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22 March 2007 C-view omnidirectional endoscope for minimally invasive surgery/diagnostics
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A novel omnidirectional endoscope which covers a field-of-view of ±135° away from the optical axis and 360° panoramically (3π steradians) can significantly improve the visual reality for in-vivo minimally invasive surgery and diagnostics. The inventive integration of a wide angle objective lens and catadioptric optics provides an omnidirectional viewing angle without severe optical distortion. Optical fibers/LEDs are used for illumination of the entire field-of-view. The omnidirectional viewing capability of this endoscope enables the user to visualize and relate positions in the entire operating field eliminating the need for registration when using multiple scopes. It also prevents repetitive insertions of conventional endoscopes with different direction of view and reduces the risk of misguidance due to the limited field-of-view of conventional endoscopes.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jiayin Ma, Michelle Simkulet, and Jason Smith "C-view omnidirectional endoscope for minimally invasive surgery/diagnostics", Proc. SPIE 6509, Medical Imaging 2007: Visualization and Image-Guided Procedures, 65090C (22 March 2007);

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