Steerable catheter with piezoelectric transducer

US11617860B2 · kind B2 · utility

Assignee

• KONINIKLIJKE PHILIPS N.V. · NL

Inventors

• Ramon Quido Erkamp · Swampscott, US
• Ameet Kumar Jain · Boston, US
• Haytham Elhawary · New York, US
• Alvin Chen · Cambridge, US
• Shyam Bharat · Arlington, US
• Kunal Vaidya · Boston, US

Key dates

• Filing date: Feb 13, 2019
• Grant date: Apr 4, 2023
• Expiry date: Apr 1, 2040

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61M2205/0294
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A steerable medical catheter includes a tubular body having a longitudinal axis and a distal portion for insertion into a subject, a first pull wire, a second pull wire, and a piezoelectric transducer. The piezoelectric transducer includes a first electrode and a second electrode. At the distal portion of the catheter the first pull wire and the second pull wire are each mechanically coupled to the tubular body at respective first and second offset positions with respect to the longitudinal axis for imparting a curvature on the distal portion of the catheter. At the distal portion of the catheter the first pull wire is electrically connected to the first electrode of the piezoelectric transducer and the second pull wire is electrically connected to the second electrode of the piezoelectric transducer.