JP6742913B2 - 多層構造補綴要素 - Google Patents
多層構造補綴要素 Download PDFInfo
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- JP6742913B2 JP6742913B2 JP2016559287A JP2016559287A JP6742913B2 JP 6742913 B2 JP6742913 B2 JP 6742913B2 JP 2016559287 A JP2016559287 A JP 2016559287A JP 2016559287 A JP2016559287 A JP 2016559287A JP 6742913 B2 JP6742913 B2 JP 6742913B2
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- 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
- A61F2/30—Joints
- A61F2/30721—Accessories
- A61F2/30734—Modular inserts, sleeves or augments, e.g. placed on proximal part of stem for fixation purposes or wedges for bridging a bone defect
-
- 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
- A61F2/30—Joints
- A61F2/38—Joints for elbows or knees
- A61F2/389—Tibial components
-
- 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
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30003—Material related properties of the prosthesis or of a coating on the prosthesis
- A61F2002/30004—Material related properties of the prosthesis or of a coating on the prosthesis the prosthesis being made from materials having different values of a given property at different locations within the same prosthesis
- A61F2002/30011—Material related properties of the prosthesis or of a coating on the prosthesis the prosthesis being made from materials having different values of a given property at different locations within the same prosthesis differing in porosity
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- 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
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30108—Shapes
- A61F2002/3011—Cross-sections or two-dimensional shapes
- A61F2002/30112—Rounded shapes, e.g. with rounded corners
- A61F2002/30125—Rounded shapes, e.g. with rounded corners elliptical or oval
-
- 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
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30108—Shapes
- A61F2002/30199—Three-dimensional shapes
- A61F2002/30205—Three-dimensional shapes conical
- A61F2002/30217—Three-dimensional shapes conical hollow cones, e.g. tubular-like cones
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- 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
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30317—The prosthesis having different structural features at different locations within the same prosthesis
- A61F2002/30324—The prosthesis having different structural features at different locations within the same prosthesis differing in thickness
-
- 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
- A61F2/30—Joints
- A61F2/30721—Accessories
- A61F2/30734—Modular inserts, sleeves or augments, e.g. placed on proximal part of stem for fixation purposes or wedges for bridging a bone defect
- A61F2002/30738—Sleeves
-
- 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
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2002/3092—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth having an open-celled or open-pored structure
-
- 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
- A61F2/30—Joints
- A61F2/3094—Designing or manufacturing processes
- A61F2002/30971—Laminates, i.e. layered products
-
- 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
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2002/4631—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor the prosthesis being specially adapted for being cemented
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Cardiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Physical Education & Sports Medicine (AREA)
- Prostheses (AREA)
Description
多層構造補綴要素は、大きな骨欠損及び骨キャビティーに充填され、骨を再形成するために、骨、例えば、脛骨に挿入されて、補綴要素の位置付けをするための安定な基礎部を提供する。部位が一旦形成された場合、必要ならば、外科医が、多層構造補綴要素を、骨の内部に配位する。例えば、図1の多層構造補綴要素を、脛骨に挿入することを想定した場合、外側表面18を骨部分と接触させ、一方、内側キャビティー2は、補綴の脛骨部40と結合するようになっている軸幹30を収容する。図5から分かるように、脛骨部40は、軸幹30への近位部に、ラグ41、42を具備しており、軸幹30に対する一定の自由回転度を維持しつつ、脛骨プラトー43の、多層構造補綴要素100に対する安定性を確保している。事実、ラグ41及び42は、それぞれ、中央本体1のノッチ13及び14の内部に受容される。ラグ41及び42は、部分的に、自由に動いて、ノッチ13及び14内に収容され、一方、脛骨プラトー43は、近位縁部11に並列になる。更に、軸幹30及び脛骨部分40は、形状契合又は周知の締結具によって、相互に結合される。結合した後、主要本体1のキャビティー2内に注入された骨セメントが、軸幹30及び脛骨部分40に依って形成されたアセンブリを、多層構造補綴要素100と一体化する。実際、内側表面15の海綿状構造によって、骨セメントが、前記内側表面15の気孔内部に受容されて、骨セメントが、完全に充填されて、内側キャビティー2を、出来る限り、密閉する。このようにして、骨セメントは、内側表面15の気孔内部に浸透し、軸幹30及びラグ41及び42を、少なくとも部分的に取り囲み、一旦、硬化すると、軸幹30及び脛骨部分40から成るアセンブリが、多層構造補綴要素100と一体化され、補綴が完全に位置決めされる。
2:2’ 軸方向貫通キャビティー
11 近位縁部
12 遠位縁部
13 ノッチ
14 ノッチ
15 内側表面
16 肉薄区画
18 外側表面
24 ノッチ
25 第2端部
26 曲率半径が短い部分
27 曲率半径が長い部分
30 軸幹
40 脛骨部
41 ラグ
42:42’ 位置決めラグ
43 脛骨プラトー
100;100’ 多層構造補綴要素
110:110’ 外側部分
120:120’ 中間部分
130:130’ 内側部分
X 長軸
Y 短軸
B 端部25に対する弦
Claims (12)
- 多層構造補綴要素であって;
切頭円錐形状の中央本体(1:1’)で、前記中央本体(1:1’)に、環状断面を与える両端開口の軸方向貫通キャビティー(2;2’)を備えている中央本体(1:1’)を含み、前記中央本体(1:1’)は、骨梁用金属材料で製造された外側部分(110;110’)と、骨梁用金属材料で製造された内側部分(130;130’)と、金属材料で製造された中間部分(120;120’)とを備えており、
前記外側部分(110;110’)と前記内側部分(130;130’)は、前記中間部分(120;120’)と結合されており、
前記中間部分(120;120’)は、一方の側において前記内側部分(130;130’)に、他方の側において前記外側部分(110;110’)に伝達されたストレスに対して、力学的に抵抗をするような構成になっており、
前記中間部分(120;120’)は、多孔度閾値よりも小さい多孔度のレベルを有し、
前記中間部分は、前記多孔度のレベルにより骨セメントのバリヤーを形成し、
前記外側部分(110;110’)、前記内側部分(130;130’)および前記中間部分(120;120’)は、すべて環状断面を有しており、同軸上に配設され、前記中央本体(1:1’)の遠位縁部(12)から近位縁部(11)へ半径方向に重複している多層構造補綴要素。 - 前記中間部分(120;120’)は、前記内側部分(130;130’)及び前記外側部分(110;110’)に使用されているのと同じ金属材料で製造されている、請求項1に記載した多層構造補綴要素。
- 前記外側部分(110;110’)と前記内側部分(130;130’)の厚さは、0.5mmと5.5mmの間であり、前記中間部分(120;120’)の厚さは、0.9mmと3mmの間である、請求項1又は2に記載した多層構造補綴要素。
- 前記外側部分(110;110’)、及び前記中間部分(120;120’)、及び前記内側部分(130;130’)は、焼結により一体結合されている、請求項1〜3のいずれか1項に記載した多層構造補綴要素。
- 縁部(11)は、U字形で、中央本体(1)の軸方向延長部の一部分まで延設された2つのノッチ(13,14)を備えており、前記2つのノッチ(13、14)は、多層構造補綴要素の中心軸に関して、左右対称位置に配設されている、請求項1〜4のいずれか1項に記載した多層構造補綴要素。
- 前記2つのノッチ(13,14)によって影響を受けない前記内側部分(130)の一部は肉薄部分(16)を含んでおり、
前記肉薄部分(16)は、前記内側部分(130)の軸方向延長部の一部分まで延設されており、かつ前記多層構造補綴要素のセンタリングを容易にするように構成されており、
前記肉薄部分(16)は、前記多層構造補綴要素の前方または正面に配設されている、請求項5に記載した多層構造補綴要素。 - 前記中央本体(1’)は、半径方向に楕円形断面を有している、請求項1〜4のいずれか1項に記載した多層構造補綴要素。
- 前記中央本体(1’)は、前記中央本体(1’)の長軸(X)の第1端部にノッチ(24)を有している、請求項1〜4のいずれか1項に従属する請求項7のみに記載した多層構造補綴要素。
- 前記第2端部に対する弦(B)は、中央本体(1’)自体の長軸(X)に沿って測って、中央本体(1’)の長さ(A)の45%と85%の間の範囲の長さを有している、請求項8に記載した多層構造補綴要素。
- 前記中央本体(1’)は、中央本体(1’)の長軸(X)に関して左右対称で、中央本体(1’)の短軸(Y)に関して左右非対称で、軸方向貫通キャビティー(2’)内に、曲率半径が小さな部分(26)と曲率半径が大きな部分(27)を画定している、請求項7〜9のいずれか1項に記載した多層構造補綴要素。
- 前記曲率半径が大きな部分(27)に対する弦(B)は、中央本体(1’)自体の長軸(X)に沿って測って、中央本体(1’)の長さ(A)の45%と85%の間の範囲の長さを有している、請求項10に記載した多層構造補綴要素。
- 請求項7〜11のいずれか1項に記載した多層構造補綴要素を具備する脛骨補綴であって、脛骨板(43)を有する補綴の脛骨部(40)に結合するのに適した軸幹(30)を備えており、前記軸幹(30)は、中央本体(1’)の焦軸の中点に関して偏倚した位置にある軸方向貫通キャビティー(2’)内に収容されるのに適している脛骨補綴。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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ITMI2014A000516 | 2014-03-27 | ||
ITMI20140516 | 2014-03-27 | ||
PCT/IB2015/052142 WO2015145348A1 (en) | 2014-03-27 | 2015-03-24 | Multi-layered prosthetic element |
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JP2017508562A JP2017508562A (ja) | 2017-03-30 |
JP6742913B2 true JP6742913B2 (ja) | 2020-08-19 |
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US (1) | US10932913B2 (ja) |
EP (1) | EP3122291B1 (ja) |
JP (1) | JP6742913B2 (ja) |
AU (1) | AU2015237852B2 (ja) |
ES (1) | ES2858629T3 (ja) |
WO (1) | WO2015145348A1 (ja) |
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CN107820414B (zh) | 2015-07-09 | 2021-12-10 | 沃尔德马连接两合公司 | 用于铰接式接头的套管增大装置 |
CN107820415B (zh) | 2015-07-09 | 2019-12-24 | 沃尔德马连接两合公司 | 空心套管增大装置及工具 |
CN108852560B (zh) * | 2018-09-05 | 2024-03-01 | 西安赛隆金属材料有限责任公司 | 一种定制化多孔钽胫骨垫块 |
KR102253136B1 (ko) * | 2018-11-01 | 2021-05-17 | 주식회사 엘지생활건강 | 윤기 지속형 화장료 조성물 |
US11660199B2 (en) | 2020-01-29 | 2023-05-30 | Encore Medical, L.P. | Modular knee augment cones |
DE102020205229A1 (de) * | 2020-04-24 | 2021-10-28 | Aesculap Ag | Knochenimplantat |
IT202000016288A1 (it) | 2020-07-06 | 2022-01-06 | Limacorporate Spa | Elemento di aumento per protesi, in particolare per protesi di ginocchio |
EP4147678B1 (de) * | 2021-09-10 | 2023-11-08 | Heraeus Medical GmbH | Augmentationsvorrichtung und augmentationssystem |
EP4226897B1 (de) * | 2022-02-11 | 2024-07-03 | Heraeus Medical GmbH | Augmentationsvorrichtung |
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US20040162619A1 (en) * | 2001-08-27 | 2004-08-19 | Zimmer Technology, Inc. | Tibial augments for use with knee joint prostheses, method of implanting the tibial augment, and associated tools |
JP2004008411A (ja) * | 2002-06-05 | 2004-01-15 | Chubu Yugiki Hanbai Kk | 残留遊技球を視認可能にした遊技機 |
EP2394607B1 (en) | 2008-06-03 | 2016-08-24 | DePuy (Ireland) | Porous titanium tibial sleeves |
US8932364B2 (en) | 2010-07-14 | 2015-01-13 | Howmedica Osteonics Corp. | Prosthetic knee void filers with splined fixation |
CA2860718C (en) * | 2012-01-09 | 2020-11-10 | Matthew E. MONAGHAN | Porous metal implants with bone cement |
US9011458B2 (en) * | 2012-06-29 | 2015-04-21 | Depuy (Ireland) | Surgical instrument and method of disassembling a tibial prosthesis |
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2015
- 2015-03-24 JP JP2016559287A patent/JP6742913B2/ja active Active
- 2015-03-24 AU AU2015237852A patent/AU2015237852B2/en active Active
- 2015-03-24 WO PCT/IB2015/052142 patent/WO2015145348A1/en active Application Filing
- 2015-03-24 ES ES15715454T patent/ES2858629T3/es active Active
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ES2858629T3 (es) | 2021-09-30 |
US20180008416A1 (en) | 2018-01-11 |
EP3122291A1 (en) | 2017-02-01 |
AU2015237852A1 (en) | 2016-10-06 |
AU2015237852B2 (en) | 2018-11-15 |
EP3122291B1 (en) | 2021-01-27 |
JP2017508562A (ja) | 2017-03-30 |
WO2015145348A1 (en) | 2015-10-01 |
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