Thermoplastic Polyesters in Medical Devices

Polyethylene terephthalate (PET) is most commonly used in medical devices such as sutures and implantable textiles.  Polybutylene terephthalate (PBT), an alternative thermoplastic polyester, is also used in medical devices such as injection molded connectors for pulse oximeters, tips for electrosurgical instruments and clips for breathing masks. Polyesters are produced by reacting terephthalic acid with alcohol. […]