JP2008531087A - 人工椎間板のアセンブリ - Google Patents
人工椎間板のアセンブリ Download PDFInfo
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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
- A61F2/441—Joints for the spine, e.g. vertebrae, spinal discs made of inflatable pockets or chambers filled with fluid, e.g. with hydrogel
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- A—HUMAN NECESSITIES
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- 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
- A61F2/442—Intervertebral or spinal discs, e.g. resilient
- A61F2/4425—Intervertebral or spinal discs, e.g. resilient made of articulated components
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- A—HUMAN NECESSITIES
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- 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
- A61F2/30721—Accessories
- A61F2/30742—Bellows or hose-like seals; Sealing membranes
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- 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
- A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2002/30331—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementarily-shaped recess, e.g. held by friction fit
- A61F2002/30354—Cylindrically-shaped protrusion and recess, e.g. cylinder of circular basis
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- 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
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- A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2002/30331—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementarily-shaped recess, e.g. held by friction fit
- A61F2002/30362—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementarily-shaped recess, e.g. held by friction fit with possibility of relative movement between the protrusion and the recess
- A61F2002/30364—Rotation about the common longitudinal axis
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- A—HUMAN NECESSITIES
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- 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
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- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
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- A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2002/30331—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementarily-shaped recess, e.g. held by friction fit
- A61F2002/30362—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementarily-shaped recess, e.g. held by friction fit with possibility of relative movement between the protrusion and the recess
- A61F2002/3037—Translation along the common longitudinal axis, e.g. piston
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- A—HUMAN NECESSITIES
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- 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
- A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2002/30383—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by laterally inserting a protrusion, e.g. a rib into a complementarily-shaped groove
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- A—HUMAN NECESSITIES
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- 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
- A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
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- A—HUMAN NECESSITIES
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- 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
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- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30621—Features concerning the anatomical functioning or articulation of the prosthetic joint
- A61F2002/30649—Ball-and-socket joints
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- A—HUMAN NECESSITIES
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- 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
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- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2002/30769—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth madreporic
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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
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/30841—Sharp anchoring protrusions for impaction into the bone, e.g. sharp pins, spikes
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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
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- 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
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- A61F2310/00005—The prosthesis being constructed from a particular material
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- A61F2310/00005—The prosthesis being constructed from a particular material
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- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00389—The prosthesis being coated or covered with a particular material
- A61F2310/00592—Coating or prosthesis-covering structure made of ceramics or of ceramic-like compounds
- A61F2310/00796—Coating or prosthesis-covering structure made of a phosphorus-containing compound, e.g. hydroxy(l)apatite
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Neurology (AREA)
- Heart & Thoracic Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Transplantation (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Prostheses (AREA)
- Materials For Medical Uses (AREA)
Abstract
Description
本出願は、2004年2月23日に出願の米国仮特許出願第60/547,035号の優先権を主張する。
本発明は、人工椎間板のアセンブリに関連し、該アセンブリは、疾患または傷ついた椎間板が除去された後に、空いた空間に移植される。
Claims (19)
- 罹患した、または損傷した椎間板の除去に続いて、椎体の終板に隣接して移植されるように構成された人工椎間板のアセンブリであって、該アセンブリは、
上側終板および下側終板であって、該終板はそれぞれ、内側表面および表面と係合する外側椎体とを定義する、上側および下側の終板と、
該板によって支持され、該板の間の流体包含領域を制限する膨張可能なブラダーと、
該終板の間の該包含領域の中に配置された、生体適合性のある流体と、
該下側板の該内側表面から該包含領域の中に突起し、開口した上端を有する円筒と、
該円筒の中を往復するように移動可能で、該円筒の該開口した上端から突起するピストンであって、曲線をなす上側表面を定義する、ピストンと、
該上側終板の該内側表面から該包含領域の中に下がる突起であって、該突起は、該ピストンの該上側表面と合わさる曲線をなす下側表面を定義することによって、該終板の相対的な回転移動および平行な配列内への移動、および平行な配列から外への移動を可能にし、該円筒に複数の流体の流出孔が該ピストンの下方で配置される、突起と
を備えている、アセンブリ。 - 前記終板は楕円形の形状である、請求項1に記載のアセンブリ。
- 前記板の前記外側表面は、その上に複数のスパイク、リブまたはリッジを定義することにより、前記椎体の終板と係合して前記アセンブリの移動を防ぐ、請求項1に記載のアセンブリ。
- 前記板の前記外側表面は、その上に鳩の尾型の突起を定義することにより、前記椎体の終板に形成された合わせ面と係合して、前記アセンブリの移動を防ぐ、請求項1に記載のアセンブリ。
- 前記膨張が可能なブラダーは、所定の弾性限界を有する可撓性のあるポリマー素材で形成されており、かつ、前記円筒における前記孔は、所定の大きさの流体が流れる範囲を集合的に定義し、該範囲は、該弾性限界と協同して、前記終板の相対的な内部方向への移動をもたらすのに必要な、所望の軸方向の力を定義する、請求項1に記載のアセンブリ。
- 前記板は、楕円形の形状である、請求項3に記載のアセンブリ。
- 前記板は、楕円形の形状である、請求項4に記載のアセンブリ。
- 前記板は、楕円形の形状である、請求項5に記載のアセンブリ。
- 前記板上の前記外側表面は、そこに複数のスパイク、リブまたはリッジを定義することにより、前記椎体の終板と係合して前記アセンブリの移動を防ぐ、請求項5に記載のアセンブリ。
- 前記板の前記外側表面は、その上に鳩の尾型の突起を定義することにより、前記椎体の終板に形成された合わせ面と係合して、前記アセンブリの移動を防ぐ、請求項5に記載のアセンブリ。
- 罹患した、または損傷した椎間の板の除去に続いて、椎体の終板に隣接して移植されるように構成された人工椎間板のアセンブリであって、該アセンブリは、
上側終板および下側終板であって、該終板はそれぞれ、内側表面および表面と係合する外側椎体とを定義する、上側および下側の終板と、
所定の弾性限界を有し、該板によって支持され、該板の間の流体包含領域を制限する膨張が可能なブラダーと、
該終板の間の該包含領域の中に配置された、生体適合性のある流体と、
該下側板の該内側表面から該包含領域の中に突出し、開口した上端を有する円筒と、
該円筒の中を往復するように移動可能で、該円筒の該開口した上端から突起するピストンであって、曲線をなす上側表面を定義する、ピストンと、
該上側終板の該内側表面から該包含領域の中に下がる突起であって、該突起は、該ピストンの該上側表面と合わさる曲線をなす下側表面を定義することによって、該終板の相対的な回転移動および平行な配列内への移動、および平行な配列から外への移動を可能にし、所定の大きさの複数の流体の流出孔が該ピストンの下方で該円筒に配置されている、突起と
を備え、該終板の内側方向の移動は、該円筒の中の流体を、該円筒の該孔を介して外側に通過させて該ブラダーを膨らませ、それによって、該孔によって定義された集合的な面積および該ブラダーの弾性における変化量は、該終板のそのような内部に向かう移動をもたらすために必要な軸方向の負荷を変化させる、アセンブリ。 - 前記終板は、楕円形の形状である、請求項11に記載のアセンブリ。
- 前記板上の前記外側表面は、その上に複数のスパイク、リブまたはリッジを定義することにより、前記椎体の終板と係合して前記アセンブリの移動を防ぐ、請求項11に記載のアセンブリ。
- 前記板の前記外側表面は、その上に鳩の尾型の突起を定義することにより、前記椎体の終板に形成された合わせ面と係合して、前記アセンブリの移動を防ぐ、請求項11に記載のアセンブリ。
- 罹患した、または損傷した椎間板の除去に続いて、椎体の終板に隣接して移植されるように構成された人工椎間板のアセンブリであって、該アセンブリは、
上側終板および下側終板であって、該終板はそれぞれ、内側表面および表面と係合する外部の椎体とを定義する、上側および下側の終板と、
該板によって支持され、該板の間の流体包含領域を制限する膨張が可能なブラダーと、
該終板の間の該包含領域の中に配置された、生体適合性のある流体と、
該流体包含領域の中の該終板の間に配置された流体の流路であって、該終板の相対的な内側に向かう移動は、該流路を介する流体の流れをもたらすことにより、該ブラダーを外側に膨張させ、それによって該流体の流路の大きさおよび該ブラダーの弾性における変化量は、該終板のそのような内側に向かう移動もたらすために必要な軸方向の負荷の量を変化させる、流路と
を備えている、アセンブリ。 - 前記終板は、楕円形の形状である、請求項15に記載のアセンブリ。
- 前記板上の前記外側表面は、その上に複数のスパイク、リブまたはリッジを定義することにより、前記椎体の終板と係合して前記アセンブリの移動を防ぐ、請求項15に記載のアセンブリ。
- 前記板の前記外側表面は、その上に鳩の尾型の突起を定義することにより、前記椎体の終板に形成された合わせ面と係合して、前記アセンブリの移動を防ぐ、請求項15に記載のアセンブリ。
- 人工板のアセンブリにおいて、終板の相対的な移動に効果をもたらすのに必要な軸方向の力を変化させることにより、様々な大きさの患者に適応する方法であって、該方法は、
該アセンブリの該終板の間に所定の大きさの流体の流路を提供することによって、該終板の内部に向かう相対的な移動が、該流路を介する流体の流れに効果をもたらすステップと、
該終板の間に、かつ所定の弾性限界を有する可撓性のあるブラダーを伴う該流体の流路の周りに領域を定めるステップと
を包含する、方法。
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US11/062,782 | 2005-02-22 | ||
US11/062,782 US7485145B2 (en) | 2004-02-23 | 2005-02-22 | Artificial intervertebral disc assembly |
PCT/US2006/006166 WO2006091621A1 (en) | 2005-02-22 | 2006-02-21 | Artificial intervertebral disc assembly |
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JP2008531087A true JP2008531087A (ja) | 2008-08-14 |
JP4783383B2 JP4783383B2 (ja) | 2011-09-28 |
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US (1) | US7485145B2 (ja) |
EP (1) | EP1850806B1 (ja) |
JP (1) | JP4783383B2 (ja) |
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WO (1) | WO2006091621A1 (ja) |
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US20040093082A1 (en) * | 2002-04-19 | 2004-05-13 | Ferree Bret A. | Mobile-bearing artificial disc replacement |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2012528611A (ja) * | 2009-06-02 | 2012-11-15 | 北京納通科技集團有限公司 | 人工椎間板 |
Also Published As
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EP1850806A1 (en) | 2007-11-07 |
WO2006091621A1 (en) | 2006-08-31 |
EP1850806B1 (en) | 2014-09-24 |
JP4783383B2 (ja) | 2011-09-28 |
US7485145B2 (en) | 2009-02-03 |
US20050273169A1 (en) | 2005-12-08 |
ES2524995T3 (es) | 2014-12-16 |
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