Surgical device for removing tissue cells from a biological structure

A surgical device for injecting a fluid and/or for removing tissue cells from a biological structure, comprising

• (a) a supply device (1) including a fluid jet unit for injecting a separation fluid or a process fluid and/or including a suction device for suctioning off separated or dissolved tissue cells and/or the separation fluid or the process fluid, and
• (b) a surgical hand piece (2) with an inner injection cannula (19) and an outer suction tube (23), both of which form an annular suction channel in the region of the surgical hand piece (2), wherein the outer suction tube (23) is adapted to be placed on the injection cannula (19) and to be secured to the surgical hand piece (2), and wherein the injection cannula (19) includes a front nozzle opening (20) and the suction tube (23) includes a plurality of suction bores (24) distributed along its periphery, and
• wherein the surgical hand piece (2) is provided with a handle (14) and the suction tube (23) is configured with a handle (21″) to form a complementary part, wherein the outside dimensions of the handle (14) of the surgical hand piece (2) are adapted to those dimensions of the handle (21″) of the suction tube (23), and wherein the handle (14) of the surgical hand piece (2) is configured to be connectable with the handle (21″) of the suction tube (23) or optionally with another complimentary part that also includes an adapted handle (21, 21′).