[Our Experience with RM Pressfit Vitamys Cup and Cementless Optimys Short Stem].

CONCLUSIONS The RM Pressfit Vitamys monobloc cup through its mechanical properties approximates the best the elasticity of bone tissue. The stress distribution around the implant is more symmetrical as against other conventional cementless cups. The Optimys stem enables the reconstruction of anatomical conditions corresponding a healthy hip joint. Respecting the rule of at least three-point fixation is a precondition for good and fast secondary stability of components. Minimising the wear of articulating surfaces and physiological remodelling of adjacent bone tissue are the main factors that help prolong the survivorship of both the components, while also securing more favourable conditions and better outcomes in case of necessity of reimplantation. Key words: cementless elastic cup, short cementless stem, femoroacetabular offset, stress shielding, osseointegration of the implant. PMID: 32773014 [PubMed - in process]
Source: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca - Category: Orthopaedics Tags: Acta Chir Orthop Traumatol Cech Source Type: research