Basic Requirements for Surgical Non-Woven Products

Safety of non-woven polypropylene surgical adhesive drapes to prevent wound infection

Methods Six brands of disposable non-woven polypropylene drapes were tested. A latex glove was used as a negative control and a woven cotton drape was used as a positive control. For each drape, a rodac plate was inoculated with 10 colony-forming units / ml of Staphylococcus aureus ATCC strain 6538 and incubated at 37°C for 24 h to obtain confluent growth. Thereafter, each drape was placed betw...

Basic requirements on microphones for voice recordings

Basic Requirements for IPv6 Customer Edge Routers

This document specifies requirements for an IPv6 Customer Edge (CE) router. Specifically, the current version of this document focuses on the basic provisioning of an IPv6 CE router and the provisioning of IPv6 hosts attached to it. (IETF). It represents the consensus of the IETF community. It has received public review and has been approved for publication by the Internet Engineering Steering ...

Basic requirements for proven-in-use arguments

IEC 61508-7 [1] includes as Annex D a proposal for the evaluation of software reliability based on a simple statistical model. However, this annex is discussed quite controversially and is currently under revision. EN 50129 [2] also contains recommendations on how to demonstrate high confidence by use, but without any further explanation. For example, for SIL 3 and 4, “1 million hours operation...

Basic Requirements for Interactive Web-based Courseware

The needs for interactive, hypermedial courseware as well as for their rapid development and easy enhancement imply the development of problem-based authoring and programming tools. The basic requirements for such tools are interdisciplinary. This article describes general concepts to meet the task of providing international, consistent, adaptive and highly interactive content. An architecture ...