JP2013000589A - 身体に椎間インプラントを挿入するための装置、そのシステム、および椎間インプラントと椎間インプラントを挿入するための装置とを接続する方法 - Google Patents
身体に椎間インプラントを挿入するための装置、そのシステム、および椎間インプラントと椎間インプラントを挿入するための装置とを接続する方法 Download PDFInfo
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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
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- 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
- A61F2/4465—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 having a circular or kidney shaped cross-section substantially perpendicular to the axis of the spine
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- 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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
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Abstract
【解決手段】椎間インプラントは、第一の椎間体と係合するように構成された上面2と、第二の椎間体と係合するように構成された底面3と、上面と底面とをつなぐ側壁4と、側壁に設けられる長開口8とを有し、長開口の長さは高さより大きい。装置は、自由端部と、長開口の長さより小さい径とを有する可撓端部21を備える。可撓端部は、長開口に挿入されるように設定された第一状態と、インプラントと装置とを接続するためにインプラントに係合するように設定された第二状態となることができる。可撓端部は、ストッパ28a、28bを有し、ストッパは自由端部から所定距離をおいて設けられ、長開口を通じた可撓端部のインプラントへの挿入を制限する。
【選択図】図2
Description
既存の椎間インプラントを挿入装置に適合するように改造することができる。
Claims (16)
- 椎間インプラントを体に挿入するための装置であって、椎間インプラントは、第一椎間体と係合するように構成された上面(2)と、第二椎間体と係合するように構成された底面(3)と、上面(2)と底面(3)とをつなぐ側壁(4)と、側壁(4)に設けられる長開口(8)とを有し、長開口の長さは高さより大きく、
装置は、
自由端部と、長開口の長さより小さい径とを有する可撓端部(21)を備え、可撓端部は、開口(8)に挿入されるように構成された第一状態と、インプラントと装置とを接続するようにインプラントに係合するように構成された第二状態とになることができ、可撓端部は、ストッパ(28a、28b)を有し、ストッパは自由端部から所定距離をおいて設けられ、長開口を通じた可撓端部のインプラントへの挿入を制限する、椎間インプラントを体に挿入するための装置。 - 可撓端部(21)は、第一状態において開口(8)を通って取り外すことができる、請求項1に記載の装置。
- 可撓端部(21)は、自由端に外方突部(25a、25b)を有し、自由端から所定距離を置いた位置に外方突部(28a、28b)を有し、所定距離は、第二状態においてインプラントが装置によって保持されるように、長開口(8)の周りの壁の厚さよりも大きい、請求項1または2に記載の装置。
- 外方突部は、長開口(8)の高さ方向に延在する、請求項3に記載の装置。
- 可撓端部(21)は、少なくとも1つのスロット(24)により分離された少なくとも2つの舌部(23a、23b)を有する、請求項1から4のいずれか1項に記載の装置。
- 可撓端部(21)は、長開口(8)の縁(8a、8b)に沿って摺動可能に構成された自由端部に、面取りされた面部(26a、26b)を有する、請求項1から5のいずれか1項に記載の装置。
- 可撓端部(21)は、面取りされた面部(27a、27b)を有し、面部は、自由端の反対側を向き、長開口(8)の縁(8a、8b)に沿って摺動可能に構成される、請求項1から6のいずれか1項に記載の装置。
- 拡張要素(40)が可撓端部(21)に摺動可能に設けられた、請求項1から7のいずれか1項に記載の装置。
- 拡張要素はピン(40)であり、可撓端部が圧縮および拡張可能な第一後退位置と、可撓端部に突出して可撓端部が圧縮されないようにする第二突出位置とに配置することができる、請求項8に記載の装置。
- ストッパ(28a、28b)は、長開口周りのインプラントの側壁(4)の湾曲部に対応した湾曲形状を有する、請求項1から9のいずれか1項に記載の装置。
- 可撓端部(21)および拡張要素(40)は、それぞれハンドル(50)のグリップ部(51、52)に接続される、請求項7から10のいずれか1項に記載の装置。
- ハンドル(50)は、拡張要素(40)と可撓端部(21)とを相対的に動かすよう構成された、請求項11に記載の装置。
- 椎間インプラント(1)と、体に椎間インプラントを挿入するための装置(20)とを備えるシステムであって、椎間インプラントは、第一の椎間体と係合するように構成された上面(2)と、第二の椎間体と係合するように構成された底面(3)と、上面(2)と底面(3)とをつなぐ側壁(4)と、側壁(4)に設けられる長開口(8)とを有し、
挿入装置は、請求項1から12のいずれか1項に記載の装置を含む、システム。 - 長開口(8)は長手方向に弓形状を有し、可撓端部(21)は開口の弓形状に対応した弓形部(25a、25b;28a、28b)を有する、請求項13に記載のシステム。
- 椎間インプラント(1)を椎間インプラント挿入装置(20)に接続する方法であって、椎間インプラントは、第一の椎間体と係合するように構成された上面(2)と、第二の椎間体と係合するように構成された底面(3)と、上面(2)と底面(3)とをつなぐ側壁(4)と、側壁(4)に設けられる長開口(8)とを有し、長開口の長さは高さより大きく、挿入装置は、請求項1から12のうちの1項に記載の装置を有し、
方法は、
可撓端部(21)を開口の高さ方向に圧縮して開口に挿入し、可撓端部を高さ方向に拡張してインプラントを挿入装置に接続するステップを備える、方法。 - 挿入装置を長開口に沿って長手方向においてガイドするステップをさらに備える、請求項15に記載の方法。
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EP11169886.6A EP2535022B1 (en) | 2011-06-14 | 2011-06-14 | Device for inserting an intervertebral implant into a body and system comprising an intervertebral implant and a device for inserting the same |
EP11169886.6 | 2011-06-14 | ||
US61/496,804 | 2011-06-14 |
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JP2013000589A true JP2013000589A (ja) | 2013-01-07 |
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EP2535022B1 (en) | 2015-10-07 |
ES2555065T3 (es) | 2015-12-28 |
EP2535022A1 (en) | 2012-12-19 |
US20130006362A1 (en) | 2013-01-03 |
KR20120138662A (ko) | 2012-12-26 |
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