The disclosure relates to an implantation tool (1) for implanting a medical device (2) subcutaneously, comprising: a core (10) extending along a longitudinal axis (L), the core (10) comprising a longitudinal recess (11) extending along said longitudinal axis (L), a shell (20) protruding from an end (10a) of the core (10) in the direction of the longitudinal axis (L), wherein the shell (20) defines a compartment (21) for carrying the medical implant (2), which compartment (21) is connected to the longitudinal recess (11), and a rod (30) extending along the longitudinal axis (L) and arranged in said longitudinal recess (11).
