JP5752034B2 - 多孔質部を固定するための構造を備えたインプラント - Google Patents
多孔質部を固定するための構造を備えたインプラント Download PDFInfo
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0018—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the shape
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C19/00—Dental auxiliary appliances
- A61C19/04—Measuring instruments specially adapted for dentistry
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0012—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the material or composition, e.g. ceramics, surface layer, metal alloy
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0018—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the shape
- A61C8/0022—Self-screwing
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Epidemiology (AREA)
- Dentistry (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- Prostheses (AREA)
- Dental Prosthetics (AREA)
Description
本出願は、本明細書で参照することにより援用する、2008年7月2日に出願された米国特許出願第12/167,060号の継続出願である。
Claims (37)
- 軸方向に延びているインプラントであって、
骨と係合するための第一のネジ切りされた外面を有するヘッド部と、
金属製で多孔質の中間部と、
ステム部とを備えており、
前記中間部は、軸方向に貫通する孔と、前記中間部の多孔質の外面から前記中間部の多孔質の内面へと延びる多孔質の壁とを有し、
前記多孔質の内面は、前記孔の外周を形成し、
前記外周は、軸方向において実質的に一定である前記孔の直径を定義し、
前記ステム部は、前記中間部が前記ヘッド部および前記ステム部と結合されることなく、少なくとも前記ヘッド部および前記ステム部が協働して前記中間部を前記インプラント上に狭持するよう、前記ヘッド部と係合するように構成されており、
前記ステム部は、骨と係合するための第二のネジ切りされた外面と、
前記孔の直径にほぼ等しい直径を有するコアとを有し、
前記コアは、前記ヘッド部および前記ステム部の両方のうちの少なくとも1つから軸方向に延びている、インプラント。 - 前記中間部が、骨を内部へと成長させるために多孔性となっている、請求項1に記載のインプラント。
- 前記中間部がタンタルで構成されてなる、請求項1に記載のインプラント。
- 前記中間部が、少なくとも部分的に充填材料で充填される孔を有してなる、請求項1に記載のインプラント。
- 前記充填材料が再吸収可能材料である、請求項4に記載のインプラント。
- 前記充填材料が、再吸収可能ポリマーおよび再吸収不可能ポリマーのうちの少なくとも1つである、請求項4に記載のインプラント。
- 前記中間部が、再吸収可能ポリマー、再吸収不可能ポリマー、合成骨素材およびコラーゲンのうちの少なくとも1つである、請求項1に記載のインプラント。
- 前記ヘッド部を前記ステム部に固定するように構成されたロック機構をさらに備えてなる、請求項1に記載のインプラント。
- 前記ロック機構が、少なくとも圧入により、前記ヘッド部を前記ステム部へ固定するように構成されてなる、請求項8に記載のインプラント。
- 前記ロック機構が、相互に噛み合うネジ山を前記ヘッド部および前記ステム部上に有してなる、請求項8に記載のインプラント。
- 前記中間部がスリーブ部を含んでなる、請求項8に記載のインプラント。
- 前記ロック機構が前記コア上に形成され、前記コアが前記スリーブ部の中へ少なくとも部分的に延びてなる、請求項11に記載のインプラント。
- 前記コアが、前記ヘッド部および前記ステム部のうちの少なくとも1つに一体式に形成されてなる、請求項12に記載のインプラント。
- 前記コアが、前記ヘッド部から延びている冠部と、前記ステム部から延びる尖部とを有し、前記冠部および前記尖部の各々が、係合する遠位端部を有し、これらの係合する遠位端部がロック機構を形成してなる、請求項12に記載のインプラント。
- 前記コアが、反対側に位置する2つの長手方向の端部を有し、各端部が前記ヘッド部および前記ステム部のうちの対応する一つと係合してなる、請求項12に記載のインプラント。
- 長手方向の軸線を通常有しており、前記ヘッド部および前記ステム部の各々が前記軸線に対して前記コアから半径方向外側に向けて延びる保持用の肩部を有し、これら2つの肩部が相互に対向し、前記スリーブ部が、前記コアに取り付けられ、前記2つの肩部の間で保持されるようになっている、請求項12に記載のインプラント。
- 前記ロック機構が、前記ヘッド部および前記ステム部のうちの一方に、軸方向に延びている少なくとも1つのポストを有し、前記ヘッド部および前記ステム部のうちの他方に、軸方向に延びている前記ポストを受ける少なくとも1つの孔を有してなる、請求項8に記載のインプラント。
- 前記ロック機構が、前記ヘッド部および前記ステム部のうちの一方から軸方向に延びる複数のロック部材を有し、各ロック部材が前記ヘッド部および前記ステム部のうちの他方と係合する端部を有してなる、請求項8に記載のインプラント。
- 各ロック部材が、前記ヘッド部および前記ステム部のうちの他方と少なくとも圧入により係合してなる、請求項18に記載のインプラント。
- 各ロック部材が、前記ヘッド部および前記ステム部のうちの他方とネジ接続により係合してなる、請求項18に記載のインプラント。
- 前記多孔質の中間部が、前記ロック部材を受けるための少なくとも1つの長手方向に延びている溝を具備する外面を有してなる、請求項18に記載のインプラント。
- 前記外面には、各ロック部材に対する溝が形成されてなる、請求項21に記載のインプラント。
- 前記多孔質の中間部が、前記ロック部材を除いて、前記ヘッド部を前記ステム部から分離してなる、請求項18に記載のインプラント。
- 前記ヘッド部が、支台コネクタを受けるように構成された内面を有している環状部材と、前記ロック部材と係合するように構成された尖部の方に面する環状の側面とを有してなる、請求項18に記載のインプラント。
- 前記ロック部材が、円周方向に間隔をおいて互に均一に並べられてなる、請求項18に記載のインプラント。
- 前記ロック部材が冠部に向けて延びるにつれて、半径方向外側に向けて延びてなる、請求項18に記載のインプラント。
- 少なくとも1つのロック部材が反対側に位置する2つの長手方向の端部を有しており、各端部が前記ヘッド部および前記ステム部のうちの対応する方と係合してなる、請求項18に記載のインプラント。
- 前記ヘッド部上に取り付けられる環状部材をさらに備えており、該環状部材が軟組織の付着を促進するように構成された外面を有してなる、請求項1に記載のインプラント。
- 前記ステム部が、前記インプラントを骨の中へネジ止めする際、前記骨を受けるための開口部を有してなる、請求項1に記載のインプラント。
- 前記インプラントが歯科インプラントであり、前記中間部が下顎または上顎と係合するように構成されてなる、請求項1に記載のインプラント。
- 前記中間部が非円形状の外周面を有してなる、請求項1に記載のインプラント。
- 前記ヘッド部および前記ステム部の各々が、ある形状を有した外周面を有しており、前記中間部が少なくとも前記ヘッド部または前記ステム部の形状とは異なる形状を有した外周面を有してなる、請求項1に記載のインプラント。
- ネジ切りされていないコアをさらに備え、
前記多孔質の中間部が前記ネジ切りされていないコアの周囲に配設されている、請求項1に記載のインプラント。 - 前記ネジ切りされた外面がセルフタッピングネジである、請求項1に記載のインプラント。
- 前記多孔質の中間部が前記コアに摩擦嵌めによってされている、請求項34に記載のインプラント。
- 前記ヘッド部および前記ステム部によって形成されるロック機構が前記コアと前記多孔質の中間部を保持している、請求項35に記載のインプラント。
- 歯科インプラントを組み立てる方法であって、
ヘッド部およびそれとは別個になっているステム部のうちの少なくとも1つから延びているコア上に金属製の多孔性スリーブを、尖部から冠部方向に配設することと、
前記ヘッド部および前記ステム部が協働して、前記金属製の多孔性スリーブが前記ヘッド部および前記ステム部と結合されることなく、前記金属製の多孔性スリーブを前記インプラント上に狭持するように、前記ステム部を前記ヘッド部と前記ヘッド部の前記保持用の肩部と前記ステム部の前記保持用の肩部との間で係合させることとを含み、
前記ヘッド部および前記ステム部は、いずれも係合及び前記インプラントを骨にネジ止めするためネジ切りされた外面を有し、
前記金属製の多孔性スリーブは、外面から内面へと延びる多孔質の壁を有し、
前記内面は、前記ヘッド部および別個になっている前記ステム部の少なくとの一方の上に配置されるように構成された孔の外周を形成し、
前記ヘッド部および前記ステム部の各々が、取り付けられた歯科インプラントの長手方向の軸線から半径方向外側に向けて延びる保持用の肩部を有し、
前記孔の外周は、前記コアの直径にほほ等しい直径を有し、
前記コアの直径は、前記金属製の多孔性スリーブが前記ヘッド部の前記保持用の肩部と係合する第1の部位、および前記金属製の多孔性スリーブが前記ステム部の前記保持用の肩部と係合する第2の部位において実質的に同じであり、
前記外周は、軸方向において実質的に一定である前記孔の直径を定義する、
方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/167,060 US8899982B2 (en) | 2008-07-02 | 2008-07-02 | Implant with structure for securing a porous portion |
US12/167,060 | 2008-07-02 | ||
PCT/US2009/048469 WO2010002663A1 (en) | 2008-07-02 | 2009-06-24 | Implant with structure for securing a porous portion |
Publications (3)
Publication Number | Publication Date |
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JP2011526809A JP2011526809A (ja) | 2011-10-20 |
JP2011526809A5 JP2011526809A5 (ja) | 2012-08-02 |
JP5752034B2 true JP5752034B2 (ja) | 2015-07-22 |
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Country | Link |
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US (1) | US8899982B2 (ja) |
EP (1) | EP2306922B1 (ja) |
JP (1) | JP5752034B2 (ja) |
CA (1) | CA2729825C (ja) |
WO (1) | WO2010002663A1 (ja) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
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CN100594853C (zh) * | 2008-05-16 | 2010-03-24 | 北京天新福医疗器材有限公司 | 一种用于股骨头坏死的金属骨支撑器 |
US20100114314A1 (en) | 2008-11-06 | 2010-05-06 | Matthew Lomicka | Expandable bone implant |
JP5680838B2 (ja) * | 2009-06-08 | 2015-03-04 | 廣田 誠 | 人工歯根 |
US9707058B2 (en) * | 2009-07-10 | 2017-07-18 | Zimmer Dental, Inc. | Patient-specific implants with improved osseointegration |
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EP2306922A1 (en) | 2011-04-13 |
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CA2729825A1 (en) | 2010-01-07 |
EP2306922B1 (en) | 2018-08-08 |
WO2010002663A1 (en) | 2010-01-07 |
JP2011526809A (ja) | 2011-10-20 |
US8899982B2 (en) | 2014-12-02 |
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