Title:
DRIVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/171413
Kind Code:
A1
Abstract:
This driving device 3 comprises: a first circuit 5 that joins an AC power supply 100 and a primary winding 351 that configures an output transformer 350; a second circuit 6 that has a pair of electrodes 600A, 600B that are removably connected to an ultrasonic treatment tool 2, and a pair of output lines 610A, 610B that join a secondary winding 352 that configures the output transformer 350, and the pair of electrodes 600A, 600B; and a third circuit 7A, one end of which is connected to the output line 610A and the other end of which is connected to a ground GL. The third circuit 7A has an inductor 720A that is a passive element, and capacitors 700A, 710A that are passive elements connected in series to the inductor 720A.
Inventors:
NAKAMURA HIROTO (JP)
Application Number:
PCT/JP2020/007683
Publication Date:
September 02, 2021
Filing Date:
February 26, 2020
Export Citation:
Assignee:
OLYMPUS CORP (JP)
International Classes:
A61B17/00
Domestic Patent References:
| WO2019146018A1 | 2019-08-01 |
Foreign References:
| JPS6373949A | 1988-04-04 | |||
| JP2003299666A | 2003-10-21 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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