Computer-assisted surgery is here to stay

hpv is here to stay.

Is rotational atherectomy here to stay?

Rotational atherectomy was developed to ablate selectively inelastic atherosclerotic plaque, while deflecting normal arterial wall away from the rotating burr. Intravascular ultrasound (IVUS) studies have confirmed that rotablation differentially removes even hard, calcified plaque without damaging normal arterial wall. Early in clinical experience, the ability to ablate previously undilatable ...

Covert Channels | Here to Stay? Covert Channels | Here to Stay?

We discuss the di culties of satisfying high-assurance system requirements without sacri cing system capabilities. To alleviate this problem, we show how trade-o s can be made to reduce the threat of covert channels. We also clarify certain concepts in the theory of covert channels. Traditionally, a covert channel's vulnerability was measured by the capacity. We show why a capacity analysis alo...

Surgery For Valvular Heart Diseases : Here To Stay

The first artificial heart valves to be used clinically were mechanical devices and the continuous research and development over the last 25 years led to the modern prostheses which offer simplicity and safety of implantation, haemodynamic efficiency, lower rates of thromboembolism and excellent durability. After the old Starr-Edwards ball-and-cage valve and the Björk-Shiley tilting-disk valve,...

Electronic Music Is Here to Stay – or Is It ?

Musical composers frequently make use of new technologies in instrumentation. Whilst orchestral traditions remain strong and the instruments viable, what of the works of composers of electronic music where the sound sources have fallen into disrepair, obsolescence, or modern technology has changed the sound so that it bears no relation to the original? Beyond collections of manuscripts and reco...