JP5615688B2 - Liquid injection parts and medical devices - Google Patents
Liquid injection parts and medical devices Download PDFInfo
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- JP5615688B2 JP5615688B2 JP2010289476A JP2010289476A JP5615688B2 JP 5615688 B2 JP5615688 B2 JP 5615688B2 JP 2010289476 A JP2010289476 A JP 2010289476A JP 2010289476 A JP2010289476 A JP 2010289476A JP 5615688 B2 JP5615688 B2 JP 5615688B2
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Description
本発明は、血液バッグ、輸液（薬液）バッグ、輸液セット、輸血セット、血液の体外循環回路（血液浄化の目的等で使用されるもの）、人工肺、人工心肺、カテーテル等の医療用具において、当該医療用具に、生理食塩水溶液、デキストラン等の電解質溶液、その他の輸液、薬液等の液体（補液という場合もある）を注入するための液体注入部品の改良に関する。
本発明で、液体注入部品とは、連通部材、接続部材及び液体の注入チューブを含む。
以下、本発明の説明では、自己血輸血に使用される血液バッグの例について説明する。
The present invention relates to a medical device such as a blood bag, an infusion (medical solution) bag, an infusion set, a transfusion set, a blood extracorporeal circuit (used for the purpose of blood purification, etc.), an oxygenator, an oxygenator, and a catheter. The present invention relates to improvement of a liquid injection part for injecting a liquid such as a physiological saline solution, an electrolyte solution such as dextran, other infusions, and drug solutions (sometimes referred to as a replacement fluid) into the medical device.
In the present invention, the liquid injection component includes a communication member, a connection member, and a liquid injection tube.
Hereinafter, in the description of the present invention, an example of a blood bag used for autologous blood transfusion will be described.
図１１は従来の液体注入部品１０１を有する血液バッグ１５１の概略図で、図１２は、図１１の液体注入部品１０１の一部拡大断面図で、使用状態を示す概略図である。図１２（Ａ）は、液体の注入チューブ（ＳＴ１、ＳＴ２、ＳＴ３）の液体流路を閉塞している状態、図１２（Ｂ）は、液体の注入チューブ（ＳＴ１、ＳＴ２、ＳＴ３）の液体流路を開放している状態を表している。
液体注入部品１０１を構成する連通部材１１１、接続部材１２１、その他、注入チューブＳＴ１、ＳＴ２、ＳＴ３、分岐管１３０等の管状（またはチューブ状、筒状という場合もある）の部材ないし当該管状の部材の形態を一部でも含む各構成部品は、長手方向と当該長手方向に略垂直に交差する側部（外周）方向とを有する。
また図１１の血液バッグ１５１方向に近い方向（端部）を「第１端部」、採血針１５４方向に近い方向（端部）［血液バッグ１５１方向に遠い方向（端部）］を「第２端部」として記載する。
FIG. 11 is a schematic view of a blood bag 151 having a conventional liquid injection component 101, and FIG. 12 is a partial enlarged cross-sectional view of the liquid injection component 101 of FIG. 12A shows a state in which the liquid flow path of the liquid injection tube (ST1, ST2, ST3) is closed, and FIG. 12B shows a liquid flow in the liquid injection tube (ST1, ST2, ST3). The road is open.
Tubular (or tube-like or tube-like) members such as the communication member 111, the connection member 121, and the injection tubes ST1, ST2, ST3, and the branch pipe 130 constituting the liquid injection component 101 or the tubular member. Each component including at least a part of the configuration has a longitudinal direction and a side (outer periphery) direction that intersects the longitudinal direction substantially perpendicularly.
Also, the direction (end) near the blood bag 151 direction in FIG. 11 is “first end”, the direction (end) near the blood collection needle 154 direction [direction far from the blood bag 151 (end)] is “first”. It is described as “two ends”.
液体注入部品１０１は、複数の注入チューブ（第１注入チューブＳＴ１、第２注入チューブＳＴ２、第３注入チューブＳＴ３）と、連通部材１１１と、接続部材１２１とから構成されている。
第２注入チューブＳＴ２の内部に、連通部材１１１（切断部１１２と固定部１１３を有する）を配置している。
第２注入チューブＳＴ２は、第１端部側に、第１注入チューブＳＴ１の第２端部側を接続し、第２端部側に、第３注入チューブＳＴ３の第１端部側を接続している。
第１注入チューブＳＴ１と第３注入チューブＳＴ３とは、径と長さが同じで、第１注入チューブＳＴ１（第３注入チューブＳＴ３）と第２注入チューブＳＴ２とは、径と長さが異なる。これらの二種類のチューブを、三部品使用している。
第３注入チューブＳＴ３の第２端部側に接続部材１２１（第２端部側の外周に接続部１２３を形成している）の第１端部側を接続している。
第１注入チューブＳＴ１の第１端部側を、分岐管１３０（第１管部１３１、第２管部１３２、第３管部１３３を有する）の第３管部１３３の第２端部側に接続している。
The liquid injection component 101 includes a plurality of injection tubes (first injection tube ST1, second injection tube ST2, and third injection tube ST3), a communication member 111, and a connection member 121.
A communication member 111 (having a cutting part 112 and a fixing part 113) is arranged inside the second injection tube ST2.
The second injection tube ST2 has a first end side connected to the second end side of the first injection tube ST1, and a second end side connected to the first end side of the third injection tube ST3. ing.
The first injection tube ST1 and the third injection tube ST3 have the same diameter and length, and the first injection tube ST1 (third injection tube ST3) and the second injection tube ST2 have different diameters and lengths. Three types of these two types of tubes are used.
The first end portion side of the connection member 121 (the connection portion 123 is formed on the outer periphery of the second end portion side) is connected to the second end portion side of the third injection tube ST3.
The first end portion side of the first injection tube ST1 is connected to the second end portion side of the third tube portion 133 of the branch tube 130 (having the first tube portion 131, the second tube portion 132, and the third tube portion 133). Connected.
使用に際しては、採血針１５４を採血者に穿刺して、採血針１５４から、採血チューブ１５４Ｔを経て、血液バッグ１５１のバッグ本体１５２内に血液を導入する。（採血終了。）
接続部材１２１の接続部１２３に、輸液セットの接続部材（コネクタ等、図示せず）を接続し、図１２（Ｂ）のように連通部材１１１の切断部１１２を切断領域１１４より切断する。
接続部１２１、第３注入チューブＳＴ３、第２注入チューブＳＴ２、第１注入チューブＳＴ１、分岐管１３０、採血チューブ１５４Ｔ、採血針１５４を経へて、採血者に液体（補液）を導入する。
In use, the blood collection needle 154 is punctured by the blood sampler, and blood is introduced from the blood collection needle 154 into the bag body 152 of the blood bag 151 through the blood collection tube 154T. (End of blood collection.)
A connection member (connector or the like, not shown) of the infusion set is connected to the connection part 123 of the connection member 121, and the cutting part 112 of the communication member 111 is cut from the cutting region 114 as shown in FIG.
A liquid (replacement fluid) is introduced into the blood sampler through the connecting portion 121, the third injection tube ST3, the second injection tube ST2, the first injection tube ST1, the branch tube 130, the blood collection tube 154T, and the blood collection needle 154.
図１２の液体注入部品１０１では、前記のように注入チューブは、径と長さの異なる二種類のチューブを、三部品使用して形成し、連通部材１１１が第２注入チューブＳＴ２、接続部１２１が第３注入チューブＳＴ３にそれぞれ分離して配置（接続）している。
このため（ａ）注入チューブ全体（第１注入チューブＳＴ１〜第３注入チューブＳＴ３）中への液体のプライミングボリームが多くなる。
（ｂ）各部品間に（接続）段差が多くできる。
（ｃ）部品点数が多く、かつ各部品の接続の手間がかかり製造コストが高くなる等の課題がある。
In the liquid injection component 101 of FIG. 12, as described above, the injection tube is formed by using two types of tubes having different diameters and lengths, and the communication member 111 is the second injection tube ST2 and the connection portion 121. Are arranged (connected) separately in the third injection tube ST3.
Therefore, (a) the priming volume of the liquid into the entire injection tube (first injection tube ST1 to third injection tube ST3) increases.
(B) There can be many (connection) steps between components.
(C) There are problems such as a large number of parts and the labor of connecting each part, which increases the manufacturing cost.
なお、特許文献１、特許文献２には、連通部材（切断部と固定部を有する）を分岐管（第１管部、第２管部、第３管部を有する）内に配置した発明が記載されているが、当該発明は、液体を注入するための液体注入部品ではなく、前記図１１〜図１２に記載した従来の解決課題を解決できない。 Patent Document 1 and Patent Document 2 include an invention in which a communication member (having a cutting part and a fixing part) is arranged in a branch pipe (having a first pipe part, a second pipe part, and a third pipe part). Although described, the present invention is not a liquid injection component for injecting a liquid, and cannot solve the conventional problem described in FIGS.
図１２の従来の液体注入部品１０１では、
（ａ）注入チューブ全体（第１注入チューブＳＴ１〜第３注入チューブＳＴ３）中への液体のプライミングボリームが多くなる点。
（ｂ）各部品間に（接続）段差が多くできる点。
（ｃ）部品点数が多く、かつ各部品の接続の手間がかかり製造コストが高くなる点である。
In the conventional liquid injection component 101 of FIG.
(A) The priming volume of liquid into the entire injection tube (first injection tube ST1 to third injection tube ST3) increases.
(B) There are many (connection) steps between the parts.
(C) The number of parts is large, and it takes time and labor to connect each part, resulting in high manufacturing costs.
そこで本発明者は、以上の課題を解決するために鋭意検討を重ねた結果、次の発明に到達した。本発明にしたがえば、以下の液体注入部品１が提供される。
［１］本発明は、連通部材（１１）と接続部材（２１）と注入チューブ（ＳＴ）とを有し、
前記連通部材（１１）、前記接続部材（２１）及び前記注入チューブ（ＳＴ）は、長手方向と当該長手方向に略垂直に交差する側部方向とを有し、長手方向は第１端部と第２端部とを有し、
前記連通部材（１１）は、第１端部側に切断部（１２）、第２端部側に固定部（１３）を配置し、
前記固定部（１３）の第１端部側と、前記切断部（１２）の第２端部側との間に、切断領域（１４）を形成し、
前記接続部材（２１）は、第１端部側の側部方向に翼状の突起部（２２）を突設し、第２端部側の側部方向に接続部（２３）を突設し、
前記接続部材（２１）の第１端部側は、前記連通部材（１１）の固定部（１３）の第２端部側と一体に接続し、
前記接続部材（２１）の第１端部側の壁は、前記接続部材（２１）の第１端部側と前記固定部（１３）の第２端部側との間の段部（１Ｄ）を形成し、
前記注入チューブ（ＳＴ）は、第１端部側から第２端部側にわたって継ぎ目のない連続したチューブであり、
前記連通部材（１１）は、第１端部側から第２端部側に亘って、前記注入チューブ（ＳＴ）の第２端部側の内部に挿入して、前記連通部材（１１）は、全ての長手方向の外周を前記注入チューブ（ＳＴ）の第２端部側で覆い、
前記接続部材（２１）の翼状の突起部（２２）は、前記接続部材（２１）の径の大きさＤ：１００に対し、第１端部側の側部方向の大きさ（ＳＬ）を４０〜１００に形成し、
前記翼状の突起部（２２）は、第１端部側と、第２端部側の側部方向に、ウエブ（２２Ｗ）を形成した液体注入部品（１）を提供する。
Therefore, as a result of intensive studies to solve the above problems, the present inventor has reached the following invention. According to the present invention, the following liquid injection component 1 is provided.
[1] The present invention includes a communication member (11), a connection member (21), and an injection tube (ST).
The communication member (11), the connection member (21), and the injection tube (ST) have a longitudinal direction and a side direction that intersects the longitudinal direction substantially perpendicularly, and the longitudinal direction is a first end portion. A second end,
The communication member (11) has a cutting part (12) on the first end side and a fixing part (13) on the second end side,
A cutting region (14) is formed between the first end portion side of the fixing portion (13) and the second end portion side of the cutting portion (12),
The connecting member (21) has a wing-like protrusion (22) protruding in the side direction on the first end side, and a connecting part (23) in the side direction on the second end side,
The first end portion side of the connection member (21) is integrally connected to the second end portion side of the fixing portion (13) of the communication member (11),
The wall on the first end side of the connection member (21) is a step (1D) between the first end side of the connection member (21) and the second end side of the fixing part (13). Form the
The injection tube (ST) is a continuous tube that is seamless from the first end side to the second end side,
The communication member (11) is inserted into the second end side of the injection tube (ST) from the first end side to the second end side, and the communication member (11) is all longitudinal periphery has covered at the second end portion of said injection tube (ST),
The wing-like projection (22) of the connecting member (21) has a side direction size (SL) of 40 on the first end side with respect to the diameter D: 100 of the connecting member (21). Formed to ~ 100,
The wing-like protrusion (22) provides a liquid injection component (1) in which a web (22W) is formed in the first end side and the side direction on the second end side .
［２］本発明は、前記接続部材（２１）の第２端部側から第１端部側の内部壁面及び前記連通部材（１１）の固定部（１３）の第１端部側の内部壁面へ向けて、前記接続部材（２１）の第２下りテーパ（２３Ｔ）、前記接続部材（２１）の第１下りテーパ（２２Ｔ）及び前記連通部材（１１）の固定部（１３）の下りテーパ（１３Ｔ）を連続して形成した[１]に記載の液体注入部品（１）を提供する。
[３] 本発明は、[１]または[２]に記載の前記液体注入部品（１）を有する医療用具を提供する。
[４] 本発明は、血液を貯留するバッグ本体（５２）を有し、
バッグ本体（５２）は、長手方向と当該長手方向に略垂直に交差する側部方向とを有し、
前記バッグ本体（５２）は、長手方向に第１上端部と第２下端部とを有し、側部方向に第１側端部と第２側端部とを有し、
前記バッグ本体（５２）は、前記第１上端部を区画する上部壁（ＵＷ）、前記第２下端部を区画する下部壁（ＬＷ）と、前記第１側端部と前記第２側端部とを区画する側部壁（ＳＷ（ＳＷＲ、ＳＷＬ））とを有し、
前記バッグ本体（５２）は、前記上部壁（ＵＷ）に、血液を前記バッグ本体（１２）内に取り込むための血液入口（５６）を形成し、
当該血液入口（５６）は、採血チューブ（５４Ｔ）の一端部を接続し、当該採血チューブ（５４Ｔ）の他方の端部は、採血針（５４）を接続し、
前記採血チューブ（５４Ｔ）の途中に、分岐管（３０）を配置し、当該分岐管（３０）に［１］または［２］に記載の前記液体注入部品（１）を、前記注入チューブ（ＳＴ）を介して接続した血液バッグ（５１）を提供する。
[ 2 ] The present invention provides an inner wall surface from the second end side of the connecting member (21) to the first end side and an inner wall surface of the connecting member (11) on the first end side of the fixed portion (13). Toward the second downward taper (23T) of the connection member (21), the first downward taper (22T) of the connection member (21) and the downward taper of the fixing portion (13) of the communication member (11) ( 13T) is provided, and the liquid injection component (1) according to [1] is provided.
[ 3 ] The present invention provides a medical device having the liquid injection component (1) according to [1] or [2] .
[ 4 ] The present invention has a bag body (52) for storing blood,
The bag body (52) has a longitudinal direction and a side direction that intersects the longitudinal direction substantially perpendicularly.
The bag body (52) has a first upper end and a second lower end in the longitudinal direction, a first side end and a second side end in the side direction,
The bag body (52) includes an upper wall (UW) that defines the first upper end, a lower wall (LW) that defines the second lower end, the first side end, and the second side end. Side walls (SW (SWR, SWL))
The bag body (52) forms a blood inlet ( 56 ) in the upper wall (UW) for taking blood into the bag body (12),
The blood inlet (56) connects one end of a blood collection tube (54T), the other end of the blood collection tube (54T) connects a blood collection needle (54),
A branch pipe (30) is arranged in the middle of the blood collection tube (54T), and the liquid injection component (1) according to [1] or [2] is placed in the branch pipe (30) with the injection tube (ST). ) To provide a blood bag (51) connected via
本発明の液体注入部品は、以下の有利な効果を有する。
〈１〉連通部材１１と接続部材２１とを一体に接続し、これらを一部品で形成した注入チューブＳＴに接続しているので、部品点数が少なくなる。
〈２〉連通部材１１と接続部材２１の小型化を図ることができ、注入チューブＳＴ内の液体のプライミングボリュームを、省力化することができる。
〈３〉注入チューブＳＴの段差がなく、血液、輸液等のプライミング量も少なくて済むので、注入チューブＳＴ内での血液の残血、輸液の残液等を生じることがない点で優位性がある。
The liquid injection component of the present invention has the following advantageous effects.
<1> Since the communication member 11 and the connection member 21 are integrally connected and connected to the injection tube ST formed as one component, the number of components is reduced.
<2> The communication member 11 and the connection member 21 can be reduced in size, and the priming volume of the liquid in the injection tube ST can be saved.
<3> Since there is no step in the injection tube ST and the amount of priming of blood, infusion, etc. is small, there is an advantage in that no residual blood of blood, infusion of liquid, etc. are generated in the injection tube ST. is there.
〈４〉連通部材１１のほうからみれば、翼状の突起部２２は、グリップの役割を果たすので、連通部材１１の固定部１３を持ちやすくなる。さらにウエブ２２Ｗに、指を引っかけることができる。これらにより連通部材１１の切断部１２に、外から力を加えやすく、切断しやすくなる。
〈５〉接続部材２１のほうからみても、翼状の突起部２２はグリップの役割を果たすので、持ちやすく、接続部２３に装着するキャップの開閉操作がしやすい。
〈６〉さらに、連通部材１１の固定部１３と接続部材２１との間に翼状の突起部２２がある（存在する）ことにより、キャップを開閉する時に、誤って、同時に連通部材１１の切断部１２を折ってしまうような誤操作が懸念されるが、このような誤操作のリスクを解消することができる。
<4> When viewed from the communication member 11, the wing-like protrusion 22 plays a role of a grip, so that the fixing portion 13 of the communication member 11 is easily held. Furthermore, a finger can be hooked on the web 22W. Accordingly, it is easy to apply a force from the outside to the cutting portion 12 of the communication member 11 and it is easy to cut.
<5> Even when viewed from the connection member 21, the wing-like protrusion 22 plays a role of grip, so it is easy to hold and easy to open and close the cap attached to the connection 23.
<6> Further, when the cap is opened and closed by the presence of the wing-like protrusion 22 between the fixed portion 13 of the communication member 11 and the connection member 21, the cut portion of the communication member 11 is mistakenly detected at the same time. Although there is a concern about an erroneous operation that breaks 12, the risk of such an erroneous operation can be eliminated.
以下、図面を参照しながら本発明を詳細に説明する。
図１〜図５に例示するように、本発明の液体注入部品１を構成する連通部材１１、接続部材２１、その他、注入チューブＳＴ、分岐管３０等の管状（またはチューブ状、筒状という場合もある）の部材ないし当該管状の部材の形態を一部でも含む各構成部品は、長手方向と当該長手方向に略垂直に交差する側部（外周）方向とを有する。
また図６の血液バッグ５１方向に近い方向（端部）を「第１端部」、図６の採血針１４方向に近い方向（端部）［血液バッグ５１方向に遠い方向（端部）］を「第２端部」として記載する。
Hereinafter, the present invention will be described in detail with reference to the drawings.
As illustrated in FIG. 1 to FIG. 5, the communication member 11, the connection member 21, and the like that form the liquid injection component 1 of the present invention, such as the injection tube ST, the branch tube 30, etc. In addition, each component including at least part of the shape of the member or the tubular member has a longitudinal direction and a side (outer periphery) direction that intersects the longitudinal direction substantially perpendicularly.
Also, the direction (end) near the direction of blood bag 51 in FIG. 6 is the “first end”, the direction (end) near the direction of blood collection needle 14 in FIG. 6 [the direction far away from blood bag 51 (end)]. Is described as “second end”.
［液体注入部品１］
本発明の液体注入部品１は、図１〜図５に例示するように、連通部材１１と接続部材２１と液体注入チューブＳＴを有する。
連通部材１１は、図１〜図５に例示するように、第１端部側に切断部１２、第２端部側に固定部１３を配置している。
切断部１２は竿状（または棒状ないし板状という場合もある）に形成し、固定部１３は管状に形成している。図１〜図３の例示では、切断部１２を板状に形成している。
切断部１２は、長手方向に沿うように、側部方向（外周ないし外周の一部）に突部１２Ｔを突設している。切断部１２の断面は、長方形（矩形）状に形成している。
突部１２Ｔは、側部方向（長辺の表と裏）に、１８０°対向して、二箇所形成している。
切断部１２の長辺（側部方向の外径、幅という場合もある）は、固定部１３の外径よりも小さく形成している。突部１２Ｔは、第１端部側に下る方向にテーパー（図１参照）を形成している。
[Liquid injection part 1]
As illustrated in FIGS. 1 to 5, the liquid injection component 1 of the present invention includes a communication member 11, a connection member 21, and a liquid injection tube ST.
As illustrated in FIGS. 1 to 5, the communication member 11 includes a cutting portion 12 on the first end side and a fixing portion 13 on the second end side.
The cutting portion 12 is formed in a bowl shape (or may be a rod shape or a plate shape), and the fixing portion 13 is formed in a tubular shape. In the illustration of FIGS. 1-3, the cutting part 12 is formed in plate shape.
The cutting part 12 has a protruding part 12T protruding in the side part direction (outer periphery or part of the outer periphery) along the longitudinal direction. The cross section of the cutting part 12 is formed in a rectangular shape.
The protrusions 12T are formed at two locations facing each other in the lateral direction (front and back of the long side) by 180 °.
The long side of the cutting part 12 (sometimes referred to as an outer diameter or a width in the side part direction) is formed smaller than the outer diameter of the fixed part 13. The protrusion 12T forms a taper (see FIG. 1) in a direction downward toward the first end portion.
固定部１３は第１端部側で切断部１２の第２端部側と一体に接続（一体成形）している。
固定部１３の第１端部側の壁は、固定部１３の第１端部側と切断部１２の第２端部側との間の段部１１Ｄを形成する。固定部１３の第１端部側の壁を以下、「段部１１Ｄ」という。
固定部１３の第１端部側と切断部１２の第２端部側との間に切断領域１４を形成している。
切断領域１４とは図２（Ｄ）に例示するように、固定部１３の第１端部側と切断部１２の第２端部側の側部方向（外周）に形成した溝１４Ｍで、側部方向（外周）の壁を薄肉部１４Ｗに形成した箇所である。
The fixing portion 13 is integrally connected (integrally formed) to the second end portion side of the cutting portion 12 on the first end portion side.
The wall on the first end side of the fixing portion 13 forms a step portion 11D between the first end portion side of the fixing portion 13 and the second end portion side of the cutting portion 12. The wall on the first end side of the fixed portion 13 is hereinafter referred to as “step portion 11D”.
A cutting region 14 is formed between the first end portion side of the fixing portion 13 and the second end portion side of the cutting portion 12.
As illustrated in FIG. 2D, the cutting region 14 is a groove 14 </ b> M formed in the side direction (outer periphery) on the first end side of the fixing portion 13 and the second end side of the cutting portion 12, This is a place where a wall in the partial direction (outer periphery) is formed in the thin portion 14W.
接続部材２１は、図１〜図５に例示するように管状に形成し、第１端部側の側部方向（外周ないし外周の一部）に翼状の突起部２２を突設し、第２端部側の側部方向（外周ないし外周の一部）に接続部２３を突設している。
翼状の突起部２２は、略長方形（矩形）状に形成され、第１端部側の側部方向（外周ないし外周の一部）に「短辺」、長手方向に「長辺」を有する。
接続部２３は、図１〜図５の例示では螺子部であり、他の医療用具（前記段落［０００１］の記載参照）、これら医療用具の付属品（液体容器、シリンジ等の接続部：コネクタ等）と接続できるように形成したものである。
The connection member 21 is formed in a tubular shape as illustrated in FIGS. 1 to 5, and a wing-like protrusion 22 is projected in the side direction (outer periphery or part of the outer periphery) on the first end side, and the second A connecting portion 23 is provided so as to protrude in the end portion side direction (outer periphery or part of the outer periphery).
The wing-like protrusion 22 is formed in a substantially rectangular shape, and has a “short side” in the side direction (outer periphery or part of the outer periphery) on the first end side and a “long side” in the longitudinal direction.
The connection part 23 is a screw part in the illustrations of FIGS. 1 to 5, and other medical devices (see the description in the paragraph [0001]) and accessories of these medical devices (connection parts such as liquid containers and syringes: connectors) Etc.).
図１〜図５の例示では螺子部であるが、他の医療用具の接続部の形態（オス型コネクタ、メス型コネクタ）にあわせて、オス型の突起部、メス型の溝部（凹部）等にすることも」できる。
翼状の突起部２２は、接続部２１の径Ｄの大きさを、「１００」とすると、大きさＳＬ（第１端部側の側部方向に突設した「短辺」の長さ、大きさ）を「４０〜１００」に形成している。
さらに翼状の突起部２２は、第１端部側と、第２端部側の側部方向（「短辺」）に、ウエブ２２Ｗ（水かき、または板状部材、または補強部材、または掛止部材ともいう）を形成している。
Although it is a screw part in the illustration of FIGS. 1-5, according to the form (male connector, female connector) of the connection part of another medical device, a male type projection part, a female type groove part (concave part), etc. It can also be done.
When the diameter D of the connecting portion 21 is “100”, the wing-like protruding portion 22 has a size SL (the length and size of the “short side” protruding in the side direction on the first end side). ) Is formed to "40 to 100".
Further, the wing-like projection 22 is formed on the web 22W (water web, plate-like member, reinforcing member, or latching member) in the side direction ("short side") on the first end side and the second end side. Also called).
連通部材１１のほうからみれば、翼状の突起部２２は、グリップの役割を果たすので、連通部材１１の固定部１３を持ちやすくなる。さらにウエブ２２Ｗに、指を引っかけることができる。これらにより連通部材１１の切断部１３に、外から力を加えやすく、切断しやすくなる。
接続部材２１のほうからみても、翼状の突起部２２はグリップの役割を果たすので、持ちやすく、接続部２２に装着するキャップ（図８（Ａ）の符号７０参照）の開閉操作がしやすい。
さらに、連通部材１１の固定部１３と接続部材２１との間に翼状の突起部２２がある（存在する）ことにより、キャップを開放する時に、勢い余って、同時に連通部材１１の切断部１２を折ってしまうような誤操作が懸念されるがあるが、このような誤操作のリスクを解消することができる。
なお連通部材１１の固定部１３と接続部材２１との間の翼状の突起部２２がない場合、（または翼状の突起部２２の大きさＳＬが小さすぎる場合）キャップを開閉する時に、誤って、同時に連通部材１１の切断部を折ってしまうような誤操作が懸念される。
When viewed from the communication member 11, the wing-like protrusion 22 plays a role of a grip, so that the fixing portion 13 of the communication member 11 is easily held. Furthermore, a finger can be hooked on the web 22W. Accordingly, it is easy to apply a force from the outside to the cutting portion 13 of the communication member 11 and it is easy to cut.
Even when viewed from the connection member 21, the wing-like protrusion 22 serves as a grip, so it is easy to hold and easy to open and close a cap (see reference numeral 70 in FIG. 8A) attached to the connection 22.
Further, since the wing-like protrusion 22 is present (exists) between the fixed portion 13 of the communication member 11 and the connection member 21, when the cap is opened, the cutting portion 12 of the communication member 11 is simultaneously removed. Although there is concern about erroneous operation that would cause folding, the risk of such erroneous operation can be eliminated.
In addition, when there is no wing-like projection 22 between the fixed portion 13 of the communication member 11 and the connection member 21 (or when the size SL of the wing-like projection 22 is too small), when opening and closing the cap, At the same time, there is a concern about an erroneous operation that breaks the cut portion of the communication member 11.
翼状の突起部２２の大きさＳＬは、４０〜１００が好ましく、５０〜９０、６０〜８０がより好ましい。
翼状の突起部２２の大きさＳＬがあまり小さいと、前記効果を発揮しずらく好ましくない。逆に翼状の突起部２２の大きさＳＬがあまり大きいと、嵩張りすぎて操作を阻害するので好ましくない。
40-100 are preferable and, as for size SL of the wing-like projection part 22, 50-90 and 60-80 are more preferable.
If the size SL of the wing-like protrusion 22 is too small, it is not preferable because the effect is difficult to be exhibited. Conversely, if the size SL of the wing-like projection 22 is too large, it is not preferable because it is too bulky and hinders the operation.
接続部材２１の第１端部側は、連通部材１１の固定部１３の第２端部側と一体に接続（一体成形）している。
接続部材２１の第１端部側の壁は、接続部材２１の第１端部側と連通部材１１の固定部１３の第２端部側との間に段部１Ｄを形成する。接続部材２１の第１端部側の壁を以下、「段部１Ｄ」という。
The first end portion side of the connection member 21 is integrally connected (integrated molding) with the second end portion side of the fixing portion 13 of the communication member 11.
The wall on the first end side of the connection member 21 forms a step 1D between the first end side of the connection member 21 and the second end side of the fixed portion 13 of the communication member 11. The wall on the first end portion side of the connecting member 21 is hereinafter referred to as “step portion 1D”.
注入チューブＳＴは、図３に例示するように、第１端部側から第２端部側にわたって継ぎ目のない連続したチューブである。
連通部材１１は、第１端部側から第２端部側に亘って、注入チューブＳＴの第２端部側の内部（内周）に挿入している。
換言すれば連通部材１１は、全ての長手方向の外周を注入チューブＳＴの第２端部側（内周）で覆っている。
注入チューブＳＴは、第２端部側の壁面が接続部材２１の段部１Ｄに当接される。
接続部材２１は、全ての長手方向で注入チューブＳＴで覆われることなく、露出している。
As illustrated in FIG. 3, the injection tube ST is a continuous tube that is seamless from the first end side to the second end side.
The communication member 11 is inserted into the inside (inner circumference) of the second end side of the injection tube ST from the first end side to the second end side.
In other words, the communication member 11 covers the entire outer circumference in the longitudinal direction on the second end side (inner circumference) of the injection tube ST.
As for injection tube ST, the wall surface by the side of the 2nd end is contacted to step part 1D of connecting member 21.
The connecting member 21 is exposed without being covered with the injection tube ST in all longitudinal directions.
図２（Ｄ）に例示するように、接続部材２１の第２端部側から第１端部側の内部壁面、連通部材１１の固定部１３の第１端部側の内部壁面へ向けて、下りテーパ２３Ｔ（接続部材２１の第２下りテーパ）、下りテーパ２２Ｔ（接続部材２１の第１下りテーパ）、下りテーパ１３Ｔ（連通部材１１の固定部１３の下りテーパ）を連続して形成している。これにより接続部材２１の第２端部側から導入された液体を速やかに、連通部材１１の固定部１３の第１端部側へ流出させることができる。 As illustrated in FIG. 2D, from the second end side of the connection member 21 toward the inner wall surface on the first end side, the inner wall surface on the first end side of the fixing portion 13 of the communication member 11, A downward taper 23T (second downward taper of the connection member 21), a downward taper 22T (first downward taper of the connection member 21), and a downward taper 13T (downward taper of the fixing portion 13 of the communication member 11) are continuously formed. Yes. As a result, the liquid introduced from the second end portion side of the connection member 21 can quickly flow out to the first end portion side of the fixing portion 13 of the communication member 11.
分岐管３０は、図４〜図５に例示するように、第１管部３１、第２管部３２、及び第３管部３３とを有する。
第１端部側に第１管部３１、第２端部側に第２管部３２を配置し、第１管部３１と第２管部３２との間に、第３管部３３を配置している。
換言すれば、図４〜図５では、第１管部３１と第２管部３２とを直列に一体に接続（一体成形）し、第１管部３１と第２管部３２との間に第３管部３３を、所定の角度を付けて一体に接続（一体成形）している。
第３管部３３の第２端部に注入チューブＳＴの第１端部を接続している。
The branch pipe 30 includes a first pipe part 31, a second pipe part 32, and a third pipe part 33 as illustrated in FIGS. 4 to 5.
The first tube portion 31 is disposed on the first end side, the second tube portion 32 is disposed on the second end side, and the third tube portion 33 is disposed between the first tube portion 31 and the second tube portion 32. doing.
In other words, in FIGS. 4 to 5, the first tube portion 31 and the second tube portion 32 are integrally connected in series (integrated molding), and the first tube portion 31 and the second tube portion 32 are connected. The third pipe portion 33 is integrally connected (integrated molding) with a predetermined angle.
The first end portion of the injection tube ST is connected to the second end portion of the third tube portion 33.
連通部材１１の構成材料は、ポリカーボーネート等の硬質樹脂、接続部材２１、注入チューブＳＴ及び分岐管３０の構成材料はポリ塩化ビニル樹脂等の軟質樹脂ないし（半）硬質樹脂等が使用される。 The constituent material of the communication member 11 is a hard resin such as polycarbonate, and the constituent material of the connecting member 21, the injection tube ST and the branch pipe 30 is a soft resin such as polyvinyl chloride resin or a (semi) hard resin. .
［血液バッグ５１］
図６は、本発明の血液バッグ５１の一例を示す概略図である。
血液バッグ５１は、血液を貯留するバッグ本体５２を有する。
バッグ本体５２は、長手方向と当該長手方向に略垂直に交差する側部方向とを有する。
バッグ本体５２は、長手方向に第１上端部（図６で上側）と第２下端部（図６で下側）とを有し、側部方向に第１側端部（図６で右側）と第２側端部（図６で左側）とを有する。
[Blood bag 51]
FIG. 6 is a schematic view showing an example of the blood bag 51 of the present invention.
The blood bag 51 has a bag body 52 for storing blood.
The bag body 52 has a longitudinal direction and a side direction that intersects the longitudinal direction substantially perpendicularly.
The bag body 52 has a first upper end (upper side in FIG. 6) and a second lower end (lower side in FIG. 6) in the longitudinal direction, and a first side end (right side in FIG. 6) in the side direction. And a second side end (left side in FIG. 6).
バッグ本体５２は、熱溶着、超音波溶着、接着等の接着手段により、少なくともその第１上部を区画する上部壁ＵＷ、第２下部を区画する下部壁ＬＷと、第１側端部と第２側端部とを区画する側部壁ＳＷ（右側壁ＳＷＲ、左側壁ＳＷＬ）とを有している。
バッグ本体５２は、第１上端部の上部壁ＵＷに、血液をバッグ本体５２内に取り込むための血液入口５６を形成し、当該血液入口５６は、採血チューブ５４Ｔの一端部（第１端部）を接続し、当該採血チュー５４Ｔの他方の端部（第２端部）には、採血針５４を接続している。
The bag main body 52 includes at least an upper wall UW that defines a first upper portion, a lower wall LW that defines a second lower portion, a first side end portion, and a second portion by an adhesion means such as heat welding, ultrasonic welding, and adhesion. It has side wall SW (right side wall SWR, left side wall SWL) that divides the side end.
The bag body 52 forms a blood inlet 56 for taking blood into the bag body 52 in the upper wall UW of the first upper end, and the blood inlet 56 is one end (first end) of the blood collection tube 54T. A blood collection needle 54 is connected to the other end (second end) of the blood collection chew 54T.
バッグ本体５２は、第１上端部の上部壁ＵＷに、複数の輸血口５３（図６の例示では二個）を装着している。
輸血口５３は、バッグ本体５２内に保存した血液を排出するためのものである。輸血口５３が汚染されないように、プロテクタ５５（保護カバーともいう）で覆っている。
The bag main body 52 is equipped with a plurality of blood transfusion ports 53 (two in the illustration of FIG. 6) on the upper wall UW of the first upper end.
The blood transfusion port 53 is for discharging blood stored in the bag body 52. The blood transfusion port 53 is covered with a protector 55 (also called a protective cover) so as not to be contaminated.
バッグ本体５２を構成する材料として、例えばポリ塩化ビニル、ポリエチレン、ポリプロピレン等のポリオレフィンのように可撓性合成樹脂が好ましく用いられる。
バッグ本体５２内には、採血時または輸血保存時における血液の凝固の防止または保存のために、例えばＡＣＤ液、ＣＰＤ液、ＣＰＤＡ液のような抗凝固剤やＭＡＰ液のような赤血球保存液を収納している。
As a material constituting the bag body 52, for example, a flexible synthetic resin such as polyolefin such as polyvinyl chloride, polyethylene, or polypropylene is preferably used.
In the bag body 52, an anticoagulant such as an ACD solution, a CPD solution, or a CPDA solution, or a red blood cell storage solution such as a MAP solution is used for preventing or storing blood coagulation during blood collection or transfusion storage. Stored.
本発明の実施例の液体注入部品１［図７（Ａ）］と従来の比較例の液体注入部品１０１［図７（Ｂ）］を、比較すると、本発明は、
〈１〉連通部材１１と接続部材２１とを一体に接続し、これらを一部品で形成した注入チューブＳＴに接続しているので、比較例よりも部品点数が少なくなる。
〈２〉比較例よりも、連通部材１１と接続部材２１の小型化を図ることができ、注入チューブＳＴ内の液体のプライミングボリュームを、省力化することができる。
〈３〉注入チューブＳＴの段差がなく、血液、輸液等のプライミング量も少なくて済むので、比較例よりも注入チューブＳＴ内での血液の残血、輸液の残液等を生じることがない点で優位性がある。
Comparing the liquid injection part 1 of the embodiment of the present invention [FIG. 7A] and the liquid injection part 101 of the conventional comparative example [FIG. 7B], the present invention
<1> Since the communication member 11 and the connection member 21 are integrally connected and connected to the injection tube ST formed of a single component, the number of components is smaller than that of the comparative example.
<2> The communication member 11 and the connection member 21 can be made smaller than in the comparative example, and the priming volume of the liquid in the injection tube ST can be saved.
<3> Since there is no step in the injection tube ST and the amount of priming of blood, infusion, etc. is small, residual blood in the infusion tube ST, residual infusion, etc. are not generated as compared with the comparative example. There is an advantage.
図８〜図１０に、液体注入部品１を装着した血液バッグ５１の使用方法の実施例について説明する。
図８は、液体注入部品１を装着した血液バッグ５１の使用方法の第一実施例を示す概略図である。
図中、符号８０は輸液セット８０である。輸液セット８０について、以下簡単に説明する。
輸液セット８０は、輸液チューブ８１と点滴筒８２とを有する。輸液チューブ８１の第１端部側に接続部材（コネクタ等）８３を接続している。輸液チューブ８１の第２端部側には、点滴筒８２の第１端部側に接続している。点滴筒８２の第２端部側には、接続部材８４（コネクタ、プラスチック針等）を接続し、液体容器８５の口部に接続している。
液体容器８５中には、採血者へ導入する補液（例えば、生理食塩水溶液、デキストラン等の電解質溶液）が充填されている。
図８（Ａ）の液体注入部品１は、（前記詳述した図４、図５の状態で）注入チューブＳＴの液体流路を遮断（閉塞）している。接続部材２１の接続部２３は、通常、キャップ７０等で覆われる。
8 to 10, an embodiment of a method for using the blood bag 51 to which the liquid injection component 1 is attached will be described.
FIG. 8 is a schematic view showing a first embodiment of a method for using the blood bag 51 to which the liquid injection component 1 is attached.
In the figure, reference numeral 80 denotes an infusion set 80. The infusion set 80 will be briefly described below.
The infusion set 80 includes an infusion tube 81 and a drip tube 82. A connection member (connector or the like) 83 is connected to the first end side of the infusion tube 81. A second end side of the infusion tube 81 is connected to the first end side of the drip tube 82. A connecting member 84 (connector, plastic needle, etc.) is connected to the second end side of the drip tube 82 and connected to the mouth of the liquid container 85.
The liquid container 85 is filled with a replacement fluid (for example, an electrolyte solution such as a physiological saline solution or dextran) to be introduced into a blood sampler.
The liquid injection component 1 in FIG. 8A blocks (closes) the liquid flow path of the injection tube ST (in the state of FIGS. 4 and 5 described in detail above). The connection part 23 of the connection member 21 is usually covered with a cap 70 or the like.
採血針５４を採血者に刺し、採血者から血液を、採血チューブ５４Ｔ、血液入口５６を経て、血液バッグ５１のバッグ本体５２内に導入する。図８（Ｂ）に例示するように、分岐管３０の第１端部側の途中から、採血チューブ５４Ｔとバッグ本体５０を、ハンドシーラー等（図示せず）で切り離す。図中、Ｓはシール部である。
図８（Ｂ）に例示するように、接続部材２１の接続部２３に、輸液セット８０の接続部材８３を接続する。
連通部材１１の切断部１２を、切断領域１４より切断し、注入チューブＳＴの液体流路を開通させる。
輸液セット８０（点滴筒８２）の第２端部側に接続された液体容器８５中の液体を、輸液チユーブ８１、注入チューブＳＴ、採血チューブ５４Ｔを経て、採血者に供給（導入）する。
The blood collection needle 54 is inserted into the blood sampler, and blood from the blood sampler is introduced into the bag body 52 of the blood bag 51 through the blood collection tube 54T and the blood inlet 56. As illustrated in FIG. 8B, the blood collection tube 54T and the bag body 50 are separated from the middle of the branch tube 30 on the first end side by a hand sealer or the like (not shown). In the figure, S is a seal part.
As illustrated in FIG. 8B, the connection member 83 of the infusion set 80 is connected to the connection portion 23 of the connection member 21.
The cutting part 12 of the communication member 11 is cut from the cutting region 14, and the liquid flow path of the injection tube ST is opened.
The liquid in the liquid container 85 connected to the second end side of the infusion set 80 (infusion tube 82) is supplied (introduced) to the blood collector via the infusion tube 81, the infusion tube ST, and the blood collection tube 54T.
図９は、液体注入部品１を装着した血液バッグ５１の使用方法の第二の実施例を示す概略図である。図中の符号９０は、採血者から採血用の血液を採血するシリンジ９０である。シリンジ９０の第１端部側は、接続部材２１の接続部２３と接続できる接続部９２（コネクタ等）が接続されている。
図９（Ａ）に例示するように、接続部材２１の接続部２３に、シリンジ９０を接続する。採血針５４を採血者に穿刺して、連通部材１１の切断部１２を、切断領域１４より切断して、注入チューブＴの液体流路を開通させる。
検査用の血液を、採血チューブ５４Ｔ、注入チューブＳＴを経て、シリンジ９０内に採取する。
FIG. 9 is a schematic view showing a second embodiment of the method of using the blood bag 51 to which the liquid injection component 1 is attached. Reference numeral 90 in the figure denotes a syringe 90 that collects blood for blood collection from a blood sampler. A connecting portion 92 (connector or the like) that can be connected to the connecting portion 23 of the connecting member 21 is connected to the first end portion side of the syringe 90.
As illustrated in FIG. 9A, the syringe 90 is connected to the connection portion 23 of the connection member 21. The blood collection needle 54 is punctured by the blood sampler, and the cutting portion 12 of the communication member 11 is cut from the cutting region 14 to open the liquid flow path of the injection tube T.
Test blood is collected in the syringe 90 through the blood collection tube 54T and the injection tube ST.
採血後は、図９（Ｂ）に例示するように、注入チューブＳＴを、鉗子（クランプ）９１で閉めて液体流路を閉塞する。さらに前記図８（Ｂ）と同様に、接続部材２１の接続部２３に、接続部８３を接続し、輸液セット８０（点滴筒８２）の第２端部側に接続された液体容器８５中の液体を、輸液チユーブ８１、注入チューブＳＴ、採血チューブ５４Ｔを経て、採血者に供給（導入）する。 After blood collection, as illustrated in FIG. 9B, the injection tube ST is closed with forceps (clamp) 91 to close the liquid flow path. Further, as in FIG. 8B, the connection portion 83 is connected to the connection portion 23 of the connection member 21, and the liquid container 85 connected to the second end side of the infusion set 80 (infusion tube 82) The liquid is supplied (introduced) to the blood sampler via the infusion tube 81, the injection tube ST, and the blood collection tube 54T.
図１０は、液体注入部品１を装着した血液バッグ５１の使用方法の第三の実施例を示す概略図である。第三の実施例では、二個以上の血液バッグ（５１、５１´）を使用して、採血を行う実施例である。第二の血液バッグ５１´では、採血針５４に代えて、接続部材２１の接続部２３に、接続できる接続部９３（コネクタ等）を接続している。
第一の血液バッグ５１に、図８（Ａ）、（Ｂ）と同様に採血を行う。
図１０（Ｂ）に例示するように第一の血液バッグ５１に、採血終了後、接続部材２１の接続部２３に、第二の血液バッグ５１´の接続部９３を接続する。
第二の血液バッグ５１´の連通部材１１´を、第一の血液バッグ５１の連通部材１１と同様に切断し、第一の血液バッグ５１と同様に、採血を行う。
FIG. 10 is a schematic view showing a third embodiment of the method of using the blood bag 51 to which the liquid injection component 1 is attached. In the third embodiment, blood collection is performed using two or more blood bags (51, 51 '). In the second blood bag 51 ′, instead of the blood collection needle 54, a connection portion 93 (connector or the like) that can be connected is connected to the connection portion 23 of the connection member 21.
Blood is collected in the first blood bag 51 in the same manner as in FIGS.
As illustrated in FIG. 10B, the connection part 93 of the second blood bag 51 ′ is connected to the connection part 23 of the connection member 21 after the blood collection is finished in the first blood bag 51.
The communication member 11 ′ of the second blood bag 51 ′ is cut in the same manner as the communication member 11 of the first blood bag 51, and blood is collected in the same manner as the first blood bag 51.
第二実施例、第三実施例のように、注入チューブＳＴ（第二の血液バッグ５１´の注入チューブＳＴ´も同じ）内に血液を流通させる際に、本願発明は、注入チューブＳＴは、単一の連続したチューブより形成されているので、従来の径の異なる二種類のチューブ（ＳＴ１、ＳＴ２、ＳＴ３）を三部品使用した液体注入部品と比較して、血液のプライミング量（通過量）も少なくて済み、チューブ内の段差がなく、チューブ内での血液の残血等を生じることがない点で優位性がある。 As in the second embodiment and the third embodiment, when blood is circulated in the injection tube ST (the same applies to the injection tube ST ′ of the second blood bag 51 ′), the present invention provides the injection tube ST, Since it is formed from a single continuous tube, the blood priming amount (passage amount) is compared with a liquid injection component using three types of tubes (ST1, ST2, ST3) with different diameters. This is advantageous in that it requires less, there are no steps in the tube, and there is no residual blood in the tube.
１ 液体注入部品
１Ｄ 段部
１１ 連通部材
１１Ｄ 段部
１２ 切断部
１２Ｔ 突部
１３ 固定部
１３Ｔ 下りテーパ
１４ 切断領域
１４Ｍ 溝
１４Ｗ 薄肉部
２１ 接続部材
２２ 翼状の突起部
２２Ｔ 下りテーパ
２２Ｗ ウエブ（みずかき）
２３ 接続部
２３Ｔ 下りテーパ
ＳＴ 注入チューブ
３０ 分岐管
３１ 第１管部
３２ 第２管部
３３ 第３管部
５１ 血液バッグ
５２ バッグ本体
５３ 輸血口
５４ 採血針
５５ プロテクタ
５６ 血液入口
ＵＷ 上部壁
ＬＷ 下部壁
ＳＷ 側部壁
ＳＷＬ 左側部壁
ＳＷＲ 右側部壁
５４Ｔ 採血チューブ
Ｌ ラベル
７０ キャップ
８０ 輸液セット
８１ 輸液チューブ
８２ 点滴筒
８３ 接続部
８４ 接続部
８５ 液体容器
９０ シリンジ
９１ かん子
９２ 接続部
９３ 接続部
DESCRIPTION OF SYMBOLS 1 Liquid injection | pouring part 1D Step part 11 Communication member 11D Step part 12 Cutting part 12T Projection part 13 Fixed part 13T Down taper 14 Cutting area 14M Groove 14W Thin part 21 Connecting member 22 Wing-like projection part 22T Down taper 22W Web
23 Connecting portion 23T Downward taper ST Injection tube 30 Branch tube 31 First tube portion 32 Second tube portion 33 Third tube portion 51 Blood bag 52 Bag body 53 Blood inlet 54 Blood collection needle 55 Protector 56 Blood inlet UW Upper wall LW Lower wall SW side wall SWL left side wall SWR right side wall 54T blood collection tube L label 70 cap 80 infusion set 81 infusion tube 82 drip tube 83 connection part 84 connection part 85 liquid container 90 syringe 91 canister 92 connection part 93 connection part
Claims (4)
前記連通部材（１１）、前記接続部材（２１）及び前記注入チューブ（ＳＴ）は、長手方向と当該長手方向に略垂直に交差する側部方向とを有し、長手方向は第１端部と第２端部とを有し、
前記連通部材（１１）は、第１端部側に切断部（１２）、第２端部側に固定部（１３）を配置し、
前記固定部（１３）の第１端部側と、前記切断部（１２）の第２端部側との間に、切断領域（１４）を形成し、
前記接続部材（２１）は、第１端部側の側部方向に翼状の突起部（２２）を突設し、第２端部側の側部方向に接続部（２３）を突設し、
前記接続部材（２１）の第１端部側は、前記連通部材（１１）の固定部（１３）の第２端部側と一体に接続し、
前記接続部材（２１）の第１端部側の壁は、前記接続部材（２１）の第１端部側と前記固定部（１３）の第２端部側との間の段部（１Ｄ）を形成し、
前記注入チューブ（ＳＴ）は、第１端部側から第２端部側にわたって継ぎ目のない連続したチューブであり、
前記連通部材（１１）は、第１端部側から第２端部側に亘って、前記注入チューブ（ＳＴ）の第２端部側の内部に挿入して、前記連通部材（１１）は、全ての長手方向の外周を前記注入チューブ（ＳＴ）の第２端部側で覆い、
前記接続部材（２１）の翼状の突起部（２２）は、前記接続部材（２１）の径の大きさＤ：１００に対し、第１端部側の側部方向の大きさ（ＳＬ）を４０〜１００に形成し、
前記翼状の突起部（２２）は、第１端部側と、第２端部側の側部方向に、ウエブ（２２Ｗ）を形成したことを特徴とする液体注入部品（１）。 A communication member (11), a connection member (21), and an injection tube (ST);
The communication member (11), the connection member (21), and the injection tube (ST) have a longitudinal direction and a side direction that intersects the longitudinal direction substantially perpendicularly, and the longitudinal direction is a first end portion. A second end,
The communication member (11) has a cutting part (12) on the first end side and a fixing part (13) on the second end side,
A cutting region (14) is formed between the first end portion side of the fixing portion (13) and the second end portion side of the cutting portion (12),
The connecting member (21) has a wing-like protrusion (22) protruding in the side direction on the first end side, and a connecting part (23) in the side direction on the second end side,
The first end portion side of the connection member (21) is integrally connected to the second end portion side of the fixing portion (13) of the communication member (11),
The wall on the first end side of the connection member (21) is a step (1D) between the first end side of the connection member (21) and the second end side of the fixing part (13). Form the
The injection tube (ST) is a continuous tube that is seamless from the first end side to the second end side,
The communication member (11) is inserted into the second end side of the injection tube (ST) from the first end side to the second end side, and the communication member (11) is all longitudinal periphery has covered at the second end portion of said injection tube (ST),
The wing-like projection (22) of the connecting member (21) has a side direction size (SL) of 40 on the first end side with respect to the diameter D: 100 of the connecting member (21). Formed to ~ 100,
The liquid injection component (1), wherein the wing-like projection (22) has a web (22W) formed in a first end portion side and a second end portion side direction .
前記バッグ本体（５２）は、長手方向に第１上端部と第２下端部とを有し、側部方向に第１側端部と第２側端部とを有し、
前記バッグ本体（５２）は、前記第１上端部を区画する上部壁（ＵＷ）、前記第２下端部を区画する下部壁（ＬＷ）と、前記第１側端部と前記第２側端部とを区画する側部壁（ＳＷ（ＳＷＲ、ＳＷＬ））とを有し、
前記バッグ本体（５２）は、前記上部壁（ＵＷ）に、血液を前記バッグ本体（１２）内に取り込むための血液入口（５６）を形成し、
当該血液入口（５６）は、採血チューブ（５４Ｔ）の一端部を接続し、当該採血チューブ（５４Ｔ）の他方の端部は、採血針（５４）を接続し、
前記採血チューブ（５４Ｔ）の途中に、分岐管（３０）を配置し、当該分岐管（３０）に請求項１または請求項２に記載の前記液体注入部品（１）を、前記注入チューブ（ＳＴ）を介して接続したことを特徴とする血液バッグ（５１）。 A bag body (52) for storing blood, the bag body (52) having a longitudinal direction and a side direction substantially perpendicular to the longitudinal direction;
The bag body (52) has a first upper end and a second lower end in the longitudinal direction, a first side end and a second side end in the side direction,
The bag body (52) includes an upper wall (UW) that defines the first upper end, a lower wall (LW) that defines the second lower end, the first side end, and the second side end. Side walls (SW (SWR, SWL))
The bag body (52) forms a blood inlet ( 56 ) in the upper wall (UW) for taking blood into the bag body (12),
The blood inlet (56) connects one end of a blood collection tube (54T), the other end of the blood collection tube (54T) connects a blood collection needle (54),
A branch pipe (30) is arranged in the middle of the blood collection tube (54T), and the liquid injection component (1) according to claim 1 or 2 is connected to the injection tube (ST) in the branch pipe (30). A blood bag (51), characterized in that it is connected via a).
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