JP2013510683A - 制御された無作為性の多孔性構造およびそれを作製する方法 - Google Patents
制御された無作為性の多孔性構造およびそれを作製する方法 Download PDFInfo
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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
- A61L27/50—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
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/80—Data acquisition or data processing
- B22F10/85—Data acquisition or data processing for controlling or regulating additive manufacturing processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
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- G—PHYSICS
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- G06F30/00—Computer-aided design [CAD]
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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
- A61L2420/00—Materials or methods for coatings medical devices
- A61L2420/02—Methods for coating medical devices
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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
- A61L2430/02—Materials or treatment for tissue regeneration for reconstruction of bones; weight-bearing implants
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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
- A61L27/28—Materials for coating prostheses
- A61L27/30—Inorganic materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
Abstract
Description
102 外側境界
104 内側容積
106、108、110 外側シード点
112 内側シード点
1000、1100 容積、支柱
1202 凸包
1204 構造線、支柱、支柱直線、直線
1206 冗長直線
1702、1802、1902 タイル、容積
Claims (14)
- 多孔性構造を製作するための方法であって、
外側境界と内側容積とを有する三次元空間を画定するステップと、
外側境界に沿って複数の外側空間座標を配置するステップと、
内側容積内に複数の内側空間座標を配置するステップと、
前記複数の外側空間座標および前記複数の内側空間座標のうちの1つからの少なくとも1つの空間座標を移動させるステップと、
三次元空間の容積を、外側および内側空間座標のうちで分割するステップと、
分割された前記容積の一部分の境界を、1つまたは複数の支柱と1つまたは複数の結節点とで画定して足場を形成するステップであって、それぞれの支柱が、第1端と、第2端と、それぞれの支柱についての第1端と第2端との間の連続伸長体とを有し、それぞれの結節点が、少なくとも2つの支柱の交点であるステップと、
1つまたは複数の支柱について少なくとも1つの太さおよび少なくとも1つの形状を選択するステップと
を含む、多孔性構造のモデルを創出するステップと、
可融性材料をエネルギー源に曝露することにより、モデルに従って多孔性構造を製作するステップと
を含む方法。 - 既に無作為化された内側および外側座標を有する第1三次元空間の複製である第2三次元空間を提供するステップをさらに含む、請求項1に記載の方法。
- 前記複数の外側空間座標および前記複数の内側空間座標のうちの1つからの少なくとも1つの空間座標を移動させるステップが、前記少なくとも1つの空間座標を、無作為方向に有限距離だけ移動させることを含み、予め決定された無作為化限界内で行われる、請求項1に記載の方法。
- 1つまたは複数の空間座標の予め決定された無作為化限界が、1つの他の空間座標の位置に少なくとも基づく、請求項3に記載の方法。
- 他の空間座標が、前記1つまたは複数の空間座標の最近傍である、請求項4に記載の方法。
- 前記複数の外側空間座標および前記複数の内側空間座標のうちの1つからの少なくとも1つの空間座標を移動させるステップが、予め決定された無作為化限界内で行われ、1つの三次元空間の無作為化された1つまたは複数の外側空間座標が、第2三次元空間上の1つまたは複数の外側空間座標のそれぞれとマッチする、請求項1に記載の方法。
- ボロノイ分割を、無作為化された内側および外側空間座標に適用して、全ての内側および外側空間座標の間で空間を分割するステップをさらに含む、請求項1に記載の方法。
- それぞれの支柱が、
第1端と、
第2端と、
太さおよび長さを有する前記第1端と第2端との間の連続伸長体と
を有する複数の支柱と、
それぞれの結節点が、少なくとも2つの支柱の交点を含む複数の結節点と
を含む多孔性構造であって、
前記複数の支柱および結節点が、画定された容積の複数の空間座標の間で空間を分割することにより創出されるモデルから形成され、前記複数の空間座標が、予め決定された無作為化限界に従って無作為方向に無作為有限距離だけ移動された、多孔性構造。 - 前記複数の空間座標が、前記画定された容積の境界に沿って配置された複数の外側空間座標と、前記画定された容積の内部に配置された複数の内側空間座標とを含む、請求項8に記載の多孔性構造。
- 無作為化された空間座標の前記画定された容積が、複数のタイルを含み、それぞれのタイルが、予め決定された無作為化限界に従って無作為化された複数の空間座標を有する三次元空間を含む、請求項8に記載の多孔性構造。
- 前記複数のタイルが、互いに実質的に同一である、請求項10に記載の多孔性構造。
- 前記複数のタイルの一部分が、実質的に継ぎ目なく一緒に接合されている、請求項10に記載の多孔性構造。
- 1つまたは複数の空間座標の予め決定された無作為化限界が、1つの他の空間座標の位置に少なくとも基づく、請求項8に記載の多孔性構造。
- 予め決定された無作為化限界が、1つまたは複数の空間座標に当てはめられ、前記予め決定された無作為化限界が、前記1つまたは複数の空間座標を包囲する画定された空間内に前記1つまたは複数の空間座標の無作為の移動を制限する、請求項8に記載の多孔性構造。
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US26081109P | 2009-11-12 | 2009-11-12 | |
US61/260,811 | 2009-11-12 | ||
PCT/US2010/056602 WO2011060312A2 (en) | 2009-11-12 | 2010-11-12 | Controlled randomized porous structures and methods for making same |
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JP2016029928A Pending JP2016120322A (ja) | 2009-11-12 | 2016-02-19 | 制御された無作為性の多孔性構造 |
JP2017213875A Withdrawn JP2018038848A (ja) | 2009-11-12 | 2017-11-06 | 制御された無作為性の多孔性構造 |
JP2019054635A Pending JP2019115724A (ja) | 2009-11-12 | 2019-03-22 | 制御された無作為性の多孔質構造体 |
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JP2017213875A Withdrawn JP2018038848A (ja) | 2009-11-12 | 2017-11-06 | 制御された無作為性の多孔性構造 |
JP2019054635A Pending JP2019115724A (ja) | 2009-11-12 | 2019-03-22 | 制御された無作為性の多孔質構造体 |
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KR (1) | KR101869106B1 (ja) |
CN (1) | CN102686250B (ja) |
AU (1) | AU2010319306B2 (ja) |
BR (1) | BR112012011406A2 (ja) |
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CN102686250B (zh) | 2014-09-17 |
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JP2016120322A (ja) | 2016-07-07 |
US20190038810A1 (en) | 2019-02-07 |
AU2010319306B2 (en) | 2015-08-27 |
US20200129670A1 (en) | 2020-04-30 |
CN102686250A (zh) | 2012-09-19 |
US20210338901A1 (en) | 2021-11-04 |
JP5960057B2 (ja) | 2016-08-02 |
EP2498831A2 (en) | 2012-09-19 |
BR112012011406A2 (pt) | 2016-05-03 |
US20210338899A1 (en) | 2021-11-04 |
EP2498831B8 (en) | 2020-03-04 |
RU2012123217A (ru) | 2013-12-20 |
RU2627454C2 (ru) | 2017-08-08 |
WO2011060312A3 (en) | 2011-09-29 |
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