JP5662442B2 - 骨プレートのネジブロックシステム及び方法 - Google Patents
骨プレートのネジブロックシステム及び方法 Download PDFInfo
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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
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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
- A61B17/80—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
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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
- A61B17/80—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
- A61B17/8038—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 inserted in the screw head
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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
- A61B17/80—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
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8061—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates specially adapted for particular bones
-
- 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
- A61B17/808—Instruments for holding or positioning bone plates, or for adjusting screw-to-plate locking mechanisms
-
- 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
- A61B17/8605—Heads, i.e. proximal ends projecting from bone
-
- 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
- A61B17/8625—Shanks, i.e. parts contacting bone tissue
-
- 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
- A61B2017/564—Methods for bone or joint treatment
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Description
本願は、2009年7月24日に出願された米国仮特許出願第61/228508の優先権を主張し、その全ては、参照として本明細書に組み込まれる。
本明細書で開示されていることは、整形外科の分野に関連する骨プレーティング(bone plating)システム及び方法である。より詳しくは、本明細書で開示されているある実施形態は、腰椎、頚椎、胸髄領域で使用されるネジブロック素子を用いた骨プレートシステム及び方法に関する。
Claims (9)
- プレートであって、上面と、下面と、当該プレートに画成されかつ前記上面及び前記下面の間に延在する第1及び第2骨ネジ受容穴部と、を備える、プレートと、
それぞれが骨に固定されるように構成されたシャフト部分と頭部分とを備える第1及び第2骨ネジであって、当該第1及び第2骨ネジの前記頭部分が、前記第1及び第2骨ネジ受容穴部内に受容可能であり、当該第1及び第2骨ネジそれぞれの前記頭部分の少なくとも一部が、前記プレートの前記上面よりも下方に奥まって配設されるように構成された、第1及び第2骨ネジと、
前記第1及び第2骨ネジ受容穴部それぞれに近接して前記プレートに連結された第1及び第2ブロック素子であって、当該ブロック素子が、前記上面の上方に位置付けられ、当該ブロック素子が、第1ブロック解除位置と第2ブロック位置との間で回転可能であり、当該ブロック素子それぞれが、ツールと接触しかつ前記ツールと協働し、当該ブロック素子を前記第1ブロック解除位置から前記第2ブロック位置まで回転させるように構成されており、前記第1ブロック解除位置にある当該ブロック素子が、対応する前記骨ネジ受容穴部の上方に延在せず、前記第2ブロック位置にある当該ブロック素子が、対応する前記骨ネジ受容穴部の少なくとも一部の上方に延在し、当該ブロック素子が、前記第1ブロック解除位置から前記第2ブロック位置まで回転するときに前記骨ネジの前記頭部分と接触せず、当該ブロック素子が、当該ブロック素子と前記プレートとの間の摩擦によって少なくとも部分的に前記第2ブロック位置で固定されたままである、第1及び第2ブロック素子と、
周面と第2横断幅寸法より大きい第1横断長さ寸法とを有する作動部分を備えるツールであって、当該ツールの前記作動部分が、前記ブロック素子が前記第1ブロック解除位置にあるときに前記第1及び第2ブロック素子間に位置付けられるように構成され、前記作動部分の前記幅寸法が、前記作動部分の回転中に、前記周面が前記ブロック素子と接触して前記第1及び第2ブロック素子を前記第1ブロック解除位置から前記第2ブロック位置まで回転させるように、前記第1及び第2ブロック素子間の距離未満であり、前記作動部分の前記長さ寸法が、前記第1及び第2ブロック素子を同時に回転し、対応する前記骨ネジ受容穴部内に位置付けられるときに前記第1及び第2骨ネジそれぞれの前記頭部分の少なくとも一部を被覆するように、前記第1ブロック解除位置にある前記ブロック素子間の距離よりも大きい、ツールと、
を備えることを特徴とする骨プレーティングシステム。 - プレートであって、上面と、下面と、当該プレートに画成されかつ前記上面及び前記下面の間に延在する第1及び第2骨ネジ受容穴部と、を備える、プレートと、
それぞれが骨に固定されるように構成されたシャフト部分と頭部分とを備える第1及び第2骨ネジであって、当該第1及び第2骨ネジの前記頭部分が、前記第1及び第2骨ネジ受容穴部内に受容可能であり、当該第1及び第2骨ネジそれぞれの前記頭部分の少なくとも一部が、前記プレートの前記上面よりも下方に奥まって配設されるように構成された、第1及び第2骨ネジと、
前記第1及び第2骨ネジ受容穴部それぞれに近接して前記プレートに連結された第1及び第2ブロック素子であって、当該ブロック素子が、前記上面の上方に位置付けられ、当該ブロック素子が、第1ブロック解除位置と第2ブロック位置との間で回転可能であり、当該ブロック素子それぞれが、ツールと接触しかつ前記ツールと協働し、当該ブロック素子を前記第1ブロック解除位置から前記第2ブロック位置まで同時に回転させるように構成されており、前記第1ブロック解除位置にある当該ブロック素子が、対応する前記骨ネジ受容穴部の上方に延在せず、前記第2ブロック位置にある当該ブロック素子が、対応する前記骨ネジ受容穴部の少なくとも一部の上方に延在し、当該ブロック素子が、前記第1ブロック解除位置から前記第2ブロック位置まで回転するときに前記骨ネジの前記頭部分と接触せず、当該ブロック素子それぞれが、正確に前記骨ネジの一方に対応しておりかつ前記骨ネジの一方をブロックする、第1及び第2ブロック素子と、
を備えることを特徴とする骨プレーティングシステム。 - 前記ブロック素子が、前記ブロック素子が前記ブロック位置にあるときに、前記骨ネジが前記プレートから完全に後退することを十分にブロックすることを特徴とする請求項1または2に記載の骨プレーティングシステム。
- 前記骨ネジ受容穴部の少なくとも一部が、シリンダ状であることを特徴とする請求項1または2に記載の骨プレーティングシステム。
- 前記ブロック素子が、前記骨ネジ受容穴部の湾曲面に対応する第1湾曲面を備えることを特徴とする請求項1または2に記載の骨プレーティングシステム。
- 前記ブロック素子の少なくとも1つが、位置決めネジによって前記プレートに連結されることを特徴とする請求項1または2に記載の骨プレーティングシステム。
- 前記ブロック素子の少なくとも1つが、押ピンによって前記プレートに連結されることを特徴とする請求項1または2に記載の骨プレーティングシステム。
- 前記ブロック素子の少なくとも1つが、凹溝部によって前記プレートに連結されることを特徴とする請求項1または2に記載の骨プレーティングシステム。
- 前記ブロック素子の少なくとも1つが、リベットによって前記プレートに連結されることを特徴とする請求項1または2に記載の骨プレーティングシステム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US22850809P | 2009-07-24 | 2009-07-24 | |
US61/228,508 | 2009-07-24 | ||
PCT/US2010/043106 WO2011011720A2 (en) | 2009-07-24 | 2010-07-23 | Bone plate screw-blocking systems and methods |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2014245711A Division JP2015051315A (ja) | 2009-07-24 | 2014-12-04 | 骨プレートのネジブロックシステム及び方法 |
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JP2013500076A JP2013500076A (ja) | 2013-01-07 |
JP2013500076A5 JP2013500076A5 (ja) | 2013-09-05 |
JP5662442B2 true JP5662442B2 (ja) | 2015-01-28 |
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JP2012521843A Expired - Fee Related JP5662442B2 (ja) | 2009-07-24 | 2010-07-23 | 骨プレートのネジブロックシステム及び方法 |
JP2014245711A Pending JP2015051315A (ja) | 2009-07-24 | 2014-12-04 | 骨プレートのネジブロックシステム及び方法 |
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JP2014245711A Pending JP2015051315A (ja) | 2009-07-24 | 2014-12-04 | 骨プレートのネジブロックシステム及び方法 |
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US (4) | US8419777B2 (ja) |
EP (1) | EP2456376A4 (ja) |
JP (2) | JP5662442B2 (ja) |
KR (1) | KR20120082396A (ja) |
AU (1) | AU2010275475B2 (ja) |
CA (1) | CA2768960C (ja) |
MX (1) | MX2012000994A (ja) |
WO (1) | WO2011011720A2 (ja) |
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US20170224388A1 (en) | 2017-08-10 |
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WO2011011720A2 (en) | 2011-01-27 |
US20110022097A1 (en) | 2011-01-27 |
CA2768960C (en) | 2016-12-13 |
EP2456376A4 (en) | 2014-01-01 |
US8419777B2 (en) | 2013-04-16 |
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