by admin | Apr 16, 2019 | Technical Briefs
Small-diameter mandrels are commonly used in the manufacturing of endovascular catheters, for the purpose of retaining inside diameter dimensions and tolerances. Upon completion of manufacturing, these mandrels are removed, leaving a precision catheter shaft. Mandrels...
by admin | Mar 20, 2019 | Technical Briefs
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...
by admin | Mar 2, 2019 | Technical Briefs
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...
by admin | Mar 1, 2019 | Technical Briefs
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,...
by admin | Feb 26, 2019 | Technical Briefs
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...