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ulrich medical gives doctors a strong backbone

ulrich GmbH & Co. KG

Screws in the human spine and other bones are subject to the highest requirements. ulrich medical fulfills them perfectly – and uses CADFEM simulation solutions for this purpose.

ulrich medical gives doctors a strong backbone

Medical technology has been the primary focus of ulrich medical, an Ulm-based family-run company, for 100 years. One of the four corporate division deals with the development and production of spinal systems, including implants. But the company’s other products also include rod screw systems (mainly made of titanium) for fixing, stabilizing or correcting the spine. Titanium has the great advantage of being particularly well tolerated by human tissue.

ulrich medical and CADFEM

The direct interaction between ulrich medical’s medical technology products and the human body requires an extremely high level of precision in development and consideration of the special properties of biomechanical processes. However, as is the case with all development processes, one thing remains unknown, even when creating innovative medical products: possible problem areas could be identified too late, thus resulting in costly corrections. ulrich medical, an Ulm-based company with a long-standing tradition, is reducing this risk by performing simulations during the development process that are carried out with Ansys and, if necessary, validated with advice and support from CADFEM.
Both the surgeon and the patient must be able to rely on the fact that an implant or screw system is optimally designed. So, in the case of titanium screws, for example, Ansys is used to precisely calculate the force with which they can be screwed in without the twisting or breaking the pin due to friction or clamping.

The highest quality standards

“Nowadays, the Ansys software is used to perform concept design phase calculations at an early stage. That way, we meet the highest quality standards for the end products and in the production processes,” confirms Stefan Midderhoff, the Development Engineer for Implants & Instruments who was in charge of the software. But he also stresses: “It’s rare that our issues are simple. Several problems such as contacts, friction, clamping and the like have to be considered, so that various questions have to be clarified for the simulation. In this situation, we use the CADFEM support service to get advice on how to proceed and to find a safe solution.”

Tremendous CADFEM support

ulrich medical also makes use of CADFEM’s offer when it comes to employee training and further training in the field of simulation. CADFEM is also the first port of call for Stefan Midderhoff and his colleagues with regard to implementing expansion plans in the field of simulation – for example, with new areas of application, flexible licensing models or even the automation of recurring simulation tasks.

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