressing portion 22 has a structure capable of applying a force to the pusher 20 at a position relatively close to the needle N, a force for injecting the injection liquid or a force for sucking tissue or cells is applied. It becomes possible to suppress the portion to be shaken with respect to the needle (N).
상술한 바와 같은 구성을 가지는 본 발명에 의한 의료용 주사기는, 주사액을 시술부위에 주입시키고자 하는 주입력이 인가되는 부분 또는 조직이나 세포를 흡인시키고자 하는 흡인력이 인가되는 부분과 바늘(N)의 침선이 위치되는 부분이, 상대적으로 가깝게 위치됨에 따라, 시술자가 엄지를 제외한 나머지 손가락으로 외통(10)을 파지하고 엄지를 이용하여 바늘(N)과 가깝게 위치한 가압부(22)를 가압할 수 있게 함으로써, 더욱 편리한 방법으로 시술을 할 수 있게 함은 물론, 주사액 주입의 정밀성 또는 조직이나 세포 흡인의 정밀성을 향상시킬 수 있게 하는 장점을 도출한다.In the medical syringe according to the present invention having the above-described configuration, the needle (N) and the portion to which the injection force to inject the injection solution or the portion to which the suction force is applied to aspirate tissue or cells are applied. As the portion where the needle line is located is relatively close, the operator can grip the outer cylinder 10 with the fingers other than the thumb and press the pressing portion 22 located close to the needle N using the thumb. By doing so, the procedure can be performed in a more convenient manner, and the advantages of improving the precision of injection injection or the precision of tissue or cell aspiration can be derived.
본 실시예에서 상기 가압부(22)는, 상기 외통(10)의 반경방향 외측으로 돌출된 엄지 걸림부(22a)를 포함하여 이루어져서, 사용자의 엄지에 의한 밀대(20)의 가압을 더욱 원활하게 수행할 수 있게 한다.이상, 본 발명의 일실시예에 따른 의료용 주사기를 설명하였다. 이하에서는 도 4 및 도 5를 참조하여 본 발명의 다른 실시예에 따른 의료용 주사기를 설명하기로 한다.In the present embodiment, the pressing portion 22 includes a thumb catching portion 22a protruding radially outwardly of the outer cylinder 10, thereby more smoothly pressing the pusher 20 by the user's thumb. The medical syringe according to an embodiment of the present invention has been described above. Hereinafter, a medical syringe according to another embodiment of the present invention will be described with reference to FIGS. 4 and 5.
도 4는 본 발명의 다른 실시예에 따른 의료용 주사기의 사시도이고, 도 5는 도 4의 Ⅴ-Ⅴ 단면도이다.Figure 4 is a perspective view of a medical syringe according to another embodiment of the present invention, Figure 5 is a V-V cross-sectional view of FIG.
이들 도면에 도시된 바와 같이, 본 실시예는, 앞에서 설명한 실시예와 대부분의 구성이 유사하나, 외통(30)의 구조에 있어서 차이점이 있다.As shown in these figures, the present embodiment is similar in configuration to most of the embodiment described above, but there is a difference in the structure of the outer cylinder (30).
즉, 본 실시예에 채용된 외통(30)은, 상기 가압부(40)의 이동경로(31)를 한정하는 한 쌍의 가이드리브(32)들을 포함하여 이루어져셔, 상기 로드부와 가압부(40)가 이동하는 경우에 그 가압부(40)의 이동을 정밀하게 안내할 수 있게 한다.That is, the outer cylinder 30 employed in the present embodiment includes a pair of guide ribs 32 defining the movement path 31 of the pressing unit 40, and thus the rod unit and the pressing unit ( When the 40 moves, it is possible to precisely guide the movement of the pressing portion (40).
이러한 구성을 가지는 본 실시예는, 시술자의 힘이 인가되는 가압부(40)의 이동경로를 정밀하게 가이드할 수 있도록 구성됨으로써, 시술자의 가압력에 의한 반력 에 의하여, 힘의 작용점이 변화됨에 따라 발생할 수 있는 불편함을 해소할 수 있게 하고, 이에 따라 더욱 편리하고 정밀한 시술을 가능하게 하는 장점을 기대할 수 있게 한다.The present embodiment having such a configuration is configured to precisely guide the movement path of the pressurizing portion 40 to which the operator's force is applied, so that the reaction point caused by the operator's pressing force may occur as the action point of the force is changed. It is possible to solve the inconvenience, and thus can expect the advantages of enabling more convenient and precise procedures.
한편, 도 6은 본 발명의 또 다른 실시예에 따른 의료용 주사기의 분리 사시도이다.On the other hand, Figure 6 is an exploded perspective view of a medical syringe according to another embodiment of the present invention.
이 도면에 도시된 실시예는, 앞에서 설명한 실시예에서 가압부와 로드부가 일체로 형성되는 것과는 달리, 가압부(52)와 로드부(51)가 별개로 제작된 후 연결부(53)에 의해 연결되도록 구성되어 있다.In the embodiment shown in this figure, unlike the pressing portion and the rod portion is formed integrally in the above-described embodiment, the pressing portion 52 and the rod portion 51 is made separately and connected by the connecting portion 53 It is configured to be.
상기 연결부(53)는, 다양한 구조로 구현될 수 있으나, 본 실시예에서는 탄성 변형이 가능한 후크 형태로 구성됨으로써 상기 가압부(52)와 로드부(51) 간의 탈부착을 용이하게 하는 기능을 발휘한다.The connection part 53 may be implemented in various structures, but in this embodiment, the connection part 53 has a function of facilitating attachment and detachment between the pressing part 52 and the rod part 51 by being configured in a hook shape capable of elastic deformation. .
이러한 구성을 가지는 본 실시예는, 일반적인 주사기의 구조를 변경함이 없이 기능 또는 효과의 극대화를 가능하게 함에 따라, 첫째, 일회용으로 사용 후 버려지는 주사기와는 별개로 기능 확장용 부품을 영구적으로 활용할 수 있도록 하여 제조원가의 부담을 상대적으로 덜을 수 있게 하고, 둘째, 시술자가 다양한 방법으로 주사기 시술을 할 수 있도록 하여 더 나은 의료 서비스 제공을 가능하게 한다.The present embodiment having such a configuration enables the maximization of functions or effects without changing the structure of a general syringe, and thus, firstly, permanently utilizes a function expansion part separately from a syringe discarded after use for a single use. It is possible to relatively reduce the burden of manufacturing costs, and secondly, it is possible to provide a better medical service by allowing the operator to perform the syringe procedure in a variety of ways.
도 7은 본 발명의 또 다른 실시예에 따른 의료용 주사기의 부분 단면도이다.7 is a partial cross-sectional view of a medical syringe according to another embodiment of the present invention.
이 도면에 도시된 실시예는, 가압부(62)의 구성이 일방향으로 길게 형성된 익스텐션부(62a)와, 상기 익스텐션부(62a)에 회전 가능하게 설치되는 피니언부(62b)를 포함하여 이루어지고, 외통(70)이 상기 피니언부(62b)에 맞물리는 랙부(72)를 포함하여 이루어지도록 구성되어 있다.The embodiment shown in this figure comprises an extension part 62a having a configuration in which the pressing part 62 is elongated in one direction, and a pinion part 62b rotatably installed in the extension part 62a. The outer cylinder 70 is configured to include a rack portion 72 engaged with the pinion portion 62b.
상기 피니언부(62b)는, 상기 외통(70)의 외면에 구름 접촉되며 그 구름 접촉되는 부분에 기어 구조가 형성되어 있다.The pinion portion 62b is in contact with the outer surface of the outer cylinder 70, and a gear structure is formed at the portion in contact with the cloud.
이러한 구성을 가지는 본 실시예는, 상기 피니언부(62b)와 랙부(72) 간의 기어 맞물림 구조에 기인하여 주사액의 주입 또는 조직이나 세포의 흡인을 더욱 정밀하게 수행할 수 있게 하는 장점을 도출한다.This embodiment having such a configuration derives the advantage of enabling the injection of the injection liquid or the suction of tissue or cells more precisely due to the gear engagement structure between the pinion portion 62b and the rack portion 72.
특히, 조직이나 세포를 흡인하고자 하는 경우에는 내부 압력 작용에 의해 흡인된 물질이 재차 조직이나 세포 내로 유입될 수 있게 되는데, 본 실시예에 의하면 상기 피니언부(62b)와 랙부(72)가 서로 맞물려 있기 때문에, 이러한 역유입 현상을 최대한 억제시킬 수 있게 됨에 따라 예기치 못한 부작용이 발생하는 것을 현저히 개선시킬 수 있게 된다. In particular, when the tissue or cells are to be sucked, the substance sucked by the internal pressure action can be introduced into the tissue or cells again. According to this embodiment, the pinion part 62b and the rack part 72 are engaged with each other. As a result, the reverse inflow phenomenon can be suppressed as much as possible, thereby significantly improving the occurrence of unexpected side effects.
도 8 및 도 9는, 각각 본 발명의 또 다른 실시예에 채용된 가압부의 구조를 보인 도면들이다.8 and 9 are views showing the structure of the pressing unit employed in another embodiment of the present invention, respectively.
도 8에 도시된 실시예에 채용된 가압부(82)는, 시술자의 엄지 간의 접촉력이 크게 될 수 있도록, 표면 거칠기를 가진 면(82a)을 포함하여 이루어진다.The pressing portion 82 employed in the embodiment shown in FIG. 8 includes a surface 82a having surface roughness so that the contact force between the operator's thumb can be increased.
그리고, 도 9에 도시된 실시예에 채용된 가압부(92)는, 시술자의 엄지가 원활하게 안착될 수 있도록, 엄지의 바닥과 대응되는 형상으로 형성된 라운드면(92a)을 포함하여 이루어진다.In addition, the pressing unit 92 employed in the embodiment illustrated in FIG. 9 includes a round surface 92a formed in a shape corresponding to the bottom of the thumb so that the thumb of the operator can be seated smoothly.
이러한 실시예들은, 시술자의 엄지에 의한 가압부(82)(92)의 작동을 수월하게 수행할 수 있도록 하여, 사용자 편리성을 더욱 개선시킬 수 있는 장점을 도출한다. These embodiments, it is possible to easily perform the operation of the pressing portion 82, 92 by the operator's thumb, leading to the advantage that can further improve the user convenience.
도 10은 본 발명의 또 다른 실시예에 따른 의료용 주사기의 분리 사시도이고, 도 11은 본 발명 또 다른 실시예의 결합된 상태에서의 단면도이다.Figure 10 is an exploded perspective view of a medical syringe according to another embodiment of the present invention, Figure 11 is a cross-sectional view in a combined state of another embodiment of the present invention.
이들 도면에 도시된 바와 같이, 본 실시예는 도 6에 도시된 실시예와 마찬가지로, 가압부(220)가 로드부(210)와는 별개로 제작된 후 그 로드부(210)에 필요에 따라 결합되어 사용될 수 있도록 구성되었다. As shown in these figures, the present embodiment is similar to the embodiment shown in Figure 6, the pressing portion 220 is made separately from the rod portion 210 and then coupled to the rod portion 210 as necessary It is configured to be used.
즉, 본 실시예에 의하면, 상기 가압부(220)가 로드부(210)에 결합되어 있지 않은 일반적인 주사기를 이용한 약액 투입을 가능하게 하거나 사용자의 선택에 따라 상기 로드부(210)를 가압부(220)에 결합시켜서 그 로드부(210)를 이용한 약액 투입을 가능하게 함에 따라, 사용방법의 다양성과 편리함을 동시에 제공할 수 있게 하는 장점이 기대된다. That is, according to the present embodiment, the pressurization unit 220 enables the injection of the chemical liquid using a general syringe which is not coupled to the rod unit 210 or the rod unit 210 according to the user's selection. By coupling to the 220 to enable the injection of the chemical using the rod portion 210, it is expected that the advantage of being able to provide a variety of methods and convenience at the same time.
이러한 장점을 도출하기 위한 본 실시예의 구체적인 구성에 대해 설명하면 아래와 같다.Referring to the specific configuration of the present embodiment for deriving these advantages as follows.
본 실시예는, 일반적인 주사기의 일부 구성을 이루는 것으로 약액을 가압시키기 위한 로드부(210)와, 상기 로드부(210)에 탈부착 용이하게 결합되고 그 로드부(210)에 결합된 상태에서 로드부(210)에 외부로부터 인가된 가압력을 전달하여 주는 가압부(220)를 포함하여 이루어진다. In this embodiment, the rod portion 210 for pressurizing the chemical liquid to form a part of the general syringe, and the rod portion in a state that is easily detachable to the rod portion 210 and coupled to the rod portion 210 It comprises a pressing unit 220 for transmitting the pressing force applied from the outside to the 210.
그리고, 상기 로드부(210)에는 일반적인 주사기의 사용시 사용자의 손가락이 접촉되는 접촉부(211)가 마련되어 있고, 상기 가압부(220)에는 그 가압부(220)와 로드부(210)를 연결시켜 주기 위한 연결부(224)가 마련되어 있다. 상기 연결부(224)는, 상기 가압부(220)와 로드부(210) 간의 슬라이딩 동작에 의한 끼움 결합이 가능하도록, 상기 로드부(210)의 접촉부(211)가 끼워지는 한 쌍의 끼움리브(224a)들을 포함하여 이루어진다.In addition, the rod portion 210 is provided with a contact portion 211 to contact the user's finger when using a common syringe, the pressing portion 220 is connected to the pressing portion 220 and the rod portion 210 The connecting portion 224 is provided. The connection part 224 is a pair of fitting ribs into which the contact part 211 of the rod part 210 is fitted so as to be fitted by a sliding operation between the pressing part 220 and the rod part 210. 224a).
또한, 상기 가압부(220)는, 사용자가 주사기를 더욱 편리하고 정교하게 조작할 수 있도록, 사용자의 엄지가 접촉되는 메인 걸림부(222)를 구비하고, 상기 메인 걸림부(222)를 가압하여 상기 가압부(220)를 어느 정도 이동시킨 후 가압부(220)의 추가적인 이동이 원활하게 이루어질 수 있도록, 상기 메인 걸림부(222)와는 별개로 상기 연결부(224)와 사이사이에 적어도 하나의 서브 결합부(223)를 구비하는 것이 바람직하다.In addition, the pressing unit 220, the user has a main catching portion 222 is in contact with the user's thumb, so that the user can operate the syringe more conveniently and precisely, by pressing the main catching portion 222 At least one sub between the connecting portion 224 and the separate from the main catching portion 222 so that the additional movement of the pressing portion 220 after the movement of the pressing portion 220 to some extent can be made smoothly. It is preferable to provide the coupling portion 223.
이상, 본 발명에 대한 바람직한 실시예들을 설명하였으나, 본 발명은 위에서 설명된 실시예들에 한정되지 않고 청구범위에 기재된 바에 의해 정의되며 본 발명 속하는 기술분야에서 다양한 변형과 개작을 할 수 있음은 자명하다. As mentioned above, although preferred embodiments of the present invention have been described, the present invention is not limited to the above-described embodiments but is defined by the claims, and it is obvious that various modifications and adaptations can be made in the technical field to which the present invention pertains. Do.

Claims (6)

  1. 액상 물질이 수용될 수 있도록 공간을 가지는 통 형상으로 이루어지고, 바늘이 연결되는 외통과 상기 외통에 상대이동 가능하게 설치되는 밀대를 포함하여 이루어지되,It is made of a cylindrical shape having a space to accommodate the liquid material, including a push rod is connected to the needle and the push rod is installed to move relative to the outer cylinder,
    상기 밀대는, The push rod,
    상기 외통의 내부에 삽입되고, 그 외통에 상대이동 가능하게 설치되며, 일측에는 실링을 위한 패킹부가 마련되고 타측에는 손가락이 접촉될 수 있게 하는 접촉부가 마련되어 있는 로드부; 및A rod part inserted into the outer cylinder and installed on the outer cylinder so as to be movable relative to the outer cylinder, and having a packing part for sealing on one side and a contact part for allowing a finger to contact the other side; And
    상기 로드부를 이동시키기 위한 힘이 인가되는 부분으로, 상기 로드부의 타측에서 일측 방향으로 길게 배치되고, 그 선단이 상기 접촉부보다 바늘 측에 가깝게 위치되는 가압부;를 포함하여 이루어지는 것을 특징으로 하는 의료용 주사기.A medical syringe, comprising: a pressing portion for applying a force for moving the rod portion, the rod portion being disposed longer in the one direction from the other side of the rod portion, and having a tip end closer to the needle side than the contact portion. .
  2. 제1항에 있어서,The method of claim 1,
    상기 가압부는, 사용자의 엄지에 의한 가압이 원활하게 이루어질 수 있도록, 상기 외통의 반경방향 외측으로 돌출된 걸림부;를 포함하여 이루어지는 것을 특징으로 하는 의료용 주사기.The pressurizing portion, the medical syringe, characterized in that it comprises a; engaging portion protruding radially outward of the outer cylinder so that the pressure by the user's thumb can be made smoothly.
  3. 제1항에 있어서,The method of claim 1,
    상기 외통은,The outer cylinder,
    상기 로드부와 가압부가 이동하는 경우에 그 가압부의 이동을 안내할 수 있도록, 상기 가압부의 이동경로를 한정하는 한 쌍의 가이드리브들;을 포함하여 이루어지는 것을 특징으로 하는 의료용 주사기.And a pair of guide ribs defining a movement path of the pressing unit so that the rod unit and the pressing unit move to guide the movement of the pressing unit.
  4. 제1항에 있어서,The method of claim 1,
    상기 로드부와 가압부는 일체로 형성되는 것을 특징으로 하는 의료용 주사기.Medical rod, characterized in that the rod portion and the pressing portion is formed integrally.
  5. 제1항에 있어서,The method of claim 1,
    상기 로드부와 가압부는 별개로 제작되고,The rod portion and the pressing portion are manufactured separately,
    상기 별개로 제작된 로드부와 가압부를 연결시키기 위한 것으로, 상기 로드부에 착탈 가능하게 연결되는 연결부;를 포함하여 이루어지는 것을 특징으로 하는 의료용 주사기.A medical syringe comprising: a connecting portion for connecting the separately produced rod portion and the pressing portion, the connecting portion detachably connected to the rod portion.
  6. 제5항에 있어서,The method of claim 5,
    상기 가압부는, 일방향으로 길게 형성된 익스텐션부와, 상기 익스텐션부에 회전가능하게 설치되고 상기 외통의 외면에 구름 접촉되며 그 구름 접촉되는 부분에 기어 구조가 형성된 피니언부를 포함하고,The pressing part includes an extension part elongated in one direction, and a pinion part rotatably installed on the extension part, and in contact with the outer surface of the outer cylinder, and having a gear structure formed at the contact part thereof.
    상기 외통은, 상기 피니언부에 맞물리는 랙부를 포함하여 이루어지는 것을 특징으로 하는 의료용 주사기.The outer cylinder is a medical syringe, characterized in that it comprises a rack portion engaged with the pinion portion.
PCT/KR2017/000005 2016-10-07 2017-01-02 Medical syringe WO2018066762A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20160129494 2016-10-07
KR10-2016-0129494 2016-10-07

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0880350A (en) * 1994-09-13 1996-03-26 Iwane Ishida Adapter for syringe and syringe
KR20110096472A (en) * 2010-02-22 2011-08-30 이희영 Pressure generation device combined with syringe and manometer
KR20120015829A (en) * 2010-08-13 2012-02-22 조중범 Syringe capable of blood collection and medicines collection/injection with one hand and syringe assisting tool therefor
KR101143929B1 (en) * 2011-06-16 2012-05-11 황종문 Syringe
KR20160094037A (en) * 2015-01-30 2016-08-09 권은미 Assembly type Pallet

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0880350A (en) * 1994-09-13 1996-03-26 Iwane Ishida Adapter for syringe and syringe
KR20110096472A (en) * 2010-02-22 2011-08-30 이희영 Pressure generation device combined with syringe and manometer
KR20120015829A (en) * 2010-08-13 2012-02-22 조중범 Syringe capable of blood collection and medicines collection/injection with one hand and syringe assisting tool therefor
KR101143929B1 (en) * 2011-06-16 2012-05-11 황종문 Syringe
KR20160094037A (en) * 2015-01-30 2016-08-09 권은미 Assembly type Pallet

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