JP2006514558A - 椎間板インプラント - Google Patents
椎間板インプラント Download PDFInfo
- Publication number
- JP2006514558A JP2006514558A JP2004529426A JP2004529426A JP2006514558A JP 2006514558 A JP2006514558 A JP 2006514558A JP 2004529426 A JP2004529426 A JP 2004529426A JP 2004529426 A JP2004529426 A JP 2004529426A JP 2006514558 A JP2006514558 A JP 2006514558A
- Authority
- JP
- Japan
- Prior art keywords
- intervertebral disc
- disc according
- disposed
- disc
- chamber
- 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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- A61F2002/30565—Special structural features of bone or joint prostheses not otherwise provided for having spring elements
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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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- 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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- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00011—Metals or alloys
- A61F2310/00017—Iron- or Fe-based alloys, e.g. stainless steel
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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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00011—Metals or alloys
- A61F2310/00023—Titanium or titanium-based alloys, e.g. Ti-Ni alloys
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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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00011—Metals or alloys
- A61F2310/00029—Cobalt-based alloys, e.g. Co-Cr alloys or Vitallium
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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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00179—Ceramics or ceramic-like structures
-
- 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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00359—Bone or bony tissue
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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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00389—The prosthesis being coated or covered with a particular material
- A61F2310/00395—Coating or prosthesis-covering structure made of metals or of alloys
- A61F2310/00407—Coating made of titanium or of Ti-based alloys
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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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00389—The prosthesis being coated or covered with a particular material
- A61F2310/00395—Coating or prosthesis-covering structure made of metals or of alloys
- A61F2310/00419—Other metals
- A61F2310/00461—Coating made of nickel or Ni-based alloys
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- A—HUMAN NECESSITIES
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- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00389—The prosthesis being coated or covered with a particular material
- A61F2310/00574—Coating or prosthesis-covering structure made of carbon, e.g. of pyrocarbon
- A61F2310/0058—Coating made of diamond or of diamond-like carbon DLC
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- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00389—The prosthesis being coated or covered with a particular material
- A61F2310/00592—Coating or prosthesis-covering structure made of ceramics or of ceramic-like compounds
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Abstract
Description
Claims (73)
- 第1および第2の脊椎間に配置する椎間板であって、
第1の内表面および第1の外表面を有する上端板であって、第1の外表面は第1の脊椎と接触する上端板と、
第2の内表面および第2の外表面を有する下端板であって、第2の外表面は第2の脊椎と接触する下端板と、
前記上端板と下端板の間に延びる弾性膜と、
前記端板と前記弾性膜の間に画定される内部容量と、
前記容量を流体で少なくとも部分的に充填するように、前記内部容量と連通する弁とを備える椎間板。 - 前記第1および第2の内表面のうちの一方はソケットを有し、前記第1および第2の内表面のうちの他方は突起を有し、突起はソケット内で連節するように構成されている、請求項1に記載の椎間板。
- 前記突起およびソケットは、前記上下端板間の平行移動を可能にするように構成された、請求項2に記載の椎間板。
- 前記弁の少なくとも一部は前記膜内に配置されている、請求項1から3のいずれか一項に記載の椎間板。
- 前記膜の少なくとも一部は、前記上下端板間に配置されている、請求項1から4のいずれか一項に記載の椎間板。
- 前記膜は前記上下端板を囲繞している、請求項1から5のいずれか一項に記載の椎間板。
- 前記膜はエラストマー材料から形成されている、請求項1から6のいずれか一項に記載の椎間板。
- 前記膜は蛇腹を備える、請求項1から7のいずれか一項に記載の椎間板。
- 前記流体は圧縮不可能である、請求項1から8のいずれか一項に記載の椎間板。
- 前記端板の少なくとも一方は、金属、ポリマー、セラミック、および複合材料からなる群から選択された材料から形成されている、前記請求項1から9のいずれか一項に記載の椎間板。
- 前記端板の少なくとも一方は、皮質、海綿質、同種移植片、自家移植片、異種移植片、脱塩化または部分的に脱塩化された骨からなる群から選択された骨材料から形成されている、請求項1から10のいずれか一項に記載の椎間板。
- 前記第1および第2の外表面の少なくとも一方に配置された移動抵抗構造をさらに備える、請求項1から11のいずれか一項に記載の椎間板。
- 前記第1および第2の外表面の少なくとも一方に配置された永久固定手段をさらに備える、請求項1から12のいずれか一項に記載の椎間板。
- 前記第1および第2の外表面の少なくとも一方に配置された移植機器の取付け、案内、または保持のための構造をさらに備える、請求項1から13のいずれか一項に記載の椎間板。
- 第1および第2の脊椎の間に配置する椎間板において、
第1および第2の脊椎と接触するようになっている第1および第2の表面と、
前記第1および第2の脊椎の間に配置された外および内側壁であって、内側壁は環を画定する側壁と、を備える椎間板であって、
前記環は流体を少なくとも部分的に充填している椎間板。 - 前記椎間板は少なくとも部分的に、エラストマー材料を含む、請求項15に記載の椎間板。
- 前記環内に配置されたエラストマー材料をさらに備える、請求項15または16のいずれかに記載の椎間板。
- 本体はさらに第1の剛性を有し、前記エラストマー材料は第2の剛性を有し、前記第1および第2の剛性は実質的に同等ではない、請求項15から17に記載の椎間板。
- 前記第2の剛性は前記第1の剛性より大きい、請求項15から18のいずれか一項に記載の椎間板。
- 前記環を前記流体で少なくとも部分的に充填するように、前記環と連通する弁をさらに備える、請求項15から19のいずれか一項に記載の椎間板。
- 前記弁の少なくとも一部は、前記外側壁内に配置される、請求項20に記載の椎間板。
- 前記表面の少なくとも一方に結合する金網をさらに備える、請求項15から21のいずれか一項に記載の椎間板。
- 前記第1および第2の表面と前記内外側壁の間に間隙をさらに備え、該間隙は前記第1および第2の表面によって画定されている、請求項15から22に記載の椎間板。
- 前記第1および第2の表面は弾性的に離れて付勢されている、請求項15から23のいずれか一項に記載の椎間板。
- 前記椎間板は、前記脊椎に対する後部からのアプローチにより椎間板の空間内に移植できるように構成された、請求項15から24のいずれか一項に記載の椎間板。
- 前記流体は圧縮不可能である、請求項15から25のいずれか一項に記載の椎間板。
- 前記第1および第2の部材の少なくとも一方に配置された移動抵抗構造をさらに備える、請求項15から26のいずれか一項に記載された椎間板。
- 前記移動抵抗構造は、前記上下表面の少なくとも一方を越えて延び、前記第1および第2の脊椎の少なくとも一方と係合するように留め具を受ける貫通孔を有する少なくとも1つのフラップを備える、請求項27に記載の椎間板。
- 前記第1および第2の部材の少なくとも一方に配置された永久固定手段をさらに備える、請求項15から28のいずれか一項に記載の椎間板。
- 前記第1および第2の部材の少なくとも一方に配置された、移植機器の取付け、案内、または保持のための構造をさらに備える、請求項15から29のいずれか一項に記載の椎間板。
- 第1および第2の脊椎の間に配置する椎間板であって、
前記第1の脊椎と接触する上表面と、
前記第2の脊椎と接触する下表面と、
内外表面を有すると共に、前記上下表面間に延びる外部壁と、
前記上下表面と前記外部壁の内表面の間に画定されると共に、少なくとも第1および第2のチャンバを備える内部容量とを備える椎間板。 - 前記第1のチャンバは第1の壁面によって画定され、前記第2のチャンバは前記外部壁と前記第1の壁の間に配置された、請求項31に記載の椎間板。
- 前記第1のチャンバを前記流体で少なくとも部分的に充填するように、前記第1のチャンバと連通する弁をさらに備える、請求項31または32のいずれかに記載の椎間板。
- 前記弁の少なくとも一部は前記外部壁に配置される、請求項33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ており、前記外部壁は第2の剛性を有する第2の材料から形成されており、前記第1および第2の剛性は実質的には一致していない、請求項31から34のいずれか一項に記載の椎間板。
- 前記第1の壁は第1の剛性を備える第1の形状を有し、前記外部壁は第2の剛性を備える第2の形状を有し、前記第1および第2の剛性はほぼ一致していない、請求項31から35のいずれか一項に記載の椎間板。
- 前記第1のチャンバおよび前記第2のチャンバは、少なくともその中に配置された第1の流体を有する、請求項31から36のいずれか一項に記載の椎間板。
- 前記第2のチャンバは、前記第1のチャンバと流体連通している、請求項31から37のいずれか一項に記載の椎間板。
- 前記第1および第2のチャンバと連通する第1の壁に配置された弁をさらに備える、請求項37または38のいずれかに記載の椎間板。
- 前記内部容量はさらに、前記第2のチャンバと流体連通する第3のチャンバを備える、請求項37から39のいずれか一項に記載の椎間板。
- 前記第2のチャンバは、前記第1のチャンバから密封されており、前記第1のチャンバは中に配置された第1の流体を有し、前記第2のチャンバは中に配置された第2の流体を有する、請求項31から40のいずれか一項に記載の椎間板。
- 前記第1および第2のチャンバは、第1の流体で少なくとも部分的に充填される、請求項31から41のいずれか一項に記載の椎間板。
- 前記第2および第3のチャンバを流体で少なくも部分的に充填するように、前記第2および第3のチャンバと連通するバルブをさらに備える、請求項40から42のいずれか一項に記載の椎間板。
- 前記弁の少なくとも一部は前記外部壁に配置されている、請求項33から43のいずれか一項に記載の椎間板。
- 前記少なくとも1つの第2のチャンバは、互いに流体連通する少なくとも2つのチャンバを備える、請求項31から44のいずれか一項に記載の椎間板。
- 前記椎間板は剛性を有し、前記第1のチャンバは前記椎間板の剛性より大きな剛性を有するように適応され、構成された、請求項31から45のいずれか一項に記載の椎間板。
- 前記第1のチャンバは、前記表面を互いに対して旋回可能にする旋回軸であるように適応され、構成された、請求項31から46のいずれか一項に記載の椎間板。
- 前記第1のチャンバはその中に配置された弾力性要素を有する、請求項31から47のいずれか一項に記載の椎間板。
- 前記椎間板は剛性を有し、前記弾力性要素はばねであり、ばねは前記第1の剛性より大きな第2の剛性を有するように適応され、構成されている、請求項31から48のいずれか一項に記載の椎間板。
- 前記第1のチャンバは中に配置された空孔を有する、請求項31から49のいずれか一項に記載の椎間板。
- 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、または金網からなる群からできている、請求項31から50のいずれか一項に記載の椎間板。
- 前記表面の少なくとも1つに結合する金網をさらに備える、請求項31から51のいずれか一項に記載の椎間板。
- 前記表面の少なくとも1つに結合する少なくとも1つの端板をさらに備える、請求項31から52のいずれか一項に記載の椎間板。
- 前記端板の少なくとも1つに配置された移動抵抗構造をさらに備える、請求項53に記載の椎間板。
- 前記端板の少なくとも1つに配置された永久固定手段をさらに備える、請求項53または54のいずれかに記載の椎間板。
- 前記端板の少なくとも1つに配置された移植機器の取付け、案内、または保持のための構造をさらに備える、請求項53から55のいずれか一項に記載の椎間板。
- 前記表面の少なくとも1つに配置された移動抵抗構造をさらに備える、請求項31から56のいずれか一項に記載の椎間板。
- 前記移動抵抗構造は、前記上下表面の少なくとも1つを越えて延び、前記第1および第2の脊椎の少なくとも1つと係合するように留め具を受ける貫通孔を有する、少なくとも1つのフラップを備える、請求項57に記載の椎間板。
- 第1および第2の脊椎の間に配置する椎間板において、
前記第1の脊椎と接触する上端板と、
前記第2の脊椎と接触する下端板と、
その間に配置された少なくとも第1および第2のケーブル要素と、を備える椎間板であって、
前記第1および第2のケーブル要素はそれぞれ長さを有し、前記第1のケーブル要素の長さは前記第2のケーブル要素の長さより実質的に短い椎間板。 - 前記端板の少なくとも1つは少なくとも1つの孔を含み、前記少なくとも1つのケーブル要素は前記少なくとも1つの孔に結合している、請求項59に記載の椎間板。
- 前記椎間板はさらに、前記上下端板間に配置された複数の周辺ケーブル要素を備え、各周辺ケーブル要素はさらに長さを有し、前記第1のケーブル要素は中心ケーブル要素を備え、各周辺ケーブル要素の長さは前記中心ケーブル要素の長さよりも実質的に長い、請求項59または60に記載の椎間板。
- 前記端板間に配置される膜をさらに備える、請求項59から61のいずれか一項に記載の椎間板。
- 前記膜は前記端板を囲繞している、請求項62に記載の椎間板。
- 前記膜は蛇腹を備える、請求項62または63のいずれかに記載の椎間板。
- 前記端板の少なくとも1つが、金属、ポリマー、セラミック、および複合材料からなる群から選択された、請求項59から64のいずれか一項に記載の椎間板。
- 前記端板の少なくとも1つが、皮質、海綿質、同種移植片、自家移植片、異種移植片、脱塩化または部分的に脱塩化された骨からなる群から選択された骨材料から形成されている、請求項59から65のいずれか一項に記載の椎間板。
- 前記上下端板の少なくとも1つに配置された移動抵抗構造をさらに備える、請求項59から66のいずれか一項に記載の椎間板。
- 前記上下端板の少なくとも1つに配置された永久固定手段をさらに備える、請求項59から67のいずれか一項に記載の椎間板。
- 前記上下端板の少なくとも1つに配置された移植機器の取付け、案内、または保持のための構造をさらに備える、請求項59から68のいずれか一項に記載の椎間板。
- 前記膜および上下端板は内部容量を画定する、請求項62から69に記載の椎間板。
- 前記膜はエラストマーで形成されている、請求項70に記載の椎間板。
- 前記膜は蛇腹を備える、請求項70または71に記載の椎間板。
- 前記内部容量を流体で少なくとも部分的に充填するように、容量と連通する弁をさらに備える、請求項72に記載の椎間板。
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Also Published As
Publication number | Publication date |
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EP1531765A2 (en) | 2005-05-25 |
WO2004016205A9 (en) | 2004-07-08 |
CA2495404A1 (en) | 2004-02-26 |
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EP1531765B1 (en) | 2008-07-09 |
WO2004016205A2 (en) | 2004-02-26 |
CA2495404C (en) | 2011-05-03 |
ES2310255T3 (es) | 2009-01-01 |
KR20060056264A (ko) | 2006-05-24 |
US20050197702A1 (en) | 2005-09-08 |
ATE400237T1 (de) | 2008-07-15 |
DE60322066D1 (de) | 2008-08-21 |
DE20321571U1 (de) | 2008-02-14 |
BR0313502A (pt) | 2005-07-12 |
WO2004016205A3 (en) | 2004-05-27 |
KR100984627B1 (ko) | 2010-09-30 |
JP4256345B2 (ja) | 2009-04-22 |
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