JP5968929B2 - モジュラシステム - Google Patents
モジュラシステム Download PDFInfo
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- JP5968929B2 JP5968929B2 JP2014026603A JP2014026603A JP5968929B2 JP 5968929 B2 JP5968929 B2 JP 5968929B2 JP 2014026603 A JP2014026603 A JP 2014026603A JP 2014026603 A JP2014026603 A JP 2014026603A JP 5968929 B2 JP5968929 B2 JP 5968929B2
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- 210000000988 bone and bone Anatomy 0.000 claims abstract description 33
- 238000004873 anchoring Methods 0.000 abstract description 14
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002639 bone cement Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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
-
- 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
-
- 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
-
- 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
-
- 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
- A61B17/8645—Headless screws, e.g. ligament interference 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
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
- A61B17/8685—Pins or screws or threaded wires; nuts therefor comprising multiple separate parts
-
- 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
- A61B17/864—Pins or screws or threaded wires; nuts therefor hollow, e.g. with socket or cannulated
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Neurology (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)
- Prostheses (AREA)
- Soil Working Implements (AREA)
Description
本発明のさらなる限定は、従属項に規定される。
図1から図4を参照して、第1の実施例について説明する。図2の分解図に見られるように、第1の実施例に係る骨固定装置1は、軸部2と、軸部2とは別個に設けられた頭部3と、受部4と、加圧要素5とを備える。さらに、第1の実施例ではリング7が設けられる。これについては以下に詳細に述べる。
自由脚部45および46の内面には、第2端41に隣接して内側ねじ山47が設けられ、固定要素61が捩じ込まれて、U字型の凹部内にロッド60を固定する。本実施例では、内側ねじ山47は、長手方向の軸に垂直に配置されたねじ山側面を有する平坦なねじ山として設計されているが、ねじ山は他のいかなる適切なねじ山形状であってもよい。
動作の際、まず軸部2を捩じ込みツールと係合させることによって、骨または脊柱に捩じ込むことができる。
図6から図9を参照して、第2の実施例を説明する。第2の実施例は、軸部および頭部の構造が第1の実施例と異なる。受部4および加圧要素5は第1の実施例と同一であり、ここでは説明しない。図6から図9では、受部4および加圧要素5を省略する。
定されている。突起7、107は、頭部3、103に設けられた溝34、134と係合する第2部分23、123の外面から突出する。スリット35、135によってそれぞれの頭部3、103が柔軟になり、さらに挿入が容易になる。
図10および図11に第3の実施例を示す。第3の実施例は、頭部および加圧要素の構造が第1のおよび第2の実施例と異なる。その他の構造は第1のおよび第2の実施例と同様であり、ここでは説明しない。
多軸骨固定装置のさらなる変形例において、軸部は第1の実施例の軸部2と同様に形成され、第2部分23の円筒状の外面に溝24を設ける。第1の実施例に対し、リング7は省略され、頭部3の円筒状のボア31における溝34の代わりに、円筒状のボア31よりも直径が小さいリング状の突起を円筒状のボア31内に一体に形成する。軸部2を円筒状
のボア31に挿入すると、このリング状の突起が軸部2の溝24と係合する。
Claims (9)
- モジュラシステムであって、
骨または脊柱に固定されるべき軸部(2,102,202)と、
頭部(3,103,203)と、
前記軸部(2,102,202)をロッドに接続するために頭部(3,103,203)を受ける受部(4)とを備え、
前記軸部(2,102,202)および頭部(3,103,203)は別個の部品であり、
前記頭部(3,103,203)は、円筒状の内面を有するボア(31,131,231)と、前記内面から前記頭部(3,103,203)の外面(30,130,230)まで延在する少なくとも1つのスリット(35,135,235)とを含み、
前記軸部(2,102,202)は、骨または脊柱に固定される第1部分(21,121,221)と、円筒状の外面を有し自由端(27,127,227)に隣接する第2部分(23,123,223)とを含み、
単一の突起(107)が、前記第2部分(23,123,223)の前記円筒状の外面および前記頭部(3,103,203)の前記円筒状の内面のうちの一方に設けられ、
単一のリング状の溝(34,134,234;24,224)が、前記第2部分(23,123,223)の前記円筒状外面および前記頭部(3,103,203)の前記他方の円筒状の内面のうちの他方に設けられ、
前記軸部(2,102,202)の円筒状の第2部分(23,123,223)が頭部(3,103,203)の前記ボア(31,131,231)に挿入されると、前記突起(107)と前記リング状の溝(34,134,234;24,224)とが係合し、
前記突起(107)は、軸部(2,102,202)の円筒状の第2部分(23,123,223)または前記頭部(3,103,203)と一体に成形され、
前記頭部(103)の円筒状の内面に設けられた前記リング状の突起(107)または前記リング状の溝(134)が、前記円筒状の内面のほぼ中央に位置し、前記リング状の突起(107)は前記リング状の溝(134)に嵌り込む形状を有し、
複数の異なる軸部(102)および/または複数の異なる頭部(3,103,203)が設けられた、モジュラシステム。 - 前記頭部(3,103,203)の円筒状の内面の前記突起(107)はリング状である、請求項1に記載のモジュラシステム。
- 前記頭部(30,130)の外面はほぼ球形セグメント形状である、請求項1または2に記載のモジュラシステム。
- ボア(31,131,231)は、第1端(32,132,203a)から第2端(33,133,203b)まで頭部(3,103,203)を貫通する、円筒形状の内側表面を有する、請求項1から3のいずれか1項に記載のモジュラシステム。
- 少なくとも1つのスリット(35,135)は、頭部(3,103)の第1端(32,132)から第2端(33,133)まで延在する、請求項1から4のいずれか1項に記載のモジュラシステム。
- いくつかのスリット(135)が頭部(103)に設けられ、第1端(132)から始まり、第2端(133)から所定の距離のところまで、および第2端(133)から始まり、第1端(132)から所定の距離のところまで、それぞれ交互に延在する、請求項1から5のいずれか1項に記載のモジュラシステム。
- 長手方向のボア(42)は第1端(40)から第2端(41)まで受部を貫通し、長手方向のボアは先細り形状であって第2端(41)に隣接し、頭部(3,103,203)を収容するための座部(43)を形成する、請求項1から6のいずれか1項に記載のモジュラシステム。
- 加圧要素(5)は長手方向のボア(42)内に配置され、受部(4)に対する軸部(2)の角度配向を固定する、請求項1から7のいずれか1項に記載のモジュラシステム。
- U字型の凹部(44)は受部(4)内に第1端(40)に隣接して形成され、長手方向のボア(42)にほぼ垂直に延在し、2つの自由脚部(45,46)が形成され、ロッドを受けるためのチャネルを形成する、請求項1から8のいずれか1項に記載のモジュラシステム。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US86095806P | 2006-11-22 | 2006-11-22 | |
EP06024232.8 | 2006-11-22 | ||
US60/860,958 | 2006-11-22 | ||
EP20060024232 EP1925263B1 (en) | 2006-11-22 | 2006-11-22 | Bone anchoring device |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007299470A Division JP5579964B2 (ja) | 2006-11-22 | 2007-11-19 | 骨固定装置およびモジュラシステム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014158711A JP2014158711A (ja) | 2014-09-04 |
JP5968929B2 true JP5968929B2 (ja) | 2016-08-10 |
Family
ID=37943746
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007299470A Active JP5579964B2 (ja) | 2006-11-22 | 2007-11-19 | 骨固定装置およびモジュラシステム |
JP2014026603A Active JP5968929B2 (ja) | 2006-11-22 | 2014-02-14 | モジュラシステム |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007299470A Active JP5579964B2 (ja) | 2006-11-22 | 2007-11-19 | 骨固定装置およびモジュラシステム |
Country Status (9)
Country | Link |
---|---|
US (3) | US9119674B2 (ja) |
EP (3) | EP2039310B1 (ja) |
JP (2) | JP5579964B2 (ja) |
KR (1) | KR101586835B1 (ja) |
CN (1) | CN101185587B (ja) |
AT (1) | ATE551962T1 (ja) |
DE (1) | DE602006019616D1 (ja) |
ES (3) | ES2359848T3 (ja) |
TW (1) | TWI445516B (ja) |
Families Citing this family (127)
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US7833250B2 (en) | 2004-11-10 | 2010-11-16 | Jackson Roger P | Polyaxial bone screw with helically wound capture connection |
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US8876868B2 (en) | 2002-09-06 | 2014-11-04 | Roger P. Jackson | Helical guide and advancement flange with radially loaded lip |
US7621918B2 (en) | 2004-11-23 | 2009-11-24 | Jackson Roger P | Spinal fixation tool set and method |
US6716214B1 (en) | 2003-06-18 | 2004-04-06 | Roger P. Jackson | Polyaxial bone screw with spline capture connection |
US7377923B2 (en) | 2003-05-22 | 2008-05-27 | Alphatec Spine, Inc. | Variable angle spinal screw assembly |
US8377102B2 (en) | 2003-06-18 | 2013-02-19 | Roger P. Jackson | Polyaxial bone anchor with spline capture connection and lower pressure insert |
US20110040338A1 (en) * | 2003-08-28 | 2011-02-17 | Jackson Roger P | Polyaxial bone anchor having an open retainer with conical, cylindrical or curvate capture |
US7766915B2 (en) | 2004-02-27 | 2010-08-03 | Jackson Roger P | Dynamic fixation assemblies with inner core and outer coil-like member |
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CN102271731B (zh) | 2008-10-30 | 2015-11-25 | 德普伊斯派尔公司 | 用于向骨锚钉递送骨粘固剂的系统和方法 |
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US9119674B2 (en) | 2015-09-01 |
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US20100049255A1 (en) | 2010-02-25 |
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