JP2020533154A - 生体組織に接触するための装置および方法 - Google Patents
生体組織に接触するための装置および方法 Download PDFInfo
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Abstract
Description
(a)以下の特性、すなわち、
約0以下のショアA、および、好適には、約30以下、より好適には約20以下、さらに好適には約10以下のショア00デュロメータ硬度(いずれの場合においても Standard Test Method for Rubber Property−Durometer Hardness ASTM D2240−15を使用して測定された値である)、
約0.9g/cm3以下の密度(比重)、および/または、
約9mJ/cm2以下、好適には約7mJ/cm2以下、最も好適には約5mJ/cm2以下の、Standard Test Method for Pressure−Sensitive Tack of Adhesives ASTM D2979−16を使用して測定された粘性のレベル、
約0.3kPa〜約30kPaの範囲、および好適には約1kPa〜約15kPaの範囲の弾性(貯蔵)係数、
約0.4kPa〜約7kPaの範囲、および、好適には約0.8kPa〜約7kPaの範囲の粘性(損失)係数、
のうちの1つまたは複数を含む器具の組織接触表面を提供するよう構成された粘弾性発泡体を含む組織境界部分と、
(b)組織境界部分を支持するよう、かつ、組織境界部分により組織から離間されるよう、構成された非接触部分と、
を含む、動物(好適には哺乳動物、および最も好適にはヒト)の皮膚に接触するよう構成された器具を提供する。
物質の準備は、10ショアAデュロメータ硬度の液状シリコーンゴム(Silbione(登録商標)LSR4310、Elkem Silicones、米国)およびアンモニウムバイカルボナート発泡剤(Med4−4900、Nusil Technology LLC)を使用して実施された。使用された液状シリコーンゴムは1:1の比で手動混合された2成分白金触媒シリコーンエラストマーである。アンモニウムバイカルボナートが、液状シリコーンゴム混合物から1.5重量%において計り取られ、次に、それと組み合わされ、手動で混合された。
Claims (44)
- 組織に接触するよう構成された器具であって、
(a)前記器具の組織接触表面を提供するよう構成された粘弾性発泡体を含む組織境界部分であって、前記粘弾性発泡体は、以下の特性、すなわち、
Standard Test Method for Rubber Property−Durometer Hardness ASTM D2240−15を使用して測定された、約10以下のショアA、および、好適には、約30以下、より好適には約20以下、さらに好適には約10以下のショア00デュロメータ硬度、
約0.9g/cm3以下の密度(比重)、および/または、
約9mJ/cm2以下、好適には約7mJ/cm2以下、最も好適には約5mJ/cm2以下の、Standard Test Method for Pressure−Sensitive Tack of Adhesives ASTM D2979−16を使用して測定された粘性のレベル、
約0.3kPa〜約30kPaの範囲、および好適には約1kPa〜約15kPaの範囲の弾性(貯蔵)係数、
約0.4kPa〜約7kPaの範囲、および、好適には約0.8kPa〜約7kPaの範囲の粘性(損失)係数、
のうちの1つまたは複数を含む、組織境界部分と、
(b)前記組織境界部分を支持するよう、かつ、前記組織境界部分により前記組織から離間されるよう、構成された非接触部分と、
を含む、器具。 - 前記粘弾性発泡体は、10kPa〜約15kPaの範囲の弾性(貯蔵)係数、および、約2kPa〜約7kPaの範囲の粘性(損失)係数、の一方または両方を含む、請求項1に記載の器具。
- 粘弾性発泡体ではない第2組織接触表面をさらに含む、請求項1または請求項2に記載の器具。
- 前記粘弾性発泡体は、約10以下のショアA、約0.9g/cm3以下の密度(比重)、および約9mJ/cm2以下の粘性を含む、請求項1〜請求項3のうちのいずれか1項に記載の器具。
- 前記発泡体は約5以下のショアAを含む、請求項1〜請求項4のうちのいずれか1項に記載の器具。
- 前記発泡体は約1以下のショアAを含む、請求項1〜請求項4のうちのいずれか1項に記載の器具。
- 前記粘弾性発泡体は粘着性付与剤も接着剤も含まず、前記粘性は前記粘弾性発泡体の固有の特性である、請求項1〜請求項6のうちのいずれか1項に記載の器具。
- 前記粘弾性発泡体は、少なくとも約0.1mJ/cm2、少なくとも約0.3mJ/cm2、または少なくとも約0.5mJ/cm2の粘性を示す、請求項1〜請求項7のうちのいずれか1項に記載の器具。
- 前記粘弾性発泡体は、大気圧において、約8mL/分以下の、前記密閉表面を越える空気漏出を提供する、請求項1〜請求項8のうちのいずれか1項に記載の器具。
- 前記粘弾性発泡体は、大気圧において、約0.8mL/分以下の、前記密閉表面を越える空気漏出を提供する、請求項1〜請求項8のうちのいずれか1項に記載の器具。
- 前記粘弾性発泡体は、前記組織に対して密閉部を提供し、大気圧において、約0.008mL/分以下の、前記密閉部を越える空気漏出を提供する、請求項1〜請求項8のうちのいずれか1項に記載の器具。
- 前記粘弾性発泡体は約0.5g/cm3以下の密度を有する、請求項1〜請求項11のうちのいずれか1項に記載の器具。
- 前記粘弾性発泡体は発泡シリコーンゴムである、請求項1〜請求項12のうちのいずれか1項に記載の器具。
- 前記粘弾性発泡体は強化用充填剤である、請求項1〜請求項13のうちのいずれか1項に記載の器具。
- 前記強化用充填剤は、シリカ、シリカエアロゲル、シリカキセロゲル、二酸化チタン、珪藻土、酸化鉄、酸化アルミニウム、酸化亜鉛、石英、カルシウム、カルボナート、酸化マグネシウム、カーボンブラック、グラファイト、ガラス繊維、ガラスミクロスフェア、ガラスマイクロバルーン、ガラスビーズ、炭素繊維、シリコンカーバイド、ポリスチレンビーズ、微晶質セルロース、ナノ粒子、および金属繊維からなる群より選択される、請求項14に記載の器具。
- 前記粘弾性発泡体は抗菌剤を含む、請求項1〜請求項15のうちのいずれか1項に記載の器具。
- 前記抗菌剤は、銀塩、銀イオン、ガラス粒子内に封入された銀イオン、銀−ナトリウム−リン酸水素ジルコニウム、3−(トリメトキシシリル)プロピルジメチルオクタデシル塩化アンモニウム、塩化ベンザルコニウム、ポリヘキサメチレンビグアニド(PHMB)、およびクロルヘキシジンからなる群より選択された1つまたは複数の薬剤を含む、請求項16に記載の器具。
- 前記器具は眼球保護マスクである、請求項1〜請求項17のうちのいずれか1項に記載の器具。
- 前記器具はスキューバマスクである、請求項1〜請求項17のうちのいずれか1項に記載の器具。
- 前記器具は水泳用ゴーグルである、請求項1〜請求項17のうちのいずれか1項に記載の器具。
- 前記粘弾性発泡体は、前記組織に密閉部と、1atmの圧力において、前記器具が10分で前記器具の内部容積の10%以下を漏出させるような前記密閉部を越える水漏出と、を提供する、請求項19または請求項20に記載の器具。
- 前記器具は医療器具である、請求項1〜請求項18のうちのいずれか1項に記載の器具。
- 前記器具は呼吸マスクである、請求項1〜請求項18のうちのいずれか1項に記載の器具。
- 前記医療器具はヒトまたは動物の身体の組織を覆うよう構成された負圧チャンバである、請求項1〜請求項18のうちのいずれか1項に記載の器具。
- 前記医療器具は負圧創傷治療装置である、請求項24に記載の器具。
- 前記負圧チャンバは、ヒトの気道の1部分の上に覆い被さる組織に外部負圧を印加することにより、気道開存性を維持するための連続負外部圧力(cNEP)治療装置である、請求項24に記載の器具。
- 前記器具は1組のヘッドフォン、耳栓、イヤバッド、またはイヤフォンである、請求項1〜請求項18のうちのいずれか1項に記載の器具。
- 前記器具は、カテーテル、血管ステント、血管グラフト、血管ステントグラフト、またはこれらの構成要素である、請求項1〜請求項18のうちのいずれか1項に記載の器具。
- 請求項1〜請求項28のうちのいずれか1項に記載の器具の組織接触表面を提供する粘弾性発泡体を形成する方法であって、
調合物を提供するために、シリコーン基部、発泡剤、および触媒を組み合わせることと、
前記粘弾性発泡体を提供するために選択された条件下で前記調合物を硬化させることであって、前記粘弾性発泡体は、以下の特性すなわち、
いずれの場合もStandard Test Method for Rubber Property−Durometer Hardness ASTM D2240−15を使用して測定された、約10以下のショアA、および、好適には、約30以下、より好適には約20以下、さらに好適には約10以下のショア00デュロメータ硬度、
約0.9g/cm3以下の密度(比重)、および/または、
約9mJ/cm2以下、好適には約7mJ/cm2以下、最も好適には約5mJ/cm2以下の、Standard Test Method for Pressure−Sensitive Tack of Adhesives ASTM D2979−16を使用して測定された粘性のレベル、
約0.3kPa〜約30kPaの範囲、および好適には約1kPa〜約15kPaの範囲の弾性(貯蔵)係数、
約0.4kPa〜約7kPaの範囲、および、好適には約0.8kPa〜約7kPaの範囲の粘性(損失)係数、
のうちの1つまたは複数を有する、硬化することと、
を含む、方法。 - 前記硬化ステップは約100°C〜約250°Cの範囲の温度で硬化することを含む、請求項29に記載の方法。
- 前記硬化ステップは少なくとも約120°Cの温度で硬化することを含む、請求項30に記載の方法。
- 前記硬化ステップは少なくとも約150°Cの温度で硬化することを含む、請求項30に記載の方法。
- 前記硬化ステップは少なくとも約170°Cの温度で硬化することを含む、請求項30に記載の方法。
- 前記発泡剤はアンモニウム塩、ナトリウム塩、またはカリウム塩を含む、請求項29〜請求項33のうちのいずれか1項に記載の方法。
- 前記触媒は、鉄触媒、コバルト触媒、亜鉛触媒、チタン酸塩触媒、スズ触媒、白金触媒、または酸触媒からなる群より選択される、請求項29〜請求項34のうちのいずれか1項に記載の方法。
- 前記粘弾性発泡体は、10kPa〜約15kPaの範囲の弾性(貯蔵)係数、および、約2kPa〜約7kPaの範囲の粘性(損失)係数、の一方または両方を含む、請求項29〜請求項35のうちのいずれか1項に記載の方法。
- 前記粘弾性発泡体は、約10以下のショアA、約0.9g/cm3以下の密度(比重)、および約9mJ/cm2以下の粘性を含む、請求項36に記載の方法。
- 前記発泡体は約5以下のショアAを含む、請求項37に記載の方法。
- 前記発泡体は約1以下のショアAを含む、請求項37に記載の方法。
- 前記粘弾性発泡体は粘着性付与剤も接着剤も含まない、請求項29〜請求項39のうちのいずれか1項に記載の方法。
- 前記粘弾性発泡体は、少なくとも約0.1mJ/cm2、少なくとも約0.3mJ/cm2、または少なくとも約0.5mJ/cm2の粘性を示す、請求項29〜請求項40のうちのいずれか1項に記載の方法。
- 前記粘弾性発泡体の外側表面は、前記粘弾性発泡体の独立気泡を形成するために皮膜で覆われる、請求項29〜請求項41のうちのいずれか1項に記載の方法。
- 前記シリコーン基部はLSRである、請求項29〜請求項42のうちのいずれか1項に記載の方法。
- 前記シリコーン基部はHCRである、請求項29〜請求項42のうちのいずれか1項に記載の方法。
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JPH0541567U (ja) * | 1991-11-11 | 1993-06-08 | 株式会社タバタ | 水中眼鏡等のバツクル構造体 |
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JP2006297935A (ja) * | 2005-04-19 | 2006-11-02 | Sulzer Chemtech Ag | 液体シリコーンゴムからなる発泡成形ポリマー製品の製造方法の使用 |
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JP2011524778A (ja) * | 2008-06-20 | 2011-09-08 | ヴィセラ・バイオメディカル・リミテッド | 食道弁 |
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US20200276364A1 (en) | 2020-09-03 |
CN118267536A (zh) | 2024-07-02 |
WO2019055531A1 (en) | 2019-03-21 |
BR112020004859A2 (pt) | 2020-09-15 |
CN111182941B (zh) | 2024-04-16 |
EP3675953A4 (en) | 2021-10-06 |
US11904074B2 (en) | 2024-02-20 |
AU2018332823A1 (en) | 2020-03-26 |
CN111182941A (zh) | 2020-05-19 |
JP2023166576A (ja) | 2023-11-21 |
AU2024219576A1 (en) | 2024-10-03 |
US20240189489A1 (en) | 2024-06-13 |
CA3075489A1 (en) | 2019-03-21 |
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