A tubing fitting for use in microsurgery including a female tubing fitting
and a male tubing fitting. The female tubing fitting has an external
surface with a pair of opposing projections disposed thereon and an
internal bore. The male tubing fitting has a second internal bore and a
collar at least partially surrounding the second internal bore. The
collar has an internal surface with two pairs of opposing sloping ramps
disposed thereon. The pairs of opposing sloping ramps are arranged so as
to create a pair of opposing spaces for removably receiving the pair of
opposing projections.