Abstract
We developed a novel bending sensor for orientation control of hydraulic pressure driven active catheter. At beginning, we proposed and fabricated the bending sensor which was able to be included in the active catheter that was 3.0mm diameter. Some holes fabricated on the surface of a multimode optical fiber diffused light the inside of the fiber depending on curvatures. Measuring amount of light through the bending sensor indicated the bending angle was verified. In addition, we succeeded hydraulic pressure driven active catheter with the bending sensor and measured real time bending angle during control. This simple bending sensor satisfies for many fields such as medical devices and remote sensing because of its safety, microsize and simplicity.
Published Version
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