JP4498412B2 - 偏倚角を有する多軸式柄接合用ねじ組立体 - Google Patents
偏倚角を有する多軸式柄接合用ねじ組立体 Download PDFInfo
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- JP4498412B2 JP4498412B2 JP2007500934A JP2007500934A JP4498412B2 JP 4498412 B2 JP4498412 B2 JP 4498412B2 JP 2007500934 A JP2007500934 A JP 2007500934A JP 2007500934 A JP2007500934 A JP 2007500934A JP 4498412 B2 JP4498412 B2 JP 4498412B2
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- 210000000988 bone and bone Anatomy 0.000 claims abstract description 65
- 238000004873 anchoring Methods 0.000 claims description 32
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 14
- 238000001356 surgical procedure Methods 0.000 description 12
- 230000000712 assembly Effects 0.000 description 8
- 238000000429 assembly Methods 0.000 description 8
- 230000004927 fusion Effects 0.000 description 8
- 210000000115 thoracic cavity Anatomy 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000012937 correction Methods 0.000 description 3
- 239000007943 implant Substances 0.000 description 3
- 206010061246 Intervertebral disc degeneration Diseases 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000018180 degenerative disc disease Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 208000021600 intervertebral disc degenerative disease Diseases 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000007246 mechanism Effects 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
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 206010041569 spinal fracture Diseases 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
- 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 or setting implements
- 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, e.g. 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
- 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 or setting implements
- 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, e.g. 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
- 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 or setting implements
- 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, e.g. 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
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- 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)
- Forging (AREA)
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
Description
Claims (17)
- サドル付きピンと、
角度付き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穴と
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、縦部材を受承するようにされたU字形の溝部を備える請求項1記載の組立体。
- 前記凹面形ソケットが、角度付きの頂部と丸い底面とを備える請求項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、
前記ねじ頭が一方向に他方向よりも大きく角度傾斜することを可能にするようにされた上部外側面と、
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3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とに係合するようにされている請求項2記載の組立体。
- 前記ブロッカーが、前記縦部材を固定するようにされている請求項2記載の組立体。
- 前記サドル付きピンが、
溝と一対の直立端部とを有する上面を備えたサドル上部と、
前記溝に隣接したテーパ付き下部とを備える請求項1記載の組立体。 - 前記ねじ頭が、前記U字形の溝部によって分割された二つの対向した直立端部をさらに備える請求項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備え、前記内壁が壁ねじ山を備え、さらに、前記外壁が凹みを備える請求項8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備え、前記ブロッカーねじ山が、前記壁ねじ山に嵌まり合う大きさにされ、そして、嵌まり合うように形成されている請求項9記載の組立体。
- 前記ねじ頭の前記球形端部が、前記球形端部の下端の開口部に終端をなす複数の溝を備える請求項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穴を備える請求項1記載の組立体。
- 前記骨固定用部品が、骨接合用ねじまたはフックの何れかを備える請求項1記載の組立体。
- 縦部材と、
角度付き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溝と、
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。 - 前記骨固定用部品の前記偏った角度付き凹面形ソケットが、
前記ねじ頭の前記球形端部を受承する内側部分と、
凹みが設けられた外側部分とを備える請求項14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穴を備える請求項14記載の組立体。
- 前記骨固定用部品が、骨接合用ねじまたはフックの何れかを備える請求項14記載の組立体。
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US54854304P | 2004-02-27 | 2004-02-27 | |
| US62245404P | 2004-10-27 | 2004-10-27 | |
| US11/048,213 US7163539B2 (en) | 2004-02-27 | 2005-02-01 | Biased angle polyaxial pedicle screw assembly |
| PCT/US2005/005676 WO2005086649A2 (en) | 2004-02-27 | 2005-02-23 | Biased angle polyaxial pedicle screw assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2007523723A JP2007523723A (ja) | 2007-08-23 |
| JP4498412B2 true JP4498412B2 (ja) | 2010-07-07 |
Family
ID=34890979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007500934A Expired - Fee Related JP4498412B2 (ja) | 2004-02-27 | 2005-02-23 | 偏倚角を有する多軸式柄接合用ねじ組立体 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US7163539B2 (ja) |
| EP (1) | EP1722700B1 (ja) |
| JP (1) | JP4498412B2 (ja) |
| AT (1) | ATE447374T1 (ja) |
| DE (1) | DE602005017470D1 (ja) |
| WO (1) | WO2005086649A2 (ja) |
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| WO2003059182A1 (de) * | 2001-12-31 | 2003-07-24 | Synthes Ag Chur | Vorrichtung zur kugelgelenkartigen verbindung zweier teile |
| US6641586B2 (en) * | 2002-02-01 | 2003-11-04 | Depuy Acromed, Inc. | Closure system for spinal fixation instrumentation |
| EP1474053A1 (en) | 2002-02-13 | 2004-11-10 | Cross Medical Products, Inc. | Posterior polyaxial system for the spine |
| US7163538B2 (en) * | 2002-02-13 | 2007-01-16 | Cross Medical Products, Inc. | Posterior rod system |
| US6648888B1 (en) | 2002-09-06 | 2003-11-18 | Endius Incorporated | Surgical instrument for moving a vertebra |
| DE20314297U1 (de) * | 2003-09-12 | 2003-11-20 | AlloCon GmbH, 42929 Wermelskirchen | Knochenschraube |
-
2005
- 2005-02-01 US US11/048,213 patent/US7163539B2/en not_active Expired - Lifetime
- 2005-02-23 EP EP05713963A patent/EP1722700B1/en not_active Expired - Lifetime
- 2005-02-23 JP JP2007500934A patent/JP4498412B2/ja not_active Expired - Fee Related
- 2005-02-23 DE DE602005017470T patent/DE602005017470D1/de not_active Expired - Lifetime
- 2005-02-23 AT AT05713963T patent/ATE447374T1/de not_active IP Right Cessation
- 2005-02-23 WO PCT/US2005/005676 patent/WO2005086649A2/en not_active Ceased
-
2006
- 2006-11-30 US US11/564,972 patent/US7763057B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| WO2005086649B1 (en) | 2006-09-21 |
| EP1722700A4 (en) | 2008-05-21 |
| DE602005017470D1 (de) | 2009-12-17 |
| US20070093831A1 (en) | 2007-04-26 |
| ATE447374T1 (de) | 2009-11-15 |
| US7163539B2 (en) | 2007-01-16 |
| WO2005086649A2 (en) | 2005-09-22 |
| EP1722700B1 (en) | 2009-11-04 |
| US20050192573A1 (en) | 2005-09-01 |
| WO2005086649A3 (en) | 2006-07-27 |
| US7763057B2 (en) | 2010-07-27 |
| EP1722700A2 (en) | 2006-11-22 |
| JP2007523723A (ja) | 2007-08-23 |
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