JP2008504872A - C形状椎間板プロテーゼ - Google Patents
C形状椎間板プロテーゼ Download PDFInfo
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- 238000000034 method Methods 0.000 claims abstract description 44
- 210000000278 spinal cord Anatomy 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims description 17
- 239000007943 implant Substances 0.000 abstract description 84
- 238000013459 approach Methods 0.000 abstract description 19
- 230000000087 stabilizing effect Effects 0.000 abstract description 4
- 230000008468 bone growth Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 230000008733 trauma Effects 0.000 description 2
- 208000008035 Back Pain Diseases 0.000 description 1
- 208000002193 Pain Diseases 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 229920000249 biocompatible polymer Polymers 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 210000003041 ligament Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
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- 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
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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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- A61F2/00—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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- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2/441—Joints for the spine, e.g. vertebrae, spinal discs made of inflatable pockets or chambers filled with fluid, e.g. with hydrogel
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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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- 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
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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
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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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- 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
- 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
- A61F2002/30563—Special structural features of bone or joint prostheses not otherwise provided for having elastic means or damping means, different from springs, e.g. including an elastomeric core or shock absorbers
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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
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/30841—Sharp anchoring protrusions for impaction into the bone, e.g. sharp pins, spikes
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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
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
- A61F2230/0004—Rounded shapes, e.g. with rounded corners
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0063—Three-dimensional shapes
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- Biomedical Technology (AREA)
- Neurology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Prostheses (AREA)
Abstract
【解決手段】一実施例では、後方アプローチを使用して、脊髄との接触を避けつつインプラントを隣り合う椎骨間に配置可能にする形状を有するインプラントを提供する。例えばインプラントは、隣り合う椎骨間に配置されるように構成された前部と、脊髄の周りに広がるように構成された後部とを含むことができる。いくつかの例示的な実施例では、インプラントは、隣り合う椎骨間での動きを可能にするように構成することができる。
【選択図】図2A
Description
本発明は、2004年6月30日に「C形椎間板(C-Disc)」の名称で出願された米国仮出願第60/584,055号に対して優先権を主張し、この出願を参照することにより、その全体を本明細書に組み入れる。
本発明は、脊髄インプラントと方法に関する。
病気や加齢、外傷により、体の様々な骨や椎間板、関節、靭帯に変化が生じることがある。一部の変化や外傷はしばしばそれ自体を、脊髄椎間板の損傷あるいは変性の形で表す。この状態により、しばしば慢性的な背中の痛みが生じ、この痛みは軽いものから深刻なものまである。この痛みは時には、2つの隣り合う椎体間にある椎間板を除去した後に該椎体を結合する脊椎融合により、解消できる。通常、除去した椎間板の代わりに、2つの隣り合う椎体間に人工装具を配置して、椎間板を除去したことで空いた空間を埋め、2つの椎体間での骨の成長を可能にしている。
本発明は、脊柱を安定させる様々な脊髄インプラントと方法を提供する。例示的な一実施例では、隣り合う椎骨間に配置されるように構成された前部と、脊髄の周りに広がるように構成された後部とを有する脊髄椎間板プロテーゼを提供する。いくつかの例示的な実施例では、インプラントを実質的にC形とすることができる。
いくつかの例示的な実施例を説明し、ここで開示する装置と方法の構造、機能、製造、使用の原理に対する全体的な理解を提供する。添付の図面では、それらの実施例の1つないし複数の例を例示する。当業者は、ここで詳細に説明し添付の図面で例示する装置と方法は、非限定的な例示的な実施例であり、本発明の範囲は特許請求の範囲でのみ定められるということを理解しよう。1つの例示的な実施例に関連して例示または説明する特徴は、他の実施例の特徴と組み合わせることができる。そのような変更や変形は、本発明の範囲に含まれることを意図するものとする。
(1) 脊髄椎間板プロテーゼにおいて、
ほぼC形の部材であって、
隣り合う椎骨の間に配置されるように構成され、かつ隣り合う椎骨が互いに対して関節接合できるように構成された、前部、および、
脊髄の周りに延びるように構成された後部、
を有する、ほぼC形の部材、
を具備する、プロテーゼ。
(2) 実施態様1記載のプロテーゼにおいて、
前記C形の部材の前記前部は、前記前部上に形成された第1のドーム状の面、および第2のドーム状の面、を含む、プロテーゼ。
(3) 実施態様1記載のプロテーゼにおいて、
前記C形の部材は、単一の構造を有する、プロテーゼ。
(4) 実施態様1記載のプロテーゼにおいて、
前記C形の部材の前記前部は、向かい合うアームを含み、前記向かい合うアームは、前記向かい合うアームの間に配置された中心部材を有する、プロテーゼ。
(5) 実施態様4記載のプロテーゼにおいて、
前記中心部材は、膨張可能である、プロテーゼ。
前記中心部材は、前記向かい合うアームの間に可動に配置されている、プロテーゼ。
(7) 実施態様4記載のプロテーゼにおいて、
前記中心部材は、圧縮可能な材料から形成される、プロテーゼ。
(8) 実施態様4記載のプロテーゼにおいて、
前記向かい合うアームの少なくとも1つは、前記中心部材の一部を設置するために、このアーム内に形成された開口部を含む、プロテーゼ。
(9) 実施態様4記載のプロテーゼにおいて、
前記中心部材は、前記中心部材の向かい合う側面から延びるウィングを含み、
前記C形の部材の前記前部の前記向かい合うアームは、前記ウィングを収納するために前記向かい合うアーム内に形成された開口部を含む、プロテーゼ。
(10)隣り合う椎骨の間の脊髄椎間板を置換する方法において、
前記隣り合う椎骨の間に配置された前記脊髄椎間板を除去する工程と、
プロテーゼの後部を脊髄の周りに配置し、前記プロテーゼの前部を前記隣り合う椎骨の間に配置する工程と、
を具備し、
前記プロテーゼは、前記隣り合う椎骨の動きを可能にするように構成されている、
方法。
前記プロテーゼは、後方手術アプローチ(posterior surgical approach)を使用して前記隣り合う椎骨の間に配置される、方法。
(12)実施態様10記載の方法において、
前記プロテーゼの前記前部は、前記前部の上に形成された、少なくとも1つのドーム状の面を含み、前記ドーム状の面は、前記隣り合う椎骨が前記ドーム状の面に対して関節接合できるように構成されている、方法。
(13)実施態様10記載の方法において、
前記隣り合う椎骨の間に中心部材を配置する工程、
をさらに含む、方法。
(14)実施態様13記載の方法において、
前記中心部材は、前記プロテーゼを配置する前に、前記隣り合う椎骨の間に配置され、
前記プロテーゼの前記前部は、前記中心部材の周りに配置される、
方法。
(15)実施態様10記載の方法において、
前記プロテーゼの前記前部の向かい合うアームの間に配置された中心部材を膨張させる工程、
をさらに含む、方法。
前記プロテーゼは、前記プロテーゼの前記前部が、前記隣り合う椎骨の間に配置される向かい合うアームを含むように、ほぼC形である、方法。
(17)実施態様10記載の方法において、
前記プロテーゼを配置する前に前記隣り合う椎骨の間の自然の椎間板を除去する工程、
をさらに含む、方法。
(18)隣り合う椎骨を安定させる方法において、
前記隣り合う椎骨の間に中心部材を配置する工程と、
プロテーゼの後部を脊髄の周りに配置する工程と、
前記中心部材の向かい合う横の側面に前記プロテーゼの前部の向かい合うアームを配置する工程と、
を含む、方法。
(19)実施態様18記載の方法において、
前記中心部材の向かい合う横の側面に前記プロテーゼの前部の向かい合うアームを配置する前記工程は、前記中心部材の前記向かい合う横の側面から延びるウィング部材が、前記向かい合うアーム内に形成された開口部内に収容されるように、前記向かい合うアームを前記中心部材の周りでスライドさせる工程を含む、方法。
(20)実施態様18記載の方法において、
前記中心部材は、後方−側方アプローチ(posterio-lateral approach)を使用して植え込まれ、
前記プロテーゼは、後方アプローチを使用して植え込まれる、
方法。
Claims (10)
- 脊髄椎間板プロテーゼにおいて、
ほぼC形の部材であって、
隣り合う椎骨の間に配置されるように構成され、かつ隣り合う椎骨が互いに対して関節接合できるように構成された、前部、および、
脊髄の周りに延びるように構成された後部、
を有する、ほぼC形の部材、
を具備する、プロテーゼ。 - 請求項1記載のプロテーゼにおいて、
前記C形の部材の前記前部は、前記前部上に形成された、第1のドーム状の面、および第2のドーム状の面、を含む、プロテーゼ。 - 請求項1記載のプロテーゼにおいて、
前記C形の部材は、単一の構造を有する、プロテーゼ。 - 請求項1記載のプロテーゼにおいて、
前記C形の部材の前記前部は、向かい合うアームを含み、前記向かい合うアームは、前記向かい合うアームの間に配置された中心部材を有する、プロテーゼ。 - 請求項4記載のプロテーゼにおいて、
前記中心部材は、膨張可能である、プロテーゼ。 - 請求項4記載のプロテーゼにおいて、
前記中心部材は、前記向かい合うアームの間に可動に配置されている、プロテーゼ。 - 請求項4記載のプロテーゼにおいて、
前記中心部材は、圧縮可能な材料から形成される、プロテーゼ。 - 請求項4記載のプロテーゼにおいて、
前記向かい合うアームの少なくとも1つは、前記中心部材の一部を設置するために、このアーム内に形成された開口部を含む、プロテーゼ。 - 請求項4記載のプロテーゼにおいて、
前記中心部材は、前記中心部材の向かい合う側面から延びるウィングを含み、
前記C形の部材の前記前部の前記向かい合うアームは、前記ウィングを収納するために前記向かい合うアーム内に形成された開口部を含む、プロテーゼ。 - 隣り合う椎骨の間の脊髄椎間板を置換する方法において、
前記隣り合う椎骨の間に配置された前記脊髄椎間板を除去する工程と、
プロテーゼの後部を脊髄の周りに配置し、前記プロテーゼの前部を前記隣り合う椎骨の間に配置する工程と、
を具備し、
前記プロテーゼは、前記隣り合う椎骨の動きを可能にするように構成されている、
方法。
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US58405504P | 2004-06-30 | 2004-06-30 | |
US10/908,788 US7261738B2 (en) | 2004-06-30 | 2005-05-26 | C-shaped disc prosthesis |
PCT/US2005/018869 WO2006007230A2 (en) | 2004-06-30 | 2005-05-27 | C-shaped disc prosthesis |
Publications (1)
Publication Number | Publication Date |
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JP2008504872A true JP2008504872A (ja) | 2008-02-21 |
Family
ID=35515046
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JP2007519225A Abandoned JP2008504872A (ja) | 2004-06-30 | 2005-05-27 | C形状椎間板プロテーゼ |
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Country | Link |
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US (2) | US7261738B2 (ja) |
EP (1) | EP1761216A4 (ja) |
JP (1) | JP2008504872A (ja) |
AU (1) | AU2005262655A1 (ja) |
CA (1) | CA2571488A1 (ja) |
WO (1) | WO2006007230A2 (ja) |
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-
2005
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- 2005-05-27 EP EP05756176A patent/EP1761216A4/en not_active Withdrawn
- 2005-05-27 WO PCT/US2005/018869 patent/WO2006007230A2/en not_active Application Discontinuation
- 2005-05-27 JP JP2007519225A patent/JP2008504872A/ja not_active Abandoned
- 2005-05-27 CA CA002571488A patent/CA2571488A1/en not_active Abandoned
- 2005-05-27 AU AU2005262655A patent/AU2005262655A1/en not_active Abandoned
-
2007
- 2007-07-23 US US11/781,688 patent/US7534269B2/en active Active
Also Published As
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EP1761216A4 (en) | 2009-04-08 |
AU2005262655A1 (en) | 2006-01-19 |
US7534269B2 (en) | 2009-05-19 |
US20060004452A1 (en) | 2006-01-05 |
CA2571488A1 (en) | 2006-01-19 |
US20080015703A1 (en) | 2008-01-17 |
WO2006007230A2 (en) | 2006-01-19 |
US7261738B2 (en) | 2007-08-28 |
EP1761216A2 (en) | 2007-03-14 |
WO2006007230A3 (en) | 2006-10-05 |
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