JP2015119740A - イヤプローブ及びインピーダンスオージオメータ - Google Patents
イヤプローブ及びインピーダンスオージオメータ Download PDFInfo
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- JP2015119740A JP2015119740A JP2013263677A JP2013263677A JP2015119740A JP 2015119740 A JP2015119740 A JP 2015119740A JP 2013263677 A JP2013263677 A JP 2013263677A JP 2013263677 A JP2013263677 A JP 2013263677A JP 2015119740 A JP2015119740 A JP 2015119740A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/12—Audiometering
- A61B5/121—Audiometering evaluating hearing capacity
- A61B5/125—Audiometering evaluating hearing capacity objective methods
- A61B5/126—Audiometering evaluating hearing capacity objective methods measuring compliance or mechanical impedance of the tympanic membrane
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- Audiology, Speech & Language Pathology (AREA)
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Abstract
【解決手段】 耳小骨筋反射検査に使用されるインピーダンスオージオメータに用いるイヤプローブ1であって、外耳道からマイクロホン5に至る伝搬経路14に音響フィルタ15を形成し、マイクロホン5に到達する刺激音成分の音圧を下げる。音響フィルタ15は、伝搬経路14に音響抵抗用チューブ6と音響容積7を接続して配設される。音響フィルタ15のカットオフ周波数は、226Hzより大きく500Hzより小さな値である。
【選択図】 図1
Description
Claims (4)
- 耳小骨筋反射検査に使用されるインピーダンスオージオメータに用いるイヤプローブであって、外耳道からマイクロホンに至る伝搬経路に音響フィルタを形成し、前記マイクロホンに到達する刺激音成分の音圧を下げることを特徴とするイヤプローブ。
- 請求項1に記載のイヤプローブにおいて、前記音響フィルタは、前記伝搬経路に音響抵抗用チューブと音響容積を接続して配設されることを特徴とするイヤプローブ。
- 請求項1又は2に記載のイヤプローブにおいて、前記音響フィルタのカットオフ周波数は、226Hzより大きく500Hzより小さな値であることを特徴とするイヤプローブ。
- 請求項1乃至請求項3のいずれかに記載のイヤプローブを備えることを特徴とするインピーダンスオージオメータ。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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JP2013263677A JP5563144B1 (ja) | 2013-12-20 | 2013-12-20 | イヤプローブ及びインピーダンスオージオメータ |
CN201410768809.9A CN104720822B (zh) | 2013-12-20 | 2014-12-12 | 耳用探头和阻抗听力计 |
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JP2013263677A JP5563144B1 (ja) | 2013-12-20 | 2013-12-20 | イヤプローブ及びインピーダンスオージオメータ |
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JP5563144B1 JP5563144B1 (ja) | 2014-07-30 |
JP2015119740A true JP2015119740A (ja) | 2015-07-02 |
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JP (1) | JP5563144B1 (ja) |
CN (1) | CN104720822B (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3335625A1 (en) * | 2016-12-14 | 2018-06-20 | Interacoustics A/S | Ear probe for hearing testing |
CN110974246B (zh) * | 2019-12-05 | 2022-12-02 | 北京市医疗器械检验所 | 一种用于测量耳声阻抗/导纳仪时间特性的装置 |
CN111227842B (zh) * | 2019-12-05 | 2023-03-28 | 北京市医疗器械检验所 | 一种用于耳声阻抗/导纳仪时间特性的测量方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1522031A (en) * | 1975-07-24 | 1978-08-23 | Bennett M | Electroacoustic impedance bridges |
CN85106589B (zh) * | 1985-08-26 | 1988-07-27 | 中国科学院上海生理研究所 | 一种多频率耳声顺图和相移图的同时测试方法和装置 |
JPH02211125A (ja) * | 1988-10-20 | 1990-08-22 | Hitoshi Wada | 中耳動特性表示方法および中耳動特性測定装置 |
JP2001149345A (ja) * | 1999-12-01 | 2001-06-05 | Rion Co Ltd | 耳小骨筋反射測定装置 |
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2013
- 2013-12-20 JP JP2013263677A patent/JP5563144B1/ja active Active
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2014
- 2014-12-12 CN CN201410768809.9A patent/CN104720822B/zh active Active
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Publication number | Publication date |
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CN104720822A (zh) | 2015-06-24 |
CN104720822B (zh) | 2017-09-05 |
JP5563144B1 (ja) | 2014-07-30 |
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