JP6367500B2 - 使い捨て式手術衣 - Google Patents
使い捨て式手術衣 Download PDFInfo
- Publication number
- JP6367500B2 JP6367500B2 JP2017564833A JP2017564833A JP6367500B2 JP 6367500 B2 JP6367500 B2 JP 6367500B2 JP 2017564833 A JP2017564833 A JP 2017564833A JP 2017564833 A JP2017564833 A JP 2017564833A JP 6367500 B2 JP6367500 B2 JP 6367500B2
- Authority
- JP
- Japan
- Prior art keywords
- disposable surgical
- layer
- surgical garment
- acid amide
- rear panel
- 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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Landscapes
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Description
本出願は、米国特許仮出願第62/331,641号(2016年5月4日出願)に基づく優先権を主張するものである。上記出願は、その全文を引用することを以って本明細書の一部となす。
本発明は、手術室で医療供給者が着用する手術衣(サージカルガウン)や、危険な物質及び液体に曝される危険がある他の環境で作業者が着用する作業衣などの保護衣類に関する。
実施例1では、病院の手術室で使用されている光源と類似するC光源を光源として使用した紙用の標準的なTAPPI試験方法にしたがって、本発明に係る弾性フィルム不織布積層体の不透明度(拡散反射率)、散乱能(散乱力)、散乱係数、吸収能(吸収力)、吸収係数、及び透過率を測定した。また、使い捨て式手術衣に使用される4つの市販の材料についても、上記の各特性を測定した。また、材料の坪量も測定した。これらの測定結果を下記の表1に示す。
Claims (26)
- 使い捨て式手術衣であって、
前側パネル、第1の袖部、第2の袖部、第1の後側パネル、第2の後側パネル、及びカラーを含み、
前記前側パネル、前記第1の袖部、及び前記第2の袖部は各々、
それらの外側に向いた面を画定する面を有する外側スパンボンド層と、
それらの身体側に向いた面を画定するスパンボンド/メルトブローン/スパンボンド(SMS)積層体と、
前記外側スパンボンド層及び前記SMS積層体間に配置され、液体不透過性及び水蒸気通気性を有し、かつASTM試験1671の合格基準を満たす弾性フィルムとを含み、
前記第1の後側パネル及び前記第2の後側パネルは、空気通気性を有し、20〜80標準立方フィート/分(scfm)(0.57〜2.27m3/分)の範囲の空気体積流量を可能にする不織布積層体から作製され、
前記カラーは、空気通気性を有するニット材料から作製され、当該手術衣の近位端に配置され、かつ前記前側パネルに隣接する領域において、V字形状を有するネック開口部を画定し、
前記V字形状は、前記ネック開口部において90°以上の角度をなしていることを特徴とする使い捨て式手術衣。 - 前記弾性フィルムは、第1のスキン層と、第2のスキン層と、前記第1のスキン層及び前記第2のスキン層間に配置されたコア層とを含むことを特徴とする請求項1に記載の使い捨て式手術衣。
- 前記コア層は、ポリプロピレンを含み、
前記第1のスキン層及び前記第2のスキン層は、ポリプロピレン及びポリエチレンのコポリマーを含むことを特徴とする請求項2に記載の使い捨て式手術衣。 - 前記弾性フィルムは、5〜50gsmの範囲の坪量を有することを特徴とする請求項1ないし3のいずれかに記載の使い捨て式手術衣。
- 前記コア層は、フルオロケミカル添加物を含むことを特徴とする請求項2に記載の使い捨て式手術衣。
- 前記フルオロケミカル添加物は、前記コア層に、その総重量に基づいて、0.1〜5重量%の範囲の量で含まれることを特徴とする請求項5に記載の使い捨て式手術衣。
- 前記コア層は、充填剤を含むことを特徴とする請求項2に記載の使い捨て式手術衣。
- 前記充填剤は、前記コア層に、その総重量に基づいて、50〜85重量%の範囲の量で含まれることを特徴とする請求項7に記載の使い捨て式手術衣。
- 前記外側スパンボンド層及び前記SMS積層体は、半結晶性ポリオレフィンを含むことを特徴とする請求項1ないし8のいずれかに記載の使い捨て式手術衣。
- 前記半結晶性ポリオレフィンは、プロピレン及びエチレンのコポリマーを含み、
前記エチレンは、1〜20重量%の範囲の量で含まれることを特徴とする請求項9に記載の使い捨て式手術衣。 - 前記外側スパンボンド層は、5〜50gsmの範囲の坪量を有し、
前記SMS積層体は、10〜60gsmの範囲の坪量を有することを特徴とする請求項1ないし10のいずれかに記載の使い捨て式手術衣。 - 前記外側スパンボンド層及び前記SMS積層体は各々、スリップ剤を含むことを特徴とする請求項1ないし11のいずれかに記載の使い捨て式手術衣。
- 前記スリップ剤は、エルカ酸アミド、オレイン酸アミド、ステアリン酸アミド、ベヘン酸アミド、オレイルパルミチン酸アミド、ステアリルエルカ酸アミド、エチレンビス−オレイン酸アミド、N、N´−エチレンビスステアリン酸アミド(EBS)、またはそれらの組み合わせを含むことを特徴とする請求項12に記載の使い捨て式手術衣。
- 前記スリップ剤は、前記外側スパンボンド層に、その総重量に基づいて、0.1〜4重量%の範囲の量で含まれ、かつ
前記スリップ剤は、前記SMS積層体の1つの層に、その層の総重量に基づいて、0.25〜6重量%の範囲の量で含まれることを特徴とする請求項12または13に記載の使い捨て式手術衣。 - 前記第1の後側パネル及び前記第2の後側パネルは各々、SMS積層体を含むことを特徴とする請求項1ないし14のいずれかに記載の使い捨て式手術衣。
- 前記第1の後側パネル及び前記第2の後側パネルは各々、20〜80gsmの範囲の坪量を有することを特徴とする請求項15に記載の使い捨て式手術衣。
- 前記第1の後側パネル及び前記第2の後側パネルは、スリップ剤を含むことを特徴とする請求項1ないし16のいずれかに記載の使い捨て式手術衣。
- 前記スリップ剤は、エルカ酸アミド、オレイン酸アミド、ステアリン酸アミド、ベヘン酸アミド、オレイルパルミチン酸アミド、ステアリルエルカ酸アミド、エチレンビス−オレイン酸アミド、N、N´−エチレンビスステアリン酸アミド(EBS)、またはそれらの組み合わせを含むことを特徴とする請求項17に記載の使い捨て式手術衣。
- 前記スリップ剤は、前記第1の後側パネル及び前記第2の後側パネルに、前記第1の後側パネル及び前記第2の後側パネルの前記SMS積層体の各スパンボンド層の総重量に基づいて、0.25〜6重量%の範囲の量で含まれることを特徴とする請求項17または18に記載の使い捨て式手術衣。
- 前記カラーは、ポリエステルを含むことを特徴とする請求項1ないし19のいずれかに記載の使い捨て式手術衣。
- 前記カラーは、前記第1の後側パネルの縁部に隣接して配置された第1のテーパ部分と、前記第2の後側パネルの縁部に隣接して配置された第2のテーパ部分とを含むことを特徴とする請求項1ないし20のいずれかに記載の使い捨て式手術衣。
- 前記カラーは、前記前側パネル、前記第1の袖部、前記第2の袖部、前記第1の後側パネル、及び前記第2の後側パネルに、ポリエステル糸で縫い付けられることを特徴とする請求項1ないし21のいずれかに記載の使い捨て式手術衣。
- 前記前側パネル、前記第1の袖部、前記第2の袖部、前記第1の後側パネル、前記第2の後側パネル、またはそれらの組み合わせは、グレアを減少させることができるグレー色の色合いを有することを特徴とする請求項1ないし22のいずれかに記載の使い捨て式手術衣。
- 前記前側パネル、前記第1の袖部、前記第2の袖部、前記第1の後側パネル、前記第2の後側パネル、またはそれらの組み合わせは、カーボンブラック顔料及び二酸化チタンを含むことを特徴とする請求項1ないし23のいずれかに記載の使い捨て式手術衣。
- 98%以上の不透明度を示すことを特徴とする請求項1ないし24のいずれかに記載の使い捨て式手術衣。
- 0.1未満の光透過率を示すことを特徴とする請求項1ないし25のいずれかに記載の使い捨て式手術衣。
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