| 摘要 |
<p>The invention relates to medical techniques. A T-shaped drainage tube comprises a longitudinal section (1) and a transverse section (2). To reduce traumatization of the common bile duct when removing the tube during the post-operative period, the transverse section (2) consists, according to the invention, of a strip rolled in the form of a three-dimensional cylindrical spiral. The drainage tube is intended for use in hospitals dealing with bile duct surgery.</p> |
