JP5358177B2 - 椎体または骨を安定させる際に使用するためのインプラント装置 - Google Patents
椎体または骨を安定させる際に使用するためのインプラント装置 Download PDFInfo
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- JP5358177B2 JP5358177B2 JP2008327654A JP2008327654A JP5358177B2 JP 5358177 B2 JP5358177 B2 JP 5358177B2 JP 2008327654 A JP2008327654 A JP 2008327654A JP 2008327654 A JP2008327654 A JP 2008327654A JP 5358177 B2 JP5358177 B2 JP 5358177B2
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- implant
- implant device
- vertebral body
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- bone
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- 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
-
- 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
- A61B17/74—Devices for the head or neck or trochanter of the femur
- A61B17/742—Devices for the head or neck or trochanter of the femur having one or more longitudinal elements oriented along or parallel to the axis of the neck
- A61B17/744—Devices for the head or neck or trochanter of the femur having one or more longitudinal elements oriented along or parallel to the axis of the neck the longitudinal elements coupled to an intramedullary nail
-
- 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
- A61B17/885—Tools for expanding or compacting bones or discs or cavities therein
- A61B17/8852—Tools for expanding or compacting bones or discs or cavities therein capable of being assembled or enlarged, or changing shape, inside the bone or disc
- A61B17/8858—Tools for expanding or compacting bones or discs or cavities therein capable of being assembled or enlarged, or changing shape, inside the bone or disc laterally or radially expansible
-
- 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
- A61B17/72—Intramedullary pins, nails or other devices
- A61B17/7233—Intramedullary pins, nails or other devices with special means of locking the nail to the bone
- A61B17/7258—Intramedullary pins, nails or other devices with special means of locking the nail to the bone with laterally expanding parts, e.g. for gripping the bone
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/0042—Surgical instruments, devices or methods, e.g. tourniquets with special provisions for gripping
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00526—Methods of manufacturing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/00867—Material properties shape memory effect
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/03—Automatic limiting or abutting means, e.g. for safety
- A61B2090/033—Abutting means, stops, e.g. abutting on tissue or skin
- A61B2090/034—Abutting means, stops, e.g. abutting on tissue or skin abutting on parts of the device itself
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/03—Automatic limiting or abutting means, e.g. for safety
- A61B2090/033—Abutting means, stops, e.g. abutting on tissue or skin
- A61B2090/036—Abutting means, stops, e.g. abutting on tissue or skin abutting on tissue or skin
-
- 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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30579—Special structural features of bone or joint prostheses not otherwise provided for with mechanically expandable devices, e.g. fixation devices
Description
4とを備える。中間部4は、第1の端部2から第2の端部3へ延在する複数の長手細片5からなる。長手細片5の間には、間隙または溝孔6があり、この溝孔も、第1の端部2から第2の端部3へ延在する。長手細片5は、長手方向から見てそれらのおよそ中央で、横断細片7を介して、1対ずつそれぞれ互いに接続される。したがって、2つの長手細片5およびこの接続する横断細片7は、細片ユニット8を形成する。図面に示されるように、溝孔6は、1つおきに管状端部2および管状端部3の方向へさらに延びる。長手細片5は、図2に示されるように、細片ユニット8の外側への屈曲によって細片ユニット8間の溝孔6を広げ、これにより中間部4がバルーンのように拡張可能であるように中間部4に可撓性を与える。このインプラントの寸法は、このインプラントを椎骨の椎弓根に形成された孔を通して椎体に挿入することができるような寸法である。特に、中間部4の長さは、図2に示される拡張された状態で、中間部4を椎体内に収容することができるように選択される。長手細片および横断細片の数、形状、間隔、および厚さは、所望の弾性および所望の寸法を拡張されたインプラントに与えるように選択される。
は当接部9と衝合する。当接部は、たとえば椎体の内壁部である。図5に示されるように、力Fが軸方向にかかり、インプラント1が第1の端部2で当接部9に対して圧接されると、中間部4は、バルーン状に拡張され、この実施例ではおおよそ球形または楕円形の形状を呈するようになる。この拡張された状態で、インプラントの長さl2はl1より短く、直径d2は拡張されていない状態における直径d1より大きい。よって、中間部4は、力が軸方向に働くときに径方向に拡張可能なように可撓性であり、これは、第1の端部2と第2の端部3との間の距離を縮小する。
さらなるねじ206を、通常どおり設けることができる。
Claims (11)
- 椎体または骨を安定させる際に使用するためのインプラント装置であって、
第1の端部(2)と、
第2の端部(3、3′)と、
前記第1の端部(2)と前記第2の端部(3、3′)との間に、長手方向の軸(L)を有する管状部(4、4′)とを有するインプラントと、
前記インプラントを埋込部位へ誘導するブッシング(22)とを備え、
前記管状部(4)は、力(F、F′)が軸方向に作用するときに径方向に拡張可能なように可撓性であり、これは、前記第1の端部(2)と前記第2の端部(3)との間の距離を縮小し、
前記ブッシング(22)は、前記インプラントの前記第2の端部を包囲するとともに、前記インプラントの前記第2の端部の外周と係合し、
前記ブッシング(22)の外側表面が、埋込部位において椎体または骨と係合するための係合構造を有する、インプラント装置。 - 前記管状部(4、4′)は、前記第1の端部(2)から前記第2の端部(3)の方向に延在する細片(5、5′)から形成され、前記細片はその端部で前記第1の端部および前記第2の端部にそれぞれ接続される、請求項1に記載のインプラント装置。
- 前記管状部(4、4′)は、壁に長手方向の溝孔(6、6′)を備える、請求項1または請求項2に記載のインプラント装置。
- 前記管状部(4、4′)は、メッシュ状の構造を有する、請求項1から3のいずれかに記載のインプラント装置。
- 少なくとも前記管状部(4)は、超弾性を示す形状記憶合金から作られる、請求項1から4のいずれかに記載のインプラント装置。
- 作動されると前記管状部(4、4′)の長さを短くする張力エレメント(11)が設けられる、請求項1から5のいずれかに記載のインプラント装置。
- 前記第1および第2の端部(2、3)のうち少なくとも1つは管状である、請求項1から6のいずれかに記載のインプラント装置。
- 前記インプラントの前記第1および第2の端部(2、3)のうち少なくとも1つは、外部器具またはさらなるインプラント部品との係合のための係合構造(21)を備える、請求項1から7のいずれかに記載のインプラント装置。
- 前記係合構造(21、23)は、ねじ山である、請求項8に記載のインプラント装置。
- 前記ブッシング(22)の前記係合構造は、埋込部位において椎体または骨と係合するように前記ブッシングの前記外側表面に形成された外部ねじ山によって構成される、請求項8または9に記載のインプラント装置。
- 前記外部ねじ山は骨ねじ山である、請求項10に記載のインプラント装置。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1752307P | 2007-12-28 | 2007-12-28 | |
US61/017,523 | 2007-12-28 | ||
EP07025214.3 | 2007-12-28 | ||
EP07025214A EP2074956B1 (en) | 2007-12-28 | 2007-12-28 | Implant for stabilizing vertebrae or bones |
Publications (2)
Publication Number | Publication Date |
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JP2009160399A JP2009160399A (ja) | 2009-07-23 |
JP5358177B2 true JP5358177B2 (ja) | 2013-12-04 |
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ID=39322662
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2008327654A Expired - Fee Related JP5358177B2 (ja) | 2007-12-28 | 2008-12-24 | 椎体または骨を安定させる際に使用するためのインプラント装置 |
Country Status (6)
Country | Link |
---|---|
US (2) | US8784491B2 (ja) |
EP (2) | EP2074956B1 (ja) |
JP (1) | JP5358177B2 (ja) |
CN (1) | CN101530343B (ja) |
ES (2) | ES2390482T3 (ja) |
TW (1) | TWI498097B (ja) |
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CN101530343B (zh) | 2013-03-13 |
TW200927064A (en) | 2009-07-01 |
EP2441402A1 (en) | 2012-04-18 |
ES2607605T3 (es) | 2017-04-03 |
ES2390482T3 (es) | 2012-11-13 |
JP2009160399A (ja) | 2009-07-23 |
TWI498097B (zh) | 2015-09-01 |
CN101530343A (zh) | 2009-09-16 |
EP2441402B1 (en) | 2016-10-26 |
US8784491B2 (en) | 2014-07-22 |
US9439770B2 (en) | 2016-09-13 |
EP2074956B1 (en) | 2012-06-27 |
EP2074956A1 (en) | 2009-07-01 |
US20140288651A1 (en) | 2014-09-25 |
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