| 摘要 |
<p>Flexible stopper comprises flexible disks (6, 10) mounted on a screw (3) having a threaded hole (9) and a screw thread (8). By rotating the disk (10) on the screw thread the tissue (11) and fistula (18) are sealed. Preferred Features: Sealing nubs (15) are formed on the disk (10). The disks have a diameter of 14, 16, or 18 mm. The screw head (2) on the screw is formed as a flat rounded lens.</p> |
