Microwave surgical instrument
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United States of America Patent
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Nov 24, 2020
Grant Date -
Jul 10, 2014
app pub date -
Aug 9, 2012
filing date -
Aug 10, 2011
priority date (Note) -
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Abstract
It is an object to provide a surgical instrument capable of locally applying microwaves to a minute biological tissue. It has been found that microwaves can be transmitted to a tip of a tapered coaxial body (9) and that microwaves are radiated from the entire central conductor exposed in a major axis direction by decreasing a sectional area (preferably diameter) of a central conductor (1) and a sectional area (preferably inner diameter) of an external conductor gradually or in a step-by-step manner with a ratio between the sectional area (diameter) of the central conductor (1) and the sectional area (inner diameter) of the external conductor being set to be constant, thereby achieving the present invention.
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