JP2022535822A - 病原体を破壊して封じ込めるための方法およびデバイス - Google Patents
病原体を破壊して封じ込めるための方法およびデバイス Download PDFInfo
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Abstract
Description
本出願は、2019年6月3日出願の米国仮特許出願第62/856,676号の利益を主張するものであり、その内容はその全体が本明細書に組み込まれる。
本明細書において言及されたすべての刊行物、特許および特許出願は、各個々の刊行物、特許または特許出願が、参照により組み込まれると具体的かつ個別に示されている場合と同様に、参照により本明細書に組み込まれる。
本明細書および添付の特許請求の範囲で使用する場合、単数形「a」、「an」および「the」は、その内容に別段の明確な指示がない限り、複数の指示対象を含む。したがって、例えば、「方法」への言及は、1つまたは複数の方法、および/または本開示などを読むと当業者に明らかになる本明細書に記載のタイプの工程を含む。
いくつかの実施形態では、剛毛、モノフィラメント、または創面切除繊維は、創面切除作用に耐え、創傷上の不要な組織を緩めるかまたは除去するのに役立つテクスチャード加工繊維またはフィラメントである。いくつかの実施形態では、剛毛またはモノフィラメントは、ナイロン、アセタール、ポリプロピレン、アクリル、ポリ塩化ビニル(PVC)、ポリカーボネート、シリコーン、ウール、またはそれらの任意の組み合わせを含む。
いくつかの実施形態では、本明細書に開示される創面切除デバイスは、創面切除スティックまたはスティックスワブデバイスを含む。いくつかの実施形態では、本明細書に開示される創面切除デバイスは、創面切除スワブを含む。いくつかの実施形態では、創面切除デバイスは、創面切除パッドまたは裏材付きのパッドを含み、ハンドル付きのパッドを含んでもよい。いくつかの実施形態では、本明細書に開示される創面切除デバイスは、ゲル形成繊維および剛毛またはモノフィラメントの層を含む。いくつかの実施形態では、ゲル形成繊維は、AQUACEL(登録商標)などのカルボキシメチルセルロースを含む。
感染に関連する分析物を検出するための任意のアッセイを使用することができる。感染に関連する分析物には、例えば、細菌、真菌、原生生物、またはウイルスなどの感染性生物の構造成分が含まれる。感染に関連する分析物には、感染に応答してアップレギュレートされるバイオマーカーも含まれる。このようなバイオマーカーは、感染に対する宿主の免疫応答に関連している場合がある。例示的なバイオマーカーには、リゾチーム、MPO、カテプシンG、エラスターゼ、カタラーゼ、リパーゼ、またはエステラーゼが含まれる。
本明細書で提供されるのは、創面切除および微生物/感染検出のための本明細書に記載のデバイスと組み合わせて使用することができる容器およびキットである。本開示は、本明細書に開示されるデバイスおよび方法、ならびに本明細書に開示されるそのような創面切除および微生物/感染検出デバイスおよび方法を含む容器およびキットを使用するように使用者(例えば、ヒト使用者)に指示することができる使用説明書をさらに提供する。
本実施例は、スティックの一端に創面切除デバイスを備えたスティックの形態の創面切除のためのデバイスを説明する。
[実施例2]
本実施例は、創面切除パッド200の形態の創面切除デバイスを説明する。
[実施例3]
本実施例は、創面切除パッドハンドルおよび支持層を説明する。
[実施例4]
本実施例は、創面切除デバイスと創傷の感染を検出する能力との組み合わせを説明する。
[実施例5]
本実施例は、感染検出のための診断ユニット402と共に使用するためのウィッキングガイド機構500を説明する。
[実施例6]
本実施例は、インジケータ、試薬、および診断ユニット600、602の種々の配置を示す。
[実施例7]
本実施例は、バイオフィルムを分解し、破壊されたバイオフィルム、関連する微生物、および他の創傷破片を吸収するための織物材料を説明する。
[実施例8]
本実施例は、1つまたは複数の発泡体を含む創面切除のためのデバイスを説明する。
Claims (20)
- 創傷の創面切除のための創傷接触層を有する創面切除デバイスであって、
ゲル形成繊維の層と、
前記ゲル形成繊維と接触している複数の剛毛と、
を含む、創面切除デバイス。 - 前記複数の剛毛が、モノフィラメントまたは繊維の束を含む、請求項1に記載のデバイス。
- 前記複数の剛毛が、ナイロン、アセタール、ポリプロピレン、アクリル、ポリ塩化ビニル(PVC)、ポリカーボネート、シリコーン、ウール、またはそれらの任意の組み合わせを含む、請求項2に記載のデバイス。
- 前記複数の剛毛が、前記創傷接触層に対し垂直に配置されたフィラメントを含む、請求項1に記載のデバイス。
- ゲル形成繊維の前記層が、織りまたは編物である、請求項1に記載のデバイス。
- ゲル形成繊維の前記層が、少なくとも10g/gの吸収性を有し、吸収時に流体の横方向の広がりに抵抗する、請求項1に記載のデバイス。
- ゲル形成繊維の前記層が、セルロース単位あたり少なくとも0.05のカルボキシメチル基の置換度を有するカルボキシメチルセルロースナトリウムを含む、請求項1に記載のデバイス。
- 抗バイオフィルム剤、金属キレート剤、界面活性剤、またはそれらの任意の組み合わせをさらに含む、請求項1に記載のデバイス。
- ゲル形成繊維の前記層と接触する1つまたは複数の支持層をさらに含み、前記支持層は、発泡体、織物、混合織物、紙、ポリマー、プラスチック、またはそれらの任意の組み合わせを含む、請求項1に記載のデバイス。
- 滑り止め材料を有する裏材を形成する支持層をさらに含む、請求項9に記載のデバイス。
- ゲル形成繊維の前記層と流体連通している診断ユニットをさらに含み、前記診断ユニットは、酵素に基づくアッセイまたは電子センサのうちの少なくとも1つを含む、請求項1に記載のデバイス。
- 前記診断ユニットが、
a)微生物感染を示す標的酵素と相互作用するように構成された1つまたは複数の試薬を含む反応層であって、前記試薬は固相に付着しており、
b)各試薬は、不浸透性セパレータで分離された試薬領域にスプレー、印刷、または堆積されており;
c)各試薬領域は、色、色の変化、または他の検出可能なシグナルが観察されるレポーター領域を含む、反応層と;
d)前記レポーター領域の前記シグナルを視覚化するためのウィンドウを含む透明なカバーと、を含む、1つまたは複数の診断ディスクを含む、請求項11に記載のデバイス。 - 前記流体連通が、親水性繊維、ゲル化繊維、または濾紙を含む1つまたは複数のウィッキング材料を含む、請求項11に記載のデバイス。
- 前記デバイスの非創傷接触面に取り付けられたハンドルをさらに含む、請求項1に記載のデバイス。
- 創傷感染を検出する方法であって、
ゲル形成繊維の層と、前記ゲル形成繊維と接触している複数の剛毛とを含む創傷の創面切除のための創傷接触層を有する創面切除デバイスを提供すること、
前記創面切除デバイスを使用して創傷を創面切除すること、
前記創面切除デバイスから創傷組織のサンプルを抽出すること、および
診断アッセイを使用して微生物感染の存在について前記サンプルを分析すること、
を含む、方法。 - 前記抽出および分析工程はウィッキング材料を利用して前記創面切除デバイスと流体連通する1つまたは複数の診断ディスクを利用することを含み、前記診断ディスクは、1つまたは複数の試薬が、前記分析工程の一部として、色、色の変化、または他の検出可能なシグナルが観察されるレポーター領域と合わさっている、微生物感染を示す標的酵素と相互作用するように構成されている各試薬を含む反応層を含む、請求項15に記載の方法。
- 前記診断アッセイに従って、抗菌剤を含む創傷包帯を適用することをさらに含む、請求項15に記載の方法。
- 創傷の創面切除のためのキットであって、
創傷の創面切除のための創傷接触層を有する創面切除デバイスと;
抗菌剤、抗バイオフィルム剤、金属キレート剤、または界面活性剤のうちの1つまたは複数を含む、前記創傷の創面切除を補助するための溶液;と
抗菌性および抗バイオフィルム組成物の少なくとも1つを含む処置剤と、
を含む、キット。 - 前記創面切除デバイスと流体連通している診断ユニットであって、前記診断ユニットは、前記創傷の感染を示すための酵素に基づくアッセイ、電子センサ、または1つまたは複数の試薬、のうちの少なくとも1つを含む、診断ユニットをさらに含む、請求項18に記載のキット。
- さらに、前記創傷接触層が1つまたは複数の発泡体を含む、請求項18に記載のキット。
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US20100217357A1 (en) * | 2008-10-31 | 2010-08-26 | Da Silva Luiz B | Methods and Apparatus for Personal Care |
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US9592280B2 (en) * | 2014-10-10 | 2017-03-14 | Rochal Industries Llc | Compositions and kits for enzymatic debridement and methods of using the same |
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