[Microscopic examination of unused synthetic suturing material before and after ray-treatment (author's transl)].

Unused 9/0 nylon suture show before and after ray-treatment mostly sagittal tears, besides this oblique and horizontal tears. Circumscribed distensions and attentuations were only found in suturing material which had undergone ray-treatment therapy. Microscopic examination was done in 474 cm unused suturing material, that means 203 cm 9/0 nylon sutures after and 81 cm before ray-treatment; these sutures were manufactored by the firm Klein, Heidelberg- besides this 98 cm 9/0 nylon sutures after and 92 cm before ray-treatment; these sutures were manufactored by the firm Ethicon, Hamburg.