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- JP2012045392A5 JP2012045392A5 JP2011185819A JP2011185819A JP2012045392A5 JP 2012045392 A5 JP2012045392 A5 JP 2012045392A5 JP 2011185819 A JP2011185819 A JP 2011185819A JP 2011185819 A JP2011185819 A JP 2011185819A JP 2012045392 A5 JP2012045392 A5 JP 2012045392A5
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- 210000000988 Bone and Bones Anatomy 0.000 claims description 20
- 230000002787 reinforcement Effects 0.000 claims description 10
- 230000003014 reinforcing Effects 0.000 claims description 7
- 230000002708 enhancing Effects 0.000 claims description 3
- 238000006065 biodegradation reaction Methods 0.000 claims description 2
- 210000002435 Tendons Anatomy 0.000 description 6
- 210000001519 tissues Anatomy 0.000 description 3
- 230000000149 penetrating Effects 0.000 description 2
- 210000000513 Rotator Cuff Anatomy 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001054 cortical Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
Description
本発明による縫合糸アンカーは、貫通する軸方向孔を有する管状本体を含み、本体の外側表面上の1つ又は2つ以上の食い付き強化具が骨の穴内での本体の食い付きを強化するように適合されている。側方ポートが、孔から外側表面へと、本体を貫通する。ある長さの縫合糸が、外側表面に沿って下に向かい、1つ又は2つ以上の食い付き強化具を越え、本体の遠位端を越えて上に向かい、孔の中を通過し、次いで孔から外へ戻り、外側表面に沿って上に向かい、1つ又は2つ以上の食い付き強化具を越える。
好ましくは、1つ又は2つ以上の食い付き強化具は、外側表面の周囲の、少なくとも1つのねじ山を含む。より好ましくは、本体の近位部分には、複数溝付きの雄ねじ山が設けられている。好ましくは、側方ポートは、複数溝付きの雄ねじ山を有する近位部分に配置される。
本発明の一態様では、本体の近位部分で、少なくとも1つのねじ山の外径及びピッチのうちの1つ又は2つ以上が増大する。
好ましくは、本体は、軸方向孔を下降する長手方向軸を有し、側方ポートが、長手方向軸に対して傾斜角度で本体を貫通することにより、その中を通過する縫合糸は、それ自体に対して、傾斜角度を形成する。
本発明の一態様では、駆動用具受容係合部が、縫合糸アンカー本体の近位部分に提供される。本体は、生分解性材料で形成することができる。本発明の一態様では、1つ又は2つ以上の追加的な、ある長さの縫合糸が、外側表面に沿って下に向かい、1つ又は2つ以上の食い付き強化具を越え、本体の遠位端を越えて上に向かい、孔の中を通過し、次いで孔から外へ戻り、外側表面に沿って上に向かい、1つ又は2つ以上の食い付き強化具を越える。
本発明による、骨に組織を固定するための方法は、ある長さの縫合糸を組織に貫通させる工程と、貫通する軸方向孔を有する管状本体と、骨の穴内での本体の食い付きを強化するように適合された、本体の外側表面上の1つ又は2つ以上の食い付き強化具と、孔から外側表面へと本体を貫通する側方ポートとを含む、縫合糸アンカーに、そのある長さの縫合糸を通過させる工程であって、縫合糸が、外側表面に沿って下に向かい、1つ又は2つ以上の食い付き強化具を越え、本体の遠位端を越えて、孔の中へ上り、次いで孔から側方ポートを通って外へ戻り、外側表面に沿って上に向かい、1つ又は2つ以上の食い付き強化具を越える、工程と、組織に隣接する骨の中へ縫合糸アンカーを埋め込み、縫合糸アンカー本体と骨との間に縫合糸を捕捉する工程と、を含む。
好ましくは、本方法は、骨の中へ縫合糸アンカーを埋め込む工程を完遂する前に、組織とアンカーとの間の縫合糸を、所望の張力まで引き締める工程を更に含む。好ましくは、1つ又は2つ以上の食い付き強化具は、雄ねじ山を含み、骨の中へ縫合糸アンカーを埋め込む工程は、骨の中の骨の穴内へ縫合糸アンカー本体を螺入することを含む。より好ましくは、雄ねじ山は、ポートに近位の、アンカーの部分に、1つ又は2つ以上の追加的なリードのねじ山を含み、本方法は、皮質骨の範囲内に、この部分を植え込むことを含む。
本体12は、遠位ねじ山付部分20及び近位ねじ山付部分22を有する。単一の雄ねじ山24が、本体12の周りで螺旋状に進行して、遠位ねじ山付区域20を形成する。このねじ山24は、ほぼ遠位端14にまで延び、より容易な骨の穴(図1には示さず)内への挿入のために、遠位端14より約0.25〜0.76cm(0.1〜0.3インチ)短く終端している。しかしながら、1つ又は2つ以上の追加的なリードのねじ山26が近位端16に向かって開始し、近位ねじ山付部分22を区別する、複数溝付きねじ切りが形成される。個々のねじ条24及びねじ条26は、遠位ねじ山付区域20におけるねじ山24と同一のピッチを有し、1つ又は2つ以上の追加的なリードのねじ山26の存在が、近位ねじ山付部分22に、増大した有効ねじ山ピッチを提供する。しかしながら、近位ねじ山付部分22における各リードのねじ山のピッチを、ねじ山24のピッチと同一に維持することで、アンカー10を骨の穴内に螺入する際の軸方向圧縮効果を、ねじ山から排除する。好ましくは、近位ねじ山付部分22には、4つのリードのねじ山、すなわちねじ山24及び3つの追加的なリードのねじ山26が存在する。近位ねじ山付部分22の外径は、好ましくは、遠位ねじ山付部分20の外径よりも若干大きい。鋭利な外縁部を備えるねじ山を有するのではなく、むしろねじ山24及びねじ山26は、それらに押し付けられる縫合糸に対する応力を最小限に抑えるために、丸い断面形又は鈍角の断面形を有することが好ましい。ねじ山24及びねじ山26を有するアンカー本体12を示したが、特に、より小直径の場合には、これらのねじ山を、ねじ山付アンカーと比べると押し込みアンカーに適した、環状フランジ、又は他の食い付き強化具に置き換えることができる。ねじ山24及びねじ山26を有していても、より小直径のアンカー本体12は、螺入するよりもむしろ押し込むことが適切な場合がある。
側方ポート28は、本体12を、傾斜角度で、本体12の遠位方向に延びる長手方向軸30まで貫通し、近位ねじ山付部分22の範囲内に配置される。この側方ポート28は、本体12を通る内側軸方向カニューレ挿入部32と本体12の外面35との間の、縫合糸(図1には示さず)の通路を提供する。そのような機能は、以下で詳細に説明する。
また、図2を参照すると、ある長さの縫合糸36が、アンカー本体12を貫通し、また腱(例えば、回旋筋腱板内の腱)38も貫通している、骨の穴34内部に配置された縫合糸アンカー10が示されている。縫合糸36のループ40は、腱38を貫通し、次いで、その自由端42は、アンカー本体12の第1側面44に沿って下に進み、特にねじ山24及びねじ山26による、アンカー本体12と、骨の穴32を形成する骨46との間に捕捉されている。次いで自由端42は、遠位端14を通り越して軸方向カニューレ挿入部32内に入り、次いで、カニューレ挿入部32から側方ポート28を通過して外に戻る。この場所から、自由端42は、アンカー本体12の第2側面48と骨46との間を、本体12と骨46との間に捕捉されて、通過する。他の糸通しの構成も可能である。例えば、ループ40を腱38に貫通させるのではなく、第2のアンカー又はアンカーの列(図示せず)を腱38の下方に置き、縫合糸36が、これらのアンカーから上向きに腱38を貫通して、アンカー本体12又は複数のアンカー本体12に至るようにすることができる。
また、図5を参照すると、近位ねじ山付区域22内のねじ山26のリード数が、骨46とアンカー本体12との間の、縫合糸36の固定に影響を及ぼすことを認めることができる。より多くのねじ山のリード数は、そのような縫合糸36の固定を強化する。最上の線は、ねじ山24及び3つの追加的なリードのねじ山26の、4つの山を使用した、最適な固定を示している。
Claims (9)
- 貫通する軸方向孔を有する管状本体と、
骨の穴内での前記本体の食い付きを強化するように適合された、前記本体の外側表面上の1つ又は2つ以上の食い付き強化具と、
前記孔から前記外側表面へと、前記本体を貫通する側方ポートと、
前記外側表面に沿って下に向かい、前記1つ又は2つ以上の食い付き強化具を越え、前記本体の遠位端を越えて上に向かい、前記孔の中を通過し、次いで前記孔から外へ戻り、前記外側表面に沿って上に向かい、前記1つ又は以上の食い付き強化具を越える、ある長さの縫合糸と、を含む、縫合糸アンカー。 - 前記1つ又は2つ以上の食い付き強化具が、前記外側表面の周囲の、少なくとも1つのねじ山を含む、請求項1に記載の縫合糸アンカー。
- 前記本体の近位部分が、複数溝付きの雄ねじ山を有する、請求項2に記載の縫合糸アンカー。
- 前記側方ポートが、前記複数溝付きの雄ねじ山を有する前記近位部分に配置される、請求項3に記載の縫合糸アンカー。
- 前記本体の近位部分で、前記少なくとも1つのねじ山の外径及びピッチのうちの1つ又は2つ以上が増大する、請求項2に記載の縫合糸アンカー。
- 前記本体が、前記軸方向孔を下降する長手方向軸を有し、前記側方ポートが、前記長手方向軸に対して傾斜角度で前記本体を貫通することにより、その中を通過する前記縫合糸が、それ自体に対して、傾斜角度を形成する、請求項1に記載の縫合糸アンカー。
- 近位部分に、駆動用具受容係合部を更に含む、請求項1に記載の縫合糸アンカー。
- 前記本体が、生分解性材料で形成される、請求項1に記載の縫合糸アンカー。
- 前記外側表面に沿って下に向かい、前記1つ又は2つ以上の食い付き強化具を越え、前記本体の前記遠位端を越えて上に向かい、前記孔の中を通過し、次いで前記孔から外へ戻り、前記外側表面に沿って上に向かい、前記1つ又は2つ以上の食い付き強化具を越える、1つ又は2つ以上の追加的な、ある長さの縫合糸を更に含む、請求項1に記載の縫合糸アンカー。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/871,189 | 2010-08-30 | ||
US12/871,189 US8460340B2 (en) | 2010-08-30 | 2010-08-30 | Knotless suture anchor |
Publications (3)
Publication Number | Publication Date |
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JP2012045392A JP2012045392A (ja) | 2012-03-08 |
JP2012045392A5 true JP2012045392A5 (ja) | 2015-12-17 |
JP5921836B2 JP5921836B2 (ja) | 2016-05-24 |
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Application Number | Title | Priority Date | Filing Date |
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JP2011185819A Active JP5921836B2 (ja) | 2010-08-30 | 2011-08-29 | 結び目のない縫合糸のアンカー |
JP2013527174A Active JP6013334B2 (ja) | 2010-08-30 | 2011-08-30 | ねじ山のない鼻部を備えた結び目のない縫合糸アンカー |
Family Applications After (1)
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JP2013527174A Active JP6013334B2 (ja) | 2010-08-30 | 2011-08-30 | ねじ山のない鼻部を備えた結び目のない縫合糸アンカー |
Country Status (8)
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US (4) | US8460340B2 (ja) |
EP (2) | EP2422712B1 (ja) |
JP (2) | JP5921836B2 (ja) |
CN (2) | CN102551821B (ja) |
AU (2) | AU2011213860B2 (ja) |
BR (1) | BRPI1107025B1 (ja) |
CA (2) | CA2750493A1 (ja) |
WO (1) | WO2012030754A1 (ja) |
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- 2011-08-29 JP JP2011185819A patent/JP5921836B2/ja active Active
- 2011-08-30 CA CA2809265A patent/CA2809265A1/en not_active Abandoned
- 2011-08-30 US US13/220,917 patent/US9775605B2/en active Active
- 2011-08-30 CN CN201110269916.3A patent/CN102551821B/zh active Active
- 2011-08-30 AU AU2011296169A patent/AU2011296169B2/en active Active
- 2011-08-30 CN CN201180041881.6A patent/CN103167837B/zh active Active
- 2011-08-30 JP JP2013527174A patent/JP6013334B2/ja active Active
- 2011-08-30 WO PCT/US2011/049634 patent/WO2012030754A1/en active Application Filing
- 2011-08-30 BR BRPI1107025-0A patent/BRPI1107025B1/pt not_active IP Right Cessation
- 2011-08-30 EP EP11754801.6A patent/EP2611367B1/en active Active
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2017
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2020
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