US Patent 7338477 Apparatus for applying fluid in the eye

A surgical hand tool, comprising a handle with a substantially elongated fluid guide extending away therefrom, which fluid guide terminates, at a distal end, in a brush head and is connectable, at a proximal end, to the fluid chamber accommodated in the handle, such that, during use, fluid can flow from the fluid chamber through the fluid guide in order to be dispensed via the brush head, wherein the brush head is accommodated in an insertion sleeve, and is slidable from a first position in which the brush head is located inside the insertion sleeve to a second position in which at least a part of the brush head extends outside the insertion sleeve.