JP5525582B2 - 椎体置換デバイスおよび脊椎内の2つの椎体間スペースを維持するために使用する方法 - Google Patents
椎体置換デバイスおよび脊椎内の2つの椎体間スペースを維持するために使用する方法 Download PDFInfo
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- JP5525582B2 JP5525582B2 JP2012226714A JP2012226714A JP5525582B2 JP 5525582 B2 JP5525582 B2 JP 5525582B2 JP 2012226714 A JP2012226714 A JP 2012226714A JP 2012226714 A JP2012226714 A JP 2012226714A JP 5525582 B2 JP5525582 B2 JP 5525582B2
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- replacement device
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- end member
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- A61F2002/30818—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves castellated or crenellated
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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
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4637—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for connecting or disconnecting two parts of a prosthesis
- A61F2002/4638—Tools for performing screwing, e.g. nut or screwdrivers, or particular adaptations therefor
-
- 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
- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
-
- 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
- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2220/0033—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementary-shaped recess, e.g. held by friction fit
-
- 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
- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2220/0041—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements using additional screws, bolts, dowels or rivets, e.g. connecting screws
-
- 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
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0063—Three-dimensional shapes
- A61F2230/0069—Three-dimensional shapes cylindrical
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Engineering & Computer Science (AREA)
- Transplantation (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physical Education & Sports Medicine (AREA)
- Neurology (AREA)
- Prostheses (AREA)
Description
例えば、本願発明は以下の項目を提供する。
(項目1)
椎体置換デバイスであって、
内壁および外壁を有する本体部材と、
第1のねじ山部および第2のねじ山部を有する中心ロッド部材であって、該本体部材内で動作可能に関連付けられるように構成される、中心ロッド部材と、
第1の端部材および第2の端部材であって、該第1の端部材は、該中心ロッド部材の該第1のねじ山部に螺合するように構成され、該第2の端部材は、該中心ロッド部材の該第2のねじ山部に螺合するように構成される、第1の端部材および第2の端部材と、
を備え、
該椎体置換デバイスが該脊柱内の空間内に配置されているときに、該第1および第2の端部材がそれぞれの脊柱の椎体に係合し、該本体部材ならびに第1および第2の端部材は、該第1および第2の端部材の回転運動を阻止するように構成され、該中心ロッド部材は、該本体部材に対して軸方向に該第1の端部材および該第2の端部材を移動させるように回転作動され、それによって、該第1の端部材および該第2の端部材が、該2つの椎体に力を付与して、その間で所望の空間を維持することを可能にする、
椎体置換デバイス。
(項目2)
前記本体部材は、第1の端容器と、第2の端容器と、該本体部材の該第1の端容器と該第2の端容器との間に延在する縦軸とを備える、細長い本体である、項目1に記載の椎体置換デバイス。
(項目3)
前記本体部材は、少なくとも1つのリブをさらに備え、該少なくとも1つのリブは、該本体部材の前記外壁に沿って配置され、前記縦軸と実質的に平行に走る、項目2に記載の椎体置換デバイス。
(項目4)
前記第1の端部材および前記第2の端部材はそれぞれ、外周壁と、内周壁と、端壁とをさらに備え、該第1の端部材および該第2の端部材のそれぞれは、該内周壁の長さのうちの少なくとも一部分に沿って該端壁から延在する、該内周壁に配置される少なくとも1つのチャネルを有し、該第1の端部材が前記第1の端容器と動作可能に関連付けられ、かつ、該第2の端部材が前記第2の端容器と動作可能に関連付けられるときに、該少なくとも1つのチャネルは、前記本体部材の前記少なくとも1つのリブに係合するように配向され、かつ位置付けられている、項目3に記載の椎体置換デバイス。
(項目5)
座面を有する支持リングをさらに備え、該支持リングは、前記本体部材の前記内壁に螺合するように構成され、それによって、前記中心ロッド部材が該本体部材内に動作可能に位置付けられるときに、該座面が該中心ロッド部材に接触することを可能にする、項目1に記載の椎体置換デバイス。
(項目6)
前記中心ロッド部材は、歯車部をさらに備え、該歯車部は、歯状面および支持面を有し、該歯車部の該支持面は、該中心ロッド部材が前記本体部材内に動作可能に位置付けられるときに、前記支持リングの前記座面に接触するように構成されている、項目5に記載の椎体置換デバイス。
(項目7)
前記中心ロッド部材は、該中心ロッド部材の前記第1のねじ山部と前記第2のねじ山部との間に延在する中心軸をさらに備え、前記歯車部の回転軸は、該中心ロッド部材の該中心軸と実質的に同軸であり、それによって、該歯車部が該回転軸の周囲を回転させられるときに、該第1および第2のねじ山部は、対応して、該中心ロッド部材の該中心軸の周囲を回転する、項目6に記載の椎体置換デバイス。
(項目8)
少なくとも1つの底板部材をさらに備え、該少なくとも1つの底板部材は、前記第1の端部材および前記第2の端部材のうちの少なくとも1つに連結し、前記椎体置換デバイスが前記脊柱内の前記空間内に位置付けられるときに、前記2つの椎体との最大接触を可能にするようにサイズ決定および構成されている、項目1に記載の椎体置換デバイス。
(項目9)
前記第1の端部材および前記第2の端部材のうちの少なくとも1つに対して、少なくとも1つの突起が、前記端壁上に配置され、前記椎体置換デバイスが前記脊柱内で使用中であるときに、各端壁から外側方向に延在して前記それぞれの2つの椎体に係合する、項目4に記載の椎体置換デバイス。
(項目10)
前記第1の端部材および前記第2の端部材のうちの少なくとも1つに対して、前記端壁は、前記外周壁に対して垂直に、または角度を成して配置される、項目4に記載の椎体置換デバイス。
(項目11)
前記第1の端部材および前記第2の端部材のそれぞれに対して、該第1の端部材および該第2の端部材は、前記外周壁および前記端壁のうちの少なくとも1つに配置され、かつ該外周壁および該端壁のうちの少なくとも1つを通って延在する、少なくとも1つの穴をさらに備え、それによって、該第1および第2の端部材内での生体適合性材料の設置を可能にする、項目4に記載の椎体置換デバイス。
(項目12)
前記本体部材は、該本体部材を通って前記外壁から前記内壁まで延在する、少なくとも1つの穴をさらに備え、それによって、該本体部材内での生体適合性材料の設置を可能にする、項目1に記載の椎体置換デバイス。
(項目13)
椎体置換デバイスであって、
本体部材であって、該本体部材は、内壁および外壁を有する細長い本体であり、第1の端容器と、第2の端容器と、該本体部材の該第1の端容器と該第2の端容器との間に延在する縦軸とを備える、本体部材と、
第1のねじ山部と、第2のねじ山部と、該第1のねじ山部と第2のねじ山部との間に延在する中心軸とを有する、中心ロッド部材であって、該本体部材と動作可能に関連付けられるように構成されている、中心ロッド部材と、
第1の端部材および第2の端部材であって、該第1の端部材は、該中心ロッド部材が該本体部材と動作可能に関連付けられるときに、該中心ロッド部材の該第1のねじ山部に螺合するよう、該本体部材の該第1の端容器内に位置付けられるように構成され、該第2の端部材は、該中心ロッド部材が該本体部材と動作可能に関連付けられるときに、該中心ロッド部材の該第2のねじ山部に螺合するよう、該本体部材の該第2の端容器内に位置付けられるように構成される、第1の端部材および第2の端部材と、
少なくとも1つの底板部材であって、該少なくとも1つの底板部材は、端面および側壁を含み、該端面は、該側壁に隣接して位置付けられ、該少なくとも1つの底板は、該第1の端部材および該第2の端部材のうちの少なくとも1つに連結し、該端面は、椎体に係合するようにサイズ決定および構成されている、少なくとも1つの底板部材と、
を備え、
該椎体置換デバイスが脊柱内の空間内に配置されているときに、該第1および第2の端部材がそれぞれの該脊柱の椎体に係合し、該本体部材ならびに第1および第2の端部材は、該第1および第2の端部材の回転運動を阻止するように構成され、該中心ロッド部材は、該本体部材に対して軸方向に該第1の端部材および該第2の端部材を移動させるように回転作動され、それによって、該第1の端部材および該第2の端部材が、該2つの椎体に力を付与することを可能にする、
椎体置換デバイス。
(項目14)
前記本体部材は、少なくとも1つのリブをさらに備え、該少なくとも1つのリブは、該本体部材の前記外壁に沿って配置され、前記縦軸と実質的に平行に走る、項目13に記載の椎体置換デバイス。
(項目15)
前記第1の端部材および前記第2の端部材はそれぞれ、外周壁によって境界を定められている内側部分と、内周壁と、端壁とをさらに備え、該第1の端部材および該第2の端部材のそれぞれは、該内周壁の長さの少なくとも一部分に沿って該端壁から延在する、該内周壁に配置される少なくとも1つのチャネルを有し、該第1の端部材が前記第1の端容器と動作可能に関連付けられ、該第2の端部材が前記第2の端容器と動作可能に関連付けられるときに、該少なくとも1つのチャネルは、前記本体部材の前記少なくとも1つのリブに係合するように配向され、かつ位置付けられる、項目14に記載の椎体置換デバイス。
(項目16)
支持リングであって、座面を有する支持リングをさらに備え、該支持リングは、前記本体部材の前記内壁に螺合するように構成され、それによって、前記中心ロッド部材が該本体部材内に動作可能に位置付けられるときに、該座面が該中心ロッド部材に接触することを可能にする、項目13に記載の椎体置換デバイス。
(項目17)
前記中心ロッド部材は、歯車部をさらに備え、該歯車部は、歯状面および支持面を有し、該歯車部の該支持面は、該中心ロッド部材が前記本体部材内に動作可能に位置付けられるときに、該支持リングの前記座面に接触するように構成されている、項目16に記載の椎体置換デバイス。
(項目18)
前記中心ロッド部材は、その前記第1のねじ山部と前記第2のねじ山部との間に延在する中心軸をさらに備え、前記歯車部の回転軸は、該中心ロッド部材の該中心軸と実質的に同軸であり、それによって、該歯車部が該回転軸の周囲を回転させられるときに、該第1および第2のねじ山部は、対応して、該中心ロッド部材の該中心軸の周囲を回転する、項目17に記載の椎体置換デバイス。
(項目19)
前記少なくとも1つの底板部材に対して、少なくとも1つの突起が、前記端面上に配置され、前記椎体置換デバイスが前記脊柱内で使用中であるときに、該端面から外側方向に延在して前記それぞれの2つの椎体に係合する、項目13に記載の椎体置換デバイス。
(項目20)
前記少なくとも1つの底板に対して、前記端面は、前記側壁に対して垂直に、または角度を成して配置されている、項目13に記載の椎体置換デバイス。
(項目21)
前記第1の端部材および前記第2の端部材のそれぞれに対して、該第1の端部材および該第2の端部材は、前記外周壁に配置され、かつ該外周壁を通って延在する、少なくとも1つの穴をさらに備え、それによって、該第1および第2の端部材の前記内側部分内での生体適合性材料の設置を可能にする、項目15に記載の椎体置換デバイス。
(項目22)
前記本体部材は、該本体部材を通って前記外壁から内壁まで延在する、少なくとも1つの穴をさらに備え、それによって、前記本体部材内での生体適合性材料の設置を可能にする、項目13に記載の椎体置換デバイス。
(項目23)
椎体置換デバイスを取得することであって、
椎体置換デバイスは、
本体部材と、
第1のねじ山部および第2のねじ山部を有する中心ロッド部材であって、該本体部材内で動作可能に関連付けられるように構成されている、中心ロッド部材と、
第1の端部材および第2の端部材であって、該第1の端部材は、該中心ロッド部材の該第1のねじ山部に螺合するように構成され、該第2の端部材は、該中心ロッド部材の該第2のねじ山部に螺合するように構成されている、第1の端部材および第2の端部材と
を備え、
該椎体置換デバイスが脊柱内の空間内に配置されているときに、該第1および第2の端部材がそれぞれの該脊柱の椎体に係合し、該本体部材ならびに第1および第2の端部材は、該第1および第2の端部材の回転運動を阻止するように構成され、該中心ロッド部材は、該本体部材に対して軸方向に該第1の端部材および該第2の端部材を移動させるように回転作動され、該第1の端部材および該第2の端部材が該2つの椎体に力を付与することを可能にする、ことと、
患者の脊柱内で、2つの椎体の間に該椎体置換を位置付けることと、
該脊柱内の該2つの椎体の間で空間を維持するために、該2つの椎体に係合し、該2つの椎体に対する力を生成するように、該本体部材に対して軸方向に該第1の端部材および第2の端部材を動作可能に移動させることと、
を含む、
外科的方法。
(項目24)
前記第1の端部材および第2の端部材を動作可能に移動させることは、ツールを前記中心ロッド部材と係合させることをさらに含み、該中心ロッド部材と係合させられたときの該ツールの回転運動は、前記本体部材に対する該第1および第2の端部材の軸方向運動をもたらして、該第1および第2の端部材に、前記2つの椎体に力を付与し、該2つの椎体の間で所望の空間を維持させる、項目23に記載の方法。
(項目25)
前記それぞれの椎体との前記第1の端部材および第2の端部材の係合に続いて、前記椎体置換デバイスの全長を固定することをさらに含み、ロックピンが、前記本体部材内で動作可能に関連付けられ、前記中心ロッド部材に係合するように構成され、それによって、該中心ロッド部材の回転運動を阻止する、項目23に記載の方法。
(項目26)
前記第1の端部材および前記第2の端部材のうちの少なくとも1つの内側部分内に、生体適合性材料を設置することをさらに含む、項目23に記載の方法。
(項目27)
前記生体適合性材料を設置することは、前記本体部材内に生体適合性材料を設置することをさらに含む、項目26に記載の方法。
Claims (14)
- 椎体置換デバイスであって、
内壁および外壁を有する本体部材と、
第1のねじ山部および第2のねじ山部を有する中心ロッド部材であって、該本体部材内で動作可能に関連付けられるように構成される、中心ロッド部材と、
第1の端部材および第2の端部材であって、該第1の端部材は、該中心ロッド部材の該第1のねじ山部に螺合するように構成され、該第2の端部材は、該中心ロッド部材の該第2のねじ山部に螺合するように構成される、第1の端部材および第2の端部材と
を備え、
該椎体置換デバイスが脊柱内の空間内に配置されているときに、該第1および第2の端部材がそれぞれの脊柱の椎体に係合し、該本体部材ならびに第1および第2の端部材は、該第1および第2の端部材の回転運動を阻止するように構成され、該中心ロッド部材は、該本体部材に対して軸方向に該第1の端部材および該第2の端部材を移動させるように回転作動され、それによって、該第1の端部材および該第2の端部材が、該2つの椎体に力を付与して、その間で所望の空間を維持することを可能にし、
該椎体置換デバイスは、支持リングをさらに備え、該支持リングは、座面を有し、
該中心ロッド部材は、歯車部をさらに備え、該歯車部は、歯状面および支持面を有し、該歯車部の該支持面は、該中心ロッド部材が該本体部材内に動作可能に位置付けられるときに、該支持リングの該座面に接触するように構成されている、椎体置換デバイス。 - 前記本体部材は、第1の端容器と、第2の端容器と、該本体部材の該第1の端容器と該第2の端容器との間に延在する縦軸とを備える、細長い本体である、請求項1に記載の椎体置換デバイス。
- 前記中心ロッド部材は、該中心ロッド部材の前記第1のねじ山部と前記第2のねじ山部との間に延在する中心軸をさらに備え、前記歯車部の回転軸は、該中心ロッド部材の該中心軸と実質的に同軸であり、それによって、該歯車部が該回転軸の周囲を回転させられるときに、該第1および第2のねじ山部は、対応して、該中心ロッド部材の該中心軸の周囲を回転する、請求項1に記載の椎体置換デバイス。
- 少なくとも1つの底板部材をさらに備え、該少なくとも1つの底板部材は、前記第1の端部材および前記第2の端部材のうちの少なくとも1つに連結し、前記椎体置換デバイスが前記脊柱内の前記空間内に位置付けられるときに、前記2つの椎体との最大接触を可能にするようにサイズ決定および構成されている、請求項1に記載の椎体置換デバイス。
- 前記第1の端部材および前記第2の端部材のそれぞれは、端壁をさらに含み、該第1の端部材および該第2の端部材のうちの少なくとも1つに対して、少なくとも1つの突起が、該端壁上に配置され、前記椎体置換デバイスが前記脊柱内で使用中であるときに、各端壁から外側方向に延在して前記それぞれの2つの椎体に係合する、請求項1に記載の椎体置換デバイス。
- 前記第1の端部材および前記第2の端部材のそれぞれは、外周壁および端壁をさらに含み、該第1の端部材および該第2の端部材のうちの少なくとも1つに対して、該端壁は、該外周壁に対して垂直に、または角度を成して配置される、請求項1に記載の椎体置換デバイス。
- 前記第1の端部材および前記第2の端部材のそれぞれは、外周壁および端壁をさらに含み、該第1の端部材および該第2の端部材のそれぞれに対して、該第1の端部材および該第2の端部材は、該外周壁および該端壁のうちの少なくとも1つに配置され、かつ、該外周壁および該端壁のうちの少なくとも1つを通って延在する少なくとも1つの穴をさらに備え、それによって、該第1および第2の端部材内での生体適合性材料の設置を可能にする、請求項1に記載の椎体置換デバイス。
- 前記本体部材は、該本体部材を通って前記外壁から前記内壁まで延在する少なくとも1つの穴をさらに備え、それによって、該本体部材内での生体適合性材料の設置を可能にする、請求項1に記載の椎体置換デバイス。
- 椎体置換デバイスであって、
本体部材であって、該本体部材は、内壁および外壁を有する細長い本体であり、第1の端容器と、第2の端容器と、該本体部材の該第1の端容器と該第2の端容器との間に延在する縦軸とを備える、本体部材と、
第1のねじ山部と、第2のねじ山部と、該第1のねじ山部と第2のねじ山部との間に延在する中心軸とを有する、中心ロッド部材であって、該本体部材と動作可能に関連付けられるように構成されている、中心ロッド部材と、
第1の端部材および第2の端部材であって、該第1の端部材は、該中心ロッド部材が該本体部材と動作可能に関連付けられるときに、該中心ロッド部材の該第1のねじ山部に螺合するよう、該本体部材の該第1の端容器内に位置付けられるように構成され、該第2の端部材は、該中心ロッド部材が該本体部材と動作可能に関連付けられるときに、該中心ロッド部材の該第2のねじ山部に螺合するよう、該本体部材の該第2の端容器内に位置付けられるように構成される、第1の端部材および第2の端部材と、
少なくとも1つの底板部材であって、該少なくとも1つの底板部材は、端面および側壁を含み、該端面は、該側壁に隣接して位置付けられ、該少なくとも1つの底板は、該第1の端部材および該第2の端部材のうちの少なくとも1つに連結し、該端面は、椎体に係合するようにサイズ決定および構成されている、少なくとも1つの底板部材と
を備え、
該椎体置換デバイスが脊柱内の空間内に配置されているときに、該第1および第2の端部材がそれぞれの脊柱の椎体に係合し、該本体部材ならびに第1および第2の端部材は、該第1および第2の端部材の回転運動を阻止するように構成され、該中心ロッド部材は、該本体部材に対して軸方向に該第1の端部材および該第2の端部材を移動させるように回転作動され、それによって、該第1の端部材および該第2の端部材が、該2つの椎体に力を付与することを可能にし、
該椎体置換デバイスは、支持リングをさらに備え、該支持リングは、座面を有し、
該中心ロッド部材は、歯車部をさらに備え、該歯車部は、歯状面および支持面を有し、該歯車部の該支持面は、該中心ロッド部材が該本体部材内に動作可能に位置付けられるときに、該支持リングの該座面に接触するように構成されている、椎体置換デバイス。 - 前記中心ロッド部材は、その前記第1のねじ山部と前記第2のねじ山部との間に延在する中心軸をさらに備え、前記歯車部の回転軸は、該中心ロッド部材の該中心軸と実質的に同軸であり、それによって、該歯車部が該回転軸の周囲を回転させられるときに、該第1および第2のねじ山部は、対応して、該中心ロッド部材の該中心軸の周囲を回転する、請求項9に記載の椎体置換デバイス。
- 前記少なくとも1つの底板部材に対して、少なくとも1つの突起が、前記端面上に配置され、前記椎体置換デバイスが前記脊柱内で使用中であるときに、該端面から外側方向に延在して前記それぞれの2つの椎体に係合する、請求項9に記載の椎体置換デバイス。
- 前記少なくとも1つの底板に対して、前記端面は、前記側壁に対して垂直に、または角度を成して配置されている、請求項9に記載の椎体置換デバイス。
- 前記第1の端部材および前記第2の端部材は、それぞれ、外周壁によって境界を定められている内側部分と、内周壁と、端壁とをさらに備え、該第1の端部材および該第2の端部材のそれぞれに対して、該第1の端部材および該第2の端部材は、該外周壁に配置され、かつ、該外周壁を通って延在する少なくとも1つの穴をさらに備え、それによって、該第1および第2の端部材の該内側部分内での生体適合性材料の設置を可能にする、請求項9に記載の椎体置換デバイス。
- 前記本体部材は、該本体部材を通って前記外壁から内壁まで延在する少なくとも1つの穴をさらに備え、それによって、前記本体部材内での生体適合性材料の設置を可能にする、請求項9に記載の椎体置換デバイス。
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EP2209441A1 (en) | 2010-07-28 |
EP2209441B1 (en) | 2014-10-15 |
AU2008319067A1 (en) | 2009-05-07 |
JP2013010014A (ja) | 2013-01-17 |
AU2008319067B2 (en) | 2013-12-19 |
WO2009058578A1 (en) | 2009-05-07 |
US8182537B2 (en) | 2012-05-22 |
JP2011502005A (ja) | 2011-01-20 |
US20090112324A1 (en) | 2009-04-30 |
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