KR20220145170A - Cover and medicine injector equipped with it - Google Patents

Cover and medicine injector equipped with it Download PDF

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Publication number
KR20220145170A
KR20220145170A KR1020210051907A KR20210051907A KR20220145170A KR 20220145170 A KR20220145170 A KR 20220145170A KR 1020210051907 A KR1020210051907 A KR 1020210051907A KR 20210051907 A KR20210051907 A KR 20210051907A KR 20220145170 A KR20220145170 A KR 20220145170A
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KR
South Korea
Prior art keywords
luer lock
cover
hole
connector fitting
injector
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KR1020210051907A
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Korean (ko)
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강수웅
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(주)픽스앤케어
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Priority to KR1020210051907A priority Critical patent/KR20220145170A/en
Publication of KR20220145170A publication Critical patent/KR20220145170A/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
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
    • 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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/10—Tube connectors; Tube couplings
    • 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
    • A61M5/162—Needle sets, i.e. connections by puncture between reservoir and tube ; Connections between reservoir and tube
    • 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
    • A61M5/36—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 with means for eliminating or preventing injection or infusion of air into body
    • A61M5/365—Air detectors
    • 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
    • A61M5/36—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 with means for eliminating or preventing injection or infusion of air into body
    • A61M5/38—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 with means for eliminating or preventing injection or infusion of air into body using hydrophilic or hydrophobic filters
    • 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
    • A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
    • A61M2005/1586—Holding accessories for holding infusion needles on the body
    • 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
    • A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
    • A61M2005/1587—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body suitable for being connected to an infusion line after insertion into a patient
    • 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
    • A61M5/162—Needle sets, i.e. connections by puncture between reservoir and tube ; Connections between reservoir and tube
    • A61M2005/1623—Details of air intake
    • 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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/10—Tube connectors; Tube couplings
    • A61M2039/1083—Tube connectors; Tube couplings having a plurality of female connectors, e.g. Luer connectors

Abstract

The present invention relates to a medicine injector and, specifically, to a cover and a medicine injector having the same, in which an air vent cover can be easily and detachably installed on a side to be connected to a luer lock of an injection needle on a patient's arm side, and fluid injection to the patient is easy by allowing air to be drained. The cover (1000) of the present invention comprises: a medicine moving through hole (1100) in which a luer lock fastening part (112) of a luer lock connector (100) having one end connected to an infusion tube (10) and the other end fastened to a luer lock part of a syringe is accommodated for a certain length, through which an axially protruding luer lock shaft central part (111) can be inserted, and which is formed coaxially with the luer lock shaft central part of the luer lock connector such that medicine and air can move in a direction connected to the syringe; a connector fitting hole (1200) which is enlarged at one end of the medicine moving through hole to be inserted into the luer lock shaft central part; a filter receiving groove (1300) which is formed by being enlarged at the other end of the medicine moving through hole; a luer lock fastening part receiving groove (1400) in which an outer circumferential surface (112a) of the luer lock fastening part and a female screw part (112b) of the luer lock fastening part are accommodated at a predetermined length at a position enlarged at the connector fitting hole; a connector fitting boss part (1500) which protrudes a certain length between the connector fitting hole and the luer lock fastening part receiving groove to be inserted into a female screw part of the luer lock connector; and a vent filter (1600) for air removal which is inserted and mounted in the filter receiving groove.

Description

커버와 이를 구비한 의약품주입기{Cover and medicine injector equipped with it}Cover and medicine injector equipped with it

본 발명은 커버와 이를 구비한 의약품주입기에 관한 것으로, 더욱 상세하게는 환자의 팔 쪽 주사바늘의 루어락에 연결하도록 된 쪽에 공기빼기용 커버를 용이하게 착탈가능하게 설치할 수 있을 뿐만 아니라, 공기빼기가 되도록 하여 환자에게 수액을 주사하기 용이하도록 된 커버와 이를 구비한 의약품주입기에 관한 것이다.The present invention relates to a cover and a drug injector having the same, and more particularly, it is possible to easily and detachably install a cover for venting air on the side to be connected to the luer lock of an injection needle on the arm side of a patient, as well as to bleed air. It relates to a cover that makes it easy to inject an infusion to a patient and a medicine injector having the same.

일반적으로 수액(輸液, infusion solution)이라 함은 인체에 비경구적(非經口的)으로 수분과 전해질의 혼합물, 탄수화물, 아미노산액, 포도당액, 적혈구 부유액 등과 같은 인공용액을 공급하는 치료방법 또는 그 인공용액을 말한다.In general, infusion solution is a treatment method or its method of parenterally supplying an artificial solution such as a mixture of water and electrolyte, carbohydrate, amino acid solution, glucose solution, and red blood cell suspension to the human body. artificial solution.

여기서 수액을 인체에 투여하기 위한 기구는, 수액을 저장하고 있는 수액용기와, 상기 수액을 인출하여 인체로 안내하는 수액세트를 사용한다. 이때, 상기 수액세트는 통상적으로 상기 수액용기에서 인출한 수액을 잠시 저장하는 점적통과, 상기 점적통의 하단에 연결되는 수액튜브, 상기 수액튜브를 통과하는 수액의 유량을 조절하는 유량조절기, 인체에 삽입되는 바늘이 형성된 주사기와 그 연결관(의약품주입기), 그리고 상기 수액튜브에 다른 약물을 투입하기 위한 분기관 등으로 구성된다.Here, as a device for administering the infusion to the human body, an infusion container storing the infusion and an infusion set for drawing the infusion and guiding it to the human body are used. At this time, the infusion set is typically a drip passage for temporarily storing the infusion fluid drawn from the infusion container, an infusion tube connected to the lower end of the infusion tube, a flow rate regulator for controlling the flow rate of the infusion fluid passing through the infusion tube, to the human body It is composed of a syringe having a needle to be inserted, a connecting pipe (medicine injector), and a branch pipe for injecting other drugs into the infusion tube.

상기 주사기는 루어락의 형태로 연결관인 의약품주입기와 연결하여 약액을 주입하게 되는데, 먼저 주사기를 환자의 몸에 주사한 상태에서 연결관을 체결하게 되는바, 이때 상기 주사기의 선단을 환자의 몸에 적정한 압력으로 누른 상태에서 연결관을 체결하게 되는바, 한 손은 주사기를 누르고 다른 한 손은 수액튜브와 연결된 연결관을 잡고 주사기를 체결하기 위해 연결관의 선단에 체결된 커버를 분리해야 하는바 남는 손이 없어서 커버의 분리가 매우 곤란한 문제점이 있었다.The syringe is connected to a drug injector, which is a connector, in the form of a luer lock to inject the drug. First, the syringe is injected into the patient's body and the connector is fastened to the connecting tube. At this time, the tip of the syringe is placed on the patient's body. The connecting tube is tightened while pressing with an appropriate pressure. One hand presses the syringe and the other hand holds the connecting tube connected to the infusion tube. In order to fasten the syringe, the cover attached to the end of the connecting tube must be removed. There was a problem in that it was very difficult to separate the cover because there was no remaining hand.

참조문헌: 대한민국 등록특허 제10-2041969호 발명의 명칭 "의료용 수액세트".References: Republic of Korea Patent Registration No. 10-2041969, titled "Medical Infusion Set".

본 발명은 상기와 같은 제반 요구사항들을 해소하기 위해 안출된 것으로, 환자의 팔 쪽 주사바늘의 루어락에 연결하도록 된 쪽에 공기빼기용 커버를 용이하게 착탈가능하게 설치할 수 있을 뿐만 아니라, 공기빼기가 되도록 하여 환자에게 수액을 주사하기 용이하도록 된 커버와 이를 구비한 의약품주입기를 제공함에 그 목적이 있다.The present invention has been devised to solve the above requirements, and not only can the air evacuation cover be easily and detachably installed on the side to be connected to the luer lock of the patient's arm side needle, but also air bleed is possible. An object of the present invention is to provide a cover for easy injection of an infusion to a patient and a drug injector having the same.

상기와 같은 목적을 달성하기 위한 본 발명에 의한 의약품주입기용 커버는, 일단은 수액튜브와 선택적으로 연결됨과 더불어 타단은 주사기의 루어락 부분에 체결되는 연결관인 의약품주입기의 루어락체결부가 일정길이 수용되는 한편, 축 중심으로 돌출된 루어락축중심부를 끼울 수 있도록 구성되되, 상기 커버는, 상기 의약품주입기의 루어락축중심부와 동축상으로 관통형성되어 약액과 공기가 주사기와 연결되는 방향으로 이동할 수 있도록 된 약액이동관통구멍과, 상기 약액이동관통구멍의 일단에서 확경되어 일정길이로 형성되어 의약품주입기의 루어락축중심부에 끼울 수 있도록 된 커넥터끼움구멍과, 상기 약액이동관통구멍의 타단에서 확경되어 일정 길이로 형성된 필터수용홈과, 상기 커넥터끼움구멍에서 확경된 위치에 루어락체결부의 외주면과 루어락체결부의 암나사부가 일정 길이 수용되도록 형성된 루어락체결부수용홈과, 상기 커넥터끼움구멍과 루어락체결부수용홈의 사이가 일정길이 돌출되어 의약품주입기의 암나사부로 끼워지도록 된 커넥터끼움보스부와, 상기 필터수용홈에 끼워져 안착됨과 더불어 공기는 통과되고 액체는 통과하지 못하도록 된 공기제거용 벤트필터로 이루어진 것을 특징으로 한다.The cover for a drug injector according to the present invention for achieving the above object has one end selectively connected to an infusion tube and the other end is a connecting tube fastened to the luer lock part of the syringe, and the luer lock fastening part of the drug injector accommodates a certain length. On the other hand, the central part of the luer lock shaft protruding from the center of the shaft can be inserted, and the cover is formed coaxially with the central part of the luer lock shaft of the drug injector so that the chemical and air can move in the direction connected to the syringe. A chemical liquid passage hole, a connector fitting hole formed to a predetermined length by being enlarged at one end of the chemical liquid passage hole, and fitted in the center of the luer lock shaft of the medicine injector, and the chemical liquid movement through hole enlarged at the other end to a predetermined length A filter accommodating groove formed, a luer lock fastening part accommodating groove formed to accommodate the outer circumferential surface of the luer lock fastening part and the female thread of the luer lock fastening part for a predetermined length at the position enlarged from the connector fitting hole, and the connector fitting hole and the luer lock fastening part It is characterized in that it consists of a connector fitting boss part that protrudes a certain length between the grooves to fit into the female screw part of the drug injector, and a vent filter for removing air that is inserted into and seated in the filter receiving groove, allowing air to pass but not liquid. do it with

여기서 상기 커넥터끼움구멍의 내주면에 환형돌기가 축방향을 향해 등간격으로 돌출된 것을 특징으로 한다.Here, it is characterized in that annular projections protrude at equal intervals in the axial direction on the inner circumferential surface of the connector fitting hole.

그리고 상기 약액이동관통구멍과 필터수용홈의 경계면인 필터밀착면에는 환형의 필터융착돌기가 돌출된 것을 특징으로 한다.And it is characterized in that annular filter fusion projections protrude from the filter adhesion surface, which is the interface between the chemical liquid passage hole and the filter receiving groove.

또한, 상기 의약품 주입기는, 상술한 의약품주입기용 커버와, 상기 커넥터끼움구멍에 끼워지도록 루어락축중심부가 일단에 구비됨과 더불어 이 루어락축중심부의 외주면에 주사기의 루어락에 체결되는 루어락체결부가 구비되는 한편, 타단에 수액튜브와 결합되도록 된 메일의약품주입기를 포함한다.In addition, the drug injector is provided with the above-described drug injector cover, a luer lock shaft center portion provided at one end to fit into the connector fitting hole, and a luer lock fastening portion fastened to the luer lock of the syringe on the outer peripheral surface of the luer lock shaft center portion. On the other hand, it includes a mail medicine injector to be coupled to the infusion tube at the other end.

상술한 바와 같이 본 발명에 따른 커버에 의하면, 환자의 팔 쪽 주사바늘의 루어락에 연결하도록 된 쪽에 공기빼기용 커버를 용이하게 착탈가능하게 설치할 수 있을 뿐만 아니라, 공기빼기가 되도록 하여 환자에게 수액을 주사하기 용이하게 되는 효과가 있다.As described above, according to the cover according to the present invention, the air venting cover can be easily and detachably installed on the side to be connected to the luer lock of the patient's arm side needle, and the air is vented to give the patient an infusion. It has the effect of making it easier to inject.

본 발명에 따른 커버에 의하면, 커넥터끼움구멍의 내주면에 등간격으로 형성된 환형돌기에 의해 커넥터끼움구멍의 내주면으로 끼워지는 루어락축중심부와의 끼움강도를 면접촉이 아닌 선접촉으로 하여 끼움강도를 조절하기 용이하게 되는 효과가 있다.According to the cover according to the present invention, the fitting strength is adjusted by making the fitting strength with the luer lock shaft center portion fitted into the inner circumferential surface of the connector fitting hole by the annular protrusions formed at equal intervals on the inner circumferential surface of the connector fitting hole in line contact rather than surface contact. There is an effect that it becomes easy to do it.

본 발명에 따른 커버에 의하면, 약액이동관통구멍과 필터수용홈의 경계면인 필터밀착면에는 환형의 필터융착돌기가 돌출되어, 공기제거용 벤트필터를 필터수용홈에 안착시키고 고정하기 위해 초음파융착을 할 때 환형의 필터융착돌기가 녹으면서 공기제거용 벤트필터와 융착이 용이하게 되는 효과가 있다.According to the cover according to the present invention, an annular filter fusion protrusion protrudes from the filter adhesion surface, which is the interface between the chemical liquid passage hole and the filter accommodating groove, and ultrasonic fusion is performed to seat and fix the air removal vent filter in the filter accommodating groove. There is an effect of facilitating fusion with the vent filter for air removal as the annular filter fusion protrusion melts when it is done.

도 1은 본 발명의 일 실시예에 따른 커버와 이를 구비한 의약품주입기를 설명하는 사시도이고,
도 2는 도 1의 정면도,
도 3은 도 2의 우측면도,
도 4는 도 2의 A - A선 단면도이다.1 is a perspective view illustrating a cover and a medicine injector having the same according to an embodiment of the present invention;
Figure 2 is a front view of Figure 1;
3 is a right side view of FIG. 2;
4 is a cross-sectional view taken along line A - A of FIG. 2 .

이하, 첨부된 도면을 참조하여 본 발명의 실시예에 따른 커버와 이를 구비한 의약품주입기를 상세히 설명한다.Hereinafter, a cover according to an embodiment of the present invention and a drug injector having the same will be described in detail with reference to the accompanying drawings.

상기 도면의 구성 요소들에 인용부호를 부가함에 있어서, 동일한 구성 요소들에 한해서는 비록 다른 도면상에 표시되더라도 가능한 동일한 부호를 가지도록 하고 있으며, 본 발명의 요지를 불필요하게 흐릴 수 있다고 판단되는 공지 기능 및 구성에 대한 상세한 설명은 생략한다. 또한, '상부', '하부', '앞', '뒤', '선단', '전방', '후단' 등과 같은 방향성 용어는 개시된 도면(들)의 배향과 관련하여 사용된다. 본 발명의 실시예의 구성요소는 다양한 배향으로 위치 설정될 수 있기 때문에 방향성 용어는 예시를 목적으로 사용되는 것이지 이를 제한하는 것은 아니다.In adding reference numerals to the components of the drawings, only the same components are to have the same reference numerals as possible even if they are displayed on different drawings, and a known function determined to unnecessarily obscure the gist of the present invention. and a detailed description of the configuration will be omitted. Also, directional terms such as 'top', 'bottom', 'front', 'back', 'lead', 'front', 'rear', etc. are used in connection with the orientation of the disclosed figure(s). The directional terminology is used for purposes of illustration and not limitation, as components of embodiments of the present invention may be positioned in various orientations.

본 발명의 의약품주입기용 커버(1000)는, 도 1 내지 도 4에 도시된 것과 같이, 일단은 수액튜브(10)와 선택적으로 연결됨과 더불어 타단은 도시되지 않은 주사기의 루어락 부분에 체결되는 연결관(의약품주입기)인 의약품주입기(100)의 루어락체결부(112)가 일정길이 수용되는 한편, 축중심으로 돌출된 루어락축중심부(111)를 일정한 압력으로 끼울 수 있도록 구성되는 한편, 축중심으로는 수액은 누출되지 않고 공기 빼기만 가능하도록 공기제거용 벤트필터(1600)가 설치되어 있다.As shown in FIGS. 1 to 4, the cover 1000 for a drug injector of the present invention has one end selectively connected to the infusion tube 10 and the other end connected to the luer lock portion of the syringe, not shown. While the luer lock fastening part 112 of the drug injector 100, which is a tube (medicine injector), is accommodated for a certain length, the luer lock shaft center part 111 protruding from the axial center can be fitted with a constant pressure, while the axial center In the furnace, a vent filter 1600 for removing air is installed so that only air can be removed without leaking the sap.

따라서 상기 수액튜브(10)와 연결된 연결관인 의약품주입기(100)의 루어락축중심부(111)에 끼워진 커버(1000)를 의약품주입기(100)를 잡은 엄지손가락으로 튕겨서 제거하기 용이하게 되는 한편, 상기 커버(1000)가 의약품주입기(100)에 조립된 상태로 공기제거용 벤트필터(1600)에 의해 수액튜브(10)와 의약품주입기(100)에 있던 공기가 배출되어 의약품주입기(100)를 주사기의 루어락에 체결할 때 별도의 공기빼기를 수행하지 않아도 되는 효과가 있다.Therefore, it is easy to remove the cover 1000 fitted in the central part 111 of the luer lock shaft of the medicine injector 100, which is a connection pipe connected to the infusion tube 10, by flipping it with the thumb holding the medicine injector 100. Meanwhile, the cover In a state where 1000 is assembled in the medicine injector 100, the air in the infusion tube 10 and the medicine injector 100 is discharged by the vent filter 1600 for air removal, and the medicine injector 100 is inserted into the luer of the syringe. When fastening to the lock, there is an effect that there is no need to perform a separate air bleed.

여기서 상기 커버(1000)에 대해 좀 더 상세히 설명하면, 상기 의약품주입기(100)의 루어락축중심부(111)와 동축상으로 관통형성되어 약액과 공기가 주사기와 연결되는 방향으로 이동할 수 있도록 된 약액이동관통구멍(1100)과, 상기 약액이동관통구멍의 일단에서 확경되어 일정길이로 형성되어 의약품주입기(100)의 루어락축중심부(111)에 끼울 수 있도록 된 커넥터끼움구멍(1200)과, 상기 약액이동관통구멍(1100)의 타단에서 확경되어 일정 길이로 형성된 필터수용홈(1300)과, 상기 커넥터끼움구멍(1200)에서 확경된 위치에 루어락체결부(112)의 외주면(112a)과 루어락체결부(112)의 암나사부(112b)가 일정 길이 수용되도록 형성된 루어락체결부수용홈(1400)과, 상기 커넥터끼움구멍(1200)과 루어락체결부수용홈(1400)의 사이가 일정길이 돌출되어 의약품주입기의 암나사부로 끼워지도록 된 커넥터끼움보스부(1500)와, 상기 필터수용홈(1300)에 끼워져 안착됨과 더불어 공기는 통과되고 액체는 통과하지 못하도록 된 박막 형태의 공기제거용 벤트필터(1600)를 포함한다.Here, if the cover 1000 is described in more detail, the drug solution movement is formed coaxially with the luer lock shaft center 111 of the drug injector 100 so that the drug solution and air can move in a direction connected to the syringe. A through hole 1100 and a connector fitting hole 1200 that is enlarged at one end of the chemical liquid movement through hole and has a predetermined length so as to be inserted into the Luer lock shaft center portion 111 of the medicine injector 100, and the chemical liquid movement The filter accommodating groove 1300 which is enlarged at the other end of the through hole 1100 and formed to a certain length, and the outer circumferential surface 112a of the luer lock fastening part 112 at the enlarged position in the connector fitting hole 1200 and the luer lock The luer lock fastening part accommodating groove 1400 formed so that the female screw part 112b of the part 112 is accommodated for a predetermined length, and a predetermined length between the connector fitting hole 1200 and the luer lock fastening part accommodating groove 1400 protrude A vent filter for removing air in the form of a thin film that is fitted with a connector fitting boss 1500 to be fitted with the female screw of the drug injector, and the filter accommodating groove 1300, while allowing air to pass through and liquid not to pass through it (1600). ) is included.

따라서 상기 약액이동관통구멍(1100)으로 공기와 약액이 이동하여 공기는 상기 필터수용홈(1300)에 밀착 설치된 공기제거용 벤트필터(1600)로 배출되게 되고, 약액은 배출이 되지 않게 되며, 상기 커넥터끼움구멍(1200)으로는 의약품주입기(100)의 루어락축중심부(111)가 일정한 압력으로 끼워져 조립됨과 더불어 상기 커버(1000)를 제거하고 주사바늘과 체결할 때에는 일정한 압력을 커버(1000)에 가하게 되면 루어락축중심부(111)에서 분리되게 되고, 상기 커넥터끼움보스부(1500)의 외주면 쪽으로 형성된 루어락체결부수용홈(1400)에 의해 루어락체결부(112)의 외주면(112a)과 루어락체결부(112)의 암나사부(112b)가 일정 길이 수용되어 오염을 방지하게 된다.Therefore, the air and the chemical liquid move to the chemical liquid movement through hole 1100, and the air is discharged to the vent filter 1600 for removing the air installed in close contact with the filter receiving groove 1300, and the chemical liquid is not discharged. In the connector fitting hole 1200, the central portion 111 of the luer lock shaft of the drug injector 100 is assembled with a constant pressure, and when the cover 1000 is removed and fastened with the needle, a constant pressure is applied to the cover 1000. When applied, the luer lock shaft is separated from the central portion 111, and the outer peripheral surface 112a of the luer lock fastening part 112 and the luer are separated by the luer lock fastening part accommodating groove 1400 formed toward the outer peripheral surface of the connector fitting boss part 1500. The female screw portion 112b of the lock fastening portion 112 is accommodated for a predetermined length to prevent contamination.

그리고 상기 커넥터끼움구멍(1200)의 내주면에 일정한 높이의 환형돌기(1210)가 축방향을 향해 등간격으로 돌출되어 있다.And annular projections 1210 of a certain height protrude at equal intervals in the axial direction on the inner circumferential surface of the connector fitting hole 1200 .

따라서 상기 환형돌기(1210)에 의해 커넥터끼움구멍(1200)의 내주면으로 끼워지는 루어락축중심부(111)와의 끼움강도를 면접촉이 아닌 선접촉으로 하여 끼움강도를 조절하기 용이하게 된다.Therefore, it is easy to adjust the fitting strength by making the fitting strength of the luer lock shaft center portion 111 fitted into the inner circumferential surface of the connector fitting hole 1200 by the annular protrusion 1210 as a line contact rather than a surface contact.

또한, 상기 약액이동관통구멍(1100)과 필터수용홈(1300)의 경계면인 필터밀착면(1310)에는 환형의 필터융착돌기(1311)가 돌출되는 것이 바람직하다.In addition, it is preferable that an annular filter fusion protrusion 1311 protrudes from the filter adhesion surface 1310 which is the interface between the chemical liquid movement through hole 1100 and the filter receiving groove 1300 .

따라서 상기 공기제거용 벤트필터(1600)를 필터수용홈(1300)에 안착시키고 고정하기 위해 초음파융착을 할 때 상기 환형의 필터융착돌기(1311)가 녹으면서 공기제거용 벤트필터(1600)와 융착이 용이하게 된다.Therefore, when ultrasonic welding is performed to seat and fix the vent filter 1600 for air removal in the filter receiving groove 1300, the annular filter fusion protrusion 1311 is melted and fused with the vent filter 1600 for air removal. This will facilitate

이러한 상기 의약품주입기용 커버(1000)를 이용한 의약품주입기(100)는, 상기 커넥터끼움구멍(1200)에 끼워지도록 루어락축중심부(111)가 일단에 구비됨과 더불어 이 루어락축중심부의 외주면에 주사기의 루어락에 체결되는 루어락체결부(112)가 구비되는 한편, 타단에 수액튜브(10)와 결합되도록 된 메일의약품주입기(100)를 포함한다,The drug injector 100 using the cover 1000 for the drug injector is provided with a luer lock shaft center part 111 at one end to fit into the connector fitting hole 1200, and the luer of the syringe is provided on the outer peripheral surface of the luer lock shaft center part. It includes a luer lock fastening part 112 fastened to the lock, and a mail medicine injector 100 configured to be coupled to the infusion tube 10 at the other end.

따라서 상기 수액튜브(10)와 연결된 연결관인 의약품주입기(100)의 루어락축중심부(111)에 끼워진 커버(1000)를 의약품주입기(100)를 잡은 엄지손가락으로 튕겨서 제거하기 용이하게 되는 한편, 상기 커버(1000)가 의약품주입기(100)에 조립된 상태로 공기제거용 벤트필터(1600)에 의해 수액튜브(10)와 의약품주입기(100)에 있던 공기가 배출되어 의약품주입기(100)를 주사기의 루어락에 체결할 때 별도의 공기빼기를 수행하지 않아도 되는 효과가 있다.Therefore, it is easy to remove the cover 1000 fitted in the central part 111 of the luer lock shaft of the medicine injector 100, which is a connection pipe connected to the infusion tube 10, by flipping it with the thumb holding the medicine injector 100. Meanwhile, the cover In a state where 1000 is assembled in the medicine injector 100, the air in the infusion tube 10 and the medicine injector 100 is discharged by the vent filter 1600 for air removal, and the medicine injector 100 is inserted into the luer of the syringe. When fastening to the lock, there is an effect that there is no need to perform a separate air bleed.

한편, 상기 의약품주입기(100)는 본 발명에서는, 일단이 수액튜브(10)와 끼워지고 타단은 상기 커버(1000)의 커넥터끼움구멍(1200)에 끼워지는 루어락축중심부(111)가 형성된 루어락슬립(110)과, 이 루어락슬립(110)의 루어락축중심부(111)외주면으로 빠지지 않도록 회전가능하게 끼워지는 한편, 도시되지 않은 주사기의 루어락에 체결될 수 있도록 내주면에 암나사(112b)가 형성된 루어락링(120)으로 이루어져 있다.On the other hand, in the present invention, the drug injector 100 is a luer lock having a luer lock shaft center portion 111 that is fitted with the infusion tube 10 at one end and the connector fitting hole 1200 of the cover 1000 at the other end. While the slip 110 and the luer lock slip 110 are rotatably fitted to the outer peripheral surface of the luer lock shaft center 111 of the slip 110, a female thread 112b is provided on the inner peripheral surface to be fastened to the luer lock of a syringe (not shown). It consists of a formed luer lock ring (120).

따라서 상기 루어락슬립(110)의 루어락축중심부(111)로 루어락링(120)을 끼워서 조립한 후, 상기 루어락링(120)을 도시되지 않은 주사기의 루어락에 체결이 가능하게 되는 한편, 상술한 상기 커버(1000)의 커넥터끼움구멍(1200)에 루어락축중심부(111)를 끼워서 수액튜브(10)의 공기를 배출할 수 있음은 물론, 주사기와 체결되는 의약품주입기(100)의 단부를 주사기와 체결하기 전에 오염으로부터 보호할 수 있게 된다.Therefore, after assembling the luer lock ring 120 by inserting the luer lock ring 120 into the luer lock shaft center portion 111 of the luer lock slip 110, it is possible to fasten the luer lock ring 120 to the luer lock of a syringe (not shown). By inserting the luer lock shaft center part 111 into the connector fitting hole 1200 of the cover 1000, the air of the infusion tube 10 can be discharged, as well as the end of the drug injector 100 that is fastened to the syringe. It is possible to protect it from contamination before fastening with it.

이상과 같이 설명되고, 도면에 도시된 본 발명의 실시예들은 본 발명의 기술적 사상을 한정하는 것으로 해석되어서는 안 된다. 본 발명의 보호범위는 청구범위에 기재된 사항에 의하여만 제한되고, 본 발명의 기술분야에서 통상의 지식을 가진 자는 본 발명의 기술적 사상을 다양한 형태로 개량 변경하는 것이 가능하다. 따라서 이러한 개량 및 변경은 통상의 지식을 가진 자에 의해 자명한 것인 경우에는 본 발명의 보호범위에 속하게 될 것이다.The embodiments of the present invention described above and shown in the drawings should not be construed as limiting the technical spirit of the present invention. The protection scope of the present invention is limited only by the matters described in the claims, and those skilled in the art can improve and change the technical idea of the present invention in various forms. Accordingly, such improvements and modifications will fall within the protection scope of the present invention if they are obvious to those of ordinary skill in the art.

10: 수액튜브 100: 의약품주입기
111: 루어락축중심부 112: 루어락체결부
1000: 커버 1100: 약액이동관통구멍
1200: 커넥터끼움구멍 1210: 환형돌기
1300: 필터수용홈 1310: 필터밀착면
1311: 필터융착돌기 1400: 루어락체결부수용홈
1500: 커넥터끼움보스부 1600: 공기제거용 벤트필터10: infusion tube 100: medicine injector
111: Luer lock shaft center 112: Luer lock fastening part
1000: cover 1100: chemical liquid through hole
1200: connector fitting hole 1210: annular projection
1300: filter receiving groove 1310: filter adhesion surface
1311: filter fusion protrusion 1400: Luer lock fastening part receiving groove
1500: connector fitting boss 1600: vent filter for air removal

Claims (4)

일단은 수액튜브와 선택적으로 연결됨과 더불어 타단은 주사기의 루어락 부분에 체결되는 연결관인 의약품주입기의 루어락체결부가 일정길이 수용되는 한편, 축중심으로 돌출된 루어락축중심부를 끼울 수 있도록 된 의약품주입기용 커버에 있어서,
상기 커버(1000)는,
상기 의약품주입기(100)의 루어락축중심부(111)와 동축상으로 관통형성되어 약액과 공기가 주사기와 연결되는 방향으로 이동할 수 있도록 된 약액이동관통구멍(1100)과,
상기 약액이동관통구멍의 일단에서 확경되어 일정길이로 형성되어 의약품주입기(100)의 루어락축중심부(111)에 끼울 수 있도록 된 커넥터끼움구멍(1200)과,
상기 약액이동관통구멍(1100)의 타단에서 확경되어 일정 길이로 형성된 필터수용홈(1300)과,
상기 커넥터끼움구멍(1200)에서 확경된 위치에 루어락체결부(112)의 외주면(112a)과 루어락체결부(112)의 암나사부(112b)가 일정 길이 수용되도록 형성된 루어락체결부수용홈(1400)과,
상기 커넥터끼움구멍(1200)과 루어락체결부수용홈(1400)의 사이가 일정길이 돌출되어 의약품주입기의 암나사부로 끼워지도록 된 커넥터끼움보스부(1500)와,
상기 필터수용홈(1300)에 끼워져 안착됨과 더불어 공기는 통과되고 액체는 통과하지 못하도록 된 공기제거용 벤트필터(1600)로 이루어진 것을 특징으로 하는 의약품주입기용 커버.One end is selectively connected to the infusion tube, and the other end is the luer lock fastening part of the drug injector, which is a connecting tube that is fastened to the luer lock part of the syringe. In the device cover,
The cover 1000 is
A drug solution moving through hole 1100 formed coaxially with the central portion 111 of the luer lock shaft of the drug injector 100 so that the drug solution and air can move in a direction connected to the syringe;
A connector fitting hole 1200, which is enlarged at one end of the chemical liquid passage hole and formed to a predetermined length so that it can be inserted into the luer lock shaft center portion 111 of the medicine injector 100;
A filter accommodating groove 1300 formed with a predetermined length by expanding the diameter at the other end of the chemical liquid movement through hole 1100,
Luer lock fastening part accommodating groove formed to accommodate the outer peripheral surface 112a of the luer lock fastening part 112 and the female screw part 112b of the luer lock fastening part 112 at a position enlarged in the connector fitting hole 1200 by a predetermined length. (1400) and
A connector fitting boss part 1500 which protrudes a certain length between the connector fitting hole 1200 and the luer lock fastening part accommodating groove 1400 so as to be inserted into the female screw part of the medicine injector;
A cover for a medicine injector, characterized in that it is fitted in the filter receiving groove (1300), and includes a vent filter (1600) for removing air that passes through and prevents liquid from passing through. 제 1항에 있어서,
상기 커넥터끼움구멍(1200)의 내주면에 일정한 높이의 환형돌기(1210)가 축방향을 향해 등간격으로 돌출된 것을 특징으로 하는 의약품주입기용 커버.The method of claim 1,
Annular projections 1210 of a certain height on the inner circumferential surface of the connector fitting hole 1200 are protruding at equal intervals in the axial direction. 제 1항에 있어서,
상기 약액이동관통구멍(1100)과 필터수용홈(1300)의 경계면인 필터밀착면(1310)에는 환형의 필터융착돌기(1311)가 돌출된 것을 특징으로 하는 의약품주입기용 커버.The method of claim 1,
A cover for a drug injector, characterized in that an annular filter fusion protrusion 1311 protrudes from the filter adhesion surface 1310, which is the interface between the chemical liquid movement through hole 1100 and the filter receiving groove 1300. 제 1항 내지 제 3항 중 어느 한 항의 의약품주입기용 커버(1000)를 포함하는 것을 특징으로 하는 의약품주입기.[Claim 4] A drug injector comprising the cover 1000 for the drug injector according to any one of claims 1 to 3.
KR1020210051907A 2021-04-21 2021-04-21 Cover and medicine injector equipped with it KR20220145170A (en)

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