Title:
ULTRASONIC OSCILLATOR AND ULTRASONIC MEDICAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/109929
Kind Code:
A1
Abstract:
An ultrasonic oscillator, provided with: a piezoelectric body part in which a plurality of piezoelectric bodies is arranged in the lamination direction and bonded; and a metal block bonded to an end part of the piezoelectric body part in the lamination-direction. The metal block-facing bonded surface of the piezoelectric body nearest to the metal block from among the plurality of piezoelectric bodies and/or the block-bonded surface of the metal block, the block-bonded surface being bonded to the piezoelectric body part, has a non-bonded region capable of moving relative to the piezoelectric body or the metal block to which the bonded surface or the block-bonded surface is bonded.
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Inventors:
SHIOTANI KOICHI (JP)
SAKAI NAGAHIDE (JP)
ITO HIROSHI (JP)
SAKAI NAGAHIDE (JP)
ITO HIROSHI (JP)
Application Number:
PCT/JP2015/086175
Publication Date:
June 29, 2017
Filing Date:
December 25, 2015
Export Citation:
Assignee:
OLYMPUS CORP (JP)
International Classes:
B06B1/06; A61B18/00; H04R17/00
Foreign References:
| JP2015211535A | 2015-11-24 | |||
| JPS4728880A | ||||
| JP2015039689A | 2015-03-02 | |||
| JP2015208710A | 2015-11-24 | |||
| JPH11186626A | 1999-07-09 | |||
| JP2008128875A | 2008-06-05 |
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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