JP3120496U - Coupler connector and medical device - Google Patents
Coupler connector and medical device Download PDFInfo
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- JP3120496U JP3120496U JP2006000246U JP2006000246U JP3120496U JP 3120496 U JP3120496 U JP 3120496U JP 2006000246 U JP2006000246 U JP 2006000246U JP 2006000246 U JP2006000246 U JP 2006000246U JP 3120496 U JP3120496 U JP 3120496U
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Abstract
【課題】スムーズに装着できるとともに液密性を維持することができ、さらにカプラへのカプラコネクタ（本体）の挿入位置の誤認も防ぐことができるカプラコネクタを提供する。
【解決手段】本体２の内部は、血液処理装置のカプラが装着される内部空間３を有し、本体２は、弾性を有する軟質材料により形成され、前方に先端開口部４が形成され、先端開口部４の後方内面にテーパ部５が形成され、テーパ部５に連続してその後方にストレート部６が形成され、ストレート部６の内径（Ｄ１）を、テーパ部５の略中間部の内径（Ｄ２）よりも小さく形成し、ストレート部６内面とカプラ外面との密着のみで、液密性を維持することができるように形成したカプラコネクタ１。
【選択図】図１Provided is a coupler connector that can be smoothly mounted, can maintain liquid tightness, and can prevent an erroneous insertion position of a coupler connector (main body) into a coupler.
An inside of a main body 2 has an internal space 3 in which a coupler of a blood treatment apparatus is mounted. The main body 2 is formed of a soft material having elasticity, and a front end opening 4 is formed in front thereof. A taper portion 5 is formed on the rear inner surface of the opening 4, and a straight portion 6 is formed continuously behind the taper portion 5, and the inner diameter (D 1) of the straight portion 6 is set to the inner diameter of a substantially intermediate portion of the taper portion 5. Coupler connector 1 formed to be smaller than (D2) and formed so that liquid tightness can be maintained only by close contact between the straight portion 6 inner surface and the coupler outer surface.
[Selection] Figure 1
Description
本考案は、血漿分離器、血漿成分分離器、血液透析器等の血液処理器のカプラ（血漿（成分）、透析液等の出入口ともいう）に接続されるカプラコネクタの改良に関するもので、特に血液処理器のカプラとの液蜜性、装着（挿入）性を良好にしたカプラコネクタ及び医療用具である。 The present invention relates to an improvement of a coupler connector connected to a coupler (also referred to as an inlet / outlet port of plasma (component) or dialysate) of a blood treatment device such as a plasma separator, a plasma component separator, or a hemodialyzer. A coupler connector and a medical device that have good lyeability and attachment (insertion) properties with a coupler of a blood treatment device.
図５は、従来のカプラコネクタ６１の概略図、図６、図７はそれぞれカプラ８１（血液透析器）、カプラ９１［血漿分離器（血漿成分分離器）］の一例を示す概略図である。
カプラコネクタ６１は、弾性を有する軟質の材料により形成され、図５のように、本体６２の壁面は肉厚に形成され、本体６２の先端開口部６４の後方内面に突起（アンダーカットともいう）６５を形成したものが使用されている。
血液透析器のカプラ８１は、図６のように、本体８２の先端に小径部８３を形成し、中間部に、カプラコネクタ６１の突起６５を係合する環状の溝部８４を形成したものが国際規格で定められて使用されている。
また血漿分離器（血漿成分分離器）のカプラ９１は、図７のように、環状の溝部９４の両側の外周面に、さらに複数の凹凸９５を形成したものが使用されている。
カプラコネクタ６１は、カプラ８１、９１に装着するときは、図８のように、突起６５が、カプラ９１（８１）の前方部分を乗り越えて、溝部９４（８４）に係合し、本体６２の軟らかい内面がカプラ９１（８１）の外面に密着することにより、液密性を維持できるようにしている。
ところがカプラコネクタ６１は、カプラ９１に装着する場合、内面の突起６５が、溝部９４に係合する前に、凹凸９５に突き当たるため、作業者がカプラ９１への適正な装着（挿入）位置を誤認しやすかった。装着（挿入）位置がずれると、液密性を維持できない場合があった。
FIG. 5 is a schematic view of a conventional coupler connector 61, and FIGS. 6 and 7 are schematic views showing an example of a coupler 81 (hemodialyzer) and a coupler 91 [plasma separator (plasma component separator)], respectively.
The coupler connector 61 is formed of an elastic soft material. As shown in FIG. 5, the wall surface of the main body 62 is formed thick, and a protrusion (also referred to as an undercut) is formed on the rear inner surface of the front end opening 64 of the main body 62. What formed 65 is used.
As shown in FIG. 6, the hemodialyzer coupler 81 is formed by forming a small-diameter portion 83 at the tip of the main body 82 and forming an annular groove 84 engaging the projection 65 of the coupler connector 61 at the intermediate portion. Used in accordance with the standard.
Further, as shown in FIG. 7, a coupler 91 of a plasma separator (plasma component separator) is used in which a plurality of irregularities 95 are further formed on the outer peripheral surfaces on both sides of the annular groove portion 94.
When the coupler connector 61 is attached to the couplers 81 and 91, as shown in FIG. 8, the projection 65 climbs over the front portion of the coupler 91 (81) and engages with the groove 94 (84). The soft inner surface is in close contact with the outer surface of the coupler 91 (81), so that liquid tightness can be maintained.
However, when the coupler connector 61 is attached to the coupler 91, the protrusion 65 on the inner surface hits the unevenness 95 before engaging with the groove portion 94, so that the operator misidentifies the proper attachment (insertion) position to the coupler 91. It was easy. If the mounting (insertion) position is shifted, liquid tightness may not be maintained.
なお特許文献１（特開２００５−３４２１２６）には、カプラコネクタを弾性を有する樹脂材料で成形し、さらにダイアライザ（血液透析器）の流入口または流出口（カプラ）に弾性を利用して嵌合させる旨、さらにカプラコネクタの液体流路の側壁が段差のないように連続的に形成し、透析液がカプラコネクタの内部で滞留するのを防止する旨が開示されている。
また特許文献２（特開平１１−５７４１９）には、カプラコネクタの内面をテーパに形成し、カプラの径に影響なくシールできる旨が開示されている。
Patent Document 2 (Japanese Patent Laid-Open No. 11-57419) discloses that the inner surface of a coupler connector is tapered so that it can be sealed without affecting the diameter of the coupler.
本考案が解決しようとする問題点は、外周面に複数の凹凸９５を形成したカプラ９１に、内面に突起６５を形成したカプラコネクタ６１を装着する場合、突起６５が、溝部９４に係合する前に、凹凸９５に突き当たるため、作業者がカプラ９１への適正な装着（挿入）位置を誤認しやすい点である。
なお特許文献１、２には、これらの課題と当該を解決する手段については、記載ないし示唆されていない。特許文献１、２に記載の発明を組み合わせても当該課題は解決できない。
The problem to be solved by the present invention is that when the coupler connector 61 having the protrusion 65 on the inner surface is attached to the coupler 91 having the plurality of irregularities 95 on the outer peripheral surface, the protrusion 65 engages with the groove portion 94. Since it hits against the unevenness 95 before, it is easy for an operator to mistake the proper mounting (insertion) position on the coupler 91.
Patent Documents 1 and 2 do not describe or suggest these problems and means for solving the problems. Even if the inventions described in Patent Documents 1 and 2 are combined, the problem cannot be solved.
そこで本考案者は、以上の課題を解決するために鋭意検討を重ねた結果、以下の考案に到達した。
［１］本考案は、本体（２）の内部は、血液処理装置のカプラ（３１）が装着される内部空間（３）を有し、
本体（２）は、弾性を有する軟質材料により形成され、前方に先端開口部（４）が形成され、当該先端開口部（４）の後方内面にテーパ部（５）が形成され、当該テーパ部（５）に連続してその後方にストレート部（６）が形成され、
前記ストレート部（６）の内径（Ｄ１）を、テーパ部（５）の略中間部の内径（Ｄ２）よりも小さく形成し、
前記ストレート部（６）内面とカプラ（３１）外面との密着のみで、液密性を維持することができるように形成したカプラコネクタ（１）を提供する。
［２］本考案は、前記先端開口部（４）付近の内面は、勾配が比較的急なテーパ（Ｔ１）が形成され、内部空間（３）のテーパ部（５）は、前記テーパ（Ｔ１）と比較して比較的緩やかなテーパ（Ｔ２）が形成されている［１］に記載のカプラコネクタ（１）を提供する。
［３］本考案は、本体（３２）の中間部に溝部（３４）を形成し、当該溝部（３４）の前方に凹凸（３５）を形成したカプラ（３１）と、
本体（２）の内部に、前記カプラ（３１）が装着される空間（３）を有し、
本体（２）は、弾性を有する軟質材料により形成され、前方に先端開口部（４）が形成され、当該先端開口部（４）の後方内面にテーパ部（５）が形成され、当該テーパ部（５）に連続してその後方にストレート部（６）が形成され、
前記ストレート部（６）の内径（Ｄ１）を、テーパ部（５）の略中間部の内径（Ｄ２）よりも小さく形成したカプラコネクタ（１）を含み、
カプラコネクタ（１）の本体（２）のストレート部（６）内面とカプラ（３１）の本体（３２）の外面との密着のみで、液密性を維持することができるように形成した医療用具を提供する。
［４］本考案は、カプラコネクタ（１）の先端開口部（４）より、カプラ（３１）を内部空間（３）に装着するとき、カプラ（３１）は、テーパ（Ｔ２）に沿って、内部空間（３）に侵入し、
本体（２）のストレート部（６）付近の内壁面は、カプラ（３１）の前方部により、若干外側に押し広げられ、
カプラコネクタ（１）自体の反発弾性により、元の寸法に戻ろうとする締め付け圧力により、本体（２）のストレート部（６）の内面とカプラ（３１）の本体（３２）の外面との密着のみで、液密性を維持することができる［３］に記載の医療用具を提供する。
Therefore, as a result of intensive studies to solve the above problems, the present inventor has reached the following idea.
[1] In the present invention, the interior of the main body (2) has an internal space (3) in which the coupler (31) of the blood processing apparatus is mounted,
The main body (2) is formed of a soft material having elasticity, the front end opening (4) is formed in the front, the taper part (5) is formed on the rear inner surface of the front end opening (4), and the taper part Continuing to (5), a straight part (6) is formed behind it,
An inner diameter (D1) of the straight portion (6) is smaller than an inner diameter (D2) of a substantially middle portion of the tapered portion (5);
Provided is a coupler connector (1) formed so that liquid tightness can be maintained only by close contact between the inner surface of the straight portion (6) and the outer surface of a coupler (31).
[2] In the present invention, a taper (T1) having a relatively steep slope is formed on the inner surface in the vicinity of the tip opening (4), and the taper (5) of the internal space (3) is formed by the taper (T1). The coupler connector (1) according to [1], wherein a relatively gentle taper (T2) is formed as compared with (1).
[3] The present invention includes a coupler (31) in which a groove (34) is formed in an intermediate portion of the main body (32), and an unevenness (35) is formed in front of the groove (34).
The body (2) has a space (3) in which the coupler (31) is mounted,
The main body (2) is formed of a soft material having elasticity, the front end opening (4) is formed in the front, the taper part (5) is formed on the rear inner surface of the front end opening (4), and the taper part Continuing to (5), a straight part (6) is formed behind it,
A coupler connector (1) having an inner diameter (D1) of the straight portion (6) smaller than an inner diameter (D2) of a substantially middle portion of the taper portion (5);
A medical device formed so that the liquid tightness can be maintained only by the close contact between the inner surface of the straight portion (6) of the main body (2) of the coupler connector (1) and the outer surface of the main body (32) of the coupler (31). I will provide a.
[4] In the present invention, when the coupler (31) is attached to the internal space (3) from the tip opening (4) of the coupler connector (1), the coupler (31) is along the taper (T2), Entering the internal space (3),
The inner wall surface near the straight portion (6) of the main body (2) is slightly spread outward by the front portion of the coupler (31),
Due to the rebound resilience of the coupler connector (1) itself, only the close contact between the inner surface of the straight part (6) of the main body (2) and the outer surface of the main body (32) of the coupler (31) due to the tightening pressure to return to the original dimensions. The medical device according to [3], which can maintain liquid tightness.
本考案のカプラコネクタ１は、従来のカプラコネクタ６１の内面の突起６５を削除し、先端開口部４の後方内面にテーパ部５を形成し、当該テーパ部５に連続してその後方にストレート部６が形成し、ストレート部６の内径Ｄ１を、テーパ部５の略中間部の内径Ｄ２よりも小さく形成しているので、カプラ３１に装着するとき、溝部３４の前方の凹凸３５に、引っ掛かることなく、スムーズに装着でき、カプラコネクタ１（本体２）の内壁面とカプラ３１（本体３２）の外面の密着のみで、液密性を維持することができる。
またカプラ３１へのカプラコネクタ１（本体２）の挿入位置の誤認も防ぐことができる。（従来のカプラコネクタ６１のように、作業者がカプラ９１への適正な装着（挿入）位置を誤認することはない。）
In the coupler connector 1 of the present invention, the protrusion 65 on the inner surface of the conventional coupler connector 61 is deleted, the taper portion 5 is formed on the rear inner surface of the tip opening 4, and the straight portion is continuous behind the taper portion 5. 6 is formed, and the inner diameter D1 of the straight portion 6 is formed smaller than the inner diameter D2 of the substantially middle portion of the taper portion 5, and therefore, when attached to the coupler 31, it is caught by the unevenness 35 in front of the groove portion 34. Therefore, the liquid-tightness can be maintained only by the close contact between the inner wall surface of the coupler connector 1 (main body 2) and the outer surface of the coupler 31 (main body 32).
In addition, erroneous recognition of the insertion position of the coupler connector 1 (main body 2) into the coupler 31 can be prevented. (As in the conventional coupler connector 61, the operator does not mistake the proper mounting (insertion) position on the coupler 91.)
［カプラコネクタ１］
図１は、本考案のカプラコネクタの断面図、図２はカプラコネクタの一部切欠断面図、図３は図２のＡ矢視図である。
図１及び図２に例示するように、本考案のカプラコネクタ１は、弾性を有する軟質の材料により形成され、略円筒状の本体２を有し、本体２の内部は、（血液処理装置の）カプラ３１が装着される内部空間３を有する。
本体２は前方に先端開口部４が形成され、先端開口部４の後方内面にテーパ部５が形成され、さらにテーパ部５に連続してストレート部６が形成されている。
先端開口部４付近の内面は、勾配が比較的急なテーパＴ１が形成され、内部空間３のテーパ部５は（前記テーパＴ１と比較して）比較的緩やかなテーパＴ２形成されている。
さらにストレート部６の後方内面に段部７が形成され、段部７の後方に底部８が形成され、底部８の後方にチューブ接続部１０が形成されている。
底部８には液体通路９が形成され、本体２の内部空間３［に装着された血液処理装置のカプラ３１］とチューブ接続部１０を連通している。
本体２は、ストレート部６の内径Ｄ１を、テーパ部５の略中間部の内径Ｄ２よりも
小さく形成している。
また本体２には、必要に応じて、連結部２３を介して、キャップ２１を装着しても良い。キャップ２１は、少なくとも略筒状の本体２２と蓋２４を有するものであれば何でも良い。
[Coupler connector 1]
1 is a cross-sectional view of a coupler connector according to the present invention, FIG. 2 is a partially cut-away cross-sectional view of the coupler connector, and FIG. 3 is a view taken in the direction of arrow A in FIG.
As illustrated in FIGS. 1 and 2, a coupler connector 1 of the present invention is formed of an elastic soft material and has a substantially cylindrical main body 2. ) It has an internal space 3 in which the coupler 31 is mounted.
The main body 2 has a front end opening 4 formed on the front side, a taper portion 5 formed on the rear inner surface of the front end opening 4, and a straight portion 6 formed continuously from the taper portion 5.
A taper T1 having a relatively steep slope is formed on the inner surface in the vicinity of the tip opening 4, and a taper 5 in the inner space 3 is formed as a relatively gentle taper T2 (compared to the taper T1).
Further, a step portion 7 is formed on the rear inner surface of the straight portion 6, a bottom portion 8 is formed behind the step portion 7, and a tube connecting portion 10 is formed behind the bottom portion 8.
A liquid passage 9 is formed in the bottom portion 8, and the tube connection portion 10 communicates with the internal space 3 of the main body 2 [coupler 31 of the blood treatment apparatus mounted in the internal space 3].
The main body 2 is formed such that the inner diameter D1 of the straight portion 6 is smaller than the inner diameter D2 of the substantially middle portion of the taper portion 5.
Moreover, you may mount | wear with the cap 21 via the connection part 23 to the main body 2 as needed. The cap 21 may be anything as long as it has at least a substantially cylindrical main body 22 and a lid 24.
［カプラコネクタ１とカプラ３１の装着］
図４に例示するように、カプラコネクタ１の先端開口部４より、カプラ３１を内部空間３に装着するとき、カプラ３１の前方部（細径部３３と凹凸３５）は、引っ掛かることなく、テーパＴ１、テーパＴ２に沿って、スムーズに内部空間３に侵入する。
本体２のストレート部６付近の内壁面は、カプラ３１の前方部（細径部３３と凹凸３５）により、若干外側に押し広げられ、カプラコネクタ１自体の反発弾性により、元の寸法に戻ろうとする締め付け圧力が作用するので、カプラコネクタ１（本体２）のストレート部６の内面とカプラ３１（本体３２）の外面との密着のみで、液密性を維持することができる。さらにカプラ３１へのカプラコネクタ１（本体２）の挿入位置の誤認も防ぐことができる。
[Mounting of coupler connector 1 and coupler 31]
As illustrated in FIG. 4, when the coupler 31 is mounted in the internal space 3 from the distal end opening 4 of the coupler connector 1, the front portion (the small-diameter portion 33 and the unevenness 35) of the coupler 31 is tapered without being caught. It smoothly enters the internal space 3 along T1 and taper T2.
The inner wall surface in the vicinity of the straight portion 6 of the main body 2 is slightly expanded outward by the front portion (the small diameter portion 33 and the uneven portion 35) of the coupler 31, and attempts to return to the original size due to the rebound resilience of the coupler connector 1 itself. Thus, the liquid tightness can be maintained only by the close contact between the inner surface of the straight portion 6 of the coupler connector 1 (main body 2) and the outer surface of the coupler 31 (main body 32). Further, misidentification of the insertion position of the coupler connector 1 (main body 2) to the coupler 31 can be prevented.
１、６１ カプラコネクタ
２、６２ 本体
３ 内部空間
４ 先端開口部
５ テーパ部
６５ 突起（アンダーカット）
６ ストレート部
７ 段部
８ 底部
９ 液体流路
１０ チューブ接続部
２１ キャップ
２２ 本体
２３ 連結部
２４ 蓋
３１、８１、９１ （血液処理装置の）カプラ
３２、８２、９２ 本体
３３、８３、９３ 小径部
３４、８４、９４（環状の）溝部
３５、９５ 凹凸
1, 61 Coupler connector 2, 62 Body 3 Internal space 4 Tip opening 5 Taper 65 Projection (undercut)
6 Straight part 7 Step part 8 Bottom part 9 Liquid flow path 10 Tube connection part 21 Cap 22 Main body 23 Connection part 24 Lid 31, 81, 91 Coupler 32, 82, 92 Main body 33, 83, 93 Small diameter part 34, 84, 94 (annular) grooves 35, 95
Claims (4)
本体（２）は、弾性を有する軟質材料により形成され、前方に先端開口部（４）が形成され、当該先端開口部（４）の後方内面にテーパ部（５）が形成され、当該テーパ部（５）に連続してその後方にストレート部（６）が形成され、
前記ストレート部（６）の内径（Ｄ１）を、テーパ部（５）の略中間部の内径（Ｄ２）よりも小さく形成し、
前記ストレート部（６）内面とカプラ（３１）外面との密着のみで、液密性を維持することができるように形成した、ことを特徴とするカプラコネクタ（１）。 The interior of the main body (2) has an internal space (3) in which a coupler (31) of the blood processing apparatus is mounted,
The main body (2) is formed of a soft material having elasticity, the front end opening (4) is formed in the front, the taper part (5) is formed on the rear inner surface of the front end opening (4), and the taper part Continuing to (5), a straight part (6) is formed behind it,
An inner diameter (D1) of the straight portion (6) is smaller than an inner diameter (D2) of a substantially middle portion of the tapered portion (5);
A coupler connector (1) formed so that liquid tightness can be maintained only by adhesion between the straight portion (6) inner surface and the coupler (31) outer surface.
本体（２）の内部に、前記カプラ（３１）が装着される空間（３）を有し、
本体（２）は、弾性を有する軟質材料により形成され、前方に先端開口部（４）が形成され、当該先端開口部（４）の後方内面にテーパ部（５）が形成され、当該テーパ部（５）に連続してその後方にストレート部（６）が形成され、
前記ストレート部（６）の内径（Ｄ１）を、テーパ部（５）の略中間部の内径（Ｄ２）よりも小さく形成したカプラコネクタ（１）を含み、
カプラコネクタ（１）の本体（２）のストレート部（６）内面とカプラ（３１）の本体（３２）の外面との密着のみで、液密性を維持することができるように形成した、ことを特徴とする医療用具。 A coupler (31) in which a groove (34) is formed in an intermediate portion of the main body (32), and an unevenness (35) is formed in front of the groove (34);
The body (2) has a space (3) in which the coupler (31) is mounted,
The main body (2) is formed of a soft material having elasticity, the front end opening (4) is formed in the front, the taper part (5) is formed on the rear inner surface of the front end opening (4), and the taper part Continuing to (5), a straight part (6) is formed behind it,
A coupler connector (1) having an inner diameter (D1) of the straight portion (6) smaller than an inner diameter (D2) of a substantially middle portion of the taper portion (5);
Formed so that liquid tightness can be maintained only by adhesion between the straight part (6) inner surface of the main body (2) of the coupler connector (1) and the outer surface of the main body (32) of the coupler (31). A medical device characterized by.
本体（２）のストレート部（６）付近の内壁面は、カプラ（３１）の前方部により、若干外側に押し広げられ、
カプラコネクタ（１）自体の反発弾性により、元の寸法に戻ろうとする締め付け圧力により、本体（２）のストレート部（６）の内面とカプラ（３１）の本体（３２）の外面との密着のみで、液密性を維持することができる、ことを特徴とする請求項３に記載の医療用具。 When the coupler (31) is mounted in the internal space (3) from the tip opening (4) of the coupler connector (1), the coupler (31) enters the internal space (3) along the taper (T2). And
The inner wall surface near the straight portion (6) of the main body (2) is slightly spread outward by the front portion of the coupler (31),
Due to the rebound resilience of the coupler connector (1) itself, only the close contact between the inner surface of the straight part (6) of the main body (2) and the outer surface of the main body (32) of the coupler (31) due to the tightening pressure to return to the original dimensions. 4. The medical device according to claim 3, wherein liquid tightness can be maintained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006000246U JP3120496U (en) | 2006-01-17 | 2006-01-17 | Coupler connector and medical device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006000246U JP3120496U (en) | 2006-01-17 | 2006-01-17 | Coupler connector and medical device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP3120496U true JP3120496U (en) | 2006-04-06 |
Family
ID=43470661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006000246U Expired - Lifetime JP3120496U (en) | 2006-01-17 | 2006-01-17 | Coupler connector and medical device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3120496U (en) |
-
2006
- 2006-01-17 JP JP2006000246U patent/JP3120496U/en not_active Expired - Lifetime
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