Title:
POWER SUPPLY DEVICE AND SURGICAL SYSTEM
Document Type and Number:
WIPO Patent Application WO/2017/158723
Kind Code:
A1
Abstract:
A power supply device (100) for supplying power to a treatment tool (200) is provided with: a direct current voltage source (120) that outputs a direct current voltage; and a DC-AC conversion unit (140) that converts a direct current voltage into an alternating current voltage. The DC-AC conversion unit (140) includes: a switch circuit (141) that is provided with a gallium nitride field effect transistor (151); a transformer (152); and a capacitor (154) and an inductor (153) for reshaping an output waveform by the switch circuit (141).
Inventors:
TAKAMI SADAYOSHI (JP)
Application Number:
PCT/JP2016/058149
Publication Date:
September 21, 2017
Filing Date:
March 15, 2016
Export Citation:
Assignee:
OLYMPUS CORP (JP)
International Classes:
H02M7/48
Domestic Patent References:
| WO2013136415A1 | 2013-09-19 |
Foreign References:
| JPH06327257A | 1994-11-25 | |||
| JPS61125324A | 1986-06-13 | |||
| JP2007325467A | 2007-12-13 | |||
| JP2015185618A | 2015-10-22 |
Attorney, Agent or Firm:
KURATA, Masatoshi et al. (JP)
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