WO2016195152A1 - 자외선을 이용한 콜라겐 필름의 제조방법, 이를 이용하여 제조된 콜라겐 필름 및 콜라겐 필름을 이용하여 제조된 생체재료 - Google Patents
자외선을 이용한 콜라겐 필름의 제조방법, 이를 이용하여 제조된 콜라겐 필름 및 콜라겐 필름을 이용하여 제조된 생체재료 Download PDFInfo
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- WO2016195152A1 WO2016195152A1 PCT/KR2015/006356 KR2015006356W WO2016195152A1 WO 2016195152 A1 WO2016195152 A1 WO 2016195152A1 KR 2015006356 W KR2015006356 W KR 2015006356W WO 2016195152 A1 WO2016195152 A1 WO 2016195152A1
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- collagen
- film
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- 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
- A61L27/22—Polypeptides or derivatives thereof, e.g. degradation products
- A61L27/24—Collagen
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- 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
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- 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
- A61L2430/14—Materials or treatment for tissue regeneration for ear reconstruction or ear implants, e.g. implantable hearing aids
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- 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
- A61L2430/16—Materials or treatment for tissue regeneration for reconstruction of eye parts, e.g. intraocular lens, cornea
Definitions
- the present invention relates to a method for producing a collagen film using ultraviolet rays, to a collagen film prepared using the same and a biomaterial manufactured using the collagen film, in particular, to a film by crosslinking collagen separated from animal tissue using ultraviolet light
- the present invention relates to a method for producing a collagen film using ultraviolet rays, to prepare a collagen film and a biomaterial manufactured using the collagen film.
- Biomaterial can be defined as an artificial substance that is exposed to body fluids intermittently or continuously in contact with surrounding tissues in order to replace the function of damaged or malfunctioning human tissues and organs.
- Biomaterials used in the human body should be similar to the parts of the tissue to be repaired in consideration of their size and shape, and their mechanical and physical properties should be as identical as possible to the original tissue to maintain a lasting effect.
- the biological polymer is a raw material, it is a solution (Solution), a film (Film), sponge (Fibers), fibers (Fibers), Hydrogel (Hydrogel) Are classified into formulations.
- solution formulations include skin graft material, coating agent, drug carrier, and cell culture matrix
- film formulations include wound coating material, drug delivery agent, anti-adhesion film, and tympanic membrane or cornea.
- sponge formulations are applied to wound dressings, hemostatic agents, artificial skin and artificial organs, fiber formulations are applied to surgical sutures, and hydrogel formulations can be applied to contact lenses, soft tissue implants and cell culture matrices.
- Biomaterials in solution, sponge, and hydrogel formulations have been applied to various fields and commercialized, while film-type biomaterials lack the formulation for commercialization.
- the biomaterial of the film formulation can be used for the following purposes.
- a treatment method using a wound dressing or a cell membrane cultured with epithelial cells is used.
- the biomaterial of the film formulation is suitable for use for the purpose of increasing the engraftment to affected tissues by acting as a wound dressing or by strengthening the epithelial cell layer.
- otorhinolaryngology it is suitable for use as a patch used in tympanic patch surgery (a procedure that induces the epithelial layer to be regenerated along the patch by applying a patch to the perforated margin of the tympanic membrane).
- ophthalmology In ophthalmology, it can be used after corneal surgery or in the case of corneal injuries, and in the form of a lens that can be used.
- a film-like shielding film (such as prevention of defect area and influx of germs) is used for guided tissue regeneration. Available for the purpose of securing space suitable for functional reconstruction for bone regeneration).
- Collagen has excellent characteristics as a medical material because it has excellent biocompatibility and tissue affinity, low antigenicity, cell adhesion ability, action to promote differentiation and proliferation, hemostatic effect, and absorption after complete decomposition in vivo.
- Collagen crosslinking is largely classified into chemical crosslinking and physical crosslinking.
- Chemical crosslinking methods include crosslinking agents such as Formaldehyde, Glutaraldehyde, Carbodiimides (EDC), and Polyepoxy compounds.
- Physical crosslinking methods include dry heat treatment, ultraviolet irradiation, and gamma irradiation.
- Patent No. 10-0536478 of Life Code International Co., Ltd. discloses glucosaminoglycans after re-dissolving lyophilized collagen with a low concentration of collagen solution of less than 1 to 2% to develop biodegradable polymer substrates for artificial organ preparation.
- Crosslinking produced a biodegradable collagen substrate in the form of a film.
- Patent Registration No. 10-1434041 of Genewell Co., Ltd. is a hexamethylene diisocyanate, epoxy group, carbodiim after swelling, pulverizing, and filtering a biological tissue-derived material to develop a membrane for induction of regeneration prepared from a biological tissue-derived material.
- the membrane was prepared through a chemical crosslinking treatment such as acyl azide or a thermal crosslinking treatment applying a heat of 50-200 ° C. at 50-100 torr vacuum.
- the present invention proceeds to solve these problems, establishing the conditions and methods for producing a collagen film by only UV crosslinking collagen solution without chemical crosslinking agent or lyophilization process.
- the technical problem to be solved by the present invention is to produce a collagen film using a UV light that can produce a collagen film of a smooth surface formulation by producing a film by UV crosslinking of the collagen solution without a chemical crosslinking agent or lyophilization process.
- Another technical problem to be solved by the present invention is to provide a collagen film prepared using the method for producing a collagen film using the above ultraviolet.
- Another technical problem to be solved by the present invention is to provide a biomaterial for medical purposes manufactured using the collagen film as described above.
- the method for producing a collagen film using the ultraviolet ray of the present invention the collagen solution manufacturing step of preparing a collagen solution by dissolving collagen in an acidic solution; A crosslinking step of physically crosslinking by irradiating the collagen solution with ultraviolet rays; And a drying step of naturally drying the crosslinked collagen.
- it is characterized in that it further comprises a bubble removing step of removing bubbles from the collagen solution dissolved in the acidic solution.
- the present invention provides a biomaterial manufactured using the collagen film, wherein the biomaterial is any one of a wound dressing, an eardrum patch, a dental shield, an artificial cornea, an artificial lens, an anti-adhesion film, a drug delivery agent, and an artificial organ. It is characterized by.
- the collagen film of the formulation having a smooth surface can be manufactured by using collagen and ultraviolet irradiation for film manufacture.
- wound dressings In addition, using a collagen film, it is possible to manufacture wound dressings, artificial tympanic patches, artificial corneas and lenses, dental shielding films, drug delivery agents, anti-adhesion films, and artificial organs.
- FIG. 1 is a process chart according to one embodiment of a method for producing a collagen film using ultraviolet rays according to the present invention
- Figure 2 is a drawing substitute photograph of the collagen film prepared using pig skin tissue according to the present invention.
- FIG. 3 is a drawing substitute photograph of a collagen film prepared using flipper skin tissue according to the present invention.
- Figure 4 is a drawing substitute photograph of the wound dressing prepared in various sizes using the collagen film according to the present invention.
- FIG. 7 is a drawing substitute photograph of a patch for artificial tympanic membrane prepared using a collagen film according to the present invention.
- the present invention relates to a method for producing a collagen film using ultraviolet light, which is efficient and industrially applicable as a simple process that solves the problems of the conventional method and removes chemical substances, lyophilization and the like.
- collagen refers to a protein which is extracted by treating an animal tissue or treating enzymes such as pepsin.
- FIG. 1 is a process chart according to an embodiment of a method of manufacturing a collagen film using ultraviolet rays according to the present invention. Referring to this, a method of manufacturing a collagen film using ultraviolet rays is as follows.
- the collagen solution is dissolved or diluted in the acid solution at a ratio of 0.2 to 3% relative to the acid solution, and more preferably dissolved or diluted at a ratio of 0.6 to 1%.
- an aqueous solution such as phosphoric acid or hydrochloric acid at pH 2-5 is used, and more preferably pH 2-3.
- Collagen that can be used includes various tissues such as mammals, birds, fish and the like.
- the diluted collagen solution does not include bubbles, but bubbles may occur in the diluted collagen solution preparation step (S100).
- a bubble removing step (S200) for removing the bubbles of the diluted collagen solution may be additionally included.
- the diluted collagen solution is then dispensed into a plastic mold.
- the amount dispensed into the mold is 0.4 to 1.8 ml / cm 2, and more preferably 0.6 to 1.2 ml / cm 2.
- the thickness of the film is 50 ⁇ m or less here, it is difficult to obtain from the mold, and it is easily torn and difficult to control.
- the diluted collagen solution is then crosslinked with ultraviolet light at room temperature.
- the wavelength of ultraviolet-ray is 10-380 nm, Preferably it is 200-280 nm.
- strength of the ultraviolet-ray irradiated is 0.10-0.50 dl / cm ⁇ 2>, More preferably, it is 0.35-0.38 dl / cm ⁇ 2>.
- Ultraviolet irradiation time is 12 to 48 hours, More preferably, it is 24 to 26 hours.
- the crosslinked collagen is prepared into a collagen film through a drying step (S400) that is naturally dried.
- Drying temperature is 5-30 degreeC, More preferably, it is 15-24 degreeC.
- drying time is 72 to 168 hours, More preferably, it is 96 to 120 hours.
- Drying at a high temperature causes denaturation of collagen protein and thus does not produce a desired effect, and it is difficult to obtain a film having a smooth surface.
- a facility for easily removing moisture may be additionally used.
- Figure 2 is a drawing substitute photograph of a collagen film prepared using pig skin tissue according to the present invention
- Figure 3 is a drawing substitute photograph of a collagen film prepared using a flipper skin tissue according to the present invention.
- the collagen film 100 as shown in FIGS. 2 and 3 can be obtained through the method of manufacturing the collagen film using the ultraviolet rays as described above.
- the embodiment 1 will be described below.
- Collagen was isolated from porcine skin or flipper skin tissue, and then, hydrochloric acid was added to distilled water and dissolved and diluted so that the collagen concentration was 0.6-1% using an acid solution having a pH of 2-3.
- hydroxyproline assay is used to measure the concentration of collagen.
- the cells were stored at 4 ° C. for 24 hours to remove bubbles.
- the bubble-free collagen solution was dispensed into a plastic mold.
- ultraviolet rays having a wavelength of 253 nm were irradiated to the template dispensed with the collagen solution at room temperature.
- Ultraviolet rays were irradiated for 24 to 26 hours at an intensity of 0.35 to 0.38 mW / cm 2 to transfer energy of 30 to 36 J / cm 2 to crosslink the collagen.
- the temperature was maintained at 15-24 ° C. for 96-120 hours, and dried in a state where no wind was blown and impurities were not introduced.
- a collagen film 100 of a smooth surface formulation was prepared.
- Figure 4 is a picture substitute picture of the wound coating material produced in various sizes using the collagen film according to the present invention
- Figure 5 is a picture substitute picture of a dental shielding film prepared in various sizes using the collagen film according to the present invention.
- 6 is a drawing substitute photograph prepared in various forms to confirm the flexibility of the collagen film according to the present invention
- Figure 7 is a drawing substitute photograph of a patch for artificial tympanic membrane prepared using the collagen film according to the present invention.
- the cross-linked and dried collagen film was separated from the mold to prepare various medical biomaterials.
- the collagen film was cut into various sizes between 1 and 20 cm using a surgical scalpel to meet the specifications of the wound dressing or the dental shielding membrane.
- Collagen film 100 prepared by using UV crosslinking can be cut into various shapes according to the site or purpose to be applied, as shown in Figure 6, it was confirmed that can be used to bend or folded because of excellent flexibility. .
- the collagen film was cut into a size of 8 mm in diameter and 50 to 100 ⁇ m in thickness using BIOPSY PUNCH to meet the specifications of the artificial tympanic patch.
- the cut collagen film was found to be a suitable material for tympanoscopy because of its smooth surface.
- the biomaterial using the collagen film of the present invention can also be used in artificial cornea, artificial lens, drug delivery agent, anti-adhesion film, artificial organs, etc., and can be cut and used in various shapes and sizes depending on the intended use, so that the separate An embodiment of omit it.
- the method for producing a collagen film using ultraviolet rays according to the present invention may be used as an efficient method for producing an industrially applicable collagen film by adding a chemical substance or using a simple process in which processes such as lyophilization and dry heat treatment are removed. Can be.
- collagen film according to the present invention can be used for wound coating for medical purposes, artificial tympanic patch, artificial cornea and lens, dental shielding film, drug delivery agent, anti-adhesion film, artificial organs and the like.
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Abstract
Description
Claims (15)
- 콜라겐을 산성 용액에 용해하여 콜라겐 용액을 제조하는 콜라겐 용액 제조단계;상기 콜라겐 용액에 자외선을 조사하여 물리적으로 가교하는 가교단계; 및상기 가교된 콜라겐을 자연 건조하는 건조단계;를 포함하는 자외선을 이용한 콜라겐 필름의 제조방법.
- 제1항에 있어서,상기 산성 용액에 용해된 콜라겐 용액에서 기포를 제거하는 기포제거단계를 더 포함하는 자외선을 이용한 콜라겐 필름의 제조방법.
- 제1항에 있어서, 상기 콜라겐은,상기 산성 용액 대비 0.2~3%의 비율로 용해시키는 것을 특징으로 하는 자외선을 이용한 콜라겐 필름의 제조방법.
- 제1항에 있어서, 상기 콜라겐은,포유류, 조류 및 어류 중 어느 하나로부터 분리된 것을 사용하는 자외선을 이용한 콜라겐 필름의 제조방법.
- 제1항에 있어서, 상기 산성 용액은,pH 2~5의 산성 용액인 것을 특징으로 하는 자외선을 이용한 콜라겐 필름의 제조방법.
- 제5항에 있어서, 상기 산성 용액은,인산 또는 염산 수용액인 것을 특징으로 하는 자외선을 이용한 콜라겐 필름의 제조방법.
- 제1항에 있어서,상기 콜라겐 용액 제조단계에서 제조된 콜라겐 용액은 주형에 분주하며, 분주하는 콜라겐 용액의 양은 0.4~1.8 ㎖/㎠인 것을 특징으로 하는 자외선을 이용한 콜라겐 필름의 제조방법.
- 제1항에 있어서, 상기 가교단계에서는,자외선의 파장이 10~380 ㎛인 것을 특징으로 하는 자외선을 이용한 콜라겐 필름의 제조방법.
- 제8항에 있어서,자외선의 강도가 0.10~0.50 ㎽/㎠인 것을 특징으로 하는 자외선을 이용한 콜라겐 필름의 제조방법.
- 제9항에 있어서,자외선의 조사시간이 12~48시간인 것을 특징으로 하는 자외선을 이용한 콜라겐 필름의 제조방법.
- 제1항에 있어서, 상기 건조단계에서는,건조온도가 5~30℃인 것을 특징으로 하는 자외선을 이용한 콜라겐 필름의 제조방법.
- 제11항에 있어서,건조시간은 72~168시간인 것을 특징으로 하는 자외선을 이용한 콜라겐 필름의 제조방법.
- 제1항 내지 제12항 중 어느 하나의 항에 기재된 상기 자외선을 이용한 콜라겐 필름의 제조방법을 이용하여 제조된 콜라겐 필름.
- 제12항에 기재된 상기 콜라겐 필름을 이용하여 제조된 생체재료.
- 제14항에 있어서, 상기 생체재료는,창상피복재, 인공 고막 패치, 치과용 차폐막, 인공 각막, 인공 렌즈, 유착방지막, 약물전달제재 및 인공장기 중 어느 하나인 것을 특징으로 하는 생체재료.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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AU2015397501A AU2015397501B2 (en) | 2015-06-03 | 2015-06-23 | Method for manufacturing collagen film using ultraviolet light, collagen film manufactured by using same, and biomaterial prepared using collagen film |
JP2017560906A JP6573990B2 (ja) | 2015-06-03 | 2015-06-23 | 紫外線を用いたコラーゲンフィルムの製造方法、これを用いて製造されたコラーゲンフィルム、およびコラーゲンフィルムを用いて製造された生体材料 |
PL15894325T PL3305339T3 (pl) | 2015-06-03 | 2015-06-23 | Sposób wytwarzania filmu kolagenowego z użyciem światła nadfioletowego, film kolagenowy wytworzony z jego użyciem oraz biomateriał wytworzony z użyciem filmu kolagenowego |
CN201580080647.2A CN107708755A (zh) | 2015-06-03 | 2015-06-23 | 利用紫外线的胶原膜的制备方法、利用该方法制备的胶原膜及利用胶原膜制备的生物材料 |
EP15894325.8A EP3305339B1 (en) | 2015-06-03 | 2015-06-23 | Method for manufacturing collagen film using ultraviolet light, collagen film manufactured by using same, and biomaterial prepared using collagen film |
ES15894325T ES2874082T3 (es) | 2015-06-03 | 2015-06-23 | Procedimiento de fabricación de película de colágeno con luz ultravioleta, película de colágeno fabricada con el mismo y biomaterial preparado con película de colágeno |
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KR10-2015-0078507 | 2015-06-03 | ||
KR1020150078507 | 2015-06-03 |
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WO2016195152A1 true WO2016195152A1 (ko) | 2016-12-08 |
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PCT/KR2015/006356 WO2016195152A1 (ko) | 2015-06-03 | 2015-06-23 | 자외선을 이용한 콜라겐 필름의 제조방법, 이를 이용하여 제조된 콜라겐 필름 및 콜라겐 필름을 이용하여 제조된 생체재료 |
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EP (1) | EP3305339B1 (ko) |
JP (1) | JP6573990B2 (ko) |
CN (1) | CN107708755A (ko) |
AU (1) | AU2015397501B2 (ko) |
ES (1) | ES2874082T3 (ko) |
PL (1) | PL3305339T3 (ko) |
WO (1) | WO2016195152A1 (ko) |
Cited By (4)
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CN110305344A (zh) * | 2019-06-20 | 2019-10-08 | 无锡贝迪生物工程股份有限公司 | 一种高力学性能胶原膜的制备方法 |
US10729716B2 (en) | 2012-03-29 | 2020-08-04 | Cxl Ophthalmics, Llc | Compositions and methods for treating or preventing diseases associated with oxidative stress |
US11033429B2 (en) | 2010-09-30 | 2021-06-15 | Cxl Ophthalmics, Llc | Ophthalmic treatment device, system, and method of use |
US11931291B2 (en) | 2012-03-29 | 2024-03-19 | Epion Therapeutics, Inc. | Ophthalmic treatment solution delivery devices and delivery augmentation methods |
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- 2015-06-23 AU AU2015397501A patent/AU2015397501B2/en not_active Ceased
- 2015-06-23 JP JP2017560906A patent/JP6573990B2/ja active Active
- 2015-06-23 CN CN201580080647.2A patent/CN107708755A/zh active Pending
- 2015-06-23 PL PL15894325T patent/PL3305339T3/pl unknown
- 2015-06-23 ES ES15894325T patent/ES2874082T3/es active Active
- 2015-06-23 WO PCT/KR2015/006356 patent/WO2016195152A1/ko active Application Filing
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US11033429B2 (en) | 2010-09-30 | 2021-06-15 | Cxl Ophthalmics, Llc | Ophthalmic treatment device, system, and method of use |
US11135090B2 (en) | 2010-09-30 | 2021-10-05 | Cxl Ophthalmics, Llc | Ophthalmic treatment device, system, and method of use |
US10729716B2 (en) | 2012-03-29 | 2020-08-04 | Cxl Ophthalmics, Llc | Compositions and methods for treating or preventing diseases associated with oxidative stress |
US11497766B2 (en) | 2012-03-29 | 2022-11-15 | Cxl Ophthalmics, Llc | Compositions and methods for treating or preventing diseases associated with oxidative stress |
US11931291B2 (en) | 2012-03-29 | 2024-03-19 | Epion Therapeutics, Inc. | Ophthalmic treatment solution delivery devices and delivery augmentation methods |
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Also Published As
Publication number | Publication date |
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JP2018522091A (ja) | 2018-08-09 |
AU2015397501A1 (en) | 2017-12-21 |
EP3305339A1 (en) | 2018-04-11 |
EP3305339A4 (en) | 2019-01-23 |
ES2874082T3 (es) | 2021-11-04 |
JP6573990B2 (ja) | 2019-09-11 |
AU2015397501B2 (en) | 2019-06-06 |
CN107708755A (zh) | 2018-02-16 |
EP3305339B1 (en) | 2021-05-05 |
PL3305339T3 (pl) | 2021-09-27 |
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