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Fibre Optic Sensing : Medical

The main reasons to work with Fibre Bragg Grating technology instead of conventional methods in medical applications are that FBG’s and fibres are very robust, easy to clean and flexible. The fibres can survive in harsh environments such as chemical substances and high temperatures. Our sensors and systems are ideal for accurate measurements of forces and pressure for minimal / non-invasive surgery.

The object of the Piton project was to develop steerable MRI compatible robotic instruments with precise force sensing for accurate tissue characterization and dexterous navigation in percutaneous interventions. As a study object within this project, a needle has been equipped with 3 optical fibres, each of them with 3 Fibre Bragg Grating sensors. These strain measurements performed with these sensors are directly related to a three dimensional needle deflection allowing a computed deflection reconstruction.

Application note shape sensing available at: TFT_APPNOTE - Shape Sensing

Video shape sensing available at: http://youtu.be/5i6bGuld-EA

Article (Dutch) steerable needle available at: http://www.tudelft.nl/nl/actueel/laatste-nieuws/artikel/detail/de-dokter-krijgt-een-robotgestuurde-naald/

The photonic NanoPhone, an all-optical array receiver containing several hundreds of small and sensitive yet inexpensive acoustic sensors, will be beneficial to at least two important medical applications. Article all-optical array receiver available at: http://www.dutchphotonics.nl/assets/Uploads/Photonic-NanoPhoneIPD100026.pdf