Endoscope having a temperature sensitive memory alloy plate as the treatment instrument driving device
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United States of America Patent
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Jan 24, 1984
Grant Date -
N/A
app pub date -
Jun 30, 1982
filing date -
Jul 13, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An endoscope having a forceps raiser for raising up a treatment instrument, i.e., forceps, which is composed of a shape memory alloy plate varying in shape in accordance with temperature. A power source is connected to the shape memory alloy plate to supply a current to the shape memory alloy plate, thereby heating the shape memory alloy plate, and the shape memory alloy plate, i.e., the forceps raiser is varied in shape to raise the forceps.
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