Impeller housing for percutaneous heart pump

US8485961B2 · kind B2 · utility

Assignees

• Thoratec Corporation · US
• The Penn State Research Foundation · US

Inventors

• Robert L. Campbell · Port Matilda, US
• Keif M. Fitzgerald · San Jose, US
• William James Harrison · Temecula, US
• Boris Leschinsky · Mahwah, US
• Thomas M. Mallison · State College, US
• Mark W. McBride · Bellefonte, US
• Adam Roslund · Monroeville, US
• Daniel A. Walters · Denville, US
• Phyllis Yuen · Fremont, US

Key dates

• Filing date: Jan 4, 2012
• Grant date: Jul 16, 2013
• Expiry date: Jan 4, 2032

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61M2025/0096
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

Disclosed herein are heart pumps that include a catheter assembly and that can be applied percutaneously. Some embodiments include a locking device that prevents components of the catheter assembly from being separated when in use. The catheter assembly can include an expandable tip. In some embodiments, the catheter assembly includes a housing having a wall structure, a portion of which can have a bulbuous shape or can be deformable. In other embodiments, the housing can be configured to reduce fluttering or deflection of the housing and/or to maintain a gap between the housing and an impeller blade disposed therein.