JP4382501B2 - 自然な運動機能を有する代替人工椎間板 - Google Patents
自然な運動機能を有する代替人工椎間板 Download PDFInfo
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- JP4382501B2 JP4382501B2 JP2003587290A JP2003587290A JP4382501B2 JP 4382501 B2 JP4382501 B2 JP 4382501B2 JP 2003587290 A JP2003587290 A JP 2003587290A JP 2003587290 A JP2003587290 A JP 2003587290A JP 4382501 B2 JP4382501 B2 JP 4382501B2
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- rotation
- center
- disc
- vertebral body
- alternative
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61F2/442—Intervertebral or spinal discs, e.g. resilient
- A61F2/4425—Intervertebral or spinal discs, e.g. resilient made of articulated components
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- 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
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Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Neurology (AREA)
- Heart & Thoracic Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Description
Claims (22)
- 前方部分及び後方部分を有する上部椎体の生来の終板と下部椎体の生来の終板との間に位置するように構成された代替人工椎間板であって、
前記上部椎体への固定に適合し、かつ、下部関節接合面を持つ上位部分と、
前記下部椎体への固定に適合し、かつ、前記下部面と協働する上部関節接合面を持つ下位部分と、
前記代替人工椎間板の前記上位部分と前記下位部分とが、前記上部関節接合面と前記下部関節接合面との協働により回転する際の回転の中心を回転中心として、
前記上部椎体の前記生来の終板の上に位置する1つ以上の回転中心と、
前記上部椎体の前記生来の終板の下に位置する1つ以上の回転中心と、を備えた代替人工椎間板。 - 前記下部関節接合面は凸状であり、前記上部関節接合面は凹状である請求項1記載の代替人工椎間板。
- 前記下部及び上部関節接合面の形状は、非合同である請求項1記載の代替人工椎間板。
- 前記前方部分に少なくとも1つの回転中心と前記後方部分に少なくとも1つの回転中心を含む請求項1記載の代替人工椎間板。
- 前記前方回転中心及び前記後方回転中心に対する前記上位部分と下位部分との間の協働は、球形、対称形、もしくはその両方でなされる請求項4記載の代替人工椎間板。
- 前記前方回転中心及び前記後方回転中心は、異なる鉛直方向高さにある請求項4記載の代替人工椎間板。
- 2つ以上の回転中心に対して略平滑な移動面を含む請求項1記載の代替人工椎間板。
- 並進運動、回旋、及び/または左右屈を制限する物理形状を1つ以上さらに含む請求項1記載の代替人工椎間板。
- 前方部分及び後方部分を有する上部椎体の生来の終板と下部椎体の生来の終板との間に位置するように構成され、かつ、2つ以上の回転中心を有する代替人工椎間板であって、
上部椎体への固定に適合し、かつ、下部関節接合面を持つ上位部分と、
下部椎体への固定に適合し、かつ、前記下部関節接合面と協働する上部関節接合面を持つ下位部分と、を有し、
前記回転中心は、前記代替人工椎間板の前記上位部分と前記下位部分とが、前記前記上部関節接合面と前記下部関節接合面との協働により回転する際の回転の中心であり、
前記回転中心には、
前記上部椎体の前記自然な生来の終板の上に位置する1つ以上の回転中心と、
前記上部椎体の前記自然な生来の終板の下に位置する1つ以上の回転中心と、が含まれ、
前記回転中心のうちの1つは、前記椎体の後方の3分の1の部分と前方の3分の2の部分の間に位置している代替人工椎間板。 - 前記下部関節接合面は凸状であり、前記上部関節接合面は凹状である請求項9記載の代替人工椎間板。
- 前記下部及び上部関節接合面の形状は、非合同である請求項9記載の代替人工椎間板。
- 前記前方部分に少なくとも1つの回転中心と前記後方部分に少なくとも1つの回転中心をさらに含む請求項9記載の代替人工椎間板。
- 前記前方回転中心及び前記後方回転中心に対する前記上位部分と下位部分との間の前記協働は、球形、対称形、もしくはその両方でなされる請求項12記載の代替人工椎間板。
- 2つ以上の回転中心に対して略平滑な移動面を含む請求項9記載の代替人工椎間板。
- 過度の並進運動、回旋、及び/または左右屈を制限する物理形状を1つ以上さらに含む請求項9記載の代替人工椎間板。
- 椎体の間に位置するように構成された代替人工椎間板であって、
下部関節接合面を持つ上位部分と、
前方から後方へと向けられた環状領域を介して前記下部面と協働する上部関節接合面を持つ下位部分を備え、
前記前方部分に少なくとも1つの回転中心と前記後方部分に少なくとも1つの回転中心をさらに含み、
前記回転中心は、前記代替人工椎間板の前記上位部分と前記下位部分とが、前記上部関節接合面と前記下部関節接合面との協働により回転する際の回転の中心である、代替人工椎間板。 - 前記環状領域に隣接する少なくとも1つの球形の関節接合領域をさらに含む請求項16記載の代替人工椎間板。
- 前記環状領域と前記球状領域の間に略平滑な移動部を含む請求項16記載の代替人工椎間板。
- 前記下部及び上部関節接合面は、非合同である請求項16記載の代替人工椎間板。
- 前記前方回転中心及び前記後方回転中心に対する前記上位部分と下位部分との間の前記協働は、球形、対称形、もしくはその両方である請求項16記載の代替人工椎間板。
- 並進運動、回旋、及び/または左右屈を制限する物理形状を1つ以上さらに含む請求項16記載の代替人工椎間板。
- 前記2つの部分は同数の球形面を持たない請求項16記載の代替人工椎間板。
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US44595803P | 2003-02-07 | 2003-02-07 | |
US44964203P | 2003-02-24 | 2003-02-24 | |
US10/420,423 US6706068B2 (en) | 2002-04-23 | 2003-04-22 | Artificial disc replacements with natural kinematics |
PCT/US2003/012500 WO2003090649A1 (en) | 2002-04-23 | 2003-04-23 | Artificial disc replacements with natural kinematics |
US10/512,515 US8366772B2 (en) | 2002-04-23 | 2003-04-23 | Artificial disc replacements with natural kinematics |
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JP2005523109A JP2005523109A (ja) | 2005-08-04 |
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US (8) | US6706068B2 (ja) |
EP (2) | EP2184037B1 (ja) |
JP (1) | JP4382501B2 (ja) |
AU (1) | AU2003228655B9 (ja) |
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US9381098B2 (en) | 2006-09-28 | 2016-07-05 | Spinal Kinetics, Inc. | Tool systems for implanting prosthetic intervertebral discs |
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2003
- 2003-04-22 US US10/420,423 patent/US6706068B2/en not_active Expired - Lifetime
- 2003-04-23 US US10/512,515 patent/US8366772B2/en active Active
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- 2003-04-23 JP JP2003587290A patent/JP4382501B2/ja not_active Expired - Fee Related
- 2003-04-23 AU AU2003228655A patent/AU2003228655B9/en not_active Ceased
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US9877841B2 (en) | 2018-01-30 |
EP2184037B1 (en) | 2011-10-19 |
US10299933B2 (en) | 2019-05-28 |
AU2003228655B2 (en) | 2007-09-13 |
US8366772B2 (en) | 2013-02-05 |
CA2483226A1 (en) | 2003-11-06 |
US20140303735A1 (en) | 2014-10-09 |
JP2005523109A (ja) | 2005-08-04 |
US20160030193A1 (en) | 2016-02-04 |
EP2184037A1 (en) | 2010-05-12 |
AU2003228655B9 (en) | 2008-03-13 |
US20050228497A1 (en) | 2005-10-13 |
EP1496818B1 (en) | 2010-03-31 |
US9168146B2 (en) | 2015-10-27 |
EP1496818A1 (en) | 2005-01-19 |
US20190307575A1 (en) | 2019-10-10 |
US20130131813A1 (en) | 2013-05-23 |
WO2003090649A9 (en) | 2004-06-03 |
US20030199981A1 (en) | 2003-10-23 |
EP1496818A4 (en) | 2007-01-03 |
AU2003228655A1 (en) | 2003-11-10 |
US20180116820A1 (en) | 2018-05-03 |
US8784492B2 (en) | 2014-07-22 |
WO2003090649A1 (en) | 2003-11-06 |
US9572679B2 (en) | 2017-02-21 |
CA2483226C (en) | 2008-07-08 |
US20170119545A1 (en) | 2017-05-04 |
US6706068B2 (en) | 2004-03-16 |
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