| 摘要 |
<p>The method is remarkable in that support means are used as sheaths, originally in the form of a flat sheet, sliced up according to the shapes and dimensions desired, said means forming sheaths (10) being given a tubular form by one or more successive deforming and rolling actions leaving a slight overlap along their longitudinal edges, the sheath obtained thereby receiving the gut then being placed on the cannula (2).</p> |
