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Acceptance and introduction of disruptive technologies – simple steps to build a fully functional pulmonary valved stent

Division of Cardiovascular Surgery, University Hospital of Lausanne, CHUV, Switzerland

*Corresponding author. Service de Chirurgie Cardiovasculaire, Centre Hospitalier Universitaire Vaudois CHUV, 1011 Lausanne, Switzerland, Tel.: +41 21 314 2421; fax: +41 21 314 2278.

E-mail address: huberch{at}gmail.com (C.H. Huber).

Valved stents are new land for cardiac surgeons even though they are being used more frequently by interventional disciplines. This paper presents simple steps to build a patient-specific pulmonary valved stent and its delivery device. The design concept was tested by random participants at a med-tech meeting. The valved stent is constructed by linking an endoprosthetic graft with a valved-jugular-vein. The delivery device is made from a modified 5-ml syringe. Of 72 participants, 66 (92%) built and 60 participants implanted the device successfully into the targeted pulmonary position via a trans-infundibular access.

Key Words: Valved stent; Percutaneous valve replacement; Pulmonary valve replacement; Off-pump; Minimally invasive valve surgery; Congenital cardiac surgery; Right ventricular outflow tract reconstruction