JP2019529010A - カテーテル管 - Google Patents
カテーテル管 Download PDFInfo
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- JP2019529010A JP2019529010A JP2019532201A JP2019532201A JP2019529010A JP 2019529010 A JP2019529010 A JP 2019529010A JP 2019532201 A JP2019532201 A JP 2019532201A JP 2019532201 A JP2019532201 A JP 2019532201A JP 2019529010 A JP2019529010 A JP 2019529010A
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- catheter tube
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- 238000000034 method Methods 0.000 claims abstract description 22
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- KIUKXJAPPMFGSW-DNGZLQJQSA-N (2S,3S,4S,5R,6R)-6-[(2S,3R,4R,5S,6R)-3-Acetamido-2-[(2S,3S,4R,5R,6R)-6-[(2R,3R,4R,5S,6R)-3-acetamido-2,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-2-carboxy-4,5-dihydroxyoxan-3-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid Chemical compound CC(=O)N[C@H]1[C@H](O)O[C@H](CO)[C@@H](O)[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@H](O[C@H]2[C@@H]([C@@H](O[C@H]3[C@@H]([C@@H](O)[C@H](O)[C@H](O3)C(O)=O)O)[C@H](O)[C@@H](CO)O2)NC(C)=O)[C@@H](C(O)=O)O1 KIUKXJAPPMFGSW-DNGZLQJQSA-N 0.000 description 1
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- 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
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- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
- A61M25/0119—Eversible catheters
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- A61M25/0009—Making of catheters or other medical or surgical tubes
- A61M25/0013—Weakening parts of a catheter tubing, e.g. by making cuts in the tube or reducing thickness of a layer at one point to adjust the flexibility
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- 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
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/962—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve
- A61F2/966—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve with relative longitudinal movement between outer sleeve and prosthesis, e.g. using a push rod
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2002/821—Ostial stents
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- A61M25/00—Catheters; Hollow probes
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
- A61M2025/0024—Expandable catheters or sheaths
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- A61M25/00—Catheters; Hollow probes
- A61M25/0043—Catheters; Hollow probes characterised by structural features
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- A61M25/00—Catheters; Hollow probes
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M2025/006—Catheters; Hollow probes characterised by structural features having a special surface topography or special surface properties, e.g. roughened or knurled surface
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- A—HUMAN NECESSITIES
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- A61M25/00—Catheters; Hollow probes
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M2025/0062—Catheters; Hollow probes characterised by structural features having features to improve the sliding of one part within another by using lubricants or surfaces with low friction
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- A61M2205/00—General characteristics of the apparatus
- A61M2205/02—General characteristics of the apparatus characterised by a particular materials
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- A61M25/00—Catheters; Hollow probes
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
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- A—HUMAN NECESSITIES
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- A61M25/00—Catheters; Hollow probes
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- A61M25/0026—Multi-lumen catheters with stationary elements
- A61M25/0029—Multi-lumen catheters with stationary elements characterized by features relating to least one lumen located at the middle part of the catheter, e.g. slots, flaps, valves, cuffs, apertures, notches, grooves or rapid exchange ports
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- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/0194—Tunnelling catheters
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- 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
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- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Biophysics (AREA)
- Animal Behavior & Ethology (AREA)
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- Materials For Medical Uses (AREA)
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- Materials Engineering (AREA)
Abstract
Description
Claims (21)
- 第1の開放端(11)および第2の開放端(12)と、
複数の長手方向突起部(14)であって、
カテーテル管(10)の第1の端部(11)から、上記カテーテル管(10)の少なくとも一部を通って延在しており、
上記カテーテル管(10)の長手方向軸に対する角度が0度〜45度であり、半径方向内側を向いている、
複数の長手方向突起部(14)と、
上記カテーテル管(10)の上記第1の端部(11)からカテーテル管(10)を裏返したときに、上記カテーテル管(10)の周囲を拡張させる手段と、
を備えているカテーテル管(10)。 - 上記カテーテル管(10)の周囲を拡張するための上記手段は、可撓性材料の層(13)を備えており、
上記可撓性材料の層(13)は、上記カテーテル管(10)の一次外面(16)を形成しており、
上記長手方向突起部(14)は、上記可撓性材料の層(13)上に配置されている、
請求項1に記載のカテーテル管(10)。 - 上記長手方向突起部(14)は、上記カテーテル管(10)の周囲に不均一に分布している、請求項1または2に記載のカテーテル管(10)。
- 上記カテーテル管(10)の周囲を拡張するための上記手段は、1つ以上の拡張可能な突起部(34)を備えている、請求項1〜3のいずれか一項に記載のカテーテル管(10)。
- 上記長手方向突起部(14)および上記拡張可能な突起部(34)は、上記カテーテル管(10)の周囲に均一に分布しており、
各拡張可能な突起部(34)は、2つの隣接する長手方向突起部(14)の間に配置されている、
請求項4に記載のカテーテル管(10)。 - 上記長手方向突起部(14)の、上記カテーテル管(10)の長手方向軸に対する斜交角度が5〜10度であり、
上記長手方向突起部(14)は、螺旋構造を形成している、
請求項1〜5のいずれか一項に記載のカテーテル管(10)。 - 上記カテーテル管(10)は、上記カテーテル管(10)の上記一次外面(16)上に潤滑塗膜をさらに備えている、請求項1〜6のいずれか一項に記載のカテーテル管(10)。
- 上記カテーテル管(10)は、上記カテーテル管(10)の一次外面(16)上に凸条(tip)(20)をさらに有している、請求項1〜7のいずれか一項に記載のカテーテル管(10)。
- 上記カテーテル管(10)は、上記カテーテル管(12)の上記第2の端部(12)に向かって先細になっている、請求項1〜8のいずれか一項に記載のカテーテル管(10)。
- 上記カテーテル管(10)は、上記カテーテル管(10)の上記第1の端部(11)に、予め折り曲げられた反転領域(6)を備えている、請求項1〜9のいずれか一項に記載のカテーテル管(10)。
- 上記カテーテル管(10)は、以下の追加の構成要素のうちの少なくとも1つをさらに備えている、請求項1〜10のいずれか一項に記載のカテーテル管(10):
カテーテル管(10)の第1の端部(11)において反転領域(6)上に配置されている、保護部(7)、
カテーテル管(10)上に配置されており、管(10)の反転した第1の端部(11)と第2の端部(12)との間で移動可能である、把持部(8)、および、
カテーテル管(10)の第2の端部(12)に配置されている、連結部(9)。 - 上記カテーテル管(10)が、上記保護部(7)と上記把持部(8)との両方を備えている場合、
上記保護部(7)と上記把持部(8)とは、
連結されているか、または一体に形成さており、
ガイドチャネルを形成している、
請求項11に記載のカテーテル管(10)。 - 上記長手方向突起部(14、34)のうち、少なくとも可動接続部(18)は、(好ましくは張力の増加または温度の上昇によって)構造を変えることができる物質で作製されている、請求項1〜12のいずれか一項に記載のカテーテル管(10)。
- 以下の工程を含む、請求項1に記載のカテーテル管(10)の製造方法:
半径方向外側を向いている長手方向突起部(14)を有するカテーテル管(10)を製造する工程、および、
長手方向突起部(14)が半径方向内側を向く位置まで、カテーテル管(10)を裏返す工程(好ましくは、カテーテル管(10)を製造する上記工程は、押出成形、射出成形または3D印刷によって行われる)。 - 半径方向内側を向いている長手方向突起部(14)を有するカテーテル管(10)を、(好ましくは、押出成形、射出成形、または3D印刷によって)製造する工程を含む、請求項1に記載のカテーテル管(10)の製造方法。
- 上記カテーテル管(10)を製造する上記工程は、ディップ形成または真空形成によって行われる、請求項14または15に記載のカテーテル管(10)の製造法。
- 上記長手方向突起部(14、34)は、上記長手方向突起部を予備形成する手段(114、134)(好ましくは切れ目または穿孔(114、134))によって予備形成される、請求項15に記載のカテーテル管(10)の製造方法。
- 上記長手方向突起部(14)を予備形成するための手段(114)(好ましくは切れ目または穿孔(114))が、上記カテーテル管(10)の厚さ全体にわたって不連続に設けられており、かつ、
長手方向および横断方向にある2つの非穿孔部分の間に、それぞれの穿孔(114)が配置されるように配置されており、
上記製造方法は、上記カテーテル管(10)の一次外面(16)に可撓性材料の層(13)を設ける工程をさらに含む、
請求項17に記載のカテーテル管(10)の製造方法。 - 上記カテーテル管(10)を製造する上記工程は、多層押出によって行われ、長手方向突起部(14)と可撓性材料層(13)との両方を提供する、請求項14または15に記載のカテーテル管(10)の製造方法。
- 上記カテーテル管(10)の一次外面(16)を潤滑材で被覆した後の工程をさらに含む、請求項14〜19のいずれか一項に記載のカテーテル管(10)の製造方法。
- 以下の後の工程のうちの少なくとも1つをさらに含む、請求項14〜20のいずれか一項に記載のカテーテル管(10)の製造方法:
上記カテーテル管(10)の第1の端部(11)を裏返し、上記カテーテル管(10)の反転領域(6)を形成する工程、
上記カテーテル管(10)の上記反転領域(6)に保護部(7)を取り付ける工程、
上記カテーテル管(10)に把持部(8)を取り付ける工程、および、
上記カテーテル管(10)の第2の端部(12)に連結部(9)を取り付ける工程。
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EP16186631.4 | 2016-08-31 | ||
EP16186631.4A EP3290079B1 (en) | 2016-08-31 | 2016-08-31 | Catheter tube |
PCT/EP2017/071784 WO2018041903A1 (en) | 2016-08-31 | 2017-08-30 | Catheter tube |
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EP (2) | EP3290079B1 (ja) |
JP (1) | JP6772386B2 (ja) |
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LT3290079T (lt) * | 2016-08-31 | 2019-09-10 | Riocath Global, a.s | Kateterio vamzdelis |
WO2019092686A1 (en) | 2017-11-13 | 2019-05-16 | Teleflex Life Sciences Unlimited Company | Frictionless catheter |
US20210121660A1 (en) * | 2019-10-28 | 2021-04-29 | Oscor Inc. | Expandable vascular introducer |
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WO2022026770A1 (en) | 2020-07-31 | 2022-02-03 | Medtronic, Inc. | Systems and methods for manufacturing 3d printed medical devices |
EP4188678A1 (en) | 2020-07-31 | 2023-06-07 | Medtronic, Inc. | Systems and methods for manufacturing 3d printed medical devices |
US20220047846A1 (en) * | 2020-08-13 | 2022-02-17 | Covidien Lp | Rolling sleeve for an endoluminal shaft |
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