During bronchoscopy, a doctor advances a flexible endoscope (bronchoscope) through a person's mouth or nose into the windpipe.
The adenoids cannot be seen by looking in the mouth directly, but can be seen with a special mirror or using a flexible endoscope through the nose.
Fibre bundles were originally developed for use in flexible endoscopes.
In 1964, optical fiber technology was applied to one of these early gastrocameras to produce the first flexible fiberoptic endoscope.
He was cited for inventing the flexible fiber-optic endoscope, a device that allows doctors to look into otherwise inaccessible interior regions of the human body.
The use of flexible endoscopes results in a partial loss of spatial orientation and depth perception.
Now, under light anesthesia, a thin flexible endoscope is threaded through the colon to retrieve a small tissue sample, and the patient goes home that day.
He snaked the flexible endoscope into the patient's nose, through the oropharynx and then down his throat.
There are two types of sigmoidoscopy: flexible sigmoidoscopy, which uses a flexible endoscope, and rigid sigmoidoscopy, which uses a rigid device.
Dilatation of benign oesophageal strictures using semi-rigid bougies existed long before the advent of flexible endoscopes.