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Lasers Med Sci. 2009 Jul;24(4):621-6. doi: 10.1007/s10103-008-0608-5. Epub 2008 Sep 9.

Catheters: instrumental advancements in biomedical applications of optical fibers.

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  • 1Instituto de Pesquisa e Desenvolvimento, Universidade do Vale do Paraíba, Bairro Urbanova, São José dos Campos, São Paulo, Brazil.


This review is focused on the advancements in biomedical engineering regarding the elaboration of new prototypes of optical fiber catheters to be applied in spectroscopic analysis, such as Raman and fluorescence spectroscopy. Our group has contributed to the development of new prototypes with interesting properties, such as side-viewing signal excitation and collection, distal tip with bending control, and Raman scattering minimization from the optical fiber. In addition, several groups have contributed to other new catheter-improving properties of this spectroscopic device. However, a relatively small number of studies has been published in the literature, due to industrial interest in this interdisciplinary and multidisciplinary area. To our knowledge, no review that has focused on the applications of catheters to several modes of spectroscopy has been published. In this work we revised this topic, analyzing the advancements and limitations of the recent biomedical catheters.

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