JP2007508908A - 椎体置換装置およびその方法 - Google Patents
椎体置換装置およびその方法 Download PDFInfo
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- JP2007508908A JP2007508908A JP2006536772A JP2006536772A JP2007508908A JP 2007508908 A JP2007508908 A JP 2007508908A JP 2006536772 A JP2006536772 A JP 2006536772A JP 2006536772 A JP2006536772 A JP 2006536772A JP 2007508908 A JP2007508908 A JP 2007508908A
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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
- 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
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
- A61F2250/006—Additional features; Implant or prostheses properties not otherwise provided for modular
- A61F2250/0063—Nested prosthetic parts
-
- 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
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
- A61F2250/0082—Additional features; Implant or prostheses properties not otherwise provided for specially designed for children, e.g. having means for adjusting to their growth
-
- 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
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
- A61F2250/0096—Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers
- A61F2250/0098—Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers radio-opaque, e.g. radio-opaque markers
Abstract
Description
・脊髄、及び、神経組織の前方減圧術を成し遂げるために切断または摘出された(例えば、腫瘍治療のためなど)椎体(例えば、病気の椎体など)を置換するために、及び、失った椎体の高さを取り戻すために胸部と腰部の椎骨(すなわちT1からL5)内で利用されるため。
・胸部、及び/又は、腰部の骨折治療に利用されるため。
・前部、中間部及び/または、後部脊柱の生体力学的な完全性を回復するため(例えば、長期間の融合がないときでさえ)。
・補完的な内部固定と共に使用されるため。そのような補完的な内部固定は、いかなる適切なネジ、ロッド、ステープル、ワッシャー、十字コネクター、及び/または、後部フックを有する(ただし、これらに制限されるものではない)。
病的な肥満
精神病
アルコール中毒症、及び/または薬物乱用
妊娠中
精神化敏捷症/アレルギー
ひどい骨減少
術後の看護方針に従わない、または、従えない患者
上記に分類されない特定の状況(例えば、いかなる適切な介護者によって認識されている)
Claims (32)
- 第一椎骨と第二椎骨との間に配置するための椎体置換装置であって、
前記第一椎骨の下部面の少なくとも一部に接触するための、ほぼ外側を向いた面と、その上に少なくとも二つの突出部を有するほぼ内側を向いた面を有する、第一端部プレートと、
第二脊柱の少なくとも上面部分に接触するためのほぼ外側を向いた接面と、その上に少なくとも二つの突出部を有するほぼ内側を向いた面を有する、第二端部プレートと、
少なくとも一つの開口部を有する第一側部スペーサーと、
少なくとも一つの開口部を有する第二側部スペーサーと、を有していて、
前記第一及び第二側部スペーサーが、前記第一端部プレートが前記第一及び第二側部スペーサーの上にあり、前記第二端部プレートが前記第一及び第二側部スペーサーの下にあるように、前記第一及び第二端部プレートの間に配置されたときに、前記第一側部スペーサーの前記開口部は、前記第一及び第二端部プレート各々の少なくとも一つの突出部を受承するように構成され、前記第二側部スペーサーの前記開口部は、前記第一及び第二端部プレート各々の少なくとも一つの突出部を受承するように構成される、装置。 - 前記突出部の各々と前記開口部のそれぞれ一つとのはめ合いが、前記第一端部プレート、前記第二端部プレート、前記第一側部スペーサー及び前記第二側部スペーサー各々の間の横方向の位置あわせを提供する、請求項1に記載の装置。
- 前記突出部の少なくとも一つと、少なくとも一つの前記開口部のそれぞれ一つは、前記開口部で前記突出部を固定するための固定機構を含む、請求項2に記載の装置。
- 前記突出部の前記固定機構及び、前記開口部の前記固定機構は、その固定の解除を可能にするように構成される、請求項3に記載の装置。
- 前記突出部の前記固定機構は一段高い隆起を有し、前記開口部の前記固定機構はくぼみを有する、請求項4に記載の装置。
- 前記突出部の前記固定機構はタブを有し、前記開口部の前記固定手段はスロットを有する、請求項4に記載の装置。
- 前記第一側部スペーサーの前記開口部は、前記側部スペーサーを貫通して伸びて、前記第二側部スペーサーの前記開口部は、前記第二側部スペーサーを貫通して伸びる、請求項1に記載の装置。
- 前記第一及び第二側部スペーサーの各々は、前記第一端部プレートの前記突出部の少なくとも一つを受承するために、前記第一端部プレートのほぼ内側を向いた面に近接する、それぞれの上部開口部を有し、前記第一及び第二側部スペーサーの各々は、前記第二端部プレートの前記突出部の少なくとも一つを受承するために、前記第二端部プレートのほぼ内側を向いた面に近接するそれぞれの下部開口部を有する、請求項1に記載の装置。
- 前記第一及び第二側部スペーサーは、約0〜8度の間の椎骨前彎症の角度を有する請求項1に記載の装置。
- 前記第一端部プレートのほぼ外側を向いた面には凹凸が付けられていて、前記第二端部プレートのほぼ外側を向いた面には凹凸が付けられている、請求項1に記載の装置。
- 前記凹凸は、前記第一及び第二椎骨間から前記装置の排除を阻止するように構成される、請求項10に記載の装置。
- 前記凹凸は、前記第一及び第二椎骨間への装置の挿入を助けるように構成される、請求項10に記載の装置。
- 前記凹凸は、前記第一及び第二椎骨から骨の成長を可能にすることを助けるように構成される、請求項10に記載の装置。
- 前記凹凸は、(a)歯、(b)溝、(c)隆起を含むグループから選択される、請求項10に記載の装置。
- 前記第一端部プレート、前記第二端部プレート、前記第一側部スペーサー及び前記第二側部スペーサーは、前記第一及び第二側部スペーサーが、前記第一端部プレートが前記第一及び第二側部スペーサーの上に、前記第二端部プレートが前記第一及び第二側部スペーサーの下にあるように前記第一及び第二端部プレート間に配置されるときに、少なくとも一つの空洞領域を形成するように構成される、請求項1に記載の装置。
- 前記空洞領域は、前記第一及び第二椎骨からの骨の成長を可能にすることを助けるように構成される請求項15に記載の装置。
- 前記第一端部プレート、前記第二端部プレート、前記第一側部スペーサー及び前記第二側部スペーサーの少なくとも一つは、ポリエーテルケトンを有する、請求項1に記載の装置。
- 前記第一端部プレート、前記第二端部プレート、前記第一側部スペーサー及び前記第二側部スペーサーの少なくとも一つは、実質的にX線を通さない材料を有するマーカーを含む、請求項1に記載の装置。
- 前記第一側部スペーサーと前記第二側部スペーサー間に横方向に配置されている少なくとも一つの付加スペーサーを更に有する、請求項1に記載の装置。
- 補完的な固定手段に、前記装置を接続するための装置を更に有する、請求項1に記載の装置。
- 前記補完的な固定手段は、(a)一以上のネジ、(b)一以上のロッド、(c)一以上のステープル、(d)一以上のワッシャー、(e)一以上の十字コネクター、(f)一以上のフックを含むグループから選択される、請求項20に記載の装置。
- 第一椎骨と第二椎骨との間に配置するための、椎体置換装置を構成する方法であって、 前記第一椎体の少なくとも一つの下部面に接続するためのほぼ外側を向いた面と、その上に少なくとも二つの突出部を有するほぼ内側に向いた面と、を有する第一端部プレートを選択し、
前記第二椎骨の上面のすくなくとも一部に接続するためのほぼ外側を向いた面と、その上に少なくとも二つの突出部を有するほぼ内側に向いた面と、を有する、第二端部プレートを選択し、
少なくとも一つの開口部を有する第一側部スペーサーを選択し、
少なくとも一つの開口部を有する第二側部スペーサーを選択し、
前記第一端部プレートが前記第一及び第二側部スペーサーの上に、前記第二端部プレートが前記第一及び第二側部スペーサーの下にあるように、そして、前記第一側部スペーサーの前記開口部が、前記第一及び第二端部プレート各々の少なくとも一つの突出部を受承し、前記第二側部スペーサーの前記開口部が、前記第一および第二端部プレート各々の少なくとも一つの突出部を受承するように、前記第一および第二端部プレートの間に、前記第一及び第二側部スペーサーを配置する、方法。 - 前記突出部の各々と前記開口部のそれぞれ一つとのはめ合いが、前記第一端部プレート、前記第二端部プレート、前記第一側部スペーサー及び前記第二側部スペーサー各々の間の横方向の位置あわせを提供する、請求項22の方法。
- 前記突出部の少なくとも一つと、少なくとも一つの前記開口部のそれぞれ一つは、前記開口部で前記突出部を固定するための固定機構を含む、請求項23に記載の方法。
- 前記突出部の前記固定機構及び、前記開口部の前記固定機構は、その固定の解除を可能にするように構成される、請求項24に記載の方法。
- 前記第一側部スペーサーの前記開口部は、前記側部スペーサーを貫通して伸びて、前記第二側部スペーサーの前記開口部は、前記第二側部スペーサーを貫通して伸びる、請求項22に記載の方法。
- 前記第一及び第二側部スペーサーの各々は、前記第一端部プレートの前記突出部の少なくとも一つを受承するために、前記第一端部プレートのほぼ内側を向いた面に近接する、それぞれの上部開口部を有し、前記第一及び第二側部スペーサーの各々は、前記第二端部プレートの前記突出部の少なくとも一つを受承するために、前記第二端部プレートのほぼ内側を向いた面に近接するそれぞれの下部開口部を有する、請求項22に記載の方法。
- 列挙された順序に従って、段階が実行される請求項22に記載の方法。
- 背骨を安定させる方法であって、
椎体置換装置用に、第一椎骨の下部面の少なくとも一部分に接触するためのほぼ外側を向いた面と、その上に少なくとも二つの突出部を有するほぼ内側を向いた面と、を有する第一端部プレートを選択し、
椎体置換装置用に、第二脊柱の上面の少なくとも一部分に接触するためのほぼ外側を向いた面と、その上に少なくとも二つの突出部を有するほぼ内側を向いた面と、を有する第二端部プレートを選択し、
椎体置換装置用に、少なくとも一つの開口部を有する第一側部スペーサーを選択し、
椎体置換装置用に、少なくとも一つの開口部を有する第二側部スペーサーを選択し、
前記第一端部プレートが前記第一及び第二側部スペーサーの上に、前記第二端部プレートが前記第一及び第二側部スペーサーの下にあるように、そして、前記第一側部スペーサーの前記開口部が、前記第一及び第二端部プレート各々の少なくとも一つの突出部を受承し、前記第二側部スペーサーの前記開口部が、前記第一および第二端部プレート各々の少なくとも一つの突出部を受承するように、前記第一および第二端部プレートの間に、前記第一及び第二側部スペーサーを配置することによって、前記椎体置換装置を構成する、方法。 - 前記椎体置換装置は、胸椎と腰椎領域の一つに配置されるように構成される、請求項29に記載の方法。
- 列挙された順序に従って、段階が実行される請求項29に記載の方法。
- 第一椎骨と第二椎骨の間に配置するための椎体置換装置であって、
前記第一椎骨の下部面の少なくとも一部に接触するためのほぼ外側を向いた面と、ほぼ内側を向いた面を有する、上端部プレートと、
前記第二椎骨の上面の少なくとも一部に接触するためのほぼ外側を向いた面と、ほぼ内側を向いた面を有する、下端部プレートと、
第一側部スペーサーと、
第二側部スペーサーと、を有し、
前記第一及び第二側部スペーサーは、前記上端部プレートが前記第一及び第二側部スペーサーの上に、前記下端部プレートが前記第一及び第二側部スペーサーの下にあるように配置されている、装置。
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Also Published As
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JP5175049B2 (ja) | 2013-04-03 |
MXPA06004374A (es) | 2006-07-06 |
WO2005041816A2 (en) | 2005-05-12 |
CA2542833A1 (en) | 2005-05-12 |
AU2004284933A1 (en) | 2005-05-12 |
US20050154459A1 (en) | 2005-07-14 |
US20050187625A1 (en) | 2005-08-25 |
JP2013027797A (ja) | 2013-02-07 |
US7776093B2 (en) | 2010-08-17 |
EP1684674A2 (en) | 2006-08-02 |
WO2005041816A3 (en) | 2006-05-11 |
EP1684674A4 (en) | 2011-04-27 |
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