[Detoxication of methanal preserved bioprostheses].

The substitutes could be decontaminated by means of six to eight times soaking into sterile sodium chloride solution (154 mmol/l = 9 g/l) in each case half an hour if a short preparation time for the implantation of protein cross-linked and methanal storaged bioprotheses is existent. This procedure must be carried out under strict aseptic conditions. A microbial recontamination of the preparations threats moreover.