Endoscope system
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United States of America Patent
Stats
-
Sep 6, 1983
Grant Date -
N/A
app pub date -
Nov 13, 1980
filing date -
Nov 22, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An endoscope system comprises an endoscope provided with passages through which air and water are supplied and sucked and pumps for conducting air and water through the corresponding passages. The control section of the endoscope is provided with switches for generating electrical signals to freely preset the flow rates of air and water. Tubes for connecting pumps to the air passages are provided with valves for controlling the flow rates of air and water. The valves are opened by a servo motor driven by a servo motor drive circuit in accordance with the signal levers of the electrical signals issued from the switches.
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