The invention relates to a semi-automatic device for suturing a tissue comprising a curved needle located within an internal circular needle track of the device. The device according to the invention is a small hand-held device for stitching wounds together, that the device is hand-held means that it can be held and operated by one hand； the device ensures efficient and uniform sutures by pushing/pressing or otherwise affecting activation means, i.e. the user of the device need not have the skills of a surgeon. The device comprises a handle, activation means (2), a curved needle (4) and a drive mechanism for the curved needle, the curved needle (4) can move along a circular track (9) and transport a suture (11) in the circular track, the curved needle (4) extends over more than half the length of the circular track (9), the device also comprises a number of locking means (10) comprising at least one through-going opening which locking means (10) can secure one end of a suture relative to another end of the suture； wherein the curved needle (4) is moved repeatedly along the circular track (9) and when moved along the circular track, the curved needle may pass through at least one through-going opening of the locking means (10).
