| 摘要 |
A supplementary blade for a speculum, the speculum having a plurality of primary blades movable relative to each other for opening and closing, wherein the supplementary blade comprises an anchor portion attachable to the speculum and a blade portion movable with respect to the anchor portion, and the blade portion is shaped to interact with at least one of the primary blades to move into an extended position in response to opening of the primary blades. A speculum having a plurality of primary blades movable relative to each other for opening and closing, wherein at least one of the blades comprises a means for attaching a supplementary blade thereto to increase the functional length of the at least one blade. A speculum comprising first and second blades whose opening and closing is controlled by manipulating respective handles, wherein at least one of the handles comprises ratchet means engageable by the other of said handles. A package comprising a wrapper encapsulating at least part of a medical instrument such as a speculum, the package containing lubricant between the wrapper and the instrument to lubricate at least an encapsulated part of the instrument before removal of the wrapper. |
