JP2014530676A - 拡張式椎間ケージおよびその装着方法 - Google Patents
拡張式椎間ケージおよびその装着方法 Download PDFInfo
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- JP2014530676A JP2014530676A JP2014531958A JP2014531958A JP2014530676A JP 2014530676 A JP2014530676 A JP 2014530676A JP 2014531958 A JP2014531958 A JP 2014531958A JP 2014531958 A JP2014531958 A JP 2014531958A JP 2014530676 A JP2014530676 A JP 2014530676A
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- cage
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- A61F2/4465—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages having a circular or kidney shaped cross-section substantially perpendicular to the axis of the spine
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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
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2002/4415—Joints for the spine, e.g. vertebrae, spinal discs elements of the prosthesis being arranged in a chain like manner
-
- 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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00011—Metals or alloys
- A61F2310/00017—Iron- or Fe-based alloys, e.g. stainless steel
-
- 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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00011—Metals or alloys
- A61F2310/00023—Titanium or titanium-based alloys, e.g. Ti-Ni alloys
-
- 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
- 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
- A61F2310/00976—Coating or prosthesis-covering structure made of proteins or of polypeptides, e.g. of bone morphogenic proteins BMP or of transforming growth factors TGF
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Neurology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Transplantation (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Heart & Thoracic Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Surgery (AREA)
- Physical Education & Sports Medicine (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Radiology & Medical Imaging (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biophysics (AREA)
- Prostheses (AREA)
Abstract
Description
Claims (29)
- 複数のケージセクションと、
相対運動をするように隣り合うケージセクションをつなぎ合わせるヒンジ連結要素であって、前記ケージセクションを押し動かして伸展定位から装着定位へ動かすヒンジ連結要素と、
を備える椎間ケージ。 - 前記ヒンジ連結要素は、隣り合う前記ケージセクションを互いに対してある角度で伸展させる、請求項1に記載の椎間ケージ。
- 前記ヒンジ連結要素の各々は、前記ケージセクションが伸展定位にあるときに、前記ケージセクションが装着定位にあるときよりも大きな捻り応力を有する、請求項1に記載の椎間ケージ。
- 前記ヒンジ連結要素の各々は、第1の前記ケージセクションと係合する第1の端部と、第2の前記ケージセクションと係合する第2の端部とを有する、請求項1に記載の椎間ケージ。
- 前記ヒンジ連結要素の前記第1および第2の端部は、前記ケージ要素の表面に設けられたそれぞれの外側凹部に収まっている、請求項4に記載の椎間ケージ。
- 前記ヒンジ連結要素の前記第1および第2の端部は、前記ケージ要素内に設けられた内側凹部にそれぞれ収まっている、請求項4に記載の椎間ケージ。
- 前記ヒンジ連結要素は、形状記憶合金材料から形成されている、請求項1に記載の椎間ケージ。
- 前記複数のケージセクションに連結された第1および第2の端部セクションをさらに含み、前記第1および第2の端部セクションには、前記第1および第2の端部セクションを一緒に選択的に保持するためのそれぞれのロック用構造部が設けられている、請求項1に記載の椎間ケージ。
- 前記ロック用構造部は、前記第1の端部セクションに設けられた凹部と、前記第2の端部セクションに設けられ、前記凹部と協働するタブとを含む、請求項8に記載の椎間ケージ。
- 前記ロック用構造部は、前記第1および第2の端部セクションに設けられた開口部と、前記開口部を通って延びるファスナとを含む、請求項8に記載の椎間ケージ。
- 前記ロック用構造部は、前記第1の端部セクションに設けられた突出部と、前記第2の端部セクションに設けられ、前記突出部と協働する開口部とを含む、請求項8に記載の椎間ケージ。
- 前記ロック用構造部は、前記第1および第2の端部セクションに設けられた磁石を含む、請求項1に記載の椎間ケージ。
- 前記ケージを前記装着定位に選択的に保持するために、ベルトが前記ケージの周りに延びている、請求項1に記載の椎間ケージ。
- 中央からずれた部分を有するワイヤが前記ケージを前記装着定位に選択的に保持する、請求項1に記載の椎間ケージ。
- 前記ヒンジ連結要素が、外部定位にさらされたときに前記内部捻り応力を作り出すように構成された材料から形成されている、請求項1に記載の椎間ケージ。
- 前記外部条件は、温度、光、磁場、電場、圧力、音、および、振動のうちの1つである、請求項15に記載の椎間ケージ。
- 前記ケージセクションの一部または全てが異なる大きさに形成されている、請求項1に記載の椎間ケージ。
- 前記ケージの中央部分に設けられた前記ケージセクションは、前記ケージの端部部分に設けられた前記ケージセクションよりも長い、請求項17に記載の椎間ケージ。
- 開口部が設けられた内視鏡と、
前記開口部内に配置された椎間ケージであって、複数のケージセクションと、隣り合う前記ケージセクションを相対的に移動するようにつなぎ合わせるヒンジ連結要素とを含み、前記ヒンジ連結要素が前記ケージセクションを押し動かして、展開定位から装着定位まで動かす、椎間ケージと、
を備える、椎間ケージを椎間板内に装着するためのデバイス。 - 前記開口部内に配置されたカートリッジをさらに含み、前記椎間ケージが前記カートリッジ内に配置されている,請求項19に記載の装着デバイス。
- 前記カートリッジが前記内視鏡に対して可動である、請求項20に記載の装着デバイス。
- 前記カートリッジには、位置決め隆起部が設けられており、前記位置決め隆起部は、前記内視鏡に設けられた位置決め凹部と協働して、前記カートリッジが前記内視鏡内にただ1つの、予め定められた向きで挿入されるようにする、請求項21に記載の装着デバイス。
- 前記カートリッジの外側表面に複数の歯部が形成されていて、前記カートリッジの前記内視鏡に対する運動を容易にしている、請求項21に記載の装着デバイス。
- 前記カートリッジに停止フランジが設けられており、前記停止フランジは、前記カートリッジを前記内視鏡に対して動かせる量を制限する、請求項21に記載の装着デバイス。
- 前記内視鏡が第2の開口部をさらに含み、前記第2の開口部の中にはカメラが設けられている、請求項19に記載の装着デバイス。
- 前記内視鏡は、第3の開口部をさらに含み、前記第3の開口部の中にはカニューレが設けられている、請求項25に記載の装着デバイス。
- (a)損傷した椎間板の繊維輪の一部および核を取り除き、前記損傷した椎間板の中に空間を設けるステップと、
(b)椎間ケージを前記損傷した椎間板の前記空間内に装着するステップであって、前記椎間ケージが、複数のケージセクションと、相対運動をするように隣り合うケージセクションをつなぎ合わせるヒンジ連結要素とを含み、前記ヒンジ連結要素が前記ケージセクションを押し動かして、展開定位から装着定位まで動かす、ステップと、
を含む、損傷した椎間板を直すための方法。 - ステップ(b)は、開口部が設けられている内視鏡を用意し、前記椎間ケージを前記開口部内に前記伸展定位で初めに配置し、その後、前記椎間ケージを前記開口部を介して前記損傷した椎間板の中へと動かし、自動的に前記装着定位をとらせることにより行われる、請求項27に記載の方法。
- 前記内視鏡はカメラを含み、前記カメラは、ステップ(a)および(b)が行われているときにステップ(a)および(b)を直接見ることを可能にする、請求項28に記載の方法。
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PCT/US2012/056297 WO2013043850A2 (en) | 2011-09-20 | 2012-09-20 | Expandable inter-vertebral cage and method of installing same |
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EP2758008A2 (en) | 2014-07-30 |
EP2758008A4 (en) | 2015-04-29 |
US20140379086A1 (en) | 2014-12-25 |
EP2758008B1 (en) | 2019-09-11 |
WO2013043850A3 (en) | 2013-05-16 |
WO2013043850A2 (en) | 2013-03-28 |
KR102043737B1 (ko) | 2019-11-12 |
US9561115B2 (en) | 2017-02-07 |
JP6030140B2 (ja) | 2016-11-24 |
KR20140080501A (ko) | 2014-06-30 |
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