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)
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EP3980389A1 (fr
Inventor
Venkata Sundeep SEESALA
Santanu DHARA
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Indian Institute of Technology Kharagpur
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Indian Institute of Technology Kharagpur
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Application filed by Indian Institute of Technology Kharagpur filed Critical Indian Institute of Technology Kharagpur
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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    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/30767Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
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    • A61FFILTERS 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
    • A61F2/00Filters 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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    • A61F2/3094Designing or manufacturing processes
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    • A61L27/446Composite 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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    • C04B35/622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63Preparing 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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    • C04B35/626Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63Preparing 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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    • C04B38/0615Porous 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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    • A61F2/00Filters 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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    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
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    • A61F2/00Filters 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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    • A61F2/00Filters 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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    • A61F2/36Femoral heads ; Femoral endoprostheses
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    • A61F2002/3611Heads or epiphyseal parts of femur
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    • A61F2/00Filters 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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    • A61F2/30Joints
    • A61F2/32Joints for the hip
    • A61F2/36Femoral heads ; Femoral endoprostheses
    • A61F2/3609Femoral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic femoral shafts
    • A61F2002/3654Connections of heads directly to shafts
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    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74Physical characteristics
    • C04B2235/77Density
    • C04B2235/775Products showing a density-gradient

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  • Engineering & Computer Science (AREA)
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  • Health & Medical Sciences (AREA)
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  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
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  • Organic Chemistry (AREA)
  • Orthopedic Medicine & Surgery (AREA)
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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
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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
EP2954083B1 (fr) 2013-02-11 2019-08-28 National Research Council of Canada Composite à matrice métallique et procédé de formage
CN104057089A (zh) 2013-03-20 2014-09-24 江苏天一超细金属粉末有限公司 制造金属、陶瓷制品的金属、陶瓷粉末与聚合物混融物及聚合物从成型品中酸催化脱除方法
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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See also references of WO2020245645A1 *

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