A device for the internal inspection of hard-to-get-at mechanical parts, such as rifle barrels, sewer pipes, oil wells, or gas mains. The long narrow tube used contains a telescope system with as many relay lenses as necessary. A lamp located in...

A GRIN (gradient index) lens is a type of optical lens that utilizes a gradient in refractive index across its volume rather...

A technique of using dyes during endoscopy to improve tissue differentiation. Dyes such as methylene blue, Toluidine blue...

An image intensifier, also known as an image intensification tube or image intensification device, is a specialized...

A fiber optic imaging bundle is a specialized optical device composed of multiple optical fibers bundled together. Each...

A coherent fiber bundle (CFB), also known as a coherent fiber optic bundle, is an assembly of multiple optical fibers...

The photographing of objects within generally inaccessible areas using endoscopes with camera attachments.

An endoscope is a medical device used for visualizing and examining the interior of hollow organs, body cavities, or...

Laser lithotripsy is a medical procedure that uses laser energy to break down or fragment stones in various parts of the...

An endoscope used for the visual examination of the bladder.

A small fiber optic endoscope used in laser surgery.