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Medical Instrumentation: Flexible Endoscope

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Medical Instrumentation: Flexible Endoscope

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Questions and Answers

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

To directly view the area under investigation

To prevent leakage of light from the fibers

To analyze the tissue sample using a pathologist

To take a sample of tissue for analysis (correct)

What is the approximate diameter of each glass fiber in a fiberoptic bundle?

1 μm

5 μm

20 μm

10 μm (correct)

What is the advantage of fiberoptic bundles?

They are used for direct viewing

They have a large diameter

They provide a high-quality image similar to a rigid lens system

They are extremely flexible and can be tied in a knot (correct)

What is the primary difference between a fiber-endoscope and a video-endoscope?

The method of image transmission Signup and view all the answers

What is the limitation of fiberoptic bundles?

The image quality is limited Signup and view all the answers

What is the advantage of video-endoscopes?

They have improved image quality and can be viewed through a monitor Signup and view all the answers

What is the purpose of the glass coating on individual glass fibers?

To prevent leakage of light from within the fiber Signup and view all the answers

What is the result of the space between the fibers in a fiberoptic bundle?

A dark 'packing fraction' Signup and view all the answers

What is the limitation of video-endoscopes?

They cannot be used for direct viewing Signup and view all the answers

What is the purpose of biopsy forceps in an endoscopic procedure?

To take a sample of tissue for analysis Signup and view all the answers