Medical capsule device
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United States of America Patent
Stats
-
Mar 26, 1985
Issued Date -
N/A
app pub date -
Feb 28, 1984
filing date -
Apr 1, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A medical capsule device comprises a capsule body having a chamber formed inside and a communicating path for communicating the chamber with outside, a movable member arranged in the chamber and movable between a liquid-receiving position at which the volume of said chamber is made largest and a liquid-pushing position at which the volume of said chamber is made smallest, and a coiled operating member made of shape memory alloy heated by ultrasonic wave to move the movable member to liquid-receiving and -pushing positions selectively.
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Family
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Cited Art Landscape
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