TRANSMISSION DEVICE FOR INTRODUCING LIGHT INTO AN EAR

Title:

TRANSMISSION DEVICE FOR INTRODUCING LIGHT INTO AN EAR

Document Type and Number:

WIPO Patent Application WO2004018040

Kind Code:

A3

Abstract:

The invention relates to a transmission device for introducing optical radiation into the ear, comprising an optical wave guide which connects a light source to an ear holder in order to output said radiation. Said ear holder (10) comprises a first transition piece (11), preferably embodied in an elbow-shaped manner, wherein the end area of the optical wave guide (20) is maintained, and a retaining bar (12) which can be introduced into the transition piece (11) and can be bent in such a manner that the outlet (22) of the optical wave guide (20) can be positioned on the ear. A second transition piece (30), which is conically tapered on the inside and which is at least partially used as a focus bushing for the laser beam is provided in order to inject the optical radiation, preferably laser radiation, into the optical wave guide (20). The optical wave guide (20) is positioned in the second transition piece in such a manner that the focus area (F) of the laser beam produced in the focus bushing is disposed directly in front of the inlet of the optical wave guide (20).

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Inventors:

MAYER-GINDNER ANDREAS (DE)
GRANGET WINFRIED (DE)
MIHAI MARIUS-KURT (DE)

Application Number:

PCT/DE2003/002732

Publication Date:

April 29, 2004

Filing Date:

August 14, 2003

Export Citation:

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Assignee:

HT INTERNAT AG (DE)
MAYER-GINDNER ANDREAS (DE)
KLINGBEIL FURCH AGNES (DE)
GRANGET WINFRIED (DE)
MIHAI MARIUS-KURT (DE)

International Classes:

A61F9/007; A61N5/06; G02B6/42; A61N5/067; (IPC1-7): A61N5/06; A61F11/00

Foreign References:

DE3743104A1	1988-10-20
DE29508844U1	1995-10-12
DE29808193U1	1998-08-13
DE9402306U1	1994-06-01
US3995935A	1976-12-07
US3437804A	1969-04-08
US4944567A	1990-07-31
US5815620A	1998-09-29

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