Ablation catheter with flexible tip

US8790341B2 · kind B2 · utility

Assignee

• St. Jude Medical, Atrial Fibrillation Division, Inc. · US

Inventors

• Carlo Pappone · Merate, IT
• Alan de la Rama · Cerritos, US
• Peter Chen · Irvine, US
• Cary Hata · Irvine, US
• Jared Shimizu · Orange, US

Key dates

• Filing date: Jun 5, 2013
• Grant date: Jul 29, 2014
• Expiry date: Jun 5, 2033

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L2201/12
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A flexible tip electrode for an ablation catheter is disclosed. The catheter includes a catheter body and a hollow elongate tip electrode disposed at a distal end of the catheter body. The electrode includes a sidewall provided with one or more elongate gaps extending therethrough. The one or more elongate gaps providing flexibility in the sidewall for bending movement of the tip electrode relative to a longitudinal axis of the catheter body.