Balloon catheter and fluid management system thereof

US10926067B2 · kind B2 · utility

Assignee

• CardioFocus, Inc. · US

Inventors

• Gerald Melsky · Lexington, US
• Brian Estabrook · Foxborough, US
• Lincoln Baxter · Mashpee, US
• Sergei Babko-Malyi · Marlborough, US
• Ronald L. Green · Bethel, US
• Paul DiCeare · Marlborough, US
• Richard Clark · Marlborough, US
• Richard A. Thompson, II · St. Louis Park, US
• Michael Magill · Northborough, US
• Burke Barrett · Marlborough, US

Key dates

• Filing date: Jan 5, 2018
• Grant date: Feb 23, 2021
• Expiry date: Aug 2, 2039

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61M2025/0003
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

Systems and methods for controlling fill media in a balloon catheter are disclosed. The system comprises a catheter having an inflatable balloon, a reservoir for fill media, and a first conduit for delivering fill media from the reservoir to the balloon. The system includes a second conduit for returning fill media from the balloon to the reservoir and a pump configured to circulate fill media through the conduits. The system also includes a valve assembly configured for placement in at least three positions. In the first position, fill media is delivered from the reservoir to the balloon to inflate the balloon. In the second position, fill media is drawn out of the balloon and returned to the reservoir. In the third position, fill media circulates through the conduits between the pump and the balloon and is prevented from flowing back to the reservoir.