JP4256345B2 - 椎間板インプラント - Google Patents
椎間板インプラント Download PDFInfo
- Publication number
- JP4256345B2 JP4256345B2 JP2004529426A JP2004529426A JP4256345B2 JP 4256345 B2 JP4256345 B2 JP 4256345B2 JP 2004529426 A JP2004529426 A JP 2004529426A JP 2004529426 A JP2004529426 A JP 2004529426A JP 4256345 B2 JP4256345 B2 JP 4256345B2
- Authority
- JP
- Japan
- Prior art keywords
- intervertebral disc
- disc
- central chamber
- wall
- fluid
- 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.)
- Expired - Fee Related
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- 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
- 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
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2/441—Joints for the spine, e.g. vertebrae, spinal discs made of inflatable pockets or chambers filled with fluid, e.g. with hydrogel
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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
- A61F2/02—Prostheses implantable into the body
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- A61F2/442—Intervertebral or spinal discs, e.g. resilient
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- A61F2/02—Prostheses implantable into the body
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- A—HUMAN NECESSITIES
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- A—HUMAN NECESSITIES
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A—HUMAN NECESSITIES
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- A61F2002/30565—Special structural features of bone or joint prostheses not otherwise provided for having spring elements
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61F2002/30565—Special structural features of bone or joint prostheses not otherwise provided for having spring elements
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30581—Special structural features of bone or joint prostheses not otherwise provided for having a pocket filled with fluid, e.g. liquid
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- A61F2002/30581—Special structural features of bone or joint prostheses not otherwise provided for having a pocket filled with fluid, e.g. liquid
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- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30581—Special structural features of bone or joint prostheses not otherwise provided for having a pocket filled with fluid, e.g. liquid
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30581—Special structural features of bone or joint prostheses not otherwise provided for having a pocket filled with fluid, e.g. liquid
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- A—HUMAN NECESSITIES
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Description
Claims (24)
- 第1及び第2の脊椎間に配置するための椎間板であって、
第1の脊椎に接触する上面と、
第2の脊椎に接触する下面と、
内面及び外面を有する外壁であって、前記上面及び前記下面の間に延在する外壁と、
前記上面、前記下面、前記外壁の内面の間に画定された内部容量であって、互いに連通した複数の周辺チャンバに囲まれた中心チャンバを含む内部容量と、
を備えた椎間板。 - 前記互いに連通した複数の周辺チャンバは、前記中心チャンバから密封されている請求項1に記載の椎間板。
- 前記中心チャンバは、その中に第1の流体を有し、前記互いに連通した複数の周辺チャンバは、その中に第2の流体を有する請求項2に記載の椎間板。
- 前記互いに連通した複数の周辺チャンバを前記第2の流体で少なくとも部分的に満たすための弁であって、前記互いに連通した複数の周辺チャンバと連通した弁を更に備えた請求項3に記載の椎間板。
- 前記弁の少なくとも一部が前記外壁内に配置されている請求項4に記載の椎間板。
- 前記中心チャンバを前記第1の流体で少なくとも部分的に満たすための弁であって、前記中心チャンバと連通した第2の弁を更に備えた請求項5に記載の椎間板。
- 前記第2の弁の少なくとも一部が前記外壁内に配置されている請求項6に記載の椎間板。
- 前記中心チャンバは第1の壁により画定され、かつ、前記複数の周辺チャンバは前記外壁及び前記第1の壁の間に置かれている請求項1に記載の椎間板。
- 前記第1の壁は第1の剛性を有する第1の材料から形成され、かつ、前記外壁は、第2の剛性を有する第2の材料から形成され、前記第1の剛性と前記第2の剛性とは実質的に同等ではない請求項8に記載の椎間板。
- 前記第1の壁は第1の剛性を有する第1の形状を有し、かつ、前記外壁は第2の剛性を有する第2の形状を有し、前記第1の剛性と前記第2の剛性とは実質的に同等ではない請求項8に記載の椎間板。
- 前記中心チャンバは剛性を有し、かつ、前記複数の周辺チャンバは、前記中心チャンバの前記剛性より小さい剛性を有する請求項1に記載の椎間板。
- 前記中心チャンバは、その中に弾性要素を有する請求項1に記載の椎間板。
- 前記椎間板は剛性を有し、かつ、前記弾性要素はバネである請求項12に記載の椎間板。
- 前記中心チャンバは、その中に置かれた袋を有する請求項1に記載の椎間板。
- 前記椎間板は、エラストマー、ポリマー、セラミック、複合材料及び金属メッシュから選択された材料で構成されている請求項1に記載の椎間板。
- 前記上面及び下面に結合された金属メッシュを更に備えた請求項1に記載の椎間板。
- 前記上面に結合された上端板、及び前記下面に結合された下端板を更に備えた請求項1に記載の椎間板。
- 前記上端板及び下端板の上に配置された移動抵抗構造を更に備えた請求項17に記載の椎間板。
- 前記上端板及び下端板の上に配置された永久固定手段を更に備えた請求項17に記載の椎間板。
- 前記上端板及び下端板の少なくとも一つの上に配置された移植器具の取付け、案内又は保持構造を更に備えた請求項17に記載の椎間板。
- 前記面の少なくとも一つの上に配置された移動抵抗構造を更に備えた請 求項1に記載の椎間板。
- 前記互いに連通した複数の周辺チャンバは、前記中心チャンバと流体的に連通している請求項1に記載の椎間板。
- 前記中心チャンバ及び前記複数の周辺チャンバとの間に流体的な連通をさせるバッフル及び弁の一つを更に備える請求項22に記載の椎間板。
- 前記中心チャンバを画定する多孔性の壁を更に備える請求項22に記載の椎間板。
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US40340202P | 2002-08-15 | 2002-08-15 | |
US40335602P | 2002-08-15 | 2002-08-15 | |
PCT/US2003/025535 WO2004016205A2 (en) | 2002-08-15 | 2003-08-15 | Intervertebral disc implant |
Publications (3)
Publication Number | Publication Date |
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JP2006514558A JP2006514558A (ja) | 2006-05-11 |
JP2006514558A5 JP2006514558A5 (ja) | 2006-07-27 |
JP4256345B2 true JP4256345B2 (ja) | 2009-04-22 |
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JP2004529426A Expired - Fee Related JP4256345B2 (ja) | 2002-08-15 | 2003-08-15 | 椎間板インプラント |
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US (1) | US7563284B2 (ja) |
EP (1) | EP1531765B1 (ja) |
JP (1) | JP4256345B2 (ja) |
KR (1) | KR100984627B1 (ja) |
AT (1) | ATE400237T1 (ja) |
BR (1) | BR0313502A (ja) |
CA (1) | CA2495404C (ja) |
DE (2) | DE60322066D1 (ja) |
ES (1) | ES2310255T3 (ja) |
WO (1) | WO2004016205A2 (ja) |
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2003
- 2003-08-15 DE DE60322066T patent/DE60322066D1/de not_active Expired - Lifetime
- 2003-08-15 BR BR0313502-0A patent/BR0313502A/pt not_active Application Discontinuation
- 2003-08-15 EP EP03788497A patent/EP1531765B1/en not_active Expired - Lifetime
- 2003-08-15 AT AT03788497T patent/ATE400237T1/de active
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- 2003-08-15 JP JP2004529426A patent/JP4256345B2/ja not_active Expired - Fee Related
- 2003-08-15 WO PCT/US2003/025535 patent/WO2004016205A2/en active Application Filing
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- 2003-08-15 KR KR1020057002537A patent/KR100984627B1/ko not_active IP Right Cessation
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Also Published As
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JP2006514558A (ja) | 2006-05-11 |
WO2004016205A3 (en) | 2004-05-27 |
US7563284B2 (en) | 2009-07-21 |
DE20321571U1 (de) | 2008-02-14 |
WO2004016205A2 (en) | 2004-02-26 |
DE60322066D1 (de) | 2008-08-21 |
ES2310255T3 (es) | 2009-01-01 |
EP1531765B1 (en) | 2008-07-09 |
WO2004016205A9 (en) | 2004-07-08 |
US20050197702A1 (en) | 2005-09-08 |
EP1531765A2 (en) | 2005-05-25 |
CA2495404A1 (en) | 2004-02-26 |
BR0313502A (pt) | 2005-07-12 |
CA2495404C (en) | 2011-05-03 |
KR20060056264A (ko) | 2006-05-24 |
ATE400237T1 (de) | 2008-07-15 |
KR100984627B1 (ko) | 2010-09-30 |
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