JP7204685B2 - 陰圧治療での肉芽形成を促進し浸軟を低減させる複合ドレッシング - Google Patents
陰圧治療での肉芽形成を促進し浸軟を低減させる複合ドレッシング Download PDFInfo
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- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
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-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/425—Porous materials, e.g. foams or sponges
-
- 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
- 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
-
- 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
- A61F13/0203—Adhesive bandages or dressings with fluid retention members
- A61F13/0206—Adhesive bandages or dressings with fluid retention members with absorbent fibrous layers, e.g. woven or non-woven absorbent pads or island dressings
-
- A—HUMAN NECESSITIES
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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
- A61F13/02—Adhesive bandages or dressings
- A61F13/0203—Adhesive bandages or dressings with fluid retention members
- A61F13/0213—Adhesive bandages or dressings with fluid retention members the fluid retention member being a layer of hydrocolloid, gel forming material
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- 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
- A61F2013/00089—Wound bandages
- A61F2013/00217—Wound bandages not adhering to the wound
-
- 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
- A61F2013/00089—Wound bandages
- A61F2013/00246—Wound bandages in a special way pervious to air or vapours
- A61F2013/00251—Wound bandages in a special way pervious to air or vapours with macroscopic openings
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- 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
- A61M1/916—Suction aspects of the dressing specially adapted for deep wounds
-
- 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
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Description
本出願は、米国特許法第119条(e)の下で、2017年9月29日に出願された、「COMPOSITE DRESSINGS FOR IMPROVED GRANULATION AND REDUCED MACERATION WITH NEGATIVE-PRESSURE TREATMENT」と題する米国仮特許出願第62/565,754号明細書、2017年6月7日に出願された、「TISSUE CONTACT INTERFACE」と題する米国仮特許出願第62/516,540号明細書、2017年6月7日に出願された、「COMPOSITE DRESSINGS FOR IMPROVED GRANULATION AND REDUCED MACERATION WITH NEGATIVE-PRESSURE TREATMENT」と題する米国仮特許出願第62/516,550号明細書、及び2017年6月7日に出願された、「COMPOSITE DRESSINGS FOR IMPROVED GRANULATION AND REDUCED MACERATION WITH NEGATIVE-PRESSURE TREATMENT」と題する米国仮特許出願第62/516,566号明細書の出願の利益を主張し、これらの出願の各々は、すべての目的に対して参照により本明細書に援用される。
Claims (29)
- 陰圧を用いて組織部位を治療するためのドレッシングにおいて、
第1側と、第2側と、前記第1側から延在する複数の隆起した縁を有する開窓とを有する第1層であって、複数の前記隆起した縁が、静止時には互いに対して倒れこんで接触しているとともに、前記第1層にわたる圧力勾配に応答して分離するように構成されている、第1層と、
前記第1側に隣接する第2層であって、マニホールドを備える第2層と、
前記第1層とは反対側で前記第2層に結合されたカバーであって、ポリマードレープを備えるカバーと、
を備えることを特徴とするドレッシング。 - 請求項1に記載のドレッシングにおいて、前記第1層が疎水性であることを特徴とするドレッシング。
- 請求項1に記載のドレッシングにおいて、
前記第1層が疎水性であり、
前記マニホールドが疎水性であり、
前記第1層が前記マニホールドより高疎水性であることを特徴とするドレッシング。 - 請求項1に記載のドレッシングにおいて、前記第1層が、90度を超える水接触角を有するポリマーフィルムを含むことを特徴とするドレッシング。
- 請求項1に記載のドレッシングにおいて、前記開窓が、前記第1層にわたる前記第1側から前記第2側への液体移動を制限するように構成されていることを特徴とするドレッシング。
- 請求項1に記載のドレッシングにおいて、前記第1層が、前記マニホールドと前記組織部位との間に挿入され、少なくとも部分的に前記組織部位に露出されるように構成されていることを特徴とするドレッシング。
- 請求項1に記載のドレッシングにおいて、前記開窓が前記第1層と同一の広がりを有することを特徴とするドレッシング。
- 請求項1に記載のドレッシングにおいて、前記開窓が前記マニホールドと同一の広がりを有することを特徴とするドレッシング。
- 請求項1に記載のドレッシングにおいて、前記開窓が均一パターンで前記第1層にわたって分散されていることを特徴とするドレッシング。
- 請求項1に記載のドレッシングにおいて、前記開窓が、平行な行及び列の格子で前記第1層にわたって分散されていることを特徴とするドレッシング。
- 請求項1に記載のドレッシングにおいて、
前記開窓が、平行な行及び列で前記第1層にわたって分散され、
前記平行な行が、中心において3ミリメートル間隔を空けて配置され、
前記平行な行の各々における前記開窓が、中心において3ミリメートル間隔を空けて配置されていることを特徴とするドレッシング。 - 請求項1に記載のドレッシングにおいて、前記第1層が実質的に平坦な面を有することを特徴とするドレッシング。
- 請求項1に記載のドレッシングにおいて、前記開窓が非対称であることを特徴とするドレッシング。
- 請求項1に記載のドレッシングにおいて、前記第1層が前記第2層に溶接されていることを特徴とするドレッシング。
- 請求項1に記載のドレッシングにおいて、
前記第1層が疎水性であり、
前記第1層が前記マニホールドに溶接されていることを特徴とするドレッシング。 - 請求項1に記載のドレッシングにおいて、前記第1層が、ポリエチレンフィルム又はエチルメチルアクリレートフィルムを備えるか又はそれから構成されていることを特徴とするドレッシング。
- 請求項1に記載のドレッシングにおいて、前記第1層が、30グラム/平方メートル未満の面密度を有するポリエチレンフィルムを備えるか又はそれから本質的に構成されていることを特徴とするドレッシング。
- 請求項1に記載のドレッシングにおいて、
前記第1層が、ポリエチレンフィルム又はエチルメチルアクリレートフィルムを備えるか又はそれから本質的に構成され、
前記第1層が前記マニホールドに溶接されていることを特徴とするドレッシング。 - 請求項1に記載のドレッシングにおいて、
前記第1層が、ポリエチレンフィルム又はエチルメチルアクリレートフィルムを備えるか又はそれから本質的に構成され、
前記マニホールドがポリウレタンフォームを備え、
前記第1層が前記マニホールドに溶接されていることを特徴とするドレッシング。 - 請求項1に記載のドレッシングにおいて、
前記第1層がポリエチレンフィルムを備えるか又はそれから本質的に構成され、
前記マニホールドがポリウレタンフォームを備え、
前記ポリウレタンフィルムが、極性インタフェースにより前記マニホールドに溶接されていることを特徴とするドレッシング。 - 請求項1に記載のドレッシングにおいて、
前記第1層が、エチルメチルアクリレートフィルムに貼り合わされたポリエチレンフィルムを備えるか又はそれから本質的に構成され、
前記マニホールドがポリウレタンフォームを備え、
前記エチルメチルアクリレートフィルムが前記マニホールドに溶接されていることを特徴とするドレッシング。 - 請求項1に記載のドレッシングにおいて、
前記第1層が、ポリアミド、コポリエステル、イオノマー及びアクリル樹脂のフィルムのうちの少なくとも1つに貼り合わされたポリエチレンフィルムを備えるか又はそれから本質的に構成され、
前記第1層が前記マニホールドに溶接されていることを特徴とするドレッシング。 - 請求項1に記載のドレッシングにおいて、前記第1層と前記第2層との間に結合層をさらに備えることを特徴とするドレッシング。
- 請求項1に記載のドレッシングにおいて、前記第1層がシリコーンのコーティングを備えることを特徴とするドレッシング。
- 請求項1に記載のドレッシングにおいて、前記第1層がフルオロカーボンのコーティングを備えることを特徴とするドレッシング。
- 請求項1に記載のドレッシングにおいて、前記第2層とは反対側で前記第1層に結合された第3層をさらに備え、前記第3層が、複数のアパーチャを有する疎水性ゲルを備えることを特徴とするドレッシング。
- 請求項1に記載のドレッシングにおいて、前記第2層とは反対側で前記第1層に結合された第3層をさらに備え、前記第3層が、前記第1層の前記開窓のうちの少なくともいくつかと位置合わせされるアパーチャを有する疎水性ゲルを備えることを特徴とするドレッシング。
- 請求項1に記載のドレッシングにおいて、前記第2層とは反対側で前記第1層に結合された第3層をさらに備え、前記第3層が、前記開窓のうちの1つの少なくとも一部を露出させるように構成された複数のアパーチャを有する疎水性ゲルを備えることを特徴とするドレッシング。
- 請求項1に記載のドレッシングにおいて、前記第2層とは反対側で前記第1層に結合された第3層をさらに備え、前記第3層が複数のアパーチャを有する疎水性ゲルを備え、前記アパーチャが前記開窓の有効サイズを制限することを特徴とするドレッシング。
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PCT/US2018/035957 WO2018226624A1 (en) | 2017-06-07 | 2018-06-05 | Composite dressings for improved granulation and reduced maceration with negative-pressure treatment |
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AU2018282156A1 (en) | 2019-11-07 |
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US20220257423A1 (en) | 2022-08-18 |
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