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3D-Printed Custom Orthopedic Implants

Patient-specific orthopedic implants manufactured by selective laser melting (SLM) and electron beam melting (EBM) of titanium powder to create complex porous structures, custom geometries, and trabecular surfaces matching individual anatomy for joint reconstruction, tumor surgery, spine, and craniomaxillofacial applications.

Written by: Saygı Hospital Health Guide Editorial Board
Last updated:

This content has been compiled by the Saygı Hospital Health Guide Editorial Board and is periodically reviewed by a specialist physician.

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This content is for informational purposes only and does not constitute medical advice. You can book an appointment at our Ortopedi ve Travmatoloji department. Book Appointment →

What is 3D-Printed Custom Orthopedic Implants?

3D-printed custom orthopedic implants are manufactured using additive manufacturing technologies, primarily selective laser melting (SLM) and electron beam melting (EBM), which fuse layers of titanium alloy (Ti6Al4V) or cobalt-chromium powder using high-energy beams. The process creates implants with complex internal architectures impossible with traditional subtractive manufacturing, including porous trabecular surfaces (similar to natural cancellous bone) promoting bone in-growth, lattice structures for weight optimization, and patient-specific geometries.

Clinical applications include: oncologic limb salvage (custom megaprosthesis after wide resection of bone sarcoma), revision joint arthroplasty (custom acetabular cups for pelvic discontinuity, custom hip stems for severe femoral deformity, distal femoral replacements), complex spine surgery (patient-specific intervertebral cages, vertebral body replacements), trauma reconstruction (custom plates for malunion/non-union), pelvic reconstruction (Triflange cups, custom hemipelvectomy prostheses), and craniomaxillofacial surgery (custom mandibular and orbital implants).

Workflow integrates virtual surgical planning (CT/MRI-based 3D modeling, biomechanical simulation), implant design (CAD software optimizing geometry, porosity, fixation), additive manufacturing (24-72 hour print times depending on complexity), post-processing (heat treatment for stress relief, surface treatment, sterilization), and surgical implementation (often with patient-specific cutting/drilling guides). Advantages include precise fit reducing micromotion, optimal load distribution, enhanced osseointegration through porous surfaces, and ability to address otherwise unsalvageable cases. Limitations include cost ($10,000-100,000+), regulatory pathways (510(k) vs PMA for novel designs), and limited long-term outcome data.

Symptoms

Severe bone defect from tumor or trauma
Failed multiple revision arthroplasties
Complex pelvic discontinuity
Non-union with significant bone loss
Custom implant required for unusual anatomy
Oncologic resection with planned reconstruction
Congenital anomaly requiring tailored solution

Risk Factors

Bone tumor requiring wide resection
Multiple failed prior arthroplasties
Severe acetabular bone loss (Paprosky 3B, IV)
Pelvic discontinuity
Massive proximal femoral or distal femoral bone loss
Complex traumatic bone defects
Need for limb salvage in oncology

When to See a Doctor?

If you experience any of the following symptoms, seek medical attention promptly:

  • Bone tumor diagnosis requiring resection
  • Failed multiple revision joint surgery
  • Severe bone defect not addressable by standard implants
  • Pelvic discontinuity with prior failed reconstruction
  • Complex traumatic non-union
  • Considering limb salvage vs amputation in oncology
  • Pre-surgical planning for complex reconstruction

Treatment Methods

01
Virtual surgical planning with 3D modeling
02
Custom titanium implant design with porous trabecular surface
03
Selective laser melting (SLM) or electron beam melting (EBM) fabrication
04
Patient-specific cutting and drilling guides
05
Surgery with custom implant placement
06
Postoperative confirmation imaging
07
Long-term surveillance with serial imaging and clinical assessment

Which Department to Visit?

You can visit our Ortopedi ve Travmatoloji department for these complaints. Our specialist physicians will create the most suitable treatment plan for you.

Learn About Ortopedi ve Travmatoloji Department

Let us help you

You can make an appointment with our specialists or contact us for your concerns.

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Health Disclaimer: The information on this page is prepared for general informational purposes only. It does not replace medical diagnosis and treatment. Please consult your physician for your complaints. Saygı Hospital does not accept responsibility for actions taken based on the information on this page.