HP MULTI JET FUSION PRODUCES A MORE COMFORTABLE ORTHOPEDIC HELMET

Customer at a glance

OT4 Orthopädietechnik GmbH develops, designs, and produces patient-specific orthoses using 3D printing technology. As a partner of orthopedic workshops and medical professionals, the Munich-based company offers innovative and state-of-the-art manufacturing processes, combining individuality with uncompromising quality.

The Challenge

OT4’s safety helmet is used after surgeries in which cranial bones (or parts of cranial bones) have been removed (i.e., a craniectomy) and the brain has lost some of its protective barrier. It is important for the patient to have a light, ventilated, and optimally fitted cover to protect the head. With former 3D printing processes (e.g., SLS), OT4 was unable to create the complex designs that a safe and efficient helmet demands.

To learn how OT4 used HP Multi Jet Fusion technology and HP 3D High Reusability (HR)¹ PA 11 to 3D print and produce customized safety helmets, complete the form to access the full case study.

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1. Based on using recommended packing densities and compared to selective laser sintering (SLS) technology, offers excellent reusability without sacrificing mechanical performance. Tested according to ASTM D638, ASTM D256, ASTM D790, and ASTM D648 and using a 3D scanner for dimensional accuracy. Testing monitored using statistical process controls. HP Jet Fusion 3D Printing Solutions using HP 3D High Reusability PA 11 provide up to 70% post-production surplus powder reusability, producing functional parts batch after batch. For testing, material is aged in real printing conditions and powder is tracked by generations (worst case for reusability). Parts are then made from each generation and tested for mechanical properties and accuracy.