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Eustachian tube dilation catheter with depth indicia

Grant US12582808B2 Kind: B2 Mar 24, 2026

Assignee

Acclarent, Inc.

Inventors

Fatemeh Akbarian, Jetmir Palushi

Abstract

A surgical system and method are used to position a guidewire within an anatomical passageway includes the guidewire, a dilator, a reference feature, and a marker. The guidewire has a guidewire body extending to a distal body end portion. The dilator is secured on the distal body end portion and configured to expand from a contracted state to an expanded state. The dilator in the contracted state is configured to pass through an isthmus of a Eustachian tube. The dilator in the expanded state is configured to dilate the Eustachian tube. The reference feature secured relative to the guidewire, and the marker is positioned on the guidewire a predetermined distance from the reference feature. Thereby, the marker is configured to indicate the predetermined distance to an operator for determining a depth of the reference feature in the anatomical passageway.

CPC Classifications

A61M 2025/0008 A61M 2025/0166 A61M 2025/09008 A61M 2025/09175 A61M 2025/09183 A61M 2025/1061 A61M 2029/025 A61M 2205/502 A61M 2210/0675 A61M 25/0105 A61M 25/0108 A61M 25/09 A61M 29/02

Filing Date

2023-06-15

Application No.

18210156

Claims

19