JP6087356B2 - 骨アンカー - Google Patents
骨アンカー Download PDFInfo
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- JP6087356B2 JP6087356B2 JP2014527294A JP2014527294A JP6087356B2 JP 6087356 B2 JP6087356 B2 JP 6087356B2 JP 2014527294 A JP2014527294 A JP 2014527294A JP 2014527294 A JP2014527294 A JP 2014527294A JP 6087356 B2 JP6087356 B2 JP 6087356B2
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- 210000000988 bone and bone Anatomy 0.000 title claims description 159
- 230000007246 mechanism Effects 0.000 claims description 14
- 230000007704 transition Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 2
- 230000004323 axial length Effects 0.000 description 10
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- 239000000463 material Substances 0.000 description 4
- 210000000115 thoracic cavity Anatomy 0.000 description 4
- 238000004873 anchoring Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000002639 bone cement Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000002324 minimally invasive surgery Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 229910000684 Cobalt-chrome Inorganic materials 0.000 description 1
- 241000721047 Danaus plexippus Species 0.000 description 1
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- -1 Polyethylene Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- XEFQLINVKFYRCS-UHFFFAOYSA-N Triclosan Chemical compound OC1=CC(Cl)=CC=C1OC1=CC=C(Cl)C=C1Cl XEFQLINVKFYRCS-UHFFFAOYSA-N 0.000 description 1
- 230000002924 anti-infective effect Effects 0.000 description 1
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 1
- 230000008468 bone growth Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000010952 cobalt-chrome Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
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- CGMRCMMOCQYHAD-UHFFFAOYSA-J dicalcium hydroxide phosphate Chemical compound [OH-].[Ca++].[Ca++].[O-]P([O-])([O-])=O CGMRCMMOCQYHAD-UHFFFAOYSA-J 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
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- 238000002513 implantation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- 230000000399 orthopedic effect Effects 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
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- 239000010936 titanium Substances 0.000 description 1
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- 229960003500 triclosan Drugs 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
-
- 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
- A61B17/7097—Stabilisers comprising fluid filler in an implant, e.g. balloon; devices for inserting or filling such implants
- A61B17/7098—Stabilisers comprising fluid filler in an implant, e.g. balloon; devices for inserting or filling such implants wherein the implant is permeable or has openings, e.g. fenestrated screw
-
- 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
- A61B17/8625—Shanks, i.e. parts contacting bone tissue
- A61B17/8635—Tips of 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
- A61B17/864—Pins or screws or threaded wires; nuts therefor hollow, e.g. with socket or cannulated
-
- 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
- A61B17/8625—Shanks, i.e. parts contacting bone tissue
- A61B17/863—Shanks, i.e. parts contacting bone tissue with thread interrupted or changing its form along shank, other than constant taper
Description
(1) 骨アンカーアセンブリであって、
近位ヘッドと、骨と係合するように構成された遠位シャフトと、を有する骨アンカーであって、前記遠位シャフトは、前記近位ヘッドに近位の第1のねじ山付き部分と、前記第1のねじ山付き部分に近位で隣接している第2のねじ山付き部分と、前記第2のねじ山付き部分に近位で隣接している第3のねじ山付き部分と、を有し、前記骨アンカーは、前記近位ヘッドから前記遠位シャフトを通って延在する中央通路を含み、
前記第1のねじ山付き部分は、第1の外径、第1の内径及び第1の長さを有し、前記第1の外径及び前記第1の内径は前記第1のねじ山付き部分の前記第1の長さの全長にわたって一定であり、
前記第2のねじ山付き部分は、第2の外径、第2の内径及び第2の長さを有し、前記第2の外径及び前記第2の内径は前記第2のねじ山付き部分の前記第2の長さの全長にわたって近位から遠位方向にテーパーしており、前記第2の外径及び前記第2の内径は、前記第2のねじ山付き部分の前記第2の長さの全長にわたって前記第1の外径及び前記第1の内径より小さく、
前記第3のねじ山付き部分は、第3の外径、第3の内径及び第3の長さを有し、前記第3の外径は前記第3のねじ山付き部分の前記第3の長さの全長にわたって近位から遠位方向にテーパーしており、前記第3の外径は、前記第3のねじ山付き部分の前記第3の長さの全長にわたって前記第2の外径より小さく、前記第3の内径は、前記第3のねじ山付き部分の前記第3の長さの全長にわたって一定であり、前記第3の内径は、前記第2のねじ山付き部分から前記第3のねじ山付き部分への推移部にて前記第2の内径と同等である、骨アンカーと、
前記骨アンカーに連結されるように脊柱固定要素を受容するための受容部材であって、
間に陥凹を画定する一対の離間されたアームを有する近位端と、
前記骨アンカーの少なくとも一部分が通って延在する開口部を画定する遠位端表面を有する遠位端と、を有する、受容部材と、
前記受容部材内で脊柱固定要素を捕捉し、前記受容部材に対して前記脊柱固定要素を固定するように、前記アーム間で配置可能であり、かつそれに係合する閉鎖機構と、
を備える、骨アンカーアセンブリ。
(2) 前記第1のねじ山付き部分が、遠位ねじ山付き部分と近位ねじ山付き部分とを含み、前記遠位ねじ山付き部分が第1のピッチを有し、前記近位ねじ山付き部分が、前記第1のピッチより小さい第2のピッチを有する、実施態様1に記載の骨アンカーアセンブリ。
(3) 前記第2のねじ山付き部分がピッチを有し、前記第3のねじ山付き部分がピッチを有し、前記第2のねじ山付き部分のピッチ及び前記第3のねじ山付き部分のピッチが、前記第2のピッチと同等である、実施態様2に記載の骨アンカーアセンブリ。
(4) 前記第1のねじ山付き部分の前記遠位ねじ山付き部分が、第1の数のねじ山開始部を有し、前記第1のねじ山付き部分の前記近位ねじ山付き部分が、前記第1の数のねじ山開始部より多い第2の数のねじ山開始部を有し、前記遠位ねじ山付き部分及び前記近位ねじ山付き部分が、一定のリードを有する、実施態様3に記載の骨アンカーアセンブリ。
(5) 前記第2のねじ山付き部分が、ある数のねじ山開始部を有し、前記第3のねじ山付き部分が、ある数のねじ山開始部を有し、前記第2のねじ山付き部分のねじ山開始部の数及び前記第3のねじ山付き部分のねじ山開始部の数が、前記第1の数のねじ山開始部と同等であり、前記遠位ねじ山付き部分、前記近位ねじ山付き部分、前記第2のねじ山付き部分、及び前記第3のねじ山付き部分が一定のリードを有する、実施態様4に記載の骨アンカーアセンブリ。
(7) 前記側壁開口部が、前記中央通路から前記遠位シャフトの側壁を通って半径方向に延在する、実施態様6に記載の骨アンカーアセンブリ。
(8) 前記骨アンカーが、前記受容部材への前記脊柱固定要素の固定の前に前記受容部材に対して枢動可能である、実施態様1に記載の骨アンカーアセンブリ。
(9) 前記骨アンカーが前記受容部材に対して固定される、実施態様1に記載の骨アンカーアセンブリ。
(10) 前記遠位シャフトが、前記第3のねじ山付き部分に近位で隣接しているねじ山のない遠位先端部を含む、実施態様1に記載の骨アンカーアセンブリ。
Claims (11)
- 骨アンカーアセンブリであって、
近位ヘッドと、骨と係合するように構成された遠位シャフトと、を有する骨アンカーであって、前記遠位シャフトは、前記近位ヘッドに遠位の第1のねじ山付き部分と、前記第1のねじ山付き部分に遠位で隣接している第2のねじ山付き部分と、前記第2のねじ山付き部分に遠位で隣接している第3のねじ山付き部分と、を有し、前記骨アンカーは、前記近位ヘッドから前記遠位シャフトを通って延在する中央通路を含み、
前記第1のねじ山付き部分は、第1の外径、第1の内径及び第1の長さを有し、前記第1の外径及び前記第1の内径は前記第1のねじ山付き部分の前記第1の長さの全長にわたって一定であり、
前記第2のねじ山付き部分は、第2の外径、第2の内径及び第2の長さを有し、前記第2の外径及び前記第2の内径は前記第2のねじ山付き部分の前記第2の長さの全長にわたって近位から遠位方向にテーパーしており、前記第2の外径及び前記第2の内径は、前記第2のねじ山付き部分の前記第2の長さの全長にわたって前記第1の外径及び前記第1の内径より小さく、
前記第3のねじ山付き部分は、第3の外径、第3の内径及び第3の長さを有し、前記第3の外径は前記第3のねじ山付き部分の前記第3の長さの全長にわたって近位から遠位方向にテーパーしており、前記第3の外径は、前記第3のねじ山付き部分の前記第3の長さの全長にわたって前記第2の外径より小さく、前記第3の内径は、前記第3のねじ山付き部分の前記第3の長さの全長にわたって一定であり、前記第3の内径は、前記第2のねじ山付き部分から前記第3のねじ山付き部分への推移部にて前記第2の内径と同等である、骨アンカーと、
前記骨アンカーに連結されるように脊柱固定要素を受容するための受容部材であって、
間に陥凹を画定する一対の離間されたアームを有する近位端と、
前記骨アンカーの少なくとも一部分が通って延在する開口部を画定する遠位端表面を有する遠位端と、を有する、受容部材と、
前記受容部材内で脊柱固定要素を捕捉し、前記受容部材に対して前記脊柱固定要素を固定するように、前記アーム間に配置可能であり、かつそれに係合する閉鎖機構と、
を備える、骨アンカーアセンブリ。 - 前記第1のねじ山付き部分が、遠位ねじ山付き部分と近位ねじ山付き部分とを含み、前記遠位ねじ山付き部分が第1のピッチを有し、前記近位ねじ山付き部分が、前記第1のピッチより小さい第2のピッチを有する、請求項1に記載の骨アンカーアセンブリ。
- 前記第2のねじ山付き部分がピッチを有し、前記第3のねじ山付き部分がピッチを有し、前記第2のねじ山付き部分のピッチ及び前記第3のねじ山付き部分のピッチが、前記第2のピッチと同等である、請求項2に記載の骨アンカーアセンブリ。
- 前記第1のねじ山付き部分の前記遠位ねじ山付き部分が、第1の数のねじ山開始部を有し、前記第1のねじ山付き部分の前記近位ねじ山付き部分が、前記第1の数のねじ山開始部より多い第2の数のねじ山開始部を有し、前記遠位ねじ山付き部分及び前記近位ねじ山付き部分が、一定のリードを有する、請求項3に記載の骨アンカーアセンブリ。
- 前記第2のねじ山付き部分が、ある数のねじ山開始部を有し、前記第3のねじ山付き部分が、ある数のねじ山開始部を有し、前記第2のねじ山付き部分のねじ山開始部の数及び前記第3のねじ山付き部分のねじ山開始部の数が、前記第1の数のねじ山開始部と同等であり、前記遠位ねじ山付き部分、前記近位ねじ山付き部分、前記第2のねじ山付き部分、及び前記第3のねじ山付き部分が一定のリードを有する、請求項4に記載の骨アンカーアセンブリ。
- 前記遠位シャフトが、前記中央通路と連通する複数の側壁開口部を含む、請求項1に記載の骨アンカーアセンブリ。
- 前記側壁開口部が、前記中央通路から前記遠位シャフトの側壁を通って半径方向に延在する、請求項6に記載の骨アンカーアセンブリ。
- 前記骨アンカーが、前記受容部材への前記脊柱固定要素の固定の前に前記受容部材に対して枢動可能である、請求項1に記載の骨アンカーアセンブリ。
- 前記骨アンカーが前記受容部材に対して固定される、請求項1に記載の骨アンカーアセンブリ。
- 前記遠位シャフトが、前記第3のねじ山付き部分に遠位で隣接しているねじ山のない遠位先端部を含む、請求項1に記載の骨アンカーアセンブリ。
- 前記ねじ山のない遠位先端部が、近位から遠位方向にテーパーしており、概ね円錐形である、請求項10に記載の骨アンカーアセンブリ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161527389P | 2011-08-25 | 2011-08-25 | |
US61/527,389 | 2011-08-25 | ||
PCT/US2012/052045 WO2013028851A1 (en) | 2011-08-25 | 2012-08-23 | Bone anchors |
Publications (2)
Publication Number | Publication Date |
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JP2014529446A JP2014529446A (ja) | 2014-11-13 |
JP6087356B2 true JP6087356B2 (ja) | 2017-03-01 |
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JP2014527294A Active JP6087356B2 (ja) | 2011-08-25 | 2012-08-23 | 骨アンカー |
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US (4) | US9155580B2 (ja) |
EP (1) | EP2747687B1 (ja) |
JP (1) | JP6087356B2 (ja) |
CN (1) | CN103889351B (ja) |
AU (1) | AU2012298832B2 (ja) |
ES (1) | ES2634101T3 (ja) |
WO (1) | WO2013028851A1 (ja) |
Families Citing this family (90)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101547944B (zh) * | 2006-12-27 | 2013-07-24 | 三菱化学株式会社 | 聚烯烃的制造方法和聚烯烃以及线型低密度聚乙烯制造原料用1-己烯 |
US8007522B2 (en) | 2008-02-04 | 2011-08-30 | Depuy Spine, Inc. | Methods for correction of spinal deformities |
ES2387512T3 (es) * | 2008-09-05 | 2012-09-25 | Biedermann Technologies Gmbh & Co. Kg | Dispositivo de estabilización para huesos, en particular para la columna vertebral |
EP2745789B1 (en) | 2008-10-30 | 2017-04-19 | Depuy Spine Inc. | Systems for delivering bone cement to a bone anchor |
US8641717B2 (en) | 2010-07-01 | 2014-02-04 | DePuy Synthes Products, LLC | Guidewire insertion methods and devices |
US20130089747A1 (en) | 2011-05-20 | 2013-04-11 | William Maxwell Allen, Jr. | Fibers of Polymer-Wax Compositions |
US9155580B2 (en) | 2011-08-25 | 2015-10-13 | Medos International Sarl | Multi-threaded cannulated bone anchors |
US10363140B2 (en) | 2012-03-09 | 2019-07-30 | Si-Bone Inc. | Systems, device, and methods for joint fusion |
EP2682062B1 (en) * | 2012-07-03 | 2015-09-16 | Biedermann Technologies GmbH & Co. KG | Polyaxial bone anchoring device |
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US20130053901A1 (en) | 2013-02-28 |
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US9155580B2 (en) | 2015-10-13 |
US20220071666A1 (en) | 2022-03-10 |
US11202659B2 (en) | 2021-12-21 |
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US20160000472A1 (en) | 2016-01-07 |
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