Medical devices are instruments, apparatus, apparatus, software and substances (or preparations of substances) used for human use for the following purposes: detection, prevention, monitoring, treatment or alleviation of diseases, detection, monitoring, treatment, alleviation or compensation of injuries or disabilities; examination, replacement or modification of the anatomical structure or physiological process, or the contraceptive regime. If you are based in Germany and put medical devices on the market for the first time, Prepare medical devices exclusively for others that are intended to be used in a germ-poor or sterile way, place on the market systems or treatment units composed using medical devices, or sterilize these or other medical devices for the first time on the market, you have to notify the LAVG with your address before starting your activity. Before starting your activity, you, as a manufacturer, must indicate the name and description of the medical devices concerned when displaying composite systems and treatment units. If you, as a manufacturer, wish to sterilize these or other medical devices before using them, you must also indicate the designation before starting the activity. If you, as a manufacturer or his authorised person, have your registered office in Germany and place in vitro diagnostics on the market for the first time, please indicate to the LAVG, indicating your address before starting your activity: - the information relating to common technological characteristics and analytes on reagents, medical devices containing reagents and calibration and control materials, and other in vitro diagnostics, the appropriate information, - in the case of in vitro diagnostics referred to in Annex II to Directive 98/79/EC and in vitro self-use diagnostics, all the information enabling the identification of these in vitro diagnostics, the analytical and, where appropriate, diagnostic performance data referred to in Section 3 of Annex I A, Point 3 of Directive 98/79/EC, the results of the performance assessment and information on certificates, - in the case of a "new in vitro diagnostic" additionally the indication that it is a "new in vitro diagnostic". Subsequent changes to the information and a cessation of the placing on the market must be reported immediately. The competent authority is the LAVG. According to the DIMDI Regulation, the advertisement must be made via the Internet portal of the German Institute for Medical Documentation and Information ( www.dimdi.de ).