JP6321775B2 - 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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- JP6321775B2 JP6321775B2 JP2016500785A JP2016500785A JP6321775B2 JP 6321775 B2 JP6321775 B2 JP 6321775B2 JP 2016500785 A JP2016500785 A JP 2016500785A JP 2016500785 A JP2016500785 A JP 2016500785A JP 6321775 B2 JP6321775 B2 JP 6321775B2
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- 238000000576 coating method Methods 0.000 title description 29
- 239000011248 coating agent Substances 0.000 title description 26
- 239000011148 porous material Substances 0.000 title description 7
- 229920000295 expanded polytetrafluoroethylene Polymers 0.000 claims description 68
- 239000000463 material Substances 0.000 claims description 46
- 239000004812 Fluorinated ethylene propylene Substances 0.000 claims description 40
- 229920009441 perflouroethylene propylene Polymers 0.000 claims description 40
- 230000002792 vascular Effects 0.000 claims description 26
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 claims description 2
- 239000010408 film Substances 0.000 description 85
- 239000000758 substrate Substances 0.000 description 43
- 238000001878 scanning electron micrograph Methods 0.000 description 22
- 238000000034 method Methods 0.000 description 18
- 230000006835 compression Effects 0.000 description 10
- 238000007906 compression Methods 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 10
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 10
- 239000004810 polytetrafluoroethylene Substances 0.000 description 10
- 229920001169 thermoplastic Polymers 0.000 description 9
- 238000001000 micrograph Methods 0.000 description 7
- 229910001220 stainless steel Inorganic materials 0.000 description 7
- 239000010935 stainless steel Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 239000004416 thermosoftening plastic Substances 0.000 description 4
- 230000037303 wrinkles Effects 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 229920001296 polysiloxane Polymers 0.000 description 3
- 239000002243 precursor Substances 0.000 description 3
- 229940124597 therapeutic agent Drugs 0.000 description 3
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 229920002313 fluoropolymer Polymers 0.000 description 2
- 239000004811 fluoropolymer Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000879 optical micrograph Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 229920003223 poly(pyromellitimide-1,4-diphenyl ether) Polymers 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000012815 thermoplastic material Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 206010002329 Aneurysm Diseases 0.000 description 1
- 101100293261 Mus musculus Naa15 gene Proteins 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000003146 anticoagulant agent Substances 0.000 description 1
- 229940127219 anticoagulant drug Drugs 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920000307 polymer substrate Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000017423 tissue regeneration Effects 0.000 description 1
Images
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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Epidemiology (AREA)
- Chemical & Material Sciences (AREA)
- Transplantation (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Vascular Medicine (AREA)
- Medicinal Chemistry (AREA)
- Dermatology (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Cardiology (AREA)
- Prostheses (AREA)
- Materials For Medical Uses (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Artificial Filaments (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- General Chemical & Material Sciences (AREA)
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 (15)
- 原繊維の微細構造を有する第一の材料を含む埋め込み可能な物品であって、前記原繊維の大部分が実質的に湾曲した形状にあり、且つ、前記湾曲した原繊維の大部分が、前記第一の材料と異なる破砕性材料によって実質的に湾曲した形状において拘束されている、埋め込み可能な物品であって、
ここで、前記物品は、該物品の通常の使用中、所定方向に適用される力によって、破砕性材料の破壊及び湾曲した原繊維の直線化が引き起こされ、少なくとも1つの寸法において伸展するように構成されている埋め込み可能な物品。 - 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物品。
- 前記破砕性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物品。
- 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物品。
- 前記物品が、長さ、幅及び厚みを有し、且つ、前記寸法が長さ寸法である、請求項1に記載の埋め込み可能な物品。
- 前記物品が管状物品であり、且つ、前記寸法が前記管状物品の直径である、請求項1に記載の埋め込み可能な物品。
- 前記管状物品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物品。
- 前記管状物品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物品。
- 前記管状物品が直径で最大約50%伸展し得る、請求項6に記載の埋め込み可能な物品。
- 前記物品が管状物品であり、且つ、前記寸法が前記管状物品の長さである、請求項1に記載の埋め込み可能な物品。
- 前記管状物品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物品。
- 前記管状物品が長さで最大約50%伸展性である、請求項11に記載の埋め込み可能な物品。
- 前記物品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物品。
- 前記物品が少なくとも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物品。
- 前記物品が管状血管グラフトであり、且つ、前記少なくとも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物品。
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361787989P | 2013-03-15 | 2013-03-15 | |
| US61/787,989 | 2013-03-15 | ||
| US14/198,901 US9522072B2 (en) | 2013-03-15 | 2014-03-06 | Porous materials having a fibrillar microstructure and a fracturable coating |
| US14/198,901 | 2014-03-06 | ||
| PCT/US2014/021554 WO2014149927A1 (en) | 2013-03-15 | 2014-03-07 | Porous materials having a fibrillar microstructure and a fracturable coating |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2018019981A Division 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2016515859A JP2016515859A (ja) | 2016-06-02 |
| JP6321775B2 true JP6321775B2 (ja) | 2018-05-09 |
Family
ID=51531251
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US9522072B2 (ja) |
| EP (3) | EP2968666B1 (ja) |
| JP (2) | JP6321775B2 (ja) |
| KR (1) | KR101778873B1 (ja) |
| CN (2) | CN109260527B (ja) |
| AU (3) | AU2014237715B2 (ja) |
| BR (1) | BR112015017945A2 (ja) |
| CA (1) | CA2900283C (ja) |
| ES (1) | ES2893477T3 (ja) |
| WO (1) | WO2014149927A1 (ja) |
Families Citing this family (11)
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| US9622888B2 (en) | 2006-11-16 | 2017-04-18 | W. L. Gore & Associates, Inc. | Stent having flexibly connected adjacent stent elements |
| US8926688B2 (en) | 2008-01-11 | 2015-01-06 | W. L. Gore & Assoc. Inc. | Stent having adjacent elements connected by flexible webs |
| US10299948B2 (en) | 2014-11-26 | 2019-05-28 | W. L. Gore & Associates, Inc. | Balloon expandable endoprosthesis |
| US10568752B2 (en) | 2016-05-25 | 2020-02-25 | W. L. Gore & Associates, Inc. | Controlled endoprosthesis balloon expansion |
| AU2018212722A1 (en) | 2017-01-25 | 2019-08-29 | W. L. Gore & Associates, Inc. | Device for treatment and prevention of fluid overload in patients with heart failure |
| US10595874B2 (en) | 2017-09-21 | 2020-03-24 | W. L. Gore & Associates, Inc. | Multiple inflation endovascular medical device |
| US11071626B2 (en) | 2018-03-16 | 2021-07-27 | W. L. Gore & Associates, Inc. | Diametric expansion features for prosthetic valves |
| GB201807322D0 (en) * | 2018-05-03 | 2018-06-20 | Pradin Ltd | A semipermeable arrangement and method of manufacture |
| 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 |
| CN112876269B (zh) * | 2021-01-18 | 2023-04-28 | 湖南碳康生物科技有限公司 | 一种长度可调节碳纤维复合材料人工肋骨及其制备方法 |
| CN117881367A (zh) * | 2021-08-26 | 2024-04-12 | W.L.戈尔及同仁股份有限公司 | 用于医疗装置的顺应性覆盖件 |
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| CA2167943C (en) | 1993-08-18 | 1999-08-17 | Wayne D. House | A thin-wall, seamless, porous polytetrafluoroethylene tube |
| US5735892A (en) | 1993-08-18 | 1998-04-07 | W. L. Gore & Associates, Inc. | Intraluminal stent graft |
| EP0759730B1 (en) | 1994-05-19 | 1999-02-10 | Scimed Life Systems, Inc. | Improved tissue supporting devices |
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| US5899935A (en) * | 1997-08-04 | 1999-05-04 | Schneider (Usa) Inc. | Balloon expandable braided stent with restraint |
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2014
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| CN105073152A (zh) | 2015-11-18 |
| US20140277374A1 (en) | 2014-09-18 |
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| WO2014149927A1 (en) | 2014-09-25 |
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| JP2016515859A (ja) | 2016-06-02 |
| AU2014237715B2 (en) | 2016-10-13 |
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| CN105073152B (zh) | 2018-10-26 |
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| ES2893477T3 (es) | 2022-02-09 |
| CN109260527A (zh) | 2019-01-25 |
| EP2968666A1 (en) | 2016-01-20 |
| AU2018214084A1 (en) | 2018-08-23 |
| CA2900283A1 (en) | 2014-09-25 |
| AU2014237715A1 (en) | 2015-08-06 |
| BR112015017945A2 (pt) | 2017-07-11 |
| CN109260527B (zh) | 2021-11-05 |
| AU2016277621A1 (en) | 2017-01-19 |
| EP3366320A1 (en) | 2018-08-29 |
| US9522072B2 (en) | 2016-12-20 |
| JP6538898B2 (ja) | 2019-07-03 |
| KR101778873B1 (ko) | 2017-09-14 |
| HK1258261A1 (en) | 2019-11-08 |
| KR20150121135A (ko) | 2015-10-28 |
| JP2018110870A (ja) | 2018-07-19 |
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