JP5746031B2 - 多軸スクリューアセンブリ - Google Patents
多軸スクリューアセンブリ Download PDFInfo
- Publication number
- JP5746031B2 JP5746031B2 JP2011526300A JP2011526300A JP5746031B2 JP 5746031 B2 JP5746031 B2 JP 5746031B2 JP 2011526300 A JP2011526300 A JP 2011526300A JP 2011526300 A JP2011526300 A JP 2011526300A JP 5746031 B2 JP5746031 B2 JP 5746031B2
- Authority
- JP
- Japan
- Prior art keywords
- screw
- rod
- assembly
- load
- body 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
Links
Classifications
-
- 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
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7035—Screws or hooks, wherein a rod-clamping part and a bone-anchoring part can pivot relative to each other
-
- 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
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7002—Longitudinal elements, e.g. rods
- A61B17/7014—Longitudinal elements, e.g. rods with means for adjusting the distance between two screws or hooks
-
- 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
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7002—Longitudinal elements, e.g. rods
- A61B17/7019—Longitudinal elements having flexible parts, or parts connected together, such that after implantation the elements can move relative to each other
- A61B17/7023—Longitudinal elements having flexible parts, or parts connected together, such that after implantation the elements can move relative to each other with a pivot joint
-
- 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
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7002—Longitudinal elements, e.g. rods
- A61B17/7019—Longitudinal elements having flexible parts, or parts connected together, such that after implantation the elements can move relative to each other
- A61B17/7026—Longitudinal elements having flexible parts, or parts connected together, such that after implantation the elements can move relative to each other with a part that is flexible due to its form
-
- 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
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7035—Screws or hooks, wherein a rod-clamping part and a bone-anchoring part can pivot relative to each other
- A61B17/7037—Screws or hooks, wherein a rod-clamping part and a bone-anchoring part can pivot relative to each other wherein pivoting is blocked when the rod is clamped
-
- 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
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7035—Screws or hooks, wherein a rod-clamping part and a bone-anchoring part can pivot relative to each other
- A61B17/7038—Screws or hooks, wherein a rod-clamping part and a bone-anchoring part can pivot relative to each other to a different extent in different directions, e.g. within one plane only
-
- 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
- A61B17/7049—Connectors, not bearing on the vertebrae, for linking longitudinal elements together
- A61B17/705—Connectors, not bearing on the vertebrae, for linking longitudinal elements together for linking adjacent ends of longitudinal elements
-
- 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
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7041—Screws or hooks combined with longitudinal elements which do not contact vertebrae with single longitudinal rod offset laterally from single row of screws or hooks
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Neurology (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Description
本出願は、参照により本明細書に組み込まれる2008年9月9日出願の米国特許仮出願シリアル番号61/095,485に基づく優先権の利益を主張する。
Claims (16)
- 多軸スクリューアセンブリであって、
骨と結合するように操作可能でありかつヘッド部を有するスクリュー部材、
該スクリュー部材のヘッド部を保持するための第1の部分とロッド部材を保持するための第2の部分とを有する本体部材、ここで、前記第1の部分は、前記ヘッド部をその中に配置するためのスクリュー用座部を備え、
該スクリュー部材のヘッド部を決まった位置にロックするように操作可能なスクリューロック部材、及び、
該スクリュー部材と該ロッド部材との間で荷重を分担し緩衝するために該本体部材内に固定される形状を有して配置される内部荷重緩衝機構、ここで、前記荷重緩衝機構は前記スクリュー用座部の少なくとも一部を含む、
を備えたアセンブリ。 - 前記荷重緩衝機構は、前記スクリュー用座部に配置される、弾性の荷重緩衝材料で作られている、請求項1に記載のアセンブリ。
- 前記荷重緩衝機構はリングである、請求項1に記載のアセンブリ。
- 前記スクリュー用座部は前記リングをその中に保持するためのリング保持部を有し、前記リングは、前記スクリュー用座部の少なくとも1つの壁を構成して付勢面を提供し、これにより前記リングは前記スクリューヘッドと前記本体部材との間で力を吸収するように付勢する、請求項3に記載のアセンブリ。
- 前記荷重緩衝機構はカップである、請求項2に記載のアセンブリ。
- 前記荷重緩衝機構は、前記スクリューヘッド用座部の表面を完全に覆うライニングである、請求項2に記載のアセンブリ。
- 前記スクリュー用座部は球形である、請求項2に記載のアセンブリ。
- 前記スクリュー用座部は楕円形である、請求項2に記載のアセンブリ。
- 前記スクリュー部材は、楕円形スクリューヘッドを有する、請求項8に記載のアセンブリ。
- 前記荷重緩衝機構は、プラスチック、ポリマー、及び金属発泡体のような軟質金属材料及び金属構造を含むグループから選択された材料により構成される、請求項1に記載のアセンブリ。
- 前記荷重緩衝機構は、前記スクリュー用座部の壁の少なくとも一部を構成する、請求項1に記載のアセンブリ。
- 前記荷重緩衝機構は、前記スクリュー用座部の可撓部である、請求項11に記載のアセンブリ。
- 前記スクリュー用座部は、前記荷重緩衝機構を構成する可撓壁を含む、請求項11に記載のアセンブリ。
- 前記スクリューロック部材は、前記荷重緩衝機構内で前記スクリューの前記ヘッド部をロックする、請求項1に記載のアセンブリ。
- 前記スクリューロック部材は、前記本体部材と強固に係合すると共に前記スクリュー部材のヘッド部をロックする係合手段を含む、請求項14に記載のアセンブリ。
- 前記スクリュー用座部は、付勢可能である、請求項1に記載のアセンブリ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US9548508P | 2008-09-09 | 2008-09-09 | |
US61/095,485 | 2008-09-09 | ||
PCT/US2009/056343 WO2010030651A1 (en) | 2008-09-09 | 2009-09-09 | Polyaxial screw assembly |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012501761A JP2012501761A (ja) | 2012-01-26 |
JP5746031B2 true JP5746031B2 (ja) | 2015-07-08 |
Family
ID=41799901
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011526300A Expired - Fee Related JP5746031B2 (ja) | 2008-09-09 | 2009-09-09 | 多軸スクリューアセンブリ |
Country Status (5)
Country | Link |
---|---|
US (5) | US9603629B2 (ja) |
EP (1) | EP2358283B1 (ja) |
JP (1) | JP5746031B2 (ja) |
CA (1) | CA2736484C (ja) |
WO (1) | WO2010030651A1 (ja) |
Families Citing this family (117)
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US7833250B2 (en) | 2004-11-10 | 2010-11-16 | Jackson Roger P | Polyaxial bone screw with helically wound capture connection |
US10729469B2 (en) | 2006-01-09 | 2020-08-04 | Roger P. Jackson | Flexible spinal stabilization assembly with spacer having off-axis core member |
US10258382B2 (en) | 2007-01-18 | 2019-04-16 | Roger P. Jackson | Rod-cord dynamic connection assemblies with slidable bone anchor attachment members along the cord |
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US9421041B2 (en) | 2016-08-23 |
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WO2010030651A1 (en) | 2010-03-18 |
US20110184474A1 (en) | 2011-07-28 |
JP2012501761A (ja) | 2012-01-26 |
US20100063545A1 (en) | 2010-03-11 |
US20100312289A1 (en) | 2010-12-09 |
US20100063551A1 (en) | 2010-03-11 |
US7942907B2 (en) | 2011-05-17 |
US20100185247A1 (en) | 2010-07-22 |
CA2736484C (en) | 2017-10-03 |
EP2358283A4 (en) | 2013-03-20 |
US9603629B2 (en) | 2017-03-28 |
US9433440B2 (en) | 2016-09-06 |
EP2358283B1 (en) | 2016-07-27 |
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