JP2015128625A - 局所陰圧閉鎖療法を使用して腹部開放創を管理するためのシステムおよび方法 - Google Patents
局所陰圧閉鎖療法を使用して腹部開放創を管理するためのシステムおよび方法 Download PDFInfo
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Abstract
【解決手段】陰圧を使用した創傷の治療を対象とし、その実施形態は、フォームパッド103を提供し、このフォームパッドは、腹部創傷部位110での使用に適してよく、寸法と無関係な形で、ある大きさに設定されうる。追加の実施形態は、創傷接触層105、ならびに腹部創傷の治療のためのシステムを提供する。
【選択図】図1
Description
他の実施形態は、創傷部位と接触して設置されるべき創傷接触層も提供し、この創傷接触層は、好ましくは、創傷部位への付着を最小限とするかまたはこれに付着せず、創傷滲出液または流体の除去および創傷部位への陰圧の印加のためにスリットまたはその他の開口を備える。
典型的には、このような大きさの設定は、手動で、たとえばハサミを使用して実行できるが、このような方法では、忙しい手術室では切断器具の操作が困難である、切れ目が凸凹で不正確である、および異物粒子が落ちて創傷部位に入る可能性があるなどの付随する欠点が生じる。その代わりに、パッド103上にあらかじめ作製された切れ目は、手で、または種々のブリッジ部分206、220、222に沿って最小限切断することによって分離可能である。
加えて、創傷接触層105のいくつかの実施形態には、微細穿孔が形成された(microperforated)創傷接触層が設けられうる。創傷接触層105(たとえば、図6、11、16、21、26、32、37、42、47、52に示されるような)の異なる実施形態は、生産の容易さなどの製造時の利点を与えることもできる。創傷接触層105の製造は、たとえばダイナイフもしくは打ち抜きナイフ(die−cutting knife)、回転式穿孔機、ウォータジェット、レーザ切断、または超音波による、スリットまたは穴の切削を必要とすることができる。
103 多孔質パッド、フォームパッド
105 創傷接触層
107 ドレープ
109 アパーチャ
110 創傷部位
112 導管
113 ポート
114 ポンプ、負圧源
115 貯蔵ユニット、容器
202 切れ目
204 切れ目
206 ブリッジ部分
208 切れ目
210 切れ目
212 パッド区画、分離可能な領域
214 パッド区画
216 分離可能な領域、区画
217 分離可能な領域
218 分離可能な領域、区画、分離可能な部分
220 ブリッジ部分
222 ブリッジ部分
Claims (17)
- 陰圧を使用した創傷の治療のための多孔質パッドであって、
創傷部位から創傷滲出液を流し、前記創傷部位に陰圧を導くのに適した多孔質材料と、
幅および長さより少ない厚さを有する略平坦な形状と、
前記パッドの前記厚さの少なくとも一部分を貫通する少なくとも1つの切れ目であって、寸法と無関係な形で前記パッドの大きさを変更し、前記パッドの長さと幅を互いに独立して変更可能することができるように前記パッドから分離可能なパッド区画を画定し、前記パッドの一部分を分離できる、切れ目と、
を備え、
少なくとも1つの前記切れ目が、ブリッジ部分によって隣接する切れ目から離隔されているパッド。 - 前記パッドが連続気泡網状フォームからなる、請求項1に記載のパッド。
- 前記パッドがポリウレタンフォームからなる、請求項1または2に記載のパッド。
- 前記パッドが、前記パッド長さに沿って延びる少なくとも2つの弧状の切れ目と、前記パッド幅に沿って延びる少なくとも2つの弧状の切れ目と、を備える、請求項1から3のいずれか一項に記載のパッド。
- 楕円形形状を有する複数の外側の切れ目と、類似の楕円形形状を有する複数の内側の切れ目とを備える、請求項1から4のいずれかに記載のパッド。
- 前記外側の切れ目と前記内側の切れ目の間に複数の中間の切れ目をさらに備え、前記中間の切れ目のうちの少なくともいくつかが前記パッド全体に略長手方向に延び、前記中間の切れ目のうちの少なくともいくつかが前記パッド全体にわたって略横方向に延びる、請求項1から5のいずれか一項に記載のパッド。
- 陰圧を使用した創傷部位の治療のためのシステムであって、
創傷滲出液を流し、かつ陰圧を分布させるための1つまたは複数の開口が設けられた創傷接触層と、
創傷部位への陰圧の伝達に適し、その幅および長さより少ない厚さを備える略平坦な多孔質パッドであって、寸法と無関係な形で前記パッドの大きさを設定し、前記パッドの前記長さと前記幅を互いに独立して変更することができるようにする目的で前記パッドから分離可能なパッド区画を画定するために前記パッドの前記厚さの少なくとも一部分を貫通する少なくとも1つの切れ目をさらに備える、略平坦な多孔質パッドと、
前記多孔質パッドの上に設置されるように構成された可撓性ドレープと、
負圧源と、
前記源から前記可撓性ドレープに陰圧を伝達するように構成された導管と、
を備え、
少なくとも1つの前記切れ目が、ブリッジ部分によって隣接する切れ目から離隔されているシステム。 - 前記創傷接触層が、前記創傷部位への付着が最小限となる材料から構築される、請求項7に記載のシステム。
- 前記創傷接触層がポリウレタンからなる、請求項7または8に記載のシステム。
- 前記多孔質パッドが、前記パッド長さに沿って延びる少なくとも2つの弧状の切れ目と、前記パッド幅に沿って延びる少なくとも2つの弧状の切れ目とを備える、請求項7から9のいずれか一項に記載のシステム。
- 前記多孔質パッドが多孔質ポリウレタンフォームからなる、請求項7から10のいずれか一項に記載のシステム。
- 前記ドレープおよび前記導管内に形成されたアパーチャに付着可能なポートをさらに備える、請求項7から11のいずれか一項に記載のシステム。
- 陰圧を使用して非ヒト動物の創傷部位を治療する方法であって、
前記創傷部位上に創傷接触層を設置する段階と、
前記創傷接触層の上に多孔質パッドを設置する段階であって、前記多孔質パッドが、寸法と無関係な形で前記多孔質パッドの一部分の除去を可能にし、前記パッドの長さと幅を互いに独立して変更することができるように配置された複数の切れ目を備え、前記多孔質パッドを設置する段階が、前記創傷部位内に収まるように前記多孔質パッドの大きさを設定するために前記切れ目の少なくとも1つに沿って前記多孔質パッドの一部分を取り外す段階を含む、段階と、
前記創傷の上に位置付けられ、かつ前記創傷を取り囲む皮膚に封止するように構成された可撓性ドレープを用いて前記創傷部位を封止する段階と、
前記創傷部位に負圧源を接続する段階であって、前記負圧源が、前記ドレープと前記負圧源の間に流体的に接続された導管を介して接続される、段階と、
前記創傷部位が所望の治癒レベルに達するまで、前記創傷部位への陰圧の印加が維持される段階と、
を含み、
少なくとも1つの前記切れ目が、ブリッジ部分によって隣接する切れ目から離隔されている治療。 - 前記創傷から除去された創傷滲出液およびその他の流体を容器に貯蔵する段階をさらに含む、請求項13に記載の方法。
- 前記ドレープ内のアパーチャに装着されたポートを介して前記ドレープに前記導管を接続する段階をさらに含む、請求項13または14に記載の方法。
- 前記創傷接触層を腹部創傷部位上に設置する段階を含む、請求項13から15のいずれか一項に記載の方法。
- 前記多孔質パッドを設置する段階が、前記多孔質パッド上に楕円形パターンをなして形成された複数の弧状の切れ目のうちの少なくとも1つに沿って前記多孔質パッドの一部分を取り外す段階を含む、請求項13から16のいずれか一項に記載の方法。
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