JPH11513601A - ケージと回転体を有する椎間インプラント - Google Patents
ケージと回転体を有する椎間インプラントInfo
- Publication number
- JPH11513601A JPH11513601A JP9516161A JP51616197A JPH11513601A JP H11513601 A JPH11513601 A JP H11513601A JP 9516161 A JP9516161 A JP 9516161A JP 51616197 A JP51616197 A JP 51616197A JP H11513601 A JPH11513601 A JP H11513601A
- Authority
- JP
- Japan
- Prior art keywords
- cage
- rotating body
- implant
- implant according
- front wall
- 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.)
- Granted
Links
Classifications
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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
- A61F2/446—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 elliptical cross-section substantially parallel to the axis of the spine, e.g. cylinders or frustocones
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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
- A61F2/447—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 substantially parallelepipedal, e.g. having a rectangular or trapezoidal cross-section
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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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- 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
- A61F2/30721—Accessories
- A61F2/30744—End caps, e.g. for closing an endoprosthetic cavity
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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
- A61F2/442—Intervertebral or spinal discs, e.g. resilient
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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
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
- A61F2/4611—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof of spinal prostheses
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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
- A61F2002/30108—Shapes
- A61F2002/3011—Cross-sections or two-dimensional shapes
- A61F2002/30138—Convex polygonal shapes
- A61F2002/30153—Convex polygonal shapes rectangular
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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
- A61F2002/3011—Cross-sections or two-dimensional shapes
- A61F2002/30138—Convex polygonal shapes
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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
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- A61F2002/3021—Three-dimensional shapes conical frustoconical
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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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
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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
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- A61F2002/30108—Shapes
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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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- A61F2310/00005—The prosthesis being constructed from a particular material
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Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Neurology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Transplantation (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Surgery (AREA)
- Physical Education & Sports Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Prostheses (AREA)
- Dental Prosthetics (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.2つの側面(13、14)、1つの正面壁(15)、および1つの後部壁( 16)を有し、上面とベース面(11、12)に開口部のあるフレーム状ケージ (1)を備えた椎間インプラントにおいて、 A)回転体(2)は回転可能にケージ(1)内に取り付けられていて、その際 に回転体(2)の外被面は螺旋状構造物(21)を備えていること; B)該螺旋状構造物(21)はケージ(1)の上面とベース面(11、12) から突き出ていること;および C)正面壁(15)は駆動工具を差し込むための開口部(17)を呈している こと(該駆動工具によって回転体(2)をケージ(1)内で回転させることが可 能である)を特徴とするインプラント。 2.回転体(2)は中空状に形成され、その正面壁(22)で封止カバー(23 )を呈しているのが望ましいことを特徴とする請求の範囲第1項に記載のインプ ラント。 3.ケージ(1)は直方体状に、回転体(2)はシリンダ状にそれぞれ形成され ていることを特徴とする請求の範囲第1項または第2項に記載のインプラント。 4.ケージ(1)がくさび状に、回転体(2)が円錐状にそれぞれ形成されてい ることを特徴とする請求の範囲第1項または第2項に記載のインプラント。 5.ナイフエッジを有する長手切取り部の形が望ましい穿孔(24)が回転体( 2)に設けられていることを特徴とする請求の範囲第1項ないし第4項のいずれ か1項に記載のインプラント。 6.ケージ(1)は二分割式に形成されていることを特徴とする請求の範囲第1 項ないし第5項のいずれか1項に記載のインプラント。 7.上面とベース面(11、12)には三次元構造(18)(望ましくは長手条 溝の形)が設けられていることを特徴とする請求の範囲第1項ないし第6項のい ずれか1項に記載のインプラント。 8.側面(13、14)に長穴切取り部(19)が設けられていることを特徴と する請求の範囲第1項ないし第7項のいずれか1項に記載のインプラント。 9.螺旋状構造物(21)は雄ねじ、螺旋状条溝、または溝であることを特徴と する請求の範囲第1項ないし第8項のいずれか1項に記載のインプラント。 10.螺旋状構造物(21)はケージ(1)の上面とベース面(11、12)か ら1.0mmないし2.0mm、望ましくは1.35mmないし1.70mm突 き出ていることを特徴とする請求の範囲第1項ないし第9項のいずれか1項に記 載のインプラント。 11.螺旋状構造物(21)のピッチは少なくとも2mmであることを特徴とす る請求の範囲第1項ないし第10項のいずれか1項に記載のインプラント。 12.螺旋状構造物(21)の深さは0.8mmないし2.2mmの間、望まし くは1.5mmないし2.0mmの間であることを特徴とする請求の範囲第1項 ないし第11項のいずれか1項に記載のインプラント。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CH1995/000243 WO1997015246A1 (de) | 1995-10-20 | 1995-10-20 | Zwischenwirbel-implantat mit käfig und rotationskörper |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH11513601A true JPH11513601A (ja) | 1999-11-24 |
JP3621424B2 JP3621424B2 (ja) | 2005-02-16 |
Family
ID=4549981
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51616197A Expired - Fee Related JP3621424B2 (ja) | 1995-10-20 | 1995-10-20 | ケージと回転体を有する椎間インプラント |
Country Status (10)
Country | Link |
---|---|
US (1) | US5888228A (ja) |
EP (1) | EP0857041B1 (ja) |
JP (1) | JP3621424B2 (ja) |
KR (1) | KR100392090B1 (ja) |
AT (1) | ATE200409T1 (ja) |
CA (1) | CA2229734C (ja) |
DE (1) | DE59509194D1 (ja) |
ES (1) | ES2158132T3 (ja) |
TW (1) | TW374722B (ja) |
WO (1) | WO1997015246A1 (ja) |
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JP2003210500A (ja) * | 2001-12-03 | 2003-07-29 | Howmedica Osteonics Corp | 互いに隣接して位置する骨構造体の融合装置 |
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- 1995-10-20 US US09/011,014 patent/US5888228A/en not_active Expired - Lifetime
- 1995-10-20 WO PCT/CH1995/000243 patent/WO1997015246A1/de active IP Right Grant
- 1995-10-20 CA CA002229734A patent/CA2229734C/en not_active Expired - Lifetime
- 1995-10-20 JP JP51616197A patent/JP3621424B2/ja not_active Expired - Fee Related
- 1995-10-20 ES ES95934030T patent/ES2158132T3/es not_active Expired - Lifetime
- 1995-10-20 KR KR1019970709405A patent/KR100392090B1/ko not_active IP Right Cessation
- 1995-10-20 EP EP95934030A patent/EP0857041B1/de not_active Expired - Lifetime
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1996
- 1996-10-02 TW TW085111993A patent/TW374722B/zh not_active IP Right Cessation
Cited By (3)
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JP2003210500A (ja) * | 2001-12-03 | 2003-07-29 | Howmedica Osteonics Corp | 互いに隣接して位置する骨構造体の融合装置 |
US9597198B2 (en) | 2006-02-15 | 2017-03-21 | Ldr Medical | Transforaminal intersomatic cage for an intervertebral fusion graft and an instrument for implanting the cage |
US10758363B2 (en) | 2006-02-15 | 2020-09-01 | Ldr Medical | Transforaminal intersomatic cage for an intervertebral fusion graft and an instrument for implanting the cage |
Also Published As
Publication number | Publication date |
---|---|
KR19990022935A (ko) | 1999-03-25 |
US5888228A (en) | 1999-03-30 |
EP0857041A1 (de) | 1998-08-12 |
DE59509194D1 (de) | 2001-05-17 |
JP3621424B2 (ja) | 2005-02-16 |
EP0857041B1 (de) | 2001-04-11 |
CA2229734C (en) | 2004-02-03 |
WO1997015246A1 (de) | 1997-05-01 |
TW374722B (en) | 1999-11-21 |
KR100392090B1 (ko) | 2004-02-05 |
ATE200409T1 (de) | 2001-04-15 |
CA2229734A1 (en) | 1997-04-21 |
ES2158132T3 (es) | 2001-09-01 |
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