EP3980389A4 - Composition d'ébauche crue et matériaux à gradient fonctionnel préparés à partir de celle-ci - Google Patents

Composition d'ébauche crue et matériaux à gradient fonctionnel préparés à partir de celle-ci Download PDF

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Publication number
EP3980389A4
EP3980389A4 EP19931520.1A EP19931520A EP3980389A4 EP 3980389 A4 EP3980389 A4 EP 3980389A4 EP 19931520 A EP19931520 A EP 19931520A EP 3980389 A4 EP3980389 A4 EP 3980389A4
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EP
European Patent Office
Prior art keywords
green body
body composition
materials prepared
functional gradient
gradient materials
Prior art date
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Pending
Application number
EP19931520.1A
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German (de)
English (en)
Other versions
EP3980389A1 (fr
Inventor
Venkata Sundeep SEESALA
Santanu DHARA
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Indian Institute of Technology Kharagpur
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Indian Institute of Technology Kharagpur
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Publication of EP3980389A1 publication Critical patent/EP3980389A1/fr
Publication of EP3980389A4 publication Critical patent/EP3980389A4/fr
Pending legal-status Critical Current

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    • 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
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    • A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
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    • 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
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    • 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
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    • 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
    • A61L27/446—Composite materials, i.e. containing one material dispersed in a matrix of the same or different material having a macromolecular matrix with other specific inorganic fillers other than those covered by A61L27/443 or A61L27/46
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    • C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
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    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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    • C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
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    • C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
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    • C04B35/634—Polymers
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    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/06—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
    • C04B38/0615—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances the burned-out substance being a monolitic element having approximately the same dimensions as the final article, e.g. a porous polyurethane sheet or a prepreg obtained by bonding together resin particles
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    • 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
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    • 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
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    • A—HUMAN NECESSITIES
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    • 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
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    • A—HUMAN NECESSITIES
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    • 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
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    • A61F2/3609—Femoral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic femoral shafts
    • A61F2002/3611—Heads or epiphyseal parts of femur
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    • 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
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    • A61F2/3609—Femoral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic femoral shafts
    • A61F2002/3654—Connections of heads directly to shafts
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
    • C04B2235/602—Making the green bodies or pre-forms by moulding
    • C04B2235/6021—Extrusion moulding
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
    • C04B2235/602—Making the green bodies or pre-forms by moulding
    • C04B2235/6026—Computer aided shaping, e.g. rapid prototyping
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
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    • C04B2235/602—Making the green bodies or pre-forms by moulding
    • C04B2235/6028—Shaping around a core which is removed later
    • C—CHEMISTRY; METALLURGY
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
    • C04B2235/612—Machining
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74—Physical characteristics
    • C04B2235/77—Density
    • C04B2235/775—Products showing a density-gradient

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  • Engineering & Computer Science (AREA)
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  • Health & Medical Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Transplantation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Inorganic Chemistry (AREA)
  • Cardiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Epidemiology (AREA)
  • Composite Materials (AREA)
  • Medicinal Chemistry (AREA)
  • Dermatology (AREA)
  • Powder Metallurgy (AREA)
EP19931520.1A 2019-06-05 2019-11-04 Composition d'ébauche crue et matériaux à gradient fonctionnel préparés à partir de celle-ci Pending EP3980389A4 (fr)

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CN114129771B (zh) * 2021-11-03 2022-07-12 中国科学院上海硅酸盐研究所 仿海绵骨针微结构的柔性生物陶瓷支架及其制备方法和应用
CN114276145B (zh) * 2021-11-24 2022-09-13 吉林大学 一种异质双向梯度孔径多孔陶瓷的3d打印制备方法及装置
CN114213021B (zh) * 2021-12-23 2024-03-19 温州医科大学附属口腔医院 一种梯度仿生牙科陶瓷
CN114560696B (zh) * 2022-02-28 2023-04-14 跃美生物科技(苏州)有限公司 一种双层式种植体的制备方法
CN115054388B (zh) * 2022-07-05 2024-04-02 北京大学口腔医学院 功能引导个性仿生多孔纯钽牙种植体及其制备方法
CN115634311B (zh) * 2022-09-27 2024-07-02 润原生物科技(苏州)有限公司 一种多结构软骨修复植入物及其制备方法
US20240247385A1 (en) * 2023-01-23 2024-07-25 Sungreenh2 Pte. Ltd. Electrolyser system and method of electrode manufacture
CN116275117A (zh) * 2023-03-30 2023-06-23 吉林大学 一种孔隙结构可调的多孔人工骨制备方法及多孔人工骨

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US6344078B1 (en) * 1999-05-27 2002-02-05 Corning Incorporated Binder system for honeycomb ceramic bodies and a method for producing said honeycomb bodies
US20190016904A1 (en) * 2016-05-13 2019-01-17 NanoCore Technologies Sinterable metal paste for use in additive manufacturing

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DE10019447A1 (de) 2000-04-19 2001-10-25 Basf Ag Bindemittel für anorganische Materialpulver zur Herstellung metallischer und keramischer Formkörper
CN100419105C (zh) 2005-02-04 2008-09-17 李北 一种金属陶瓷材料及其成型工艺
WO2007121242A2 (fr) * 2006-04-11 2007-10-25 Smith & Nephew, Inc. Composite céramique-métal pour implants orthopédiques
US20100279007A1 (en) * 2007-08-14 2010-11-04 The Penn State Research Foundation 3-D Printing of near net shape products
EP2493414A2 (fr) * 2009-10-28 2012-09-05 3M Innovative Properties Company Ébauches pour implants dentaires et leur procédés de fabrication
WO2014121384A1 (fr) 2013-02-11 2014-08-14 National Research Counsil Of Canada Composite à matrice métallique et procédé de formage
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US10022792B2 (en) * 2014-11-13 2018-07-17 The Indian Institute of Technology Process of dough forming of polymer-metal blend suitable for shape forming
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US6030564A (en) * 1997-06-26 2000-02-29 Rohm And Haas Company Process for preparing green bodies
US6344078B1 (en) * 1999-05-27 2002-02-05 Corning Incorporated Binder system for honeycomb ceramic bodies and a method for producing said honeycomb bodies
US20190016904A1 (en) * 2016-05-13 2019-01-17 NanoCore Technologies Sinterable metal paste for use in additive manufacturing

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