Three-axis magneto-impedance effect sensor system for detecting position and orientation of catheter tip
作者： Masayoshi Esashi , Kentaro Totsu , Yoichi Haga
DOI: 10.1016/J.SNA.2003.11.018
关键词:
摘要: Abstract A catheter-based minimally invasive therapy requires real time information about the position and orientation of a catheter tip for safe operation. To decrease X-ray exposure to provide 3D operators, simple sensor system detecting utilizing earth’s magnetic field ac (10 kHz) transmitted by two-axis source coil is proposed. 2 mm ×2 ×3 mm three-axis MI (Magneto-Impedance effect sensor) fabricated on polymer structure measuring mounted tip. The advantages this are: (1) small size; (2) high sensitivity; (3) retaining through hole. calculated obtained superimposed map blood vessel captured in advance. measurement model has been performed image graphic vessel. obviously indicated where was “y” shape model.
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