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1.发明授权公开(公告)号：US11019437B2
公开(公告)日：2021-05-25
申请号：US16525904
申请日：2019-07-30
Applicant: SIVANTOS PTE. LTD.
Inventor： Johannes Kuhn , Stefanie Beyfuss , Lars Clad , Tobias Bayer
Abstract: A dome for retaining a hearing device or hearing device part in the ear of a user wearing the hearing device. The dome includes, or is composed of, an indicator material that changes perceptibly as a function of a duration of use of the dome. Based on the change in the indicator material, it is possible to ascertain that a recommended maximum duration of use of the dome has been exceeded.
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