JP2000176013A - Medical liquid transporting tube - Google Patents
Medical liquid transporting tubeInfo
- Publication number
- JP2000176013A JP2000176013A JP10375622A JP37562298A JP2000176013A JP 2000176013 A JP2000176013 A JP 2000176013A JP 10375622 A JP10375622 A JP 10375622A JP 37562298 A JP37562298 A JP 37562298A JP 2000176013 A JP2000176013 A JP 2000176013A
- Authority
- JP
- Japan
- Prior art keywords
- trapezoidal
- groove
- cylindrical portion
- cap member
- projection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、医療用液体輸送
管、例えば輸血、輸液を行なう際に注射針と輸血、輸液
用のチューブとの間に接続し輸血、輸液中に混入する空
気をトラップするために用いる管状本体と、該本体上面
部に空気溜め突出部を有する、輸液用タコ管と呼ばれる
医療用液体輸送管に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a medical liquid transport tube, for example, which is connected between an injection needle and a tube for blood transfusion or transfusion during blood transfusion or transfusion to trap air mixed in the blood transfusion or transfusion. The present invention relates to a medical liquid transport tube called an infusion octopus tube, which has a tubular main body used to perform the injection and an air reservoir protrusion on the upper surface of the main body.
【０００２】[0002]
【従来技術】輸液セットは、瓶針、点滴筒、チューブ、
ゴム管、タコ管、静脈針などを連結して構成してなり、
チューブには流量を調節するためのクランプが装着され
ている。タコ管は輸液中に混入した気泡が体内に流入す
るのを防止するためのものであり、中央部には空気溜め
が設けられていて、両端にはゴム管と静脈針にそれぞれ
接続するための接続部が形成されている。したがって、
タコ管は両端が細く中央が太い形状になっている。従
来、この種の医療用液体輸送管としては、中空の膨出部
の直下に開口部を設けるようにして一体的に構成したも
のが提案されている（実公昭５５−３０４９５）。しか
し、前記のような構成の医療用液体輸送管は、中空の膨
出部に輸液圧が加わったとき、前記の栓が外れるとか、
栓周辺から液漏れを起こすと言う不具合があった。2. Description of the Related Art Infusion sets include bottle needles, drip tubes, tubes,
It is constructed by connecting rubber tubes, octopus tubes, venous needles, etc.
The tube is equipped with a clamp for adjusting the flow rate. The octopus tube is for preventing air bubbles mixed in the infusion from flowing into the body, and an air reservoir is provided at the center, and both ends are connected to a rubber tube and a venous needle, respectively. A connection is formed. Therefore,
The octopus tube has a thin shape at both ends and a thick shape at the center. Heretofore, as this type of medical liquid transport tube, there has been proposed an integrated structure in which an opening is provided immediately below a hollow bulging portion (Japanese Utility Model Publication No. 55-30495). However, when the infusion pressure is applied to the hollow bulging portion, the stopper comes off, or the medical liquid transport tube configured as described above,
There was a problem that liquid leaked from around the stopper.
【０００３】[0003]
【発明が解決しようとする課題】本発明は、中空の膨出
部に輸液圧が加わっても上記の従来技術の問題を解決
し、前記の栓が外れるとか、栓周辺から液漏れを起こす
と言う不具合を生じない医療用液体輸送管を提供するこ
とを目的とする。SUMMARY OF THE INVENTION The present invention solves the above-mentioned problems of the prior art even when an infusion pressure is applied to a hollow bulging portion. It is an object of the present invention to provide a medical liquid transport tube that does not cause the above-mentioned problems.
【０００４】[0004]
【課題を解決するための手段】本発明は、開口円筒部を
外周面上に一体的に結合して有する環状の中空状液体輸
送部材（Ａ）と前記開口円筒部に被着されるキャップ部
材（Ｂ）を有して構成される医療用液体輸送管であっ
て、前記開口円筒部の外部表面および前記キャップ部材
の内部表面のいずれか一方の表面の周面方向に台形状の
突起部、また他方の表面の周面方向に前記台形状の突起
部と嵌合可能な形状の溝部を有し、かつこれら突起部と
溝部の嵌合により前記キャップ部材が開口円筒部に被着
されたことを特徴とする医療用液体輸送管を提供するこ
とにより、前記技術的課題を解決することができた。SUMMARY OF THE INVENTION The present invention relates to an annular hollow liquid transport member (A) having an open cylindrical portion integrally joined to an outer peripheral surface thereof, and a cap member attached to the open cylindrical portion. (B) a medical liquid transport tube configured to have a trapezoidal projection in the circumferential direction of one of the outer surface of the open cylindrical portion and the inner surface of the cap member; Further, a groove having a shape capable of fitting with the trapezoidal protrusion is provided in a circumferential direction of the other surface, and the cap member is attached to the open cylindrical portion by fitting the protrusion with the groove. The technical problem could be solved by providing a medical liquid transport pipe characterized by the following.
【０００５】本発明の医療用液体輸送管は、前記開口円
筒部に被着されたキャップ部材が、台形状の突起部と該
突起部と嵌合可能な形状の溝部の嵌合により、開口円筒
部から再脱離が実質的に不可能な程度の嵌合力により被
着されたものであり、かつ該嵌合力が、主に前記台形状
の突起部の断面積によってコントロールされることがで
きる構造のものであることを特徴とする。[0005] In the medical liquid transport tube of the present invention, the cap member attached to the open cylindrical portion is formed by fitting a trapezoidal protrusion into a groove capable of fitting with the protrusion. A structure which is attached with a fitting force of such a degree that the detachment from the portion is substantially impossible, and the fitting force can be controlled mainly by a cross-sectional area of the trapezoidal projection. It is characterized by being.
【０００６】前記の「開口円筒部に被着された前記キャ
ップ部材が開口円筒部から再脱離が実質的に不可能な程
度の嵌合力」とは、前記傾斜角度αおよび傾斜角度β、
ならびに前記開口円筒部およびキャップ部材を構成する
材料の種類によっても相違するが、通常、５ｋｇｆ以上
程度の嵌合力を指し、この嵌合力を与えるに必要な台形
状の突起部の断面積は、通常、０．１５ｍｍ2以上、好
ましくは０．０４〜０．３０ｍｍ2程度の断面積であ
る。[0006] The above-mentioned "fitting force to such an extent that the cap member attached to the opening cylindrical portion cannot be detached from the opening cylindrical portion substantially is impossible" means the inclination angles α and β,
Although it also differs depending on the type of the material constituting the opening cylindrical portion and the cap member, it usually indicates a fitting force of about 5 kgf or more, and the cross-sectional area of the trapezoidal projection required to provide this fitting force is usually , 0.15 mm 2 or more, preferably the cross-sectional area of about 0.04~0.30mm 2.
【０００７】さらに、本発明者らは、図２、３に示すよ
うに、Ｌ2（台形状部材の上辺部長さ）、Ｌ3（溝部の開
口部長さ）、Ｈ1（台形状突起部の高さ）およびｔ（台
形状突起部が形成された部材の壁厚さ）が特定の要件を
満足することが、前記の嵌合力が生じるのに好ましいこ
とを見出した。すなわち、図３の（ｃ）の嵌合力が最も
大きく、図３の（ｂ）の嵌合力が次に大きく、図３の
（ａ）の嵌合力が最も小さいことから、前記の嵌合力を
生じるためには、Ｌ2（台形状部材の上辺部長さ）≧Ｈ1
（台形状突起部の高さ）およびｔ（台形状突起部が形成
された部材の壁厚さ）≧Ｈ1（台形状突起部の高さ）の
要件を満足することが好ましいことを見出した。Further, as shown in FIGS. 2 and 3, the present inventors have found that L 2 (length of the upper side of the trapezoidal member), L 3 (length of the opening of the groove), and H 1 (length of the trapezoidal projection). It has been found that it is preferable that the height) and t (the wall thickness of the member on which the trapezoidal projection is formed) satisfy specific requirements in order to generate the above-mentioned fitting force. That is, since the fitting force shown in FIG. 3C is the largest, the fitting force shown in FIG. 3B is the next largest, and the fitting force shown in FIG. For this purpose, L 2 (length of the upper side of the trapezoidal member) ≧ H 1
It has been found that it is preferable to satisfy the requirements of (height of the trapezoidal projection) and t (wall thickness of the member on which the trapezoidal projection is formed) ≧ H 1 (height of the trapezoidal projection). .
【０００８】以下、図面に基づいて、本発明の医療用液
体輸送管をさらに具体的に説明する。本発明の医療用液
体輸送管においては、台形状の突起部は開口円筒部外部
表面およびキャップ部材内部表面のどちらかに形成され
る。すなわち、図１の（ａ）は、キャップ部材の内部表
面に台形状の突起部を形成し、開口円筒部の外部表面に
前記台形突起部と嵌着可能な形状の溝部を形成したもの
であり、また図１の（ｂ）は、キャップ部材の内部表面
に下記台形突起部と嵌着可能な形状の溝部を形成し、開
口円筒部の外部表面に、上記溝部に嵌着可能な台形状の
突起部を形成したものである。Hereinafter, the medical liquid transport tube of the present invention will be described more specifically with reference to the drawings. In the medical liquid transport tube of the present invention, the trapezoidal projection is formed on either the outer surface of the open cylindrical portion or the inner surface of the cap member. That is, FIG. 1A shows a configuration in which a trapezoidal protrusion is formed on the inner surface of the cap member, and a groove is formed on the outer surface of the open cylindrical portion so as to be fitted with the trapezoidal protrusion. FIG. 1B shows a trapezoidal shape which can be fitted in the groove on the outer surface of the open cylindrical portion on the inner surface of the cap member. It is a projection formed.
【０００９】特に、前記嵌合の中でも、キャップ部材内
部表面の方に台形状の突起部を形成し、開口円筒部の外
部表面の方に前記台形突起部と嵌合可能な形状の溝部を
形成したものが、前記開口円筒部に被着されたキャップ
部材と開口円筒部の嵌合力をより向上させることができ
るので好ましい。Particularly, in the fitting, a trapezoidal projection is formed on the inner surface of the cap member, and a groove is formed on the outer surface of the open cylindrical portion so as to be fittable with the trapezoidal projection. This is preferable because the fitting force between the cap member attached to the opening cylindrical portion and the opening cylindrical portion can be further improved.
【００１０】図２は、前記図１の（ａ）のタイプに属す
る医療用液体輸送管の一例の台形突起部と溝部の嵌合部
分の拡大断面である。図２中、両αは台形状突起部のキ
ャップ部材の垂直内表面に対する傾斜角度、両βは開口
円筒部の外部表面に対する溝部の傾斜角度、Ｌ1は台形
状部材の底辺部長さ、Ｌ2は台形状部材の上辺部長さ、
Ｌ3は溝部の底辺部長さ、Ｌ4は溝部開口部長さ、Ｈ1は
台形状突起部の高さ、Ｈ2は溝部の深さ、ｔは台形状突
起部が形成された部材（キャップ部材）の壁厚さをそれ
ぞれ表す。FIG. 2 is an enlarged cross section of a fitting portion between a trapezoidal projection and a groove of an example of the medical liquid transport pipe belonging to the type shown in FIG. In Figure 2, both α is trapezoidal angle of inclination with respect to the vertical inner surface of the projecting portion of the cap member, the inclination angle of the groove for both β external surface of the opening cylinder, L 1 is bottom side length of the trapezoidal member, L 2 Is the length of the upper side of the trapezoidal member,
L 3 is groove bottom portion length, L 4 is the groove opening length, H 1 is trapezoidal protrusion height, H 2 is the groove depth, t is the trapezoidal protrusion formed member (cap member ) Indicates the wall thickness.
【００１１】前記両αおよび両βは、本図のものにおい
ては、それぞれ実質的に等しい角度を組み合わせたもの
であるが、本発明においては、両αと両βとも必ずしも
実質的に等しい角度の組み合わせのものには限定され
ず、例えばα同士およびβ同士の間には１０〜３０°程
度の角度の差異はあっても良い。In the drawing, both α and both β are a combination of substantially equal angles, but in the present invention, both α and both β necessarily have substantially the same angle. It is not limited to the combination, and for example, there may be an angle difference of about 10 to 30 ° between α and β.
【００１２】また、前記αとβは実質的に等しい角度の
ものが好ましいが、本発明においては、αとβは必ずし
も実質的に等しい角度のものには限定されず、例えば両
者の間に１０〜３０°程度の角度の差異はあっても良
い。Although it is preferable that α and β have substantially the same angle, in the present invention, α and β are not necessarily limited to those having substantially the same angle. There may be an angle difference of about 30 °.
【００１３】さらに、前記のように突起部と溝部の嵌合
力が、主に台形状の突起部の容積によってコントロール
することができる構造のものであるから、図２における
突起部の台形面積はできるだけ大きい方が好ましいが、
成形工程上の制約によって前記台形状突起部の高さＨ1
を余り大きくすることはできないので、台形状突起部の
下辺部長さＬ1を一定とした場合、前記嵌合力は、主に
台形状突起部の上辺部長さＬ2によってコントロールさ
れるので、この上辺部長さＬ2は、前記嵌合力を考慮す
るとより大きいことが好ましい。しかし、一方で、この
Ｌ2が大きくなると前記傾斜角度αも大きくなり、この
αが６０°を超えると離型性が劣り、また、αが３０°
未満であると、嵌合性が劣るから、αは下記の要件を満
足するものが好ましい。 ３０°≦α≦６０° また、βも前記のようにαと実質的に等しい角度のもの
が好ましいから、αと同様に下記の要件を満足するもの
が好ましい。 ３０°≦β≦６０° ただし、βはαより１０〜３０°程度大きくて良く、従
って、αとβは、α≦βとなることが必要である。Further, as described above, since the fitting force between the protrusion and the groove can be controlled mainly by the volume of the trapezoidal protrusion, the trapezoidal area of the protrusion in FIG. Larger is preferred, but
The height H 1 of the trapezoidal projections is limited due to restrictions in the molding process.
When the length L 1 of the lower side of the trapezoidal projection is fixed, the fitting force is mainly controlled by the length L 2 of the upper side of the trapezoidal projection. Director of L 2 is preferably larger when considering the mating force. However, on the other hand, the L 2 is large and the inclination angle alpha also increased, this alpha is inferior releasability exceeds 60 °, also, alpha is 30 °
If it is less than 1, the fitting property is inferior, so that α preferably satisfies the following requirements. 30 ° ≦ α ≦ 60 ° Further, β preferably has an angle substantially equal to α as described above, and preferably satisfies the following requirements similarly to α. 30 ° ≦ β ≦ 60 ° However, β may be larger than α by about 10 to 30 °, and α and β need to satisfy α ≦ β.
【００１４】さらに、本図のキャップ部材と開口円筒部
材は下記の要件を満足するものである。 ３０°≦α(台形状突起部の垂直表面に対する傾斜角度)
≦６０° ３０°≦β（溝部の垂直表面に対する傾斜角度）≦９０
° Ｈ1（台形状突起部の高さ）≦Ｈ2（溝部深さ） Ｌ2（台形状突起部の上辺部長さ）≦Ｌ3（溝部底部長
さ） Ｌ1（台形状突起部の下辺部長さ）≒Ｌ4（溝部開口部長
さ） 特に、前記要件中、台形状突起部の下辺部長さＬ1≒溝
部開口部長さＬ4と言う要件を採用することにより、安
定したガタつきの無い嵌合が得られると言う効果が得ら
れる。また、前記のように突起部と溝部の嵌合力が、主
に台形状の突起部の断面積によってコントロールされる
が、同じ台形状突起部の断面積の場合、前記Ｈ1を余り
大きくせず、前記Ｌ2を大きくした方が、脱離しにく
く、同じ嵌合力でより嵌めやすい構造のものが得られ
る。Further, the cap member and the open cylindrical member shown in this figure satisfy the following requirements. 30 ° ≦ α (tilt angle of trapezoidal projection to vertical surface)
≦ 60 ° 30 ° ≦ β (inclination angle of groove with respect to vertical surface) ≦ 90
° H 1 (base height of the shaped protrusions) ≦ H 2 (groove depth) L 2 (upper side portion length of the trapezoidal protrusion) ≦ L 3 (groove bottom length) the lower side of the L 1 (trapezoidal protrusion Part length) ≒ L 4 (groove opening length) In particular, by adopting the requirement of the lower side length L 1 of the trapezoidal projection part 部 the groove opening length L 4 in the above requirements, a stable fit without looseness is achieved. The effect that the combination is obtained is obtained. Further, the protrusion and the groove fitting of force as described above is, but is controlled by the cross-sectional area of the projecting portion of the mainly trapezoidal, if the cross-sectional area of the same trapezoidal projections, not too large the H 1 , a larger the L 2 is hardly desorbed, is obtained as the more fitting structure easily at the same fitting force.
【００１５】前記キャップ部材の内壁表面と開口円筒部
材の外壁表面に形成する突起部あるいは溝部は、キャッ
プ部材の内壁表面と開口円筒部材の外壁表面の全円周す
べてにわたって設けても良いし、あるいは円周方向に２
箇所以上独立して設けても良いが、嵌合強度は、突起部
の容積によって影響されるので、全円周すべてにわたっ
て設けるのが好ましい。また、開口円筒部の頂部付近の
壁表面一部を全円周方向にわたって削除し、開口円筒部
の頂部付近に、キャップ部材を装着し易くするための段
部を設けても良い。The protrusions or grooves formed on the inner wall surface of the cap member and the outer wall surface of the open cylindrical member may be provided over the entire circumference of the inner wall surface of the cap member and the outer wall surface of the open cylindrical member. 2 circumferentially
The fitting strength may be independently provided, but the fitting strength is affected by the volume of the protruding portion. Therefore, it is preferable to provide the fitting strength over the entire circumference. In addition, a part of the wall surface near the top of the opening cylindrical portion may be deleted in the entire circumferential direction, and a step for facilitating attachment of the cap member may be provided near the top of the opening cylindrical portion.
【００１６】本発明の医療用液体輸送管を構成する前記
中空状液体輸送部材と前記キャップ部材は、種々の合成
樹脂成型加工法によって製造することができるが、成型
精度の点から射出成型法によって製造したものが好まし
く、前記両部材の素材としては、ポリエチレン、ポリプ
ロピレン、ポリカーボネート、ＡＢＳ樹脂等が挙げられ
る。また、前記中空状液体輸送部材と前記キャップ部材
は、同一種類の素材で構成される必要はなく、例えば中
空状液体輸送部材はポリカーボネート、ＡＢＳ樹脂等、
またキャップ部材は、ポリエチレン、ポリプロピレンで
構成されても良い。The hollow liquid transport member and the cap member which constitute the medical liquid transport tube of the present invention can be manufactured by various synthetic resin molding methods. However, from the viewpoint of molding accuracy, an injection molding method is used. It is preferably manufactured, and examples of the material of the two members include polyethylene, polypropylene, polycarbonate, and ABS resin. The hollow liquid transport member and the cap member do not need to be made of the same type of material. For example, the hollow liquid transport member is made of polycarbonate, ABS resin, or the like.
The cap member may be made of polyethylene or polypropylene.
【００１７】[0017]
【実施例】実施例１ 図２に示す構成における各構成箇所の具体的なサイズ
は、例えば以下のようなサイズが挙げられる（各数値は
ｍｍを表す。）。台形状突起部材およびキャップ部材と
もポリプロピレンで構成されている。 Ｌ1（台形状突起部材の底辺部長さ）：０．４〜１．
０、例えば０．７５ Ｌ2（台形状突起部材の上辺部長さ）：０．３〜１．
０、例えば０．３５ Ｌ3（溝部の底辺部長さ）：０．４〜１．０、例えば
０．７５ Ｌ4（溝部の開口部長さ）：０．４〜１．０、例えば
０．７５ Ｈ1（台形状突起部材の高さ）：０．１〜０．３、例え
ば０．２ Ｈ2（溝部の深さ）：０．１〜０．３、例えば０．２ ｔ（キャップ部材の壁厚さ）：０．５〜１．０、例えば
０．８４Embodiment 1 Specific sizes of the respective components in the configuration shown in FIG. 2 include, for example, the following sizes (each numerical value represents mm). Both the trapezoidal projection member and the cap member are made of polypropylene. L 1 (the length of the bottom side of the trapezoidal projection member): 0.4 to 1.
0, for example, 0.75 L 2 (length of the upper side of the trapezoidal protrusion member): 0.3 to 1.
0, for example 0.35 L 3 (groove bottom side length): 0.4 to 1.0, for example 0.75 L 4 (groove opening length): 0.4 to 1.0, for example 0.75 H 1 (height of the trapezoidal projection member): 0.1 to 0.3, for example, 0.2 H 2 (depth of the groove): 0.1 to 0.3, for example, 0.2 t (of the cap member) Wall thickness): 0.5 to 1.0, for example 0.84
【００１８】また、環状の中空状液体輸送部材の外周面
７上に一体的に結合される図４で示す開口円筒部の高さ
Ｄは、前記外周面７から４．０〜１０．０ｍｍ程度が適
当（本実施例の場合は７．０ｍｍ）であり、また、台形
状突起部材４は、その底辺部が前記外周面７から０．４
〜１．０ｍｍ（本実施例の場合は０．８０ｍｍ）程度の
高さＥの位置に設けるのが、好ましい。The height D of the open cylindrical portion shown in FIG. 4 integrally connected to the outer peripheral surface 7 of the annular hollow liquid transport member is approximately 4.0 to 10.0 mm from the outer peripheral surface 7. Is appropriate (7.0 mm in the case of the present embodiment), and the bottom of the trapezoidal projection member 4 is 0.4 mm from the outer peripheral surface 7.
It is preferably provided at a height E of about 1.0 mm (0.80 mm in this embodiment).
【００１９】[0019]
【効果】本発明は、開口円筒部を外周面上に一体的に結
合して有する環状の中空状液体輸送部材（Ａ）と前記開
口円筒部に被着されるキャップ部材（Ｂ）を有して構成
される医療用液体輸送管として、中空の膨出部に輸液圧
が加わっても上記の従来技術の問題を解決し、前記のキ
ャップ部材（Ｂ）が外れるとか、該キャップ部材（Ｂ）
周辺から液漏れを起こすと言う不具合を生じない医療用
液体輸送管を提供することが出来た。The present invention has an annular hollow liquid transport member (A) having an open cylindrical portion integrally joined to the outer peripheral surface thereof, and a cap member (B) attached to the open cylindrical portion. As a medical liquid transport tube configured by the above method, even if an infusion pressure is applied to a hollow bulging portion, the above-described problem of the prior art is solved, and the cap member (B) comes off or the cap member (B)
It is possible to provide a medical liquid transport pipe which does not cause a problem of leaking liquid from the periphery.
【図１】キャップ部材と開口円筒部の嵌合状態を示す図
である。（ａ）は、キャップ部材の内部表面に台形状の
突起部を形成し、開口円筒部の外部表面に前記台形突起
部と嵌着可能な形状の溝部を形成したもの。（ｂ）は、
キャップ部材の内部表面に下記台形突起部と嵌着可能な
形状の溝部を形成し、開口円筒部の外部表面に、上記溝
部に嵌着可能な台形状の突起部を形成したものFIG. 1 is a view showing a fitted state of a cap member and an opening cylindrical portion. (A) A trapezoidal projection is formed on the inner surface of the cap member, and a groove is formed on the outer surface of the open cylindrical portion so as to be fitted with the trapezoidal projection. (B)
A groove having a shape that can be fitted to the trapezoidal protrusion described below is formed on the inner surface of the cap member, and a trapezoidal protrusion that can be fitted to the groove is formed on the outer surface of the open cylindrical portion.
【図２】図１の嵌合部の拡大図である。FIG. 2 is an enlarged view of a fitting portion of FIG.
【図３】ｔ≧Ｈ1の場合のＬ2とＨ1との関係を示す図で
ある。 （ａ）Ｌ2＜Ｈ1 （ｂ）Ｌ2＝Ｈ1 （ｃ）Ｌ2＞Ｈ1 FIG. 3 is a diagram showing a relationship between L 2 and H 1 when t ≧ H 1 . (A) L 2 <H 1 (b) L 2 = H 1 (c) L 2 > H 1
【図４】本発明の医療用液体輸送管の一例の断面図であ
る。FIG. 4 is a sectional view of an example of the medical liquid transport tube of the present invention.
１ キャップ部材 ２ 開口円筒部 ３ 台形状突起部 ４ 溝部 ５ 切欠き部 ６ 環状の中空状液体輸送部材 ７ 環状の中空状液体輸送部材の外周面 α 台形状突起部のキャップ部材の垂直内表面に対する
傾斜角度 β 開口円筒部の外部表面に対する溝部の傾斜角度 Ｌ1 台形状突起部の下辺部長さ Ｌ2 台形状突起部の上辺部長さ Ｌ4 溝部開口部長さ Ｌ3 溝部底辺部長さ ｍ1 キャップ部材の内径 ｍ2 キャップ部材の内径 ｔ キャップ部材の壁厚さ Ｈ1 台形状突起部材の高さ Ｈ2 溝部の深さ Ｄ 開口円筒部の高さ Ｅ 突起部材の高さREFERENCE SIGNS LIST 1 cap member 2 open cylindrical portion 3 trapezoidal projection 4 groove 5 notch 6 annular hollow liquid transport member 7 outer peripheral surface of annular hollow liquid transport member α trapezoidal projection relative to vertical inner surface of cap member Angle of inclination β Angle of inclination of groove relative to outer surface of open cylindrical part L 1 Length of lower side of trapezoidal protrusion L 2 Length of upper side of trapezoidal protrusion L 4 Length of groove opening L 3 Length of groove bottom side m 1 Cap member inside diameter m 2 inner diameter t cap wall thickness heights of H 2 groove depth D opening the cylindrical portion of the height E protrusion member of an H 1 trapezoidal protruding member of members of the cap member
Claims (6)
て有する環状の中空状液体輸送部材（Ａ）と前記開口円
筒部に被着されるキャップ部材（Ｂ）を有して構成され
る医療用液体輸送管であって、前記開口円筒部の外部表
面および前記キャップ部材の内部表面のいずれか一方の
表面の周面方向に台形状の突起部、また他方の表面の周
面方向に前記台形状の突起部と嵌合可能な形状の溝部を
有し、かつこれら突起部と溝部の嵌合により前記キャッ
プ部材が開口円筒部に被着されたことを特徴とする医療
用液体輸送管。1. An annular hollow liquid transport member (A) having an open cylindrical portion integrally connected to an outer peripheral surface thereof, and a cap member (B) attached to the open cylindrical portion. A liquid-transport tube for medical use, wherein the projection is trapezoidal in the circumferential direction of one of the outer surface of the open cylindrical portion and the inner surface of the cap member, and the circumferential direction of the other surface. Wherein the cap member is attached to the opening cylindrical portion by fitting the projections and the grooves, and the liquid is transported for medical use. tube.
筒部に被着された前記キャップ部材が開口円筒部から再
脱離が実質的に不可能な程度の嵌合力により被着された
ものである請求項１記載の医療用液体輸送管。2. The fitting between the trapezoidal projection and the groove is performed by a fitting force to such an extent that the cap member attached to the opening cylindrical portion cannot be detached from the opening cylindrical portion substantially again. 2. The medical liquid transport tube according to claim 1, wherein the tube is provided.
Ｈ1（台形状突起部の高さ）およびｔ（台形状突起部が
形成された部材の壁厚さ）≧Ｈ1（台形状突起部の高
さ）の要件を満足するものである請求項１〜２のいずれ
かの項に記載の医療用液体輸送管。3. L 2 (length of upper side of trapezoidal projection member) ≧
H 1 (base height of the shaped protrusions) and t claim is intended to satisfy the (trapezoidal wall thickness of the member whose shape projections are formed) requirements of ≧ H 1 (the height of the trapezoidal protrusion) The medical liquid transport tube according to any one of Items 1 to 2.
面、また前記台形突起部と嵌合可能な形状の溝部が開口
円筒部の外部表面にそれぞれ形成されたものである請求
項１〜３のいずれかの項に記載の医療用液体輸送管。4. A trapezoidal projection is formed on the inner surface of the cap member, and a groove having a shape fittable with the trapezoidal projection is formed on the outer surface of the open cylindrical portion. The medical liquid transport tube according to any one of the above items.
能な形状の溝部が、下記の要件をそれぞれ満足するもの
である請求項１〜４のいずれかの項に記載の医療用液体
輸送管。 α(台形状突起部の垂直表面に対する傾斜角度) ≦β
（溝部の垂直表面に対する傾斜角度） ３０°≦α(台形状突起部の垂直表面に対する傾斜角度)
≦６０° ３０°≦β（溝部の垂直表面に対する傾斜角度）≦９０
° Ｈ1（台形状突起部の高さ）≦Ｈ2（溝部深さ） Ｌ2（台形状突起部の上辺部長さ）≦Ｌ3（溝部底部長
さ） Ｌ1（台形状突起部の下辺部長さ）≒Ｌ4（溝部開口部長
さ）5. The medical liquid according to claim 1, wherein the trapezoidal projection and the groove having a shape fittable with the projection satisfy the following requirements. Transport tube. α (angle of inclination of trapezoidal projection relative to vertical surface) ≤ β
(Inclination angle of groove with respect to vertical surface) 30 ° ≦ α (inclination angle of trapezoidal projection with respect to vertical surface)
≦ 60 ° 30 ° ≦ β (inclination angle of groove with respect to vertical surface) ≦ 90
° H 1 (base height of the shaped protrusions) ≦ H 2 (groove depth) L 2 (upper side portion length of the trapezoidal protrusion) ≦ L 3 (groove bottom length) the lower side of the L 1 (trapezoidal protrusion Length) ≒ L 4 (groove opening length)
全円周方向にわたってキャップ部材を装着し易くするた
めの段部を設けたものである請求項１〜５のいずれかの
項に記載の医療用液体輸送管。6. A step portion for facilitating mounting of a cap member on a part of the wall surface near the top of the open cylindrical portion over the entire circumferential direction. A medical liquid transport tube according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP37562298A JP4521736B2 (en) | 1998-12-16 | 1998-12-16 | Medical liquid transport tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP37562298A JP4521736B2 (en) | 1998-12-16 | 1998-12-16 | Medical liquid transport tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000176013A true JP2000176013A (en) | 2000-06-27 |
| JP4521736B2 JP4521736B2 (en) | 2010-08-11 |
Family
ID=18505806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP37562298A Expired - Fee Related JP4521736B2 (en) | 1998-12-16 | 1998-12-16 | Medical liquid transport tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4521736B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004129723A (en) * | 2002-10-08 | 2004-04-30 | Arute:Kk | Syringe serving also as container |
-
1998
- 1998-12-16 JP JP37562298A patent/JP4521736B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004129723A (en) * | 2002-10-08 | 2004-04-30 | Arute:Kk | Syringe serving also as container |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4521736B2 (en) | 2010-08-11 |
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