JP5908458B2 - 創傷被覆材 - Google Patents
創傷被覆材 Download PDFInfo
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- JP5908458B2 JP5908458B2 JP2013506728A JP2013506728A JP5908458B2 JP 5908458 B2 JP5908458 B2 JP 5908458B2 JP 2013506728 A JP2013506728 A JP 2013506728A JP 2013506728 A JP2013506728 A JP 2013506728A JP 5908458 B2 JP5908458 B2 JP 5908458B2
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Classifications
-
- 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
- A61F13/02—Adhesive bandages or dressings
- A61F13/023—Adhesive bandages or dressings wound covering film layers without a fluid retention layer
-
- 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
- A61F13/05—Bandages or dressings; Absorbent pads specially adapted for use with sub-pressure or over-pressure therapy, wound drainage or wound irrigation, e.g. for use with negative-pressure wound therapy [NPWT]
-
- 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
- A61M1/915—Constructional details of the pressure distribution manifold
-
- 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
- A61F2013/00365—Plasters use
- A61F2013/00536—Plasters use for draining or irrigating wounds
-
- 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
- A61F2013/00544—Plasters form or structure
- A61F2013/00604—Multilayer
-
- 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
-
- 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
- A61M1/92—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing with liquid supply 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
- A61M1/94—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing with gas supply means
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Biomedical Technology (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Materials For Medical Uses (AREA)
- External Artificial Organs (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 (14)
- 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、当該装置は、
液体および気体透過性の伝達層と、
前記伝達層の上に位置する、創傷滲出液を吸収するための吸収層であって、前記伝達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吸収層と、
前記吸収層の上に位置し、第1のオリフィスを備える、気体不透過性のカバー層と、
を備え、前記カバー層は、水蒸気透過性であることを特徴とする装置。 - 前記カバー層は、水蒸気透過性のフィルムと、前記フィルム上に広がる接着層パターンと、を備えることを特徴とする請求項1に記載の装置。
- 前記水蒸気透過性のフィルムが、湿潤時に水の透過速度が高くなる材料から製造されるフィルムを備えることを特徴とする請求項2に記載の装置。
- 前記第1のオリフィスの周囲の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1〜3のいずれか一項に記載の装置。
- 前記第1のオリフィスを覆い、かつ、前記カバー層および/または前記ポートにシールされたフィルター膜をさらに備えることを特徴とする請求項4に記載の装置。
- 前記吸収層は、前記第1のオリフィスの下に位置する第2のオリフィスを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。
- 前記第1のオリフィスは、前記第2のオリフィスを通して伝達層に結合されることを特徴とする請求項6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1〜7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8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8または9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、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8〜10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1〜11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1〜12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1〜13のいずれか一項に記載の装置。
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GBGB1006986.2A GB201006986D0 (en) | 2010-04-27 | 2010-04-27 | Wound dressing |
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PCT/GB2011/000622 WO2011135284A1 (en) | 2010-04-27 | 2011-04-21 | Wound dressing |
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JP2016056638A Division JP6373890B2 (ja) | 2010-04-27 | 2016-03-22 | 創傷被覆材 |
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JP2018134863A Active JP6867337B2 (ja) | 2010-04-27 | 2018-07-18 | 創傷被覆材 |
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CN103079505A (zh) | 2013-05-01 |
GB201006986D0 (en) | 2010-06-09 |
MX2012012545A (es) | 2013-04-03 |
EP4223265A1 (en) | 2023-08-09 |
EP2563308A1 (en) | 2013-03-06 |
HUE048406T2 (hu) | 2020-07-28 |
JP6373890B2 (ja) | 2018-08-15 |
EP4223265B1 (en) | 2024-08-28 |
BR112012027536A2 (pt) | 2016-08-02 |
EP2821035A1 (en) | 2015-01-07 |
EP4023197B1 (en) | 2023-03-29 |
WO2011135284A1 (en) | 2011-11-03 |
ZA201208051B (en) | 2013-06-26 |
EP3628289B1 (en) | 2021-11-10 |
CA2797333C (en) | 2020-10-06 |
JP2013524971A (ja) | 2013-06-20 |
EP2563308B1 (en) | 2015-03-11 |
EP2821035B1 (en) | 2019-12-11 |
CA2797333A1 (en) | 2011-11-03 |
JP2016116943A (ja) | 2016-06-30 |
AU2011247124A1 (en) | 2012-11-15 |
EP3628289A1 (en) | 2020-04-01 |
RU2573816C2 (ru) | 2016-01-27 |
MX349522B (es) | 2017-08-01 |
AU2011247124B2 (en) | 2015-05-14 |
JP6867337B2 (ja) | 2021-04-28 |
CN103079505B (zh) | 2016-01-20 |
ES2536502T3 (es) | 2015-05-26 |
EP4023197A1 (en) | 2022-07-06 |
JP2018175894A (ja) | 2018-11-15 |
RU2012149479A (ru) | 2014-06-10 |
ES2768425T3 (es) | 2020-06-22 |
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