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RADEL(reg) R polyphenylsulfone is used in medical devices because of its impact and chemical resistance, and can withstand repeated sterilizations without a degredation of its mechanical properties. The material is used in the Somnoplasty(TM) procedure for upper-airway disturbances, based on radiofrequency thermal ablation.

Amoco Polymers Inc., 4500 McGinnis Ferry Rd., Alpharetta, GA 30005, FAX (770) 772-8730.

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