A tubular instrument including a hollow wall portion and a connector arranged
to
be used with a guide-wire. The guide-wire has a distal end portion and a proximal
end portion, the distal end portion of the guide-wire is arranged to be extended
to some interior position within the body of a living being, with the proximal
end portion of the guide-wire being located outside the being's body. The connector
is located at the distal end of the instrument and is arranged to be readily manipulated
by a twisting action to connect the instrument onto the guide-wire for sliding
movement therealong.
