Design, characterisation, and clinical evaluation of a novel porous Ti-6Al-4V hemipelvic prosthesis based on Voronoi diagram.

ABSTRACT: Three-dimensional printed Ti-6Al-4V hemipelvic prosthesis has become a current popular method for pelvic defect reconstruction. This paper presents a novel biomimetic hemipelvic prosthesis design that utilises patient-specific anatomical data in conjunction with the Voronoi diagram algorithm. Unlike traditional design methods that rely on fixed, homogeneous unit cell, the Voronoi diagram enables to create imitation of trabecular structure (ITS). The proposed approach was conducted for six patients. The entire contour of the customised prosthesis matched well with the residual bone. The porosity and pore size of the ITS were evaluated. The distribution of the pore size ranged from 500 to 1400 μm. Porosity calculations indicated the average porosity was 63.13 ± 0.30%. Cubic ITS samples were

SUBMITTER: Li Z 

PROVIDER: S-EPMC11681186 | biostudies-literature | 2024

REPOSITORIES: biostudies-literature