Accessing Arteries for PTCA Procedures

Percutaneous Transluminal Coronary Angioplasty (PTCA) procedures begin with accessing a major artery. As these arteries provide critical blood supply to the body, a conventional incision would be life threatening. In 1953 Swedish radiologist Dr. Sven-Ivar Seldinger...

PTCA and PTA Procedures

Heart attacks are frequently the result of a narrowing of the blood vessels that provide oxygen and nutrients to heart tissue and muscles. This narrowing is referred to as stenosis. Opening these stenotic vessels is commonly performed by small-diameter vascular...

Applications for Medical Device Polyesters

olyesters are commonly used in a wide variety of medical devices. Two common polyesters are polyethylene terephthalate (PET) and polybutylene terephthalate (PBT). PET is the most common thermoplastic polyester and is frequently used for extrusion of sutures,...

Medical Thermoplastic Urethanes

Thermoplastic urethanes (TPUs) are a subset of thermoplastic elastomers (TPEs). TPUs are copolymers of hard and soft segmented molecular chains that exhibit both thermoplastic and elastomeric properties. There are many types of medical TPUs, with distinctly different...