Method and device for recording the form of an ear section

A section and equipment technology, which is applied to a part of the field of human ear detection, and can solve the problems of discomfort and trouble for patients

Active Publication Date: 2015-04-15
SIVANTOS PTE LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this procedure is uncomfortable for the patient and generally laborious

Method used

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  • Method and device for recording the form of an ear section

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Embodiment Construction

[0024] The embodiment described in detail below is a preferred embodiment of the present invention.

[0025] The recording device shown in the figure is the optical part of the device according to the invention, for example for acquiring three-dimensional data of the ear canal. The recording device 1 is here designed cylindrically and has a diameter of approximately a few millimeters (for example 2 or 3 mm). Therefore, the imaging device can move freely in the normal human ear canal at least along the axial direction of the ear canal. In the present example, the recording device 1 is connected by means of glass fibers 2 to a laser which generates the light for the measuring beam. Furthermore, the imaging device is connected, for example by means of a plastic light conductor 3 , to an illumination source which provides light for detecting optical features in the ear canal. In the example described, the illumination source and the laser light are located outside the recording ...

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Abstract

The device has receiving device (1) for detecting sizes of two lower sections relative to predetermined optical characteristics of a section to be detected, where the size represents a position. An evaluation device obtains form information of the section to be detected by combination of forms of the lower sections based on detected positions or the sizes representing the position. The receiving device comprises a laser measuring arrangement such as glass fiber (2) and optical lens systems (11, 12). Cone-surface shaped measuring beam (13) is produced by the laser measuring arrangement. The receiving device contains light sources such as laser or LED. An independent claim is also included for a method for detecting form of a section of a human ear, i.e. ear canal.

Description

technical field [0001] The invention relates to a device for detecting the structure of a part of the human ear, in particular the ear canal. Furthermore, the invention relates to a method for detecting ear segments. Background technique [0002] For the production of individual housings for in-the-ear hearing aids or for the production of individual otologic plastics, it is necessary to precisely measure and determine the three-dimensional dimensions of the individual ear canals. [0003] Until now, the structure of the ear canal was usually detected by injecting silicone material into the ear canal. The material hardens after a few minutes. Next, the material is removed from the ear canal and scanned to obtain three-dimensional data. However, this procedure is uncomfortable for the patient and generally laborious. [0004] A method for generating structured light is disclosed in the patent document PCT / EP 2008 / 050929. Contents of the invention [0005] The technical...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/107
CPCA61B5/1079A61B5/1077A61B5/1076
Inventor 弗兰克·福斯特鲁道夫·霍尔兹纳马丁·昆兹尤维·拉斯安顿·希克
Owner SIVANTOS PTE LTD
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