JPH08500392A - 変性材料,該変性材料の形成法および医療機器用の抗菌性コーティング - Google Patents
変性材料,該変性材料の形成法および医療機器用の抗菌性コーティングInfo
- Publication number
- JPH08500392A JPH08500392A JP5519731A JP51973193A JPH08500392A JP H08500392 A JPH08500392 A JP H08500392A JP 5519731 A JP5519731 A JP 5519731A JP 51973193 A JP51973193 A JP 51973193A JP H08500392 A JPH08500392 A JP H08500392A
- Authority
- JP
- Japan
- Prior art keywords
- metal
- coating
- metals
- antibacterial
- deposition
- 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
Links
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Classifications
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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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/225—Oblique incidence of vaporised material on substrate
-
- 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
- A61L17/00—Materials for surgical sutures or for ligaturing blood vessels ; Materials for prostheses or catheters
- A61L17/14—Post-treatment to improve physical properties
- A61L17/145—Coating
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/16—Heavy metals; Compounds thereof
-
- 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
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Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.変性材料において、例えば、材料用の溶剤と接触した材料が、標準的な秩序 を有する結晶状態と比べて増大した率で少なくとも1つの金属を含有する原子、 イオン、分子またはクラスターを放出するのに十分な原子の無秩序によって特徴 付けられた形での1つまたはそれ以上の金属からなることを特徴とする、変性材 料。 2.粉末または箔の形である、請求項1に記載の材料。 3.コーティングの形である、請求項1に記載の材料。 4.材料が、原子の無秩序を生じるために冷時に処理される、請求項2に記載の 材料。 5.材料が、蒸着によって形成される、請求項3に記載の材料。 6.材料が、物理的物質蒸着によって形成された請求項5に記載の材料。 7.少なくとも1つの金属が抗菌性金属であり、該材料は、抗菌性金属の原子、 イオン、分子またはクラスターが支持可能なベースの上に放出されるのに十分な 原子の無秩序とともに形成される、請求項1から3までのいずれか1項に記載の 材料。 8.金属が、Ag、Au、Pt、Pd、Ir、Sn、Cu、Sb、BiおよびZ nまたはその合金または化合物からなる群から選択されている、請求項 1、4または6のいずれか1項に記載の材料。 9.金属が、Ag、AuまたはPdまたは前記金属の1またはそれ以上の合金ま たは化合物である、請求項1、4または6のいずれか1項に記載の材料。 10.1つまたはそれ以上の金属からなる変性材料を製造するための方法におい て、この方法を、標準的な秩序を有する結晶状態と比べて増大された率で、材料 用の溶剤中への金属の少なくとも1つの原子、分子またはクラスターの放出が得 られるのに十分な原子の無秩序が維持されているような程度に拡散を制限する条 件下に、材料中に原子の無秩序を生じさせるように行うことを特徴とする、変性 材料の製造法。 11.材料が、金属の1つまたはそれ以上の粉末または箔であり、原子の無秩序 を、該粉末または箔の冷間加工によって形成させる、請求項10に記載の方法。 12.粉末または箔を、原子の無秩序を維持するために、粉末または箔の再結晶 化温度以下の温度で作業する、請求項11に記載の方法。 13.材料が、ナノサイズの結晶性の粉末である、請求項12に記載の方法。 14.金属の少なくとも1つが、抗菌性金属であり、かつ材料を、抗菌性金属の 原子、イオン、分子またはクラスターが、支持可能なベースの上に放出 されるのに十分な原子の無秩序とともに形成させる、請求項12に記載の方法。 15.金属の少なくとも1つを、Ag、Au、Pt、Pd、Ir、Sn、Cu、 Sb、BiおよびZnまたは前記金属の1つまたはそれ以上の合金または化合物 からなる群から選択する、請求項12に記載の方法。 16.金属の少なくとも1つが、 Ag、AuまたはPdまたは前記金属の1ま たはそれ以上の合金または化合物である、請求項12に記載の方法。 17.金属の少なくとも1つが、銀または銀からなる合金または化合物である、 請求項12に記載の方法。 18.材料を、析出の間に拡散を制限し、引続く、焼き鈍しまたは再結晶化を制 限する条件下に蒸着によって支持体上にコーティングとして形成させる、請求項 10に記載の方法。 19.材料を、物理的蒸着によって形成させる、請求項18に記載の方法。 20.材料が、真空蒸発、スパッタリング、マグネトロンスパッタリングまたは イオンプレーティングによって支持体上に形成された金属の1つまたはそれ以上 のコーティングである、請求項19に記載の方法。 21.析出を、支持体の温度対析出される金属または 金属が鉱物の融点の比が、約0.5未満で維持されるような条件下で実施する、 請求項20に記載の方法。 22.比を、約0.3未満で維持する、請求項21に記載の方法。 23.析出を、被覆されるべき支持体上でのコーティングフラックスの入射角度 が約75゜未満であるように実施する、請求項21に記載の方法。 24.析出を、周囲ガス圧または約0.1mTを上廻る作業ガス圧でアーク蒸発 によって実施する、請求項21に記載の方法。 25.析出を、約20mTを上廻る作業ガス圧でガス散乱蒸発によって実施する 、請求項21に記載の方法。 26.析出を、約75mTを上廻る作業ガス圧でスパッタリングによって実施す る、請求項21に記載の方法。 27.析出を、約10mTを上廻る作業ガス圧でマグネトロンスパッタリングに よって実施する、請求項21に記載の方法。 28.析出を、約200mTを上廻る作業ガス圧でイオンプレーティングによっ て実施する、請求項21に記載の方法。 29.金属の少なくとも1つが抗菌性金属であり、材料を、抗菌性金属の原子、 イオン、分子またはク ラスターが支持可能なベースの上に放出されるのに十分な原子の無秩序とともに 形成させる、請求項20に記載の方法。 30.金属の少なくとも1つが抗菌性金属であり、材料を、抗菌性金属の原子、 イオン、分子またはクラスターが支持可能なベースの上に放出されるのに十分な 原子の無秩序とともに形成させる、請求項21、23または27のいずれか1項 に記載の方法。 31.複合コーティングを、原子の無秩序をマトリクス中に生じさせる第1の金 属とは異なる材料の分子の原子を用いてマトリクス中での第1の金属の同時か、 逐次的または反応性の析出によって形成させる、請求項20に記載の方法。 32.第1の金属が抗菌性金属であり、異なる材料が析出の間に作業ガス雰囲気 からマトリクス中へ反応性に析出された原子または分子である、請求項31に記 載の方法。 33.第1の金属が抗菌性金属であり、異なる材料が、不活性の生物学的適合性 の金属の酸化物、窒化物、炭化物、硼化物、硫化物およびハロゲン化物から選択 された原子または分子である、請求項31に記載の方法。 34.アルコールまたは水を基礎とする電解質と接触して使用するために意図さ れた機器の上へ抗菌性 コーティングを形成させるための方法において、コーティングが、アルコールま たは水を基礎とする電解質と接触し、局部限定された抗菌性の作用を得るのに十 分な濃度でアルコールまたは水を基礎とする電解質中へ金属イオン、原子、分子 またはクラスターの放出を維持させる、原子の無秩序を有する金属の薄膜を得る ために、抗菌性金属を含有するコーティングを、機器の表面上で蒸着によって析 出させることを特徴とする、抗菌性コーティングの形成法。 35.析出を、真空蒸発、スパッタリング、マグネトロンスパッタリングまたは イオンプレーティングから選択された物理的蒸着技術によって、析出の間の拡散 を制限し、かつ析出に引続く焼き鈍しまたは再結晶化を制限する条件下に実施す る、請求項34に記載の方法。 36.析出を、被覆されるべき表面の温度対金属の融点の比が約0.5未満で維 持されるように実施する、請求項35に記載の方法。 37.析出を、被覆されるべき医療機器の上でのコーティングフラックスの入射 角度が約75゜未満であるように実施する、請求項36に記載の方法。 38.析出を、周囲ガス圧または約0.01mTを上廻る作業ガス圧でアーク蒸 発によって実施する、請求項36または37に記載の方法。 39.析出を、約20mTの作業ガス圧でガス散乱蒸発によって実施する、請求 項36または37に記載の方法。 40.析出を、約75mTを上廻る作業ガス圧でスパッタリングによって実施す る、請求項36または37に記載の方法。 41.析出を、約10mTを上廻る作業ガス圧でマグネトロンスパッタリングに よって実施する、請求項36または37に記載の方法。 42.析出を、約200mTの作業ガス圧でイオンプレーティングによって実施 する、請求項36または37に記載の方法。 43.金属を、Ag、Au、Pt、Pd、Ir、Sn、Cu、Sb、Biおよび Znまたは前記金属の1つまたはそれ以上を含有する合金または化合物からなる 群から選択する、請求項36または37に記載の方法。 44.金属が、Ag、AuまたはPdまたは前記金属1つまたはそれ以上を含有 する合金または化合物である、請求項36または37に記載の方法。 45.医療機器の表面上に抗菌性コーティングを有する、アルコールまたは水を 基礎とする電解質と接触して使用するために意図された医療機器において、医療 機器が実質的に生物不活性の構造の材料から形成され;および抗菌性コーティン グが医療 機器の表面上に形成され、この場合、記載されたコーティングが1つまたはそれ 以上の抗菌性金属から形成され、かつコーティングが、アルコールまたは水を基 礎とする電解質と接触して、局部限定された抗菌性の作用を得るのに十分な濃度 でアルコールまたは水を基礎とする電解質中へ金属イオン、原子、分子またはク ラスターの放出を維持させるのに十分な原子の無秩序を有することを特徴とする 、アルコールまたは水を基礎とする電解質と接触して使用するために意図された 医療機器。 46.析出が、真空蒸発、スパッタリング、マグネトロンスパッタリングまたは イオンプレーティングから選択された物理的蒸着技術によって実施される、請求 項45に記載の医療機器。 47.金属が、Ag、Au、Pt、Pd、Ir、Sn、Cu、Sb、Biおよび Znまたは前記金属の1つまたはそれ以上を含有する合金または化合物からなる 群から選択されている、請求項46に記載の医療機器。 48.金属が、Ag、AuまたはPdまたは前記金属の1つまたはそれ以上を含 有する合金または化合物である、請求46に記載の医療機器。 49.請求項6に記載の材料において、コーティングが、第1の金属とは異なる 材料の原子または分子を含有するマトリクス中で放出されるべき金属で ある少なくとも1つの第1の金属、マトリクス中で原子の無秩序を生じさせる異 なる材料の原子または分子から形成された複合コーティングである、請求項6に 記載の材料。 50.異なる材料が、第1の金属または金属化合物の反応種;酸素、窒素、水素 、硼素、硫黄およびハロゲン原子の吸着したかまたはトラップした原子または分 子;および第2の金属から選択されている、請求項49に記載の材料。 51.第1の金属が抗菌性金属であり、異なる材料が、抗菌性かまたは第2の金 属の酸化物、窒化物、水素化物、ハロゲン化物、硼化物および炭化物;酸素、窒 素、水素、硼素、硫黄およびハロゲン原子を包含する吸着したかまたはトラップ した原子または分子から選択されている、請求項49に記載の材料。 52.第1の金属が抗菌性金属であり、異なる材料が、Ta、Ti、Nb、V、 Hf、Zn、Mo、SiおよびAlから選択された不活性金属の酸化物、窒化物 、硼化物、硫化物、ハロゲン化物または水素化物である、請求項49に記載の材 料。 53.銀酸化物、銀金属および場合によっては酸素、窒素、水素、硼素、硫黄お よびハロゲン原子を包含する吸着したかまたはトラップした原子または分子から なる、請求項49に記載の材料。 54.請求項18に記載の方法において、変性材料が、原子の無秩序をマトリク ス中に生じさせる第1の金属とは異なる材料の分子の原子を用いてマトリクス中 での第1の金属の同時か、逐次的または反応性の析出によって形成させた複合コ ーティングである、請求項18に記載の方法。 55.第1の金属が抗菌性金属であり、異なる材料を、蒸着の雰囲気からマトリ ックス中に吸着されたかまたはトラップされた酸素、窒素、水素、硼素、硫黄お よびハロゲン原子を包含する原子または分子から選択する、請求項53に記載の 方法。 56.第1の金属が銀であり、異なる材料を、酸素、窒素、水素、硼素、硫黄お よびハロゲン原子を包含する原子または分子から選択する、請求項54に記載の 方法。 57.第1の金属が抗菌性金属であり、異なる材料が、Ta、Ti、Nb、V、 Hf、Zn、Mo、SiおよびAlから選択された不活性金属の酸化物、窒化物 、炭化物、硼化物、ハロゲン化物、硫化物または水素化物である、請求項55に 記載の方法。 58.第1の金属が銀であり、異なる材料がTa、TiまたはNbの酸化物であ る、請求項57に記載の方法。
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| US88575892A | 1992-05-19 | 1992-05-19 | |
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| US07/885,758 | 1992-05-19 | ||
| US057,968 | 1993-05-07 | ||
| US08/057,968 US5681575A (en) | 1992-05-19 | 1993-05-07 | Anti-microbial coating for medical devices |
| US08/057,968 | 1993-05-07 | ||
| PCT/CA1993/000201 WO1993023092A1 (en) | 1992-05-19 | 1993-05-19 | Anti-microbial coating for medical devices |
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| JPH08500392A true JPH08500392A (ja) | 1996-01-16 |
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1993
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- 1993-05-18 IL IL105726A patent/IL105726A/en not_active IP Right Cessation
- 1993-05-18 MX MX9302877A patent/MX9302877A/es unknown
- 1993-05-18 CN CN93107703A patent/CN1066783C/zh not_active Expired - Lifetime
- 1993-05-19 WO PCT/CA1993/000201 patent/WO1993023092A1/en not_active Ceased
- 1993-05-19 KR KR1019940704191A patent/KR950701534A/ko not_active Withdrawn
- 1993-05-19 AT AT93909715T patent/ATE169829T1/de not_active IP Right Cessation
- 1993-05-19 DK DK93909715T patent/DK0641224T3/da active
- 1993-05-19 BR BR9306613A patent/BR9306613A/pt not_active Application Discontinuation
- 1993-05-19 JP JP5519731A patent/JP2947934B2/ja not_active Expired - Lifetime
- 1993-05-19 NZ NZ252076A patent/NZ252076A/en not_active IP Right Cessation
- 1993-05-19 UA UA94119049A patent/UA42690C2/uk unknown
- 1993-05-19 AU AU40558/93A patent/AU673170B2/en not_active Expired
- 1993-05-19 MD MD96-0295A patent/MD1728C2/ro unknown
- 1993-05-19 ES ES93909715T patent/ES2119899T3/es not_active Expired - Lifetime
- 1993-05-19 CA CA002134217A patent/CA2134217C/en not_active Expired - Lifetime
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- 1993-05-19 DE DE69320472T patent/DE69320472T2/de not_active Expired - Lifetime
- 1993-05-19 EP EP93909715A patent/EP0641224B1/en not_active Expired - Lifetime
- 1993-05-19 RU RU94046003A patent/RU2131269C1/ru active
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1994
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