JP6538898B2 - 原繊維性微細構造及び破砕性コーティングを有する多孔質材料 - Google Patents
原繊維性微細構造及び破砕性コーティングを有する多孔質材料 Download PDFInfo
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- JP6538898B2 JP6538898B2 JP2018019981A JP2018019981A JP6538898B2 JP 6538898 B2 JP6538898 B2 JP 6538898B2 JP 2018019981 A JP2018019981 A JP 2018019981A JP 2018019981 A JP2018019981 A JP 2018019981A JP 6538898 B2 JP6538898 B2 JP 6538898B2
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- Prior art keywords
- implantable
- fibrils
- graft
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- film
- 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.)
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/14—Macromolecular materials
- A61L27/16—Macromolecular materials obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/28—Materials for coating prostheses
- A61L27/34—Macromolecular materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L27/507—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials for artificial blood vessels
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/04—Macromolecular materials
- A61L31/048—Macromolecular materials obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/08—Materials for coatings
- A61L31/10—Macromolecular materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/14—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
Description
a)多孔質PTFEを、好ましくはFEPのフィルム、或いは別の熱可塑性高分子のフィルムである別の層と接触させ;
b)ステップa)で得られた組成物を、前記熱可塑性高分子の融点を超える温度まで加熱し;
c)前記熱可塑性高分子の融点を超える温度を維持しながら、ステップb)の加熱組成物を延伸し;そして
d)ステップc)の生成物を冷ますこと、
を含むプロセスで作製された。
次の記載は、その血管グラフトの管腔内に一時的に配置されたカテーテルバルーンの膨らみによって直径が増大され得る、直径方向伸展性血管グラフトを作製するのに使用される方法の説明である。バルーン伸展性血管グラフトの作製のために記載した方法は、バルーン伸展性ステントグラフトの作製のために以下で記載した方法と類似している。本明細書中に記載した血管グラフトに関する実施例は、4mmの内径から6mmの内径までの直径方向伸展性であるように作製され;より広範囲の伸展性が可能である。この製造プロセスのフローチャート概要を図11に記載する。
実施例2:自己拡張/バルーン調整可能なステントグラフト
実施例3:長さ調節式血管グラフト
実施例4:湾曲したノードを有する直径方向に伸展可能なチューブ
Claims (18)
- 多数の原繊維を含む微細構造を有し、且つ、平均原繊維長を有する第一の材料を含む埋め込み可能な材料であって、ここで、前記原繊維の少なくとも一部は、該第一の材料と異なる材料である第二の材料によって長さが拘束されており、そして、ここで、該埋め込み可能な材料の正常使用中、原繊維の全長に対して実質的に平行な方向での該埋め込み可能な材料に対する力の適用により、前記平均原繊維長が有意に増大し、そして、有意に増大した平均原繊維長が力の解除後も維持される埋め込み可能な材料。
- 前記第一の材料が多孔質延伸ポリテトラフルオロエチレンである、請求項1に記載の埋め込み可能な材料。
- 前記第二の材料がフッ素化エチレンプロピレンである、請求項1に記載の埋め込み可能な材料。
- 前記第一の材料が多孔質延伸ポリテトラフルオロエチレンである、請求項3に記載の埋め込み可能な材料。
- 前記材料が、長さ、幅及び厚みを有し、且つ、前記平均原繊維長が、該材料の全長に対して実質的に平行な方向に増大する、請求項1に記載の埋め込み可能な材料。
- 前記材料が管状材料であり、且つ、平均原繊維長が前記管状材料の直径に対して実質的に平行な方向に増大する、請求項1に記載の埋め込み可能な材料。
- 前記管状材料が血管グラフトである、請求項6に記載の埋め込み可能な材料。
- 前記管状材料がステントグラフトである、請求項6に記載の埋め込み可能な材料。
- 前記管状材料が直径で最大約50%伸展し得る、請求項6に記載の埋め込み可能な材料。
- 前記材料が管状材料であり、且つ、平均原繊維長が前記管状材料の直径に対して実質的に平行な方向に増大する、請求項1に記載の埋め込み可能な材料。
- 前記管状材料が血管グラフトである、請求項10に記載の埋め込み可能な材料。
- 前記管状材料が長さで最大約50%伸展性である、請求項11に記載の埋め込み可能な材料。
- 前記材料がシートの形態である、請求項1に記載の埋め込み可能な材料。
- 前記材料が少なくとも2つの方向に伸展するように構成されている、請求項1に記載の埋め込み可能な材料。
- 前記材料が管状血管グラフトであり、且つ、前記の少なくとも2つの方向が長さ方向と直径方向である、請求項14に記載の埋め込み可能な材料。
- 請求項1に記載の埋め込み可能な材料の伸展性の埋め込み可能な物品を製造する方法であって、前記方法は:
多数の原繊維が実質的に円周方向に配向する原繊維である第一の材料を含み、且つ、前記原繊維を含む前記第一の材料の表面に供される第二の材料のコーティングを有する伸展性の埋め込み可能な物品を提供する工程;
前記伸展性の埋め込み可能な物品の直径を縮小して、前記実質的に円周方向に配向する原繊維の折れ曲がりを引き起こす工程;そして
前記第二の材料のコーティングが前記実質的に円周方向に配向する原繊維を湾曲した形状に拘束するように、前記縮小された直径の伸展性の埋め込み可能な物品を処理する工程、
を含む方法。 - 前記物品がステントグラフトである、請求項16に記載の方法。
- 前記物品が血管グラフトである、請求項16に記載の方法。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361787989P | 2013-03-15 | 2013-03-15 | |
US61/787,989 | 2013-03-15 | ||
US14/198,901 | 2014-03-06 | ||
US14/198,901 US9522072B2 (en) | 2013-03-15 | 2014-03-06 | Porous materials having a fibrillar microstructure and a fracturable coating |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016500785A Division JP6321775B2 (ja) | 2013-03-15 | 2014-03-07 | 原繊維性微細構造及び破砕性コーティングを有する多孔質材料 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018110870A JP2018110870A (ja) | 2018-07-19 |
JP6538898B2 true JP6538898B2 (ja) | 2019-07-03 |
Family
ID=51531251
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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JP2016500785A Active JP6321775B2 (ja) | 2013-03-15 | 2014-03-07 | 原繊維性微細構造及び破砕性コーティングを有する多孔質材料 |
JP2018019981A Active JP6538898B2 (ja) | 2013-03-15 | 2018-02-07 | 原繊維性微細構造及び破砕性コーティングを有する多孔質材料 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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JP2016500785A Active JP6321775B2 (ja) | 2013-03-15 | 2014-03-07 | 原繊維性微細構造及び破砕性コーティングを有する多孔質材料 |
Country Status (11)
Country | Link |
---|---|
US (1) | US9522072B2 (ja) |
EP (3) | EP2968666B1 (ja) |
JP (2) | JP6321775B2 (ja) |
KR (1) | KR101778873B1 (ja) |
CN (2) | CN105073152B (ja) |
AU (3) | AU2014237715B2 (ja) |
BR (1) | BR112015017945A2 (ja) |
CA (1) | CA2900283C (ja) |
ES (1) | ES2893477T3 (ja) |
HK (2) | HK1216088A1 (ja) |
WO (1) | WO2014149927A1 (ja) |
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US10568752B2 (en) | 2016-05-25 | 2020-02-25 | W. L. Gore & Associates, Inc. | Controlled endoprosthesis balloon expansion |
US20180206974A1 (en) | 2017-01-25 | 2018-07-26 | W. L. Gore & Associates, Inc. | Method and device for treatment and prevention of fluid overload in patients with heart failure |
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JP7441856B2 (ja) | 2019-04-17 | 2024-03-01 | ダブリュ.エル.ゴア アンド アソシエイツ,インコーポレイティド | 心不全患者の体液過剰の急性治療のための方法及びデバイス |
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-
2014
- 2014-03-06 US US14/198,901 patent/US9522072B2/en active Active
- 2014-03-07 BR BR112015017945A patent/BR112015017945A2/pt not_active Application Discontinuation
- 2014-03-07 EP EP14721026.4A patent/EP2968666B1/en active Active
- 2014-03-07 AU AU2014237715A patent/AU2014237715B2/en active Active
- 2014-03-07 ES ES19211019T patent/ES2893477T3/es active Active
- 2014-03-07 KR KR1020157026051A patent/KR101778873B1/ko active IP Right Grant
- 2014-03-07 CA CA2900283A patent/CA2900283C/en active Active
- 2014-03-07 CN CN201480009749.0A patent/CN105073152B/zh active Active
- 2014-03-07 CN CN201811114971.3A patent/CN109260527B/zh active Active
- 2014-03-07 EP EP17207506.1A patent/EP3366320B1/en active Active
- 2014-03-07 JP JP2016500785A patent/JP6321775B2/ja active Active
- 2014-03-07 EP EP19211019.5A patent/EP3636291B1/en active Active
- 2014-03-07 WO PCT/US2014/021554 patent/WO2014149927A1/en active Application Filing
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2016
- 2016-04-12 HK HK16104137.8A patent/HK1216088A1/zh not_active IP Right Cessation
- 2016-12-21 AU AU2016277621A patent/AU2016277621C1/en active Active
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2018
- 2018-02-07 JP JP2018019981A patent/JP6538898B2/ja active Active
- 2018-08-09 AU AU2018214084A patent/AU2018214084A1/en not_active Abandoned
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2019
- 2019-01-15 HK HK19100625.2A patent/HK1258261A1/zh unknown
Also Published As
Publication number | Publication date |
---|---|
HK1258261A1 (zh) | 2019-11-08 |
AU2016277621B2 (en) | 2018-05-10 |
CN105073152A (zh) | 2015-11-18 |
EP3636291B1 (en) | 2021-07-21 |
US9522072B2 (en) | 2016-12-20 |
CA2900283C (en) | 2019-04-23 |
CN109260527A (zh) | 2019-01-25 |
AU2014237715A1 (en) | 2015-08-06 |
EP3366320B1 (en) | 2020-01-01 |
AU2018214084A1 (en) | 2018-08-23 |
ES2893477T3 (es) | 2022-02-09 |
JP2016515859A (ja) | 2016-06-02 |
WO2014149927A1 (en) | 2014-09-25 |
KR101778873B1 (ko) | 2017-09-14 |
KR20150121135A (ko) | 2015-10-28 |
CN109260527B (zh) | 2021-11-05 |
EP3636291A1 (en) | 2020-04-15 |
EP2968666B1 (en) | 2017-12-20 |
BR112015017945A2 (pt) | 2017-07-11 |
JP6321775B2 (ja) | 2018-05-09 |
US20140277374A1 (en) | 2014-09-18 |
AU2016277621A1 (en) | 2017-01-19 |
EP2968666A1 (en) | 2016-01-20 |
AU2016277621C1 (en) | 2018-11-22 |
JP2018110870A (ja) | 2018-07-19 |
CA2900283A1 (en) | 2014-09-25 |
AU2014237715B2 (en) | 2016-10-13 |
HK1216088A1 (zh) | 2016-10-14 |
EP3366320A1 (en) | 2018-08-29 |
CN105073152B (zh) | 2018-10-26 |
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