KR100462937B1 - A safty injection set - Google Patents

A safty injection set Download PDF

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Publication number
KR100462937B1
KR100462937B1 KR10-2001-0006302A KR20010006302A KR100462937B1 KR 100462937 B1 KR100462937 B1 KR 100462937B1 KR 20010006302 A KR20010006302 A KR 20010006302A KR 100462937 B1 KR100462937 B1 KR 100462937B1
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KR
South Korea
Prior art keywords
ringer
fluid
flow check
circular ball
present
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KR10-2001-0006302A
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Korean (ko)
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KR20040016450A (en
Inventor
장양수
진미경
장문석
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장양수
진미경
장문석
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Priority to KR10-2001-0006302A priority Critical patent/KR100462937B1/en
Priority to KR10-2001-0027211A priority patent/KR100432865B1/en
Publication of KR20040016450A publication Critical patent/KR20040016450A/en
Application granted granted Critical
Publication of KR100462937B1 publication Critical patent/KR100462937B1/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
    • A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
    • A61M5/16804—Flow controllers
    • 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
    • A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
    • A61M5/16877—Adjusting flow; Devices for setting a flow rate

Abstract

본 발명은 환자의 혈관에 링거액을 주입하는 수액세트에 관한 것으로서, 보다 상세하게는 링거액흐름 확인구의 내부에 구비된 원형볼이 초기 링거액 투입시 자체부력에 의해 쉽게 부상되도록 하여 링거액이 링거액 공급관을 통하여 원활하게 주사되도록 함과 아울러 링거액이 없을 경우에는 자동적으로 링거액 유출구멍을 폐쇄시켜 인체의 피가 역류되는 것을 효과적으로 방지할 수 있는 안전수액세트에 관한 것이다.The present invention relates to an infusion set for injecting Ringer's solution into a patient's blood vessel, and more particularly, a circular ball provided inside the Ringer's fluid flow check port can be easily injured by its own buoyancy when the initial Ringer's solution is added. The present invention relates to a safety fluid set capable of smoothly injecting and effectively preventing the backflow of human blood by automatically closing the ringer fluid outflow hole when there is no Ringer fluid.

본 발명의 목적은 수액세트의 링거액흐름 확인구의 하부구조를 개량하여 링거액의 링거액흐름 확인구내로 유입될 때 원형볼이 항상 부력을 받아 부상동작을 확실하게 함으로서 링거액이 원활하게 주사될 수 있도록 함과 아울러 링거액이 없을 경우에는 인체의 피가 링거액 공급관을 통하여 역류되는 것을 근본적으로 방지할 수 있는 안전수액세트를 제공하는데 있다.An object of the present invention is to improve the lower structure of the ringer fluid flow check sphere of the infusion set to ensure that the round ball is always buoyant to ensure the floating operation when the ringer fluid flows into the ringer fluid flow check sphere of the ringer fluid so that the ringer fluid can be injected smoothly. In addition, in the absence of Ringer's solution, the present invention provides a set of safety sap that can fundamentally prevent human body blood from flowing back through the Ringer's fluid supply pipe.

상기한 목적을 달성하기 위한 본 발명의 구성은 링거액이 충진된 링거팩이나 링거병에 연결되는 수액세트의 링거액흐름 확인구의 내부에 상기 링거액의 흐름을 제어하는 원형볼이 유동가능하게 설치된 안전수액세트에 있어서, 상기 수액세트의 링거액흐름 확인구의 하부구조가 만곡구조를 형성하며 링거액 투입시 상기 원형볼이 부력을 받아 쉽게 부상할 수 있도록 반원형의 안착홈이 형성된 것을 특징으로 한다.The construction of the present invention for achieving the above object is a safety solution set is installed in the ringer fluid filled ringer pack or ringer fluid connected to the ringer bottle is connected to the inside of the ringer fluid flow check sphere to control the flow of the ringer fluid flowable In the, the lower structure of the ringer liquid flow check sphere of the infusion set forms a curved structure, characterized in that the semicircular seating groove is formed so that the circular ball is easily buoyant by buoyancy when the ringer liquid is added.

여기서, 상기 원형볼은 그 내부에 공기층이 형성되도록 하여 부상동작을 확실하게 함과 아울러 링거액이 없을 경우 밀폐동작을 확실하기 하는것이 바람직하다.In this case, it is preferable that the circular ball has an air layer formed therein to ensure the floating operation and to ensure the sealing operation when there is no ringer liquid.

Description

안전 수액세트{A safty injection set}Safe sap set {A safty injection set}

본 발명은 환자의 혈관에 링거액을 주입하는 수액세트에 관한 것으로서, 보다 상세하게는 링거액흐름 확인구의 내부에 구비된 원형볼이 초기 링거액 투입시 자체부력에 의해 쉽게 부상되도록 하여 링거액이 링거액 공급관을 통하여 원활하게 주사되도록 함과 아울러 링거액이 없을 경우에는 자동적으로 링거액 유출구멍을 폐쇄시켜 인체의 피가 역류되는 것을 효과적으로 방지할 수 있는 안전수액세트에 관한 것이다.The present invention relates to an infusion set for injecting Ringer's solution into a patient's blood vessel, and more particularly, a circular ball provided inside the Ringer's fluid flow check port can be easily injured by its own buoyancy when the initial Ringer's solution is added. The present invention relates to a safety fluid set capable of smoothly injecting and effectively preventing the backflow of human blood by automatically closing the ringer fluid outflow hole when there is no Ringer fluid.

일반적으로 환자는 위장으로 음식을 섭취하여 소화하는 기능이 저하되거나 필요한 양분 즉, 포도당, 주사액 등을 환자에게 보충하기 위하여 링거팩이나 링거병에 내장된 링거액을 환자의 혈관으로 주입하게 된다.In general, a patient injects Ringer's solution or Ringer's disease-containing Ringer's solution into the patient's blood vessels in order to supplement the patient with nutrients, such as glucose and injection, which are inferior in food digestion.

도 6은 일반적인 안전수액세트를 나타낸 단면도로서 동 도면에 도시된 바와 같이 상부에서 하부로 점차 좁아지며 하부에 곡면부(110)를 구비하고 유출구멍(120)을 형성한 링거액흐름 확인구(100)내부에 링거액이 유입되면 부력을 받아 뜨고 상기 링거액을 다 배출한 후에는 하부의 유출구멍(120)를 막도록 원형볼(200)을 구비하였다.Figure 6 is a cross-sectional view showing a typical safety fluid set as shown in the figure gradually narrowed from the top to the lower portion having a curved portion 110 in the lower ringer liquid flow check hole 100 formed with an outlet hole 120 When the ringer liquid flows into the inside, the buoyant floats and the circular ball 200 is provided to block the outlet hole 120 at the bottom after the ringer liquid is exhausted.

상기와 같이 구성된 종래의 안전수액세트는 공급관(300)의 끝에 구비된 주사바늘을 몸에 찔러 꽂고 링거액흐름 확인구의 침봉(400)을 링게르병(500)의 고무마개(600)에 꽂으면 링거액은 유입구멍(410)을 통해 링거액흐름 확인구(100)로 유입이 되고 상기 링거액흐름 확인구(100)내에 구비된 원형볼(200)은 부력으로 뜨게 되며 링거액은 유출구멍(120)을 통해 공급관(300)을 지나 몸속으로 투입이 된다.The conventional safety sap set configured as described above is inserted into the body of the needle provided at the end of the supply pipe 300 and the ringer liquid flow when the needle bar 400 is plugged into the rubber stopper 600 of the ringer bottle 500, Ringer's solution is The inlet hole 410 is introduced into the ringer fluid flow check hole 100 and the circular ball 200 provided in the ringer liquid flow check hole 100 floats with buoyancy and the ringer fluid is supplied through the outlet hole 120 through the supply pipe ( It is injected into the body after 300).

링거팩 또는 링거병내에 링거액이 전부 투출이 되면 상기 링거액흐름 확인구(100)내의 원형볼(200)이 상기 링거액흐름 확인구(100)하부에 서서히 안착이 되어 유출구멍(120)을 막아 상기 공급관(300)을 밀폐시키도록 되어 있다.When all the Ringer solution is discharged in the Ringer Pack or Ringer bottle, the circular ball 200 in the Ringer liquid flow check hole 100 is slowly seated under the Ringer liquid flow check hole 100 to block the outflow hole 120 to supply the pipe. The 300 is sealed.

그러나 상기와 같은 안전수액세트는 초기 링거액이 링거액흐름 확인구로 유입할 때 원형볼이 상기 링거액흐름 확인구 하부에 안착되어 있어 상기 원형볼과 링거액 흐름확인구 내측간에 밀착되어지고 이로인해 정지마찰력이 작용하여 사용시 링거액이 링거액 확인구로 유입된다 하여도 상기 원형볼이 부력을 받아 쉽게 부상하지 못하여 링거액이 인체로 주사될 수가 없는 문제점을 지니고 있으며, 특히 생명을 다루는 의료기기는 높은 제품의 신뢰성을 요구하고 있어 기기의 오동작은 심각한 문제점으로 남아 있다.However, the safety fluid set as described above has a circular ball seated under the Ringer fluid flow check hole when the initial Ringer fluid flows into the Ringer fluid flow check port, so that the circular ball and the inside of the Ringer fluid flow check port come into close contact with each other. Ringer's fluid cannot be easily injected due to buoyancy due to buoyancy, even though Ringer's fluid flows into the Ringer's fluid check port. In particular, medical devices that handle life require high product reliability. Malfunctions of the equipment remain a serious problem.

따라서, 본 발명은 상기한 문제점를 해결하기 위해 안출된 것으로서, 본 발명의 목적은 수액세트의 링거액흐름 확인구의 하부구조를 개량하여 링거액의 링거액흐름 확인구내로 유입될 때 원형볼이 항상 부력을 받아 부상동작을 확실하게 함으로서 링거액이 원활하게 주사될수 있도록 함과 아울러 링거액이 없을 경우에는 인체의 피가 링거액 공급관을 통하여 역류되는 근본적으로 방지할수 있는 안전수액세트를 제공하는데 있다.Therefore, the present invention has been made to solve the above problems, an object of the present invention is to improve the substructure of the ringer fluid flow check sphere of the infusion set to the round ball is always buoyant buoyancy when flowing into the ringer fluid flow check sphere of Ringer fluid By ensuring the operation to ensure that the Ringer's fluid can be injected smoothly, and in the absence of the Ringer's solution to provide a set of essentially preventive safety fluid to prevent the body's blood flow back through the Ringer's fluid supply pipe.

상기한 목적을 달성하기 위한 본 발명의 구성은 링거액이 충진된 링거팩이나 링거병에 연결되는 수액세트의 링거액흐름 확인구의 내부에 상기 링거액의 흐름을 제어하는 원형볼이 유동가능하게 설치된 안전수액세트에 있어서, 상기 수액세트의 링거액흐름 확인구의 하부구조가 만곡구조를 형성하며 링거액 투입시 상기 원형볼이 부력을 받아 쉽게 부상할 수 있도록 반원형의 안착홈이 형성된 것을 특징으로 한다.The construction of the present invention for achieving the above object is a safety solution set is installed in the ringer fluid filled ringer pack or ringer fluid connected to the ringer bottle is connected to the inside of the ringer fluid flow check sphere to control the flow of the ringer fluid flowable In the, the lower structure of the ringer liquid flow check sphere of the infusion set forms a curved structure, characterized in that the semicircular seating groove is formed so that the circular ball is easily buoyant by buoyancy when the ringer liquid is added.

여기서, 상기 원형볼은 그 내부에 공기층이 형성되도록 하여 부상동작을 확실하게 함과 아울러 링거액이 없을 경우 밀폐동작을 확실하게 하는것이 바람직하다.Here, it is preferable that the circular ball ensures the floating operation by forming an air layer therein and also ensures the sealing operation when there is no ringer liquid.

도 1은 본 발명에 따른 안전수액세트에서 링거액이 주입되고 있는 상태를 보인 단면도,1 is a cross-sectional view showing a state in which the ringer liquid is injected in the safety solution set according to the present invention,

도 2는 본 발명에 따른 안전수액세트에서 링거액이 소진된 상태의 링거액흐름 확인구의 단면도,Figure 2 is a cross-sectional view of the ringer liquid flow check sphere in the state of the ringer liquid exhausted in the safety sap set according to the present invention,

도 3은 본 발명에 따른 안전수액세트에서 링거액이 첫 투출될 때 링거액흐름 확인구의 부분확대단면도,Figure 3 is a partially enlarged cross-sectional view of the ringer liquid flow check when the first ringer solution is discharged from the safety solution set according to the present invention,

도 4는 도 2의 A부의 확대단면도,4 is an enlarged cross-sectional view of part A of FIG. 2;

도 5는 본 발명에 따른 안전수액세트의 원형볼을 나타낸 단면도,5 is a cross-sectional view showing a circular ball of the safety fluid set according to the present invention,

도 6은 종래의 일반적인 수액세트를 나타낸 개락도.6 is a schematic diagram showing a conventional infusion set.

< 도면의 주요 부분에 대한 부호의 설명 ><Description of Symbols for Main Parts of Drawings>

10 : 링거액흐름 확인구 11 : 만곡구조10: ringer liquid flow check hole 11: curved structure

12 : 원형볼 안착홈 13 : 유출구멍12: circular ball seating groove 13: outflow hole

20 : 원형볼 21 : 공기홀20: round ball 21: air hole

30 : 공급관 40 : 링거병30: supply pipe 40: Ringer's bottle

50 : 주사바늘 60 : 침봉50: needle 60: needle bar

이하 첨부된 도면을 참조하여 본 발명의 안전 수액세트를 상세히 설명한다.Hereinafter, the safety infusion set of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명에 따른 안전수액세트에서 링거액이 주입되고 있는 상태의 링거액흐름 확인구의 단면도이고, 도 2는 본 발명에 따른 안전수액세트에서 링거액이 소진된 상태의 링거액흐름 확인구의 단면도이며, 도 3은 도 2의 A부의 확대 단면도이다.1 is a cross-sectional view of the ringer fluid flow check sphere in the state in which the ringer liquid is injected in the safety solution set according to the present invention, Figure 2 is a cross-sectional view of the ringer liquid flow check sphere in the state of the ringer liquid exhausted in the safety solution set according to the present invention, 3 is an enlarged cross-sectional view of part A of FIG. 2.

상기 도면에 도시된 바와 같이 본 발명은 링거액이 충진된 링거병(40)에 삽입설치되며 상부에 침봉(60)이 구비된 링거액흐름 확인구(10)가 구비되며 상기 링거액흐름 확인구(10) 내에는 원형볼(20)이 구비된다.As shown in the drawing, the present invention is installed in a Ringer's bottle 40 filled with Ringer's solution and is provided with a Ringer's liquid flow check 10 provided with a needle bar 60 on the upper portion of the Ringer's liquid flow check 10. Inside the circular ball 20 is provided.

상기 링거액흐름 확인구(10) 하부는 이중 만곡구조(11)를 형성하고 상기 만곡구조(11)가 만나는 지점에 원형볼(20)의 대략 1/2이내로 안착되도록 반 원형의 원형볼 안착홈(12)이 형성되어 있다.The lower ringer fluid flow check hole 10 forms a double curved structure 11 and a semi-circular circular ball seating groove to be seated within about 1/2 of the circular ball 20 at the point where the curved structure 11 meets ( 12) is formed.

상기 원형볼 안착홈(12)의 중앙에 소정직경을 가진 링거액 유출구멍(13)이형성되어 링거액을 몸에 꽂여 있는 주사바늘(50)로 안내하는 공급관(30)과 연결되어 있다.A ringer fluid outlet hole 13 having a predetermined diameter is formed in the center of the circular ball seating groove 12, and is connected to a supply pipe 30 for guiding the ringer fluid to the needle 50 inserted into the body.

또한 바람직하게는 상기 원형볼(20)은 인체에 무해한 천연고무이며 내부에 소정 공동홀(21)을 구비하였다.Also preferably, the circular ball 20 is a natural rubber harmless to the human body and has a predetermined cavity hole 21 therein.

상기와 같이 구성된 본 발명은 링거벽에 링거액흐름 확인구(10)를 침봉(60)에 의해 삽입고정하면 링거병(40)에 내장된 링거액이 상기 침봉(60)을 통해 링거액흐름 확인구(10)로 유입이 된다.In the present invention configured as described above, when the ringer fluid flow confirmation port 10 is inserted into the ringer wall by the needle bar 60, the ringer fluid contained in the ringer bottle 40 is ringer fluid flow check port 10 through the needle bar 60. ) Inflow.

한편, 원형볼(20)은 상기 링거액흐름 확인구(10)의 하부에 형성된 원형볼 안착홈(12)에 안착되어 있는데 링거액이 유입이 되면 상기 링거액흐름 확인구(10) 하부에 구비된 만곡구조(11)에 소정 링거액이 모이게 되는데 이 때 소정 링거액이 모이면 그 링거액면상이 상기 원형볼(20)의 중심보다 밑에 형성되어 항상 상기 원형볼(20)은 부력을 받게 된다.On the other hand, the circular ball 20 is seated in the circular ball seating groove 12 formed in the lower portion of the ringer liquid flow confirmation port 10, when the ringer liquid flows into the curved structure provided in the lower ringer liquid flow confirmation hole (10) The predetermined ringer liquid is collected at 11, and when the predetermined ringer liquid is collected, the ringer liquid surface is formed below the center of the circular ball 20 so that the circular ball 20 is always buoyant.

또한 상기 원형볼(20)과 상기 원형볼 안착홈(12)사이의 접촉면적이 작아 적은 부력으로도 쉽게 부상이 가능해진다.In addition, the contact area between the circular ball 20 and the circular ball seating groove 12 is small, it is possible to easily float even with a small buoyancy.

상기와 같이 원형볼(20)이 부력에 의해 링거액면상에 떠오르면 링거액은 상기 링거액흐름 확인구(10) 하부에 구비된 유출구멍(13)을 통해 유출이 되고 상기 유출구멍(13)에 연결되어 몸에 꽂힌 주사바늘(50)에 연결된 공급관(30)을 통해 링거액은 몸속으로 투입이 되어진다.As described above, when the circular ball 20 floats on the ringer liquid surface by buoyancy, the ringer liquid is discharged through the outlet hole 13 provided at the lower portion of the ringer liquid flow check hole 10, and is connected to the outlet hole 13 to the body. Ringer's solution is introduced into the body through the supply pipe 30 connected to the needle 50 inserted into the body.

한편 링거병(40)에 링거액이 전부 소모되면 상기 링거액흐름 확인구(10)의 링거액도 줄어들며 부력을 받아 떠 있던 원형볼(20)도 서서히 상기 링거액과 함께하강한다.Meanwhile, when all of the Ringer's solution is consumed in the Ringer's bottle 40, the Ringer's solution of the Ringer's liquid flow check hole 10 is also reduced, and the circular ball 20, which is buoyant, is gradually lowered with the Ringer's solution.

상기 링거액흐름 확인구(10)내의 링거액이 점차 없어지면 상기 원형볼(20)은 상기 원형볼 안착홈(12)에 안착이 되며 밀착되는데 이 때 상기 공급관(30)을 따라 유동하는 링거액은 소정길이만큼 유동하다가 링거액의 자중과 밀폐압간의 힘의평형에 의해 더 이상 유동하지 않고 정지한다.When the ringer liquid in the ringer liquid flow check port 10 gradually disappears, the circular ball 20 is seated in the circular ball seating groove 12 and is in close contact with the ringer liquid flowing along the supply pipe 30 by a predetermined length. The flow stops without further flow due to the force balance between the ringer's own weight and the closing pressure.

한편 상기 원형볼(20)내부에 소정 공기가 내장된 공기홀(21)을 형성하여 상기 링거액이 공급관(30)을 따라 하강 유동시 상기 원형볼(20)의 일부가 상기 유출구멍(13)에 볼록끼움현상으로 상기 유출구멍(13)을 완전히 밀봉하게 된다.Meanwhile, a portion of the circular ball 20 is formed in the outflow hole 13 when the ringer liquid flows downward along the supply pipe 30 by forming an air hole 21 in which the predetermined air is embedded in the circular ball 20. The convex fit phenomenon completely seals the outlet hole 13.

따라서 링거액이 소진되었을 때 혈관에 기포가 들어가거나 혈액이 주사바늘(50)을 통해 공급관(30)으로 역류되는 것을 미연에 방지하여 준다.Therefore, when the Ringer's fluid is exhausted to prevent bubbles from entering the blood vessel or blood flow back to the supply pipe 30 through the needle 50 in advance.

상술한 바와 같은 본 발명에 따르면 링거액흐름 확인구내의 원형볼이 상기 링거액흐름 확인구내로 링거액 투입시 그 자체부력으로 용이하게 부상할 수 있어 링거액의 유출동작이 확실하고, 또한 링거액이 소모되었을 경우에는 링거액 유출구멍을 확실하게 밀봉할수 있음으로 인해 인체의 혈액이 역류되는 것을 방지해 줌으로서 제품의 신뢰도를 높일 수 있는 효과가 있다.According to the present invention as described above, the circular ball in the ringer fluid flow check hole can easily rise by its own buoyancy when the ringer fluid is injected into the ringer fluid flow check hole, so that the outflow operation of the ringer fluid is sure, and when the ringer fluid is consumed, Since the ringer fluid outlet hole can be securely sealed, it prevents the blood flow back to the human body, thereby increasing the reliability of the product.

Claims (2)

삭제delete 그 내부에 소정공기가 내장되는 공기홀이 구비된 원형볼(20)과 상기 수액세트의 링거액흐름 확인구(10)의 하부구조가 다수의 만곡구조(11)를 형성하며 초기 링거액의 투입으로 상기 원형볼(20)의 부력을 받아 떠 오를 수 있도록 소정깊이 안착고정되도록 원형볼 안착홈이 형성된 것을 특징으로하는 안전수액세트.A circular ball 20 having an air hole therein with a predetermined air therein and a lower structure of the ringer liquid flow confirmation port 10 of the sap set form a plurality of curved structures 11, and the initial ringer solution is injected into the Safety fluid set, characterized in that the circular ball seating groove is formed to be fixed to a predetermined depth so that the floating by receiving the buoyancy of the circular ball (20).
KR10-2001-0006302A 2001-02-09 2001-02-09 A safty injection set KR100462937B1 (en)

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Publication number Priority date Publication date Assignee Title
JP2008529650A (en) * 2005-02-14 2008-08-07 サング デ イ Liquid shut-off device and system including alarm or wireless calling device and storage bag
KR20210108197A (en) 2020-02-25 2021-09-02 최근욱 Medical bag with blood leak prevention and backdraft prevention fuction
KR20210137334A (en) 2020-05-08 2021-11-17 최근욱 Medical bag with blood leak prevention and backdraft prevention fuction

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Publication number Priority date Publication date Assignee Title
KR20160012729A (en) 2014-07-25 2016-02-03 성원메디칼 주식회사 Sap set comprising filter
KR102220836B1 (en) * 2019-02-28 2021-02-25 건양대학교 산학협력단 Prevention module on blood backflow for injection of ringer's solution
CA3230033A1 (en) * 2021-09-01 2023-03-09 Sungkwan An Drip infusion container for infusion device

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JPH04292172A (en) * 1991-03-20 1992-10-16 Shiroma Kagaku Kenkyusho:Kk Transfusion liquid set having dripping cylinder with floating valve body for preventing air infiltration

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JPH04292172A (en) * 1991-03-20 1992-10-16 Shiroma Kagaku Kenkyusho:Kk Transfusion liquid set having dripping cylinder with floating valve body for preventing air infiltration

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008529650A (en) * 2005-02-14 2008-08-07 サング デ イ Liquid shut-off device and system including alarm or wireless calling device and storage bag
KR20210108197A (en) 2020-02-25 2021-09-02 최근욱 Medical bag with blood leak prevention and backdraft prevention fuction
KR20210137334A (en) 2020-05-08 2021-11-17 최근욱 Medical bag with blood leak prevention and backdraft prevention fuction

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