| 摘要 |
Instruments are provided, representative embodiments of which have a first and a second jaw, from each of which at least one engaging element, whose distal end is suitable for engaging the skin tissue to be stretched, protrudes; an elastic member connecting the jaws, stressing them against each other when subjected to a traction force; and elements for adjusting the distance separating the jaws in the absence of traction force on the elastic member. |
