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Design and Development of Simple and Low-cost Light Source for Laparoscopic Surgery
Dikshya Chhetri1, Shruti Bhandari1, Aishwarya Shahi Thakuri1
1Department of Science and Technology, College of Biomedical Engineering and Applied Sciences, Kathmandu, Nepal.
Journal of Nepal Health Research Council
|December 23, 2022
Summary
A cost-effective laparoscopic light source device was developed in Nepal, offering superior illumination and minimal heat. This innovation significantly reduces costs for medical procedures in the region.
Area of Science:
- Biomedical Engineering
- Medical Devices
- Surgical Technology
Background:
- Existing laparoscopic light sources are prohibitively expensive and unavailable in Nepal.
- There is a critical need for affordable and functional surgical illumination systems in the region.
Purpose of the Study:
- To design and develop a cost-effective light source device for laparoscopic surgery.
- To ensure the developed device meets essential performance parameters including illumination, color, and thermal stability.
Main Methods:
- Device design utilizing Sketchup software.
- Assembly of a system incorporating a dual switched-mode power supply (3-4V for LEDs, 12V for system) and cooling technology.
- Rigorous device testing to evaluate performance metrics.
Main Results:
- The device delivers focused light via a coupler to the fiber optic cable, achieving illumination levels >50,000 Lux.
- Minimal temperature increase observed (1°C in 1 hour, max 3°C).
- Emits cool white light (5700K) with a high color rendering index (92).
Conclusions:
- The developed light source is four times more affordable than comparable devices in Nepal.
- This represents the first indigenous development of such a medical device in Nepal.
- The device offers a viable, cost-effective solution for laparoscopic surgery in Nepal.
