The impacted SHY® acetabular system is a system designed to provide a wide range of products from the point of view of the acetabular shell (impacted and impacted with pegs) and the insert (UHMWPE and ceramic). The impacted SHY ® cup has a peripheral groove system on its half-core that allows to provide the cup in a zone of thickness whose purpose is to provide both an optimal clamping effect when implanted. In turn the SHY ® cup has a reinforcement system in the event that the surgeon sees fit well by introducing titanium screws (Ti6Al4V) low profile. The SHY ® is a cementless acetabular prosthesis.