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	<title>特許、フード、気泡、Underwater ESD、Dual-approach ESD - 永田充 公式サイト｜食道・胃・十二指腸・大腸がん内視鏡治療専門医</title>
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	<description>神奈川県藤沢市（JR辻堂駅徒歩8分） 湘南藤沢徳洲会病院の消化器内視鏡専門医 永田充の公式サイトです。</description>
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	<title>特許、フード、気泡、Underwater ESD、Dual-approach ESD - 永田充 公式サイト｜食道・胃・十二指腸・大腸がん内視鏡治療専門医</title>
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		<title>特許登録のお知らせ</title>
		<link>https://dr-nagata.com/new20260221/</link>
		
		<dc:creator><![CDATA[永田充]]></dc:creator>
		<pubDate>Fri, 20 Feb 2026 16:08:56 +0000</pubDate>
				<category><![CDATA[お知らせ]]></category>
		<category><![CDATA[特許、フード、気泡、Underwater ESD、Dual-approach ESD]]></category>
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					<description><![CDATA[このたび、当科発明のフード（内視鏡先端に装着する処置具）の特許が登録されました。 ・発明の名称：浸水下内視鏡装置用フード ・特許番号：特許第7817724号 ・関連出願：分割出願中 本研究・開発にあたり、ご指導いただいた先生方ならびに臨床現…]]></description>
										<content:encoded><![CDATA[
<p>このたび、当科発明のフード（内視鏡先端に装着する処置具）の特許が登録されました。</p>



<p>・発明の名称：浸水下内視鏡装置用フード</p>



<p>・特許番号：特許第7817724号</p>



<p>・関連出願：分割出願中</p>



<p>本研究・開発にあたり、ご指導いただいた先生方ならびに臨床現場でご協力いただいた皆様に、心より感謝申し上げます。</p>



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</div>
</div>



<h2 class="wp-block-heading">技術の概要</h2>



<p>浸水下内視鏡治療（Underwater ESDなど）では、手技中に発生する気泡がフード内に滞留し、視野が悪化することがあります。</p>



<p>本フードは、気泡の排出を促し、手技中の視野確保に寄与することを目的として設計しました。 </p>



<figure class="wp-block-image size-full is-resized"><img data-recalc-dims="1" decoding="async" width="565" height="564" data-attachment-id="2924" data-permalink="https://dr-nagata.com/new20260221/%e3%82%b9%e3%82%af%e3%83%aa%e3%83%bc%e3%83%b3%e3%82%b7%e3%83%a7%e3%83%83%e3%83%88-2026-02-20-202259/" data-orig-file="https://i0.wp.com/dr-nagata.com/wp-content/uploads/2026/02/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2026-02-20-202259.jpg?fit=565%2C564&amp;ssl=1" data-orig-size="565,564" data-comments-opened="0" data-image-meta="{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}" data-image-title="スクリーンショット 2026-02-20 202259" data-image-description="" data-image-caption="" data-large-file="https://i0.wp.com/dr-nagata.com/wp-content/uploads/2026/02/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2026-02-20-202259.jpg?fit=565%2C564&amp;ssl=1" src="https://i0.wp.com/dr-nagata.com/wp-content/uploads/2026/02/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2026-02-20-202259.jpg?resize=565%2C564&#038;ssl=1" alt="" class="wp-image-2924" style="width:480px" srcset="https://i0.wp.com/dr-nagata.com/wp-content/uploads/2026/02/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2026-02-20-202259.jpg?w=565&amp;ssl=1 565w, https://i0.wp.com/dr-nagata.com/wp-content/uploads/2026/02/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2026-02-20-202259.jpg?resize=300%2C300&amp;ssl=1 300w, https://i0.wp.com/dr-nagata.com/wp-content/uploads/2026/02/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2026-02-20-202259.jpg?resize=150%2C150&amp;ssl=1 150w" sizes="(max-width: 565px) 100vw, 565px" /><figcaption class="wp-element-caption"><strong>浸水下内視鏡装置用フード</strong><br>出典：Nagata M. Digestive Endoscopy 2022;34:654. © 2022 Japan Gastroenterological Endoscopy Society (Wiley)</figcaption></figure>



<p></p>



<h2 class="wp-block-heading">関連する臨床報告・技術報告（動画あり / オープンアクセス）</h2>



<p><strong>1）症例報告（高難易度：亜全周性十二指腸腫瘍の Underwater ESD）</strong><br><a href="https://doi.org/10.1111/den.14696" target="_blank" rel="noreferrer noopener nofollow external" data-wpel-link="external">Digestive Endoscopy 2024; 36(2): 225–227.</a></p>



<p><strong>2）気泡が排出されにくい状況で有効であった工夫（気泡の小型化による自動排出の促進）</strong><br><a href="https://doi.org/10.1055/a-2368-9612" target="_blank" rel="noreferrer noopener nofollow external" data-wpel-link="external">Endoscopy 2024; 56: E699–E700.</a><br>※手技を一部アップデート中</p>



<p><strong>3）出血時の視野障害（red out）への対応</strong><br><a href="https://doi.org/10.1055/a-2556-5656" target="_blank" rel="noreferrer noopener nofollow external" data-wpel-link="external">Endoscopy 2025; 57: E257–E258.</a></p>



<p></p>



<h2 class="wp-block-heading">お問い合わせ</h2>



<p>本技術にご関心のある方は、<a href="https://dr-nagata.com/contact/" data-wpel-link="internal" target="_blank" rel="noopener noreferrer"><strong>お問い合わせフォーム</strong></a>よりご連絡ください。</p>



<p></p>



<p><strong><img src="https://s.w.org/images/core/emoji/16.0.1/72x72/25b6.png" alt="▶" class="wp-smiley" style="height: 1em; max-height: 1em;" />この記事を書いた人<br></strong>永田充（消化器内視鏡専門医／湘南藤沢徳洲会病院 内視鏡内科 部長）<br>詳しいプロフィール・実績はこちら</p>



<figure class="wp-block-embed is-type-wp-embed"><div class="wp-block-embed__wrapper">
<div class="sc_getpost"><a class="clearfix" href="https://dr-nagata.com/profile/" data-wpel-link="internal" target="_blank" rel="noopener noreferrer"><div class="sc_getpost_thumb post-box-thumbnail__wrap"><img data-recalc-dims="1" decoding="async" src="https://i0.wp.com/dr-nagata.com/wp-content/uploads/2026/05/%E2%98%85%E3%83%97%E3%83%AD%E3%83%95%E3%82%A3%E3%83%BC%E3%83%AB%E3%82%A2%E3%82%A4%E3%82%AD%E3%83%A3%E3%83%83%E3%83%81%E7%94%BB%E5%83%8F_1200px%C3%97630px%E6%AF%94%E7%8E%871.911.jpg?resize=850%2C446&#038;ssl=1" width="850" height="446" alt="永田充のプロフィール"></div><div class="title">永田充のプロフィール</div><div class="date">2018.11.18</div><div class="substr">永田充医師のプロフィール・実績紹介。湘南藤沢徳洲会病院 内視鏡内科部長として、食道・胃・十二指腸・大腸がんの内視鏡治療、ESD、Underwater ESD、トラクション法の臨床・...</div></a></div>
</div></figure>



<h2 class="wp-block-heading">関連サイト</h2>



<p><strong><img src="https://s.w.org/images/core/emoji/16.0.1/72x72/25b6.png" alt="▶" class="wp-smiley" style="height: 1em; max-height: 1em;" /> 永田充 医師のアメブロはこちら<br></strong>ピロリ菌、食道がん・胃がん・大腸がん、内視鏡検査（胃カメラ・大腸カメラ）などについて、患者さん向けに分かりやすく解説しています。</p>



<div class="linkcard"><div class="lkc-external-wrap"><a class="lkc-link no_icon" href="https://ameblo.jp/endosc" data-lkc-id="2" target="_blank" rel="external noopener nofollow noreferrer" data-wpel-link="external"><div class="lkc-card"><div class="lkc-info"><div class="lkc-favicon"><img decoding="async" src="https://www.google.com/s2/favicons?domain=ameblo.jp" alt="" width="16" height="16" /></div><div class="lkc-domain">ameblo.jp</div></div><div class="lkc-content"><figure class="lkc-thumbnail"><img decoding="async" class="lkc-thumbnail-img" src="https://s.wordpress.com/mshots/v1/https%3A%2F%2Fameblo.jp%2Fendosc?w=200" width="100px" height="100px" alt="" /></figure><div class="lkc-title">早期発見が安心につながる、内視鏡の話</div><div class="lkc-url" title="https://ameblo.jp/endosc">https://ameblo.jp/endosc</div><div class="lkc-excerpt">永田充さんのブログです。最近の記事は「ようやく…！特許のご報告（画像あり）」です。</div></div><div class="clear"></div></div></a></div></div>



<p><strong><img src="https://s.w.org/images/core/emoji/16.0.1/72x72/25b6.png" alt="▶" class="wp-smiley" style="height: 1em; max-height: 1em;" /> 専門家向けの解説（note）はこちら<br></strong>Underwater ESDなど、より専門的な内容をまとめています。</p>



<div class="linkcard"><div class="lkc-external-wrap"><a class="lkc-link no_icon" href="https://note.com/nagata326" data-lkc-id="1" target="_blank" rel="external noopener nofollow noreferrer" data-wpel-link="external"><div class="lkc-card"><div class="lkc-info"><div class="lkc-favicon"><img decoding="async" src="https://www.google.com/s2/favicons?domain=note.com" alt="" width="16" height="16" /></div><div class="lkc-domain">note（ノート）</div></div><div class="lkc-content"><figure class="lkc-thumbnail"><img data-recalc-dims="1" decoding="async" class="lkc-thumbnail-img" src="https://i0.wp.com/dr-nagata.com/wp-content/uploads/pz-linkcard/cache/88f8906f3551fcb9534cc4603fac09d20ebbd5b57e5c3320dec423620016bcc0.webp?w=850"   alt="" /></figure><div class="lkc-title">永田 充｜note</div><div class="lkc-url" title="https://note.com/nagata326">https://note.com/nagata326</div><div class="lkc-excerpt">医師／湘南藤沢徳洲会病院 内視鏡内科所属。専門は消化管の早期がんに対する内視鏡治療、特に内視鏡的粘膜下層剥離術（ESD）。日々の臨床、学術活動に関する話題などを共有します。</div></div><div class="clear"></div></div></a></div></div>



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