A method for making a bioprosthetic heart valve includes providing a non-contact cutting apparatus and a layer of tissue. The non-contact cutting apparatus may include a laser cutting system or high pressure water jet system. A leaflet is cut from the layer of tissue using a predefined template, and...http://www.google.com.tw/patents/US7238200?utm_source=gb-gplus-share專利 US7238200 - Apparatus and methods for making leaflets and valve prostheses including such leaflets
