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Updated: Apr 26, 2026
High-resolution Fiber-optic Microendoscopy for in situ Cellular Imaging
Published on: January 11, 2011
Portable wireless power transmission system for video capsule endoscopy
Jia Zhiwei1, Yan Guozheng, Zhu Bingquan
1College of Electrical and Information Engineering, Changsha University of Science and Technology , Changsha , PR China and.
This study introduces a portable wireless power system for wireless capsule endoscopy (VCE). The compact system enables extended VCE diagnosis without patient immobility, improving diagnostic efficiency.
Area of Science:
- Biomedical Engineering
- Wireless Power Transfer
- Medical Imaging
Background:
- Wireless capsule endoscopy (VCE) faces power limitations.
- Current VCE power solutions require patients to remain stationary, limiting diagnosis duration and patient comfort.
Purpose of the Study:
- To develop a portable wireless power transmission system for VCE.
- To enable prolonged VCE examinations without patient immobility.
Main Methods:
- Designed a compact transmitting coil (28 turns) and a portable inverter circuit.
- Utilized rechargeable batteries for the portable power system.
- Optimized coil coupling for stability and safety.
Main Results:
- The integrated system powered a dual-head VCE for over 8 hours.
- Achieved a frame rate of 30 fps with 320x240 resolution.
- Demonstrated continuous power supply for extended VCE diagnosis.
Conclusions:
- The portable wireless power system enhances VCE capabilities.
- The system shows potential for clinical applications, requiring further development and testing.
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