a method of non - delaminably bonding a non - porous thermoplastic elastomer to a substrate by heating a bilayer of the elastomer and the substrate for a predetermined time and a product obtained by the method . methods for producing non - delaminable conduits and non - delaminable kink - resistant conduits constructed of biocompatible elastomers and substrates , and products produced by these methods are taught . methods , products , and articles of manufacture relating to non - delaminable monofilament supported kink - resistive conduits that may be used as inflow conduits in left ventricular assist devices for treatment of heart failure are also provided .