JP2005296450A - 生体用多孔質体の製造方法 - Google Patents
生体用多孔質体の製造方法 Download PDFInfo
- Publication number
- JP2005296450A JP2005296450A JP2004119185A JP2004119185A JP2005296450A JP 2005296450 A JP2005296450 A JP 2005296450A JP 2004119185 A JP2004119185 A JP 2004119185A JP 2004119185 A JP2004119185 A JP 2004119185A JP 2005296450 A JP2005296450 A JP 2005296450A
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- JP
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- Prior art keywords
- plate
- porous body
- living body
- wire
- metal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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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
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- 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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- 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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/002—Manufacture of articles essentially made from metallic fibres
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
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- 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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00389—The prosthesis being coated or covered with a particular material
- A61F2310/00592—Coating or prosthesis-covering structure made of ceramics or of ceramic-like compounds
- A61F2310/00796—Coating or prosthesis-covering structure made of a phosphorus-containing compound, e.g. hydroxy(l)apatite
-
- 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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00389—The prosthesis being coated or covered with a particular material
- A61F2310/00592—Coating or prosthesis-covering structure made of ceramics or of ceramic-like compounds
- A61F2310/00856—Coating or prosthesis-covering structure made of compounds based on metal nitrides
- A61F2310/0088—Coating made of titanium nitride
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- Oral & Maxillofacial Surgery (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Dermatology (AREA)
- Manufacturing & Machinery (AREA)
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- Epidemiology (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
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- Materials Engineering (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Cardiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Materials For Medical Uses (AREA)
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Abstract
【解決手段】 生体用金属材料からなる多数の金属線状体を平面に沿って分散且つ交絡させることにより、板状細線群を形成する板状細線群形成工程と、前記板状細線群を所定の厚みとなるように圧縮する圧縮工程と、圧縮された前記板状細線群を焼結する焼結工程とを備える生体用多孔質体の製造方法である。
【選択図】 図1
Description
Claims (7)
- 生体用金属材料からなる多数の金属線状体を平面に沿って分散且つ交絡させることにより、板状細線群を形成する板状細線群形成工程と、
前記板状細線群を所定の厚みとなるように圧縮する圧縮工程と、
圧縮された前記板状細線群を焼結する焼結工程とを備える生体用多孔質体の製造方法。 - 前記圧縮工程は、複数の前記板状細線群を積層して全体が所定の厚みとなるように圧縮する請求項1に記載の生体用多孔質体の製造方法。
- 複数の前記板状細線群は、体積率が互いに異なる少なくとも2種類の前記板状細線群を含む請求項2に記載の生体用多孔質体の製造方法。
- 前記圧縮工程と前記焼結工程とを同時に行う請求項1から3のいずれかに記載の生体用多孔質体の製造方法。
- 生体用金属材料からなる多数の金属線状体を平面に沿って分散且つ交絡させることにより、板状細線群を形成する板状細線群形成工程と、
板状細線群をロール状に巻き締める巻締工程と、
巻き締められた前記板状細線群を焼結する焼結工程とを備える生体用多孔質体の製造方法。 - 前記金属線状体は、Crを26〜31質量%、Moを8〜16質量%含有し、残部がCoおよび不純物であるCo−Cr−Mo合金からなり、且つ、直径が20〜200μmである金属細線から得られる請求項1から5のいずれかに記載の生体用多孔質体の製造方法。
- 前記金属線状体は、長さが1〜1000cmである請求項1から6のいずれかに記載の生体用多孔質体の製造方法。
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US11/104,647 US7625519B2 (en) | 2004-04-14 | 2005-04-13 | Method for manufacturing biomedical porous article |
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WO2007035805A2 (en) * | 2005-09-20 | 2007-03-29 | Purdue Research Foundation | Biocompatable nanophase materials |
EP3388029A1 (en) * | 2017-04-13 | 2018-10-17 | Vito NV | Surgical implants comprising graded porous structures |
WO2018178313A1 (en) * | 2017-03-29 | 2018-10-04 | Vito Nv | Surgical implants comprising graded porous structures |
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