JP2011115586A - 骨ねじ - Google Patents
骨ねじ Download PDFInfo
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- JP2011115586A JP2011115586A JP2010266329A JP2010266329A JP2011115586A JP 2011115586 A JP2011115586 A JP 2011115586A JP 2010266329 A JP2010266329 A JP 2010266329A JP 2010266329 A JP2010266329 A JP 2010266329A JP 2011115586 A JP2011115586 A JP 2011115586A
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- bone screw
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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
- A61B17/84—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
- A61B17/8685—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
- A61B17/8605—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
- A61B17/8605—Heads, i.e. proximal ends projecting from bone
- A61B17/861—Heads, i.e. proximal ends projecting from bone specially shaped for gripping driver
- A61B17/8615—Heads, i.e. proximal ends projecting from bone specially shaped for gripping driver at the central region of the screw head
-
- 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
-
- 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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8897—Guide wires or guide pins
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Neurology (AREA)
- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
【解決手段】 外壁の少なくとも一部分に骨ねじ山(5)を有する管状体(1)を含む骨ねじが提供される。管状体(1)は、開いた第1端(2)と第2端(3)とを有し、複数の切歯(4)が開いた第1端(2)に設けられ、頭部(7)が第2端に設けられる。
【選択図】図1
Description
4) さらに、たとえば国際公開第01/26568号に記載されているような、骨セメントまたは他の液体もしくは糊状の材料を骨に注入するのに使用されるいわゆる射出ねじが知られている。この種のねじは、骨ねじ内を延在する比較的細長いカニューレを有する。カニューレは、骨片または骨移植片で充填するのに好適ではない。
ある時間が経過した後、管状体内の骨材料は、骨ねじを包囲する骨材料と融合し、したがって骨ねじは骨に堅固に接続される。これにより、特に骨折部分もしくは不安定な骨を堅く接続することができる、または弱い骨粗鬆症の骨を安定化させることができる。
Claims (18)
- 外壁の少なくとも一部分に骨ねじ山(5、5′)を有する管状体(1、1′、1″)を備える骨ねじであって、前記管状体は、開いた第1端(2)と第2端(3)とを有し、
複数の切歯(4、4′)が前記開いた第1端(2)に設けられ、
頭部(7、7′)が前記第2端(3)に設けられる、骨ねじ。 - 前記切歯(4、4′)は、前記管状体の中心軸(L)と同軸に延在する、請求項1に記載の骨ねじ。
- 前記切歯(4、4′)は、前記管状体(1、1′、1″)が骨に捩じ込まれると、穴を開けるように構成される、請求項1または2に記載の骨ねじ。
- 前記切歯(4、4′)は、ほぼ鋸歯形状を有する、請求項1から3のいずれか1項に記載の骨ねじ。
- 前記切歯(4)は、前記管状体の壁と比較して径方向に厚い、請求項1から4のいずれか1項に記載の骨ねじ。
- 前記管状体の壁の厚さは、前記管状体の外径の約15%より小さい、請求項1から5のいずれか1項に記載の骨ねじ。
- 前記管状体の壁は、複数の開口部(6、6′、6″、6′′′)を含む、請求項1から6のいずれか1項に記載の骨ねじ。
- 前記管状体はねじ山のない部分を含む、請求項1から7のいずれか1項に記載の骨ねじ。
- 前記頭部(7、7′)は、ねじ回しと係合するための構造(71)を含む、請求項1から8のいずれか1項に記載の骨ねじ。
- 前記頭部(7)は、前記管状体(1′)と一体に設計される、請求項1から9のいずれか1項に記載の骨ねじ。
- 前記頭部(7)は、前記管状体(1)に接続することができる別個の部分である、請求項1から9のいずれか1項に記載の骨ねじ。
- 前記頭部(7、7′)は、前記管状体に対面する第1端と、前記管状体の反対側の第2端とを有し、前記第1端は、受面をもたらすほぼ平坦部分(70)を有する、請求項1から11のいずれか1項に記載の骨ねじ。
- 前記頭部は、その中を貫通してワイヤ(8)を案内するように構成された案内穴(72)を有する、請求項1から12のいずれか1項に記載の骨ねじ。
- 前記管状体(1)において、その中を貫通してワイヤ(8)を案内するように構成され、かつ好ましくは前記管状体の長手軸(L)に沿って移動可能である挿入体(9)が設けれられる、請求項1から13のいずれか1項に記載の骨ねじ。
- 前記骨ねじ山(5)の頂部(5a)は連続的である、請求項1から14のいずれか1項に記載の骨ねじ。
- 前記骨ねじ山の頂部(5a′)は中断される、好ましくは一定の間隔で中断される、請求項1から14のいずれか1項に記載の骨ねじ。
- 前記管状体(1、1′)は円柱状である、請求項1から16のいずれか1項に記載の骨ねじ。
- 前記切歯(4、4′)は、前記開いた第1端(2)の縁を形成する、請求項1から17のいずれか1項に記載の骨ねじ。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US26638209P | 2009-12-03 | 2009-12-03 | |
US61/266,382 | 2009-12-03 | ||
EP09177909.0 | 2009-12-03 | ||
EP09177909A EP2329780B1 (en) | 2009-12-03 | 2009-12-03 | Bone screw |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011115586A true JP2011115586A (ja) | 2011-06-16 |
JP5705515B2 JP5705515B2 (ja) | 2015-04-22 |
Family
ID=41561505
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010266329A Expired - Fee Related JP5705515B2 (ja) | 2009-12-03 | 2010-11-30 | 骨ねじ |
Country Status (7)
Country | Link |
---|---|
US (1) | US10271882B2 (ja) |
EP (2) | EP2329780B1 (ja) |
JP (1) | JP5705515B2 (ja) |
KR (1) | KR20110063331A (ja) |
CN (2) | CN103989516A (ja) |
ES (2) | ES2439870T3 (ja) |
TW (1) | TW201119619A (ja) |
Cited By (1)
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- 2009-12-03 ES ES12178033.2T patent/ES2439870T3/es active Active
- 2009-12-03 ES ES09177909T patent/ES2407989T3/es active Active
- 2009-12-03 EP EP12178033.2A patent/EP2517661B1/en active Active
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2010
- 2010-11-30 CN CN201410251464.XA patent/CN103989516A/zh active Pending
- 2010-11-30 KR KR1020100120527A patent/KR20110063331A/ko not_active Application Discontinuation
- 2010-11-30 CN CN201010566721.0A patent/CN102085113B/zh not_active Expired - Fee Related
- 2010-11-30 JP JP2010266329A patent/JP5705515B2/ja not_active Expired - Fee Related
- 2010-11-30 TW TW099141320A patent/TW201119619A/zh unknown
- 2010-12-02 US US12/958,914 patent/US10271882B2/en active Active
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Also Published As
Publication number | Publication date |
---|---|
CN102085113A (zh) | 2011-06-08 |
US10271882B2 (en) | 2019-04-30 |
ES2439870T3 (es) | 2014-01-27 |
EP2329780B1 (en) | 2013-02-20 |
CN102085113B (zh) | 2015-06-17 |
US20110137352A1 (en) | 2011-06-09 |
TW201119619A (en) | 2011-06-16 |
EP2329780A1 (en) | 2011-06-08 |
JP5705515B2 (ja) | 2015-04-22 |
EP2517661A1 (en) | 2012-10-31 |
ES2407989T3 (es) | 2013-06-17 |
KR20110063331A (ko) | 2011-06-10 |
CN103989516A (zh) | 2014-08-20 |
EP2517661B1 (en) | 2013-10-02 |
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