| 摘要 |
The invention provides a device and method for cutting an object inside a surgical wound. In one embodiment of the invention, a cutter comprises an elongated body having a distal portion and a proximal portion; a blade holder disposed at least partially in the distal portion and adapted to secure a blade having a cutting edge, the blade holder being movable between a withdrawn position and a advanced position; a blade shield positioned to cover substantially the entire cutting edge when the blade holder is in the withdrawn position and expose at least a portion of the cutting edge when the blade holder is in the advanced position; and a stop disposed in the distal portion and adapted to stabilize an object to be cut against the cutting edge while the blade holder moves from the withdrawn position toward the advanced position.
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