JP6165230B2 - 創傷被覆材 - Google Patents
創傷被覆材 Download PDFInfo
- Publication number
- JP6165230B2 JP6165230B2 JP2015256330A JP2015256330A JP6165230B2 JP 6165230 B2 JP6165230 B2 JP 6165230B2 JP 2015256330 A JP2015256330 A JP 2015256330A JP 2015256330 A JP2015256330 A JP 2015256330A JP 6165230 B2 JP6165230 B2 JP 6165230B2
- Authority
- JP
- Japan
- Prior art keywords
- wound
- layer
- dressing
- orifice
- exudate
- 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.)
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- A61F2013/00727—Plasters means for wound humidity control
- A61F2013/00731—Plasters means for wound humidity control with absorbing pads
- A61F2013/00744—Plasters means for wound humidity control with absorbing pads containing non-woven
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F2013/00361—Plasters
- A61F2013/00795—Plasters special helping devices
- A61F2013/00825—Plasters special helping devices protection of wound surround
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F2013/00361—Plasters
- A61F2013/00855—Plasters pervious to air or vapours
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F2013/00361—Plasters
- A61F2013/00902—Plasters containing means
- A61F2013/0091—Plasters containing means with disinfecting or anaesthetics means, e.g. anti-mycrobic
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F2013/00361—Plasters
- A61F2013/00902—Plasters containing means
- A61F2013/00914—Plasters containing means with deodorising or perfuming means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/90—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
- A61M1/91—Suction aspects of the dressing
- A61M1/912—Connectors between dressing and drainage tube
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/90—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
- A61M1/96—Suction control thereof
- A61M1/962—Suction control thereof having pumping means on the suction site, e.g. miniature pump on dressing or dressing capable of exerting suction
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Vascular Medicine (AREA)
- Hematology (AREA)
- Anesthesiology (AREA)
- Surgery (AREA)
- Otolaryngology (AREA)
- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Materials For Medical Uses (AREA)
- External Artificial Organs (AREA)
- Laminated Bodies (AREA)
Description
創傷被覆材から離れたポンプは、創傷被覆材自体が創傷滲出液を収集するために使用される間に創傷被覆材に接続され再利用さ得、次いで使用後に捨てられてもよい。
2つ、3つ、4つまたはそれ以上の所定圧力値と対応する時間周期とが付随的に利用されてもよい。適切に、例えば、正弦波、痛む歯、収縮−拡張などのより複雑な振幅/周波数の波形が、用意されてもよい。
ある実施形態は、カバー層140を伝達層105に少なくとも部分的に接着させてもよい。ある実施形態では、孔はポート150またはオリフィス145の直径の少なくとも1〜2mm大きい。
本発明のある実施形態では、フィルター素子130は、支持層と、支持層上に形成されるアクリル共重合体膜とを備える。適切には、本発明のある実施形態における創傷被覆材100は、微小孔疎水性膜(MHMs)を使用する。複数のポリマーがMHMsを形成するために採用されてもよい。例えば、PTFE、ポリプロピレンmPVDFおよびアクリル共重合体。これらの付随的なポリマー全ては、疎水性および疎油性の両方であり得る特定の表面性能を取得するために処理され得る。このことにより、これらは、マルチビタミン注入、脂質、界面活性剤、オイル、および有機溶剤などの低い表面張力を有する液体をはじく。
層110は、10cm〜20cmの長さ(例えば、15cm×15cmの被覆材用に10cm×10cm、20cm×20cmの被覆材用に15cm×15cm、または25cm×25cmの被覆材用に20cm×20cm)の長さの両辺を有してもよい。伝達層105は、好ましくは、吸収層より小さく、ある実施形態では、吸収層よりも長さと幅が両方ともに0.5cm〜2cm短い、より好ましくは約1cm短い、長さおよび幅を有してもよい。ある矩形形状の実施形態では、伝達層は、その長軸が14cm〜34cmで、その短軸が3cm〜5cmの長さであってもよい。例えば、伝達層は、4.6cm×14cm(10cm×20cmの被覆材用に)、4.6cm×24cm(10cm×30cmの被覆材用に)、4cm×34cm(10cm×40cmの被覆材用に)、9cm×14cm(15cm×20cmの被覆材用に)、および9cm×24cm(15cm×30cmの被覆材用に)のサイズで構成されてもよい。ある正方形形状の実施形態では、伝達層は、9cm〜19cmの長さ(例えば、15cm×15cmの被覆材用に9cm×9cm、20cm×20cmの被覆材用に14cm×14cm、または25cm×25cmの被覆材用に19cm×19cm)の長さの両辺を有してもよい。
一度フィルター素子がブロックされた状態になると、吸収層の総限度容量には達していなくても、もはや負圧が傷口に伝えられない。
このようなバッフル素子は、伝達層105および/または吸収層110の領域、あるいは、吸収層110および/または伝達層105が存在しないシーリング領域内に配置または射出され得る。
101 下面
102 創傷接触層
103 上面
105 伝達層
110 吸収層
130 フィルター
140 カバー
145 オリフィス
150 (吸気)ポート
156 本体部分
201 中央領域
220 チューブ、導管
310、410、412、610 バッフル素子
350 オリフィス
360、910 (可撓性)成形品
710、810、812 (空気)経路
845 オリフィス
Claims (16)
- 傷口に局所負圧をかけるための創傷を被覆するための装置であって、
液体および気体透過性の伝達層と、
創傷滲出液を吸収するための吸収層と、
前記吸収層および前記伝達層の上に位置する気体不透過性カバー層であって、前記伝達層と連結されるオリフィスを備える前記気体不透過性カバー層と、
負圧が前記オリフィスにかけられる際に、創傷滲出液が前記オリフィスに向けて移動する速度を落とすように構成された少なくとも1つの素子と、
を備える前記装置において、
前記素子は、創傷滲出液が前記オリフィスに向けて移動する速度を落とすよう構成され、前記伝達層内にビアの列を備え、
前記ビアは、吸収材料を封じ込めることを特徴とする装置。 - 液体不透過性、気体透過性フィルター膜をさらに備えることを特徴とする請求項1に記載の装置。
- 前記液体不透過性、気体透過性フィルター膜は、前記オリフィスに位置することを特徴とする請求項2に記載の装置。
- 前記オリフィスは、前記気体不透過性カバー層の周辺領域に位置することを特徴とする請求項1〜3のいずれか一項に記載の装置。
- 少なくとも1つのバッフル素子は、前記伝達層の幅を略横断して延在することを特徴とする請求項1〜4のいずれか一項に記載の装置。
- 創傷滲出液が前記オリフィスに向けて移動する速度を落とすよう構成され、前記伝達層の縁部領域から延在し、かつ前記伝達層を前記オリフィスに連結する空気経路を備えることを特徴とする請求項1〜4のいずれか一項に記載の装置。
- 前記空気経路は、曲がりくねった通路に沿って延在することを特徴とする請求項6に記載の装置。
- 前記空気経路は、前記伝達層の第1の縁部領域および第2の縁部領域から前記オリフィスに延在する第1の空気経路および第2の空気経路を備えることを特徴とする請求項6に記載の装置。
- 前記第1の縁部領域および前記第2の縁部領域は、前記伝達層の対向する縁部領域に位置することを特徴とする請求項8に記載の装置。
- 前記伝達層および前記吸収層の下に位置する穿孔した創傷接触層をさらに備えることを特徴とする請求項1〜9のいずれか一項に記載の装置。
- 前記創傷接触層の下面および/または上面に接着層をさらに備えることを特徴とする請求項10に記載の装置。
- 前記オリフィスの周囲で前記気体不透過性カバー層にシールされたポートをさらに備えることを特徴とする請求項1〜11のいずれか一項に記載の装置。
- 創傷接触層内および/または前記吸収層内に抗菌剤をさらに備えることを特徴とする請求項1〜12のいずれか一項に記載の装置。
- 痛み止めおよび/または細胞活性強化剤をさらに備えることを特徴とする請求項1〜13のいずれか一項に記載の装置。
- 消臭剤をさらに備えることを特徴とする請求項1〜14のいずれか一項に記載の装置。
- 前記気体不透過性カバー層は、水蒸気透過性であることを特徴とする請求項1〜15のいずれか一項に記載の装置。
Applications Claiming Priority (2)
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GBGB1006983.9A GB201006983D0 (en) | 2010-04-27 | 2010-04-27 | Wound dressing |
GB1006983.9 | 2010-04-27 |
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JP2013506729A Division JP6121322B2 (ja) | 2010-04-27 | 2011-04-21 | 創傷被覆材 |
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2010
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2011
- 2011-04-21 BR BR112012027539A patent/BR112012027539A2/pt not_active Application Discontinuation
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JP2013529942A (ja) | 2013-07-25 |
CN104840301A (zh) | 2015-08-19 |
EP2563306B1 (en) | 2016-03-30 |
CN103079503A (zh) | 2013-05-01 |
JP2016041379A (ja) | 2016-03-31 |
CA2797334A1 (en) | 2011-11-03 |
CN103079503B (zh) | 2015-04-01 |
GB201006983D0 (en) | 2010-06-09 |
EP2563306A1 (en) | 2013-03-06 |
MX2012012546A (es) | 2013-04-03 |
ZA201208052B (en) | 2013-06-26 |
JP6121322B2 (ja) | 2017-04-26 |
CA2797334C (en) | 2020-04-28 |
MX337492B (es) | 2016-03-08 |
AU2011247125B2 (en) | 2015-04-09 |
WO2011135285A1 (en) | 2011-11-03 |
AU2011247125A1 (en) | 2012-11-15 |
ES2571332T3 (es) | 2016-05-24 |
RU2012149591A (ru) | 2014-06-10 |
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