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Electro Optical Systems (EOS) is demonstrating a working direct metal laser-sintering system (DMLS) for medical use at this year’s American Academy of Orthopedic Surgeons (AAOS) annual meeting.

At the event, which runs until 19 February at the San Diego Convention Center in California, the DMLS will be in operation in Booth 2,656, with a variety of plastic and metal medical devices on display.

Parts exhibited include customised surgical drill guides reflecting patient-specific geometry, bone rasp samples and prototype stainless steel surgical tools.

The latest test results for customised Peek implant manufacturing will be available.

‘Metal and plastics laser sintering have clearly become enabling technologies for medical products,’ said Martin Bullemer, EOS manager for medical business development, who will be available at the event for interviews.

EOS plastic and metal laser-sintering systems allow medical designers to tailor parts specifically for doctors and patients using 3D data generated by MRI, CT and/or CAD.

Modern data preparation software, in combination with laser sintering, can be used to create complex geometries, porous surfaces suitable for better osteointegration or lightweight structures to promote better patient comfort.

Morris Technologies, exhibiting in Booth 2,655 across the aisle from EOS, has announced that, in collaboration with Kapstone Medical, it will soon file with the Food and Drug Administration (FDA) for 510(k) pre-market notification for a DMLS-generated titanium implant.

Chuck Hansford, vice-president of Morris’s medical business unit, said: ‘We are in the final mechanical and biocompatible testing stages with a Ti 64 ELI implant made with material from EOS.

‘We hope to submit our application before the end of the first quarter of this year,’ he added.

Within Technologies is also participating at the show; its FEA/CAD optimisation software works in tandem with plastic and metal laser-sintering systems, such as those from EOS, to create strong, lightweight parts including lattice structures.

Within’s Dr Sia H Mahdavi said: ‘Additive manufacturing provides the design freedom to create components you can’t produce any other way.

‘Much as CAD systems have manufacturability aids developed specifically for processes such as injection moulding and casting, our software identifies the optimum solution to each design challenge and helps manufacturers to maximise what laser-sintering machines do best,’ added Mahdavi.

Electro Optical Systems

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