JP4498413B2 - 多軸式柄接合用ねじ組立体 - Google Patents
多軸式柄接合用ねじ組立体 Download PDFInfo
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- JP4498413B2 JP4498413B2 JP2007500936A JP2007500936A JP4498413B2 JP 4498413 B2 JP4498413 B2 JP 4498413B2 JP 2007500936 A JP2007500936 A JP 2007500936A JP 2007500936 A JP2007500936 A JP 2007500936A JP 4498413 B2 JP4498413 B2 JP 4498413B2
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- 238000005304 joining Methods 0.000 title description 6
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 45
- 238000004873 anchoring Methods 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 19
- 238000005524 ceramic coating Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 10
- 238000001356 surgical procedure Methods 0.000 description 15
- 230000004927 fusion Effects 0.000 description 8
- 239000010936 titanium Substances 0.000 description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 6
- 229910052719 titanium Inorganic materials 0.000 description 6
- 239000000919 ceramic Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 239000007943 implant Substances 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 206010061246 Intervertebral disc degeneration Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000018180 degenerative disc disease Diseases 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 208000021600 intervertebral disc degenerative disease Diseases 0.000 description 2
- 238000004393 prognosis Methods 0.000 description 2
- 208000032170 Congenital Abnormalities Diseases 0.000 description 1
- 208000020339 Spinal injury Diseases 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 201000000980 schizophrenia Diseases 0.000 description 1
- 206010041569 spinal fracture Diseases 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
- 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
- A61B17/7032—Screws or hooks with U-shaped head or back through which longitudinal rods pass
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Neurology (AREA)
- Surgery (AREA)
- Molecular Biology (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Surgical Instruments (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Medicines Containing Plant Substances (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Dowels (AREA)
- Earth Drilling (AREA)
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
Description
Claims (20)
- サドル付きピンと、
雌の凹面形ソケットを有する骨固定用部品と、
球形状の雄の球形端部を有するねじ頭と、
前記ねじ頭に係合するブロッカーと、
を備え、
前記ねじ頭は、複数の溝と、
前記サドル付きピンを受承する隙間と
を備え、
前記サドル付きピンは前記骨固定用部品の前記雌のソケットの中で前記雄の球形端部を固定し、拡大する柄接合用ねじ組立体。 - 前記ねじ頭が、前記サドル付きピンおよび縦部材を受承するようにされたU字形の開放内部を有する請求項1記載の組立体。
- 前記骨固定用部品が、前記凹面形ソケットの反対側に配置されたねじ山部を有する請求項1記載の組立体。
- 前記サドル付きピンが、前記骨固定用部品と前記縦部材の底部とに係合する請求項2記載の組立体。
- 前記ブロッカーが、前記縦部材の頂部を固定する請求項2記載の組立体。
- 前記サドル付きピンが、縦部材に適切なシート部を有する上部と、下方の先端部とを有する請求項1記載の組立体。
- 前記サドル付きピンが、複数部品から成る組立体を有する請求項1記載の組立体。
- 前記下方の先端部が、前記上部より機械的に硬度の高い材料を有する請求項6記載の組立体。
- 前記ねじ頭と前記骨固定用部品とが、第一の材料を有し、前記サドル付きピンの前記下方の先端部が、前記第一の材料より高い材料硬度と耐圧縮強度とを備えている請求項6記載の組立体。
- 前記ねじ頭と前記骨固定用部品との表面に耐摩耗性のセラミック・コーティングをさらに有する請求項1記載の組立体。
- 前記ねじ頭が、前記溝によって分離され、そして、対向して配置された二つの直立端部をさらに有する請求項2記載の組立体。
- 前記対向した直立端部の各々が、内壁と外壁とを有し、前記内壁が壁ねじを有し、さらに、前記外壁が凹みを有する請求項11記載の組立体。
- 前記ブロッカーが、前記ブロッカーの外周面に形成されたブロッカーねじ山を有し、前記ブロッカーねじ山が、前記壁ねじ山に嵌まり合うサイズにされ、そして、嵌まり合うように形成されている請求項12記載の組立体。
- 前記サドル付きピンの上部が、溝を有する請求項6記載の組立体。
- 前記ねじ頭の前記球形端部が、前記球形端部の先端の開口に終端をなす複数の溝を有する請求項1記載の組立体。
- 前記ねじ頭の前記球形端部が、前記サドル付きピンを受承するように形成された孔を有する請求項1記載の組立体。
- 前記骨固定用部品の前記凹面形ソケットが、
前記ねじ頭の前記球形端部を受承するようにされた内側部分と、
凹みが設けられた外側部分と
を有する請求項1記載の組立体。 - 前記骨固定用部品が骨接合用ねじを有する請求項1記載の組立体。
- 前記骨固定用部品がフックを有する請求項1記載の組立体。
- 縦部材と、
雌の凹面形ソケットを有する骨固定用部品と、
縦部材に適切なシート部を有する上部および下部を備えるサドル付きピンと、
ねじ頭と、
前記ねじ頭を係合し、前記縦部材の頂部を固定するブロッカーと、
を備え、
前記サドル付きピンが前記骨固定用部品および前記縦部材の底部に係合し、
前記ねじ頭が前記サドル付きピンおよび前記縦部材を受承するためのU字形の溝と、
前記U字形の溝によって分割される直立端部と、
球形状の雄の球形端部と、
を備え、
前記直立端部のそれぞれが内壁および外壁を備え、
前記球形端部が前記球形端部の下端の開放部に終端をなす複数の溝と、
前記サドル付きピンを受承する隙間と、
を備え、
前記サドル付きピンは前記骨固定用部品の前記雌のソケットの中で前記雄の球形端部を固定し、拡大する柄固定用組立体。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US54854304P | 2004-02-27 | 2004-02-27 | |
US56565804P | 2004-04-27 | 2004-04-27 | |
US11/045,908 US7862594B2 (en) | 2004-02-27 | 2005-01-28 | Polyaxial pedicle screw assembly |
PCT/US2005/005681 WO2005086651A2 (en) | 2004-02-27 | 2005-02-23 | Polyaxial pedicle screw assembly |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007523725A JP2007523725A (ja) | 2007-08-23 |
JP4498413B2 true JP4498413B2 (ja) | 2010-07-07 |
Family
ID=34890975
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007500936A Expired - Fee Related JP4498413B2 (ja) | 2004-02-27 | 2005-02-23 | 多軸式柄接合用ねじ組立体 |
Country Status (7)
Country | Link |
---|---|
US (3) | US7862594B2 (ja) |
EP (1) | EP1725175B1 (ja) |
JP (1) | JP4498413B2 (ja) |
AT (1) | ATE462363T1 (ja) |
DE (1) | DE602005020259D1 (ja) |
ES (1) | ES2340938T3 (ja) |
WO (1) | WO2005086651A2 (ja) |
Families Citing this family (180)
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US7862587B2 (en) | 2004-02-27 | 2011-01-04 | Jackson Roger P | Dynamic stabilization assemblies, tool set and method |
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US8353932B2 (en) | 2005-09-30 | 2013-01-15 | Jackson Roger P | Polyaxial bone anchor assembly with one-piece closure, pressure insert and plastic elongate member |
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- 2005-02-23 JP JP2007500936A patent/JP4498413B2/ja not_active Expired - Fee Related
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US7862594B2 (en) | 2011-01-04 |
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WO2005086651A3 (en) | 2006-09-08 |
US20110054546A1 (en) | 2011-03-03 |
ATE462363T1 (de) | 2010-04-15 |
WO2005086651A2 (en) | 2005-09-22 |
EP1725175B1 (en) | 2010-03-31 |
JP2007523725A (ja) | 2007-08-23 |
US20050192571A1 (en) | 2005-09-01 |
EP1725175A4 (en) | 2008-05-21 |
US20110034258A1 (en) | 2011-02-10 |
ES2340938T3 (es) | 2010-06-11 |
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