JP6774495B2 - 生体吸収性膜の製造方法 - Google Patents
生体吸収性膜の製造方法 Download PDFInfo
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- JP6774495B2 JP6774495B2 JP2018541898A JP2018541898A JP6774495B2 JP 6774495 B2 JP6774495 B2 JP 6774495B2 JP 2018541898 A JP2018541898 A JP 2018541898A JP 2018541898 A JP2018541898 A JP 2018541898A JP 6774495 B2 JP6774495 B2 JP 6774495B2
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- 239000012528 membrane Substances 0.000 title claims description 75
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 238000000034 method Methods 0.000 title description 4
- 239000007788 liquid Substances 0.000 claims description 36
- 229920000642 polymer Polymers 0.000 claims description 29
- 239000011248 coating agent Substances 0.000 claims description 16
- 238000000576 coating method Methods 0.000 claims description 16
- 239000002904 solvent Substances 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 6
- 238000004528 spin coating Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 49
- 239000000758 substrate Substances 0.000 description 13
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- 239000012792 core layer Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 210000001519 tissue Anatomy 0.000 description 6
- 239000002344 surface layer Substances 0.000 description 5
- 239000011148 porous material Substances 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 3
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 2
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- OZJPLYNZGCXSJM-UHFFFAOYSA-N 5-valerolactone Chemical compound O=C1CCCCO1 OZJPLYNZGCXSJM-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 239000013543 active substance Substances 0.000 description 2
- 210000001124 body fluid Anatomy 0.000 description 2
- 239000010839 body fluid Substances 0.000 description 2
- 230000010478 bone regeneration Effects 0.000 description 2
- 238000004108 freeze drying Methods 0.000 description 2
- 229960000448 lactic acid Drugs 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000017423 tissue regeneration Effects 0.000 description 2
- VPVXHAANQNHFSF-UHFFFAOYSA-N 1,4-dioxan-2-one Chemical compound O=C1COCCO1 VPVXHAANQNHFSF-UHFFFAOYSA-N 0.000 description 1
- REKYPYSUBKSCAT-UHFFFAOYSA-N 3-hydroxypentanoic acid Chemical compound CCC(O)CC(O)=O REKYPYSUBKSCAT-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 208000007536 Thrombosis Diseases 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- VEZXCJBBBCKRPI-UHFFFAOYSA-N beta-propiolactone Chemical compound O=C1CCO1 VEZXCJBBBCKRPI-UHFFFAOYSA-N 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 210000004261 periodontium Anatomy 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 229960000380 propiolactone Drugs 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000013268 sustained release Methods 0.000 description 1
- 239000012730 sustained-release form Substances 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- YFHICDDUDORKJB-UHFFFAOYSA-N trimethylene carbonate Chemical compound O=C1OCCCO1 YFHICDDUDORKJB-UHFFFAOYSA-N 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- A61L27/58—Materials at least partially resorbable by the body
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D99/00—Subject matter not provided for in other groups of this subclass
- B29D99/005—Producing membranes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0003—Not used, see subgroups
- A61C8/0004—Consolidating natural teeth
- A61C8/0006—Periodontal tissue or bone regeneration
-
- 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
- A61F2/02—Prostheses implantable into the body
- A61F2/28—Bones
- A61F2/2846—Support means for bone substitute or for bone graft implants, e.g. membranes or plates for covering bone defects
-
- 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
- A61L27/40—Composite materials, i.e. containing one material dispersed in a matrix of the same or different material
- A61L27/44—Composite materials, i.e. containing one material dispersed in a matrix of the same or different material having a macromolecular matrix
-
- 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
- A61L27/54—Biologically active materials, e.g. therapeutic substances
-
- 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
- A61L27/56—Porous materials, e.g. foams or sponges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/002—Processes for applying liquids or other fluent materials the substrate being rotated
- B05D1/005—Spin coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
-
- 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
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0014—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
- A61F2250/0023—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in porosity
- A61F2250/0024—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in porosity made from both porous and non-porous parts, e.g. adjacent parts
-
- 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
- A61L2400/00—Materials characterised by their function or physical properties
- A61L2400/18—Modification of implant surfaces in order to improve biocompatibility, cell growth, fixation of biomolecules, e.g. plasma treatment
-
- 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
- A61L2430/00—Materials or treatment for tissue regeneration
- A61L2430/02—Materials or treatment for tissue regeneration for reconstruction of bones; weight-bearing implants
-
- 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
- A61L2430/00—Materials or treatment for tissue regeneration
- A61L2430/12—Materials or treatment for tissue regeneration for dental implants or prostheses
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Transplantation (AREA)
- Epidemiology (AREA)
- Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Dermatology (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Dentistry (AREA)
- Dispersion Chemistry (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Developmental Biology & Embryology (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Wood Science & Technology (AREA)
- Molecular Biology (AREA)
- Mechanical Engineering (AREA)
- Materials For Medical Uses (AREA)
- Dental Preparations (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Laminated Bodies (AREA)
Description
図1に、本実施形態の生体吸収性膜の一例を示す。
図2A〜Cに、生体吸収性膜10の製造方法の一例を示す。
1,4−ジオキサン93質量部中にポリ−DL−乳酸(PDLLA)7質量部を溶解させ、塗布液を得た。
本回転における回転速度を500rpmとした以外は、実施例1と同一の条件として、生体吸収性膜を作製した。得られた生体吸収性膜は、緻密層及び多孔質層からなり、緻密層は、平均厚みが152μmであり、厚みの平均偏差が19μmであった。
本回転における回転速度を3000rpmとした以外は、実施例1と同一の条件として生体吸収性膜を作製した。得られた生体吸収性膜は、緻密層及び多孔質層からなり、緻密層は、平均厚みが51μmであり、厚みの平均偏差が6μmであった。
11 緻密層
12 多孔質層
20 多孔質膜
L 液膜
Claims (2)
- 第一の生体吸収性ポリマーを含む緻密層と、第二の生体吸収性ポリマーを含む多孔質層を有する生体吸収性膜を製造する方法であって、
前記第一の生体吸収性ポリマー及び溶媒を含む塗布液をスピンコートして、液膜を形成する工程と、
該液膜に、前記第二の生体吸収性ポリマーを含む多孔質膜を接触させながら、又は、接触させた後、乾燥させて、前記緻密層と、前記多孔質層を形成する工程を含む、生体吸収性膜の製造方法。 - 前記塗布液をスピンコートする際に、回転台を50rpm以上500rpm以下で予備回転させた後、500rpm以上3000rpm以下で本回転させる、請求項1に記載の生体吸収性膜の製造方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016193920 | 2016-09-30 | ||
JP2016193920 | 2016-09-30 | ||
PCT/JP2017/020592 WO2018061323A1 (ja) | 2016-09-30 | 2017-06-02 | 生体吸収性膜の製造方法及び生体吸収性膜 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2018061323A1 JPWO2018061323A1 (ja) | 2019-07-11 |
JP6774495B2 true JP6774495B2 (ja) | 2020-10-21 |
Family
ID=61759514
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2018541898A Active JP6774495B2 (ja) | 2016-09-30 | 2017-06-02 | 生体吸収性膜の製造方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US11110204B2 (ja) |
EP (1) | EP3520829B1 (ja) |
JP (1) | JP6774495B2 (ja) |
KR (1) | KR102227396B1 (ja) |
CN (1) | CN109803692A (ja) |
ES (1) | ES2903533T3 (ja) |
WO (1) | WO2018061323A1 (ja) |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2511834B2 (ja) * | 1990-09-27 | 1996-07-03 | 鐘紡株式会社 | 二層性ゼラチンシ―ト及びその製造方法 |
US5618878A (en) | 1995-04-07 | 1997-04-08 | Dow Corning Corporation | Hydrogen silsesquioxane resin coating composition |
WO1998024483A2 (en) * | 1996-12-03 | 1998-06-11 | Osteobiologics, Inc. | Biodegradable polymeric film |
JP2002085547A (ja) | 2000-09-11 | 2002-03-26 | Gc Corp | 歯科用吸収性組織再生膜 |
DE10108545A1 (de) * | 2001-02-17 | 2002-09-05 | Tim Salditt | Verfahren zur Aufbringung multilamellarer Doppelschichten amphiphiler Moleküle mit Belackungsschleuder |
JP4390247B2 (ja) | 2003-04-25 | 2009-12-24 | 富士フイルム株式会社 | 溶液製膜方法 |
US8357616B2 (en) | 2005-04-14 | 2013-01-22 | President And Fellows Of Harvard College | Adjustable solubility in sacrificial layers for microfabrication |
US9889230B2 (en) | 2008-10-17 | 2018-02-13 | Covidien Lp | Hemostatic implant |
CN102316823B (zh) * | 2009-02-11 | 2016-06-08 | 新加坡南洋理工大学 | 多层外科用假体 |
US8349354B2 (en) | 2009-09-22 | 2013-01-08 | Ethicon, Inc. | Composite layered hemostasis device |
KR20120088786A (ko) | 2009-12-08 | 2012-08-08 | 가부시끼가이샤 제이엠에스 | 다공성 부재, 다공화 방법 및 상기 다공성 부재의 제조 방법 |
CN101954126A (zh) | 2010-09-26 | 2011-01-26 | 华南理工大学 | 一种仿生型改性胶原组织修复材料的制备方法 |
JP2012095731A (ja) * | 2010-10-29 | 2012-05-24 | Gunze Ltd | 生体吸収性医療材料 |
KR101554490B1 (ko) * | 2014-04-04 | 2015-09-21 | 고려대학교 산학협력단 | 생체적합성 인공 기저막의 제조방법 및 이를 이용한 생체적합성 인공 기저막 |
-
2017
- 2017-06-02 WO PCT/JP2017/020592 patent/WO2018061323A1/ja unknown
- 2017-06-02 KR KR1020197009041A patent/KR102227396B1/ko active IP Right Grant
- 2017-06-02 EP EP17855282.4A patent/EP3520829B1/en active Active
- 2017-06-02 CN CN201780059802.1A patent/CN109803692A/zh active Pending
- 2017-06-02 US US16/336,622 patent/US11110204B2/en active Active
- 2017-06-02 ES ES17855282T patent/ES2903533T3/es active Active
- 2017-06-02 JP JP2018541898A patent/JP6774495B2/ja active Active
Also Published As
Publication number | Publication date |
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WO2018061323A1 (ja) | 2018-04-05 |
CN109803692A (zh) | 2019-05-24 |
EP3520829A1 (en) | 2019-08-07 |
US11110204B2 (en) | 2021-09-07 |
ES2903533T3 (es) | 2022-04-04 |
KR102227396B1 (ko) | 2021-03-11 |
EP3520829A4 (en) | 2020-05-06 |
KR20190045262A (ko) | 2019-05-02 |
US20200360568A1 (en) | 2020-11-19 |
JPWO2018061323A1 (ja) | 2019-07-11 |
EP3520829B1 (en) | 2021-11-17 |
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