JP5757532B2 - カテーテル - Google Patents
カテーテル Download PDFInfo
- Publication number
- JP5757532B2 JP5757532B2 JP2012167990A JP2012167990A JP5757532B2 JP 5757532 B2 JP5757532 B2 JP 5757532B2 JP 2012167990 A JP2012167990 A JP 2012167990A JP 2012167990 A JP2012167990 A JP 2012167990A JP 5757532 B2 JP5757532 B2 JP 5757532B2
- Authority
- JP
- Japan
- Prior art keywords
- strand
- tip
- braided body
- catheter
- region
- 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.)
- Active
Links
- 239000011347 resin Substances 0.000 claims description 22
- 229920005989 resin Polymers 0.000 claims description 22
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 210000004204 blood vessel Anatomy 0.000 description 5
- 230000001678 irradiating effect Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 238000009940 knitting Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000002586 coronary angiography Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 235000019589 hardness Nutrition 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002990 reinforced plastic Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 210000001635 urinary tract Anatomy 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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
-
- 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
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M25/005—Catheters; Hollow probes characterised by structural features with embedded materials for reinforcement, e.g. wires, coils, braids
- A61M25/0052—Localized reinforcement, e.g. where only a specific part of the catheter is reinforced, for rapid exchange guidewire port
-
- 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
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M25/005—Catheters; Hollow probes characterised by structural features with embedded materials for reinforcement, e.g. wires, coils, braids
-
- 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
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M25/005—Catheters; Hollow probes characterised by structural features with embedded materials for reinforcement, e.g. wires, coils, braids
- A61M25/0053—Catheters; Hollow probes characterised by structural features with embedded materials for reinforcement, e.g. wires, coils, braids having a variable stiffness along the longitudinal axis, e.g. by varying the pitch of the coil or braid
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/06—Fibrous reinforcements only
- B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
- B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
- B29C70/22—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in at least two directions forming a two dimensional structure
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
- B29C70/543—Fixing the position or configuration of fibrous reinforcements before or during moulding
-
- 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
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/008—Strength or flexibility characteristics of the catheter tip
- A61M2025/0081—Soft tip
-
- 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
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M25/0054—Catheters; Hollow probes characterised by structural features with regions for increasing flexibility
-
- 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
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
- A61M25/0108—Steering means as part of the catheter or advancing means; Markers for positioning using radio-opaque or ultrasound markers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/753—Medical equipment; Accessories therefor
- B29L2031/7542—Catheters
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hematology (AREA)
- General Health & Medical Sciences (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Biophysics (AREA)
- Animal Behavior & Ethology (AREA)
- Pulmonology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Description
10 カテーテル本体
12 先端チップ
14 コネクタ
15 先端開口部
18 ルーメン
24 内層
26、260 編組体
26a、26b 素線
27、270 編組体の先端部
28 外層
29 中間層
30、31 凸部
100、300、400、1000 凹部領域
110、310、410、1100 凸部領域
101、301、311、401、411 一辺
102、302、312、402、412 他辺
Claims (4)
- 樹脂からなる内層と、
前記内層の外周に設けられ、第一素線と第二素線からなる編組体と、
前記編組体の外周に設けられた樹脂からなる外層と、
前記内層と前記編組体と前記外層との先端に設けられた樹脂からなる先端チップと、からなるカテーテルにおいて、
前記編組体の先端部には、前記第一素線の素線幅と前記第一素線の隣接する素線間の距離との合計よりも大きい第一の一辺及び前記第二素線の素線幅と前記第二素線の隣接する素線間の距離との合計よりも大きい第一の他辺を有した凹部領域が設けられ、
前記先端チップは、前記凹部領域で前記内層の外周面に接着していることを特徴としたカテーテル。 - 前記編組体の先端部には、前記第一素線の素線幅と前記第一素線の隣接する素線間の距離との合計よりも大きい第二の一辺及び前記第二素線の素線幅と前記第二素線の隣接する素線間の距離との合計よりも大きい第二の他辺を有した凸部領域が設けられ、
前記第一の一辺と前記第二の一辺とは、前記第一素線によって構成され、
前記第一の他辺と前記第二の他辺とは、前記第二素線によって構成されたことを特徴とした請求項1に記載のカテーテル。 - 前記凹部領域と前記凸部領域は、前記編組体の周方向に複数設けられており、
前記凹部領域の大きさは、前記凸部領域の大きさと同じであることを特徴とした請求項1又は請求項2に記載のカテーテル。 - 前記凸部領域において、前記第一素線と前記第二素線が互いに交わる交点で接合されていることを特徴とした請求項1乃至請求項3のいずれかに記載のカテーテル。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012167990A JP5757532B2 (ja) | 2012-07-30 | 2012-07-30 | カテーテル |
CN201310165593.2A CN103566450B (zh) | 2012-07-30 | 2013-05-08 | 导管 |
US13/903,437 US8858530B2 (en) | 2012-07-30 | 2013-05-28 | Catheter |
EP13171185.5A EP2692388B1 (en) | 2012-07-30 | 2013-06-10 | Catheter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012167990A JP5757532B2 (ja) | 2012-07-30 | 2012-07-30 | カテーテル |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014023811A JP2014023811A (ja) | 2014-02-06 |
JP5757532B2 true JP5757532B2 (ja) | 2015-07-29 |
Family
ID=48782842
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012167990A Active JP5757532B2 (ja) | 2012-07-30 | 2012-07-30 | カテーテル |
Country Status (4)
Country | Link |
---|---|
US (1) | US8858530B2 (ja) |
EP (1) | EP2692388B1 (ja) |
JP (1) | JP5757532B2 (ja) |
CN (1) | CN103566450B (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040199052A1 (en) | 2003-04-01 | 2004-10-07 | Scimed Life Systems, Inc. | Endoscopic imaging system |
JP5954747B2 (ja) | 2014-03-20 | 2016-07-20 | 朝日インテック株式会社 | カテーテル |
JP6576097B2 (ja) * | 2015-05-20 | 2019-09-18 | 日星電気株式会社 | 補強層先端部の加工方法 |
US11351048B2 (en) * | 2015-11-16 | 2022-06-07 | Boston Scientific Scimed, Inc. | Stent delivery systems with a reinforced deployment sheath |
WO2018030886A1 (es) * | 2016-08-11 | 2018-02-15 | Coflex, S.A. De C.V. | Manguera trenzada |
JP6238422B1 (ja) | 2016-09-01 | 2017-11-29 | 朝日インテック株式会社 | カテーテル |
EP3613462A1 (en) * | 2017-04-20 | 2020-02-26 | Asahi Intecc Co., Ltd. | Catheter |
CN110650767B (zh) * | 2017-05-26 | 2023-02-28 | 住友电木株式会社 | 导管 |
CN110639114B (zh) * | 2018-06-27 | 2023-03-17 | 先健科技(深圳)有限公司 | 导管 |
CN114340709B (zh) * | 2019-09-11 | 2024-08-23 | 尼普洛株式会社 | 支撑导管及管 |
EP4209244A4 (en) * | 2020-09-04 | 2024-09-18 | Goodman Co Ltd | CATHETER |
WO2022145179A1 (ja) * | 2020-12-28 | 2022-07-07 | ニプロ株式会社 | カテーテルの製造方法及びカテーテル |
WO2024053201A1 (ja) * | 2022-09-09 | 2024-03-14 | テルモ株式会社 | カテーテル |
US20240207572A1 (en) * | 2022-12-23 | 2024-06-27 | Boston Scientific Medical Device Limited | Catheter tip with high bond strength |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5509910A (en) | 1994-05-02 | 1996-04-23 | Medtronic, Inc. | Method of soft tip attachment for thin walled catheters |
JP3041219B2 (ja) * | 1995-05-24 | 2000-05-15 | 朝日インテック株式会社 | カテーテル |
US6245053B1 (en) * | 1998-11-09 | 2001-06-12 | Medtronic, Inc. | Soft tip guiding catheter and method of fabrication |
AU766038B2 (en) | 1998-12-16 | 2003-10-09 | Cook Medical Technologies Llc | Finishing technique for a guiding catheter |
US20010051790A1 (en) | 1998-12-16 | 2001-12-13 | Parker Fred T. | Finishing technique for a guiding catheter |
CA2603109C (en) | 1998-12-16 | 2010-07-20 | Cook Incorporated | Finishing technique for a guiding catheter |
JP4700173B2 (ja) | 1999-07-16 | 2011-06-15 | テルモ株式会社 | カテーテルの製造方法およびカテーテル |
ATE257722T1 (de) | 1999-07-16 | 2004-01-15 | Terumo Corp | Katheter und verfahren zu seiner herstellung |
US6689120B1 (en) * | 1999-08-06 | 2004-02-10 | Boston Scientific Scimed, Inc. | Reduced profile delivery system |
JP2001204823A (ja) * | 2000-01-25 | 2001-07-31 | Hitachi Cable Ltd | カテーテルチューブ及びその製造方法 |
US6648874B2 (en) | 2000-02-28 | 2003-11-18 | Scimed Life Systems, Inc. | Guide catheter with lubricious inner liner |
JP2001321447A (ja) * | 2000-05-16 | 2001-11-20 | Asahi Intecc Co Ltd | カテーテル |
US20030216642A1 (en) * | 2002-05-16 | 2003-11-20 | Pepin Henry J. | Radiopaque and MRI compatible catheter braid |
US7597830B2 (en) | 2003-07-09 | 2009-10-06 | Boston Scientific Scimed, Inc. | Method of forming catheter distal tip |
US20080125752A1 (en) | 2006-08-09 | 2008-05-29 | Boston Scientific Scimed, Inc. | Catheter assembly having a modified reinforcement layer |
US8475431B2 (en) | 2008-07-18 | 2013-07-02 | Cook Medical Technologies Llc | Introducer sheath having a braided member and methods of manufacture |
WO2010031515A1 (en) | 2008-09-17 | 2010-03-25 | Johanneum Research Forschungsgesellschaft Mbh | Filament-based catheter |
US9259550B2 (en) | 2009-07-13 | 2016-02-16 | Cook Medical Technologies Llc | Swaged braided catheter and method of fabrication |
JP2011072562A (ja) | 2009-09-30 | 2011-04-14 | Terumo Corp | カテーテル |
-
2012
- 2012-07-30 JP JP2012167990A patent/JP5757532B2/ja active Active
-
2013
- 2013-05-08 CN CN201310165593.2A patent/CN103566450B/zh active Active
- 2013-05-28 US US13/903,437 patent/US8858530B2/en active Active
- 2013-06-10 EP EP13171185.5A patent/EP2692388B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
US8858530B2 (en) | 2014-10-14 |
CN103566450A (zh) | 2014-02-12 |
CN103566450B (zh) | 2015-11-11 |
EP2692388A1 (en) | 2014-02-05 |
US20140031796A1 (en) | 2014-01-30 |
JP2014023811A (ja) | 2014-02-06 |
EP2692388B1 (en) | 2016-04-20 |
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