JP5883850B2 - 創傷被覆材 - Google Patents
創傷被覆材 Download PDFInfo
- Publication number
- JP5883850B2 JP5883850B2 JP2013506730A JP2013506730A JP5883850B2 JP 5883850 B2 JP5883850 B2 JP 5883850B2 JP 2013506730 A JP2013506730 A JP 2013506730A JP 2013506730 A JP2013506730 A JP 2013506730A JP 5883850 B2 JP5883850 B2 JP 5883850B2
- Authority
- JP
- Japan
- Prior art keywords
- wound
- layer
- orifice
- dressing
- cover layer
- 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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- A61F2013/00361—Plasters
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- 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
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- A61F2013/00727—Plasters means for wound humidity control
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- A61F13/00—Bandages or dressings; Absorbent pads
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- A61F13/00—Bandages or dressings; Absorbent pads
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- 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
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- 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
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- A—HUMAN NECESSITIES
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- A61M2205/00—General characteristics of the apparatus
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- A—HUMAN NECESSITIES
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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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/75—General characteristics of the apparatus with filters
- A61M2205/7518—General characteristics of the apparatus with filters bacterial
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- A—HUMAN NECESSITIES
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- A61M2205/00—General characteristics of the apparatus
- A61M2205/75—General characteristics of the apparatus with filters
- A61M2205/7527—General characteristics of the apparatus with filters liquophilic, hydrophilic
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Surgery (AREA)
- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Otolaryngology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Materials For Medical Uses (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。
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。
さらなるオプションとして、活性炭素、シクロデキストリン、ゼオライトなどの消臭素子が吸収層に、または、フィルター層の上のさらなる層として含まれてもよい。
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 (18)
- 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、
創傷滲出液を吸収するための吸収層と、
前記吸収層の上に位置する気体不透過性のカバー層であって、負圧が少なくとも2つの離間した領域内の前記カバー層を通して伝達されることを可能にするように構成された少なくとも2つのオリフィスを備え、各オリフィスが前記少なくとも2つの離間した領域の対応する1つ内に配置されるカバー層と、
前記少なくとも2つのオリフィスを連結する流体連結通路と、
前記少なくとも2つのオリフィスに配置される液体不透過性及び気体透過性のフィルター膜と、
を備えることを特徴とする装置。 - 少なくとも1つのオリフィスの周囲で前記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に記載の装置。
- 前記装置は、第1のコーナー及び第2のコーナーを有し、前記少なくとも2つのオリフィスの第1のオリフィスは、前記カバー層の第1のコーナー領域に配置され、前記少なくとも2つのオリフィスの第2のオリフィスは、前記カバー層の第2のコーナー領域に配置されることを特徴とする請求項1又は請求項2に記載の装置。
- 前記流体連結通路は、前記カバー層の上面に形成されることを特徴とする請求項1又は請求項3に記載の装置。
- 前記流体連結通路は、第1のオリフィスから第2のオリフィスへ負圧を伝達するように構成され、これにより、前記第1および第2オリフィスを介して前記傷口に負圧をかけ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。
- 前記通路と前記少なくとも2つのオリフィスとの下に延在する液体不透過性、気体透過性のフィルター膜をさらに備えることを特徴とする請求項1〜5のいずれか一項に記載の装置。
- 前記通路は、可撓性材料から形成されることを特徴とする請求項1〜6のいずれか一項に記載の装置。
- 各オリフィスの周囲で前記カバー層にシールされたポートをさらに備え、前記ポートと前記通路とは、統一された素子として形成されることを特徴とする請求項1〜7のいずれか一項に記載の装置。
- 前記少なくとも1つのオリフィスは、細長いオリフィスであり、前記オリフィスの第1の端部は前記少なくとも2つの領域の第1の領域内に配置され、前記オリフィスの第2の端部は前記少なくとも2つの領域のもう1つの領域内に配置されることを特徴とする請求項1に記載の装置。
- 液体および気体透過性の伝達層をさらに備え、前記カバー層は、前記吸収層および前記伝達層の上に位置す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。
- 前記伝達層の下に位置する、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10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11に記載の装置。
- 前記創傷接触層の下面にリリース可能な保護層をさらに備えることを特徴とする請求項11または12に記載の装置。
- 前記カバー層および前記創傷接触層が、前記吸収層の縁部領域を超えて被覆材の中央領域から外向きに延在することで、前記カバー層および前記創傷接触層が、前記周囲領域で一緒にシールされることを特徴とする請求項11〜13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1〜14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1〜15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1〜16のいずれか一項に記載の装置。
- 前記気体不透過性のカバー層は、水蒸気透過性であることを特徴とする請求項1〜17のいずれか一項に記載の装置。
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GB1006985.4 | 2010-04-27 | ||
GBGB1006985.4A GB201006985D0 (en) | 2010-04-27 | 2010-04-27 | Wound dressing |
PCT/GB2011/000626 WO2011135286A1 (en) | 2010-04-27 | 2011-04-21 | Wound dressing |
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JP2013524972A JP2013524972A (ja) | 2013-06-20 |
JP5883850B2 true JP5883850B2 (ja) | 2016-03-15 |
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JP (1) | JP5883850B2 (ja) |
CN (1) | CN103037822B (ja) |
AU (1) | AU2011247126B2 (ja) |
BR (1) | BR112012027537A2 (ja) |
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GB (1) | GB201006985D0 (ja) |
HU (1) | HUE033309T2 (ja) |
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MX2012012547A (es) | 2013-04-03 |
AU2011247126A1 (en) | 2012-11-08 |
JP2013524972A (ja) | 2013-06-20 |
CN103037822B (zh) | 2016-08-03 |
HUE033309T2 (en) | 2017-11-28 |
GB201006985D0 (en) | 2010-06-09 |
RU2560994C2 (ru) | 2015-08-20 |
CA2797594A1 (en) | 2011-11-03 |
CN103037822A (zh) | 2013-04-10 |
ZA201208053B (en) | 2013-06-26 |
EP3207905A1 (en) | 2017-08-23 |
CA2797594C (en) | 2018-05-01 |
EP2563307A1 (en) | 2013-03-06 |
BR112012027537A2 (pt) | 2016-08-02 |
MX337519B (es) | 2016-03-09 |
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