JP6543248B2 - 人工椎間板装置及び関連する使用方法 - Google Patents
人工椎間板装置及び関連する使用方法 Download PDFInfo
- Publication number
- JP6543248B2 JP6543248B2 JP2016531886A JP2016531886A JP6543248B2 JP 6543248 B2 JP6543248 B2 JP 6543248B2 JP 2016531886 A JP2016531886 A JP 2016531886A JP 2016531886 A JP2016531886 A JP 2016531886A JP 6543248 B2 JP6543248 B2 JP 6543248B2
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- Prior art keywords
- end plate
- disc
- intervertebral disc
- prosthetic
- core
- Prior art date
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Links
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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
- A61F2/442—Intervertebral or spinal discs, e.g. resilient
- A61F2002/4435—Support means or repair of the natural disc wall, i.e. annulus, e.g. using plates, membranes or meshes
-
- 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
- A61F2002/448—Joints for the spine, e.g. vertebrae, spinal discs comprising multiple adjacent spinal implants within the same intervertebral space or within the same vertebra, e.g. comprising two adjacent spinal implants
- A61F2002/4485—Joints for the spine, e.g. vertebrae, spinal discs comprising multiple adjacent spinal implants within the same intervertebral space or within the same vertebra, e.g. comprising two adjacent spinal implants comprising three or more adjacent spinal implants
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Neurology (AREA)
- Vascular Medicine (AREA)
- Transplantation (AREA)
- Heart & Thoracic Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Cardiology (AREA)
- Prostheses (AREA)
Description
本開示の様々な実施形態は一般的に人工椎間板装置ならびに関連するシステム及び方法に関する。より具体的には、本開示は、患者の椎間円板を修復及び/または交換するための装置、システム、及び方法に関する。
脊椎は、椎骨として知られるいくつかの個々の骨で構成される。椎骨は、脊椎の異なる領域において、サイズ、形状、及び機能が異なる。頸椎は首の骨を成し、頭の動作のうちのほとんどを提供する。胸椎は肋骨の錨としての役割を果たし、比較的不動である。脊椎の基部に位置付けられる腰椎は最も大きい椎骨であり、躯幹の動作及び関節運動を可能にする。
本開示は、人工椎間板の実施形態及び関連する使用方法に関する。
本明細書に組み込まれ、その一部を構成する添付の図面は、様々な例示的実施形態を図示し、説明とともに、開示される実施形態の原理を説明する役割を果たす。
これより本開示の実施形態への参照が詳細になされ、これらの実施例は添付の図面に図示される。可能な場合はなるべく、同一または類似の部分を指すために、図面を通して同一の参照番号が使用される。
Claims (13)
- 二重凸状上表面及び凹状下表面を有する上端板と、
二重凸状下表面を有する下端板と、
前記上端板と前記下端板との間に配設されるコア組立体と、
前記上端板及び前記下端板の両方の外表面上に配設される支持組立体であって、前記上端板を前記下端板に結合するように構成される、支持組立体と、を備え、
前記支持組立体が、
前記上端板の外表面に配設される第1の溝と、
前記下端板の外表面に配設される第2の溝と、を含む、人工椎間板。 - 前記コア組立体が、
前記上端板の前記凹状下表面に接触するように構成される凸状上表面を備える上コアと、
前記上コア及び前記下端板を接続するように構成される可撓性下コアと、を含む、請求項1に記載の前記人工椎間板。 - 前記支持組立体が、前記第1及び第2の溝内に配設される鞘を更に含む、請求項1に記載の前記人工椎間板。
- 前記第1の溝内に配設される少なくとも1つの開孔と、
前記第2の溝内に配設される少なくとも1つの開孔と、
前記鞘ならびに前記第1及び第2の溝の両方の前記少なくとも1つの開孔を通して配設される複数の締結具と、を更に含む、請求項3に記載の前記人工椎間板。 - 前記上端板の前記上表面上に位置付けられる第1の鋸歯状キールと、
前記下端板の前記下表面上に位置付けられる第2の鋸歯状キールと、を更に備える、請求項1に記載の前記人工椎間板。 - 前記上端板及び下端板のうちの少なくとも1つが、骨の上方成長を亢進するように構成される、請求項5に記載の前記人工椎間板。
- 前記上端板または前記下端板の前記二重凸状表面のうちの少なくとも1つから延びる突起であって、部分的に球状、部分的に樽形、または部分的に円柱状である、突起を更に含む、請求項5に記載の前記人工椎間板。
- 前記上端板、前記コア組立体、及び前記下端板が、第1の軸に沿って積み重なり、
前記第1の鋸歯状キールまたは第2の鋸歯状キールが、前記第1の軸に沿って、前記突起よりも更に外側に延びる、請求項7に記載の前記人工椎間板。 - 人工椎間板を有する人工椎間板組立体であって、
二重凸状上表面及び凹状下表面を有する上端板と、
二重凸状下表面を有する下端板と、
前記上端板及び前記下端板にしっかりと固定されるコア組立体であって、前記上端板及び前記下端板が、前記コア組立体の弾性のみによって互いに対して関節運動する、コア組立体と、を備え、
前記人工椎間板の外部表面が、前記人工椎間板が椎体間に設置されたときに、前記外部表面が骨の上方成長を促進しないように構成される、前記人工椎間板組立体。 - 1対の椎体の間に前記人工椎間板を保持するように構成される被覆板を更に含む、請求項9に記載の前記人工椎間板組立体。
- 前記被覆板が、形状記憶材料から形成される、請求項10に記載の前記人工椎間板。
- 前記コア組立体が、外表面から延びる少なくとも1つの固定機構であって、
前記コア組立体と同一の材料から形成され、
圧縮力が適用されると、静止位置から半径方向内向きに圧縮されるように構成され、かつ
前記圧縮力が除去されると、前記静止位置に向かって移動する、固定機構を含む、請求項9に記載の前記人工椎間板。 - 前記上端板または前記下端板の前記二重凸状表面のうちの少なくとも1つから延びる突起であって、部分的に球状、部分的に樽形、または部分的に円柱状である、突起を更に含む、請求項9に記載の前記人工椎間板。
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US13/955,477 | 2013-07-31 | ||
US13/955,477 US9198770B2 (en) | 2013-07-31 | 2013-07-31 | Artificial disc devices and related methods of use |
PCT/US2014/049043 WO2015017614A1 (en) | 2013-07-31 | 2014-07-31 | Artificial disc devices and related methods of use |
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EP3027147A4 (en) | 2016-08-31 |
US9937051B2 (en) | 2018-04-10 |
EP3027147A1 (en) | 2016-06-08 |
US9198770B2 (en) | 2015-12-01 |
JP2016525433A (ja) | 2016-08-25 |
EP3027147B1 (en) | 2022-03-23 |
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US20150039089A1 (en) | 2015-02-05 |
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