| 摘要 |
Provided is a tissue dissector that includes: a tube having a proximal end and a distal end; a rod disposed within the tube, ribs attached to the rod and extending outside of the tube; a housing disposed at the proximal end of the tube; an actuator disposed in the housing, to rotationally oscillate the rod with respect to the tube; and a first seal disposed around the rod, to prevent fluid from entering the tube. |
