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Improvements in LED Technology for Endoscope Applications
Release time:
2022-01-18 17:23
An endoscope is a nearly non-invasive medical device used to observe the inside of the human body during surgical procedures and diagnostics (as shown in Figure 1). This method first appeared in the 19th century and has since found more applications, ranging from examinations of external organs such as the ear, nose, and throat to complex surgeries of the gastrointestinal tract, respiratory tract, and spine.
Traditional endoscopes use rigid tubes to guide light, imaging through optical components for human eye observation. This endoscopic technique has a limited insertion depth within the human body.
With the advent of optical fibers, endoscopes began to use flexible tubes, allowing for deeper insertion into the body with minimal impact on surgery. The light collection efficiency of optical fibers is also higher, enabling illumination and observation of anatomical progress. Additionally, RGB electronic cameras have replaced the human eye as detectors, while the light sources have transitioned to broadband xenon lamps and halogen lamps.
In recent years, LED technology has been becoming the light source for endoscopes due to its long lifespan, high stability, and easier integration into endoscopic systems. Combined with the rapidly developing fields of microelectronics and optics, LED lighting has brought various new developments and applications to this field.
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