Materialise 3D printed hip implant gets patient back on her feet

Succeeding where two other operations had failed before, a 3D printed hip implant has been used in corrective surgery for a patient at the HELIOS Clinic in Hildesheim, Germany. The device has been made in consultation with Materialise, harnessing the company’s aMace solution – the first software platform to use “scientifically validated simulation technologies” for custom-made implants.

Individual, personalized care

Antzelina Kesidi was born with an abnormality in her hip bone. At 24 years old, Kesidi underwent the first operation for her hip dysplasia. Even after recovery, she continued to experience a great deal of pain and difficulty when walking, and so the correction was revised – still to no avail.

After learning of Kesidi’s condition Dr. Burkhard Wippermann, chief physician for trauma and orthopedic surgery at the HELIOS Clinic, decided to take a different approach. 3D printing an implant would not only create a more comfortable fit, but pores in the design would encourage bone in-growth, making for a speedier recovery.

Designing with aMace

Dr. Wippermann sent CT scan data of Kesidi’s to Materialise, which then turned the images into a digital 3D model. With this Dr. Wipperman’s surgical team examined the unique condition in more detail, relaying notes to a Materialise clinical engineer.

Best placement for the implant was then decided by Materialise. Using the aMace solution surgical notes, bone quality and undulation were taken into account, and modeled into a unique implant for the patient.

A perfect fit

First the device was 3D printed as a prototype, allowing HELIOS surgeons to plan the procedure. Then it was 3D printed as a functional titanium implant, which was fitted in a 3 hour operation.

Following the operation, Dr. Wippermann comments, “These were optimal conditions. It does not get any better. I am really impressed by how perfectly it fits.”

Kesidi was also pleased with the result, “When I came to Hildesheim,” she says, “I could only walk in pain with walking aids. Now, for the first time, I am pain-free after surgery. It felt good right away,”

By Beau Jackson | 3D Printing Industy

Image Credit: Materialise

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About Peter Coffaro 417 Articles
A growth-driven and strategic executive, Peter Coffaro commands more than 20 years of progressive management success within the medical device industry. As a District Sales Manager for Stryker Orthopaedics, Peter was responsible for managing and directing a regional sales force to achieve sales and profit goals within the Rocky Mountain region. Previously, he was the Director of Sales & Marketing for Amp Orthopedics. In this role, Peter was responsible for planning, developing, and leading all sales and marketing initiatives. Peter is a former orthopedic distributor in the Pacific Northwest. He has also worked with DePuy Orthopaedics as well as Zimmer, and held positions in sales, sales training, and sales management. Peter has an extensive background in organizational development, business development, sales management, negotiating and P&L management. Peter holds a B.S. degree in Biology from Northern Illinois University.

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