83 Engineer support for cra M. Gzik 1 , D. Tejszerska 1 , W 1 Department of Applied Mechanics, Silesian Univ 2 Medical University of Silesia, Katowice, Poland 1. Introduction Craniosynostosis and skull injuries are most often causes d condition in which the cranial sutures close too early. Prem inside of the head to increase and the skull or facial bon Cranioplasty is a surgical repair of a skull, almost as neurological status in patients with skull bone defects neurologic status might be increased cerebral blood flow v pressure [1,2]. Collaboration between medical doctors and engineers con article describes examples of neurosurgical operation suppo visualization techniques and FEM analysis. The applied operation planning of surgical approaches 2. Methods Pre-operating planning with use of 3D geometrical mode craniosynostosis and skull injuries. Engineer support was c the basis of CT 3D geometrical models were formulate presented in fig.1. a) c) Fig. 1 Craniosynostosis: a) c) trigonocephaly before craniosynostosis A 12 year old patient suffered a car accident with severe fra removed and skull demanded reconstruction by cranioplast after road accident is presented in fig. 2. anioplasty in children W. Wolański 1 , D. Larysz 2 versity of Technology, Poland d demanding surgical cranioplasty. Craniosynostosis is a mature closure of the sutures may also cause the pressure nes to change from a normal, symmetrical appearance. as ancient as trepanation. Cranioplasty can improve s. The mechanism of postoperative improvement in velocity due to elimination of the effects of atmospheric ntributes to latest cranioplasty methods creation. This orted by 3D geometrical modelling with use of modern d technology supported decision process during pre- elling creates new conditions for surgical treatment of connected with virtual operation and FEM analysis. On ed. Examples of analysed craniosynostosis cases are a) c) b) d) e operation and 3D skull model, b) d) multiform acture of the skull bones. The damaged bones had to be ty. 3D model of skull with the hole of 12 years age boy