Dog bringing in first aid (6)

I believe the answer is:

basset

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'dog' is the definition.
(type of dog)

I don't understand how the rest of the clue works.

(Other definitions for basset that I've seen before include "Hound (named Fred?)" , "Hare-hunting hound among beasts" , "GAME" , "Smooth-haired, long-eared hound" , "Type of horn" .)

I've seen this clue in The Sunday Times and The Times.

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