longitudinal axis 200 of the handpiece 10 between a first position wherein the handle 18 is pushed forward toward the distal end 11 a as shown in fig1 and a second position wherein the handle 18 is pushed backward toward the proximal end 11 b having the handle 18 in the first position allows for opening of the valve 19 and having the handle 18 in the second position allows for closing of the valve 19 or vice versa the handle 18 and valve 19 are both removably coupled to the handpiece 10 via a coupling method described in the 39 493 patent or other method known to one of skill in the art an insert 30 is located within a groove 11 c of the body 11 such that the insert 30 is located in line with the aspiration channel 17 the insert 30 includes a distal end 31 a proximal end 32 a cannulation 33 that extends the entire length of the insert 30 and tabs 34 coupled to the insert 30 the insert 30 is located within the groove 11 c such that the tabs 34 are disposed within openings 11 d in the body 11 the insert 30 may be placed within the groove 11 c by placing.