Expandable introducer sheath

US10398469B2 · kind B2 · utility

Assignee

• Creganna Unlimited Company · IE

Inventors

• James Coyle · Somerville, US
• Bernard McDermott · Ballinamore, IE
• Brendan Marrinan · Galway, IE
• Liam Farrissey · Bray, IE
• Adam Szczepanski · Galway, IE

Key dates

• Filing date: Jul 15, 2016
• Grant date: Sep 3, 2019
• Expiry date: Oct 29, 2036

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61M2025/0024
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

An expandable introducer sheath for use in interventional procedures. The expandable introducer sheath can be inserted into a treatment vessel in a first unexpanded configuration. The expandable introducer sheath can expand in diameter during insertion of a device through its main lumen and can then re-collapse down to its unexpanded diameter. The device comprises an inner heat-set folded layer and an outer elastomeric layer. The outer elastomeric layer provides a barrier between the inner folded layer and a vessel wall during unfolding of the inner folded layer to minimize the risk of vessel trauma.