Friday, January 6, 2017

News: Medical AMRC turning research into reality


Researchers from the Medical Advanced Manufacturing Research Centre (AMRC) have helped an innovative orthopaedic products company develop a new type of surgical screw that improves the process for surgeons and the lives of their patients.

The development is the brainchild of world leading surgeons and Huddersfield-based Innovate Orthopaedics (IO), a new partnership launched to challenge the status quo in the orthopaedic sports medicine market by developing products that directly incorporate the insights and experience world leading sports surgeons have gained in the operating theatre to solve problems.

The University of Sheffield Advanced Manufacturing Research Centre (AMRC) with Boeing is a world class centre for advanced machining and materials research for aerospace and other high-value manufacturing sectors. It secured funding to move into new areas and the Medical AMRC ensures the results of internationally significant research are developed into products and brought to market quickly and cost effectively.

Based in the centre's Design, Prototyping & Testing Centre on the Advanced Manufacturing Park in Rotherham, the Medical AMRC sits alongside the current AMRC and has access to all the current resources but with a dedicated team which will specifically focus on the medical technologies sector.

IO asked the Medical AMRC to evaluate two new designs it had developed for specialised orthopaedic screws. The screws are designed for specific surgical procedures, including reconstructing the knee's anterior cruciate ligament, which can be torn during sports that involve sudden stops and changes in direction, such as football, rugby, tennis, skiing and basketball.

Reconstruction is carried out by inserting a piece of healthy tendon in place and securing it to the bone with a screw, over which the bone will grow.


Marcus Crossley, from the Medical AMRC, said: "We worked with IO to combine different aspects of their two designs and create one universal design that reduced the force needed to insert the screw while maintaining fixation.

"The benefits of using the new screw don't stop there, however. It helps the surgeon by engaging more rapidly with the ligament and bone when it is inserted and reduces the fatigue experienced by the surgeon and minimises damage to the replacement ligament."

The Medical AMRC showed how the universal design could be used to produce a wide range of screw sizes and worked with AMRC partner Star Micronics to develop the complex and unique CNC program that allowed prototype screws to be produced on a sliding head lathe. Tooling predominantly came from another AMRC partner, Sandvik Coromant and the Medical AMRC also helped IO choose Sheffield Precision Medical to carry out trial production runs and develop the complete range of screws.

Alex Gutteridge, founder of IO, said: "Clinical tests have produced extremely positive results and we are already seeing demand rising among British and international surgeons, who see the benefit of using these innovative, new designs.

"The Medical AMRC didn't only help us refine our designs and take them into production. It also helped us to create patentable technology which can be further protected by design registration and enabled us to quickly gain ISO 13485 medical devices quality approval and European CE marking.

"Our aim at IO is to create innovative medical devices that solve problems identified by the surgeons in order to achieve better results for their patients, without pushing up costs. The Medical AMRC has played a key part in helping us to achieve that aim with our first product."

IO website
Medical AMRC website

Images: Medical AMRC


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