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Repair of the Large Bone Defects Through 3D Printed Individualized Porous Implant

Repair of the Large Bone Defects Through 3D Printed Individualized Porous Implant

Recruiting
100 years and younger
All
Phase N/A

Overview

The aim of this study was to investigate the simply use of three-dimensional (3D) printed individualized porous implants in the absence of autogenous/allogeneic bone graft or any osteoinductive agents to treat the large bone defects caused by varies of pathogenesis and systematically study its long-term therapeutic effect and osseointegration characteristics.

Description

A selection of fifty-eight patients with large bone defects caused by tumor, infection or trauma received the individualized porous implants treatment, and two typical cases were chosen for detailed study. Further, the large segmental femur defect model of sheep was utilized to study the osseointegration characteristics of the individualized porous implants in 1, 3, 6 months after implantation.

Eligibility

Inclusion Criteria:

  • Large bone defects (4cm) in spine, limb bone and hip joint caused by tumor, infection or other pathogenesis received the individualized porous implants treatment.Exclusion Criteria
  • Bone defects less than 4cm long.
  • Bone defects treated by other methods ,such as ilizarov technique, masquelet technique or Ti mesh.

Study details
    Large Bone Defects

NCT04466397

Peking University Third Hospital

16 February 2024

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