ArticleMicrosystems & nanoengineering2026
Multiplexed catheter-integrated pressure sensing system for endoluminal interventions.
Article in Microsystems & nanoengineering, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Authors and funding
5 authors.
Funding
Abstract
Advances in flexible catheters pave the way for minimally invasive diagnosis and treatment of luminal organs and tubular structures through endoluminal interventions. A key challenge is in establishing non-constraining pressure monitoring at the interfaces between medical catheters and intraluminal anatomy, where catheter-tissue interactions may be influenced by lumen curvature, structural variability, and physiological motion. In this work, we present a scalable and multi-purpose pressure sensing system for multidirectional monitoring of tissue interactions, establishing a robust solution for deploying diagnostic and therapeutic instruments in various types of endoluminal interventions. This approach provides an integrated pressure sensing platform that combines a thin-film piezoelectric sensor array with a bespoke multi-lumen catheter and a custom signal acquisition circuit. The sensor array is fabricated from an ultrathin poly (vinylidene fluoride-co-trifluoroethylene) (P(VDF-TrFE)) film using a multilayer sandwich architecture with patterned gold electrodes, resulting in a flexible device with a total thickness of approximately 20 µm and sensing units as small as 2.25 mm
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.