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1. (WO2018050165) CATHETER FOR APPLYING A MEDIUM INTO THE MIDDLE EAR

Pub. No.:    WO/2018/050165    International Application No.:    PCT/DE2017/100777
Publication Date: Fri Mar 23 00:59:59 CET 2018 International Filing Date: Fri Sep 15 01:59:59 CEST 2017
IPC: A61M 25/10
A61M 25/00
Applicants: SPIGGLE, David
THEIS, Detlef
Inventors: SPIGGLE, David
THEIS, Detlef
Title: CATHETER FOR APPLYING A MEDIUM INTO THE MIDDLE EAR
Abstract:
The invention relates to a catheter for applying a medium into the middle ear, comprising a shaft having a distal and a proximal end, an inflatable first balloon, the interior of the first balloon being in communication with a first inflation lumen, an inflatable second balloon which is arranged distally in relation to the first balloon, the interior of the second balloon being in communication with a second inflation lumen, an application lumen having an inlet opening, an outlet opening and a center section that extends from the inlet opening to the outlet opening, the inlet opening being arranged outside of the shaft, the center section extending at least partially through the shaft and the outlet opening being arranged distally in relation to the proximal end of the second balloon, as well as a vent lumen having an inlet opening, an outlet opening and a center section that extends from the inlet opening to the outlet opening, the inlet opening being arranged distally in relation to the proximal end of the second balloon, the center section extending at least partially through the shaft and the outlet opening being arranged outside of the shaft. A medium can be applied into the middle ear by means of a catheter of said type, without that said medium can be discharged via the Eustachian tube and without damaging the auditory ossicles.