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Endoscope Design and Functionality

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Questions and Answers

What is the main purpose of inserting an endoscope through an incision or opening in the body?

To take a sample of tissue for analysis

To examine the area under investigation (correct)

To remove foreign objects

To repair damaged tissues

What is the purpose of biopsy forceps in endoscopy?

To provide light during the procedure

To take a sample of tissue for analysis (correct)

To hold the endoscope in place

To clean the endoscope

What is the typical diameter of the fine glass fibers in a fiberoptic instrument?

1 mm

100 μm

10 μm (correct)

1 μm

Why do fiberoptic instruments have a 'packing fraction'?

Due to the space between the fibers Signup and view all the answers

What is an advantage of fiberoptic bundles?

They are extremely flexible Signup and view all the answers

What is a limitation of fiberoptic bundles?

The image quality can never equal that of a rigid lens system or a video-endoscope Signup and view all the answers

What is the main difference between a fiberoptic endoscope and a video-endoscope?

The way the image is transmitted Signup and view all the answers

What is an advantage of video-endoscopes?

They have improved image quality Signup and view all the answers

What is a limitation of video-endoscopes?

They cannot be used without a monitor Signup and view all the answers

What is the purpose of the CCD chip in a video-endoscope?

To transmit the image Signup and view all the answers