Device for assisting cardiac function

US5848962A · kind A · utility

Assignee

• Max-Planck-Gesellschaft zur Föderung der Wissenschaften e.V. · US

Inventors

• Peter Feindt · Homburg, DE
• Emmeran Gams · Homburg, DE
• Uwe Straub
• Arif Kazi · Aalen, DE

Key dates

• Filing date: Nov 22, 1995
• Grant date: Dec 15, 1998
• Expiry date: Nov 22, 2015

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61M2205/3303
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

Disclosed is a device for assisting cardiac function having the following atures: PA1 at least one half-shell is provided, the interior and exterior contours of which are designed in such a manner that it can be inserted into the human thorax in such a manner that it at least partially surrounds the heart with the exception of the arteries leading to and away from the heart, PA1 in or at the half-shell respectively half-shells is situated at least one filling chamber which can be inflated with gas and is propped by the shell, PA1 a control unit controls a pneumatic drive which fills and empties the individual filling chambers in such a manner that said filling chambers press at least on the left ventricle synchronously with cardiac activity in such a manner that blood is pressed into the aorta.