JP2017136458A - 体表に減圧を送達する装置 - Google Patents
体表に減圧を送達する装置 Download PDFInfo
- Publication number
- JP2017136458A JP2017136458A JP2017098446A JP2017098446A JP2017136458A JP 2017136458 A JP2017136458 A JP 2017136458A JP 2017098446 A JP2017098446 A JP 2017098446A JP 2017098446 A JP2017098446 A JP 2017098446A JP 2017136458 A JP2017136458 A JP 2017136458A
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- Prior art keywords
- dressing
- reduced pressure
- item
- port
- wound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/10—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in inductance, i.e. electric circuits therefor
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- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
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Abstract
Description
本願は、米国仮特許出願第61/117,921号(2008年11月25日出願)および米国仮特許出願第61/117,920号(2008年11月25日出願)への米国特許法第119条第(e)項の利益を主張し、これらの出願は、その全体が本明細書に参考として援用される。
レッシングシステムのプロファイルを最小化するように構成される。
を備えてもよい。第1の隆起構造は、分節隆起構造であってもよい。一部の実施例において、補強構造は、カバー構造内に埋設されてもよい。
本発明は、例えば、以下の項目も提供する。
(項目1)
減圧治療システムであって、
外縁と、上面と、下面と、少なくとも1つの開口部とを備えるカバー構造と、
該カバー構造の該下面に取り付けられた流動性接着剤層であって、該流動性接着剤層は、少なくとも約0.2mmの厚さを有する流動性接着剤層と、
電動でない自己生成真空源と
を備える、減圧治療システム。
(項目2)
前記真空源に取り付くように構成される配管をさらに備える、項目1に記載の減圧治療システム。
(項目3)
前記真空源は、前記カバー構造と一体的に形成される、項目1に記載の減圧治療システム。
(項目4)
前記カバー構造は、少なくとも該カバー構造の前記上面に取り付けられるポート部材を
さらに備える、項目2に記載の減圧治療システム。
(項目5)
前記流動性接着剤層は、吸湿性の流動性接着剤層を備える、項目1に記載の減圧治療システム。
(項目6)
前記接着剤層は、少なくとも900g/m2/日の吸水速度を有する、項目5に記載の減圧治療システム。
(項目7)
前記接着剤層は、少なくとも1000g/m2/日の吸水速度を有する、項目5に記載の減圧治療システム。
(項目8)
前記接着剤層は、少なくとも1100g/m2/日の吸水速度を有する、項目5に記載の減圧治療システム。
(項目9)
前記接着剤層は、少なくとも1200g/m2/日の吸水速度を有する、項目5に記載の減圧治療システム。
(項目10)
前記流動性接着剤層は、少なくとも約0.3mmの厚さを有する、項目1に記載の減圧治療システム。
(項目11)
前記流動性接着剤層は、少なくとも約0.5mmの厚さを有する、項目1に記載の減圧治療システム。
(項目12)
前記流動性接着剤層は、少なくとも約0.7mmの厚さを有する、項目1に記載の減圧治療システム。
(項目13)
前記流動性接着剤層は、少なくとも約1mmの厚さを有する、項目1に記載の減圧治療システム。
(項目14)
前記流動性接着剤層は、少なくとも約1.5mmの厚さを有する、項目1に記載の減圧治療システム。
(項目15)
前記流動性接着剤層は、約20,000センチポアズ乃至約50,000センチポアズの範囲内の粘度を有する、項目1に記載の減圧治療システム。
(項目16)
前記流動性接着剤層は、約10,000センチポアズ乃至約100,000センチポアズの範囲内の粘度を有する、項目1に記載の減圧治療システム。
(項目17)
減圧治療システムであって、
外縁と、上面と、下面と、少なくとも1つの開口部とを備えるカバー構造と、
該カバー構造の該上面に取り付けられ、該カバー構造の該少なくとも1つの開口部と連通している少なくとも1つのポート管腔を備えるポート部材と、
該カバー構造の該下面に取り付けられる親水コロイド層であって、該親水コロイド層は、少なくとも約0.2mmの厚さを有する親水コロイド層と
を備える、システム。
(項目18)
前記親水コロイド層は、前記カバー構造の前記外縁の付近に厚さ低減領域を備える、項目17に記載の減圧治療システム。
(項目19)
前記厚さ低減領域は、エンボス加工または圧縮領域を備える、項目18に記載の減圧治
療システム。
(項目20)
前記厚さ低減領域は、前記親水コロイド層の内部領域に対して増加した密度を備える、項目18に記載の減圧治療システム。
(項目21)
前記カバー構造上に視覚に訴える格子マーキングをさらに備える、項目17に記載の減圧治療システム。
(項目22)
前記ポート部材は、基部と、該基部に対して回転するように構成される本体とをさらに備える、項目17に記載の減圧治療システム。
(項目23)
前記ポート部材の前記基部は、前記カバー構造の前記上面に接着される、項目22に記載の減圧治療システム。
(項目24)
配管をさらに備え、前記配管は、外壁と、近位端と、遠位端と、その間の少なくとも1つの管腔と、縦管腔軸と、該縦管腔軸を横断する第1の寸法と、該第1の寸法および該縦管腔軸を横断する第2の寸法とを備える、項目17に記載の減圧治療システム。
(項目25)
前記配管は、前記ポート部材に取り付くように構成される、項目24に記載の減圧治療システム。
(項目26)
前記配管は、前記ポート部材と一体的に形成される、項目24に記載の減圧治療システム。
(項目27)
前記第1の寸法は、前記第2の寸法よりも大きいサイズである、項目24に記載の減圧治療システム。
(項目28)
前記第1の寸法は、前記第2の寸法の少なくとも2倍のサイズである、項目24に記載の減圧治療システム。
(項目29)
前記第1の寸法は、前記第2の寸法の少なくとも3倍のサイズである、項目24に記載の減圧治療システム。
(項目30)
前記第1の寸法は、前記第2の寸法の少なくとも4倍のサイズである、項目24に記載の減圧治療システム。
(項目31)
前記配管は、略平面の構成の複数の管腔を備える、項目24に記載の減圧治療システム。
(項目32)
前記少なくとも1つのポート管腔は、円形でない断面構成を有する、項目17に記載の減圧治療システム。
(項目33)
前記少なくとも1つのポート管腔は、少なくとも1つの管腔突起部を備える、項目32に記載の減圧治療システム。
(項目34)
前記少なくとも1つの管腔突起部は、複数の縦方向隆起を備える、項目33に記載の減圧治療システム。
(項目35)
前記配管は、該配管の少なくとも1つの管腔と外壁との間に連通を提供する、少なくとも1つの側方通路を備える、項目24に記載の減圧治療システム。
(項目36)
前記配管の外面に密封され、前記少なくとも1つの側方通路を覆う弾性構造をさらに備える、項目35に記載の減圧治療システム。
(項目37)
前記弾性構造は、スリーブ構造である、項目36に記載の減圧治療システム。
(項目38)
前記弾性構造は、内面によって構成され、該内面は、大気圧に暴露されると前記配管の前記外壁から第1の距離で離間され、減圧に暴露されると該第1の距離よりも短い第2の距離で離間される、項目37に記載の減圧治療システム。
(項目39)
前記ポート部材は、弾性材料を備える、項目17に記載の減圧治療システム。
(項目40)
前記弾性材料の少なくとも一部は、前記少なくとも1つのポート管腔内の内圧レベルが大気圧よりも少なくとも−50mmHg低いときに、該少なくとも1つのポート管腔の中へと変形するように構成される、項目39に記載の減圧治療システム。
(項目41)
前記カバー構造は、補強構造をさらに備える、項目17に記載の減圧治療システム。
(項目42)
前記補強構造は、前記カバー構造と一体的に形成される、項目41に記載の減圧治療システム。
(項目43)
前記補強構造は、前記カバー構造の前記上面にあり、前記ポート部材を包囲している第1の隆起構造を備える、項目42に記載の減圧治療システム。
(項目44)
前記第1の隆起構造を包囲する第2の隆起をさらに備える、項目43に記載の減圧治療システム。
(項目45)
前記第1の隆起構造は、分節隆起構造である、項目43に記載の減圧治療システム。
(項目46)
前記補強構造は、カバー構造内に埋設される、項目41に記載の減圧治療システム。
(項目47)
前記カバー構造は、カバー材料を備え、前記補強構造は、該カバー材料よりも増加したデュロメータを有する補強材料を備える、項目41に記載の減圧治療システム。
(項目48)
前記補強構造は、格子状の補強構造を備える、項目41に記載の減圧治療システム。
(項目49)
前記補強構造は、放射状のスポーク構造を備える、項目41に記載の減圧治療システム。
(項目50)
前記親水コロイド層の少なくとも一部に解放可能に接着される解放層をさらに備える、項目17に記載の減圧治療システム。
(項目51)
前記解放層は、前記親水コロイド層の中心部に解放可能に接着される、項目50に記載の減圧治療システム。
(項目52)
前記親水コロイド層の少なくとも周辺部に解放可能に接着され、該親水コロイド層と前記解放層との間に位置する少なくとも1つのハンドル層をさらに備える、項目51に記載の減圧治療システム。
(項目53)
前記カバー構造の前記上面に取外し可能に取り付けられる接着剤担体構造をさらに備え
る、項目50に記載の減圧治療システム。
(項目54)
前記接着剤担体構造は、第1の担体層と、第2の担体層と、その間の非直線の界面とを備える、項目53に記載の減圧治療システム。
(項目55)
前記接着剤担体構造は、前記ポート部材を包囲する中心開口部を備える、項目53に記載の減圧治療システム。
(項目56)
前記中心開口部は、前記ポート部材から離間している、項目55に記載の減圧治療システム。
(項目57)
前記中心開口部は、前記ポート部材から少なくとも1cm離間している、項目56に記載の減圧治療システム。
(項目58)
前記親水コロイド層は、前記カバー構造の内部領域付近よりも該カバー構造の前記外縁付近においてより大きいプローブ粘着力を有する、項目17に記載の減圧治療システム。(項目59)
前記親水コロイド層は、前記カバー構造の内部領域付近よりも該カバー構造の前記外縁付近においてより大きい解放力を有する、項目17に記載の減圧治療システム。
(項目60)
前記カバー構造に対する前記ポート部材の最大垂直寸法は、該最大垂直寸法を横断する該ポート部材の最大横寸法よりも小さい、項目17に記載の減圧治療システム。
(項目61)
前記カバー構造に対する前記ポート部材の最大垂直寸法は、該最大垂直寸法を横断する該ポート部材の最大横寸法よりも少なくとも50%小さい、項目17に記載の減圧治療システム。
(項目62)
前記配管は、一方向逆止弁をさらに備える、項目24に記載の減圧治療システム。
(項目63)
皮膚位置の減圧治療を行う方法であって、
皮膚位置にドレッシングを適用することと、
該皮膚位置にマスクを適用することであって、該マスクは、内縁と、外縁とを備える、ことと、
液体シーラントを該ドレッシングおよび該皮膚位置に適用することと、
該皮膚位置から該マスクを除去することと
を含む、方法。
(項目64)
前記マスクを選択して、前記皮膚位置の縁から該マスクの内縁を離間させることをさらに含む、項目63に記載の方法。
(項目65)
前記皮膚位置に接触材料を設置することをさらに含み、該皮膚位置は、開放創である、項目63に記載の方法。
(項目66)
前記液体シーラントを前記ドレッシングに適用した後に、該液体シーラント上にメッシュ材料を設置することをさらに含む、項目63に記載の方法。
(項目67)
前記皮膚位置から前記マスクを除去した後に、前記液体シーラント上にメッシュ材料を設置することをさらに含む、項目63に記載の方法。
(項目68)
前記液体シーラントを適用する前に、前記ドレッシング上にメッシュ材料を設置するこ
とをさらに含む、項目63に記載の方法。
によって複雑化され得る。すなわち、柔軟な材料が、様々な身体の曲面に対する高度の適応性を可能とする。同様に、かなりの量の拡張を許容するドレッシングは、自然な身体の動きおよび屈曲/伸長運動に対応する。適切な接着性を有する接着剤との組み合わせにおいて、これらのドレッシングは、外部環境条件における著しい変動に対しても、所望の期間、身体部位上に良好に維持され得る。ある特定の経皮薬物送達パッチ、例えばORTHO EVRA(登録商標)によるもの等は、通常の日々の活動および水泳を含む運動を可能としながら、7日間維持されることが示されている。これらのドレッシングシステムの良好な適用は、特に接着剤表面が露出した際にドレッシングの皺および折曲げをもたらす柔軟性によって妨げられる。接着剤表面は、一旦取り付けられると分離することが困難であることが多い。さらに、材料の折曲げを引き離す努力が、ドレッシングの互いに接着した領域の所望の分離ではなく、ドレッシング自体の拡張をもたらすことが多いため、より高拡張性の材料は、さらに状況を悪化させ得る。接着剤の品質は、使用者の指がドレッシング表面に粘着し得るので、所望の表面を身体部位に適用することを困難とし得る。
料は、身体中心部温度(約98.6°F)、室温(約60°F乃至約90°Fの任意の温度)、または体表温度(例えば、約70°F乃至約98°Fの任意の温度)であるガラス転移温度(Tg)を有するように選択され得る。一部の変形例において、Tgは、身体中心部温度の約±1°F、約±2°F、±3°F、約±4°F、約±5°F、約±6°F、約±7°F、約±8°F、約+9°F、約±10°F、約±15°F、または約±20°F以内の範囲内、または表面温度約60°F、約65°F、約70°F、約75°F、約80°F、約85°F、約90°Fまたは約95°Fであってもよい。一実施形態における接着性ドレッシングは、また、流動および変形して、適用中、および後の患者への治療的使用の間に形成し得る経路またはチャネルを充填することを可能にする機械的特性を有するように配合される。この接着材料は、より厚いアクリル接着剤、親水コロイド、ヒドロゲルまたは他のそのような接着材料を制限なく含み得る。一部の実施例において、接着材料は、約5,000センチポアズ(cP)乃至約500,000cPまで、時には約10,000cP乃至約100,000cP、また時には約20,000cP乃至約50,000cPの範囲内の粘度を有し得る。他の実施例において、接着材料は、低周波数の機械入力(約<1Hz)を受ける場合、約0.5乃至約2、時には約0.5乃至約1、時には約0.5乃至約0.7であり得る、損失角(tan d)によって特徴付けることができる変形特性および磨耗性能を示すように選択されるが、この損失角は、試験材料の損失係数(粘性成分)の保存係数(弾性成分)に対する比に等しい。
ことが可能である。しかしながら、それでもなお、これらのドレッシングは、全ての種類の生体構造に対応しない可能性があり、考えられる生体構造部位それぞれに対して機能するドレッシングを製造することは実用的でない場合がある。医療関係者は、通例的に、ある特定のドレッシングが供給されたままの状態では患者のニーズを満たさない可能性があることを見出し、したがって、そこから患者の特定の輪郭および身体部位要件に適合するようにドレッシングを切断または整形する。この特別設計の必要性は、折曲げおよび皺が良好な接着を困難なものとし得る大型のドレッシングまたは高い曲率を有する身体表面特徴に対して特に明らかとなる。経皮薬物送達の場合、適切な接着が適切な治療薬投与を左右する。信号モニタリングの場合では、適切な表面接触が重要である。RPWTの場合、創傷部位の周囲の密封の質が、減圧の維持に有益となり得、また漏洩経路が治療効果を低下させ得る。このドレッシングの密封特性は、連続電気ポンプまたは類似の減圧生成システムを使用しない、または吸引能力が制限されたRPWTデバイスに特に有益となり得るが、これは著しい漏洩に対する許容値が、従来のRPWTデバイスよりもはるかに低いためである。多くのドレッシングシステムにおいて、ドレッシング構造、例えばより容易な適用を可能にするリリースライナまたは取扱フラップ等は、ドレッシングがある特定の輪郭に適合するように整形されなければならない場合、その機能性を失う。本明細書では、ドレッシングの適用中または適用後に形成し得るチャネルを後に充填および封鎖させる特性をドレッシングに保持しながら、ある形状に切断された後にも個人の必要性を満たすように、簡易なドレッシングの適用を可能しながら、ドレッシングの折曲げおよびドレッシング自体または使用者へのドレッシングの接着を低減することによって、ドレッシングの適用中および適応後の漏洩経路の形成を軽減するシーラントシステムおよび方法が開示される。
圧源が創傷より高い高さに位置する場合は、排液は潜在的に創傷に逆流し得る。創傷排液は、創傷治癒に対し有害な感染性の微生物または化合物によって汚染され得る。したがって、減圧が停止または中断された場合に、創傷排液が創傷に逆流しないように防止する必要がある。
い。
てもよい。
ことに役立ち得る。
レッシングを必要とすることなく、付随病巣用の良好な創傷ドレッシングとして機能することができるという点である。この実施形態において、ドレッシング自体は、創傷周囲の皮膚および創傷周囲の付随病巣用のドレッシングとして機能し得る。一部の実施形態において開示される接着性ドレッシングはまた、治癒を促進する薬物、または銀等の抗菌剤を含む、治療薬剤を含有してもよい。現代の創傷治療の原理の1つは、湿った創傷治癒環境を維持する利点である。したがって、湿った創傷治癒環境を維持する創傷用ドレッシングは、多くの種類の創傷の治療の主力となった。アルギン酸塩、親水コロイド、およびフォーム等のドレッシングは全て、治癒のためのその下の組織の湿度レベルを最適化する吸収特性を有する。従来のRPWTドレッシングは、脆弱な創傷周囲の皮膚および付随病巣の治癒を促進するように最適化されていない。その下の皮膚または付随創傷近くのドレッシング下の環境が湿潤している場合、その下の皮膚および創傷縁の軟浸をもたらし得る。創傷環境が乾燥している場合、創傷治癒の最適化が部分的となり得る。湿った創傷環境は、湿ったガーゼまたはその他の湿った創傷接触材料によって提供することができる。一部の実施例において、親水コロイドドレッシングと組み合わせて湿ったガーゼを使用して、創傷周囲の皮膚から湿気を逃がしながら湿った創傷環境を提供する。
102は、柔軟性材料および低い鉛直プロファイルを有してもよい。一部の実施例において、低い鉛直プロファイルは、任意選択で配管103の縦軸を横断する最大垂直寸法に対する最大横断寸法より小さいドレッシング101に対する最大垂直寸法を備える。一部の実施例において、最大横断寸法は、ポート102の最大垂直寸法よりも2倍、3倍、4倍、5倍、または6倍以上大きくてもよい。ポートがドレッシング材料と一体的に形成される実施例において、これらの寸法は、ドレッシングの上面と配列した面から測定され得る。
8は、環要素305の管腔321と連通する。環要素305はさらに、周方向隆起306およびOリング307を備える回転軸319を備える。ポート本体309が環要素305に連結されると、回転軸319は、周方向隆起306および下部フランジ323との間の相互嵌合を形成するポートフランジ327によってポート空洞325内に維持される。環要素305の管腔321は、ドレッシング304の開窓308と、ポート本体309の任意の角度でのポート空洞325との間の液体連通を提供する。他の実施例において、ポートアセンブリの管腔は、側方管腔として構成されてもよく、それによりポート本体のある特定の角度位置が管腔を封止し、こうして開いた/閉じた弁としてのポート本体の回転を可能にする。
示す。図7Aは、減圧が存在しない場合のポート700を図示しており、図7Bは、減圧が存在する場合のポート700を図示している。ポート700の外壁701は、半透明の柔軟性材料で構成される。ポートの壁701の内部は、減圧源と流体連通している空気を有する空洞705である。減圧の印加下では、空洞705内の空気は排気され、これによって、ポート700の可動壁701が、ポート700の内壁または床707に向けて潰れる。床707はさらに、1つ以上の視覚的に明確な領域706を備える。減圧702が存在しない場合、ポート700の壁701の透光性が視覚的に明確な領域706を不明瞭とする。減圧が存在する場合、ポート700の壁701は床707に向けて付勢され、明確な領域706と接触する。明確な領域706との直接的な接触704によって、明確な領域706は、半透明壁701の材料を通してより明瞭となる。一部の実施形態において、明確な領域706は、色素または顔料の領域を備える、一部の実施形態において、明確な領域706は、記号またはパターンを備える。一部の実施形態において、明確な領域706は、文字を備えてもよい。
ポートは、2つ以上の層の間に位置してもよい。さらに別の実施例において、ポートは、ドレッシング1301に直接取り付けられていなくてもよいが、配管とドレッシング1301の密封接点1302との間で枢動および/または平行運動が可能とされる。
また、体表へのドレッシングの気密性の密封も改善し得る。これらのアプリケータ要素の1つの潜在的な機能は、容易に折れ曲がり、屈曲しないように、および結果的に接着剤層が露出したときにそれ自体に粘着しないように、ドレッシングに十分な剛性を提供することによって適用を容易にすることである。第二に、ドレッシングが適用される際に、ドレッシングシステムは、所望の表面へのより簡易な適用を可能とするように、ドレッシングの接着剤要素との接触を回避しながら保持および把持され得る。第三に、ドレッシングシステムは、特定の解剖学的輪郭に対応するように特別な設計が可能である。例えばドレッシングシステムを切断することによってドレッシングシステムが整形される場合、創傷部位へのドレッシングの簡易な適用を可能とする機能性要素が維持される。
、典型的にはドレッシングの外周に沿って配向する。例えば、2組の対向するリリースハンドルは、矩形ドレッシングの縁を覆うように位置付けられてもよい。ドレッシングの適用前にリリースハンドルの間の接着剤を覆い保護するための別の要素が存在してもよい。リリースハンドルに類似したこの層は、透明もしくは半透明ドレッシングおよび担体を通した可視化を可能とするように透明もしくは半透明であるか、または不透明であってもよい。リリースライナは、例えば、シリコーン処理用紙、フルオロシリコーン、またはフルオロポリマー処理フィルム等のラミネートシートから形成されてもよい。上部支持層と底部リリースハンドルの要素が適所にあれば、2つの要素の剛性化および接着剤遮蔽は、ドレッシング形状の特別設計においても保存される。
804を取るまで不慮の接着に対しドレッシング1803の接着剤層を保護する。ドレッシング1803の中心部分を露出させるために、内部リリースライナ1804の遊離フラップ1808を把持してライナ1804を分離することができる。2つのリリースハンドル1805によって、ドレッシング1803の下面上の接着剤層に接着せずにドレッシング1803を取り扱うまたは把持することができる。内部リリースライナ1804の除去によって露出された接着剤層が所望の治療部位に接着されたら、リリースハンドル1805の遊離フラップ1806を把持し、引っ張ってリリースハンドル1805の接着されたフラップ1807をドレッシング1803から分離し、残りの接着剤を露出させて治療部位へのドレッシング1803の完全な接着を可能とすることができる。固定されると、担体要素をドレッシング1803から分離することができる。
。いくつかのさらなる変形例において、内部領域2104は、いかなる接着剤も完全に欠如していてもよい。ドレッシングの接着特性の他の変形例は、本明細書において上述された。
たはその他の態様で適用され、部位、ドレッシング、および部位と流体連通する導管の部分の周囲の気密性の密封および封入体を形成する。ある特定の実施形態において、適用される物質は、迅速硬質化シリコーンまたはラテックスであってもよい。一部の実施形態において、RPWT導管は、適用されたドレッシングによる気密性の封入体の形成後に適用されてもよい。そのような実施形態において、使用者は、導管を取り付けるために、適用されたドレッシングに開口部を形成してもよい。開口部は、噴霧中に予め形成されてもよく、または噴霧後に形成されてもよい。一部の実施形態において、導管は、接着剤によって気密性の封入体に取り付けられる。一部の実施形態において、適用されたドレッシングは、硬化して創傷縁を内側に引き込み、より迅速な創傷閉鎖/創傷治癒を促進する際に、サイズが約1%乃至約10%以上収縮してもよい。他の実施例において、液体ドレッシングは、治療部位に刷毛、ローラで適用されてもよく、または簡易に適用または搾り出されてもよい。
範囲内の中間的な値の間のそれぞれのより小さい範囲、またはその示された範囲内の他の任意の示されたまたは中間的な値は、本発明に包含される。これらのより小さい範囲の上限および下限は、独立して範囲内に含まれ得るかまたは除外され得、いずれかの限界もしくは両方の限界がより小さい範囲内に含まれるかまたはどちらも含まれないそれぞれの範囲もまた、示された範囲内の任意の具体的に除外された限界に従い、本発明に包含される。示された範囲が限界の一方または両方を含む場合、それらのいずれかまたは両方を除外する範囲もまた、本発明に含まれる。
Claims (1)
- 減圧治療システムであって、
外縁と、上面と、下面と、少なくとも1つの開口部とを備えるカバー構造と、
前記カバー構造の前記上面に取り付けられるポート本体であって、前記カバー構造の前記少なくとも1つの開口部と連通している少なくとも1つのポート管腔を備えるポート本体と、
前記ポート本体内の圧力インジケータと
を備え、前記ポート本体は、減圧のレベルで視認できるように変形するように構成される柔軟性材料を備える、減圧治療システム。
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CA2744548A1 (en) | 2010-06-17 |
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AU2009324913A1 (en) | 2010-06-17 |
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US11446184B2 (en) | 2022-09-20 |
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US20100160901A1 (en) | 2010-06-24 |
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JP2012509723A (ja) | 2012-04-26 |
US20220062060A1 (en) | 2022-03-03 |
JP5680544B2 (ja) | 2015-03-04 |
EP3159034B1 (en) | 2020-01-08 |
EP3159034A1 (en) | 2017-04-26 |
JP6438075B2 (ja) | 2018-12-12 |
JP2015077464A (ja) | 2015-04-23 |
EP2358425A4 (en) | 2013-03-27 |
WO2010068502A1 (en) | 2010-06-17 |
EP2821095A1 (en) | 2015-01-07 |
EP2821095B1 (en) | 2017-08-09 |
EP3614114A1 (en) | 2020-02-26 |
AU2016200418B2 (en) | 2017-06-29 |
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