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	<title>backflow &#8211; BIOENGINEER.ORG</title>
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		<title>Laser-carved microvalves turn brain catheters into one-way streets against backflow</title>
		<link>https://bioengineer.org/laser-carved-microvalves-turn-brain-catheters-into-one-way-streets-against-backflow/</link>
		
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		<pubDate>Tue, 27 Oct 2026 23:29:33 +0000</pubDate>
				<category><![CDATA[Chemistry]]></category>
		<category><![CDATA[3D printing]]></category>
		<category><![CDATA[anti-fouling]]></category>
		<category><![CDATA[backflow]]></category>
		<category><![CDATA[Drug delivery]]></category>
		<category><![CDATA[Femtosecond laser]]></category>
		<category><![CDATA[International Journal of Extreme Manufacturing]]></category>
		<category><![CDATA[liquid diode]]></category>
		<category><![CDATA[microcatheter]]></category>
		<category><![CDATA[microfluidics]]></category>
		<category><![CDATA[passive valve]]></category>
		<category><![CDATA[Shanghai Jiao Tong University]]></category>
		<category><![CDATA[Tesla microvalve]]></category>
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					<description><![CDATA[Researchers at Shanghai Jiao Tong University and Beijing Institute of Technology have used femtosecond laser writing to carve passive Tesla microvalves into 100-micrometer catheter tips, cutting reverse pressure surges by up to 82 percent and keeping channels clear of cells and debris in laboratory tests.]]></description>
		
		
		
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