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Explanation: I agree with David. The original seems to be wrong, it should say "espéculo vaginal". The speculum is the tool that allows to separate the vaginal walls so that the uterine cervix becomes visible to the examiner.
I'm not aware of a widespread use of "espejos (mirrors) vaginales".
"Vaginal Speculum and Rectal Instruments
Information on Rectal use of Vaginal Speculums
Vaginal Speculum, Ass Spreader and Foreskin Stretcher - comes in 6 sizes: Wide S M L and Narrow S M L. All sizes are not always available. Call for sizes in stock or we will substitute sizes in stock."