Community Research and Development Information Service - CORDIS


Final Report - ENHIP (Ergonomic instruments development for hip surgery. An innovative approach on orthopaedic implants design)

Project ID: 17806
Funded under: FP6-SME


ENHIP was a European funded project within the Sixth Framework Programme (FP6) whose ultimate aim was to design instruments for hip surgery through a new perspective, the ergonomics. The new designs were obtained thanks to a list of specifications that had been generated during the project. Therefore, the application of the design guidelines assured the accomplishment of basic ergonomic rules, thereby improving the working conditions of surgeons during the operation.

The main objectives of the project were to:
- develop new instruments for surgery that would provide an important advantage to the implant manufacturers thanks to the added value by the ergonomic features;
- improve the working conditions of surgeons by developing a new generation of instruments which should be designed under ergonomics design criteria to improve current tools, the latter of which are based only on functionality and durability;
- improve the patient's quality of life by reducing the operation length due to an easier handling of instruments designed ergonomically;
- improve the quality life of patients by offering a new generation of Minimally invasive surgery (MIS) instruments to implant manufacturers that would reduce any postoperative patient problems.

As a result of these studies generic ergonomic design guidelines were obtained. These general guidelines allowed generating specific ergonomic design guidelines for each instrument examined and they were applied in order to redesign eight instruments for MIS and open surgery. Instruments were modelled by means of 3D-CAD tools, they were analysed by the finite element method and their weights were reduced thanks to optimisation procedures. Afterwards, stereolithography prototypes were manufactured, as well as preindustrial pre-series of six prototypes were manufactured.

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