JP2009545332A - 骨セメント組成物、およびこれを作る方法 - Google Patents
骨セメント組成物、およびこれを作る方法 Download PDFInfo
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- A—HUMAN NECESSITIES
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- 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
- A61L24/00—Surgical adhesives or cements; Adhesives for colostomy devices
- A61L24/0047—Composite materials, i.e. containing one material dispersed in a matrix of the same or different material
- A61L24/0073—Composite materials, i.e. containing one material dispersed in a matrix of the same or different material with a macromolecular matrix
- A61L24/0084—Composite materials, i.e. containing one material dispersed in a matrix of the same or different material with a macromolecular matrix containing fillers of phosphorus-containing inorganic compounds, e.g. apatite
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/66—Phosphorus compounds
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- A61K38/17—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- A61K38/18—Growth factors; Growth regulators
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- A—HUMAN NECESSITIES
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- A61L24/00—Surgical adhesives or cements; Adhesives for colostomy devices
- A61L24/04—Surgical adhesives or cements; Adhesives for colostomy devices containing macromolecular materials
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- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
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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
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Abstract
Description
これらの特許は、一般に、キフォプラスティ(“Kyphoplasty”)といわれる処置であって、脊椎の骨の破砕物を、減少し、骨セメント組成物を注入する前に、脊椎の高さを回復するよう、1つ、または2つの、血管形成術のバルーンに似た、バルーンを用いるもの、を記述している。例えば、2つのバルーンは、双方向性のトランスペディキュラーカニューレを介して、脊椎内に導入される。該バルーンは、破砕物を低減するよう膨張され、そののち、収縮されて除去され、その中に、骨セメント組成物が注入される、比較的空のキャビティを残す。バルーンの膨張、およびそれにつづく組成物の注入は、脊椎の高さを、回復するのを助ける。
例
Claims (46)
- 以下のものの反応生成物よりなる組成物:
(a) スプレー乾燥された無機フィラー、ラジアルドナー、および、プリ重合されるビニールポリマーよりなる第1の成分;および、
(b) ラジカルスカベンジャー、希釈液、重合促進剤、および、反応性モノマーよりなる第2の成分。 - 請求項1記載の組成物であって、前記第1、及び第2の成分は、約2.2:1から、約3.3:1までの重量比で存在する。
- 請求項1または2記載の組成物であって、前記第1の成分は、さらに、抗生物質、細胞増殖抑制剤、鎮痛剤、殺菌剤、保存剤、成長因子、増殖性因子、たんぱく質、ペプチド、生体高分子、造影可能なマーカー、ダイ、およびそれらの混合物よりなるグループから選択される任意的な成分を含む。
- 請求項3記載の組成物であって、前記造影可能なマーカーは、バリウム硫酸塩(BaSO4)、ジルコニウム二酸化物、CHI3、Na2FPO3、およびCaF2、およびそれらの混合物よりなるグループから選択される。
- 請求項1ないし4のいずれかに記載の組成物であって、前記第2の成分は、さらに、ダイ、たんぱく質の混ぜ物、化学療法薬、薬、抗生物質、および、それらの混合物よりなるグループから選択される任意的な成分を含む。
- 請求項5記載の組成物であって、前記たんぱく質の混ぜ物は、細胞増殖性成長因子、形態形成成長因子、およびそれらの混合物よりなるグループから選択される。
- 請求項5記載の組成物であって、
前記薬は、バイフォスフォネートである。 - 請求項1ないし7のいずれかに記載の組成物であって、前記スプレー乾燥された無機フィラーは、シンターされた、スプレー乾燥された無機フィラーよりなる。
- 請求項1ないし8のいずれかに記載の組成物であって、前記スプレー乾燥された無機フィラーは、スプレー乾燥されたヒドロキシアパタイトよりなる。
- 請求項9に記載の組成物であって、前記スプレー乾燥された、改質されたヒドロキシアパタイトは、シンターされた、スプレー乾燥されたヒドロキシアパタイトである。
- 請求項1ないし10のいずれかに記載の組成物であって、前記ラジカルドナーは、ベンゾイルパーオキサイド(BPO)、アゾビスブチリルニトリル(AIBN)、およびそれらの混合物よりなるグループから選択される。
- 請求項1ないし11のいずれかに記載の組成物であって、前記プリ重合されたビニールポリマーは、ポリ(メチルメタクリレート)(PMMA)、プリ重合されたスチレンアクリレート、ポリメタクリレート、ポリエタクリレート、ポリブチルメタクリレート、および、それらの共重合体、およびそれらの混合物よりなるグループから選択される。
- 請求項12記載の組成物であって、前記プリ重合されたビニールポリマーは、PMMAである。
- 請求項1ないし13のいずれかに記載の組成物であって、前記プリ重合されたビニールポリマーは、約20μmから約55μmの平均粒子サイズを持つビーズよりなる。
- 請求項1ないし14のいずれかに記載の組成物であって、前記ラジカルスカベンジャーは、ヒドロキノン、ヒドロキノンモノメチルエーテル、ビタミンE、および、それらの混合物よりなるグループから選択される。
- 請求項1ないし15のいずれかに記載の組成物において、前記希釈液は、ポリエチレングリコール(PEG)、メリト酸エステル、および、それらの混合物よりなるグループから選択される。
- 請求項16記載の組成物であって、前記メリト酸エステルは、トリオクチルメリトエステルである。
- 請求項1ないし17のいずれかに記載の組成物であって、前記希釈液は、希釈液が、標準の温度および圧力で液体であるような分子量を持つ。
- 請求項16記載の組成物であって、前記PEGは、約100から約1000の分子量を持つ。
- 請求項19記載の組成物であって、前記PEGは、約400から約800の分子量を持つ。
- 請求項1ないし20のいずれかに記載の組成物であって、前記反応性モノマーは、メチルメタクリレート(MMA)、PEGモノアクリレート、PEGジアクリレート、PEGモノメタクリレート、PEGジメタクリレート、PEGモノ/ジアクリレート/メタクリレート、ブタネジオールメタクリレート、ポリオレフィン−アクリレート、ウレタンアクリレート、メタクリレート、および、それらの混合物よりなるグループから選択される。
- 請求項21の組成物において、前記反応性モノマーは、MMAである。
- 請求項21の組成物において、前記PEGモノアクリレート、PEGジアクリレート、PEGモノメタクリレート、PEGジメタクリレートは、約200ダルトン(D)から約1500Dの範囲内の、分子量を持つ。
- 請求項1ないし24のいずれかに記載の組成物であって、前記重合促進剤は、ジメチルアニリン、ジエチルアニリン、ジエチルアニリン、ジメチルパラトルイジン(DMPT)、ジエチルパラトルイジン(DMPT)、ジエチルパラトルイジン、および、それらの混合物よりなるグループから選択される。
- 請求項24記載の組成物であって、前記重合促進剤は、ジメチルパラトルイジン(DMPT)、およびジヒドロキシエチルオルトルイジン、および、それらの混合物よりなるグループから選択される。
- 請求項25記載の組成物であって、前記重合促進剤は、DMPTである。
- 請求項1ないし26のいずれかに記載の組成物であって、前記第1の成分は、該第1の成分の全重量に基づき、約0.5重量%から約99.5重量%の前記スプレー乾燥された無機フィラーを含む。
- 請求項1ないし26のいずれかに記載の組成物であって、前記第1の成分は、前記スプレー乾燥された無機フィラー、およびプリ重合ビニールポリマーの全重量に基づき、約0.5重量%から約5重量%のラジカルドナーを含む。
- 請求項1ないし28のいずれかに記載の組成物であって、前記第1の成分は、該第1の成分の全重量に基づき、約0.5重量%から約99.5重量%のプリ重合されたビニールポリマーを含む。
- 請求項3ないし29のいずれかに記載の組成物であって、前記造影可能なマーカーは、前記第1の成分内に存在し、該第1の成分の全重量に基づき、該第1の成分の約30重量%までよりなる。
- 請求項1ないし30のいずれかに記載の組成物であって、前記ラジカルスカベンジャーは、前記第2の成分の約5ppmから約500ppm部分よりなる。
- 請求項1ないし31のいずれかに記載の組成物であって、前記第2の成分は、該第2の成分の全重量に基づき、約1重量%から約90重量%の前記希釈液を含む。
- 請求項1ないし32のいずれかに記載の組成物であって、前記第2の成分は、該第2の成分の全重量に基づき、約0.1重量%から約3重量%の前記重合促進剤を含む。
- 請求項1ないし33のいずれかに記載の組成物であって、前記第2の成分は、該第2の成分の全重量に基づき、約10重量%から約99重量%の反応性モノマーを含む。
- 以下のものの設定可能な混合物よりなる組成物:
(a) スプレー乾燥された無機フィラー、ラジカルドナー、および、プリ重合されたビニールポリマーよりなる第1の成分、
(b) 前記第1の成分と反応する第2の成分であって、該第2の成分は、ラジカルスカベンジャー、希釈液、重合促進剤、および、反応性モノマーよりなる。 - 請求項35記載の組成物であって、前記第1の成分は、請求項3ないし14、および、27ないし30のいずれか1つに記述されているように定義される。
- 請求項35記載の組成物であって、前記第2の成分は、請求項15ないし26、および、31ないし34のいずれか1つに記述されているように定義される。
- 骨セメント組成物を形成する方法であって、該方法は、
(a) スプレー乾燥された無機フィラー、ラジアルドナー、および、プリ重合されるビニールポリマーよりなる第1の成分、と、
(b) ラジカルスカベンジャー、希釈液、重合促進剤、および、反応性モノマーよりなる第2の成分、
とを、治癒可能な反応生成物を形成するのに適した条件の下で、混合することよりなる。 - 請求項38に記載の方法であって、さらに、反応生成物を、治癒することよりなる。
- 請求項39に記載の方法であって、さらに、第1の成分の第2の成分に対する、約1:3から約1:2の重量比で、第1および第2の成分を混合することよりなる。
- 請求項36に記載の方法であって、前記スプレー乾燥された無機フィラーは、無機フィラーを有機溶媒と結合して混合物を形成し、該混合物をスプレー乾燥し、かつ、該スプレー乾燥された混合物をシンターすることにより準備される、シンターされた、スプレー乾燥された無機フィラーよりなる。
- 以下のものよりなるキット:
(a) スプレー乾燥された無機フィラー、ラジアルドナー、および、プリ重合されるビニールポリマーよりなる、パッケージ化された第1の成分、および、
(b) ラジカルスカベンジャー、希釈液、重合促進剤、および、反応性モノマーよりなる、パッケージ化された第2の成分。 - 請求項42に記載のキットであって、前記第1の成分は、請求項3ないし14、および、請求項27ないし30のいずれかに記述されているように定義される。
- 請求項42に記載のキットであって、前記第2の成分は、請求項15ないし26、および、請求項31ないし34のいずれかに記述されているように定義される。
- 請求項42ないし44のいずれかに記載のキットであって、さらに、第1及び第2の成分を混合するのに適切な装置よりなる。
- 請求項42ないし44のいずれかに記載のキットであって、さらに、第1および第2の成分の混合物を、手術部位に供給するのに適した装置よりなる。
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WO2007025633A3 (en) | 2007-07-26 |
CN101374556A (zh) | 2009-02-25 |
EP1931399B1 (en) | 2010-05-26 |
CN101374556B (zh) | 2014-04-09 |
DE602006014562D1 (de) | 2010-07-08 |
US20070048382A1 (en) | 2007-03-01 |
US7651701B2 (en) | 2010-01-26 |
WO2007025633A2 (en) | 2007-03-08 |
US20100086620A1 (en) | 2010-04-08 |
EP1931399A2 (en) | 2008-06-18 |
US9089625B2 (en) | 2015-07-28 |
ES2346562T3 (es) | 2010-10-18 |
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