1. A locking system comprising: a retainer having an externally threaded portion and the portion without the male thread and takzhevtulku disposed within the retainer, wherein the sleeve includes a distal portion, a proximal portion, the proximal portion comprises a threaded portion and a connecting portion, and a through hole, wherein the inner surface of a portion with an external thread has a shape which allows to interact with a portion of the feed device and the inner surface portion without the male thread has a thread for interaction with the thread on the threaded portion vtulki.2. A fixation system according to claim 1, characterized in that the outer portion of the retainer comprises a threaded longitudinal kanavki.3. A fixation system according to claim 1, characterized in that the portion without the male thread has a smaller diameter than the outer portion rezboy.4. A fixation system according to claim 1, characterized in that the portion without the male thread is meshed sdistalnym vtulki.5 portion. The feeding apparatus, comprising: an outer shaft including a distal end, a proximal end and a handle connected to the proximal end, wherein at least the distal end portion has a smaller diameter than the proximal end ivnutrenny shaft disposed within the outer shaft, the inner shaft includes a distal end, a proximal end and a handle connected to the proximal end, the distal end comprising prongs opening located between the teeth and metku.6. The feeding device according to claim 5, characterized in that it further comprises a retainer disposed at a distal end of the outer shaft and the sleeve, Located1. Система фиксации, содержащая:фиксатор, содержащий участок с наружной резьбой и участок без наружной резьбы а такжевтулку, расположенную внутри фиксатора, при этом втулка включает дистальный участок, проксимальный участок, при этом проксимальный участок содержит резьбовой участок и соединительный участок, а также сквозное отверстие,в котором внутренняя поверх