Miniature particle accelerator saves on contrast agents

The most prevalent method for obtaining images of clogged coronary vessels is coronary angiography. For some patients, however, the contrast agents used in this process can cause health problems. A team at the Technical University ...

Tri-layered artificial blood vessels created for the first time

By combining micro-imprinting and electro-spinning techniques, researchers at Shanghai University's Rapid Manufacturing Engineering Center have developed a vascular graft composed of three layers for the first time. This ...

Zinc: The perfect material for bioabsorbable stents?

(Phys.org) —In 2012, more than 3 million people had stents inserted in their coronary arteries. These tiny mesh tubes prop open blood vessels healing from procedures like a balloon angioplasty, which widens arteries blocked ...

Inserting Catheters Without X-rays

X-rays penetrate the patient's body, helping the doctor guide the catheter through the artery. In future, it will be possible to monitor the position of the catheter without exposing the patient to X-ray radiation, and without ...