JP4471969B2 - 脊椎固定装置及び脊椎固定装置用キット - Google Patents
脊椎固定装置及び脊椎固定装置用キット Download PDFInfo
- Publication number
- JP4471969B2 JP4471969B2 JP2006504179A JP2006504179A JP4471969B2 JP 4471969 B2 JP4471969 B2 JP 4471969B2 JP 2006504179 A JP2006504179 A JP 2006504179A JP 2006504179 A JP2006504179 A JP 2006504179A JP 4471969 B2 JP4471969 B2 JP 4471969B2
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- Prior art keywords
- fixation device
- spinal fixation
- plate
- plates
- intervertebral
- 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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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7059—Cortical plates
-
- 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
- A61F2/4455—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages
-
- A—HUMAN NECESSITIES
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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
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
- A61F2/4611—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof of spinal prostheses
-
- A—HUMAN NECESSITIES
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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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- A61F2/3094—Designing or manufacturing processes
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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
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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
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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
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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
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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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- A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2002/30331—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementarily-shaped recess, e.g. held by friction fit
- A61F2002/30378—Spherically-shaped protrusion and recess
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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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- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
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- A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2002/30476—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism
- A61F2002/30507—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism using a threaded locking member, e.g. a locking screw or a set screw
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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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- A61F2002/30576—Special structural features of bone or joint prostheses not otherwise provided for with extending fixation tabs
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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
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- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30593—Special structural features of bone or joint prostheses not otherwise provided for hollow
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Description
このようにすると、椎間インプラントに接続された2つのプレートをいくつかの自由度で互いから独立して移動させることができ、安定した角度で所望の後位に固定することができる。本発明による装置の重要な利点は、多層脊椎固定術を行うことも可能であり、隣り合う椎間インプラントが互いに直接接続することができることである。これによって特に高度の安定性、ひいては信頼性が提供される。従って椎間インプラントおよびプレートは特に安定したユニットを形成する。異なる大きさの椎間インプラントを組み合わせることもでき、異なるプレートによって安定した角度で互いに接続することができる。特に、脊柱の異なる曲率への且つ椎間インプラントと脊椎との間の異なる距離への適応も可能となる。本発明は、塑性変形せず、例えばチタンまたは複合材料で作成されたプレートに特に適している。
・それぞれ3つの自由度を有する係止可能なボールジョイント
・異なる長さの様々なプレート(L字形のプレートおよびZ字形のプレートの両方)
・異なる大きさの様々な椎間インプラント
によるものである。
2:装置
3:椎間インプラント
4:プレート
4a:アーム
4b:アーム
5:プレート
5a:アーム
5b:アーム
5c:中央領域
6:貫通穴
7:ボール頭ねじ
8:ツールソケット
9:ヘッド
10:下面
11:ネック
12:ねじ込みシャンク
13:穴
14:面
15:面
16:内面
17:貫通穴
18:結合部
19:貫通穴
20:貫通部
21乃至23:脊椎(椎体)
24:脊柱
25:骨ねじ
26:前面
27:窪み
28:貫通穴
29乃至31:二重の矢印
32:直線状のプレート
33:短いプレート
P:中心点
Claims (16)
- 頸椎の前方体間脊椎固定術のための脊椎固定装置であって、
骨のブリッジが形成される貫通部を有する少なくとも一つの椎間インプラントと、
前記椎間インプラントおよび隣り合う脊椎に接続され、互いから一定の距離で配置された少なくとも二つのプレートと
を備え、
前記プレートが、少なくとも一方の端部に半球状の突出した結合部を有し、
前記結合部が、係止ねじを係止するための貫通孔を有し、かつ、ボールジョイントが形成されるように前記椎間インプラントの半球窪みに係合することを特徴とする脊椎固定装置。 - 前記プレートの少なくとも一つが、Z字形、I字形又はL字形の構成を有することを特徴とする請求項1に記載の脊椎固定装置。
- 少なくとも一つの前記プレートが、Z字形の構成を有し、脊柱の縦軸に対して横方向に延びる中央領域に、骨ねじのための少なくとも一つの孔を有し、前記骨ねじにより前記脊椎に接続されることを特徴とする請求項1又は2に記載の脊椎固定装置。
- 前記中央領域に、二つの前記孔が、互いから一定の距離で配置されたことを特徴とする請求項3に記載の脊椎固定装置。
- 前記Z字形の構成を有するプレートが、両方の端部に前記結合部を有することを特徴とする請求項3又は4に記載の脊椎固定装置。
- 少なくとも二つの前記プレートが、L字形の構成を有し、前記椎間インプラントに接続されることを特徴とする請求項1〜5のいずれかに記載の脊椎固定装置。
- 前記L字形の構成を有するプレートが、脊柱の縦軸に対して横方向に延びるアームに、互いから一定の距離で配置された、骨ねじのための少なくとも二つの孔を有することを特徴とする請求項6に記載の脊椎固定装置。
- 少なくとも一つの前記プレートが、I字形の構成を有し、両方の端部に前記結合部を有し、中央部に、骨ねじのための孔を有し、前記骨ねじにより前記脊椎に接続されることを特徴とする請求項1〜7のいずれか一項に記載の脊椎固定装置。
- 少なくとも二つの前記プレートが、I字形の構成を有し、一方の端部に前記結合部を有し、他方の端部に、骨ねじのための孔を有し、前記骨ねじにより前記脊椎に接続されることを特徴とする請求項1〜8のいずれか一項に記載の脊椎固定装置。
- 少なくとも二つの前記椎間インプラントと、少なくとも一つのZ字形の構成を有する前記プレートと、少なくとも二つのL字形の構成を有する前記プレートとを備え、前記Z字形の構成を有するプレートが、前記脊椎及び該脊椎を挟む前記椎間インプラントに接続されることを特徴とする請求項1〜9のいずれか一項に記載の脊椎固定装置。
- 少なくとも二つの前記椎間インプラントと、少なくとも一つのI字形の構成を有する前記プレートと、少なくとも二つのL字形の構成を有する前記プレートとを備え、前記I字形の構成を有するプレートが、前記脊椎及び該脊椎を挟む前記椎間インプラントに接続されることを特徴とする請求項1〜9のいずれか一項に記載の脊椎固定装置。
- 少なくとも二つの前記椎間インプラントと、少なくとも二つのI字形の構成を有する前記プレートと、少なくとも二つのL字形の構成を有する前記プレートとを備え、前記I字形の構成を有するプレートが、前記脊椎を介して前記椎間インプラントどうしを接続することを特徴とする請求項1〜9のいずれか一項に記載の脊椎固定装置。
- 前記椎間インプラント及び/又は前記プレートの材料が、X線透過材料であることを特徴とする請求項1〜12のいずれか一項に記載の脊椎固定装置。
- 複数の前記係止ねじ及び複数の骨ねじを備えたことを特徴とする請求項1〜13のいずれか一項に記載の脊椎固定装置。
- 前記係止ねじは、その下面にほぼ半球状のねじ頭を有するボール頭ねじであることを特徴とする請求項1〜14のいずれか一項に記載の脊椎固定装置。
- 脊椎固定装置を製造するための脊椎固定装置用キットであって、
前記脊椎固定装置が、上記請求項1〜15のいずれか一項の脊椎固定装置であることを特徴とする脊椎固定装置用キット。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03405284A EP1470803A1 (de) | 2003-04-23 | 2003-04-23 | Vorrichtung für die Spondylodese |
PCT/CH2004/000244 WO2004093749A1 (de) | 2003-04-23 | 2004-04-23 | Vorrichtung für die spondylodese |
Publications (2)
Publication Number | Publication Date |
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JP2006524071A JP2006524071A (ja) | 2006-10-26 |
JP4471969B2 true JP4471969B2 (ja) | 2010-06-02 |
Family
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JP2006504179A Expired - Fee Related JP4471969B2 (ja) | 2003-04-23 | 2004-04-23 | 脊椎固定装置及び脊椎固定装置用キット |
Country Status (10)
Country | Link |
---|---|
US (1) | US7628816B2 (ja) |
EP (2) | EP1470803A1 (ja) |
JP (1) | JP4471969B2 (ja) |
AT (1) | ATE394088T1 (ja) |
AU (1) | AU2004231288B2 (ja) |
CA (1) | CA2521526C (ja) |
DE (1) | DE502004007060D1 (ja) |
ES (1) | ES2307010T3 (ja) |
PL (1) | PL1615598T3 (ja) |
WO (1) | WO2004093749A1 (ja) |
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-
2003
- 2003-04-23 EP EP03405284A patent/EP1470803A1/de not_active Withdrawn
-
2004
- 2004-04-23 AU AU2004231288A patent/AU2004231288B2/en not_active Ceased
- 2004-04-23 AT AT04729023T patent/ATE394088T1/de active
- 2004-04-23 ES ES04729023T patent/ES2307010T3/es not_active Expired - Lifetime
- 2004-04-23 JP JP2006504179A patent/JP4471969B2/ja not_active Expired - Fee Related
- 2004-04-23 US US10/554,062 patent/US7628816B2/en active Active
- 2004-04-23 DE DE502004007060T patent/DE502004007060D1/de not_active Expired - Lifetime
- 2004-04-23 WO PCT/CH2004/000244 patent/WO2004093749A1/de active IP Right Grant
- 2004-04-23 PL PL04729023T patent/PL1615598T3/pl unknown
- 2004-04-23 EP EP04729023A patent/EP1615598B1/de not_active Expired - Lifetime
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Also Published As
Publication number | Publication date |
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US7628816B2 (en) | 2009-12-08 |
DE502004007060D1 (de) | 2008-06-19 |
ES2307010T3 (es) | 2008-11-16 |
EP1615598B1 (de) | 2008-05-07 |
EP1470803A1 (de) | 2004-10-27 |
AU2004231288A1 (en) | 2004-11-04 |
JP2006524071A (ja) | 2006-10-26 |
ATE394088T1 (de) | 2008-05-15 |
AU2004231288B2 (en) | 2009-08-13 |
CA2521526A1 (en) | 2004-11-04 |
PL1615598T3 (pl) | 2008-10-31 |
CA2521526C (en) | 2011-08-09 |
US20070213820A1 (en) | 2007-09-13 |
WO2004093749A1 (de) | 2004-11-04 |
EP1615598A1 (de) | 2006-01-18 |
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