[Preliminary evaluation of the usefulness of vascular prostheses Protegraft DV 1900 manufactured by B. Braun Melsungen AG].
The authors carried out preliminary clinical evaluation of usefulness of the knitted vascular prostheses Protegraft DV 1900 of B. Braun Melsungen AG's firm. 10 prostheses of that firm were used for investigation implanting biforked protheses to six patients and single prostheses to four patients. Such qualities were taken into account: their behaviour in the operation field during the operation so blood percolating through the wall, shredding of the edges, passing of the suture through the prostheses as well as wall rigor after blood coagulation. It was observed that the vascular prostheses Protegraft DV 1900 together with the advantages ascribed until now to prostheses from woven materials and, first of all, a very short period of bleeding through the wall after releasing the clip.