JP2005040600A - 頸椎固定装置及びこれに使用されるドライバ - Google Patents
頸椎固定装置及びこれに使用されるドライバ Download PDFInfo
- Publication number
- JP2005040600A JP2005040600A JP2004205718A JP2004205718A JP2005040600A JP 2005040600 A JP2005040600 A JP 2005040600A JP 2004205718 A JP2004205718 A JP 2004205718A JP 2004205718 A JP2004205718 A JP 2004205718A JP 2005040600 A JP2005040600 A JP 2005040600A
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- Prior art keywords
- screw
- plate
- cervical spine
- screw head
- fixing 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.)
- Granted
Links
- 238000003466 welding Methods 0.000 claims description 3
- 206010070245 Foreign body Diseases 0.000 abstract 1
- 230000035807 sensation Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 206010041591 Spinal osteoarthritis Diseases 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 2
- 208000036319 cervical spondylosis Diseases 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 208000005801 spondylosis Diseases 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000036244 malformation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
Images
Classifications
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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
-
- 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
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8033—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates having indirect contact with screw heads, or having contact with screw heads maintained with the aid of additional components, e.g. nuts, wedges or head covers
- A61B17/8042—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates having indirect contact with screw heads, or having contact with screw heads maintained with the aid of additional components, e.g. nuts, wedges or head covers the additional component being a cover over the screw head
-
- 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
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7059—Cortical plates
-
- 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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8875—Screwdrivers, spanners or wrenches
Abstract
【解決手段】 上記のような目的を達成するための本発明は、頸椎固定部位に接するプレートと、前記プレートに結合されると同時に頸椎に挿入固定されるスクリュとからなる頸椎固定装置であって、前記プレートで前記スクリュが結合された隣接部位には、前記スクリュが挿入されることによって前記スクリュの頭部によって加圧変形された後に前記スクリュの頭部が前記プレートに完全に安着した場合に原状復帰されて前記スクリュの頭部に係合する突起部を有するスクリュ頭部固定部材が固定され、前記プレートの上面には前記スクリュの頭部及びスクリュ頭部固定部材が収容される収容溝が形成され、前記収容溝は、前記スクリュが挿入される開口部と前記スクリュ頭部が安着されるリセス部とからなることを特徴とする。
【選択図】 図1
Description
12、212 プレート
14、214 スクリュ
16、116、216 スクリュ頭部固定部材
18、218 リベット
22、222 収容溝
230 ドライバ
232 十字形突出部
Claims (11)
- 頸椎固定部位に接するプレートと、前記プレートに結合されると同時に頸椎に挿入固定されるスクリュとからなる頸椎固定装置であって、
前記プレートで前記スクリュが結合された隣接部位には、前記スクリュが挿入されることによって前記スクリュの頭部によって加圧変形された後、前記スクリュの頭部が前記プレートに完全に安着した場合に原状復帰されて前記スクリュの頭部に係合する突起部を有するスクリュ頭部固定部材が固定されて、
前記プレートの上面には、前記スクリュの頭部及びスクリュ頭部固定部材が収容される収容溝が形成され、前記収容溝は、前記スクリュが挿入される開口部と前記スクリュ頭部が安着されるリセス部とからなることを特徴とする頸椎固定装置。 - 前記スクリュ頭部固定部材は、前記突起部が突出形成された弾性プレートからなることを特徴とする請求項1に記載の頸椎固定装置。
- 前記スクリュ頭部固定部材は、その両端が前記突起部の役割をするU字形の弾性止め金具からなることを特徴とする請求項1に記載の頸椎固定装置。
- 前記突起部または前記U字形の弾性止め金具の端部は、互いに対向する方向に曲げられていることを特徴とする請求項2または請求項3に記載の頸椎固定装置。
- 前記突起部または前記U字形の弾性止め金具の端部には係止突起が形成され、前記プレートのリセス部には前記係止突起が係止する係止顎部が形成されていることを特徴とする請求項4に記載の頸椎固定装置。
- 前記係止顎部は、プレートの厚さを貫通する係止孔からなることと特徴とする請求項5に記載の頸椎固定装置。
- 前記プレートの中間部には施術時に脊椎間のケージを見られるように窓孔が形成され、
前記窓孔には前記ケージを固定するように、ねじ部材がねじ結合されるねじ部が形成されていることを特徴とする請求項1に記載の頸椎固定装置。 - 前記スクリュの頭部には前記スクリュが前記プレートに挿入される時、前記突起部またはU字形の弾性止め金具が円滑に滑って加圧変形されるように円錐状の傾斜面が形成されていることを特徴とする請求項1ないし請求項3のいずれかに記載の頸椎固定装置。
- 前記スクリュ頭部固定部材の突起部またはU字形の弾性止め金具の端部の反対側は、リベット結合または溶接によって前記プレートに固定されていることを特徴とする請求項1ないし請求項3のいずれかに記載の頸椎固定装置。
- 前記スクリュの頭部上面には一字形または十字形からなる溝が形成され、前記スクリュを設置及び除去する時にドライバの端部が前記突起部またはU字形の弾性止め金具を加圧変形するように前記溝は中央に行くほど深くなる凹曲面を成していることを特徴とする請求項1ないし請求項3のいずれかに記載の頸椎固定装置。
- 請求項10に記載のスクリュを回転させるドライバであって、
前記ドライバの端部には前記溝に差し込まれるように断面から突出した一字形または十字形からなる突出部が形成され、前記突出部は前記凹曲面に密着する凸曲面からなっていることを特徴とするドライバ。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030050152A KR100552117B1 (ko) | 2003-07-22 | 2003-07-22 | 경추고정장치 및 이에 사용되는 드라이버 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005040600A true JP2005040600A (ja) | 2005-02-17 |
JP4002915B2 JP4002915B2 (ja) | 2007-11-07 |
Family
ID=33487937
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004205718A Expired - Fee Related JP4002915B2 (ja) | 2003-07-22 | 2004-07-13 | 頸椎固定装置及びこれに使用されるドライバ |
Country Status (7)
Country | Link |
---|---|
US (1) | US20050021032A1 (ja) |
EP (1) | EP1500376B1 (ja) |
JP (1) | JP4002915B2 (ja) |
KR (1) | KR100552117B1 (ja) |
CN (1) | CN100469328C (ja) |
AT (1) | ATE356585T1 (ja) |
DE (1) | DE602004005270T2 (ja) |
Cited By (5)
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JP2008503267A (ja) * | 2004-06-17 | 2008-02-07 | ウォーソー・オーソペディック・インコーポレーテッド | プレート内でスクリューを保持するための方法及び装置 |
JP2008539822A (ja) * | 2005-04-29 | 2008-11-20 | ウォーソー・オーソペディック・インコーポレーテッド | 医療用インプラント及びその使用方法 |
JP2008541970A (ja) * | 2005-06-06 | 2008-11-27 | サーフィックス テクノロジーズ | 支持体に固定される装置、同装置に用いる組立部品および装置を支持体に固定する方法 |
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- 2003-07-22 KR KR1020030050152A patent/KR100552117B1/ko active IP Right Grant
-
2004
- 2004-07-13 JP JP2004205718A patent/JP4002915B2/ja not_active Expired - Fee Related
- 2004-07-14 US US10/890,183 patent/US20050021032A1/en not_active Abandoned
- 2004-07-16 AT AT04016796T patent/ATE356585T1/de not_active IP Right Cessation
- 2004-07-16 EP EP04016796A patent/EP1500376B1/en not_active Not-in-force
- 2004-07-16 DE DE602004005270T patent/DE602004005270T2/de active Active
- 2004-07-21 CN CNB2004100709724A patent/CN100469328C/zh not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008503267A (ja) * | 2004-06-17 | 2008-02-07 | ウォーソー・オーソペディック・インコーポレーテッド | プレート内でスクリューを保持するための方法及び装置 |
JP4746613B2 (ja) * | 2004-06-17 | 2011-08-10 | ウォーソー・オーソペディック・インコーポレーテッド | プレート内でスクリューを保持するための装置 |
JP2008539822A (ja) * | 2005-04-29 | 2008-11-20 | ウォーソー・オーソペディック・インコーポレーテッド | 医療用インプラント及びその使用方法 |
JP2008541970A (ja) * | 2005-06-06 | 2008-11-27 | サーフィックス テクノロジーズ | 支持体に固定される装置、同装置に用いる組立部品および装置を支持体に固定する方法 |
WO2009052318A2 (en) * | 2007-10-16 | 2009-04-23 | Robinson James C | Bone screw retaining and removal system |
WO2009052318A3 (en) * | 2007-10-16 | 2009-06-11 | James C Robinson | Bone screw retaining and removal system |
US8496693B2 (en) | 2007-10-16 | 2013-07-30 | Amendia Inc. | Bone screw retaining and removal system |
US8998964B2 (en) | 2007-10-16 | 2015-04-07 | Spectrum Spine, LLC | Bone screw retaining and removal system |
Also Published As
Publication number | Publication date |
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JP4002915B2 (ja) | 2007-11-07 |
CN1575780A (zh) | 2005-02-09 |
US20050021032A1 (en) | 2005-01-27 |
EP1500376A1 (en) | 2005-01-26 |
DE602004005270T2 (de) | 2007-12-20 |
KR100552117B1 (ko) | 2006-02-13 |
ATE356585T1 (de) | 2007-04-15 |
KR20050011167A (ko) | 2005-01-29 |
EP1500376B1 (en) | 2007-03-14 |
CN100469328C (zh) | 2009-03-18 |
DE602004005270D1 (de) | 2007-04-26 |
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