Devices and methods for removal of acute blockages from blood vessels

US11446045B2 · kind B2 · utility

Assignee

• NEURAVI LIMITED · IE

Inventors

• David Vale · Dublin, IE
• Brendan Casey · Barna, IE
• Micheal GILVARRY · Galway, IE
• Kevin McArdle · Norristown, US
• Maeve HOLIAN · Galway, IE
• David HARDIMAN · Dublin, IE
• Alan Keane · Dublin, IE
• Daniel R. King · Oranmore, IE

Key dates

• Filing date: Jul 9, 2019
• Grant date: Sep 20, 2022
• Expiry date: Mar 12, 2040

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61M2210/12
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A system for assisting in the retrieval of a clot from a vessel. The system can include an outer catheter and an inner catheter disposed in a lumen of the outer catheter. The inner catheter can include a distal end, a proximal end, a distal segment, a proximal segment, and a lumen extending proximal of the distal end and terminating at a transfer port at the proximal end of the distal segment. A seal is located on the outer surface of the inner catheter distal of the transfer port, the seal capable of sealing against the lumen of the outer catheter so that aspiration applied through the outer catheter is configured to be transferred to the inner catheter.