JP2014519960A - 組織固定要素を採用する減圧ドレッシング - Google Patents
組織固定要素を採用する減圧ドレッシング Download PDFInfo
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Abstract
【選択図】図1
Description
本出願は、すべての目的で参照により本明細書に組み込まれる、2011年6月24日に出願された「Reduced−Pressure Dressings Employing Tissue−Fixation Elements」と題する米国仮特許出願第61/500,915号明細書の出願の利益を主張する。
分配マニホールドを、分配マニホールドの組織固定要素を使用して、分配マニホールドが前記組織部位に実質的に隣接したままであるように、組織部位に仮付けするステップと、分配マニホールドを封止部材で覆って、分配マニホールドを収容する封止空間を形成するステップと、封止空間に減圧を提供するステップとを含む。分配マニホールドは、減圧を分配し流体を受け取る多孔質部材を備える。多孔質部材は、組織部位に面する表面積Apを有する。分配マニホールドはまた、多孔質部材に結合された組織固定要素を備える。組織固定要素は、組織部位に面する表面積Atを有し、0.05Ap<At<0.6Apである。
Claims (58)
- 組織部位を治療する減圧システムにおいて、
分配マニホールドであって、
減圧を分配し流体を受け取る複数の流路を有する多孔質部材であって、第1面および組織に面する第2面を有する多孔質部材、
第1面および組織に面する第2面を有する流体透過性基板部材であって、前記多孔質部材の前記組織に面する第2面が、前記流体透過性基板部材の前記第1面に近接し、前記流体透過性基板部材の前記組織に面する第2面が表面積Asを有する、流体透過性基板部材、および
第1面および組織に面する第2面を有する組織固定要素であって、前記組織固定要素の前記第1面が、前記流体透過性基板部材の前記組織に面する第2面に結合され、前記組織固定要素の前記組織に面する第2面が表面積Atを有し、0.05As<At<0.7Asである、組織固定要素
を備える分配マニホールドと、
前記分配マニホールドの上に配置されて前記分配マニホールドを収容する封止空間を生成する封止部材と、
前記封止空間に減圧を提供する、前記封止空間に流体結合された減圧源と、
前記減圧源からの減圧の影響下で、患者から流体を受け取る、分配マニホールドに流体結合された液体容器と、
を具備することを特徴とするシステム。 - 請求項1に記載のシステムにおいて、前記分配マニホールドが、第1面および組織に面する第2面を有するリリースライナをさらに備え、保管状態で、前記リリースライナの前記第1面が、前記組織固定要素の前記組織に面する第2面に取外し可能に結合されることを特徴とするシステム。
- 請求項1に記載のシステムにおいて、0.10As<At<0.5Asであることを特徴とするシステム。
- 請求項1に記載のシステムにおいて、0.20As<At<0.4Asであることを特徴とするシステム。
- 請求項1または2乃至4の何れか1項に記載のシステムにおいて、組織固定要素が、液体との接触の少なくとも1時間後に溶解する水溶性接着剤を含むことを特徴とするシステム。
- 請求項1または2乃至4の何れか1項に記載のシステムにおいて、組織固定要素が、液体と接触すると少なくとも10分間残る水溶性接着剤を含むことを特徴とするシステム。
- 請求項1または2乃至6の何れか1項に記載のシステムにおいて、組織固定要素が、水性液体との接触により活性化される接着剤を含むことを特徴とするシステム。
- 請求項1または2乃至4の何れか1項に記載のシステムにおいて、組織固定要素が、液体と接触すると少なくとも10分間残り、液体との接触の少なくとも3時間以内に実質的に溶解する、水溶性接着剤を含むことを特徴とするシステム。
- 請求項1または2乃至4の何れか1項に記載のシステムにおいて、組織固定要素が非水溶性接着剤を含むことを特徴とするシステム。
- 請求項1または1乃至9の何れか1項に記載のシステムにおいて、前記分配マニホールドが、湾曲面に適応するように前記分配マニホールドと塑性変形する、複数の可鍛性部材をさらに備えることを特徴とするシステム。
- 請求項1または1乃至10の何れか1項に記載のシステムにおいて、前記組織固定要素が、接着剤のパターン化分布を含み、前記パターンが、複数の同心円、複数の正方形、複数の三角形、複数の円形、複数の隔置されたラインおよび複数のダイヤモンドのうちの1つを含むことを特徴とするシステム。
- 請求項1または1乃至11の何れか1項に記載のシステムにおいて、前記流体透過性基板が織物層を含むことを特徴とするシステム。
- 請求項1または2乃至11の何れか1項に記載のシステムにおいて、前記流体透過性基板が不織層を含むことを特徴とするシステム。
- 請求項1または2乃至11の何れか1項に記載のシステムにおいて、前記流体透過性基板が有窓封止部材を含むことを特徴とするシステム。
- 請求項1または1乃至14の何れか1項に記載のシステムにおいて、前記多孔質部材が、前記第1面に形成された複数の切欠きをさらに備え、前記切欠きが相対的に高い曲げ可撓性を提供することを特徴とするシステム。
- 請求項1または1乃至15の何れか1項に記載のシステムにおいて、前記多孔質部材が、力をオフロードする複数の成形された縁をさらに備えることを特徴とするシステム。
- 請求項1または1乃至16の何れか1項に記載のシステムにおいて、前記多孔質部材が、矩形、正方形、三角形または円形のうちの1つを有するように成形されていることを特徴とするシステム。
- 減圧により患者の組織部位を治療する方法において、
分配マニホールドを、前記分配マニホールドの組織固定要素を使用して、前記分配マニホールドが前記組織部位に実質的に隣接したままであるように、前記組織部位に仮付けするステップであって、
前記分配マニホールドが、
減圧を分配し流体を受け取る多孔質部材であって、前記組織部位に面する表面積Apを有する多孔質部材、および
前記多孔質部材に結合された組織固定要素であって、前記組織部位に面する表面積Atを有し、0.05Ap<At<0.6Apである、組織固定要素
を備える、ステップと、
前記分配マニホールドを封止部材で覆って、前記分配マニホールドを収容する封止空間を形成するステップと、
前記封止空間に減圧を提供するステップと、
を含むことを特徴とする方法。 - 請求項18に記載の方法において、前記分配マニホールドが、組織固定要素を覆うリリースライナをさらに備え、前記リリースライナを取り除くステップをさらに含むことを特徴とする方法。
- 請求項18または19に記載の方法において、前記分配マニホールドを前記組織部位に仮付けする前記ステップが、前記組織固定要素を前記組織部位に接して配置することと、前記分配マニホールドが前記組織固定要素および前記組織部位のみによって吊るされるように、すべての外部支持体を取り除くこととを含むことを特徴とする方法。
- 請求項18または19乃至20の何れか1項に記載の方法において、前記分配マニホールドが、前記多孔質部材と前記組織固定要素との間に配置された流体透過性基板をさらに備えることを特徴とする方法。
- 請求項21に記載の方法において、前記流体透過性基板が織物層を含むことを特徴とする方法。
- 請求項21に記載の方法において、前記流体透過性基板が不織層を含むことを特徴とする方法。
- 請求項21に記載の方法において、前記流体透過性基板が有窓封止部材を含むことを特徴とする方法。
- 請求項18または19または20の何れか1項に記載の方法において、前記分配マニホールドが、前記多孔質部材の組織に面する面に隣接して配置された流体透過性基板をさらに備え、前記流体透過性基板が織物材料を含み、前記組織固定要素が、前記織物材料内に分散された複数の水活性化接着繊維を含むことを特徴とする方法。
- 請求項18または19または20の何れか1項に記載の方法において、前記分配マニホールドが、前記多孔質部材の組織に面する面に隣接して配置された流体透過性基板をさらに備え、前記流体透過性基板が織物材料を含み、前記組織固定要素が、前記織物材料内に分散された複数の高吸収繊維を含むことを特徴とする方法。
- 請求項18または19または20の何れか1項に記載の方法において、AtおよびApの比が、前記分配マニホールドが、外部支持なしに前記組織部位に接して保持されるように動作可能であり、かつ前記分配マニホールドが流体流を可能にするようなものであることを特徴とする方法。
- 請求項18に記載の方法において、0.1Ap<At<0.5Apであることを特徴とする方法。
- 請求項18に記載の方法において、0.15Ap<At<0.4Apであることを特徴とする方法。
- 請求項18または請求項19乃至29の何れか1項に記載の方法において、前記組織固定要素が、液体と接触して少なくとも10分間残り、液体との接触の少なくとも3時間以内に溶解する水溶性接着剤を含むことを特徴とする方法。
- 請求項18または請求項19乃至29の何れか1項に記載の方法において、前記組織固定要素が非水溶性接着剤を含むことを特徴とする方法。
- 請求項18または請求項19乃至29の何れか1項に記載の方法において、組織固定要素が、水性液体との接触により活性化される接着剤を含むことを特徴とする方法。
- 請求項18または請求項19乃至32の何れか1項に記載の方法において、前記分配マニホールドが、湾曲面に適応するために前記分配マニホールドとともに塑性変形する、複数の可鍛性部材をさらに備えることを特徴とする方法。
- 請求項18または請求項19乃至29の何れか1項に記載の方法において、前記組織固定要素が、接着剤のパターン化分布を含み、前記パターンが、複数の同心円、複数の正方形、複数の三角形、複数の円形、複数の隔置されたラインおよび複数のダイヤモンドのうちの1つを含むことを特徴とする方法。
- 請求項18または請求項19乃至34の何れか1項に記載の方法において、前記多孔質部材が、前記第1面に形成された複数の切欠きをさらに備え、前記切欠きが相対的に高い曲げ可撓性を提供することを特徴とする方法。
- 請求項18または請求項19乃至34の何れか1項に記載の方法において、前記多孔質部材が、力をオフロードする成形された複数の縁をさらに備えることを特徴とする方法。
- 請求項18または請求項19乃至34の何れか1項に記載の方法において、前記多孔質部材が、矩形、正方形、三角形または円形のうちの1つを有するように成形されることを特徴とする方法。
- 減圧により患者の組織部位を治療する方法において、
仮付けユニットを提供するステップと、
多孔質部材を備える分配マニホールドを提供するステップと、
前記仮付けユニットを前記組織部位に接して配置するステップと、
前記分配マニホールドを前記仮付けユニットに接して、前記分配マニホールドが、前記仮止めユニットおよび前記組織部位以外の外部支持なしに前記組織部位に隣接したままであるように配置するステップと、
前記分配マニホールドを封止部材で覆って、前記分配マニホールドを収容する封止空間を生成するステップと、
前記分配マニホールドに減圧を提供するステップと、
を含むことを特徴とする方法。 - 患者の組織部位に減圧を提供する減圧システムで使用される分配マニホールドにおいて、
減圧を分配し流体を受け取る複数の流路を有する多孔質部材であって、第1面および組織に面する第2面を有する多孔質部材と、
第1面および組織に面する第2面を有する流体透過性基板部材であって、前記多孔質部材の前記組織に面する第2面が、前記流体透過性基板部材の前記第1面に近接し、前記流体透過性基板部材の前記組織に面する第2面が表面積Asを有する、流体透過性基板部材と、
第1面および組織に面する第2面を有する組織固定要素であって、前記組織固定要素の前記第1面が、前記流体透過性基板部材の前記組織に面する第2面に結合され、前記組織固定要素の前記組織に面する第2面が表面積Atを有し、0.05As<At<0.6Asである、組織固定要素と、
を具備することを特徴とする分配マニホールド。 - 患者の組織部位に減圧を提供する減圧システムで使用される分配マニホールドを製造する方法において、
減圧を分配し流体を受け取る複数の流路を有する多孔質部材を提供するステップであって、前記多孔質部材が第1面および組織に面する第2面を有する、ステップと、
第1面および組織に面する第2面を有する流体透過性基板部材を提供するステップであって、前記流体透過性基板部材の前記組織に面する第2面が表面積Asを有する、ステップと、
前記多孔質部材の前記組織に面する第2面を、前記流体透過性基板部材の前記第1面に結合するステップと、
第1面および組織に面する第2面を有する組織固定要素を提供するステップであって、前記組織固定要素の前記組織に面する第2面が表面積Atを有し、0.05As<At<0.6Asである、ステップと、
前記組織固定要素の前記第1面を、前記流体透過性基板部材の前記組織に面する第2面に結合するステップと、
を含むことを特徴とする方法。 - 請求項40に記載の方法において、第1面および組織に面する第2面を有するリリースライナを提供するステップと、前記リリースライナの前記第1面を、前記組織固定要素の前記組織に面する第2面に剥離可能に結合するステップとをさらに含むことを特徴とする方法。
- 請求項40に記載の方法において、0.10As<At<0.5Asであることを特徴とする方法。
- 請求項40に記載の方法において、0.20As<At<0.4Asであることを特徴とする方法。
- 請求項40または請求項41乃至43の何れか1項に記載の方法において、組織固定要素が、液体との接触の少なくとも1時間後に溶解する水溶性接着剤を含むことを特徴とする方法。
- 請求項40または請求項41乃至43の何れか1項に記載の方法において、組織固定要素が、液体と接触すると少なくとも10分間残る水溶性接着剤を含むことを特徴とする方法。
- 請求項40または請求項41乃至43の何れか1項に記載の方法において、組織固定要素が、水性液体との接触により活性化される接着剤を含むことを特徴とする方法。
- 請求項40または請求項41乃至43の何れか1項に記載の方法において、組織固定要素が、液体と接触すると少なくとも10分間残り、液体との接触の少なくとも3時間以内に実質的に溶解する、水溶性接着剤を含むことを特徴とする方法。
- 請求項40または請求項41乃至43の何れか1項に記載の方法において、組織固定要素が非水溶性接着剤を含むことを特徴とする方法。
- 請求項40または請求項41乃至48の何れか1項に記載の方法において、前記分配マニホールドを湾曲面に適応するように塑性変形させるために、前記分配マニホールドに複数の可鍛性部材を関連付けるステップをさらに含むことを特徴とする方法。
- 請求項40または請求項41乃至49の何れか1項に記載の方法において、前記組織固定要素が、接着剤のパターン化分布を含み、前記パターンが、複数の同心円、複数の正方形、複数の三角形、複数の円形、複数の隔置されたラインおよび複数のダイヤモンドのうちの1つを含むことを特徴とする方法。
- 請求項40または請求項41乃至50の何れか1項に記載の方法において、前記流体透過性基板が織物層を含むことを特徴とする方法。
- 請求項40または請求項41乃至50の何れか1項に記載の方法において、前記流体透過性基板が不織層を含むことを特徴とする方法。
- 請求項40または請求項41乃至50の何れか1項に記載の方法において、前記流体透過性基板が有窓封止部材を含むことを特徴とする方法。
- 請求項40または請求項41乃至53の何れか1項に記載の方法において、前記多孔質部材の前記第1面に複数の切欠きを形成するステップをさらに備え、前記切欠きが相対的に高い曲げ可撓性を提供することを特徴とする方法。
- 請求項40または請求項41乃至54の何れか1項に記載の方法において、前記多孔質部材が、力をオフロードする成形された複数の縁を備えることを特徴とする方法。
- 請求項40または請求項41乃至55の何れか1項に記載の方法において、前記多孔質部材が、矩形、正方形、三角形または円形のうちの1つを有するように成形されていることを特徴とする方法。
- 減圧により患者の組織部位を治療する方法において、
前記患者を、前記患者が治療中の大部分の時間ありつづける姿勢である主流となる姿勢に配置するステップと、
組織固定要素を用いて、前記患者が前記主流となる姿勢であり続ける間に、前記組織部位に多孔質部材を仮付けするステップであって、前記主流となる姿勢で、前記組織部位が重力場に対して実質的に平行である、ステップと、
前記多孔質部材を封止部材で覆って封止空間を形成するステップと、
前記封止空間に減圧を提供するステップと、
を含むことを特徴とする方法。 - 本明細書に図示するかまたは記載した装置、システムおよび方法。
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