JP5529270B2 - 骨プレートロックシステム、及び骨プレートロックシステムの利用方法 - Google Patents
骨プレートロックシステム、及び骨プレートロックシステムの利用方法 Download PDFInfo
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- JP5529270B2 JP5529270B2 JP2012521847A JP2012521847A JP5529270B2 JP 5529270 B2 JP5529270 B2 JP 5529270B2 JP 2012521847 A JP2012521847 A JP 2012521847A JP 2012521847 A JP2012521847 A JP 2012521847A JP 5529270 B2 JP5529270 B2 JP 5529270B2
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- lock ring
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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
- A61B17/70—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
- A61B17/68—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
- A61B17/8047—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 wherein the additional element surrounds the screw head in the plate hole
-
- 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
- A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
- A61B17/7076—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling for driving, positioning or assembling spinal clamps or bone anchors specially adapted for spinal fixation
- A61B17/7082—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling for driving, positioning or assembling spinal clamps or bone anchors specially adapted for spinal fixation for driving, i.e. rotating, screws or screw parts specially adapted for spinal fixation, e.g. for driving polyaxial or tulip-headed screws
-
- 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
-
- 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
- A61B17/8695—Washers
-
- 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
- A61F2/46—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
-
- 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
- A61F2002/30329—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
- A61F2002/30495—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism using a locking ring
Description
本出願は、2009年7月24日付にて出願された米国仮特許出願第61/228,521号に基づく優先権を主張するものである。当該特許出願の全体が、参照によって本明細書に組み込まれている。
12 ロックリング
14 プレート
20 遠位端
22 近位端
24 拡大ヘッド
26 上側部分
28 溝
30 下側部分
32 (ネジ10の)中心軸線
34 (溝28の)中心軸線
40 穴
42 湾曲した外面
44 湾曲した内面
46 前面
48 後面
70 貫通口
72 前面
74 後面
76 上側部分
78 溝
80 下側部分
90 左側
92 右側
102 第1の突起
104 第2の突起
112 第2の切欠部
114 第1の切欠部
Claims (11)
- ヘッドを備えている近位端と遠位端とを有していると共にネジ山が形成されたネジ本体であって、前記ヘッドが、上側部分と、前記上側部分に隣り合っている溝と、前記溝に隣り合っている下側部分とを備えており、前記溝の中心軸線が前記ネジ本体の中心軸線の軸外に配置されている、前記ネジ本体と、
前記ヘッドの前記溝内に少なくとも部分的に係留されるように構成されているロックリングと、
前面と、後面と、前記前面及び前記後面を貫通している貫通口とを備えているプレートであって、前記貫通口が、上側部分と、前記上側部分に隣り合っている溝と、前記溝に隣り合っている下側部分とを備えており、前記ヘッドが前記貫通口に受容可能とされる、前記プレートと、
を備えている骨プレートロックシステムにおいて、
アンロック位置において前記ロックリングが前記貫通口の前記溝から外れているように、且つ、ロック位置において前記ロックリングが前記貫通口の前記溝内に少なくとも部分的に配置されているように、前記ロックリングが、前記ヘッドの前記溝を囲んで回転可能に位置決めされるように構成されていることを特徴とする骨プレートロックシステム。 - 前記溝の前記中心軸線が、前記ネジ本体の前記中心軸線に対して略平行とされることを特徴とする請求項1に記載の骨プレートロックシステム。
- 前記ロックリングが、前記ロックリングを回転させるための穴を備えていることを特徴とする請求項1に記載の骨プレートロックシステム。
- 前記ロックリングが、C状の形態とされることを特徴とする請求項1に記載の骨プレートロックシステム。
- 前記ロックリングが、湾曲した外面と湾曲した内面とを備えており、
前記湾曲した外面と前記湾曲した内面との距離が、前記ロックリングの少なくとも一部分において、前記ロックリングの少なくとも一部分以外の部分より大きいことを特徴とする請求項1に記載の骨プレートロックシステム。 - 前記骨プレートロックシステムが、複数の前記ネジ本体と、複数の前記ロックリングを備えており、
前記プレートが、複数の前記貫通口を備えていることを特徴とする請求項1に記載の骨プレートロックシステム。 - 前記ロック位置において、前記ロックリングが、前記ネジが前記プレートから脱離することを制限することを特徴とする請求項1に記載の骨プレートロックシステム。
- 前記ネジが前記プレートに対して直角に配置されていない場合に、前記ロックリングを前記ロック位置に配置可能とされることを特徴とする請求項1に記載の骨プレートロックシステム。
- 前記ネジ本体の前記ヘッドが、前記ヘッドの前記上側部分の少なくとも一部分に第1の切欠部を備えており、
前記ロックリングが、後面と、前記後面の少なくとも一部分に設けられた第1の突起とを備えており、前記ヘッドの前記上側部分に形成された前記第1の切欠部内に係留されるように構成されており、
前記第1の突起が、前記アンロック位置では、前記ヘッドの前記上側部分において前記第1の切欠部の一方の端部に配置されており、前記第1の突起が、前記ロック位置では、前記ヘッドの前記上側部分において前記第1の切欠部の他方の端部に配置されていることを特徴とする請求項1に記載の骨プレートロックシステム。 - 前記ネジ本体の前記ヘッドが、前記上側部分の少なくとも一部分において第2の切欠部を備えており、
前記ロックリングが、内面と、前記内面の少なくとも一部分に設けられた第2の突起とを備えており、
前記ロックリングの前記第2の突起が、前記アンロック位置において、前記ヘッドの前記溝の前記第2の切欠部内に配置されており、前記ロック位置において、前記ヘッドの前記溝の前記第2の切欠部から外れていることを特徴とする請求項9に記載の骨プレートロックシステム。 - 前記ネジ本体の前記ヘッドが、前記上側部分において切欠部を備えており、
前記ロックリングが、内面と、前記内面の少なくとも一部分に設けられた突起とを備えており、
前記ロックリングの前記突起が、前記アンロック位置において、前記ヘッドの前記溝の前記切欠部内に配置されており、前記ロック位置において、前記ヘッドの前記溝の前記切欠部から外れていることを特徴とする請求項1に記載の骨プレートロックシステム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US22852109P | 2009-07-24 | 2009-07-24 | |
US61/228,521 | 2009-07-24 | ||
PCT/US2010/043116 WO2011011726A2 (en) | 2009-07-24 | 2010-07-23 | Bone plate system and methods of using the same |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2014084342A Division JP6022502B2 (ja) | 2009-07-24 | 2014-04-16 | 骨プレートロックシステム、及び骨プレートロックシステムの利用方法 |
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JP2013500077A JP2013500077A (ja) | 2013-01-07 |
JP5529270B2 true JP5529270B2 (ja) | 2014-06-25 |
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JP2012521847A Expired - Fee Related JP5529270B2 (ja) | 2009-07-24 | 2010-07-23 | 骨プレートロックシステム、及び骨プレートロックシステムの利用方法 |
JP2014084342A Expired - Fee Related JP6022502B2 (ja) | 2009-07-24 | 2014-04-16 | 骨プレートロックシステム、及び骨プレートロックシステムの利用方法 |
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JP2014084342A Expired - Fee Related JP6022502B2 (ja) | 2009-07-24 | 2014-04-16 | 骨プレートロックシステム、及び骨プレートロックシステムの利用方法 |
Country Status (8)
Country | Link |
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US (2) | US8535354B2 (ja) |
EP (1) | EP2456377A4 (ja) |
JP (2) | JP5529270B2 (ja) |
KR (1) | KR20120082397A (ja) |
AU (1) | AU2010275481B2 (ja) |
CA (1) | CA2768969C (ja) |
MX (1) | MX2012000992A (ja) |
WO (1) | WO2011011726A2 (ja) |
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2010
- 2010-07-23 JP JP2012521847A patent/JP5529270B2/ja not_active Expired - Fee Related
- 2010-07-23 EP EP10802982.8A patent/EP2456377A4/en not_active Withdrawn
- 2010-07-23 AU AU2010275481A patent/AU2010275481B2/en not_active Ceased
- 2010-07-23 MX MX2012000992A patent/MX2012000992A/es active IP Right Grant
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- 2010-07-23 WO PCT/US2010/043116 patent/WO2011011726A2/en active Application Filing
- 2010-07-23 KR KR1020127004775A patent/KR20120082397A/ko active IP Right Grant
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EP2456377A4 (en) | 2014-01-08 |
MX2012000992A (es) | 2012-06-27 |
JP2014176721A (ja) | 2014-09-25 |
KR20120082397A (ko) | 2012-07-23 |
CA2768969C (en) | 2016-12-13 |
AU2010275481B2 (en) | 2013-10-10 |
US20110022096A1 (en) | 2011-01-27 |
WO2011011726A3 (en) | 2011-04-28 |
WO2011011726A2 (en) | 2011-01-27 |
JP2013500077A (ja) | 2013-01-07 |
JP6022502B2 (ja) | 2016-11-09 |
US20140228892A1 (en) | 2014-08-14 |
US8535354B2 (en) | 2013-09-17 |
CA2768969A1 (en) | 2011-01-27 |
AU2010275481A1 (en) | 2012-02-23 |
EP2456377A2 (en) | 2012-05-30 |
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