JPS59500501A - 生物活性材料より成る人工補整器または人工補整器部材について生物不活性部分領域を製造する方法並びにそれから製造される人工補整器 - Google Patents
生物活性材料より成る人工補整器または人工補整器部材について生物不活性部分領域を製造する方法並びにそれから製造される人工補整器Info
- Publication number
- JPS59500501A JPS59500501A JP58501047A JP50104783A JPS59500501A JP S59500501 A JPS59500501 A JP S59500501A JP 58501047 A JP58501047 A JP 58501047A JP 50104783 A JP50104783 A JP 50104783A JP S59500501 A JPS59500501 A JP S59500501A
- Authority
- JP
- Japan
- Prior art keywords
- artificial
- prosthetic
- bioinert
- layer
- corrector
- 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.)
- Pending
Links
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- 238000000034 method Methods 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 239000000126 substance Substances 0.000 claims description 13
- 239000011521 glass Substances 0.000 claims description 11
- 239000011241 protective layer Substances 0.000 claims description 7
- 239000005312 bioglass Substances 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 4
- 230000002378 acidificating effect Effects 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
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- 239000011248 coating agent Substances 0.000 claims 3
- 238000000151 deposition Methods 0.000 claims 3
- 230000008021 deposition Effects 0.000 claims 3
- 238000007654 immersion Methods 0.000 claims 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims 2
- 239000007864 aqueous solution Substances 0.000 claims 2
- 238000010438 heat treatment Methods 0.000 claims 2
- 150000002739 metals Chemical group 0.000 claims 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims 2
- 239000012266 salt solution Substances 0.000 claims 2
- 239000000243 solution Substances 0.000 claims 2
- 238000005507 spraying Methods 0.000 claims 2
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 claims 2
- 229910052580 B4C Inorganic materials 0.000 claims 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 101710094892 Furin-1 Proteins 0.000 claims 1
- 229910052581 Si3N4 Inorganic materials 0.000 claims 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims 1
- 239000008351 acetate buffer Substances 0.000 claims 1
- 239000000956 alloy Substances 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 claims 1
- -1 boron carbide Carbon compounds Chemical class 0.000 claims 1
- 150000001721 carbon Chemical class 0.000 claims 1
- 210000003298 dental enamel Anatomy 0.000 claims 1
- 238000009713 electroplating Methods 0.000 claims 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910002804 graphite Inorganic materials 0.000 claims 1
- 239000010439 graphite Substances 0.000 claims 1
- 150000002484 inorganic compounds Chemical class 0.000 claims 1
- 229910010272 inorganic material Inorganic materials 0.000 claims 1
- 239000003960 organic solvent Substances 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims 1
- 229910052697 platinum Inorganic materials 0.000 claims 1
- 235000019353 potassium silicate Nutrition 0.000 claims 1
- 239000002296 pyrolytic carbon Substances 0.000 claims 1
- 229910000077 silane Inorganic materials 0.000 claims 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims 1
- 238000004544 sputter deposition Methods 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- 239000010936 titanium Substances 0.000 claims 1
- 239000004408 titanium dioxide Substances 0.000 claims 1
- 238000007738 vacuum evaporation Methods 0.000 claims 1
- 238000007740 vapor deposition Methods 0.000 claims 1
- 235000021419 vinegar Nutrition 0.000 claims 1
- 239000000052 vinegar Substances 0.000 claims 1
- 238000004017 vitrification Methods 0.000 claims 1
- 229910052845 zircon Inorganic materials 0.000 claims 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 claims 1
- 239000007943 implant Substances 0.000 description 9
- 229910052586 apatite Inorganic materials 0.000 description 7
- 210000000988 bone and bone Anatomy 0.000 description 7
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 description 6
- 239000002609 medium Substances 0.000 description 5
- 210000001519 tissue Anatomy 0.000 description 5
- 239000002241 glass-ceramic Substances 0.000 description 4
- 238000005342 ion exchange Methods 0.000 description 4
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 150000001342 alkaline earth metals Chemical class 0.000 description 2
- 239000012736 aqueous medium Substances 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 210000004872 soft tissue Anatomy 0.000 description 2
- 206010003497 Asphyxia Diseases 0.000 description 1
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 230000023555 blood coagulation Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000000316 bone substitute Substances 0.000 description 1
- 210000000845 cartilage Anatomy 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 210000002808 connective tissue Anatomy 0.000 description 1
- 239000006112 glass ceramic composition Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 210000000492 nasalseptum Anatomy 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 208000037804 stenosis Diseases 0.000 description 1
- 230000036262 stenosis Effects 0.000 description 1
- 230000001732 thrombotic effect Effects 0.000 description 1
Classifications
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- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
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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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- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
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- 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
- A61F2310/0073—Coating or prosthesis-covering structure made of compounds based on metal carbides
- A61F2310/00742—Coating made of silicon carbide
-
- 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
- A61F2310/0073—Coating or prosthesis-covering structure made of compounds based on metal carbides
- A61F2310/00748—Coating made of titanium carbide
-
- 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
- A61F2310/00874—Coating made of silicon nitride
-
- 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
-
- 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
- A61F2310/00928—Coating or prosthesis-covering structure made of glass or of glass-containing compounds, e.g. of bioglass
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Metallurgy (AREA)
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- Orthopedic Medicine & Surgery (AREA)
- Cardiology (AREA)
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- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Ceramic Engineering (AREA)
- Materials For Medical Uses (AREA)
- Prostheses (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるため要約のデータは記録されません。
Description
【発明の詳細な説明】
生物活性材料より成る人工補整器また
は人工補整器部材について生物不活性
部分領域と製造する方法並びにそ几か
ら製造される人工補整器
本発明は、そ几自体が生物活性材料より成る人工補整器また(は人工補整器部材
について生物不活性(生物不活発)部分領域を製造する方法並びにと几に従って
製造さn、た人工補整器並びに人工補整器部材(C関する。
内移植用材料の相容性は内移植場所、即ち内移植物質の為の貯蔵組織の種類に依
存している。代用血管の内移植物質は、その表面により血栓効果を生じないとい
う性質を有していなけ几ばならない。何故ならば、さもないと血液の凝結が当該
表面域で始まるからである。軟質の組織代用品としての内移植物質の場合には、
塑性であることが特に重要である○骨代用品としての内移植物質用材料の場合に
は、勿論、その材料の機械的強度および骨貯蔵組織への結合の質が主に重要であ
る。
しかしながら人間の体に内移植物質を移植する場合にぽ、唯一の種類の組織だけ
に接触するのぼまnである。多くの場合、内移植物質は軟質組織にも境を接して
いる。生物活性の性質は内移植物質用材料の特別な化学的組成によって得ら几る
ので、他の組織中へ移植するのに(鍵かXる材料は特に有利ではない。例えば、
生物活性材料より成る人工補整器を内移植することが生物不活性の材料よりも軟
質組織中で著しく敏感な反応を惹起すことが観察さ几得る。
そ几故に本発明は、生物活性材料より成る人工補整器の場合に、生物活性の性質
が要求さ几てない該人工補整器表面を不活性化することを課題としているO
この課題は特許請求の範囲第1,2および8項によって解決さ几る。別の実施形
態は他の従属請求項に開示しである。
図面には、反応力学的交換が本発明の実物モデル並びに実施例として概略図で示
gnでいる。
第1図は、体内において水性の攻撃媒体に膜さ几ているバイオ・ガラス・セラミ
ック製人工補整器の一部分を示している;
第2図に化学的攻撃後の第1図に示した部分(−残余−バイオ・ガラス・セラミ
ック〃)ヲ示している;
第3図はスウプラ構造(5uprastruktur ) k有し(3)
でいない歯根移植物質を示している;
第4図は削減層を有している円筒状内移植物質片を示している。
第1図には、ガラスマトリクス2中に充填さ几た不連続の結晶リン灰石粒子3を
有しているバイオ・ガラス・セラミック材料lが示さ几ており、該リン灰石粒子
は超顕微鏡的拡大域において特有の放射線状集合体として認めることができる。
表面4を酸性の水性媒体5にさらす場合には、リン灰石3が媒体5の影響領域に
おいて完全に溶解さ几てしまう化学的攻撃が結晶質リン灰石相3上に目的通り行
なわ几る。同時に、ガラス・マトリクス2の易動性陽イオン−特にアルカリ金属
−(Me −)およびアルカリ土類金属−(Me)イオン−と媒体5中に存在す
るHおよびH2O−陽イオンとの間のイオン交換反応並びに場合によってば1価
−および2価のイオン(アルカリ類、アルカリ土類金属類)のイオン交換反応が
バイオ・ガラス・セラミックlの方向に進行する。
リン灰石相3への化学的攻撃の速度にこの場合、イオン交換反応のそ2″I−よ
りも迅速であるべきであり、その結果リン灰石不含で重要するに、生物不活性化
さ几−且つそ几故にN生物不活性層の表面(こnll我々気気残余バイオ・ガラ
ス・セラミックI一層と称する)が得ら几る。
この場合イオン交換−あるいは攻撃媒体5ば、イオン交換に対して或いは平行し
て進行するガラス相2への化学的攻撃のある場合に(は、イオン交換が依然とし
て反応決定手段である様に選択するのが合目的であり、そ几故に交換反応がガラ
ス表面4への攻撃より迅速に進行する。
反応速度および一機構にとって(ば、例えばドイツ特許第2326100号明細
書に詳細に記載さ几ている如きいわゆるバイオ・ガラス・セラミックの場合には
、媒体の種類、濃度、pH−値、時間および温度の如き化学的方法パラメーター
が重要である。
例えば0.25〜5μmの厚さの5i02層(仰、5分〜3時間0.1〜0.0
旧規定の塩酸溶液中で室温乃至沸点の温度のもとで処理することによってバイオ
・セラミック表面領域に得ることができる。
そのほかに同様な生物不活性の類似の層を、上述の調整パラメーターの顧慮下に
多くの酸性の水性−1有機−または無機溶液、そ几らの緩衝化−″!、た(は中
和溶液中で処理することによって得ることができる。
(5)
第3図にid、iつの例として、あごの骨組織7と直接的に接触した表面領域8
において1生物活性”の品質的に価値ある性質が有効になる、生物活性材料より
成る歯根移植物質6が示しである。こnに対して、歯肉9の為に合目的に設けら
几た絞窄域10並びにスーブラ構造11の為に示さfした、内移植物の別の部分
12においては、生物不活性化が望’Inる。
−純図形の型筒4図は他の1つの例を示している。不完全な骨格−この場合には
骨13− を円筒状の人工補整器中間片14によって1)修理する〃ヘキ場合に
は、本来の各骨接触面−およびこの面だけ−に緊密な癒着が望ま几る。即ち、こ
几に対して金属面16に本発明の生物不活性保護層を塗布さ几ている。第4図に
ばこ几が削減層5(−)として示さn、でおり、一方第3図には生物不活性層が
付加的保護層5(−1−)として示さ几ている。
本発明の方法は、削減的転換層(残余−バイオ・ガラス・セラミック)S←)の
製造に関する限り、あらゆるバイオ・ガラス・セラミック製内移植物質について
用いることができそしてバイオ・ガラスより成るぞnについても変形した形で用
いることができる○
(6)
開示した付加的被覆法はバイオ・ガラス・セラミックー捷たはバイオ・ガラス材
料の他に公知の他のあらゆる生物相容性内移植用材料についても用いることがで
きる。
この様に処理できる人工補整器の選択に関してば、原則として制限がない。例え
ば、関節代用品−1頭蓋頂−および鼻中隔−人工補整器並びにま:を人間の骨−
1軟骨−1結合組織−および体液系の部分的領域が共に含″If、n、得る。
引用数字および一記号の一覧表
■−バイオ・ガラス・セラミック材料
2−バイオ・ガラス・セラミックのガラスマトリクス
3−リン灰石粒子
4−(1)の表面
5−酸性の水性媒体
6−歯根
7−あごの骨組織
8−骨組織への接触面
9−歯肉
l〇−絞窄域
11−スーブラ構造
12−上部
13−骨(骨格部分)
14−人工補整器中間片
15−骨組織への接触面
16−金属面
S(ト))−生物不活性化した付加的保護層S←)−生物不活性化した削減的保
護層国際調査報告
Claims (1)
- 【特許請求の範囲】 1、 生物活性材料より成る人工補整器について生物不活性化表面部分域を製造 するに当って、この人工補整器の部分的領域を、付加的に塗布さ几、永続的に定 着され、体内で生物化学的遮断層として作用する少なくとも1つの生物不活性保 護層(S(ト))を造る為に意図的物質供給下に表面−後処理に委ねることに% 徴とする、上記生物不活性化表面部分領域の製造方法。 2、 生物活性材料より成る人工補整器について生物不活性化表面部分域を製造 するに当って、この人工補整器の部分的領域?、削減的に得ら几、永久的に固定 さ几、体内で生物化学的遮断層として作用する少なくともlの生物不活性の転換 (浸出)層(S←))を造る為に、意図的な物質搬出あるいは物質交換のもとて 化学的後処理に委ねることを特徴とする、上記生物不活性の表面部分域の製造方 法。 3、 保護層と少なくとも1つの次の手段によって有利に塗布する: a)電気メッキまたに蒸着; b)スパッタリング; (2) C)有機溶剤からの析出または真空蒸着;d)後続の熱処理?伴なう浸漬、噴霧 または散布;e)約400℃への続いて加熱を伴なう水ガラス中への浸漬あるい は一成分一または多成分−溶融混合物での浸漬ガラス化処理; f)後続の酸化処理を伴なう金属の偽蒸着寸たは蒸着 特許請求の範囲第1項記載の方法。 4、 保護するべき人工補整器部分と酸性水溶液または0.001〜O1規定の 塩水溶液で20〜100℃の温度のもとて5分〜3時間処理する特許請求の範囲 第2項記載の方法。 5、酸性水溶液として0.1−0.0OL規定の塩酸(HCZ)水溶液を用いる 特許請求の範囲第4項記載の方法。 6、 塩水溶液として0.001〜0,25規定の標準−酢酸塩緩衝溶液を用い る特許請求の範囲第4項記載の方法0 7、人工補整器の被覆した部分を続いて熱的シーリング処理および/またはシラ ン化処理に委ねる特許請求の範囲第2項記載の方法。 8、 少なくとも表面部分域に不溶性の生物不活性物質を含有することを特徴と する、生物活性材料よ(3) り成る1片−または多数片人工補整器。 9、 不溶性の生物不活性物質より成る被覆物を部分的に有している特許請求の 範囲第8項記載の人工補整器。 10、被覆物が、0.25〜10μm 、殊に1〜5μmの厚さを有する付加的 に塗布さfした少なくとも1つの保護層(S(−1−3)より成る特許請求の範 囲第9項記載の人工補整器。 11、被覆物が0.25〜5μm1殊に1〜3μmの厚さを有する削減的に得ら 几る少なくとも1つの転換層(S(へ))で構成さ几ている特許請求の範囲第9 項記載の人工補整器。 12、被覆物が人工補整器表面で得ら几る少なくとも1つの転換層(S(→)と 該層の上に設けら几る付加的に塗布さ几た少なくとも1つの保護層(S(1)) とより構成さ几ている特許請求の範囲第9〜11項のいずn、力・1つに記載の 人工補整器。 13 生物不活性物質あるいは生物不活性層が以下の物質の少なくとも1種より 成る: a)金、白金、チタンの如き金属並びに合金;b)熱分解炭素(グラファイト) の如き適当な変態の炭素;炭化珪素(SiC)、炭化チタン(TiC)、炭化硼 素CB4C)の如き炭素化合物;C)六方晶系の窒化硼素(BN)、窒化チタン (TiN)、窒化珪素(5j3N4)の如き特別なセラミック材料;d)エナメ ルの如き部分結晶性の無機コンパウンド系; e)無機系の一成分系ガラス(例えばフリンl−−ガラス)または多成分系ガラ ス; f)二酸化チタン(T]02)、二酸化ジルコン(ZrO2)および酸化アルミ ニウム(AJ!、203)の如き酸化物:特許請求の範囲第9.IOおよび12 項の少なくとも1つに記載の人工補整器。 14、生物不活性物質あるいは生物不活性層が、場合によっては追加的にシラン 層を有しているリン灰石不含の残余・バイオガラス・セラミックあるいは一バイ オ・セラミックあるい(・1−バイオガラスより成る特許請求の範囲第8 、9 、11および12項の少なくとも1つに記載の人工補整器。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19823211210 DE3211210A1 (de) | 1982-03-26 | 1982-03-26 | Verfahren zur herstellung bioinaktiver teilbereiche von aus bioaktiven materialien bestehenden prothesen oder prothesenteilen sowie daraus hergestellte prothesen |
DE32112106FR | 1982-03-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS59500501A true JPS59500501A (ja) | 1984-03-29 |
Family
ID=6159408
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58501047A Pending JPS59500501A (ja) | 1982-03-26 | 1983-03-19 | 生物活性材料より成る人工補整器または人工補整器部材について生物不活性部分領域を製造する方法並びにそれから製造される人工補整器 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0104186B1 (ja) |
JP (1) | JPS59500501A (ja) |
DE (2) | DE3211210A1 (ja) |
IT (1) | IT1193424B (ja) |
WO (1) | WO1983003346A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4106971C1 (ja) * | 1991-03-05 | 1992-03-19 | Eska Medical Luebeck Medizintechnik Gmbh & Co, 2400 Luebeck, De | |
FR2681235B1 (fr) * | 1991-09-13 | 1993-11-12 | Itac Var Implant | Materiel d'osteosynthese a face de contact osseux recouverte par un revetement de surface. |
FR2707552B1 (fr) * | 1993-06-30 | 1995-10-13 | Aerospatiale | Procédé de fabrication d'une pièce en matériau composite composée, d'un corps central et d'ailerons et corps de missile ainsi obtenu. |
NL1004207C2 (nl) * | 1996-10-04 | 1998-04-07 | Accis B V | Gewrichtsprothese. |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3919723A (en) * | 1974-05-20 | 1975-11-18 | Friedrichsfeld Gmbh | Bone shaft or bone joint prosthesis and process |
DD133518B1 (de) * | 1977-12-14 | 1983-08-31 | Horst Hampel | Beschichtetes Implantat |
-
1982
- 1982-03-26 DE DE19823211210 patent/DE3211210A1/de not_active Withdrawn
-
1983
- 1983-03-19 EP EP83900906A patent/EP0104186B1/de not_active Expired
- 1983-03-19 WO PCT/DE1983/000050 patent/WO1983003346A1/en active IP Right Grant
- 1983-03-19 DE DE8383900906T patent/DE3360959D1/de not_active Expired
- 1983-03-19 JP JP58501047A patent/JPS59500501A/ja active Pending
- 1983-03-25 IT IT67333/83A patent/IT1193424B/it active
Also Published As
Publication number | Publication date |
---|---|
IT1193424B (it) | 1988-06-22 |
DE3211210A1 (de) | 1983-10-06 |
EP0104186B1 (de) | 1985-10-09 |
WO1983003346A1 (en) | 1983-10-13 |
IT8367333A0 (it) | 1983-03-25 |
DE3360959D1 (en) | 1985-11-14 |
EP0104186A1 (de) | 1984-04-04 |
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