JP5638521B2 - 温度を低減させる治癒用の創傷ドレッシング材 - Google Patents
温度を低減させる治癒用の創傷ドレッシング材 Download PDFInfo
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- JP5638521B2 JP5638521B2 JP2011517125A JP2011517125A JP5638521B2 JP 5638521 B2 JP5638521 B2 JP 5638521B2 JP 2011517125 A JP2011517125 A JP 2011517125A JP 2011517125 A JP2011517125 A JP 2011517125A JP 5638521 B2 JP5638521 B2 JP 5638521B2
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- wound
- cold
- dressing device
- layer
- wound contact
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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
- A61F2013/00361—Plasters
- A61F2013/00727—Plasters means for wound humidity control
- A61F2013/00748—Plasters means for wound humidity control with hydrocolloids or superabsorbers
-
- 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
- A61F2013/00863—Plasters pervious to air or vapours with pores
-
- 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
- A61F2013/00919—Plasters containing means for physical therapy, e.g. cold or magnetic
-
- 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
- A61F2013/00927—Plasters containing means with biological activity, e.g. enzymes for debriding wounds or others, collagen or growth factors
- A61F2013/00931—Plasters containing means with biological activity, e.g. enzymes for debriding wounds or others, collagen or growth factors chitin
Landscapes
- Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Vascular Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Epidemiology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Organic Chemistry (AREA)
- Hematology (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Materials For Medical Uses (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
Description
- 創傷接触面を有する創傷接触層を備えた創傷カバーと、
- 創傷接触層に含有された創傷治療物質と、
- 創傷接触層と熱連通状態にある熱吸収層であって、創傷接触層から熱を除去するように適応可能であり、創傷接触面の温度を周囲温度未満まで低減させる熱吸収層と
を含む、貼り付けられた創傷の治癒を促進するように設計された低温適応性創傷ドレッシングデバイスに関する。
(実施例1)
マトリックスにヒアルロン酸を混入させる
合計重量50〜500g/m2のセルロース繊維、熱可塑性繊維及びSAP粉末のような十分量のマトリックス物質を所定量の乾燥医療グレードヒアルロン酸ナトリウム顆粒(例えば0.1%w/wのHA濃度を得るための量)と共に粉末混合器に入れ、120rpmで1時間混合した。その後、得られた混合物を55℃でカレンダープレスにより圧縮して直径2〜4mmの乾燥「ケーク」とした。このプロセスにより得られたマトリックスは、36℃の温度を有する水で溶出すると、カルバゾール法により測定したところ60〜80%のHAを放出する。このことは、HAを混入したマトリックスがHAの吸収及び創傷表面への放出のための貯蔵所として役立つことができることを示す。
マトリックスに脱アセチル化キトサンを混入させる
同じプロセスを用いて、60〜95%の脱アセチル化率を特徴とする動物または非動物由来の医療グレードキトサンをマトリックスに混入するのに同じプロセスを使用した。
被覆物質にヒアルロン酸を含浸させる
被覆物質への0.1〜0.5%のHA(w/w)の含浸を達成するために、適切な地質及び強度の不織熱可塑性繊維の織物を誘導して最初にエアロゾルチャンバに通し、その後、乾燥チャンバに通した。乾燥の前に該不織物質にHAベースの水溶液をスプレー加工及びパディング加工することは含浸の代替方法である。
マトリックスを被覆物質と接合する
被覆物質の内側のマトリックスの機械的安定化は、いったん水に浸して垂直力に曝すとパッドの内側のマトリックス物質の転位につながるランプ化(lumping)/凝塊形成を回避するための重要な手段である。このことは、例えば、十分量の熱可塑性繊維または粉末をこの程度まで含有していたマトリックスへの被覆物質の部分的超音波接合により達成された。
該デバイスの積極的冷却及び創傷治癒効果
その術後経過を改善するために、滅菌したプロトタイプ版の低温適応性創傷ドレッシングデバイスを鏡視下半月板切除術後の患者において使用した。各パッドをエチレンオキシドにより滅菌し、無菌手術環境で包装を開けた。
- 皮膚温度低減の持続期間、
- 通常のNSAID摂取量に加えて鎮痛薬摂取量、
- 関節滲出液、
- 皮膚浸軟、及び
- 凍結療法に対する耐性またはHA/有害事象に対するアレルギー性反応
であった。
12 創傷カバー
16 創傷接触層
20 創傷接触面
22 多孔性表層
24 孔
30 多孔性マトリックス
32 繊維状物質
40 創傷治療物質
46 活性成分
50 熱吸収層
60 物理的表面フィーチャー
66 部分的流体障壁
68 完全な流体障壁
70 水和「高吸収性ポリマー」(SAP)
74 包帯カバー
90 取り外し可能な無菌カバー
Claims (13)
- 創傷接触面20を有する創傷接触層16を備えた創傷カバー12と、
創傷接触層16に含有された創傷治療物質40と、
創傷接触層16と熱連通状態にある熱吸収層50であって、創傷接触層16から熱を除去するように適応可能であり、創傷接触面20の温度を周囲温度未満まで低減させて、創傷の治癒を促進するための低温適応性創傷ドレッシングデバイス10を形成する熱吸収層50と
を含み、創傷接触層16が、水性流体がその中へ、さらにそこを通って自由に拡散することを可能にする多孔性マトリックス30であり、前記マトリックスが、創傷治療物質40を含浸させた繊維状物質32を含み、創傷治療物質40が天然のヒアルロン酸組成物を含み、熱吸収層50が水和高吸収性ポリマー70を含む、貼り付けられた創傷の治癒を促進するように設計された低温適応性創傷ドレッシングデバイス10であって、
前記水和高吸収性ポリマー70が、そのポリマーの吸収能力の20パーセント以下まで水和された、低温適応性創傷ドレッシングデバイス10。 - 創傷接触層16が流体吸収特性を有し、体液及び/または創傷滲出物を吸収することができる、請求項1に記載の低温適応性創傷ドレッシングデバイス10。
- 創傷接触面20が創傷接触層16の表面である、請求項1または2に記載の低温適応性創傷ドレッシングデバイス10。
- 創傷カバー12が、創傷接触層16の別の多孔性表面である創傷接触面22を有する、請求項1または2に記載の低温適応性創傷ドレッシングデバイス10。
- 創傷カバー12が、創傷接触層16の別の多孔性表面である創傷接触面22aを有し、前記別の多孔性表面22aが、前記創傷接触層と係合し、創傷接触面22aに対する創傷接触層16の滑動及び創傷接触面22aからの創傷接触層16の離脱を防止するのに役立つ物理的表面フィーチャー60を有する、請求項1または4に記載の低温適応性創傷ドレッシングデバイス10。
- 創傷治療物質40がキトサン及び/またはジアセレインを含む、請求項1〜5のいずれか一項に記載の低温適応性創傷ドレッシングデバイス10。
- 創傷治療物質40が、天然のヒアルロン酸のゲル、クリームまたは水溶液からなる群から選択される形態の天然のヒアルロン酸組成物を含む、請求項1〜6のいずれか一項に記載の低温適応性創傷ドレッシングデバイス10。
- 熱吸収層50が創傷接触層16と開放流体連通状態にある、請求項1〜7のいずれか一項に記載の低温適応性創傷ドレッシングデバイス10。
- 熱吸収層50を創傷接触層16から隔てる部分的流体障壁66をさらに含む請求項1〜8のいずれか一項に記載の低温適応性創傷ドレッシングデバイス10であって、熱吸収層50が創傷接触層16と部分的に制限された流体連通状態にある、低温適応性創傷ドレッシングデバイス10。
- 熱吸収層50を介したガス交換を可能にしながら、前記熱吸収層50を創傷接触層16から隔てる流体障壁68をさらに含む、請求項1〜8のいずれか一項に記載の低温適応性創傷ドレッシングデバイス10。
- 創傷接触層が生体適合性合成層である、請求項1〜10のいずれか一項に記載の低温適応性創傷ドレッシングデバイス10。
- 生体適合性合成物質が、ポリエチレン、ポリプロピレン、ポリエステルからなる群から選択される、請求項11に記載の低温適応性創傷ドレッシングデバイス10。
- 創傷の治療用の請求項1〜12のいずれか一項に記載の低温適応性創傷ドレッシングデバイス10。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US7844708P | 2008-07-07 | 2008-07-07 | |
US61/078,447 | 2008-07-07 | ||
PCT/EP2009/058550 WO2010003935A2 (en) | 2008-07-07 | 2009-07-07 | Temperature reducing, healing wound dressing |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011527210A JP2011527210A (ja) | 2011-10-27 |
JP5638521B2 true JP5638521B2 (ja) | 2014-12-10 |
Family
ID=41463027
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2011517125A Expired - Fee Related JP5638521B2 (ja) | 2008-07-07 | 2009-07-07 | 温度を低減させる治癒用の創傷ドレッシング材 |
Country Status (13)
Country | Link |
---|---|
US (1) | US8920830B2 (ja) |
EP (1) | EP2296598B1 (ja) |
JP (1) | JP5638521B2 (ja) |
KR (1) | KR101381099B1 (ja) |
BR (1) | BRPI0915684A2 (ja) |
CA (1) | CA2728930C (ja) |
DK (1) | DK2296598T3 (ja) |
ES (1) | ES2533272T3 (ja) |
MX (1) | MX2011000131A (ja) |
PL (1) | PL2296598T3 (ja) |
PT (1) | PT2296598E (ja) |
RU (1) | RU2497490C2 (ja) |
WO (1) | WO2010003935A2 (ja) |
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US20150223988A1 (en) * | 2010-03-04 | 2015-08-13 | Donald Spector | Bandage with a compressed layer that expands upon contact with liquid |
US10709883B2 (en) | 2010-03-04 | 2020-07-14 | Donald Spector | Bandage with microneedles for antimicrobial delivery and fluid absorption from a wound |
US8814842B2 (en) | 2010-03-16 | 2014-08-26 | Kci Licensing, Inc. | Delivery-and-fluid-storage bridges for use with reduced-pressure systems |
US10940047B2 (en) | 2011-12-16 | 2021-03-09 | Kci Licensing, Inc. | Sealing systems and methods employing a hybrid switchable drape |
WO2013090810A1 (en) | 2011-12-16 | 2013-06-20 | Kci Licensing, Inc. | Releasable medical drapes |
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WO2015065742A1 (en) | 2013-10-28 | 2015-05-07 | Kci Licensing, Inc. | Hybrid sealing tape |
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US11026844B2 (en) | 2014-03-03 | 2021-06-08 | Kci Licensing, Inc. | Low profile flexible pressure transmission conduit |
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-
2009
- 2009-07-07 CA CA2728930A patent/CA2728930C/en not_active Expired - Fee Related
- 2009-07-07 PT PT97802151T patent/PT2296598E/pt unknown
- 2009-07-07 EP EP09780215.1A patent/EP2296598B1/en not_active Not-in-force
- 2009-07-07 KR KR1020117002548A patent/KR101381099B1/ko active IP Right Grant
- 2009-07-07 ES ES09780215.1T patent/ES2533272T3/es active Active
- 2009-07-07 US US13/003,106 patent/US8920830B2/en not_active Expired - Fee Related
- 2009-07-07 MX MX2011000131A patent/MX2011000131A/es active IP Right Grant
- 2009-07-07 WO PCT/EP2009/058550 patent/WO2010003935A2/en active Application Filing
- 2009-07-07 JP JP2011517125A patent/JP5638521B2/ja not_active Expired - Fee Related
- 2009-07-07 RU RU2011102840/14A patent/RU2497490C2/ru not_active IP Right Cessation
- 2009-07-07 DK DK09780215.1T patent/DK2296598T3/en active
- 2009-07-07 BR BRPI0915684A patent/BRPI0915684A2/pt not_active Application Discontinuation
- 2009-07-07 PL PL09780215T patent/PL2296598T3/pl unknown
Also Published As
Publication number | Publication date |
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RU2497490C2 (ru) | 2013-11-10 |
CA2728930A1 (en) | 2010-01-14 |
KR101381099B1 (ko) | 2014-04-02 |
RU2011102840A (ru) | 2012-08-20 |
PT2296598E (pt) | 2015-02-20 |
EP2296598B1 (en) | 2014-12-24 |
CA2728930C (en) | 2014-12-09 |
WO2010003935A2 (en) | 2010-01-14 |
PL2296598T3 (pl) | 2015-06-30 |
KR20110039546A (ko) | 2011-04-19 |
US20110311610A1 (en) | 2011-12-22 |
US8920830B2 (en) | 2014-12-30 |
JP2011527210A (ja) | 2011-10-27 |
MX2011000131A (es) | 2011-05-10 |
ES2533272T3 (es) | 2015-04-08 |
EP2296598A2 (en) | 2011-03-23 |
DK2296598T3 (en) | 2015-03-09 |
BRPI0915684A2 (pt) | 2017-06-20 |
WO2010003935A3 (en) | 2010-03-11 |
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