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Patent Searching and Data


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.

Inventors:
SHIOTANI Koichi (43-2 Hatagaya 2-chome, Shibuya-k, Tokyo 72, 〒1510072, JP)
SAKAI Nagahide (43-2 Hatagaya 2-chome, Shibuya-k, Tokyo 72, 〒1510072, JP)
ITO Hiroshi (43-2 Hatagaya 2-chome, Shibuya-k, Tokyo 72, 〒1510072, JP)
Application Number:
JP2015/086175
Publication Date:
June 29, 2017
Filing Date:
December 25, 2015
Export Citation:
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Assignee:
OLYMPUS CORPORATION (43-2, Hatagaya 2-chome Shibuya-k, Tokyo 72, 〒1510072, JP)
International Classes:
B06B1/06; A61B18/00; H04R17/00
Foreign References:
JP2015211535A2015-11-24
JPS4728880A
JP2015039689A2015-03-02
JP2015208710A2015-11-24
JPH11186626A1999-07-09
JP2008128875A2008-06-05
Attorney, Agent or Firm:
TANAI Sumio et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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