Dilation catheter balloon made from pen based homopolymer or...

Details Dilation catheter balloon made from pen based homopolymer or... Dilation catheter balloon made from pen based homopolymer or...

2005-03-15

2005-03-15

Kennedy, Sharon (Department: 3762)

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

C604S103060

Reexamination Certificate

active

06866649

ABSTRACT:
A balloon for a medical device has a structural layer of a highly crystallized PEN polymer material. The PEN polymer material a polyethylene naphthalate homopolymer or a crystallizable copolyester made up of residues of ethylene glycol, naphthalene dicarboxylic acid (NDC) and at least one member of the group (PA) consisting of terephthalic acid and isophthalic acid. The NDC groups make up about 5% or more of the sum of NDC and PA groups in the copolymer. The balloon is characterized by an ability to withstand a hoop stress of at least 35,000 psi without bursting.

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