A method is disclosed for displaying a tissue containing a fluorescent dye at least in sections. The liquid filling opening part is melt-sealed from directions which face each other in a part of the liquid filling opening part. The electroprocessed collagen may also be combined with other molecules in order to deliver substances to the site of application or implantation of the electroprocessed collagen. A station within range of the transmitted signal will check the duration field of the transmitted signal, and update the station’s network allocation vector.