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Electronically integrated microcatheters based on self-assembling polymer films
Authors
Farzin Akbar
Azaam Aziz
+10 more
Christian Becker
Aleksandr Egunov
Daniil Karnaushenko
Dmitriy D Karnaushenko
Mariana Medina-Sánchez
Ronald Naumann
Boris Rivkin
Oliver G Schmidt
Rudolf Schäfer
Balram Singh
Publication date
1 January 2021
Publisher
Washington : American Association for the Advancement of Science (A A A S)
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Abstract
Existing electronically integrated catheters rely on the manual assembly of separate components to integrate sensing and actuation capabilities. This strongly impedes their miniaturization and further integration. Here, we report an electronically integrated self-assembled microcatheter. Electronic components for sensing and actuation are embedded into the catheter wall through the self-assembly of photolithographically processed polymer thin films. With a diameter of only about 0.1 mm, the catheter integrates actuated digits for manipulation and a magnetic sensor for navigation and is capable of targeted delivery of liquids. Fundamental functionalities are demonstrated and evaluated with artificial model environments and ex vivo tissue. Using the integrated magnetic sensor, we develop a strategy for the magnetic tracking of medical tools that facilitates basic navigation with a high resolution below 0.1 mm. These highly flexible and microsized integrated catheters might expand the boundary of minimally invasive surgery and lead to new biomedical applications. Copyright © 2021 The Authors, some rights reserved
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Repositorium für Naturwissenschaften und Technik
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oai:oa.tib.eu:123456789/8193
Last time updated on 23/07/2022
MPG.PuRe
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oai:pure.mpg.de:item_3369980
Last time updated on 17/03/2022