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Textile Research Journal
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Textile Heartvalve Prosthesis: Manufacturing Process and Prototype Performances

Frédéric Heim

LPMT CNRS UMR 7189/Geprovas, Ensisa rue Alfred Werner Mulhouse, France, frederic.heim{at}uha.fr

Bernard Durand

LPMT CNRS UMR 7189/Geprovas, Ensisa rue Alfred Werner Mulhouse, France

Nabil Chakfe

Geprovas, CHU Service Chirurgie Cardiaque Strasbourg, France

A textile heart valve prosthesis is manufactured by forming fabric in such a way as to obtain a valve geometry close to that of the native valve. The forming process leads to optimal closing geometry and limited deformation of the fabric structure during manufacture. The hydrodynamic performance of a fabric heart valve prototype is measured and compared with other commercially available heart valve prosthesis types. In vitro performance of the prototype is evaluated using a pulse duplicator simulating the left side of the human circulatory system, with a 70 ml cardiac output at a constant heart rate of 70 beats/min under a mean diastolic pressure of 100 Hg mm.

Key Words: heart valve prosthesis • fabric heart valve • textile heart valve • fabric forming

Textile Research Journal, Vol. 78, No. 12, 1124-1131 (2008)
DOI: 10.1177/0040517508092007
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