| 摘要 |
<p>Trocar (1) intended to be used in gasless laparoscopy and comprising a tube (2) with a collar (3) at one end. The tube is composed of plastic or metal and has a constant open slit (4) through which an instrument, for example the blades (10, 11) of a pair of scissors (9) or hemostatic forceps can be introduced without expanding the tube.</p> |
