A positioning apparatus for guiding an injection device relative to a target surface having a representative plane, the apparatus comprising: a housing defining a channel configured to receive an injection device, wherein a first angle (θ) is formed between a longitudinal axis (y) of the channel and the representative plane (x) of the target surface so as to guide the injection device through the channel to the target surface at the first angle (θ), and wherein said housing comprises a stabilizing surface configured to abut the target surface to stabilize an injection according to said first angle (θ); wherein the injection device comprises a medicament delivery device, and wherein the channel is configured to guide the medicament delivery device to deliver an injection at a target point (t) at the target surface, such that a longitudinal axis of the medicament delivery device is determined by the longitudinal axis of the channel, and the medicament delivery device contacts the target surface at the first angle (θ); and further comprising an aperture formed in the stabilizing surface of the housing adjacent to the target surface, wherein when the injection device is received within the channel, a portion of a distal end of the injection device aligns with the aperture in the housing, such that an injection device comprising a needle at its distal end can exit the housing wherein the needle traverses the housing through the aperture; the positioning apparatus further comprising a platform extending from the stabilizing surface, the platform comprising a longitudinal axis transverse to the longitudinal axis of the channel, wherein the platform is configured to abut the target surface, wherein the platform comprises a first portion and a second portion, said first and second portions are disposed on either side of the housing, and said platform comprises a flexible material such that a user can grip the first and second portions of the platform to receive at least a portion of the target surface between the first and second portions of the platform to displace the portion of the target surface to receive the injection device, wherein the positioning apparatus further comprises a guiding track associated with the housing, said guiding track being configured to receive at least a portion of the injection device, wherein the guiding track guides the injection device along the longitudinal axis (y) of the channel, wherein the guiding track is movable within the channel, relative to the housing, such that when the injection device is received within the guiding track, the guiding track is movable in a first direction toward the target surface and in a second direction away from the target surface. a housing defining a channel configured to receive an injection device, wherein a first angle (θ) is formed between a longitudinal axis (y) of the channel and the representative plane (x) of the target surface so as to guide the injection device through the channel to the target surface at the first angle (θ), and wherein said housing comprises a stabilizing surface configured to abut the target surface to stabilize an injection according to said first angle (θ); wherein the injection device comprises a medicament delivery device, and wherein the channel is configured to guide the medicament delivery device to deliver an injection at a target point (t) at the target surface, such that a longitudinal axis of the medicament delivery device is determined by the longitudinal axis of the channel, and the medicament delivery device contacts the target surface at the first angle (θ); and further comprising an aperture formed in the stabilizing surface of the housing adjacent to the target surface, wherein when the injection device is received within the channel, a portion of a distal end of the injection device aligns with the aperture in the housing, such that an injection device comprising a needle at its distal end can exit the housing wherein the needle traverses the housing through the aperture; the positioning apparatus further comprising a platform extending from the stabilizing surface, the platform comprising a longitudinal axis transverse to the longitudinal axis of the channel, wherein the platform is configured to abut the target surface, wherein the platform comprises a first portion and a second portion, said first and second portions are disposed on either side of the housing, and said platform comprises a flexible material such that a user can grip the first and second portions of the platform to receive at least a portion of the target surface between the first and second portions of the platform to displace the portion of the target surface to receive the injection device,