Title:
歯科用治療装置、およびその駆動方法
Document Type and Number:
Japanese Patent JP6989479
Kind Code:
B2
Abstract:
A root canal treatment instrument 100 continues drive of a cutting tool 5 in forward rotation drive until reaching 180 degrees, and when a load applied to the cutting tool 5 is equal to or greater than a reference load, drive of the cutting tool 5 is switched to reverse rotation drive until reaching 90 degrees. In the root canal treatment instrument 100, when a cumulative amount of rotation is equal to or greater than a reference amount of rotation, change to a drive pattern is made, forward rotation drive is continued until reaching 90 degrees, and when a load applied to the cutting tool 5 is equal to or greater than the reference load, drive of the cutting tool 5 is switched to reverse rotation drive until reaching 180 degrees.
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Inventors:
Kazunari Matoba
Kyohei Kato
Kyohei Kato
Application Number:
JP2018216602A
Publication Date:
January 05, 2022
Filing Date:
November 19, 2018
Export Citation:
Assignee:
Morita Manufacturing Co., Ltd.
International Classes:
A61C1/02; A61C1/06; A61C5/44; A61C19/04
Domestic Patent References:
| JP2015083116A | ||||
| JP2003019143A | ||||
| JP2016198191A |
Foreign References:
| EP3338727A1 | ||||
| CN203001146U | ||||
| DE102015114553A1 |
Attorney, Agent or Firm:
Fukami patent office
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