Viewing method and apparatus particularly useful for viewing the interior of the large intestine
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United States of America Patent
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Oct 13, 1998
Grant Date -
N/A
app pub date -
Mar 22, 1995
filing date -
Mar 24, 1994
priority date (Note) -
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status (Latency Note)
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Abstract
An optical viewing device includes a housing of a size and shape for introduction into the large intestine of a subject and for movement therein in either direction, and an image transducer located within the housing for converting optical images into electrical signals. Various embodiments are described in which the housing is of a size and shape for movement by its own weight in either direction in the intestine, or in which the housing includes an electric motor driving propelling means for propelling the housing through the intestine, or in which the housing is carried at one end of a rod of a length such that a user may grasp the opposite end and manipulate the housing to scan the interior surface of the intestine.
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