JP6230283B2 - 骨固定具 - Google Patents
骨固定具 Download PDFInfo
- Publication number
- JP6230283B2 JP6230283B2 JP2013124503A JP2013124503A JP6230283B2 JP 6230283 B2 JP6230283 B2 JP 6230283B2 JP 2013124503 A JP2013124503 A JP 2013124503A JP 2013124503 A JP2013124503 A JP 2013124503A JP 6230283 B2 JP6230283 B2 JP 6230283B2
- Authority
- JP
- Japan
- Prior art keywords
- bone anchor
- bone
- core member
- fixture
- anchor according
- 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
Links
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
- A61B17/84—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
- A61B17/686—Plugs, i.e. elements forming interface between bone hole and implant or fastener, e.g. 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
- A61B17/8685—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
- A61B17/8625—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
- A61B17/866—Material or manufacture
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Molecular Biology (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Neurology (AREA)
- Medical Informatics (AREA)
- Surgical Instruments (AREA)
- Dermatology (AREA)
- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Epidemiology (AREA)
- Materials For Medical Uses (AREA)
- Prostheses (AREA)
Description
さらなる特徴および利点は、添付の図面を用いた実施例の説明から明らかになる。
Claims (14)
- 骨固定具であって、
開いた第1の端部(11)と、開いた第2の端部(12)と、前記第1の端部(11)および前記第2の端部(12)の間の管状セクション(13)と、前記第1の端部から前記第2の端部まで延びる長手方向軸(L)と、前記管状セクション(13)の少なくとも一部において骨を係合させるための骨係合構造(16)とを有する固定具部材(1,1’)を備え、
前記固定具部材(1,1’)は第1の材料でできており前記第2の端部(12)において拡張可能であり、
前記骨固定具はさらに、
第1の端部(21)と第2の端部(22)とを有し前記第2の端部に向かって先細りになる先端部(24)を前記第2の端部(22)に有するコア部材(2,2’)を備え、
前記コア部材(2,2’)は、前記固定具部材に前記第1の端部から挿入可能かつ接続可能であり、
前記コア部材(2,2’)は、前記第1の材料とは異なる第2の材料でできており、
前記コア部材(2)は、前記第1の端部(11)に向かう前記コア部材(2)の動きを防ぐように前記固定具部材(1)の当接部(12)と協働する当接部(24a)を備え、
前記コア部材(2,2’)が完全に挿入された状態となるように前記コア部材(2,2’)を前進させると、前記先端部(24)は前記固定具部材(1,1’)の前記第2の端部(12)から出る前に前記第2の端部(12)において前記固定具部材(1,1’)を拡張させ、前記拡張した第2の端部(12)が元に戻ることで、前記固定具部材(1,1’)は、前記コア部材(2,2’)が完全に挿入された状態において、前記第2の端部(12)において前記先端部(24)の前記当接部(24a)に対する前記長手方向軸(L)方向の当接部を形成し、
前記固定具部材(1’)の前記管状セクション(13)の内壁は、前記コア部材(2’)の回転を防ぐように前記コア部材(2’)の対応する外形(26a)と協働する外形(18)を有する、骨固定具。 - 前記第1の材料は、前記第2の材料よりも大きな可撓性を示す材料である、請求項1に記載の骨固定具。
- 前記第1の材料は高分子材料である、請求項1または2に記載の骨固定具。
- 前記第2の材料は金属材料である、請求項1から3のいずれかに記載の骨固定具。
- 前記骨係合構造(16)は骨ねじ山である、請求項1から4のいずれかに記載の骨固定具。
- 前記固定具部材(1,1’)は、前記長手方向軸に実質的に平行に延び、前記第2の端部(12)に開いた少なくとも2つのスリット(15)を備える、請求項1から5のいずれかに記載の骨固定具。
- 前記固定具部材は、前記第2の端部(12)のまたは前記第2の端部(12)付近の内壁に、前記第2の端部(12)に向かって先細りになるテーパセクション(14a)を備える、請求項1から6のいずれかに記載の骨固定具。
- 前記固定具部材(1,1’)は、前記第1の端部(11)にまたは前記第1の端部(11)付近に係合構造(17)を備える、請求項1から7のいずれかに記載の骨固定具。
- 前記係合構造(17)は、前記第1の端部(11)の前面から前記管状セクション(13)の中に延びる少なくとも1つの凹部の形態で設けられている、請求項8に記載の骨固定具。
- 前記コア部材(2,2’)は、頭部(3,3’)を前記第1の端部に備える、請求項1から9のいずれかに記載の骨固定具。
- 前記頭部(3,3’)は、球状外面部(32)を有する、請求項10に記載の骨固定具。
- 前記頭部(3,3’)は、前記固定具部材(1,1’)を係合させるための係合部(34)を備える、請求項11に記載の骨固定具。
- 前記先端部(24)の最大外径は、前記第2の端部(12)における管状セクション(14)の内径よりも大きい、請求項1から12のいずれかに記載の骨固定具。
- 前記管状セクションの前記内壁は、少なくとも1つの長手方向に延びる突出部(18)を備え、前記コア部材は、少なくとも1つの対応する長手方向溝(26a’)を備える、請求項1から13のいずれかに記載の骨固定具。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261661243P | 2012-06-18 | 2012-06-18 | |
EP12172417.3A EP2676622B1 (en) | 2012-06-18 | 2012-06-18 | Bone anchor |
EP12172417.3 | 2012-06-18 | ||
US61/661,243 | 2012-06-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014000402A JP2014000402A (ja) | 2014-01-09 |
JP6230283B2 true JP6230283B2 (ja) | 2017-11-15 |
Family
ID=46331044
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013124503A Expired - Fee Related JP6230283B2 (ja) | 2012-06-18 | 2013-06-13 | 骨固定具 |
Country Status (7)
Country | Link |
---|---|
US (1) | US10010361B2 (ja) |
EP (1) | EP2676622B1 (ja) |
JP (1) | JP6230283B2 (ja) |
KR (1) | KR20130142075A (ja) |
CN (1) | CN103505277B (ja) |
ES (1) | ES2563758T3 (ja) |
TW (1) | TW201400082A (ja) |
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EP3267912A4 (en) * | 2015-03-12 | 2019-01-16 | Spinal Balance, Inc. | PEDIKELREKONSTRUKTIONSVORRICHTUNG |
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-
2012
- 2012-06-18 EP EP12172417.3A patent/EP2676622B1/en active Active
- 2012-06-18 ES ES12172417.3T patent/ES2563758T3/es active Active
-
2013
- 2013-06-13 JP JP2013124503A patent/JP6230283B2/ja not_active Expired - Fee Related
- 2013-06-13 TW TW102120828A patent/TW201400082A/zh unknown
- 2013-06-13 KR KR1020130067979A patent/KR20130142075A/ko not_active Application Discontinuation
- 2013-06-13 CN CN201310231498.8A patent/CN103505277B/zh not_active Expired - Fee Related
- 2013-06-17 US US13/919,966 patent/US10010361B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN103505277A (zh) | 2014-01-15 |
EP2676622B1 (en) | 2015-12-30 |
KR20130142075A (ko) | 2013-12-27 |
EP2676622A1 (en) | 2013-12-25 |
TW201400082A (zh) | 2014-01-01 |
ES2563758T3 (es) | 2016-03-16 |
US10010361B2 (en) | 2018-07-03 |
JP2014000402A (ja) | 2014-01-09 |
CN103505277B (zh) | 2017-08-25 |
US20140005731A1 (en) | 2014-01-02 |
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