| 摘要 |
A surgical knife having a handle having a distal end and a proximal end, the distal end including a base; a pair of movable blades removably mounted on the base of the handle; at least one spacer, which spaces the pair of blades from each other; and a shifting mechanism for longitudinally shifting the blades and the at least one spacer with respect to each other to a plurality of blade positions.
|
