JP5651472B2 - テーパーロックを有する後方椎弓根スクリュー - Google Patents
テーパーロックを有する後方椎弓根スクリュー Download PDFInfo
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- JP5651472B2 JP5651472B2 JP2010531174A JP2010531174A JP5651472B2 JP 5651472 B2 JP5651472 B2 JP 5651472B2 JP 2010531174 A JP2010531174 A JP 2010531174A JP 2010531174 A JP2010531174 A JP 2010531174A JP 5651472 B2 JP5651472 B2 JP 5651472B2
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- JP
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- Prior art keywords
- collet
- pedicle screw
- saddle
- wings
- connecting portion
- 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
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- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 3
- 238000001356 surgical procedure Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 230000003993 interaction Effects 0.000 description 5
- 210000000038 chest Anatomy 0.000 description 2
- 210000004705 lumbosacral region Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 210000000278 spinal cord Anatomy 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 210000000115 thoracic cavity Anatomy 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000037326 chronic stress Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000009547 development abnormality Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002068 genetic effect Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 210000003041 ligament Anatomy 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 210000004197 pelvis Anatomy 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
Images
Classifications
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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
- A61B17/7001—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)
- 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
本願は、2007年10月23日に出願された米国仮特許出願第61/000,071号の優先権を主張するものであり、その内容は参照により本明細書に組み込まれる。
Claims (10)
- 手術装置であって、前記装置は、
開口部を画定する連結部であって、前記開口部が前記連結部を通じて延在する、連結部と、
前記連結部の開口部内に受け入れ可能なコレットと、
シャンク、前記コレットの開口部内に受け入れ可能でかつ上面および底面を有する頭部、および前記頭部の底面と前記シャンクとの間の首部を含む椎弓根スクリューと、を含み、
前記頭部が前記コレットの開口部内に受け入れ可能であり、そのため、前記椎弓根スクリューが、複数の位置にわたって移動可能であり、かつ前記椎弓根スクリューの首部と前記コレットとの間および前記首部と前記連結部との間の干渉を受けず、
前記コレットが、前記コレットの底から上方かつ内側に延在する環状の傾斜したリップを有する下端を有し、
前記連結部が、前記連結部の底から上方かつ内側に延在する環状の傾斜したリップを有する下端を有し、
前記連結部が、U字型の形態を有する第1のサドルを画定する前記連結部の対向領域に複数のフィンガーを有し、
前記コレットが複数のウィングを有し、前記複数のウィングのそれぞれが長手軸を画定し、前記複数のウィングが、前記コレットの対向領域上に配置され、かつ最下点を有する第2のサドルを画定し、前記複数のウィングが、互いに向かってかつ互いから離れるように屈曲するように適合および構成されている、手術装置。 - 前記椎弓根スクリューが少なくとも70°の円錐の可動域を有する、請求項1に記載の手術装置。
- 前記連結部の環状の傾斜したリップと前記椎弓根スクリューの中心線との間の角度が32°および72°の間の値を有し、
前記コレットの環状の傾斜したリップと前記中心線との間の角度が25°および65°の間の値を有する、
請求項1に記載の手術装置。 - 前記シャンクが、前記シャンクの上に形成された螺旋状のねじ山を含み、
前記首部が、前記頭部の底面の直径または前記シャンクの螺旋状のねじ山の直径よりも小さい直径を有する、
請求項1〜3のいずれか1項に記載の手術装置。 - 少なくとも1つのスロットが、前記第2のサドルの最下点から前記コレットの底に向かって延在する、請求項1〜4のいずれか1項に記載の手術装置。
- 少なくとも1つの溝が、前記複数のウィングのうち少なくとも1つの長手軸に対して垂直に延在し、かつ前記コレットの前方部分および後方部分を画定する、請求項1〜5のいずれか1項に記載の手術装置。
- 少なくとも1つの切欠きが、前記コレットの底で開口し、かつ前記複数のウィングのうち少なくとも1つの長手軸に対して垂直に延在する、請求項1〜6のいずれか1項に記載の手術装置。
- 前記少なくとも1つの溝が、前記第2のサドルから前記コレットの底に向かって延在する、請求項6に記載の手術装置。
- 前記第2のサドルの大きさが、互いに向かってまたは互いから離れるように前記複数のウィングを屈曲させることによって調節可能である、請求項1〜8のいずれか1項に記載の手術装置。
- 前記第2のサドルが、前記第2のサドル内にロッドを摩擦固定するように構成および適合されている、請求項1〜9のいずれか1項に記載の手術装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US7107P | 2007-10-23 | 2007-10-23 | |
US61/000,071 | 2007-10-23 | ||
PCT/US2008/080682 WO2009055407A1 (en) | 2007-10-23 | 2008-10-22 | Posterior pedicle screw having a taper lock |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014147704A Division JP2015006387A (ja) | 2007-10-23 | 2014-07-18 | テーパーロックを有する後方椎弓根スクリュー |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011500280A JP2011500280A (ja) | 2011-01-06 |
JP5651472B2 true JP5651472B2 (ja) | 2015-01-14 |
Family
ID=40579959
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010531174A Expired - Fee Related JP5651472B2 (ja) | 2007-10-23 | 2008-10-22 | テーパーロックを有する後方椎弓根スクリュー |
JP2014147704A Pending JP2015006387A (ja) | 2007-10-23 | 2014-07-18 | テーパーロックを有する後方椎弓根スクリュー |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014147704A Pending JP2015006387A (ja) | 2007-10-23 | 2014-07-18 | テーパーロックを有する後方椎弓根スクリュー |
Country Status (6)
Country | Link |
---|---|
US (1) | US8814919B2 (ja) |
EP (1) | EP2222238B1 (ja) |
JP (2) | JP5651472B2 (ja) |
AU (1) | AU2008316956B2 (ja) |
ES (1) | ES2570307T3 (ja) |
WO (1) | WO2009055407A1 (ja) |
Families Citing this family (102)
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US8814919B2 (en) | 2014-08-26 |
JP2011500280A (ja) | 2011-01-06 |
US20100262196A1 (en) | 2010-10-14 |
JP2015006387A (ja) | 2015-01-15 |
AU2008316956A1 (en) | 2009-04-30 |
ES2570307T3 (es) | 2016-05-17 |
EP2222238A1 (en) | 2010-09-01 |
AU2008316956B2 (en) | 2014-01-09 |
WO2009055407A1 (en) | 2009-04-30 |
EP2222238A4 (en) | 2013-05-01 |
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