JP6044961B2 - 脊椎制動具 - Google Patents
脊椎制動具 Download PDFInfo
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- JP6044961B2 JP6044961B2 JP2013521603A JP2013521603A JP6044961B2 JP 6044961 B2 JP6044961 B2 JP 6044961B2 JP 2013521603 A JP2013521603 A JP 2013521603A JP 2013521603 A JP2013521603 A JP 2013521603A JP 6044961 B2 JP6044961 B2 JP 6044961B2
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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, 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
- A61B17/7062—Devices acting on, attached to, or simulating the effect of, vertebral processes, vertebral facets or ribs ; Tools for such devices
- A61B17/7068—Devices comprising separate rigid parts, assembled in situ, to bear on each side of spinous processes; Tools therefor
-
- 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
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8085—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates with pliable or malleable elements or having a mesh-like structure, e.g. small strips
-
- 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
- A61B2017/568—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor produced with shape and dimensions specific for an individual patient
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/10—Computer-aided planning, simulation or modelling of surgical operations
- A61B2034/108—Computer aided selection or customisation of medical implants or cutting guides
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2002/449—Joints for the spine, e.g. vertebrae, spinal discs comprising multiple spinal implants located in different intervertebral spaces or in different vertebrae
Landscapes
- 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)
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- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
- Prostheses (AREA)
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Description
図2〜図4は一つの実施形態にかかる脊椎制動具50を概略的に示した図である。図2は、椎骨10、10に装着した姿勢の脊椎制動具50を概略的に示した平面図である。図2において、紙面上が腹側、下が背側、手前が頭部側、奥が臀部側である。図3は、椎骨10、10に装着した姿勢の脊椎制動具50を概略的に示した側面図である。図3において、紙面右が腹側、左が背側、上が頭部側、下が臀部側である。図4は、椎骨10、10に装着した姿勢の脊椎制動具50を概略的に示した背面図である。図4において、紙面奥が腹側、手前が背側、上が頭部側、下が臀部側である。
第1の被覆部20(以下、「被覆部20」と略記する。)は、椎弓12aの頭部側を覆う第1の頭部側部材21(以下、「頭部側部材21」と略記する。)と、椎弓12aの臀部側を覆う第1の臀部側部材22(以下、「臀部側部材22」と略記する。)とを備えている。被覆部20は、頭部側部材21と臀部側部材22とで椎弓12aを挟んで結合させることによって、椎弓12aの少なくとも一部を覆っている。さらに、後述するように被覆部20は椎弓12aの表面の凹凸形状に精密に一致する密着面を備えている。そのため、被覆部20によって椎弓12aの少なくとも一部を覆うことで、椎骨10aにスクリューなどを打ち込まなくとも、被覆部20を椎骨10aに固定することができる。
第2の被覆部30(以下、「被覆部30」と略記する。)は、椎弓12bの頭部側を覆う第2の頭部側部材31(以下、「頭部側部材31」と略記する。)と、椎弓12bの臀部側を覆う第2の臀部側部材32(以下、「臀部側部材32」と略記する。)とを備えている。被覆部30は、頭部側部材31と臀部側部材32とで椎弓12bを挟んで結合させることによって、椎弓12bの少なくとも一部を覆っている。さらに、後述するように被覆部30は椎弓12bの表面の凹凸形状に精密に一致する密着面を備えている。そのため、被覆部30によって椎弓12bの少なくとも一部を覆うことで、椎骨10bにスクリューなどを打ち込まなくとも、被覆部30を椎骨10bに固定することができる。
関節部40は、被覆部20と被覆部30とを連結している。より具体的には、関節部40は、臀部側部材22と頭部側部材31とを連結している。すなわち、本実施形態では、臀部側部材22と頭部側部材31とが関節部40によって繋がれて一体となった一つの部材45(図3及び図4参照)を構成している。このように、頭部側部材21と、臀部側部材22、頭部側部材31、及び関節部40が一体になった部材45と、臀部側部材32とを備える形態とすることによって、被覆部20及び被覆部30を椎骨10a及び椎骨10bに着脱することが容易になるとともに、被覆部20及び被覆部30を関節部40で連結することが容易になる。
脊椎制動具50は、被覆部20を椎弓12a(椎骨10a)に装着するとともに、被覆部30を椎弓12b(椎骨10b)に装着することによって、脊椎の動きを制御することができる。なお、使用に際して、脊椎制動具50には、ガス滅菌やコーティングなどによって滅菌処理を施すことが好ましい。
上記脊椎制動具50の説明では、被覆部20、30を椎骨10a、10bに恒久的に固定することについて好ましい例として説明した。しかしながら、本発明の脊椎制動具の用途はそのような方法に限定されない。例えば、本発明の脊椎制動具は、一時的に脊椎を制動又は固定する目的で使用することもできる。図5は、一時的に脊椎を制動する目的で脊椎制動具50を使用する場合の使用例を概略的に示す図であり、図3に対応する図である。
11 椎体
12、12a、12b 椎弓
13 横突起
14 棘突起
15 椎孔
20 第1の被覆部
21 第1の頭部側部材
21a 耳部
22 第1の臀部側部材
22a 耳部
23 固定具
30 第2の被覆部
31 第2の頭部側部材
31a 耳部
32 第2の臀部側部材
32a 耳部
33 固定具
40、80 関節部
50、70、100 脊椎制動具
60 弾性のある組織
Claims (9)
- 複数の椎骨に装着して脊椎の動きを制御可能な脊椎制動具であって、
前記複数の椎骨の夫々について、該椎骨が有する椎弓の少なくとも一部を覆うことで該椎骨に固定可能な被覆部と、
隣り合う前記被覆部の相対的位置を変更可能に隣り合う前記被覆部を連結する関節部と、を備えており、
前記被覆部は夫々密着面を有する2つ以上の部材を備えており、
前記密着面は前記椎弓の表面形状と雄雌の関係の形状を有して前記椎弓に密着可能な面であり、
前記関節部が隣り合う前記被覆部の間に配置されている、脊椎制動具。 - 前記被覆部が2つの部材を備えており、該2つの部材で前記椎弓を挟むことによって前記椎骨に固定可能である、請求項1に記載の脊椎制動具。
- 前記隣り合う被覆部のうち頭部側の前記被覆部が、前記椎弓の頭部側を覆う第1の頭部側部材と、前記椎弓の臀部側を覆う第1の臀部側部材とを備え、
前記隣り合う被覆部のうち臀部側の前記被覆部が、前記椎弓の頭部側を覆う第2の頭部側部材と、前記椎弓の臀部側を覆う第2の臀部側部材とを備え、
前記第1の臀部側部材と前記第2の頭部側部材と前記第1の臀部側部材及び前記第2の頭部側部材を連結する前記関節部とが一体化されている、請求項1又は2に記載の脊椎制動具 - 前記被覆部の夫々が、前記椎弓の頭部側を覆う頭部側部材と前記椎弓の臀部側を覆う臀部側部材とを備えており、
前記被覆部が固定される椎骨のうち最も頭部側の椎骨に固定可能な被覆部を第1の被覆部とし、前記被覆部が固定される椎骨のうち頭部側からn番目(ただし、nは2以上の自然数)の椎骨に固定可能な被覆部を第nの被覆部としたとき、第n’の被覆部(ただし、n’は1からn−1までの自然数。)に備えられる前記臀部側部材と、第n’+1の被覆部に備えられる前記頭部側部材と、前記第n’の被覆部に備えられる前記臀部側部材及び第n’+1の被覆部に備えられる前記頭部側部材を連結する前記関節部とが一体化されている、請求項1〜3のいずれか一項に記載の脊椎制動具。 - 前記被覆部と前記関節部とが別々に成形されており、前記被覆部に対して前記関節部を着脱可能である、請求項1又は2に記載の脊椎制動具。
- 前記被覆部の前記密着面を含む部分において、メッシュ状又はスポンジ状に成形された部分を有する、請求項1〜5のいずれか一項に記載の脊椎制動具。
- 前記被覆部が、前記密着面及び前記メッシュ状又はスポンジ状に成形された部分に骨誘導基質を備えている、請求項6に記載の脊椎制動具。
- 前記被覆部を前記椎骨に固定する固定部材を備える、請求項1〜7のいずれかに記載の脊椎制動具。
- 請求項1〜8のいずれかに記載の脊椎制動具の前記被覆部を粉末焼結積層造形法によって成形する、脊椎制動具の製造方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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JP2011136665 | 2011-06-20 | ||
JP2011136665 | 2011-06-20 | ||
PCT/JP2012/065765 WO2012176812A1 (ja) | 2011-06-20 | 2012-06-20 | 脊椎制動具 |
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JPWO2012176812A1 JPWO2012176812A1 (ja) | 2015-02-23 |
JP6044961B2 true JP6044961B2 (ja) | 2016-12-14 |
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JP2013521603A Active JP6044961B2 (ja) | 2011-06-20 | 2012-06-20 | 脊椎制動具 |
Country Status (4)
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US (2) | US20140155939A1 (ja) |
EP (1) | EP2722013B1 (ja) |
JP (1) | JP6044961B2 (ja) |
WO (1) | WO2012176812A1 (ja) |
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US8172855B2 (en) | 2004-11-24 | 2012-05-08 | Abdou M S | Devices and methods for inter-vertebral orthopedic device placement |
US8568453B2 (en) * | 2007-01-29 | 2013-10-29 | Samy Abdou | Spinal stabilization systems and methods of use |
US8764806B2 (en) | 2009-12-07 | 2014-07-01 | Samy Abdou | Devices and methods for minimally invasive spinal stabilization and instrumentation |
US8845728B1 (en) | 2011-09-23 | 2014-09-30 | Samy Abdou | Spinal fixation devices and methods of use |
US20130226240A1 (en) | 2012-02-22 | 2013-08-29 | Samy Abdou | Spinous process fixation devices and methods of use |
US9198767B2 (en) | 2012-08-28 | 2015-12-01 | Samy Abdou | Devices and methods for spinal stabilization and instrumentation |
US9320617B2 (en) | 2012-10-22 | 2016-04-26 | Cogent Spine, LLC | Devices and methods for spinal stabilization and instrumentation |
US10857003B1 (en) | 2015-10-14 | 2020-12-08 | Samy Abdou | Devices and methods for vertebral stabilization |
BR112018012191B1 (pt) | 2015-12-16 | 2022-12-13 | Nuvasive, Inc | Implante cirúrgico |
US10744000B1 (en) | 2016-10-25 | 2020-08-18 | Samy Abdou | Devices and methods for vertebral bone realignment |
US10973648B1 (en) | 2016-10-25 | 2021-04-13 | Samy Abdou | Devices and methods for vertebral bone realignment |
US11179248B2 (en) | 2018-10-02 | 2021-11-23 | Samy Abdou | Devices and methods for spinal implantation |
CN110585490B (zh) * | 2019-09-16 | 2022-05-20 | 上理检测技术(上海)有限公司 | 一种微动加压钢板 |
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JP2003038507A (ja) | 2001-08-01 | 2003-02-12 | Showa Ika Kohgyo Co Ltd | 骨接合具用インプラント |
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AU2010258937A1 (en) * | 2009-06-08 | 2012-01-19 | Reduction Technologies Inc. | Systems, methods and devices for correcting spinal deformities |
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US20130218208A1 (en) * | 2012-02-16 | 2013-08-22 | The Uab Research Foundation | Rod-receiving spinal fusion attachment elements |
-
2012
- 2012-06-20 EP EP12803130.9A patent/EP2722013B1/en active Active
- 2012-06-20 US US14/128,225 patent/US20140155939A1/en not_active Abandoned
- 2012-06-20 JP JP2013521603A patent/JP6044961B2/ja active Active
- 2012-06-20 WO PCT/JP2012/065765 patent/WO2012176812A1/ja active Application Filing
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2016
- 2016-04-14 US US15/098,820 patent/US10149705B2/en active Active
Also Published As
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WO2012176812A1 (ja) | 2012-12-27 |
EP2722013A1 (en) | 2014-04-23 |
US10149705B2 (en) | 2018-12-11 |
JPWO2012176812A1 (ja) | 2015-02-23 |
US20140155939A1 (en) | 2014-06-05 |
EP2722013B1 (en) | 2016-10-26 |
US20160228158A1 (en) | 2016-08-11 |
EP2722013A4 (en) | 2015-08-19 |
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