JP2947105B2 - Medical connector - Google Patents
Medical connectorInfo
- Publication number
- JP2947105B2 JP2947105B2 JP6329682A JP32968294A JP2947105B2 JP 2947105 B2 JP2947105 B2 JP 2947105B2 JP 6329682 A JP6329682 A JP 6329682A JP 32968294 A JP32968294 A JP 32968294A JP 2947105 B2 JP2947105 B2 JP 2947105B2
- Authority
- JP
- Japan
- Prior art keywords
- connector
- cap
- tip
- connectors
- cylindrical portion
- 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.)
- Expired - Fee Related
Links
Landscapes
- External Artificial Organs (AREA)
Description
【0001】[0001]
【産業上の利用分野】本発明は腹膜透析等において、患
者に設置されている腹腔カテ−テルや延長チュ−ブと透
析液の入ったバッグを接続する医療用コネクタ−に関
し、特に詳細には自動的に両者を脱着するための装置に
使用するのに好適なコネクタ−に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a medical connector for connecting a peritoneal catheter or extension tube installed in a patient to a bag containing a dialysate in peritoneal dialysis or the like. The present invention relates to a connector suitable for use in a device for automatically attaching and detaching both.
【0002】[0002]
【従来の技術】腹膜透析法は腹膜を透析膜として使用す
るものであり、患者の腹腔内に植え込んだ腹腔カテ−テ
ルに透析液の入ったバッグ付きの腹膜透析セットを連結
して透析液を腹腔内に注入し、一定時間貯留した後に排
液するものである。透析液を一定時間貯留して、透析液
と腹膜内に分布する毛細血管の血液との間に生じる溶質
濃度や浸透圧の格差によって、老廃物や水を除去して血
液浄化を行う。2. Description of the Related Art In the peritoneal dialysis method, the peritoneum is used as a dialysis membrane. A peritoneal dialysis set with a bag containing a dialysate is connected to a peritoneal catheter implanted in the abdominal cavity of a patient. It is injected into the abdominal cavity, drained after storing for a certain period of time. The dialysate is stored for a certain period of time, and waste and water are removed to purify the blood by the difference in solute concentration and osmotic pressure generated between the dialysate and blood in the capillaries distributed in the peritoneum.
【0003】腹膜透析は上記のように排液、バッグ交
換、透析液注入、貯留のサイクルからなり、患者は1日
にこのサイクルを3〜5回と頻繁に行わなくてはなら
ず、慣れない者にとっては大変面倒な操作である。特に
問題となるのは、腹腔カテ−テルに連結したエキステン
ションチュ−ブ先端に設けられた患者側コネクタ−と透
析液バッグ付きセットのバッグ側コネクタ−の脱着であ
り、脱着の際のコネクタ−への細菌付着は腹膜炎の原因
となるので、充分な注意が必要である。またコネクタ−
の脱着時の問題は細菌付着だけではなく、眼や手の不自
由な患者の手技の誤操作によって、接続ミスや液漏れ等
の重大な事態を引き起こす恐れがある。[0003] As described above, peritoneal dialysis consists of a cycle of drainage, bag exchange, infusion of dialysate, and storage, and the patient must frequently perform this cycle 3 to 5 times a day, and is not accustomed to it. It is a very troublesome operation for the person. Particularly problematic is the detachment of the patient-side connector provided at the tip of the extension tube connected to the abdominal cavity catheter and the bag-side connector of the set with the dialysate bag. Attention should be paid to bacterial adherence to peritonitis, as it can cause peritonitis. Also the connector
The problem at the time of attachment / detachment is not only the adhesion of bacteria, but also a serious situation such as a connection error or a liquid leak may be caused by an erroneous operation of a patient's eye or hand.
【0004】そこで従来より、コネクタ−の脱着時の問
題を解消すべく色々な装置や方法が提案されてきた。例
えば、特開昭56−63186号公報や特公昭63−4
6317号公報、特開平5−31178号公報におい
て、互いに二重(壁)構造を有するコネクタ−やスリッ
トの開いた弾性弁を有するさや(保護スリ−ブ)付きの
コネクタ−が開示されている。これらのものは液の通過
する内筒が、外筒や保護スリ−ブより奥へ引き込んだ位
置にあるために手等が内筒に触れることがない。そのた
め、少なくとも内筒内の薬液は汚染から防止される。ま
た別に特公平3−67711号公報、特公平3−529
86号公報、特公平5−49299号公報等に開示され
ているように、コネクタ−の脱着時に紫外線照射するこ
とによって殺菌を行うものやコネクタ−の脱着を手技に
よらず自動的に行う装置等が開発されてきた。Therefore, various devices and methods have been conventionally proposed in order to solve the problem of attaching and detaching the connector. For example, Japanese Patent Application Laid-Open No. Sho 56-63186 and Japanese Patent Publication No. Sho 63-4
JP-A-6317 and JP-A-5-31178 disclose a connector having a double (wall) structure and a pod (protective sleeve) having an elastic valve having a slit. In these devices, since the inner cylinder through which the liquid passes is located at a position retracted from the outer cylinder and the protective sleeve, hands and the like do not touch the inner cylinder. Therefore, at least the chemical solution in the inner cylinder is prevented from being contaminated. Japanese Patent Publication No. 3-67711 and Japanese Patent Publication No. 3-529
No. 86, Japanese Patent Publication No. 5-49299, etc., a device that sterilizes by irradiating ultraviolet rays at the time of detachment of a connector, a device that automatically detaches and attaches a connector, etc. Has been developed.
【0005】しかし、これらのものにおいても依然とし
て問題があり、医療従事者或いは患者から改良を要望さ
れていた。即ち、前者のように互いに二重(壁)構造を
有するコネクタ−や保護スリ−ブ付きのコネクタ−を採
用することによって、確かに細菌汚染の機会は減少した
が、手技で行うため、細菌汚染の可能性は依然として存
在し、また手技の誤操作による問題は全く解決されてい
ない。一方後者のようなコネクタ−の紫外線照射装置や
自動接続装置はコネクタ−の脱着時に殺菌を行ったり、
手技による脱着を行わなくてよいため、細菌汚染や手技
の誤操作の不安からは解放される。しかし、前記の自動
接続装置は高価なため、患者全てが常時使用できるとい
う訳ではなく、眼や手の不自由な患者に限定して使用さ
れることが多い。そのため、普段は手技でコネクタ−の
脱着を行っている患者が従来のままのコネクタ−で自動
接続装置によって脱着しようとしても、コネクトシステ
ムが前記装置に適合していないため使用できなかった。
また通常、前記装置を使用している患者でも手技でコネ
クタ−の脱着を行わざるを得ない場合がある。例えば、
自動接続装置が故障した場合であるとか、患者が外出し
て前記装置を持参できない場合等である。自動接続装置
に適用されるコネクタ−は脱着機構の簡便さが要求され
るため、総てスパイク(穿刺)方式であり、手技でコネ
クタ−の脱着を行わなければならない場合には、このス
パイク方式のコネクタ−は細菌汚染や脱落の恐れがあっ
て好ましくない。更に現在市販されている腹膜透析バッ
グのコネクタ−の多くが手技のために適したロック式
(ねじ付き)であり、該コネクタ−は現在腹膜透析に使
用されている自動接続装置に利用できない。既述したよ
うに、自動接続装置に適用するためにコネクタ−は簡易
な構造でなくてはならず、ロック式のコネクタ−は回
転、脱離、接合等の複雑な一連の機能を行う必要がある
ため、自動接続装置には適合しにくい。またロック式の
コネクタ−に必要な回転の操作を行うと、コネクタ−に
接続したチュ−ブ(別の一端には透析液バッグや腹腔カ
テ−テルが接続している)が一緒に回転して捩れ、連結
しにくいという問題があった。[0005] However, these still have problems, and medical professionals or patients have requested improvements. That is, by adopting a connector having a double (wall) structure and a connector having a protective sleeve as in the former, the chance of bacterial contamination is certainly reduced, but the contamination is caused by the manual operation. The problem still exists, and the problem due to the manipulation error has not been solved at all. On the other hand, an ultraviolet irradiation device or an automatic connection device for a connector such as the latter performs sterilization when the connector is detached,
Since there is no need to carry out desorption by a procedure, there is no fear of bacterial contamination or erroneous manipulation of the procedure. However, since the above-mentioned automatic connection device is expensive, not all patients can always use it, and it is often used only for patients who have difficulty in eyes and hands. Therefore, even if a patient who normally detaches and attaches a connector by a manual operation attempts to detach and attach the connector with an automatic connector using a conventional connector, the patient cannot use the connector because the connect system is not compatible with the device.
Also, in general, even a patient using the above-mentioned device may be forced to detach the connector by a manual operation. For example,
For example, when the automatic connection device is out of order, or when the patient goes out and cannot bring the device. All connectors applied to the automatic connection device are required to have a simple attachment / detachment mechanism. Therefore, all the connectors are of the spike (puncture) type. Connectors are not preferred because of the risk of bacterial contamination and shedding. Furthermore, many of the currently available peritoneal dialysis bag connectors are lockable (threaded) suitable for the procedure, and the connectors are not available in the automatic connection devices currently used for peritoneal dialysis. As described above, a connector must have a simple structure in order to be applied to an automatic connection device, and a lock-type connector needs to perform a complex series of functions such as rotation, detachment, and joining. Therefore, it is difficult to adapt to the automatic connection device. When a necessary rotation operation is performed on the lock type connector, a tube connected to the connector (a dialysate bag or an abdominal cavity catheter is connected to another end) rotates together. There was a problem that it was difficult to twist and connect.
【0006】[0006]
【発明が解決しようとする課題】従って、本発明が解決
すべき技術的課題は以下のようなものである。即ち、コ
ネクタ−の脱着が手技によっても、自動接続装置によっ
ても可能なコネクタ−を提供することであり、手技によ
って脱着する場合にも細菌汚染や誤操作の機会が減少で
きる構造を有し、また自動接続装置によって脱着できる
ような簡便で且つ確実な連結機能を有するコネクタ−を
提供することである。より具体的には自動接続装置にも
適用可能なロック式のコネクタ−であり、さらにコネク
タ−脱着の際にコネクタ−或いはコネクタ−に装着され
たキャップを回転させても、コネクタ−に接続したチュ
−ブが捩れないように工夫を加えた構造を有するコネク
タ−を提供することである。The technical problems to be solved by the present invention are as follows. That is, it is an object of the present invention to provide a connector which can be detached by a manual operation or an automatic connection device, and has a structure capable of reducing the chance of bacterial contamination and erroneous operation even when detached by a manual operation. An object of the present invention is to provide a connector having a simple and reliable connection function that can be attached and detached by a connection device. More specifically, it is a lock-type connector that can be applied to an automatic connection device. Further, even when the connector or a cap attached to the connector is rotated at the time of detachment of the connector, the tube connected to the connector can be rotated. The object of the present invention is to provide a connector having a structure devised so as not to twist the hub.
【0007】[0007]
【課題を解決するための手段】上記課題を解決するた
め、本発明の医療用コネクターは連結すべき一対のコネ
クタ−からなり、その一方が透析液バッグ側コネクター
であり、他方が患者側コネクターであって、前記両コネ
クタ−はそれぞれ各コネクタ−基端部に設けられるチュ
−ブ接続部と、各コネクタ−の基端部とは別の端部に設
けられる先端円筒部を有する腹膜透析用コネクタ−であ
って、両方のコネクタ−の先端円筒部内側に、それぞれ
コネクタ−基端部に結合した環状ルア−部を有し、各コ
ネクタ−先端円筒部は各環状ルア−部先端を覆うように
長く延出され、両コネクタ−を連結するとき、両環状ル
ア−部が液密に周接され、透析液バッグ側コネクタ−の
先端円筒部が、該コネクタ−の基端部とは独立に回転可
能に形成されていることを特徴とする医療用コネクタ−
である。In order to solve the above problems, the medical connector of the present invention comprises a pair of connectors to be connected, one of which is a dialysate bag-side connector and the other is a patient-side connector. The two connectors each have a tube connecting portion provided at a base end of each connector, and a connector for peritoneal dialysis having a distal end cylindrical portion provided at an end different from the base end of each connector. And inside each of the distal end cylindrical portions of the connectors, there is an annular luer portion connected to the proximal end portion of the connector, and each connector distal end cylindrical portion covers the distal end of each annular luer portion. When the two connectors are extended and connected to each other, the annular luer portions are in liquid-tight contact with each other, and the distal end cylindrical portion of the dialysate bag side connector rotates independently of the base end portion of the connector. Is formed to be possible Medical connector which is characterized the door -
It is.
【0008】本発明は別の実施態様として、前記透析液
バッグ側コネクターの先端円筒部内周に雌ねじが形成さ
れ、患者側コネクターの先端円筒部外周に前記雌ねじと
螺着可能な雄ねじの形成された前記医療用コネクターも
含まれる。In another embodiment of the present invention, a female screw is formed on the inner periphery of the distal end cylindrical portion of the dialysate bag-side connector, and a male screw is formed on the outer periphery of the distal end cylindrical portion of the patient-side connector. The medical connector is also included.
【0009】また本発明の主要部分でない技術的な改良
を、本発明に加えた以下のような実施態様も本発明の医
療用コネクターに含まれると考えられる。Further, it is considered that the medical connector of the present invention includes the following embodiments in which technical improvements which are not a main part of the present invention are added to the present invention.
【0010】例えば、前記コネクターにおいて、コネク
ターを連結する前は各コネクターにキャップが装着され
てなる医療用コネクターである。[0010] For example, the connector is a medical connector in which a cap is attached to each connector before the connectors are connected.
【0011】環状ルア−部を有するコネクタ−に装着さ
れるキャップは、環状ルア−部に嵌合または周接する栓
を内周に装着した内筒と、コネクタ−の先端円筒部に形
成したねじに螺合するねじを形成した外筒とを有し、該
外筒先端は前記内筒先端を覆うように長く延出され、外
筒の内周底部には殺菌剤を含有する殺菌パッドが装着さ
れたことを特徴とする前記医療用コネクタ−。A cap attached to a connector having an annular luer portion includes an inner cylinder in which a plug fitted or in contact with the annular luer portion is attached to the inner periphery, and a screw formed in a distal end cylindrical portion of the connector. An outer cylinder formed with a screw to be screwed, the outer cylinder tip is extended to cover the inner cylinder tip, and a sterilizing pad containing a sterilizing agent is attached to the inner peripheral bottom of the outer cylinder. The medical connector.
【0012】周接部に弾性材料からなる封止部材が装着
された前記医療用コネクタ−。[0012] The medical connector, wherein a sealing member made of an elastic material is mounted on a peripheral contact portion.
【0013】前記封止部分が二色成型によって形成され
た前記の医療用コネクタ−。[0013] The medical connector, wherein the sealing portion is formed by two-color molding.
【0014】コネクタ−の脱着を自動的に行う自動接続
装置に使用される前記医療用コネクタ−。The medical connector used in an automatic connection device for automatically attaching and detaching the connector.
【0015】前記自動接続装置に使用する際、コネクタ
−或いはキャップを自動接続装置のホルダ−に把持し易
いように、先端円筒部、コネクタ−キャップのいずれ
か、または全ての該表面に多角形の把持部を有する前記
医療用コネクタ−。When used in the automatic connection device, any one or all of the cylindrical surface of the tip or the connector cap has a polygonal shape so that the connector or cap can be easily gripped by the holder of the automatic connection device. The medical connector having a grip.
【0016】[0016]
【作用】コネクタ−にチュ−ブ接続部とは独立に回転可
能な先端円筒部分が存在するため、コネクタ−を連結す
る場合にコネクタ−を近接した後に、先端円筒部分を回
転することにより、透析液バッグや腹腔カテ−テルに接
続されたチュ−ブを回転させないで(即ち、固定された
チュ−ブを捩れさせることなく)コネクタ−を螺合、連
結することができる。Since the connector has a tip cylindrical portion rotatable independently of the tube connecting portion, the dialysis is performed by rotating the tip cylindrical portion after bringing the connector close when connecting the connector. The connector can be screwed and connected without rotating the tube connected to the liquid bag or the abdominal cavity catheter (ie, without twisting the fixed tube).
【0017】上記のような機構により、自動接続装置に
適用可能なロック式コネクタ−が可能となり、また上記
のコネクタ−の構造を二重壁にすることにより、手技に
よるコネクタ−の脱着を行っても細菌汚染や誤操作する
機会は減少できる。そのために本発明によるコネクタ−
は、手技によっても自動接続装置によっても脱着が可能
となる。With the above-described mechanism, a lock-type connector applicable to an automatic connection device is made possible. Also, by making the structure of the above-mentioned connector a double wall, the connector can be detached and attached by a procedure. Even the chance of bacterial contamination and misoperation can be reduced. Therefore, the connector according to the present invention
Can be attached and detached both by a procedure and by an automatic connection device.
【0018】[0018]
【実施例】本発明を以下に示す図面とともに腹膜透析を
例にとって具体的に説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be specifically described with reference to the drawings shown below, taking peritoneal dialysis as an example.
【0019】図1は本発明の実施例の各コネクタ−の断
面図を示すものである。図1(a)は第1コネクタ−1
0、図1(b)は第1コネクタ−用キャップ20、図1
(c)は第2コネクタ−用キャップ40、図1(d)は
第2コネクタ−30を示す。本実施例において、第1コ
ネクタ−10を透析液バッグ側のコネクタ−とし、第2
コネクタ−30を患者側コネクタ−として以下に説明す
るが、これは本発明を限定するものではなく、目的に応
じて適宜変化させることができる。FIG. 1 is a sectional view of each connector according to the embodiment of the present invention. FIG. 1A shows the first connector-1.
0, FIG. 1 (b) shows the first connector cap 20, FIG.
FIG. 1C shows the second connector cap 40, and FIG. 1D shows the second connector 30. In this embodiment, the first connector 10 is a connector on the dialysate bag side,
The connector 30 will be described below as a patient-side connector, but this does not limit the present invention and can be changed as appropriate according to the purpose.
【0020】第1コネクタ−10は、第1環状ルア−部
11と第1先端円筒部12の二重壁からなり、第1環状
ルア−部11の基端部15には透析液バッグに連なる第
1チュ−ブ接続部16が存在する。第1先端円筒部12
は第1コネクタ−基端部15に、第1コネクタ−基端部
15の外周に設けられた凹部17と第1先端円筒部12
の基端に設けられた凸部18を介して、第1チュ−ブ接
続部16や第1環状ルア−部11とは独立に回転可能に
嵌装されている。第1先端円筒部12の先端は、第1環
状ルア−部11の先端を覆うように長く延出されてお
り、第1先端円筒部12の内周には雌ねじ13が形成さ
れている。また第1環状ルア−部11の先端付近の内周
面には、液密にシ−ルするために弾性材料からなる封止
部材14が埋め込まれている(或いは2色成型されてい
ても良い)。The first connector 10 has a double wall of a first annular luer portion 11 and a first cylindrical end portion 12, and a proximal end portion 15 of the first annular luer portion 11 is connected to a dialysate bag. A first tube connection 16 is present. 1st tip cylindrical part 12
Are a concave portion 17 provided on the outer periphery of the first connector-base end portion 15 and the first distal end cylindrical portion 12.
The first tube connecting portion 16 and the first annular luer portion 11 are rotatably fitted independently via a convex portion 18 provided at the base end of the first tube connecting portion. The distal end of the first distal end cylindrical portion 12 extends long so as to cover the distal end of the first annular luer portion 11, and a female screw 13 is formed on the inner periphery of the first distal end cylindrical portion 12. In addition, a sealing member 14 made of an elastic material is embedded in the inner peripheral surface near the tip of the first annular luer portion 11 for sealing in a liquid-tight manner. ).
【0021】一方、第2コネクタ−30は第2コネクタ
−先端円筒部32と、該円筒部32の内側に形成された
第2環状ルア−部31と、(患者の腹腔カテ−テルや延
長チュ−ブと接続される)第2チュ−ブ接続部35を有
する第2コネクタ−基端部34とからなる。第2コネク
タ−先端円筒部32の基端は第2コネクタ−基端部34
に結合されており、第2コネクタ−先端円筒部32は第
2環状ルア−部31先端を覆うように長く延出されてい
る。第2コネクタ−先端円筒部32の外周には、第1コ
ネクタ−の先端円筒部12内周に設けられた雌ねじ13
と螺合する雄ねじ33が形成されており、また第2環状
ルア−部31の外周が第1環状ルア−部11の先端部内
周に形成された封止部材と液密に周接することができ
る。On the other hand, the second connector 30 includes a second connector-tip cylindrical portion 32, a second annular luer portion 31 formed inside the cylindrical portion 32, and (a patient's abdominal cavity catheter or extension tube). A second connector having a second tube connection 35 (connected to the tube). The base end of the second connector-tip cylindrical portion 32 is the second connector-base end portion 34.
The second connector-tip cylindrical portion 32 is extended to cover the tip of the second annular luer portion 31. A female screw 13 provided on the inner periphery of the distal end cylindrical portion 12 of the first connector is provided on the outer circumference of the second connector distal end cylindrical portion 32.
And the outer periphery of the second annular luer portion 31 can be in fluid-tight contact with the sealing member formed on the inner periphery of the distal end of the first annular luer portion 11. .
【0022】第1コネクタ−と第2コネクタ−が上記の
ような構成を有しているため、これらの両コネクタ−を
螺合する際において、各コネクタ−の基端部に接続され
たチュ−ブを螺合されるコネクタ先端円筒部12と一緒
に回転しなくても連結できるようになる。即ち、前記両
コネクタ−同士を近接し、第1コネクタ−先端円筒部1
2だけを独立に回転することによって、透析液バッグに
接続したチュ−ブ19や腹腔カテ−テル接続したチュ−
ブ36を捩れさせることなく両コネクタ−を連結するこ
とが可能になる。図2は両コネクタ−を連結した際の断
面図であり、第1コネクタ−10と第2コネクタ−30
は、第1先端円筒部12の内周に形成された雌ねじ13
と第2コネクタ−先端円筒部32の外周に形成された雄
ねじ33によって螺合され、第1環状ルア−部11の先
端或いは内周に装着された封止部材14と第2環状ルア
−部31の先端或いは外周が周接することによって、前
記の両コネクタ−の中を流通する液体は液密に保持さ
れ、細菌等の汚染から(腹腔内に直結した液流路が)保
護される。Since the first connector and the second connector have the above-described structure, when these two connectors are screwed together, the tube connected to the base end of each connector is connected. Can be connected without rotating together with the connector tip cylindrical portion 12 to be screwed. That is, the two connectors are brought close to each other, and the first connector-the tip cylindrical portion 1
By rotating only 2 independently, tube 19 connected to the dialysate bag or tube connected to the peritoneal catheter.
The two connectors can be connected without twisting the valve 36. FIG. 2 is a cross-sectional view when both connectors are connected to each other, and shows a first connector 10 and a second connector 30.
Is a female screw 13 formed on the inner periphery of the first tip cylindrical portion 12.
And a sealing member 14 and a second annular luer portion 31 which are screwed together by a male screw 33 formed on the outer periphery of the second connector-end cylindrical portion 32 and which is attached to the distal end or inner periphery of the first annular luer portion 11. The liquid flowing through the two connectors is maintained in a liquid-tight manner by contacting the distal end or the outer periphery of the connector, and the liquid flow path directly connected to the abdominal cavity is protected from contamination by bacteria and the like.
【0023】第2コネクタ−キャップ40は第3内筒4
1と、第3内筒41の基端に結合して第3内筒41の回
りに同心円状に形成された第3外筒42と、第3内筒先
端に嵌接した栓46からなっている。前記第3外筒42
の先端は、第3内筒41の軸方向先端を覆うように長く
延出しており、第3外筒内周には第2コネクタ−先端円
筒部32の外周に形成された雄ねじ33に螺合する雌ね
じ43と、該雌ねじ43が終了する第3外筒先端の内縁
部には弾性材料からなる封止部材45が設けられてい
る。栓46は弾性材料から形成され、第2コネクタ−の
第2環状ルア−部31を押し付けて液密に封止できるよ
うに装着されている。また殺菌剤(通常、ポピドンヨ−
ド液が使用される)を含有した殺菌パッド44は第3内
筒41の基端に装着され、第2コネクタ−30を第2コ
ネクタ−キャップ40に螺合した際に、第2コネクタ−
先端円筒部を殺菌できるようになっている。更に安全を
きすため、第3外筒先端内縁部に封止部材45を装着し
て、第2コネクタ−と螺合した第2コネクタ−キャップ
の中を外部からの汚染から護るように工夫されている。The second connector-cap 40 is connected to the third inner cylinder 4
1, a third outer cylinder 42 connected to the base end of the third inner cylinder 41 and formed concentrically around the third inner cylinder 41, and a stopper 46 fitted to the distal end of the third inner cylinder 41. I have. The third outer cylinder 42
Of the third inner cylinder 41 is extended long so as to cover the axial end of the third inner cylinder 41, and is screwed to an external thread 33 formed on the outer periphery of the second connector-tip cylindrical portion 32 on the inner periphery of the third outer cylinder. A female screw 43 is provided, and a sealing member 45 made of an elastic material is provided at an inner edge of the distal end of the third outer cylinder where the female screw 43 ends. The stopper 46 is formed of an elastic material, and is mounted so as to press against the second annular luer portion 31 of the second connector so as to be sealed in a liquid-tight manner. Also, a bactericide (usually, popidone yo-
The sterilization pad 44 containing the second connector 30 is attached to the base end of the third inner cylinder 41, and when the second connector 30 is screwed into the second connector cap 40, the second connector
The tip cylinder can be sterilized. In order to further enhance safety, a sealing member 45 is attached to the inner edge of the distal end of the third outer cylinder so as to protect the inside of the second connector cap screwed with the second connector from external contamination. I have.
【0024】第1コネクタ−キャップ20は、第1先端
円筒部12の内周に形成された雌ねじ13に螺合できる
ように該キャップ20の外周に雄ねじ22が形成された
第4先端円筒部21と、第4キャップ基端部23を有す
る。The first connector-cap 20 has a fourth distal cylindrical portion 21 having a male screw 22 formed on the outer periphery of the cap 20 so as to be screwed into the female screw 13 formed on the inner periphery of the first distal cylindrical portion 12. And a fourth cap base end 23.
【0025】図3の(a)〜(d)の各図は前記コネク
タ−及びキャップの外形図である。前記コネクタ−及び
キャップの軸部は(e)、(f)に示すように、これら
の脱着のために自動接続装置によって、回転する際に把
持する把持部51、52(12A,23A,32A,4
2A)は多角形(図面では8角形のものを表示)に形成
されており、前記装置で把持する際に滑りにくく、また
前記コネクタ−及びキャップの把持すべき位置が装置の
ホルダ−部よりずれても修正し易いように(許容度が広
くなるように)設計してある。FIGS. 3A to 3D are external views of the connector and the cap. As shown in (e) and (f), the shaft portions of the connector and the cap are gripped by grippers 51 and 52 (12A, 23A, 32A, 32A, 4
2A) is formed in a polygonal shape (octagonal in the drawing), is hard to slip when gripped by the device, and the positions to be gripped by the connector and the cap are shifted from the holder portion of the device. Even so, it is designed so that it can be easily corrected (to increase the tolerance).
【0026】上記のコネクタ−及びキャップの接続の組
合せ順序を図4を参照しながら説明する。 貯留時 第2コネクタ−(患者側コネクタ−)30に第2コネク
タ−(患者側)キャップ40が捩じ込まれている。 排液(貯留液の) 第2コネクタ−(患者側コネクタ−)30から第2コネ
クタ−(患者側)キャップ40を外す。またY型チュ−
ブによって透析液バッグ60と排液バッグ61が接続さ
れたセットに付属の第1コネクタ−(バッグ側コネクタ
−)10から第1コネクタ−(バッグ側)キャップ20
を外す[図4(a)→図4(b)]。The combination sequence of the above-mentioned connector and cap connection will be described with reference to FIG. During storage, a second connector (patient side) cap 40 is screwed into the second connector (patient side connector) 30. The second connector (patient side) cap 40 is removed from the drainage (reserved liquid) second connector (patient side connector) 30. In addition, Y type tube
The first connector (bag-side connector) 10 to the first connector (bag-side) cap 20 attached to the set in which the dialysate bag 60 and the drainage bag 61 are connected by the
[FIG. 4 (a) → FIG. 4 (b)].
【0027】次に第2コネクタ−(患者側コネクタ−)
30に第1コネクタ−(バッグ側コネクタ−)10を捩
じ込む[図4(c)→図4(d)]。この状態で空の排
液バッグ61に患者の腹腔内に貯留した透析液を排出す
る。なお、第1コネクタ−(バッグ側コネクタ−)10
には空の排液バッグ61だけでなく、透析液の入った透
析液バッグ60も付いているため、バルブを切り換える
ことによって患者の腹腔からの液の排出及び透析液の注
入を行うようにしている。 透析液注入 排液が終了後、透析液バッグから患者の腹腔内に透析液
の注入を開始する。 操作終了時 透析液の注入が終了すると、第2コネクタ−(患者側コ
ネクタ−)30と第1コネクタ−(バッグ側コネクタ
−)10とを外し[図4(d)→図4(e)]、第2コ
ネクタ−(患者側コネクタ−)30には新しい第2コネ
クタ−(患者側)キャップ40を、第1コネクタ−(バ
ッグ側コネクタ−)10には第1コネクタ−(バッグ
側)キャップ20をそれぞれ被せて捩じ込む[図4
(f)→図4(g)]。Next, the second connector (patient connector)
The first connector (bag-side connector) 10 is screwed into the connector 30 [FIG. 4 (c) → FIG. 4 (d)]. In this state, the dialysate stored in the abdominal cavity of the patient is discharged into the empty drainage bag 61. The first connector (bag-side connector) 10
Has not only an empty drainage bag 61 but also a dialysate bag 60 containing dialysate, so that the valve is switched to discharge the fluid from the abdominal cavity of the patient and inject the dialysate. I have. Dialysate Injection After drainage is complete, inject dialysate from the dialysate bag into the patient's peritoneal cavity. At the end of the operation When the dialysate injection is completed, the second connector (patient connector) 30 and the first connector (bag connector) 10 are disconnected [FIG. 4 (d) → FIG. 4 (e)]. The second connector (patient connector) 30 has a new second connector (patient side) cap 40 and the first connector (bag side connector) 10 has a first connector (bag side) cap 20. And screw them in [Figure 4
(F) → FIG. 4 (g)].
【0028】以上のコネクタ−及びキャップの着脱を自
動的に行う自動接続装置の基本的構成図を図5に示す。FIG. 5 shows a basic configuration diagram of an automatic connection device for automatically attaching and detaching the above-mentioned connector and cap.
【0029】自動接続装置70は駆動部にて回転するね
じ棒71と、このねじ棒71に螺合されたブロック72
と、ブロック72と一体となって移動し、別の駆動部に
て独立に回転が可能な第2ギヤ79と、第2ギヤ79と
噛み合う第2コネクタ−キャップ40を保持する第2キ
ャップホルダ−77Aと、同じく第2ギヤ79と噛み合
い第1コネクタ−10の把持部12Aを保持する第2コ
ネクタ−ホルダ−78Aと、第1チュ−ブ接続部16或
いは第1コネクタ−基端部15を保持するチュ−ブ接続
部ホルダ−78Bと、別の駆動部にて独立に回転が可能
なピニオンギヤ73と、ピニオンギヤ73と噛み合うラ
ックを底部に形成した基板74と、基板74に設けられ
た第2コネクタ−30を保持する第1コネクタ−ホルダ
−75と、同じく基板74に設けられ第1コネクタ−キ
ャップ20を保持する第1キャップホルダ−76とを備
えている。ねじ棒71と第2ギヤ79の回転によって、
コネクタ−やキャップを保持している各ホルダ−が回転
し、コネクタ−からキャップを外す。このとき、チュ−
ブ接続部16はチュ−ブ接続部ホルダ−78Bによって
保持され、第1コネクタ−の先端円筒部12は第2コネ
クタ−ホルダ−78Aによって保持され、チュ−ブ接続
部16とは独立に回転されるため、自動接続装置を使用
してコネクタ−の脱着を行った場合にチュ−ブが捩れる
ことがない。また、ピニオンギヤ73の回転によって、
基板74がスライドし、キャップから或いはコネクタ−
同士の連結から分離された各コネクタ−は平行移動する
ことが可能となる。ねじ棒71、第2ギヤ79及びピニ
オンギヤ73の回転は各駆動部を計装部分にて集中制御
しているが、別途ストッパ−、リミッタ−を設けること
で、ねじ棒71を第2ギヤ79及びピニオンギヤ73と
噛み合わせて単独の駆動部にて運転させることも可能で
ある。The automatic connection device 70 includes a screw rod 71 rotated by a driving unit, and a block 72 screwed to the screw rod 71.
And a second gear 79 that moves integrally with the block 72 and can be independently rotated by another driving unit, and a second connector that holds the second gear 79 and a second cap holder that holds the cap 40. 77A, a second connector-holder 78A that also engages with the second gear 79 and holds the grip portion 12A of the first connector 10, and holds the first tube connection portion 16 or the first connector base end portion 15. Tube connecting portion holder 78B, a pinion gear 73 that can be independently rotated by another driving portion, a board 74 formed at the bottom with a rack that meshes with the pinion gear 73, and a second connector provided on the board 74. A first connector-holder 75 for holding the first -30 is provided, and a first cap holder 76 for holding the first connector-cap 20 also provided on the substrate 74. By the rotation of the screw rod 71 and the second gear 79,
Each holder holding the connector and the cap rotates, and the cap is removed from the connector. At this time,
The tube connecting portion 16 is held by a tube connecting portion holder 78B, and the tip end cylindrical portion 12 of the first connector is held by a second connector holder 78A, and is rotated independently of the tube connecting portion 16. Therefore, the tube is not twisted when the connector is attached or detached using the automatic connection device. Further, by the rotation of the pinion gear 73,
The board 74 slides and comes out of the cap or connector
Each connector separated from the connection between them can move in parallel. The rotation of the screw rod 71, the second gear 79 and the pinion gear 73 is controlled centrally by the instrumentation part of each drive unit. However, by separately providing a stopper and a limiter, the screw rod 71 can be rotated by the second gear 79 and the pinion gear 73. It is also possible to operate with a single drive unit by meshing with the pinion gear 73.
【0030】[0030]
【発明の効果】本発明の医療用コネクタ−によると、透
析液バッグや腹腔カテ−テルに接続したチュ−ブをコネ
クタ−と一緒に回転することなく、螺合によってコネク
タ−を確実に連結できる。即ち、コネクタ−を回転させ
てもチュ−ブが捩じれることがない。そのため、ロック
式である該コネクタ−を自動接続装置に適用することが
可能となる。また自動接続装置を使用しないで、手技に
よってコネクタ−の脱着を行う場合でも、既述したよう
な構造を有しているために細菌汚染やスパイク針の脱
落、等の誤操作に伴う危険性が減少できる。According to the medical connector of the present invention, the tube connected to the dialysate bag or the abdominal cavity catheter can be securely connected by screwing without rotating together with the connector. . That is, the tube is not twisted even when the connector is rotated. Therefore, it is possible to apply the lock type connector to an automatic connection device. In addition, even if the connector is attached and detached by a procedure without using an automatic connection device, the risk of erroneous operations such as bacterial contamination and dropout of spike needles is reduced due to the structure as described above. it can.
【0031】以上のように、本発明のコネクタ−は手技
によって脱着を行った場合でも細菌汚染や針脱落が減少
でき、更に簡単な機構で自動接続装置による確実な脱着
が可能となる。As described above, the connector of the present invention can reduce bacterial contamination and needle detachment even when detached by a technique, and can be securely detached by an automatic connection device with a simple mechanism.
【図1】本発明の実施例のコネクタ−及びキャップの構
造を示す断面図である。FIG. 1 is a sectional view showing a structure of a connector and a cap according to an embodiment of the present invention.
【図2】連結した状態の第1コネクタ−及び第2コネク
タ−を示す断面図である。FIG. 2 is a cross-sectional view showing a first connector and a second connector in a connected state.
【図3】(a)〜(d)は図1のコネクタ−及びキャッ
プの正面図、(e)、(f)は側面図である。3 (a) to 3 (d) are front views of the connector and the cap of FIG. 1, and FIGS. 3 (e) and 3 (f) are side views.
【図4】本発明の実施例のコネクタ−及びキャップの相
互接続の順序を示す説明図である。FIG. 4 is an explanatory view showing the order of interconnection of the connector and the cap according to the embodiment of the present invention.
【図5】本発明のコネクタ−を用いた自動接続装置の基
本的構成を示す斜視図であり、(a)が展開図、(b)
が組立図である。FIGS. 5A and 5B are perspective views showing a basic configuration of an automatic connection device using the connector of the present invention, wherein FIG.
Is an assembly drawing.
10.第1コネクタ− 11.第1環状ルア−部 12.第1先端円筒部 12A.把持部 13.雌ねじ 14.封止部材 15.第1コネクタ−基端部 16.第1チュ−ブ接続部 17.凹部 18.凸部 19.チュ−ブ 20.第1コネクタ−キャップ 21.第4先端円筒部 22.雄ねじ 23.第4キャップ基端部 23A.把持部 30.第2コネクタ− 31.第2環状ルア−部 32.第2先端円筒部 32A.把持部 33.雄ネジ 34.第2コネクタ−基端部 35.第2チュ−ブ接続部 36.チュ−ブ 40.第2コネクタ−キャップ 41.第3内筒 42.第3外筒 42A.把持部 43.雌ネジ 44.殺菌パッド 45.封止部材 46.栓 51.把持部 52.把持部 60.透析バッグ 61.排液バッグ 62.腹腔 70.自動接続装置 71.ねじ棒 72.ブロック 73.ピニオンギヤ 74.基板 75.第1コネクタ−ホルダ− 76.第1キャップホルダ− 77A.第2キャップホルダ− 78A.第2コネクタ−ホルダ− 78B.チュ−ブ接続部ホルダ− 79.第2ギヤ 10. 1st connector-11. First annular luer part 12. 1st tip cylindrical part 12A. Grip part 13. Female screw 14. Sealing member 15. First connector-proximal end 16. First tube connecting portion 17. Recess 18. Convex part 19. Tube 20. First connector-cap 21. Fourth tip cylindrical portion 22. Male screw 23. Fourth cap base end 23A. Grip part 30. Second connector 31. Second annular luer portion 32. Second tip cylindrical portion 32A. Grip part 33. Male screw 34. Second connector-proximal end 35. Second tube connecting portion 36. Tube 40. Second connector-cap 41. Third inner cylinder 42. Third outer cylinder 42A. Grip part 43. Female screw 44. Sterilization pad 45. Sealing member 46. Stopper 51. Grip part 52. Grip part 60. Dialysis bag 61. Drainage bag 62. Peritoneal cavity 70. Automatic connection device 71. Screw rod 72. Block 73. Pinion gear 74. Substrate 75. First connector-holder-76. First cap holder 77A. Second cap holder 78A. Second connector-holder 78B. Tube connection part holder 79. 2nd gear
フロントページの続き (58)調査した分野(Int.Cl.6,DB名) A61M 1/28 A61M 1/14 593 Continuation of front page (58) Field surveyed (Int.Cl. 6 , DB name) A61M 1/28 A61M 1/14 593
Claims (8)
の一方が透析液バッグ側コネクターであり、他方が患者
側コネクターであって、前記両コネクタ−はそれぞれ各
コネクタ−基端部に設けられるチュ−ブ接続部と、各コ
ネクタ−の基端部とは別の端部に設けられる先端円筒部
を有する腹膜透析用コネクタ−であって、両方のコネク
タ−の先端円筒部内側に、それぞれコネクタ−基端部に
結合した環状ルア−部を有し、各コネクタ−先端円筒部
は各環状ルア−部先端を覆うように長く延出され、両コ
ネクタ−を連結するとき、両環状ルア−部が液密に周接
され、透析液バッグ側コネクタ−の先端円筒部が、該コ
ネクタ−の基端部とは独立に回転可能に形成されている
ことを特徴とする医療用コネクタ−。1. A pair should consolidate connectors - made, its
One is the dialysate bag side connector and the other is the patient
Side connectors, wherein each of the two connectors has a tube connecting portion provided at a base end of each connector, and a peritoneum having a tip cylindrical portion provided at an end different from the base end of each connector. Dialysis connector, both connectors
On the inside of the cylinder at the tip of the tar
Each connector has a cylindrical luer part,
Are extended so as to cover the tip of each annular luer.
When connecting the connectors, the two annular luer parts are in liquid-tight
A medical connector characterized in that a distal cylindrical portion of a dialysate bag-side connector is formed so as to be rotatable independently of a base end of the connector.
部内周に雌ねじが形成され、患者側コネクターの先端円
筒部外周に前記雌ねじと螺着可能な雄ねじの形成された
請求項1記載の医療用コネクター。 2. A cylindrical tip of the connector on the dialysate bag side.
A female screw is formed on the inner periphery of the
A male screw which can be screwed to the female screw is formed on the outer periphery of the cylindrical portion.
The medical connector according to claim 1.
結する前は各コネクターにキャップが装着されてなる請
求項1または2記載の医療用コネクター。3. The connector as claimed in claim 2, wherein
3. The medical connector according to claim 1 , wherein a cap is attached to each connector before the connection .
れるキャップは、環状ルアー部に嵌合または周接する栓
を内周に装着した内筒と、コネクターの先端円筒部に形
成したねじに螺合するねじを形成した外筒とを有し、該
外筒先端は前記内筒先端を覆うように長く延出され、、
外筒の内周底部には殺菌剤を含有する殺菌パッドが装着
されたことを特徴とする請求項3記載の医療用コネクタ
ー。 4. A cap attached to a connector having an annular luer portion, wherein a cap fitted on or around the annular luer portion is screwed to an inner cylinder having an inner periphery attached thereto and a screw formed at a distal end cylindrical portion of the connector. An outer cylinder having a thread formed therein, wherein the outer cylinder tip is extended to cover the inner cylinder tip,
The medical connector according to claim 3, wherein a sterilizing pad containing a sterilizing agent is mounted on an inner peripheral bottom of the outer cylinder.
-
なる封止部材が装着された請求項1〜4のいずれかの項
に記載の医療用コネクター。 5. The sealing member according to claim 1, wherein a sealing member made of an elastic material is mounted on a peripheral contact portion which is peripherally contacted in a liquid-tight manner.
The medical connector according to claim 1.
た請求項5記載の医療用コネクター 。 6. The medical connector according to claim 5, wherein said sealing portion is formed by two-color molding .
接続装置に使用される請求項1〜6のいずれかの項に記
載された医療用コネクター。 7. A serial to any one of claims 1 to 6 for use in automatic connection apparatus for automatically detaching the connector
Onboard medical connector.
クター或いはキャップを自動接続装置のホルダーに把持
し易いように、先端円筒部、コネクターキャップのいず
れか、または全てのこれら表面に多角形の把持部を有す
る請求項1〜7のいずれかの項に記載された医療用コネ
クター。 8. When used in the automatic connection device, any one or all of the tip cylindrical portion and the connector cap have a polygonal surface so that the connector or the cap can be easily gripped by a holder of the automatic connection device. The medical connector according to claim 1, further comprising a grip.
Doctor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6329682A JP2947105B2 (en) | 1994-12-01 | 1994-12-01 | Medical connector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6329682A JP2947105B2 (en) | 1994-12-01 | 1994-12-01 | Medical connector |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP37498498A Division JP3598859B2 (en) | 1998-12-10 | 1998-12-10 | Medical connector device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH08155025A JPH08155025A (en) | 1996-06-18 |
JP2947105B2 true JP2947105B2 (en) | 1999-09-13 |
Family
ID=18224096
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6329682A Expired - Fee Related JP2947105B2 (en) | 1994-12-01 | 1994-12-01 | Medical connector |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2947105B2 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6485483B1 (en) | 1998-07-13 | 2002-11-26 | Jms Co., Ltd. | Medical tube-connector device |
JP2001346887A (en) * | 2000-04-07 | 2001-12-18 | Hideto Oishi | Esophageal fistula button |
JP2004355987A (en) | 2003-05-30 | 2004-12-16 | Nec Corp | Waterproof modular connector |
JP4064898B2 (en) * | 2003-09-03 | 2008-03-19 | ポリエン・プロジェクト有限会社 | Fluid pipe connection device |
JP5449869B2 (en) * | 2009-06-03 | 2014-03-19 | 川澄化学工業株式会社 | Male shunt cap and extracorporeal circuit |
KR101348575B1 (en) * | 2009-06-04 | 2014-01-07 | 가부시끼가이샤 제이엠에스 | Female connector, male connector,connection structure, liquid supply circuit, and medical container |
CN102686253B (en) * | 2009-10-30 | 2015-04-01 | 凯斯特连接公司 | Disinfecting caps and systems and associated methods |
JP7077016B2 (en) * | 2015-03-30 | 2022-05-30 | 株式会社ジェイ・エム・エス | cap |
WO2016198092A1 (en) | 2015-06-08 | 2016-12-15 | Stephan Fox | Apparatus for connecting a tube connector to a fitting and to fasten or unfasten closure caps |
CN108014529B (en) * | 2018-01-10 | 2024-01-23 | 中国人民解放军陆军军医大学第二附属医院 | Peritoneal dialysis waste liquid treatment device |
-
1994
- 1994-12-01 JP JP6329682A patent/JP2947105B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH08155025A (en) | 1996-06-18 |
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