JP2014000448A - 連続した繊維の創傷包帯 - Google Patents
連続した繊維の創傷包帯 Download PDFInfo
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- JP2014000448A JP2014000448A JP2013176328A JP2013176328A JP2014000448A JP 2014000448 A JP2014000448 A JP 2014000448A JP 2013176328 A JP2013176328 A JP 2013176328A JP 2013176328 A JP2013176328 A JP 2013176328A JP 2014000448 A JP2014000448 A JP 2014000448A
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Abstract
【解決手段】それぞれが少なくとも2インチの長さを有する複数の繊維102を含む創傷包帯を創傷内に組み込んで、創傷の壁を分離したままにし、創傷が内側から外側に向かって治癒すること、および滲出物を除去することを含む創傷を処置するための方法。本開示の別の態様によると、創傷包帯装置は、創傷の治癒を促進するように構成され、NWPTシステムと共に使用され得る。この装置は、創傷の周りに実質的に流体を密封するシールを形成することによって陰圧が維持され得る貯留部を創傷の上に画定する創傷カバー、貯留部に流体連通した、創傷の治癒を刺激するために貯留部に適切な陰圧を加えるのに適した真空源、および創傷と創傷カバーとの間に配置されるパッキング構造体を備える。
【選択図】図2
Description
本出願は、Heagleにより2008年8月8日に出願された米国仮特許出願第61/188,370号、Corleyにより2008年9月11日に出願された同第61/096,105号、およびWatsonにより2009年1月26日に出願された同第61/147,179号に対する優先権、およびこれらの出願の利益を主張する。これらの出願のそれぞれの全内容は、本明細書中に参照として援用される。
1.技術分野
本開示は、一般に、創傷包帯(wound dressing)に関し、詳細には、急性および慢性創傷の処置において創傷流体を受け取りかつ保持するための連続した長い繊維の集合体またはトウを含む創傷包帯に関する。
創傷包帯は、一般に、創傷を保護し治癒を促進するために創傷の上に配置される。褥瘡、潰瘍、および火傷などの滲出創傷の場合、創傷滲出物が産生された時に創傷滲出物を受け取る、保持する、または輸送するためのパッキングまたは充填材を有する包帯を提供することが一般的である。滲出物は、創傷充填材のウィッキング特性によって少なくとも部分的に創傷床から輸送され得る。したがって、創傷充填材は、創傷床から潜在的に有害な細菌を除去することによって治癒を促進すると共に、過度の湿潤環境によって引き起こされ得る周囲皮膚の損傷を防止する。
(項目1)
創傷を処置するための方法であって、
(a)それぞれが少なくとも2インチの長さを有する複数の繊維を含む創傷包帯を用意するステップと、
(b)前記創傷包帯を、処置すべき前記創傷の壁を離隔して維持するのに十分な量で、前記創傷内に組み込み、これにより前記創傷のその内側から外側への治癒を可能にするステップと、
(c)前記創傷からの滲出物を除去するステップと、を含む、方法。
(項目2)
前記繊維が、交絡、混合、ヤーンでの巻き付け、熱結合、超音波処置、高周波(RF)結合、接着、結束、またはこれらの組合せからなる群から選択される少なくとも1つの技術によって集合させられる、項目1に記載の方法。
(項目3)
前記繊維が、前記創傷滲出物に対して吸収性または非吸収性である、項目1に記載の方法。
(項目4)
前記繊維が、その体積を増加させるために処置される、項目1に記載の方法。
(項目5)
前記繊維が、そのウィッキング能力を向上させるために処置される、項目1に記載の方法。
(項目6)
前記繊維が捲縮される、項目1に記載の方法。
(項目7)
前記繊維がバルキー性である、項目1に記載の方法。
(項目8)
前記繊維が、前記創傷の治癒を促進する剤と組み合わせられる、または前記剤で処置される、項目1に記載の方法。
(項目9)
前記剤が、抗菌剤、薬剤、創傷清拭剤、またはこれらの組合せからなる群から選択される、項目8に記載の方法。
(項目10)
前記剤が、抗菌金属イオン、クロルヘキシジン、クロルヘキシジン塩、トリクロサン、ポリモキシン、テトラサイクリン、アミノグリコシド、リファンピシン、バシトラシン、エリスロマイシン、ネオマイシン、クロラムフェニコール、ミコナゾール、キノロン、ペニシリン、ノノキシノール9、フシジン酸、セファロスポリン、ムピロシン、メトロニダゾール、セクロピン、プロテグリン、バクテリオルシン、デフェンシン、ニトロフラゾン、マフェナイド、アシクロビル、バノクマイシン、クリンダマイシン、リンコマイシン、スルホンアミド、ノルフロキサシン、ペフロキサシン、ナリジディック酸、シュウ酸、エノキサシン酸、シプロフロキサシン、ポリヘキサメチレンビグアナイド(PHMB)、PHMB誘導体、生分解性ビグアナイド、ポリエチレンヘキサメチレンビグアナイド(PEHMB)、グルコン酸クロルヘキシジン、塩酸クロルヘキシジン、エチレンジアミン四酢酸(EDTA)、ジナトリウムEDTA、テトラナトリウムEDTA、およびこれらの組合せからなる群から選択される抗菌剤である、項目9に記載の方法。
(項目11)
前記剤が、ポリエチレンヘキサメチレンビグアナイド(PEHMB)、ポリヘキサメチレンビグアナイド(PHMB)、ポリエチレンヘキサメチレンビグアナイドの誘導体、クロルヘキシジン塩、およびこれらの混合物からなる群から選択される抗菌剤である、項目9に記載方法。
(項目12)
各繊維が、少なくとも4インチの長さを有する、項目1に記載の方法。
(項目13)
前記繊維が、繊維当たり約3〜約25のデニールを有する、項目1に記載の方法。
(項目14)
前記処置すべき創傷内に組み込まれる前記創傷包帯の量が、前記創傷の容積に対して約25%から、前記創傷の前記容積を超える量までである、項目1に記載の方法。
(項目15)
前記処置すべき創傷内に組み込まれる前記創傷包帯の量が、前記創傷の容積に対して約50%〜約100%である、項目14に記載の方法。
(項目16)
前記創傷内に組み込まれる前記創傷包帯の量が、前記創傷の容積に等しい、項目1に記載の方法。
(項目17)
前記処置すべき創傷内に組み込まれる前記創傷包帯が、前記創傷の壁に対して圧力を加える、項目1に記載の方法。
(項目18)
前記滲出物が、真空によって前記創傷から除去される、項目1に記載の方法。
(項目19)
前記繊維が、前記創傷滲出物に対して非吸収性であり、前記創傷滲出物が、真空法によって除去される、項目1に記載の方法。
(項目20)
前記真空法が、陰圧創傷治療である、項目19に記載の方法。
(項目21)
前記繊維が、前記創傷滲出物に対して吸収性であり、前記創傷滲出物が、前記創傷から吸収された創傷滲出物を含む前記創傷包帯を除去することによって除去される、項目1に記載の方法。
(項目22)
各繊維が、少なくとも約6インチの長さを有する、項目1に記載の方法。
(項目23)
各繊維が、少なくとも約8インチの長さを有する、項目1に記載の方法。
(項目24)
滲出創傷の治癒を促進するための装置であって、
前記創傷の周りに実質的に流体を密封するシールを形成することによって陰圧が維持され得る貯留部を前記創傷の上に画定する創傷カバーと、
前記貯留部に流体連通した真空源であって、前記創傷の治癒を刺激するために前記貯留部に適切な陰圧を加えるのに適している、真空源と、
前記創傷と前記創傷カバーとの間に配置されるパッキング構造体であって、接触材のシースによって実質的に取り囲まれた充填材のコアを備え、前記充填材が、創傷流体を受け取るように適合され、前記接触材が、前記創傷に直接接触して配置するように適合され、そして創傷流体の通過を可能にするために透過性である、パッキング構造体と、を含む、装置。
(項目25)
前記パッキング構造体が、細長いチューブを画定する、項目24に記載の装置。
(項目26)
前記パッキング構造体が、前記パッキング構造体を分割するように適合された長手方向に離隔した複数の分離機構をさらに含み、近接する分離機構が、それらの間にポッドを画定する、項目25に記載の装置。
(項目27)
前記ポッドのそれぞれが、前記接触材のシースが前記ポッドの相反する横縁に沿って延在するように密閉される、項目26に記載の装置。
(項目28)
前記分離機構が、前記パッキング構造体を横断して横方向に延在する穿孔された切り離し線を備える、項目26に記載の装置。
(項目29)
近接する分離機構が、前記パッキング機構の幅の約50%〜約300%の距離離隔している、項目26に記載の装置。
(項目30)
接触材が、方向性開口フィルムを含む、項目24に記載の装置。
(項目31)
前記シースが、前記方向性開口フィルムの上側シートと下側シートとの間に前記充填材を封入するために周囲にシールを有する前記上側シートおよび前記下側シートを備え、前記上側シートおよび前記下側シートのそれぞれは、前記方向性開口フィルムの雄側が前記パッキング構造体への滲出物の流れを促進するように前記パッキング構造体の内側に向けられている、項目30に記載の装置。
(項目32)
前記パッキング構造体が、接触材の上側シートと下側シートとの間に前記充填材を封入するために周囲にシールを有する前記上側シートおよび前記下側シートを備え、前記上側シートおよび前記下側シートの一方は、前記方向性開口フィルムの雄側が前記パッキング構造体の内側に向けられ、前記上側シートおよび前記下側シートの他方は、前記方向性開口フィルムの雄側が前記パッキング構造体の外側に向けられている、項目30に記載の装置。
(項目33)
前記充填材が、前記創傷流体を移送するように適合されたポリプロピレントウを含む、項目30に記載の装置。
(項目34)
前記パッキング構造体が、接触材の上側シートと下側シートとの間に前記充填材を封入するために周囲にシールを有する前記上側シートおよび前記下側シートを備える、項目24に記載の装置。
(項目35)
前記パッキング構造体が、その円周方向部に向かっていく少なくとも1つの環状型ポッドによって取り囲まれた中心ポッドを画定するために少なくとも1つの内側シールをさらに備えており、前記少なくとも1つの内側シールに分離機構が設けられている、項目34に記載の装置。
(項目36)
前記少なくとも1つの内側シールが、前記パッキング構造体の前記円周方向部に向かって漸進的に大きくなる複数の環状型ポッドを画定する概ね同心円状の複数のシールを備える、項目35に記載の装置。
(項目37)
前記充填材が、接触材の前記上側シートおよび前記下側シートの1つに近接したフォーム層、および前記フォーム層に近接したトウ層を備える、項目34に記載の装置。
(項目38)
フォーム層が、前記トウ層の各側に配置されている、項目37に記載の装置。
(項目39)
創傷流体の前記パッキング構造体を通る流れを促進するために前記フォーム層に孔が形成されている、項目38に記載の装置。
(項目40)
創傷に使用するための創傷包帯であって、
創傷流体を受け取るように適合された充填材のコアと、
前記コアを実質的に取り囲んでいる接触材のシースであって、前記接触材が、前記創傷に直接接触して配置されるように適合され、前記シースが、前記創傷流体の前記コアへの通路を可能にするために透過性である、接触材のシースと、
前記創傷包帯を分割するように適合された長手方向に離隔した複数の分離機構であって、近接する分離機構が、それらの間にポッドを画定している、複数の分離機構と、を含む、創傷包帯。
(項目41)
複数のポッドが、2次元アレイを画定するために配置されている、項目40に記載の創傷包帯。
(項目42)
前記充填材が、ポリプロピレントウを備え、前記接触材のシースが、方向性開口フィルムを備える、項目40に記載の創傷包帯。
(項目43)
創傷に使用するための創傷包帯であって、
ポリプロピレントウを含む充填材のコアと、
前記コアを実質的に取り囲んでいる接触材のシースであって、方向性開口フィルムを含む、接触材のシースと、
前記接触材のシース内に前記コアを封入する、前記接触材のシースの周囲のシールと、を含む、創傷包帯。
(項目44)
陰圧創傷治療装置であって、
創傷の周りに実質的に流体を密閉するシールを形成することによって陰圧が維持され得る貯留部を前記創傷の上に画定する創傷包帯と、
前記貯留部に流体連通した真空源であって、前記創傷の治癒を刺激するのを助けるために前記貯留部に適切な陰圧を加えるのに適した、真空源と、
前記創傷包帯内に配置された創傷充填材マトリックスであって、長手方向軸に沿った長さを画定し、かつ前記長手方向軸を横断する複数のループセグメントに構成された少なくとも1つの連続繊維を含み、前記長手方向軸に沿って延在し、かつ少なくとも一部の前記ループセグメントに連結された連結セグメントを備える、創傷充填材マトリックスと、を含む、陰圧創傷治療装置。
(項目45)
前記連結セグメントが、各ループセグメントに連結されている、項目44に記載の装置。
(項目46)
前記連結セグメントが、前記創傷充填材マトリックスのセグメントを提供するために切断されるように適合されている、項目44に記載の装置。
(項目47)
前記連結セグメントが、前記少なくとも1つの連続繊維を長手方向に越えて延在するハンドルセグメントを画定する寸法である、項目44に記載の装置。
(項目48)
前記連結セグメントおよび前記少なくとも1つの連続繊維が異なる材料を含む、項目44に記載の装置。
(項目49)
前記少なくとも1つの連続繊維がマルチフィラメントを含む、項目44に記載の装置。
(項目50)
前記創傷充填材マトリックスの前記少なくとも1つの連続繊維が非吸収性である、項目44に記載の装置。
(項目51)
前記マトリックスの前記少なくとも1つの連続繊維が添加剤を含む、項目44に記載の装置。
(項目52)
創傷包帯装置であって、
創傷の上に微生物障壁を提供するために前記創傷を覆うように適合されたカバー層と、
創傷流体を受け取りかつ保持するための吸収マトリックスであって、連結セグメントを連続繊維に通して前記連続繊維を複数のループセグメントに集合させることによって構成されたトウに配置された前記連続繊維を含む、吸収マトリックスと、を含む、創傷包帯装置。
要旨
本開示の一態様によると、創傷を処置するための方法は、それぞれが少なくとも2インチの長さを有する複数の繊維を含む創傷包帯を使用することを含む。この方法では、創傷包帯を創傷に組み込んで創傷の側面同士を離隔させたままにし、創傷滲出物を除去する。
本開示は、それぞれが少なくとも2インチ、一実施形態では、少なくとも4インチ、他の実施形態では、少なくとも6インチ、および少なくとも8インチの長さを有する複数の繊維を含む創傷包帯を使用する創傷の処置に関する。この処置方法では、創傷の中に創傷包帯を組み込んで創傷の両側を離隔させたままにし、創傷滲出物を除去する。
(a)それぞれが少なくとも2インチ、一実施形態では、少なくとも4インチ、他の実施形態では、少なくとも6インチ、および少なくとも8インチの長さを有する複数の繊維を含む創傷包帯を用意すること、
(b)創傷包帯を、創傷の壁を離隔して維持するのに十分な量で、処置すべき創傷に組み込んで、創傷のその内側から外側への治癒を可能にすること、および
(c)創傷からの滲出物を除去すること。
によって包帯アセンブリ202から創傷流体が除去され得るように創傷流体を容易に放出し得る。フォーム層262Fは、パッキング構造体260における潜在的に痛みを与える圧力点が管理され、創傷「w」の周辺部が内側に向かって均等に引き込まれ得るようにNWPT処置の排出サイクルの際に均一な圧力を有する。フォーム層262Fは、創傷床に対するクッションとなるように、図10Aに示されているようにシース264の下側シート264Lに近接して配置され得る。代替の構造体は、パッキング構造体270を含み、パッキング構造体270は、トウ層272Tの各側にフォーム層272Fを有する充填材272を含み得る。パッキング構造体280も、トウ層282Tの各側にフォーム層282を有する充填材282を含む。滲出物のパッキング構造体280を通る流れを促進するために、孔282Hが各フォーム層282に形成されている。
)構造に配置され、連結セグメント305によって取り付けられ得る。
Claims (1)
- 本願明細書に記載された発明。
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JP2015062699A (ja) | 2015-04-09 |
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CA2731427C (en) | 2020-01-28 |
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AU2009279525B2 (en) | 2015-04-09 |
DK2309961T3 (en) | 2018-03-12 |
AU2009279525A1 (en) | 2010-02-11 |
CA2731427A1 (en) | 2010-02-11 |
JP2017094111A (ja) | 2017-06-01 |
US20140323997A1 (en) | 2014-10-30 |
US20100036334A1 (en) | 2010-02-11 |
JP6151238B2 (ja) | 2017-06-21 |
NO2309961T3 (ja) | 2018-05-05 |
EP2309961A4 (en) | 2013-07-31 |
US9474654B2 (en) | 2016-10-25 |
JP5902651B2 (ja) | 2016-04-13 |
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