JP2022527160A - 整形外科用セットスクリュを2つの異なるトルクレベルで締め付けるためのシステム - Google Patents
整形外科用セットスクリュを2つの異なるトルクレベルで締め付けるためのシステム Download PDFInfo
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- 230000000399 orthopedic effect Effects 0.000 title claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 96
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- 238000010586 diagram Methods 0.000 abstract description 6
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Abstract
Description
本特許出願は、2019年3月26日に出願された国際特許出願第PCT/IB2019/052453号の優先権を主張し、その内容は、参照によりその全体が本明細書に組み込まれる。
Claims (16)
- 椎弓根スクリュのヘッドにセットスクリュを締め付けるための整形外科用インプラントキットであって、前記キットが、
前記椎弓根スクリュの前記ヘッドを保持するためのスクリュエクステンダと、
前記セットスクリュと係合して前記セットスクリュを前記椎弓根スクリュの前記ヘッドにねじ込み可能に締め付けるためのセットスクリュドライバと、
前記セットスクリュドライバと前記スクリュエクステンダとの間のトルクを第1のトルク値に制限するための第1のトルク制限機構、または前記セットスクリュドライバと前記スクリュエクステンダとの間で前記第1のトルク値に達したことを示すための第1のトルク指示機構と、
前記セットスクリュドライバと前記スクリュエクステンダとの間のトルクを前記第1のトルク値よりも高い第2のトルク値に制限するための第2のトルク制限機構と
を備える、整形外科用インプラントキット。 - 前記第1のトルク制限機構または前記第1のトルク指示機構と前記第2のトルク制限機構とが、前記セットスクリュドライバに一体化されている、請求項1に記載の整形外科用インプラントキット。
- 前記スクリュエクステンダに対して前記セットスクリュドライバを回転させるためのハンドルと、前記ハンドルと前記セットスクリュドライバとの間に配置された前記第1のトルク制限機構または前記第1のトルク指示機構と、前記セットスクリュドライバに一体化された前記第2のトルク制限機構とをさらに備える、請求項1に記載の整形外科用インプラントキット。
- 前記スクリュエクステンダに対して前記セットスクリュドライバを回転させるためのハンドルと、前記ハンドルと前記セットスクリュドライバとの間に配置されるように構成された前記第1のトルク制限機構または前記第1のトルク指示機構と、前記ハンドルと前記セットスクリュドライバとの間に配置されるように構成された前記第2のトルク制限機構とをさらに備える、請求項1に記載の整形外科用インプラントキット。
- 前記セットスクリュドライバが、
セットスクリュ係合部を有するシャフトと、
前記シャフトを取り囲む管状要素と、
前記管状要素を取り囲む外側シェルであって、前記外側シェルが、前記スクリュエクステンダの雌ねじ山とねじ込み可能に係合するための雄ねじ山を有する、外側シェルと
を備え、
第1の破断可能なピンが、前記管状要素と前記外側シェルとの間に配置され、前記第1のトルク制限機構または前記第1のトルク指示機構の一部を形成し、第2の破断可能なピンが、前記管状要素と前記シャフトとの間に配置され、前記第2のトルク制限機構を形成する、
請求項2に記載の整形外科用インプラントキット。 - 前記セットスクリュドライバがさらに、
前記第1のトルク指示機構の一部として、前記第1の破断可能なピンの破断時に振動または音の少なくとも一方を発生させるための機構
を含む、請求項5に記載の整形外科用インプラントキット。 - 前記機構が、前記管状要素の側壁の凹部と係合する突起を含む、請求項6に記載の整形外科用インプラントキット。
- 前記セットスクリュドライバがさらに、
前記第1の破断可能なピンが破断した後に、前記管状要素と前記外側シェルとの間の回転運動を阻止するためのボルト
を含む、請求項4に記載の整形外科用インプラントキット。 - 前記第1のトルク指示機構が、トルクスケール、前記第1のトルク値を通過する際に振動を発生させる機構、前記第1のトルク値を通過する際に衝撃を発生させる機構、および前記第1のトルク値を通過する際に可聴音を発生させる機構のうちの少なくとも1つを含む、請求項1に記載の整形外科用インプラントキット。
- 脊椎ロッドを保持するための椎弓根スクリュのヘッドにセットスクリュを締め付けるための方法であって、前記椎弓根スクリュの前記ヘッドが、前記脊椎ロッドを収容する溝を有し、前記方法が、
前記椎弓根スクリュの前記ヘッドにセットスクリュをねじ込み可能に係合させるステップと、
セットスクリュドライバを前記セットスクリュに取り付けるステップと、
前記セットスクリュドライバに関連する第1のトルク制限機構によって、または第1のトルクに達したことを示すための第1のトルク指示機構によって制限される前記第1のトルクで前記椎弓根スクリュの前記ヘッドおよび前記脊椎ロッドに前記セットスクリュを第1に締め付けるステップと、
前記セットスクリュドライバに関連する第2のトルク制限機構によって前記第1のトルクよりも高い第2のトルクで前記椎弓根スクリュの前記ヘッドおよび前記脊椎ロッドに前記セットスクリュを第2に締め付けるステップと
を含む、セットスクリュを締め付けるための方法。 - 前記第1に締め付けるステップおよび前記第2に締め付けるステップにおいて、前記第1および前記第2のトルク制限機構が、前記セットスクリュドライバと前記椎弓根スクリュの前記ヘッドとの間に作用し、前記椎弓根スクリュの前記ヘッドにスクリュエクステンダが取り外し可能に取り付けられる、請求項10に記載のセットスクリュを締め付けるための方法。
- 前記第1のトルクレベルが、前記椎弓根スクリュの多軸性を維持しながら、前記脊椎ロッドを手動操作によって前記溝の内側で回転させることができないようなレベルである、請求項10に記載のセットスクリュを締め付けるための方法。
- 椎弓根スクリュのヘッドにセットスクリュを締め付けるためのスクリュエクステンダを有する整形外科用インプラントキットのためのセットスクリュドライバであって、前記セットスクリュドライバが、
前記セットスクリュドライバと前記スクリュエクステンダとの間のトルクを第1のトルク値に制限するための第1のトルク制限機構、または前記セットスクリュドライバと前記スクリュエクステンダとの間で前記第1のトルク値に達したことを示すための第1のトルク指示機構と、
前記セットスクリュドライバと前記スクリュエクステンダとの間のトルクを前記第1のトルク値よりも高い第2のトルク値に制限するための第2のトルク制限機構と
を備える、セットスクリュドライバ。 - セットスクリュ係合部を有するシャフトと、
前記シャフトを取り囲む管状要素と、
前記管状要素を取り囲む外側シェルと
をさらに備え、
破断可能なピンまたはラチェット型デバイスが、前記管状要素と前記外側シェルとの間に配置され、前記第1のトルク制限機構または前記第1のトルク指示機構の一部を形成し、第2の破断可能なピンが、前記管状要素と前記シャフトとの間に配置され、前記第2のトルク制限機構を形成する、
請求項13に記載のセットスクリュドライバ。 - 前記セットスクリュドライバがさらに、
前記破断可能なピンが破断した後、またはラチェット型デバイスが解放された後、前記管状要素と前記外側シェルとの間の回転運動を阻止するためのボルト
を含む、請求項14に記載のセットスクリュドライバ。 - 前記第1のトルク指示機構が、前記第1のトルク値を通過する際に振動を発生させる機構、前記第1のトルク値を通過する際に衝撃を発生させる機構、および前記第1のトルク値を通過する際に可聴音を発生させる機構のうちの少なくとも1つを含む、請求項13に記載のセットスクリュドライバ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IBPCT/IB2019/052453 | 2019-03-26 | ||
IB2019052453 | 2019-03-26 | ||
PCT/IB2020/052857 WO2020194227A1 (en) | 2019-03-26 | 2020-03-26 | System for tightening an orthopedic set screw at two different torque levels |
Publications (1)
Publication Number | Publication Date |
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JP2022527160A true JP2022527160A (ja) | 2022-05-31 |
Family
ID=70457079
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JP2021557232A Pending JP2022527160A (ja) | 2019-03-26 | 2020-03-26 | 整形外科用セットスクリュを2つの異なるトルクレベルで締め付けるためのシステム |
Country Status (6)
Country | Link |
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US (1) | US20220125489A1 (ja) |
EP (1) | EP3946102A1 (ja) |
JP (1) | JP2022527160A (ja) |
CN (1) | CN113795211A (ja) |
BR (1) | BR112021019026A2 (ja) |
WO (1) | WO2020194227A1 (ja) |
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US20240001521A1 (en) * | 2022-07-01 | 2024-01-04 | Toyota Motor Engineering & Manufacturing North America, Inc. | Clip installation tools |
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-
2020
- 2020-03-26 WO PCT/IB2020/052857 patent/WO2020194227A1/en unknown
- 2020-03-26 BR BR112021019026A patent/BR112021019026A2/pt unknown
- 2020-03-26 JP JP2021557232A patent/JP2022527160A/ja active Pending
- 2020-03-26 US US17/439,834 patent/US20220125489A1/en active Pending
- 2020-03-26 EP EP20721297.8A patent/EP3946102A1/en active Pending
- 2020-03-26 CN CN202080034150.8A patent/CN113795211A/zh active Pending
Also Published As
Publication number | Publication date |
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EP3946102A1 (en) | 2022-02-09 |
BR112021019026A2 (pt) | 2021-11-30 |
US20220125489A1 (en) | 2022-04-28 |
CN113795211A (zh) | 2021-12-14 |
WO2020194227A1 (en) | 2020-10-01 |
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