The invention relates to a joint implant for new tissue formation at a joint, wherein the joint implant (1) comprises a rod-shaped body with a base area (11), a cover area (12) and a sleeve area (13), wherein at least the cover area (12), in particular the entire rod-shaped body, of the joint implant (1) has a hydrophobic surface for facilitating chondrocyte differentiation of mesenchymal stem cells, and a thread structure (15) is at least partially formed on the sleeve area (13) of the joint implant (1).本發明關於一種用於關節處新組織形成的關節植入物，其中該關節植入物（1）包括桿狀本體，該桿狀本體具有基部區域（11）、覆蓋區域（12）、以及套管區域（13），其中至少該關節植入物（1）的該覆蓋區域（12），特別是整個桿狀本體，具有疏水性表面，用於促進間葉系幹細胞的軟骨細胞分化，以及螺紋結構（15）至少部分地形成在該關節植入物（1）的該套管區域（13）上。
