JPWO2005120804A1 - カテーテル成形装置 - Google Patents
カテーテル成形装置 Download PDFInfo
- Publication number
- JPWO2005120804A1 JPWO2005120804A1 JP2006514382A JP2006514382A JPWO2005120804A1 JP WO2005120804 A1 JPWO2005120804 A1 JP WO2005120804A1 JP 2006514382 A JP2006514382 A JP 2006514382A JP 2006514382 A JP2006514382 A JP 2006514382A JP WO2005120804 A1 JPWO2005120804 A1 JP WO2005120804A1
- Authority
- JP
- Japan
- Prior art keywords
- tube
- catheter
- molding apparatus
- braided
- layer
- 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
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0009—Making of catheters or other medical or surgical tubes
- A61M25/0012—Making of catheters or other medical or surgical tubes with embedded structures, e.g. coils, braids, meshes, strands or radiopaque coils
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/06—Rod-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
- B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/255—Flow control means, e.g. valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/302—Extrusion nozzles or dies being adjustable, i.e. having adjustable exit sections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
- B29C48/34—Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/49—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using two or more extruders to feed one die or nozzle
- B29C48/495—Feed-blocks
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Hematology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Anesthesiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pulmonology (AREA)
- Biophysics (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
Description
2 素材チューブ
3 芯線材
4 内層チューブ
5 編組層
6 補強糸
7 編組チューブ
8 外層チューブ
12 前段押出成形装置
13 冷却装置
14 編組層取付機
19 後段押出成形装置
21 引取機
26 第1樹脂
27 第2樹脂
29 第1押出機
30 第2押出機
32 内層部分成形通路
33 外層部分成形通路
34 ダイ
36 軸心
37 内押出口
38 外押出口
40 第1流入通路
41 第2流入通路
43 第1流量調整弁
45 弁体
44 第2流量調整弁
48 補助ダイ
49 補助ダイ孔
50 外側開口縁
51 開口縁
52 仮想円錐台筒体
53 空間
56 内径可変装置
D1 内径寸法
D2 内径寸法
L 離間寸法
Q1 流量
Q2 流量
Claims (6)
- 金属製の芯線材(3)を内嵌するよう樹脂製の内層チューブ(4)を押し出し成形する前段押出成形装置(12)と、この前段押出成形装置(12)により成形されて、一旦、冷却された内層チューブ(4)の外面に補強糸(6)の編み組みによる編組層(5)を取り付けることにより編組チューブ(7)を成形する編組層取付機(14)と、上記編組チューブ(7)に樹脂製の外層チューブ(8)を外嵌させることによりカテーテルの素材チューブ(2)を押し出し成形する後段押出成形装置(19)と、上記素材チューブ(2)を引き取る引取機(21)とを備え、これら前段押出成形装置(12)、編組層取付機(14)、後段押出成形装置(19)、および引取機(21)を上記各チューブ(4,7,8,2)の長手方向に沿って連続的に配置したことを特徴とするカテーテル成形装置。
- 上記編組層取付機(14)の最大処理速度よりも、上記前段押出成形装置(12)、後段押出成形装置(19)、および引取機(21)の各最大処理速度がそれぞれ速くなるよう設定したことを特徴とする請求の範囲第1項に記載のカテーテル成形装置。
- 上記後段押出成形装置(19)が、互いに異種の第1、第2樹脂(26,27)を熱溶融させてそれぞれ押し出す第1、第2押出機(29,30)と、上記第1押出機(29)から押し出された上記第1樹脂(26)を前方に向かい通過させて上記外層チューブ(8)の内層部分(8a)を成形可能とする内層部分成形通路(32)、および上記第2押出機(30)から押し出された上記第2樹脂(27)を前方に向かい通過させて上記外層チューブ(8)の外層部分(8b)を成形可能とする外層部分成形通路(33)が成形されたダイ(34)と、上記第1、第2押出機(29,30)から押し出されて、上記内、外層部分成形通路(32,33)に向かわされる第1、第2樹脂(26,27)の単位時間当りの各流量(Q1,Q2)をそれぞれ調整可能とする第1、第2流量調整弁(43,44)とを備えたことを特徴とする請求の範囲第1項に記載のカテーテル成形装置。
- 上記第1、第2流量調整弁(43,44)の各弁体(45)を上記ダイ(34)の内部に設けたことを特徴とする請求の範囲第3項に記載のカテーテル成形装置。
- 上記内、外層部分成形通路(32,33)の各前端を内、外押出口(37,38)とし、上記ダイ(34)の前方に補助ダイ(48)を設け、上記内、外押出口(37,38)から前方に離れた位置で上記素材チューブ(2)を前方に向かって通過可能とさせる補助ダイ孔(49)を上記補助ダイ(48)に成形し、上記外押出口(38)の外側開口縁(50)と、上記補助ダイ孔(49)の開口縁(51)とを結ぶ仮想円錐台筒体(52)の外方域に、その周方向の全体にわたり空間(53)を成形したことを特徴とする請求の範囲第3項に記載のカテーテル成形装置。
- 上記内、外押出口(37,38)から上記補助ダイ孔(49)に至までの離間寸法(L)を可変としたことを特徴とする請求の範囲第5項に記載のカテーテル成形装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/008132 WO2005120804A1 (ja) | 2004-06-10 | 2004-06-10 | カテーテル成形装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2005120804A1 true JPWO2005120804A1 (ja) | 2008-04-03 |
JP4282028B2 JP4282028B2 (ja) | 2009-06-17 |
Family
ID=35502908
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006514382A Expired - Lifetime JP4282028B2 (ja) | 2004-06-10 | 2004-06-10 | カテーテル成形装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7500842B2 (ja) |
EP (1) | EP1757428B1 (ja) |
JP (1) | JP4282028B2 (ja) |
CN (1) | CN100581783C (ja) |
WO (1) | WO2005120804A1 (ja) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3619238B1 (ja) * | 2003-08-27 | 2005-02-09 | 株式会社プラ技研 | 樹脂製チューブの押出成形装置 |
JP2007229244A (ja) * | 2006-03-01 | 2007-09-13 | Fukuda Denshi Co Ltd | カテーテル用チューブ及び、カテーテル用チューブの製造装置の制御方法 |
JP2007229245A (ja) * | 2006-03-01 | 2007-09-13 | Fukuda Denshi Co Ltd | カテーテル用チューブ及び、カテーテル用チューブの製造装置の制御方法 |
JP5147231B2 (ja) * | 2006-12-26 | 2013-02-20 | 日本コヴィディエン株式会社 | 医療用チューブの押出成形用金型および押出成形方法 |
CN102171021B (zh) * | 2008-09-30 | 2014-06-11 | 富士胶片株式会社 | 多层涂覆装置和多层涂覆方法 |
JP2011046047A (ja) * | 2009-08-26 | 2011-03-10 | Nippon Sherwood Medical Industries Ltd | 押出成形金型、押出成形装置および医療用チューブ |
DK2765944T3 (en) | 2011-10-14 | 2018-12-03 | Ra Medical Systems Inc | LITTLE FLEXIBLE CATHETS WITH LIQUID CORE FOR LASER ABLATION IN BODY SLUMPS |
DE102011118719A1 (de) | 2011-11-16 | 2013-05-16 | Brabender Gmbh & Co.Kg | Vorrichtung zum Extrudieren eines medizinischen Instruments, das in einen menschlichen oder tierischen Körper einführbar ist |
US9309783B2 (en) | 2013-01-10 | 2016-04-12 | General Electric Company | Seal assembly for turbine system |
US9962527B2 (en) | 2013-10-16 | 2018-05-08 | Ra Medical Systems, Inc. | Methods and devices for treatment of stenosis of arteriovenous fistula shunts |
DE102014005901A1 (de) | 2014-04-25 | 2015-10-29 | Marvis Medical Gmbh | Vorrichtung zum Extrudieren eines strukturierten Extrudats |
DE102015114488A1 (de) | 2015-08-31 | 2017-03-02 | Marvis Medical Gmbh | Vorrichtung zum Extrudieren eines strukturierten Extrudats |
US10555772B2 (en) | 2015-11-23 | 2020-02-11 | Ra Medical Systems, Inc. | Laser ablation catheters having expanded distal tip windows for efficient tissue ablation |
WO2018002975A1 (ja) * | 2016-06-28 | 2018-01-04 | 株式会社プラ技研 | フレキシブルチューブ及びその製造装置 |
JP6144862B1 (ja) | 2016-06-28 | 2017-06-07 | 株式会社プラ技研 | フレキシブルチューブの製造装置 |
US20210370572A1 (en) * | 2017-07-20 | 2021-12-02 | Pressan Madeni Esya San. Tic. A.S. | Method and apparatus for manufacturing a bowden cable and bowden cable |
WO2019177018A1 (ja) * | 2018-03-13 | 2019-09-19 | 株式会社プラ技研 | フレキシブルチューブの製造装置 |
JP2019166289A (ja) | 2018-03-22 | 2019-10-03 | ラ メディカル システムズ, インコーポレイテッド | オーバージャケットを伴う液体充填アブレーションカテーテル |
CN108839323B (zh) * | 2018-09-21 | 2024-05-17 | 杨明昆 | 一种塑胶管道挤压成型装置 |
CN110053233A (zh) * | 2019-04-25 | 2019-07-26 | 东莞市世和塑胶五金有限公司 | 一种医用加强导管的成型设备及其成型方法 |
JP7349316B2 (ja) * | 2019-10-18 | 2023-09-22 | 株式会社日本製鋼所 | ストランド製造装置及びペレット製造装置 |
JP2024036996A (ja) * | 2022-09-06 | 2024-03-18 | 株式会社プラ技研 | フレキシブルチューブを押出成形するための金型及びフレキシブルチューブの製造装置 |
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US2513106A (en) * | 1947-02-08 | 1950-06-27 | Carter Products Corp | Method and apparatus for making flexible tubes |
US3640659A (en) * | 1968-08-01 | 1972-02-08 | Bristol Myers Co | Split die for extruding laminated tubing |
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US5063018A (en) * | 1990-06-04 | 1991-11-05 | Cordis Corporation | Extrusion method |
JPH04212377A (ja) | 1990-12-01 | 1992-08-03 | Terumo Corp | カテーテルの製造方法 |
JPH0526381A (ja) | 1991-07-19 | 1993-02-02 | Kurashiki Kako Co Ltd | 燃料用ゴムホースとその製造方法 |
JP3230828B2 (ja) | 1991-12-13 | 2001-11-19 | 株式会社イノアックコーポレーション | 断面形状が変化する異形押出成形品の製造方法 |
US5533985A (en) * | 1994-04-20 | 1996-07-09 | Wang; James C. | Tubing |
US5792116A (en) * | 1995-05-17 | 1998-08-11 | Scimed Life Systems, Inc. | Catheter having geometrically shaped surface and method of manufacture |
US5585155A (en) * | 1995-06-07 | 1996-12-17 | Andersen Corporation | Fiber reinforced thermoplastic structural member |
JP3772445B2 (ja) | 1997-03-07 | 2006-05-10 | 豊田合成株式会社 | 補強ホースの製造装置 |
US5938653A (en) * | 1997-06-09 | 1999-08-17 | Scimed Life Systems, Inc. | Catheter having controlled flexibility and method of manufacture |
JP3514674B2 (ja) | 1999-09-21 | 2004-03-31 | 株式会社プラ技研 | 樹脂製多重管の押出成形装置 |
JP3578965B2 (ja) | 2000-03-29 | 2004-10-20 | 株式会社タハラ | 異形成形品の製造方法およびその装置 |
JP3514738B2 (ja) | 2001-05-11 | 2004-03-31 | 株式会社プラ技研 | 異径管連続成形用の押出成形装置 |
ATE447423T1 (de) | 2002-03-04 | 2009-11-15 | Terumo Corp | Medizinischer schlauch und extrusionsdüse zu seiner herstellung |
JP3868312B2 (ja) * | 2002-03-04 | 2007-01-17 | テルモ株式会社 | 押出成形用ダイ、積層管状体の製造方法および積層管状体 |
-
2004
- 2004-06-10 JP JP2006514382A patent/JP4282028B2/ja not_active Expired - Lifetime
- 2004-06-10 EP EP04745762A patent/EP1757428B1/en not_active Expired - Lifetime
- 2004-06-10 US US11/597,091 patent/US7500842B2/en active Active
- 2004-06-10 CN CN200480043288A patent/CN100581783C/zh not_active Expired - Lifetime
- 2004-06-10 WO PCT/JP2004/008132 patent/WO2005120804A1/ja not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP1757428A4 (en) | 2010-05-05 |
JP4282028B2 (ja) | 2009-06-17 |
CN1964834A (zh) | 2007-05-16 |
WO2005120804A1 (ja) | 2005-12-22 |
EP1757428B1 (en) | 2011-12-07 |
EP1757428A1 (en) | 2007-02-28 |
US20070243282A1 (en) | 2007-10-18 |
US7500842B2 (en) | 2009-03-10 |
CN100581783C (zh) | 2010-01-20 |
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