JP5166764B2 - 脊椎インプラント - Google Patents
脊椎インプラント Download PDFInfo
- Publication number
- JP5166764B2 JP5166764B2 JP2007111229A JP2007111229A JP5166764B2 JP 5166764 B2 JP5166764 B2 JP 5166764B2 JP 2007111229 A JP2007111229 A JP 2007111229A JP 2007111229 A JP2007111229 A JP 2007111229A JP 5166764 B2 JP5166764 B2 JP 5166764B2
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- JP
- Japan
- Prior art keywords
- bone
- chamber
- primary
- interface
- base member
- 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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- 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
- 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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- 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
- A61F2/44—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
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- 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
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
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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
- A61F2/28—Bones
- A61F2002/2835—Bone graft implants for filling a bony defect or an endoprosthesis cavity, e.g. by synthetic material or biological material
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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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30003—Material related properties of the prosthesis or of a coating on the prosthesis
- A61F2002/30004—Material related properties of the prosthesis or of a coating on the prosthesis the prosthesis being made from materials having different values of a given property at different locations within the same prosthesis
- A61F2002/30056—Material related properties of the prosthesis or of a coating on the prosthesis the prosthesis being made from materials having different values of a given property at different locations within the same prosthesis differing in radiographic density
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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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30108—Shapes
- A61F2002/30199—Three-dimensional shapes
- A61F2002/302—Three-dimensional shapes toroidal, e.g. rings
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- A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
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- A61F2002/30332—Conically- or frustoconically-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
- 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
- A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2002/30433—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements using additional screws, bolts, dowels, rivets or washers e.g. connecting screws
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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
- A61F2002/30476—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism
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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
- 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
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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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- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30576—Special structural features of bone or joint prostheses not otherwise provided for with extending fixation tabs
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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
- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2220/0041—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements using additional screws, bolts, dowels or rivets, e.g. connecting screws
-
- 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
- A61F2230/0063—Three-dimensional shapes
- A61F2230/0065—Three-dimensional shapes toroidal, e.g. ring-shaped, doughnut-shaped
-
- 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
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0014—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
- A61F2250/0032—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in radiographic density
-
- 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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00011—Metals or alloys
- A61F2310/00023—Titanium or titanium-based alloys, e.g. Ti-Ni alloys
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- 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)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
- Surgical Instruments (AREA)
Description
Claims (30)
- 融合材料を受けるための周囲が囲まれた骨チャンバ(192)を形成する一次部材(100)と前記一次部材に対してある角度をなして延びる二次部材(110)とを有して、2以上の骨体部と相互作用するように構成されたベース部材(20)と、前記ベース部材の少なくとも1つの表面から延び、少なくとも1つの骨体部内へのインプラントデバイスの制御された沈下をもたらすように構成された複数のインターフェース部材(30)と、前記ベース部材に設けられた孔を通して延びる複数の骨留め具(50)とを備えたインプラントデバイスであって、
前記一次部材(100)は、前記骨チャンバ(192)の一部を構成する取り外し可能なチャンバ部材(196)を備え、
前記取り外し可能なチャンバ部材(196)は、前記一次部材に設けられた取付面(197)に面一に突き合わされる取付面(197)を有し、
前記取り外し可能なチャンバ部材及び前記一次部材はそれぞれの取付面(197)同士が突き合わされて締結されること、
を特徴とするインプラントデバイス。 - 前記ベース部材(20)の一部が、ラジオルーセント材料を含む請求項1に記載のデバイス。
- 前記ベース部材(20)の一部は、放射線不透過性材料を含む請求項1に記載のデバイス。
- 前記一次部材(20)は、該一次部材を貫通する骨留め具(50)を受けるように構成された少なくとも1つの孔を有し、前記二次部材(110)は、該二次部材を貫通する骨留め具(50)を受けるように構成された少なくとも1つの孔を有する請求項1に記載のデバイス。
- 前記ベース部材(20)に設けられた孔を通して延びる少なくとも1つの骨留め具(50)の運動を制限するための抑制手段を更に備えている請求項1に記載のデバイス。
- 前記一次部材(100)は、第1の脚部(120)及び第2の脚部(130)を更に備え、前記第1及び第2の脚部は、前記取外し可能なチャンバ部材が前記一次部材に取り付けられていないときに、融合材料を受けるための湾曲した開放領域を形成する請求項1に記載のデバイス。
- 前記取外し可能なチャンバ部材(196)が前記一次部材(100)の前記第1の脚部(120)及び前記第2の脚部(130)に連結された際に前記融合部材を受けるための周囲が囲まれたチャンバ(192)が形成される請求項6に記載のデバイス。
- 前記取外し可能なチャンバ部材(196)は、該チャンバ部材の内面から延びる少なくとも1つの内部部材(194)を更に備え、前記少なくとも1つの内部部材(194)は、前記融合部材を受けるための周囲が囲まれたチャンバ(192)を少なくとも2つの内部区画に分割するように構成されていて、前記内部部材(194)は、前記一次部材に設けられた取付面と整合する取付面を有している請求項1に記載のデバイス。
- 融合部材を受けるための前記周囲が囲まれたチャンバ(192)は、少なくとも2つの内部区画を備えている請求項1に記載のデバイス。
- 前記孔の少なくとも1つは、前記制御された沈下が行なわれる間の、前記スロットに沿ったそれぞれの骨留め具の相対的な変位を可能にするように構成された細長いスロットである請求項4に記載のデバイス。
- 前記複数のインターフェース部材(30)は、前記制御された沈下が行なわれる間に前記骨体部内に貫入する寸法延長部を有し、それぞれの骨留め具は、前記ネジの変位が前記骨体部内への前記複数のインターフェース部材(30)の貫入沈下に一致するように前記スロット内に配置されている請求項10に記載のデバイス。
- 前記制御された沈下が行なわれる間に、少なくとも1つの留め具と前記ベース部材(20)との間で相対的スライド運動が生じない請求項1に記載のデバイス。
- 前記制御された沈下が行なわれる間に、前記複数の留め具と前記ベース部材との間で相対的スライド運動が生じない請求項1に記載のデバイス。
- 前記制御された沈下は、少なくとも1つのインターフェース部材の前記骨体部内への貫入寸法と関係していて、少なくとも1つの骨留め具は、前記ベース部材に対してスライドし得るようになっており、前記少なくとも1つの骨留め具のベース部材に対する変位量は、零変位量を含み、前記貫入寸法に等しい変位量は含まない範囲にある請求項1に記載のデバイス。
- 前記制御された沈下が行なわれる間に少なくとも1つの骨留め具(50)と前記ベース部材との間で相対的スライド運動が生じ、前記相対的スライド運動は、前記制御された沈下が行なわれている間のある時点で抑止される請求項1に記載のデバイス。
- 前記相対的スライド運動は、前記制御された沈下の完了時に抑止される請求項15に記載のデバイス。
- 前記複数のインターフェース部材(30)は、前記一次部材の頂面及び底面から延びている請求項1に記載のデバイス。
- 前記一次部材の前記頂面から延びる前記インターフェース部材(30)の高さは、前記一次部材の前記底面から延びる前記インターフェース部材とほぼ同じ高さである請求項17に記載のデバイス。
- 前記複数のインターフェース部材(30)は、前記一次部材の頂面から延びている請求項1に記載のデバイス。
- 前記複数のインターフェース部材(30)は、前記一次部材の前記底面から延びている請求項1に記載のデバイス。
- 前記孔の少なくとも1つは、少なくとも1つのインターフェース部材(30)の高さよりも大きい長さを有する細長いスロットである請求項4に記載のデバイス。
- 前記細長いスロットの前記長さは、いかなる単一のインターフェース部材(30)の高さよりも大きい請求項21に記載のデバイス。
- 前記孔の少なくとも1つは、いかなる単一インターフェース部材(30)の高さよりも小さい長さを有する細長いスロットである請求項4に記載のデバイス。
- 前記孔の少なくとも1つは細長いスロット(180)であり、前記制御された沈下が行なわれる間に、少なくとも1つのインターフェース部材がほぼ完全に貫入する前に、それぞれの骨留め具が前記細長いスロットの前記端部のところに達する請求項4に記載のデバイス。
- 前記孔の少なくとも1つは細長いスロットであり、それぞれの骨留め具は、前記細長いスロットの端部に到達し、前記インターフェース部材が前記骨体部内に更に入り込んでいくことが可能になるように前記スロット内でトグル動作を行う請求項4に記載のデバイス。
- 前記ベース部材内の少なくとも1つの孔は、ほぼ凹状の半球形座部を有し、前記孔を通り抜ける前記骨留め具が前記座部上でピボット運動しトグル動作することを可能にする請求項4に記載のデバイス。
- 前記一次部材および取り外し可能なチャンバ部材(196)は、互いに整合する取付孔(210)を有していて、該取付孔を貫通した留め具により前記一次部材とチャンバ部材とが締結される請求項1に記載のデバイス。
- 前記一次部材及び取り外し可能なチャンバ部材(196)は、嵌め合わされるペグ(199)及びスロットを有していて、該ペグとスロットとが嵌まり合うことにより前記チャンバ部材が一次部材に取り付けられる請求項1に記載のデバイス。
- 前記ペグ及びスロットは接着剤により固定される請求項28に記載のデバイス。
- 前記複数のインターフェイス部材(30)の少なくとも一つは前記一次部材(100)に設けられ、前記複数のインターフェイス部材の少なくとも一つは前記取外し可能なチャンバ部材(196)に設けられている請求項1に記載のデバイス。
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US74529406P | 2006-04-21 | 2006-04-21 | |
US60/745,294 | 2006-04-21 | ||
US11/620,255 | 2007-01-05 | ||
US11/620,255 US8100976B2 (en) | 2003-04-21 | 2007-01-05 | Implant subsidence control |
US11/735,723 US9278009B2 (en) | 2003-04-21 | 2007-04-16 | Spine implants |
US11/735,723 | 2007-04-20 |
Publications (2)
Publication Number | Publication Date |
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JP2008283992A JP2008283992A (ja) | 2008-11-27 |
JP5166764B2 true JP5166764B2 (ja) | 2013-03-21 |
Family
ID=38353056
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2007111229A Expired - Fee Related JP5166764B2 (ja) | 2006-04-21 | 2007-04-20 | 脊椎インプラント |
Country Status (7)
Country | Link |
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US (1) | US9278009B2 (ja) |
EP (1) | EP1847240B1 (ja) |
JP (1) | JP5166764B2 (ja) |
AT (1) | ATE533446T1 (ja) |
AU (1) | AU2007201769A1 (ja) |
BR (1) | BRPI0706077A (ja) |
ES (1) | ES2377732T3 (ja) |
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JP2008283992A (ja) | 2008-11-27 |
EP1847240A1 (en) | 2007-10-24 |
AU2007201769A1 (en) | 2007-11-08 |
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