JP5080622B2 - 茎用ねじアセンブリのための継手要素 - Google Patents
茎用ねじアセンブリのための継手要素 Download PDFInfo
- Publication number
- JP5080622B2 JP5080622B2 JP2010171998A JP2010171998A JP5080622B2 JP 5080622 B2 JP5080622 B2 JP 5080622B2 JP 2010171998 A JP2010171998 A JP 2010171998A JP 2010171998 A JP2010171998 A JP 2010171998A JP 5080622 B2 JP5080622 B2 JP 5080622B2
- Authority
- JP
- Japan
- Prior art keywords
- head
- fastener
- insert
- coupling element
- recess
- 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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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
- A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
- A61B17/7076—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling for driving, positioning or assembling spinal clamps or bone anchors specially adapted for spinal fixation
- A61B17/7082—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling for driving, positioning or assembling spinal clamps or bone anchors specially adapted for spinal fixation for driving, i.e. rotating, screws or screw parts specially adapted for spinal fixation, e.g. for driving polyaxial or tulip-headed 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
- A61B17/70—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
- A61B17/861—Heads, i.e. proximal ends projecting from bone specially shaped for gripping driver
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Neurology (AREA)
- Life Sciences & Earth Sciences (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)
- Mutual Connection Of Rods And Tubes (AREA)
Description
32 締結具の先端部
34 締結具の頭部
34' 締結具の頭部
44 締結具の外表面
46 締結具の凹所
48 締結具の内表面
50 頭部にあるスロット
52 可撓性アーム部
52' 可撓性アーム部
54 可撓性アーム部にあるタブ
56 インサート
56' インサート
58 インサートの上端
60 インサートの下端
62 インサートの外表面
64 インサートのフランジ部
70 継手要素
70' 継手要素
72 継手要素の上端
74 継手要素の下端
84 頭部を受ける孔
88 継手要素の座部
90 骨
92 整形ロッド
94 ロッド受容開口
96 止めねじ(ロック部材)
130 締結具
132 締結具の先端部
134 締結具の頭部
146 締結具の凹所
150 頭部にあるスロット
152 可撓性アーム部
156 インサート
158 インサートの上端
160 インサートの下端
164 インサートのフランジ部
170 継手要素
188 継手要素の座部
190 骨
192 整形ロッド
194 ロッド受容開口
196 止めねじ(ロック部材)
230 締結具
232 締結具の先端部
234 締結具の頭部
256 インサート
262 インサートの外表面
270 インサート
292 整形ロッド
294 ロッド受容開口
356 インサート
358 インサートの上端
364 インサートのフランジ部
430 締結具
434 締結具の頭部
446 締結具の凹所
452 可撓性アーム部
456 インサート
458 インサートの上端
460 インサートの下端
530 締結具
534 締結具の頭部
544 可撓性アーム部
550 頭部にあるスロット
590 骨
630 締結具
690 骨
Claims (4)
- 骨に挿入するための先端部と、該先端部の反対側端部のところにある拡張可能な頭部とを有する締結具であって、該頭部は、凸状部を含む外表面と、内表面を有し内法寸法を規定する凹所とを有する締結具と、
前記凹所内に少なくとも部分的に配置することができるインサートであって、外表面を有し前記凹所の内法寸法よりも大きい外法寸法を規定するインサートと、
上端と、下端と、前記締結具の前記頭部を受けるための前記上端から前記下端に向かい延びるロッド受容開口とを有する継手要素であって、前記締結具の前記頭部を受けるための前記上端及び下端間に延びる孔と、前記締結具の前記頭部の前記凸状部を受けるための凹状部を含み、ロックされる前に前記継手要素に関して前記締結具が搖動するのを可能にする座部と、把持面を含む外表面と、を有する継手要素と、
前記継手要素に関連したロック部材であって、該ロック部材は、前記ロッド受容開口内に配置される整形ロッドに強制的に押し付けられて、前記インサートの前記外法寸法が前記頭部の内法寸法に当接されるように、前記インサートを前記頭部の前記凹所内に押し込むようになっていて、前記継手要素が前記締結具に関して枢回運動するのを阻止するため前記頭部が拡開して前記継手要素の前記座部に当るロック部材と、
を備える茎用ねじアセンブリ。 - 前記継手要素は前記継手要素の前記上端及び下端間に延びる長手方向軸線を有する、請求項1に記載の茎用ねじアセンブリ。
- 前記把持面は、前記継手要素の前記外表面に形成された1つ以上の凹状部を含む、請求項2に記載の茎用ねじアセンブリ。
- 前記1つ以上の凹状部は、前記継手要素の長手方向軸線を横断する方向に延びる、請求項3に記載の茎用ねじアセンブリ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/414272 | 1999-10-07 | ||
US09/414,272 US6554834B1 (en) | 1999-10-07 | 1999-10-07 | Slotted head pedicle screw assembly |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2000308713A Division JP4594509B2 (ja) | 1999-10-07 | 2000-10-10 | 茎用ねじアセンブリ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010279719A JP2010279719A (ja) | 2010-12-16 |
JP5080622B2 true JP5080622B2 (ja) | 2012-11-21 |
Family
ID=23640731
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2000308713A Expired - Fee Related JP4594509B2 (ja) | 1999-10-07 | 2000-10-10 | 茎用ねじアセンブリ |
JP2010171998A Expired - Fee Related JP5080622B2 (ja) | 1999-10-07 | 2010-07-30 | 茎用ねじアセンブリのための継手要素 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2000308713A Expired - Fee Related JP4594509B2 (ja) | 1999-10-07 | 2000-10-10 | 茎用ねじアセンブリ |
Country Status (6)
Country | Link |
---|---|
US (1) | US6554834B1 (ja) |
EP (1) | EP1090595B1 (ja) |
JP (2) | JP4594509B2 (ja) |
AU (1) | AU771400B2 (ja) |
CA (1) | CA2321803C (ja) |
DE (1) | DE60007253T2 (ja) |
Families Citing this family (298)
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-
1999
- 1999-10-07 US US09/414,272 patent/US6554834B1/en not_active Expired - Lifetime
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2000
- 2000-09-18 AU AU59479/00A patent/AU771400B2/en not_active Expired
- 2000-09-21 EP EP00120671A patent/EP1090595B1/en not_active Expired - Lifetime
- 2000-09-21 DE DE60007253T patent/DE60007253T2/de not_active Expired - Lifetime
- 2000-09-28 CA CA002321803A patent/CA2321803C/en not_active Expired - Lifetime
- 2000-10-10 JP JP2000308713A patent/JP4594509B2/ja not_active Expired - Fee Related
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2010
- 2010-07-30 JP JP2010171998A patent/JP5080622B2/ja not_active Expired - Fee Related
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EP1090595A2 (en) | 2001-04-11 |
EP1090595A3 (en) | 2001-11-28 |
AU5947900A (en) | 2001-04-12 |
CA2321803A1 (en) | 2001-04-07 |
DE60007253T2 (de) | 2004-05-27 |
JP2010279719A (ja) | 2010-12-16 |
US6554834B1 (en) | 2003-04-29 |
JP4594509B2 (ja) | 2010-12-08 |
CA2321803C (en) | 2008-04-08 |
EP1090595B1 (en) | 2003-12-17 |
DE60007253D1 (de) | 2004-01-29 |
AU771400B2 (en) | 2004-03-18 |
JP2001140919A (ja) | 2001-05-22 |
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