Longitudinally-steerable structure and endoscope comprising said structure
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United States of America Patent
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Apr 5, 2011
Grant Date -
Oct 19, 2006
app pub date -
Jan 15, 2004
filing date -
Jan 15, 2003
priority date (Note) -
Expired
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Abstract
The invention relates to a longitudinally-steerable structure, comprising essentially longitudinal actuators made from shape memory alloy, Peltier effect elements with N and P doping and electrical control device. The above is characterized in that the actuators are arranged in pairs in an antagonistic manner, each actuator being connected at the ends thereof with a Peltier effect element with N doping and a Peltier effect element with P doping respectively. The invention further relates to an endoscope comprising at least one such structure.
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