Patent ID: 7857784

Claim:
A medical instrument for suction and irrigation, comprising an elongate shaft, said shaft having a first tube having a closed wall extending over the full circumference about the longitudinal axis and in which a first channel is present, a second tube having a wall extending over a part of the circumference covering less than the entire circumference about the longitudinal axis of said second tube, said second tube being placed and secured sealingly with said wall extending over a part of the circumference about the longitudinal axis on an outside face of said first tube, thus defining a space between said outside face of said first tube and an inside face of said second tube, said space defining a second channel of said shaft, wherein a connection part surrounding said shaft and used to connect that shaft to a handgrip is arranged at a proximal end of said shaft, said shaft being bonded into said connection part by means of a curing adhesive, wherein said adhesive seals off said first tube and said second tube from one another in a proximal region of said first tube and said second tube, a proximal end of said second tube being closed by means of said adhesive or by means of another adhesive.