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The sonic probe was a device used by a future Amy Pond. It had the ability to re-wire the Handbots. The Eleventh Doctor took control of it to help bring the two Amys together. When he did, Amy admitted it was a sonic screwdriver. (DW: The Girl Who Waited)
Dalek Sec once called the Tenth Doctor's sonic screwdriver a sonic probe. (DW: Doomsday)