Patent ID: 6592550
Filing Date: 2003-07-15
Classification: A61L,C08F,C08G

Abstract:
A medical device comprising:a catheter shaft; and an expandable balloon carried by the catheter shaft; wherein the balloon comprises an irradiation cross-linked mixture of a polyamide elastomer and at least one additional cross-linking reactant, the cross-linking reactant comprising: (a) a difunctional material selected from the class consisting of diallyl adipate; diallyl carbonate; diallyl maleate; diallyl succinate; diallyl tetrabromophthalate; diethyl diallylmalonate; dimethyl diallylmalonate; and 2,2,6,6-tetrabromobisphenol A diallyl ether; (b) a trifunctional material selected from the class consisting of 2,5-diallyl-4,5-dimethyl-2-cyclopenten-1-one; diallyl fumarate; diallyl itaconate; 1,3,5-triallyl-2-methoxybenzene; triallyl trimesate (triallyl 1,3,5-benzenetricarboxylate); triallyl trimellitate (triallyl 1,2,4-benzenetricarboxylate); and pentaerythritol triallyl ether; (c) a tetrafunctional material selected from the class consisting of tetraallyl cis,cis,cis,cis-cyclopentane-1,2,3,4-tetra-carboxylate; and N,N,Nâ€²,Nâ€²-tetraallylethylenediamine; or (d) an aromatic molecule containing at least two ring substituents, each of the ring substituents having labile hydrogens at a benzylic site therein.