JPH0638858B2 - Multi-lumen catheter assembly and method of making same - Google Patents
Multi-lumen catheter assembly and method of making sameInfo
- Publication number
- JPH0638858B2 JPH0638858B2 JP62158144A JP15814487A JPH0638858B2 JP H0638858 B2 JPH0638858 B2 JP H0638858B2 JP 62158144 A JP62158144 A JP 62158144A JP 15814487 A JP15814487 A JP 15814487A JP H0638858 B2 JPH0638858 B2 JP H0638858B2
- Authority
- JP
- Japan
- Prior art keywords
- lumen
- outer cylinder
- extension tube
- connecting end
- catheter
- 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
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は複数内腔を有するカテーテル本体と、これに接
合された延長チューブと、さらに、これらを固定する固
定部材とからなる複数内腔カテーテル組立体およびその
組立て方法に関する。Description: TECHNICAL FIELD The present invention relates to a multi-lumen catheter including a catheter body having a plurality of lumens, an extension tube joined to the catheter body, and a fixing member for fixing these. The present invention relates to an assembly and an assembling method thereof.
複数内腔カテーテルにおいては、その内腔容積をできる
だけ大きく利用するために一般に内腔断面形状は第２ｂ
図に示す如く円形でない。しかし、カテーテル本体に接
続される延長チューブの断面形状は円形であることが多
く、これらをそのまま接続しても気密な接続は得られな
い。In multi-lumen catheters, the lumen cross-sectional shape is generally second b in order to utilize the lumen volume as large as possible.
It is not circular as shown. However, the extension tube connected to the catheter body often has a circular cross-sectional shape, and even if these are connected as they are, an airtight connection cannot be obtained.
これを解決するため、従来は内腔と同一形状の成形物を
介して接続する方法、あるいは接着剤でカテーテル内腔
と延長チューブとの隙間を充填する方法が用いられてい
た。In order to solve this, conventionally, a method of connecting through a molded product having the same shape as the lumen or a method of filling a gap between the catheter lumen and the extension tube with an adhesive has been used.
しかし、カテーテル内腔と同一形状の成形物を介して接
続する方法は製造コストが高くなり好ましくなく、他
方、接着剤でカテーテル内腔と延長チューブとの隙間を
充填する方法は完全な気密を得ることが困難であるとい
う問題がある。However, the method of connecting through a molded article having the same shape as the catheter lumen is not preferable because it increases the manufacturing cost, while the method of filling the gap between the catheter lumen and the extension tube with an adhesive agent obtains complete airtightness. The problem is that it is difficult.
さらに、このような従来の複数内腔カテーテルはカテー
テル本体と延長チューブとの接合強度が充分でなく、取
扱い時に延長チューブがカテーテル本体から抜け落ち易
いと言う問題もある。Further, such a conventional multi-lumen catheter has a problem in that the joint strength between the catheter body and the extension tube is not sufficient, and the extension tube easily falls off from the catheter body during handling.
したがって、本発明はカテーテル本体と延長チューブと
の接続部の気密性が良く、かつ接合強度の大きい複数内
腔カテーテル組立体およびその組立て方法を提供するこ
とを目的とする。Therefore, it is an object of the present invention to provide a multi-lumen catheter assembly having a high airtightness at the connecting portion between the catheter body and the extension tube and a high joint strength, and an assembling method thereof.
本発明は上記問題点を解決するための手段として、延長
チューブの接続端の外形と異なる形状に形成された複数
の内腔を有するカテーテル本体の接続端部を、延長チュ
ーブの接続端の外形に合わせて成形し、ついで、これら
を嵌合、接続したのち、この接続部を固定部材で被覆し
て一体的に固定し、気密性および接合強度を向上させる
という手段を採用した。As a means for solving the above problems, the present invention provides a connecting end portion of a catheter body having a plurality of lumens formed in a shape different from the outer shape of the connecting end of the extension tube to the outer shape of the connecting end of the extension tube. A method was adopted in which they were molded together, and then these were fitted and connected, and then the connecting portion was covered with a fixing member to be integrally fixed to improve airtightness and bonding strength.
すなわち、この発明は延長チューブの接続端の外形と異
なる形状に形成された複数の内腔を有する主要部と、該
内腔と連通し該延長チューブの接続端の外形に合わせて
成形された複数の内腔を有する接続端部とを備えたカテ
ーテル本体と、該カテーテル本体の接続端部の前記内腔
のそれぞれに一端が挿着された複数の延長チューブと、
このカテーテル本体の上記接続端部を一体的に被覆して
なる固定部材とを具備してなることを特徴とする複数内
腔カテーテル組立体を提供するものである。That is, the present invention is directed to a main part having a plurality of inner cavities formed in a shape different from the outer shape of the connecting end of the extension tube, and a plurality of parts formed in communication with the inner cavities so as to conform to the outer shape of the connecting end of the extension tube. A catheter body having a connecting end having a lumen, and a plurality of extension tubes having one end inserted into each of the lumens of the connecting end of the catheter body,
The present invention provides a multi-lumen catheter assembly comprising a fixing member formed by integrally covering the connecting end portion of the catheter body.
さらに、本発明は延長チューブの接続端の外形と異なる
形状に形成された複数の内腔を有するカテーテル本体に
延長チューブの接続端を接続することからなる複数内腔
カテーテル組立体の製造方法であって、カテーテル本体
の接続端部を延長チューブの接続端の外形に合わせて成
形し、この成形されたカテーテル本体接続端部内腔に複
数の延長チューブのそれぞれの接続端を挿入、固定し、
さらに上記カテーテル本体の接続端部と延長チューブと
の接続部を固定部材を用いて一体的に被覆することを特
徴とする複数内腔カテーテル組立体の製造方法を提供す
るものである。Further, the present invention is a method for manufacturing a multi-lumen catheter assembly, which comprises connecting the connecting end of the extension tube to a catheter body having a plurality of lumens formed in a shape different from the outer shape of the connecting end of the extension tube. Then, the connecting end of the catheter body is molded to match the outer shape of the connecting end of the extension tube, and the connecting ends of the plurality of extension tubes are inserted and fixed in the molded catheter body connecting end lumen.
Further, the present invention provides a method for manufacturing a multi-lumen catheter assembly, characterized in that the connecting portion between the connecting end portion of the catheter body and the extension tube is integrally covered with a fixing member.
なお、上記固定部材は接着剤のみからなるもの、あるい
は外筒と、この外筒内に充填された充填剤からなるもの
であってもよい。また、外筒は筒状外筒本体と、その開
口端に接続するキャップとからなるものであってもよ
い。カテーテル内腔と延長チューブとの固定はケトン、
エステル、塩素化炭化水素、芳香族炭化水素等の溶剤に
よる溶着、アクリル系、ポリウレタン系、エポキシ系、
EVA系、シリコーン系、フェノール系等の接着剤による
接着、あるいは電熱、超音波、高周波等による加熱手段
を用いた融着によっておこなうことができる。The fixing member may be made of only an adhesive agent, or may be made of an outer cylinder and a filler filled in the outer cylinder. Further, the outer cylinder may be composed of a cylindrical outer cylinder body and a cap connected to the opening end thereof. The catheter lumen and extension tube are fixed with ketone,
Welding with solvents such as esters, chlorinated hydrocarbons, aromatic hydrocarbons, acrylic, polyurethane, epoxy,
It can be performed by adhesion with an EVA-based, silicone-based, or phenol-based adhesive, or by fusion with a heating means such as electric heat, ultrasonic waves, or high frequency.
外筒内に充填する充填剤としてはエポキシ樹脂、シリコ
ーン樹脂、ポリウレタン樹脂、アクリル樹脂、EVA樹
脂、フェノール樹脂又は塩化ビニル樹脂を用いることが
できる。An epoxy resin, a silicone resin, a polyurethane resin, an acrylic resin, an EVA resin, a phenol resin or a vinyl chloride resin can be used as the filler to be filled in the outer cylinder.
本発明の複数内腔カテーテル組立体においては、カテー
テル本体と延長チューブとの接合部が固定部材を介して
外側から一体的に固定されることになるから、接合部分
の気密性および接合強度を著るしく向上させることが可
能となる。In the multi-lumen catheter assembly of the present invention, the joint portion between the catheter body and the extension tube is integrally fixed from the outside through the fixing member, so that the airtightness and the joint strength of the joint portion are significantly improved. It is possible to improve it.
以下、本発明を図示の実施例を参照して説明する。 Hereinafter, the present invention will be described with reference to the illustrated embodiments.
まず、第２ａ図に示すように、カテーテル本体１を押出
し成形により所定の外径を有する主要部１ａと延長チュ
ーブ接続用のテーパー状に拡がった拡大基部１ｂとを、
樹脂吐出量、引張り速度、内腔内圧等の調整により連続
的に成形し、所定の長さにて切断する。その結果第２ｂ
図に示す如き断面形状が円形でない４つの内腔2a〜2dを
有する例えばポリ塩化ビニル製のカテーテル本体１が得
られる。First, as shown in FIG. 2a, a main body 1a having a predetermined outer diameter is formed by extrusion molding the catheter body 1 and a taper-shaped enlarged base portion 1b for connecting an extension tube,
The resin is continuously molded by adjusting the discharge amount of resin, the pulling speed, the internal pressure of the lumen, etc., and cut into a predetermined length. As a result, 2b
As shown in the figure, a catheter body 1 made of, for example, polyvinyl chloride having four lumens 2a to 2d whose cross-sectional shape is not circular is obtained.
次に、第３ａ図および第３ｂ図に示す如く、各内腔2a〜
2dに、接続されるべき延長チューブ３（第５図参照）の
外径にほぼ等しいステンレス鋼製の芯金４を必要な深さ
まで圧入する。Next, as shown in FIGS. 3a and 3b, each lumen 2a ...
A stainless steel mandrel 4 having a diameter substantially equal to the outer diameter of the extension tube 3 (see FIG. 5) to be connected is press-fitted into 2d to a required depth.
次に、カテーテル本体１をステンレス鋼製の成形型５
に、第３ａ図および第３ｂ図に示す如く、一部分のみ導
入した状態で熱風により加熱する。この場合の加熱温度
はカテーテル本体１がやや軟化する温度が好ましく、例
えばポリ塩化ビニル製のカテーテル本体１の場合、約40
〜90℃が適当である。なお、この軟化温度への加熱は成
形型５に導入しながらおこなうようにしてもよい。Next, the catheter body 1 is attached to the stainless steel forming die 5
In addition, as shown in FIGS. 3a and 3b, heating is performed by hot air with only a part introduced. The heating temperature in this case is preferably a temperature at which the catheter body 1 is slightly softened. For example, in the case of the polyvinyl chloride catheter body 1, the heating temperature is about 40
A temperature of ~ 90 ° C is suitable. The heating to the softening temperature may be performed while being introduced into the molding die 5.
次に、カテーテル本体１の成形予定部１ｂの加熱を持続
しながら、カテーテル本体１を成形型５内に引き入れ
る。しかして、カテーテル本体１の末端部１ｃが成形型
５の入口５ａの手前５〜20mm迄、引き入れられたところ
で、カテーテル本体１の引き入れを一旦停止し、カテー
テル本体１の成形予定部１ｂをさらに高い温度にて加熱
する。この場合の加熱温度は、成形予定部１ｂが充分に
変形可能な温度が好ましく、上記ポリ塩化ビニル製カテ
ーテルの場合は約100〜150℃に加熱することが好まし
い。Next, the catheter body 1 is drawn into the molding die 5 while continuing to heat the portion to be molded 1b of the catheter body 1. Then, when the distal end portion 1c of the catheter body 1 is pulled in 5 to 20 mm before the entrance 5a of the molding die 5, the pulling-in of the catheter body 1 is temporarily stopped, and the molding portion 1b of the catheter body 1 is further raised. Heat at temperature. In this case, the heating temperature is preferably a temperature at which the portion to be molded 1b can be sufficiently deformed, and in the case of the above polyvinyl chloride catheter, it is preferable to heat to about 100 to 150 ° C.
成形予定部１ｂが変形温度に達したとき、第４ａ図に示
す如く成形予定部１ｂを成形型５内に完全に引き入れ、
さらに加熱を１〜２分間持続することにより芯金４の形
状に合致した断面円形の内腔2e〜2h（第４ｂ図参照）を
カテーテル本体１の接続端部に成形することができる。
次に成形型５を空冷又は水冷により冷却したのち、成形
型５からカテーテル本体１を取り出し、芯金４を内腔2e
〜2hから抜き取り、成形工程が完了する。When the planned molding portion 1b reaches the deformation temperature, the planned molding portion 1b is completely drawn into the molding die 5 as shown in FIG. 4a.
Further, by continuing heating for 1 to 2 minutes, it is possible to form the inner cavities 2e to 2h (see FIG. 4b) having a circular cross-section that conforms to the shape of the cored bar 4 at the connecting end of the catheter body 1.
Next, after cooling the molding die 5 by air cooling or water cooling, the catheter body 1 is taken out from the molding die 5 and the core metal 4 is placed in the lumen 2e.
Extract from ~ 2h and complete the molding process.
このように、カテーテル本体１の成形予定部１ｂの加熱
を複数段階に分けることによって、カテーテル本体１の
引き入れ、および成形に最適な加工温度を選択すること
ができ、円滑な成形加工が可能となる。Thus, by dividing the heating of the portion to be molded 1b of the catheter body 1 into a plurality of stages, it is possible to select the optimum processing temperature for drawing in and molding the catheter body 1 and enabling smooth molding. .
このようにして成形されたカテーテル本体１の内腔2e〜
2hに接着剤６を塗布した延長チューブ３を挿入し接着剤
６を硬化させることにより、カテーテル本体１と延長チ
ューブ３との円滑かつ気密な接続を得ることができる
（第５図参照）。The lumen 2e of the catheter body 1 molded in this way
A smooth and airtight connection between the catheter body 1 and the extension tube 3 can be obtained by inserting the extension tube 3 coated with the adhesive 6 into 2h and curing the adhesive 6 (see FIG. 5).
次に、第１図に示すように、内径がカテーテル本体１の
拡大基部１ａより大きい部分を持つ外筒本体７で、この
延長チューブ３の接続部を覆い、外筒７内に充填樹脂８
を充填する。ついで延長チューブ３を貫通させたキャッ
プ９を外筒本体７の開口部に挿入し、接着剤、超音波、
高周波等により外筒本体７に接合させ、組立てが完了す
る。Next, as shown in FIG. 1, the connecting portion of the extension tube 3 is covered with an outer cylinder main body 7 having an inner diameter larger than the enlarged base portion 1a of the catheter main body 1, and the filling resin 8 is filled in the outer cylinder 7.
To fill. Then, the cap 9 penetrating the extension tube 3 is inserted into the opening of the outer cylinder body 7, and the adhesive, ultrasonic waves,
The assembly is completed by joining the outer cylinder body 7 with a high frequency wave or the like.
なお、上記実施例においては、カテーテル本体１の成形
予定部１ｂの加熱を熱風を用いておこなう例について説
明したが、これ以外に、電熱線、超音波、高周波等によ
り、又はこれらを組合せておこなってもよい。さらにカ
テーテル本体１の内腔2e〜2hと延長チューブ３との接合
は上述の接着剤による方法以外に超音波融着、高周波融
着によっておこなってもよい。なお、接着剤の例として
はエポキシ系、ポリウレタン系、アクリル系、EVA系、
シリコーン系、フェノール系等の適当なものを選択する
ことができ、円滑な成形加工が可能となる。It should be noted that, in the above-mentioned embodiment, an example in which the planned molding portion 1b of the catheter body 1 is heated using hot air has been described, but in addition to this, heating wire, ultrasonic waves, high frequency, etc., or a combination thereof may be used. May be. Further, the lumens 2e to 2h of the catheter body 1 and the extension tube 3 may be joined by ultrasonic welding or high-frequency welding other than the above-mentioned method using an adhesive. Note that examples of adhesives include epoxy-based, polyurethane-based, acrylic-based, EVA-based,
It is possible to select an appropriate material such as silicone type or phenol type, which enables smooth molding.
又、上記実施例ではカテーテル本体１と延長チューブ３
との固定部材として外筒本体７およびキャップ９を用い
る例について説明したが、必ずしも、これに限定され
ず、例えばこのような外筒を用いずに、単に接着剤層を
以って同様に被覆させて固定するようにしてもよい。In the above embodiment, the catheter body 1 and the extension tube 3 are used.
Although the example in which the outer cylinder main body 7 and the cap 9 are used as the fixing members for and is described above, the present invention is not necessarily limited to this. For example, without using such an outer cylinder, a similar coating is simply performed with an adhesive layer. You may make it fix it.
以上詳述した如く、本発明の複数内腔カテーテル組立体
によれば延長チューブの接続端の外形と異なる形状に形
成された複数の内腔を有するカテーテル本体の接続端部
を、延長チューブの接続端の外形に合わせて成形し、つ
いで、これらを嵌合、接続したのち、カテーテル本体と
延長チューブとの接合部に外筒等の固定部材を被覆させ
たから、この接合部の気密性がいっそう向上するととも
に、接合強度の改良が図られ、したがって取扱い時に不
用意に延長チューブが抜けるおそれがない。As described above in detail, according to the multi-lumen catheter assembly of the present invention, the connecting end of the catheter body having a plurality of lumens formed in a shape different from the outer shape of the connecting end of the extension tube is connected to the extension tube. After molding according to the outer shape of the end, then fitting and connecting these, the joint part between the catheter body and the extension tube is covered with a fixing member such as an outer cylinder, so the airtightness of this joint part is further improved At the same time, the joint strength is improved, and therefore the extension tube will not accidentally come off during handling.
第１図は本発明の複数内腔カテーテル組立体の一部断面
図、第２ａ図は複数内腔カテーテルの基部の断面図、第
２ｂ図は第２ａ図のＢ−Ｂ線に沿う断面図、第３ａ図は
本発明の方法を説明するための成形機構の断面図、第３
ｂ図は第３ａ図のＢ−Ｂ線に沿う断面図、第４ａ図は第
３ａ図に続く工程を示す断面図、第４ｂ図は第４ａ図の
Ｂ−Ｂ線に沿う断面図、第５図はカテーテル本体に延長
チューブを接続した状態を示す１部断面図である。 １…カテーテル本体、１ａ…カテーテル本体主要部、１
ｂ…拡大基部、2a〜2h…内腔、３…延長チューブ、４…
芯金、５…成形型、５ａ…成形型入口、６…接着剤、７
…外筒本体、８…充填樹脂、９…キャップ。1 is a partial cross-sectional view of a multi-lumen catheter assembly of the present invention, FIG. 2a is a cross-sectional view of the base of a multi-lumen catheter, and FIG. 2b is a cross-sectional view taken along line BB of FIG. 2a. FIG. 3a is a sectional view of a forming mechanism for explaining the method of the present invention, FIG.
FIG. 4b is a sectional view taken along line BB of FIG. 3a, FIG. 4a is a sectional view showing a step following FIG. 3a, FIG. 4b is a sectional view taken along line BB of FIG. 4a, and FIG. The figure is a partial sectional view showing a state in which an extension tube is connected to the catheter body. 1 ... Catheter body, 1a ... Catheter body main part, 1
b ... Enlarging base, 2a-2h ... Lumen, 3 ... Extension tube, 4 ...
Core metal, 5 ... Mold, 5a ... Mold entrance, 6 ... Adhesive, 7
... Outer cylinder body, 8 ... Filling resin, 9 ... Cap.
Claims (12)
に形成された複数の内腔を有する主要部と、該内腔と連
通し該延長チューブの接続端の外形に合わせて成形され
た複数の内腔を有する接続端部とを備えたカテーテル本
体と、該カテーテル本体の接続端部の前記内腔のそれぞ
れに一端が挿着された複数の延長チューブと、このカテ
ーテル本体の上記接続端部を一体的に被覆してなる固定
部材とを具備してなることを特徴とする複数内腔カテー
テル組立体。1. A main part having a plurality of inner cavities formed in a shape different from the outer shape of the connecting end of the extension tube, and a plurality of parts communicating with the inner cavities and formed according to the outer shape of the connecting end of the extension tube. A catheter body having a connecting end having a lumen, a plurality of extension tubes having one end inserted into each of the lumens of the connecting end of the catheter body, and the connecting end of the catheter body. A multi-lumen catheter assembly, comprising:
求の範囲第１項記載の複数内腔カテーテル組立体。2. The multi-lumen catheter assembly according to claim 1, wherein the fixing member is composed only of an adhesive.
れた充填剤層とからなる特許請求の範囲第１項記載の複
数内腔カテーテル組立体。3. The multi-lumen catheter assembly according to claim 1, wherein the fixing member comprises an outer cylinder and a filler layer filled in the outer cylinder.
接続されたキャップとからなる特許請求の範囲第３項記
載の複数内腔カテーテル組立体。4. The multi-lumen catheter assembly according to claim 3, wherein the outer cylinder comprises an outer cylinder body and a cap connected to an open end of the outer cylinder body.
溶剤による溶着によってなされている特許請求の範囲第
２項または３項記載の複数内腔カテーテル組立体。5. The multi-lumen catheter assembly according to claim 2, wherein the catheter lumen and the extension tube are fixed by welding with a solvent.
接着剤による接着によってなされている特許請求の範囲
第２項または３項記載の複数内腔カテーテル組立体。6. The multi-lumen catheter assembly according to claim 2 or 3, wherein the catheter lumen and the extension tube are fixed by an adhesive.
加熱手段による熱融着によってなされている特許請求の
範囲第２項または３項記載の複数内腔カテーテル組立
体。7. The multi-lumen catheter assembly according to claim 2 or 3, wherein the catheter lumen and the extension tube are fixed by heat fusion by a heating means.
系、シリコーン系、ポリウレタン系、アクリル系、ＥＶ
Ａ系、フェノール系、塩化ビニル系から選ばれる少なく
とも一種の合成樹脂からなる特許請求の範囲第３項記載
の複数内腔カテーテル組立体。8. The filler layer filled in the outer cylinder is epoxy type, silicone type, polyurethane type, acrylic type, EV.
The multi-lumen catheter assembly according to claim 3, wherein the multi-lumen catheter assembly is made of at least one synthetic resin selected from A series, phenol series, and vinyl chloride series.
に形成された複数の内腔を有するカテーテル本体に延長
チューブの接続端を接続することからなる複数内腔カテ
ーテル組立体の製造方法であって、カテーテル本体の接
続端部を延長チューブの接続端の外形に合わせて成形
し、この成形されたカテーテル本体接続端部内腔に複数
の延長チューブのそれぞれの接続端を挿入、固定し、さ
らに上記カテーテル本体の接続端部と延長チューブとの
接続部を固定部材を用いて一体的に被覆することを特徴
とする複数内腔カテーテル組立体の製造方法。9. A method of manufacturing a multi-lumen catheter assembly, which comprises connecting the connecting end of the extension tube to a catheter body having a plurality of lumens formed in a shape different from the outer shape of the connecting end of the extension tube. Then, the connecting end of the catheter body is molded to match the outer shape of the connecting end of the extension tube, and the connecting ends of the plurality of extension tubes are inserted and fixed in the formed lumen of the connecting end of the catheter body. A method of manufacturing a multi-lumen catheter assembly, characterized in that the connecting portion between the connecting end portion of the catheter body and the extension tube is integrally covered with a fixing member.
の範囲第９項記載の製造方法。10. The manufacturing method according to claim 9, wherein the fixing member is made of an adhesive.
された充填剤層とからなり、上記外筒をカテーテル本体
に嵌挿させたのち、この外筒とカテーテル本体外周部お
よび端面との間に充填剤を充填し、これらを一体的に接
合する特許請求の範囲第９項記載の製造方法。11. The fixing member comprises an outer cylinder and a filler layer filled in the outer cylinder. After the outer cylinder is fitted into the catheter body, the outer cylinder and the outer peripheral portion of the catheter body and The manufacturing method according to claim 9, wherein a filler is filled between the end face and the end faces, and these are integrally joined.
に接続されるキャップとからなり、接着剤を充填したの
ち、外筒本体にキャップを接続することを特徴とする特
許請求の範囲第１１項記載の製造方法。12. An outer cylinder comprising an outer cylinder main body and a cap connected to an open end of the outer cylinder main body, which is filled with an adhesive, and then the cap is connected to the outer cylinder main body. The manufacturing method according to claim 11.
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62158144A JPH0638858B2 (en) | 1987-06-25 | 1987-06-25 | Multi-lumen catheter assembly and method of making same |
| AU19558/88A AU624076B2 (en) | 1987-06-25 | 1988-06-25 | Multi-luminal catheter, multi-luminal catheter assembly and production thereof |
| PCT/JP1988/000634 WO1988010131A1 (en) | 1987-06-25 | 1988-06-25 | Multi-luminal catheter, multi-luminal catheter assembly and production thereof |
| EP88906036A EP0366794B1 (en) | 1987-06-25 | 1988-06-25 | Method of production of multi-luminal catheter and multi-luminal catheter assembly |
| US07/449,934 US5041083A (en) | 1987-06-25 | 1988-06-25 | Multi-luminal catheter, multi-luminal catheter assembly |
| DE3852882T DE3852882T2 (en) | 1987-06-25 | 1988-06-25 | MANUFACTURING METHOD OF A BUILDING UNIT WITH A MULTILUMINAL CATHETER. |
| KR1019890700338A KR910002210B1 (en) | 1987-06-25 | 1988-06-25 | Multi - luminal catheter multi - luminal catheter assemblyand production thereof |
| US07/665,790 US5178803A (en) | 1987-06-25 | 1991-03-07 | Method of manufacturing a multi-luminal catheter, and multi-luminal catheter assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62158144A JPH0638858B2 (en) | 1987-06-25 | 1987-06-25 | Multi-lumen catheter assembly and method of making same |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPS642657A JPS642657A (en) | 1989-01-06 |
| JPH012657A JPH012657A (en) | 1989-01-06 |
| JPH0638858B2 true JPH0638858B2 (en) | 1994-05-25 |
Family
ID=15665223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62158144A Expired - Fee Related JPH0638858B2 (en) | 1987-06-25 | 1987-06-25 | Multi-lumen catheter assembly and method of making same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0638858B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9095064B2 (en) | 2009-03-26 | 2015-07-28 | Nitto Denko Corporation | Method for manufacturing printed circuit board |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2613182B2 (en) * | 1994-08-01 | 1997-05-21 | 有限会社ミッド | Seat belt cutting tool |
| JP2855512B2 (en) * | 1995-02-23 | 1999-02-10 | 株式会社長谷幸製作所 | Mounting method and mounting fixture for emergency escape device for automobile |
| JPH10328133A (en) * | 1997-05-28 | 1998-12-15 | Asahi Optical Co Ltd | Method and tool for molding liquid feeding/sucking tube for endoscope |
| JP6610045B2 (en) * | 2015-07-09 | 2019-11-27 | ニプロ株式会社 | Multi-lumen catheter and method for manufacturing the same |
| DE102018207642A1 (en) * | 2018-05-16 | 2019-11-21 | B. Braun Melsungen Ag | Catheter assembly and method of making such a catheter assembly |
| JP6766934B2 (en) * | 2019-09-04 | 2020-10-14 | ニプロ株式会社 | Multiluminal catheter and its manufacturing method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0107810B1 (en) * | 1982-10-29 | 1986-06-11 | Miles Laboratories, Inc. | Long indwelling double bore catheter |
| JPS5995095A (en) * | 1982-11-20 | 1984-05-31 | ブラザー工業株式会社 | Automatic yarn eyelet apparatus of sewing machine |
| CA1257822A (en) * | 1984-05-04 | 1989-07-25 | Laurence M. Bennett | Multilumen catheter and associated i.v. tubing |
| US4670009A (en) * | 1985-04-16 | 1987-06-02 | American Hospital Supply Corp. | Backform inserts for catheter |
| JPS62158144A (en) * | 1985-12-27 | 1987-07-14 | 三菱製紙株式会社 | Method and apparatus for collecting quick lime in lime kiln |
-
1987
- 1987-06-25 JP JP62158144A patent/JPH0638858B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9095064B2 (en) | 2009-03-26 | 2015-07-28 | Nitto Denko Corporation | Method for manufacturing printed circuit board |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS642657A (en) | 1989-01-06 |
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