JPH08509148A - 非酸化性高分子医療用埋め込み具 - Google Patents
非酸化性高分子医療用埋め込み具Info
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- JPH08509148A JPH08509148A JP7500438A JP50043895A JPH08509148A JP H08509148 A JPH08509148 A JP H08509148A JP 7500438 A JP7500438 A JP 7500438A JP 50043895 A JP50043895 A JP 50043895A JP H08509148 A JPH08509148 A JP H08509148A
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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
- A61L2/00—Disinfection or sterilisation of materials or objects, in general; Accessories therefor
- A61L2/02—Disinfection or sterilisation of materials or objects, in general; Accessories therefor using physical processes
- A61L2/08—Radiation
- A61L2/081—Gamma radiation
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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
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/60—Liquid-swellable gel-forming materials, e.g. super-absorbents
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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
- A61L2/00—Disinfection or sterilisation of materials or objects, in general; Accessories therefor
- A61L2/02—Disinfection or sterilisation of materials or objects, in general; Accessories therefor using physical processes
- A61L2/08—Radiation
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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
- A61L2/00—Disinfection or sterilisation of materials or objects, in general; Accessories therefor
- A61L2/02—Disinfection or sterilisation of materials or objects, in general; Accessories therefor using physical processes
- A61L2/08—Radiation
- A61L2/082—X-rays
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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
- A61L2/00—Disinfection or sterilisation of materials or objects, in general; Accessories therefor
- A61L2/02—Disinfection or sterilisation of materials or objects, in general; Accessories therefor using physical processes
- A61L2/08—Radiation
- A61L2/087—Particle radiation, e.g. electron-beam, alpha or beta radiation
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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
- A61L27/14—Macromolecular materials
- A61L27/16—Macromolecular materials obtained by reactions only involving carbon-to-carbon unsaturated bonds
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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
- A61L29/00—Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
- A61L29/04—Macromolecular materials
- A61L29/041—Macromolecular materials obtained by reactions only involving carbon-to-carbon unsaturated bonds
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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
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/04—Macromolecular materials
- A61L31/048—Macromolecular materials obtained by reactions only involving carbon-to-carbon unsaturated bonds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
- B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
- B29C2035/085—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using gamma-ray
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
- B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/16—Forging
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
- B29K2023/0658—PE, i.e. polyethylene characterised by its molecular weight
- B29K2023/0683—UHMWPE, i.e. ultra high molecular weight polyethylene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/25—Solid
- B29K2105/253—Preform
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/0087—Wear resistance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/0089—Impact strength or toughness
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/753—Medical equipment; Accessories therefor
- B29L2031/7532—Artificial members, protheses
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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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S522/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S522/915—Synthetic resins or natural rubbers -- part of the class 520 series involving inert gas, steam, nitrogen gas, or carbon dioxide
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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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S525/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S525/937—Utility as body contact e.g. implant, contact lens or I.U.D.
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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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S623/00—Prosthesis, i.e. artificial body members, parts thereof, or aids and accessories therefor
- Y10S623/901—Method of manufacturing prosthetic device
Landscapes
- Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dispersion Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Dermatology (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgery (AREA)
- Vascular Medicine (AREA)
- Transplantation (AREA)
- Hematology (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Materials For Medical Uses (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Polyesters Or Polycarbonates (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.耐酸化性に優れた材料からなる医療用高分子埋め込み具の製法において、 高分子材料から埋め込み具を成型し、 成型した埋め込み具を、酸素を減少させた雰囲気内でパッケージ内にシールし 、 前記パッケージした埋め込み具を放射線滅菌し、そして、 前記パッケージした埋め込み具を、隣接する高分子鎖のフリー・ラジカル間の 架橋を形成するのに十分な、予め設定した時間及び温度で加熱する工程からなる 埋め込み具の製法。 2.前記予め設定した温度が、約37℃から約70℃である請求項1記載の埋め 込み具の製法。 3.前記予め設定した時間が、少なくとも48時間である請求項2記載の埋め込 み具の製法。 4.前記予め設定した温度が50℃であり、前記予め設定した時間が144時間 である請求項3記載の埋め込み具の製法。 5.前記高分子材料が、400,000から10,000,000の分子量を持 つ超高分子量ポリエチレンである請求項1記載の埋め込み具の製法。 6.前記予め設定した温度が50℃であり、前記予め設定した時間が144時間 である請求項5記載の埋め込み具の製法。 7.前記放射線滅菌が、ガンマ線、X線、または電子線によって行われる請求項 1記載の埋め込み具の製法。 8.前記酸素を減少させた雰囲気が、1%以下の酸素を含む雰囲気である請求項 1記載の埋め込み具の製法。 9.前記酸素を減少させた雰囲気が、窒素、ヘリウム、アルゴン、ネオン、及び それらの混合物からなる群から選択されるガスからなる請求項8記載の埋め込み 具の製法。 10.前記酸素を減少させた雰囲気が、水銀柱3インチ未満の真空で形成される 請求項8記載の埋め込み具の製法。 11.前記酸素を減少させた雰囲気でのシールが、まず、窒素、ヘリウム、アル ゴン、ネオン、及びそれらの混合物からなる群から選択されるガスでパッケージ 内をフラッシングし、次いで、そのパッケージ内を水銀柱3インチ未満の真空に し、さらにそのパッケージを前記の群から選択されるガスでフラッシングするこ とによって行われる請求項8記載の埋め込み具の製法。 12.1×1017/g未満のフリー・ラジカル濃度を持つ高分子鎖からなる高分 子材料で形成される医療用埋め込み具において、 前記フリー・ラジカルが酸化される前に、該埋め込み具を、酸素を減少させた 雰囲気内で、約37℃から約70℃の温度で少なくとも48時間加熱することに よって得られる医療用埋め込み具。 13.前記高分子材料が、400,000から10,000,000の分子量を 持つポリエチレンである請求項12記載の医療用埋め込み具。 14.医療用埋め込み具用の耐酸化性に優れた高分子原材料をプラスチック樹脂 粉末から製造する製法において、 前記樹脂を密封容器内に配置し、 この密封容器から、酸素を実質的に取り除き、 前記密封容器内を、窒素、ヘリウム、アルゴン、ネオン、及びそれらの混合物 からなる群から選択されるガスで再加圧し、 次いで前記樹脂を成型装置に移し、酸素を減少した雰囲気中で前記樹脂を溶融 及び成型して原材料を製造し、 その後、前記原材料を、予め設定した温度で、予め設定した時間アニールする 工程からなる製法。 15.前記密封容器内の酸素含有量が1%未満である請求項14記載の製法。 16.前記成型装置が、酸素1%未満の雰囲気下で作動する請求項15記載の製 法。 17.前記樹脂材料が、400,000から10,000,000の分子量を持 つポリエチレンである請求項14記載の製法。 18.前記容器から酸素を取り除く方法が、真空化、不活性ガスによるフラッシ ング、酸素吸収剤の使用、及びそれらの組み合わせからなる群から選択される請 求項14記載の製法。 19.前記アニール工程が、酸素を減少させた雰囲気下で、約37℃から約13 5℃の温度で少なくとも4時間行われる請求項14記載の製法。 20.耐酸化性に優れた医療用埋め込み具をプラスチック樹脂粉末から製造する 製法において、 前記樹脂を密封容器内に配置し、 この密封容器から、酸素を実質的に取り除き、 前記密封容器内を、窒素、ヘリウム、アルゴン、ネオン、及びそれらの混合物 からなる群から選択されるガスで再加圧し、 次いで前記樹脂を成型装置に移し、酸素を減少した雰囲気中で前記樹脂を溶融 及び成型して原材料を製造し、 その後、前記原材料を、予め設定した温度で、予め設定した時間アニールし、 前記高分子原材料から埋め込み具を成型し、 成型した埋め込み具を、酸素を減少させた雰囲気内でパッケージ内にシールし 、 前記パッケージした埋め込み具を放射線滅菌し、そして、 前記パッケージした埋め込み具を、隣接する高分子鎖のフリー・ラジカル間の 架橋を形成するのに十分な、予め設定した時間及び温度で加熱する工程からなる 埋め込み具の製法。 21.前記容器から酸素を取り除く方法が、真空化、不活性ガスによるフラッシ ング、酸素吸収剤の使用、及びそれらの組み合わせからなる群から選択される請 求項20記載の製法。 22.前記アニール工程が、酸素を減少させた雰囲気下で、約37℃から約13 5℃の温度で少なくとも4時間行われる請求項20記載の製法。 23.耐酸化性に優れた医療用高分子埋め込み具材料の製法において、 高分子材料から埋め込み具を成型し、 成型した埋め込み具を、酸素を減少させた雰囲気内でパッケージし、 前記酸素を減少させた雰囲気を維持しながら前記パッケージした埋め込み具を 放射線滅菌し、そして、 前記パッケージした埋め込み具を、前記酸素を減少させた雰囲気を維持しなが ら、約37℃から約70℃の温度で少なくとも48時間加熱する製法。 24.前記高分子材料が、400,000から10,000,000の分子量を 持つ超高分子量ポリエチレンである請求項23記載の製法。 25.前記予め決められた温度が50℃であり、前記予め設定した時間が144 時間である請求項23記載の製法。 26.前記酸素を減少させた雰囲気が、1%以下の酸素を含む雰囲気である請求 項19記載の製法。 27.前記酸素を減少させた雰囲気が、窒素、ヘリウム、アルゴン、ネオン、及 びそれらの混合物からなる群から選択されるガスからなる請求項26記載の製法 。 28.前記酸素を減少させた雰囲気が、水銀柱3インチ未満の真空で形成される 請求項26記載の製法。 29.前記加熱工程が、不活性ガス雰囲気中で行われる請求項23記載の製法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/070,074 US5414049A (en) | 1993-06-01 | 1993-06-01 | Non-oxidizing polymeric medical implant |
| US70,074 | 1993-06-01 | ||
| US08/070,074 | 1993-06-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08509148A true JPH08509148A (ja) | 1996-10-01 |
| JP2836965B2 JP2836965B2 (ja) | 1998-12-14 |
Family
ID=22092961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7500438A Expired - Lifetime JP2836965B2 (ja) | 1993-06-01 | 1994-04-26 | 非酸化性高分子医療用埋め込み具 |
Country Status (9)
| Country | Link |
|---|---|
| US (10) | US5414049A (ja) |
| EP (4) | EP0847765B1 (ja) |
| JP (1) | JP2836965B2 (ja) |
| AT (3) | ATE302032T1 (ja) |
| AU (1) | AU684500B2 (ja) |
| CA (1) | CA2162927C (ja) |
| DE (4) | DE9490446U1 (ja) |
| ES (1) | ES2122260T3 (ja) |
| WO (1) | WO1994027651A1 (ja) |
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| JP2009261978A (ja) * | 1996-10-02 | 2009-11-12 | Depuy Orthopaedics Inc | 耐摩耗性と耐酸化性のバランスを改良した超高分子量架橋ポリエチレン製医療用移植片の成形プロセス |
| JP2000033117A (ja) * | 1998-06-10 | 2000-02-02 | Depuy Orthopaedics Inc | 架橋成形したプラスチック支持体 |
| JP2008208381A (ja) * | 2002-01-04 | 2008-09-11 | Massachusetts General Hospital | 溶融体を下回る温度で調製した残留フリーラジカルが減少した高弾性率架橋ポリエチレン |
| US7517919B2 (en) | 2002-06-06 | 2009-04-14 | Howmedica Osteonics Corp. | Sequentially cross-linked polyethylene |
| US7714036B2 (en) | 2002-06-06 | 2010-05-11 | Howmedica Osteonics Corp. | Sequentially cross-linked polyethylene |
| US8030370B2 (en) | 2002-06-06 | 2011-10-04 | How medica Osteonics Corp. | Sequentially cross-linked polyethylene |
| US8324291B2 (en) | 2002-06-06 | 2012-12-04 | Howmedica Osteonics Corp. | Sequentially cross-linked polyethylene |
| US8680173B2 (en) | 2002-06-06 | 2014-03-25 | Howmedica Osteonics Corp. | Sequentially cross-linked polyethylene |
| US9181409B2 (en) | 2002-06-06 | 2015-11-10 | Howmedica Osteonics Corp. | Sequentially cross-linked polyethylene |
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| JP2008534123A (ja) * | 2005-03-31 | 2008-08-28 | ジンマー,インコーポレイティド | 整形外科インプラント用の高分子材料の液体浴アニーリング |
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