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Egron S.,Institute of Applied Medical Engineering AME | Kutting M.,Institute of Applied Medical Engineering AME | Marzelle J.,Henri Mondor Hospital | Becquemin J.-P.,Henri Mondor Hospital | And 2 more authors.
Expert Review of Medical Devices | Year: 2016

In the last 30 years, development of minimally invasive percutaneous procedures to treat cardiovascular defects has been thriving. Although these techniques present obvious advantages, like avoiding cardiopulmonary bypass, the passage of catheter systems and the deployment of devices in the blood circulation can cause particle embolization that may result in stroke. In carotid artery stenting, cerebral embolic protection devices (CEPD) such as filtering membranes have been available for already 10 years. In transcatheter aortic valve implantation (TAVI), the development of CEPD is starting and three membrane-based devices are in clinical trials. There are controversial discussions about the efficacy of CEPD in TAVI. The experience with CEPD in carotid artery stenting can help to understand some of the technical issues and shortcomings of current devices and thereby ultimately reduce cerebral complication risks during TAVI procedures. © 2016 Taylor & Francis.


Kutting M.,Institute of Applied Medical Engineering AME | Roggenkamp J.,Institute of Applied Medical Engineering AME | Urban U.,Institute of Applied Medical Engineering AME | Schmitz-Rode T.,Institute of Applied Medical Engineering AME | Steinseifer U.,Institute of Applied Medical Engineering AME
Expert Review of Medical Devices | Year: 2011

Replacement cardiac valves have been in use since the 1950s, and today represent the most widely used cardiovascular devices. One type of replacement cardiac valve, the polyurethane heart valve, has been around since the first stages of prosthesis development, and has made advances along with the development of biological and mechanical heart valves over the past 60 years. During this time, problems with durability and biocompatibility have held back polyurethane valves, but progress in materials and manufacturing techniques can lead the way to a brighter future for these devices and their huge potential. This article describes previous efforts to manufacture polyurethane heart valves, highlights the challenges of manufacturing and explains the factors influencing durability and successful functioning of such a device. © 2011 Expert Reviews Ltd.


PubMed | Institute of Applied Medical Engineering AME and Henri Mondor Hospital
Type: Journal Article | Journal: Expert review of medical devices | Year: 2016

In the last 30years, development of minimally invasive percutaneous procedures to treat cardiovascular defects has been thriving. Although these techniques present obvious advantages, like avoiding cardiopulmonary bypass, the passage of catheter systems and the deployment of devices in the blood circulation can cause particle embolization that may result in stroke. In carotid artery stenting, cerebral embolic protection devices (CEPD) such as filtering membranes have been available for already 10years. In transcatheter aortic valve implantation (TAVI), the development of CEPD is starting and three membrane-based devices are in clinical trials. There are controversial discussions about the efficacy of CEPD in TAVI. The experience with CEPD in carotid artery stenting can help to understand some of the technical issues and shortcomings of current devices and thereby ultimately reduce cerebral complication risks during TAVI procedures.

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