Patent ID: 6979321

Claim:
An apparatus for inserting particles into a tissue, in particular muscle tissue, the apparatus comprising: a tubular body with one closed end and comprises at least one sleeve, at least one positioning element, wherein the positioning element represents a needle tip, at least one outlet area for the particles, which extends over the entire circumference of the tubular body, at least one piston for pressing the particles, as well as at least one actuating device for the outlet area, the actuating device coupled to the positioning element by a wire, the wire passing through an opening within the piston, and wherein the outlet area is formed by a plurality of flexible elements, which are at least attached to the sleeve, which butts against the outlet area in the axial direction, or the positioning element in such a way, that in an actuated state, a tensile force is applied by the actuating device to the wire and the diameter of the outlet area is larger than the diameter of the sleeve, and openings are present between the flexible elements.