JP5390646B2 - 略直線状の導管を介して物体内へ導入されて所定の曲線状構造を形成する装置及びこの装置の使用方法 - Google Patents
略直線状の導管を介して物体内へ導入されて所定の曲線状構造を形成する装置及びこの装置の使用方法 Download PDFInfo
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- JP5390646B2 JP5390646B2 JP2012025498A JP2012025498A JP5390646B2 JP 5390646 B2 JP5390646 B2 JP 5390646B2 JP 2012025498 A JP2012025498 A JP 2012025498A JP 2012025498 A JP2012025498 A JP 2012025498A JP 5390646 B2 JP5390646 B2 JP 5390646B2
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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
- 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
- A61F2230/0091—Three-dimensional shapes helically-coiled or spirally-coiled, i.e. having a 2-D spiral cross-section
-
- 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
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- General Health & Medical Sciences (AREA)
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- Public Health (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgery (AREA)
- Transplantation (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Vascular Medicine (AREA)
- Molecular Biology (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Physical Education & Sports Medicine (AREA)
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Description
したがっ、略直線状の導管を介して物体内へ導入されて所定の曲線状構造を形成する
装置及びこの装置の使用方法に対する必要性が生じている。
本発明の別の実施形態によると、前記所定の曲線状の構造が、第1の曲率半径を有する第1の領域と、該第1の曲率半径より大きい第2の曲率半径を有する第2の領域を備える。
本発明の別の実施形態によると、前記所定の曲線状構造が、円錐形の弦巻状である。
本発明の別の実施形態によると、前記所定の曲線状構造が、弦巻状構造を含む。
本発明の別の実施形態によると、前記区画の側面が、相補的なロック構造を有し、前記弦巻状構造の連続する巻回部分が横方向に移動することが防止される。
本発明の別の実施形態によると、前記所定の曲線状構造が、(a)平面状の渦巻状部を形成する第1の部分と、(b)弦巻状部を形成する第2の部分を備える。
本発明の別の実施形態によると、前記有効なヒンジ部のそれぞれが、隣接する区画の間を接続する可撓性材料の平らな接続部分により形成される。
本発明の別の実施形態によると、全ての前記区画と全ての前記平らな接続部分が一体的に形成される。
本発明の別の実施形態によると、前記平らな接続部分のそれぞれが、前記区画を屈曲させるように弾性的に付勢されており、これにより前記細長い部品が前記完全に屈曲した状態となる傾向を有する。
本発明の別の実施形態によると、前記区画のそれぞれが、中空の材料ブロックから形成される。
本発明の別の実施形態によると、前記細長い部品が面取りされた先端部を更に備え、前記細長い部品が媒体中を前進するとき、前記細長い部品が前記完全に屈曲した状態まで屈曲しやすくなるような角度を前記面取りされた先端部が有する。
本発明の別の実施形態によると、前記区画のそれぞれの前記当接表面と、それぞれの隣接する一つの前記区画が有する対応する当接表面が、連結構造を有し、これにより、前記完全に屈曲した状態において、前記連結構造が前記細長い部品のねじれ変形に抗することを補助する。
本発明の別の実施形態によると、前記物体に対して前記細長い部品を固定する少なくとも1つの固定部を更に備え、前記細長い部品がインプラントの少なくとも一部をなす。
本発明の別の実施形態によると、前記細長い部分の先端部に取付けられるドリル用部品を更に備える。
本発明の別の実施形態によると、前記細長い部品の長さが、前記細長い部品の横方向の寸法のそれぞれと比べて少なくとも10倍以上大きい。
本発明の別の実施形態によると、前記細長い部品が、中実の先端部を備えるように形成され、前記細長い部品が前記物体を通って進むとき前記物体を構成する材料を移動及び圧縮させる。
本発明の別の実施形態によると、前記細長い部品が中空の先端部を備えるように形成され、該中空の先端部が前記物体から材料のサンプルを切断する。
本発明の別の実施形態によると、少なくとも1つの領域において前記物体の一部に対して前記細長い部品を固定する段階を更に備える。
本発明の別の実施形態によると、前記所定の曲線状構造が略弦巻状の部分を含む。
本発明の別の実施形態によると、前記人体の少なくとも2つの椎骨を通して、前記細長い部品が導入される。
本発明の別の実施形態によると、前記細長い部品が、第1の椎骨を通して導入され、前記細長い部品の先端部が第2の椎骨から出る。
本発明の別の実施形態によると、前記細長い部品が、4つの皮質骨領域と噛合う。
本発明の別の実施形態によると、前記細長い部品が、第1の椎骨の椎弓根を通して導入され、隣接する複数の椎骨を通過する略弦巻状の補強構造を形成する。
本発明の別の実施形態によると、2つの隣接する椎骨の少なくとも一部の間の間隔を増大させるように前記細長い部品が導入される。
本発明の別の実施形態によると、前記所定の曲線状の形状が徐々に拡径した複数の巻回部分を有し、これにより前記細長い部品の導入の間に、前記2つの隣接する椎骨の少なく
とも一部の間の間隔が、段階的に変化する。
本発明の別の実施形態によると、前記所定の曲線状の形状が、複数の積み重ねられた巻回部分を有し、該巻回部分のそれぞれが略軸方向の平面内に存在し、これにより前記細長い部品の導入の間に、前記2つの隣接する椎骨の少なくとも一部の間の間隔が段階的に変化する。
本発明の別の実施形態によると、前記細長い部品が横方向の連結構造を有するように形成され、これにより前記複数の積み重ねられた巻回部分の連続する巻回部分が相互に噛合わされて、略円柱状の積層体が維持される。
本発明の別の実施形態によると、前記細長い部品が、略平面状の渦巻状構造を形成する先端部を備える。
本発明の別の実施形態によると、前記細長い部品が前記隣接する椎骨間に同側的に導入され、前記細長い部品が、前記隣接する椎骨間の脊柱側弯症によるずれを少なくとも部分的に補正する。
本発明の別の実施形態によると、前記所定の曲線状構造が少なくとも部分的に閉じた囲いを形成する複数の巻回部分を備え、前記方法が更に前記少なくとも部分的に閉じた囲い内に所定量の生体適合性構造充填材を導入する段階を更に備える。
本発明の別の実施形態によると、前記所定の曲線状構造が少なくとも部分的に閉じた囲いを形成する複数の巻回部分を備え、前記方法が更に前記少なくとも部分的に閉じた囲い内に所定量の治療剤を導入する段階を更に備える。
本発明の別の実施形態によると、前記細長い部品を導入する段階の後に、前記細長い部品を前記椎骨のうちの一つの椎弓根に対して直接的或いは間接的に固定することにより、前記細長い部品の位置決めを行う段階を更に備える。
本発明は、略直線状の導管を介して物体内へ導入されて所定の曲線状構造を形成する装置及びこの装置の使用方法である。
図面と以下の説明を参照することにより、本発明に係る装置及び方法の原理及び動作を、よりよく理解できる。
例示のために、本発明に係る様々な装置を示す。これらの装置は共通の発明概念に基づくが、特に、物体内へ挿入されたときにこれら装置がなす特定の所定の曲線状構造などの特定の形態において異なる。これら装置は、装置自体の構造によりその構造的特徴を定められ、その特性によりその機械的特徴を定められるが、その使用は特定の技術又は特定の用途に限定されない。これら装置は図1乃至図19Eを参照して以下に説明される。続いて、図20A乃至図29Cを参照して、特に人体の医療的処置の分野においてこれらの装置を用いる少数の例示的用途を示す。
この形状は、圧縮可能又は交換可能な媒体中を進むとき、屈曲して曲線経路を進みやすい。これにより、図3に示すように、細長い部品(10)が、供給用導管(20)を超えて前進する間に完全に屈曲した曲線形状まで徐々に屈曲することとなる。
第1に、この実施形態において、スロットが矩形状のスロットとして形成されるので、隣接する区画の上端に沿ってのみ当接表面(16)及び(18)が生じる。この形態は、製造が容易であることに加えて、当接表面の間に曲線状構造の形成を妨げるような異物が存在することによる影響が小さいという利点を有する。一方で、この曲線状の構造は、隣接する区画の間に三角形状の横方向の開口部を生じる。このことは特定の用途においては望ましくないことがある。
このような傾斜角度を有する結果として、所定の曲線状構造は、横方向の曲率成分を有することになり、図10に示すような弦巻形状をなす。傾斜角αを変化させることにより、弦巻のピッチを変化させることができる。これにより、この弦巻形状を、図示例のように開状態(すなわち弦巻形状の隣接する巻回部分の間に空間が存在する状態)と閉状態(すなわち隣接する巻回部分が互いに接している状態)のいずれにも設計することができる。
Claims (19)
- 物体内に導入されて該物体内で所定の曲線状構造を形成するための装置であって、該装置が、
細長い部品を備え、前記細長い部品は、複数の区画から形成され、当該複数の区画は隣接するもの同士の間で、有効なヒンジによって相互接続され、前記細長い部品が矩形の断面形状を有し、
前記装置は、さらに、
前記細長い部品の前記断面形状と緊密に噛合う矩形の断面形状を備えた導管を備え、
前記複数の区画及び前記有効なヒンジは、
(a)前記細長い部品が前記導管内で制限されるとき、前記有効なヒンジが、一つの区画から次の区画へ圧縮力を伝えて、これにより前記細長い部品が押し出されて前記導管を介して前進することを可能とし、
(b)前記細長い部品が前記導管内で制限されないとき、前記有効なヒンジにより、前記次の区画に対して一つの区画が屈曲することが可能とされ、これにより前記細長い部品が屈曲した状態とされ、該屈曲した状態が、前記細長い部品の所定の曲線状構造に対応する、
ことを特徴とする装置。 - 前記所定の曲線状の構造が、少なくとも180度の中心角をもって弓状に湾曲可能であることを特徴とする請求項1記載の装置。
- 前記所定の曲線状の構造が、第1の曲率半径を有する第1の領域と、該第1の曲率半径より大きい第2の曲率半径を有する第2の領域を備えることを特徴とする請求項1記載の装置。
- 前記所定の曲線状構造が、円錐形の弦巻状であることを特徴とする請求項1記載の装置。
- 前記所定の曲線状構造が、弦巻状構造を含むことを特徴とする請求項1記載の装置。
- 前記区画の側面が、相補的なロック構造を有し、前記弦巻状構造の連続する巻回部分が横方向に移動することが防止されることを特徴とする請求項5記載の装置。
- 前記所定の曲線状構造が、
(a)平面状の渦巻状部を形成する第1の部分と、
(b)弦巻状部を形成する第2の部分を備えることを特徴とする請求項1記載の装置。 - 前記有効なヒンジのそれぞれが、隣接する区画の間を接続する可撓性材料の平らな接続部分により形成されることを特徴とする請求項1記載の装置。
- 前記平らな接続部分が、隣接する前記区画と一体的に形成されることを特徴とする請求項8記載の装置。
- 全ての前記区画と全ての前記平らな接続部分が一体的に形成されることを特徴とする請求項8記載の装置。
- 前記平らな接続部分のそれぞれが、前記細長い部品が完全に屈曲した状態となる傾向を有するように、弾性的に付勢されて前記区画を屈曲させる、ことによって与えられることを特徴とする請求項8記載の装置。
- 前記各区画のそれぞれが、非中空の材料ブロックから形成されることを特徴とする請求項1記載の装置。
- 前記区画のそれぞれが、中空の材料ブロックから形成されることを特徴とする請求項1記載の装置。
- 前記細長い部品がさらに、前記細長い部品が媒体中を前進するとき、前記細長い部品が完全に屈曲した状態まで変形するような角度に面取りされた先端部を含むことを特徴とする請求項1記載の装置。
- 前記細長い部品を変形させるために前記細長い部品の長さ方向に沿って配備された引張部品をさらに含むことを特徴とする請求項1記載の装置。
- 前記区画の第一の当接表面と、前記区画の隣接する一つの対応する当接表面が、連結構造を有し、これにより、完全に屈曲した状態において、前記連結構造が前記細長い部品のねじれ変形に抗することを補助することを特徴とする請求項1記載の装置。
- 前記物体に対して前記細長い部品を固定する少なくとも1つの固定部を更に備え、前記細長い部品がインプラントの少なくとも一部をなすことを特徴とする請求項1記載の装置。
- 前記細長い部品を通過する回転可能なドライブ・シャフトの先端部に取付けられるドリル用部品を更に備えることを特徴とする請求項1記載の装置。
- 前記細長い部品の長さが、前記細長い部品の横方向の寸法のそれぞれと比べて少なくとも10倍以上大きいことを特徴とする請求項1記載の装置。
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US11/028,655 US7503920B2 (en) | 2004-08-11 | 2005-01-05 | Spinal surgery system and method |
US11/028,655 | 2005-01-05 | ||
US68957005P | 2005-06-13 | 2005-06-13 | |
US60/689,570 | 2005-06-13 |
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JP2013209658A Expired - Fee Related JP5736431B2 (ja) | 2005-01-05 | 2013-10-04 | 略直線状の導管を介して物体内へ導入されて所定の曲線状構造を形成する装置及びこの装置の使用方法 |
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JP2013209658A Expired - Fee Related JP5736431B2 (ja) | 2005-01-05 | 2013-10-04 | 略直線状の導管を介して物体内へ導入されて所定の曲線状構造を形成する装置及びこの装置の使用方法 |
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JP5736431B2 (ja) | 2015-06-17 |
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WO2006072941A2 (en) | 2006-07-13 |
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