Catheter design primer for neurointerventionalists.

Neurovascular catheter technology has rapidly evolved over the past decade. While performance characteristics are well known to the practitioner, the design features of these new-generation catheters and their implications on performance metrics remain a mystery to most clinicians due to the limited number of available resources. This knowledge gap hampers informed device choices and also limits collaboration between clinicians and engineers. To aid fellow neurointerventionalists, in this primer we have summarized the basic concepts of catheter design and construction.

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© Author(s) (or their employer(s)) 2023. No commercial re-use. See rights and permissions. Published by BMJ.

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Competing interests: DFK received research support from Cerenovus, Insera Therapeutics, Medtronic, Microvention, Balt, Monarch Biosciences, Brainomix, MiVi, Stryker, and royalties from Medtronic, has ownership interests in Nested Knowledge, Superior Medical Experts, Marblehead Medical, Conway Medical, Monarch Biosciences, Piraeus Medical, serves in advisory boards of NoNo Inc. and Vesalio. MR received research support from Medtronic and Balt and served as a consultant to Anaconda Biomed, Medtronic, Cerenovus, Stryker, Philips, Apta Targets, received Honoria from Boehringer Ingelheim, Ischemia View, Balt, and serves on an advisory board of Sensome. OC received research support from, and has ownership interest in Laboratorios ERN S.A. JL received honoria from Medtronic.