Three-dimensional spatial modeling of acute traumatic object in forensic medicine

Abstract

Bodily injuries caused by sharp tools rank second in the structure of population mortality rate. The majority of injuries are caused by piercing-cutting tools. In every particular case a forensic expert faces the question concerning identification of individual parameters of a sharp traumatic object.The purpose of the study: to investigate the possibility to use photogrammetry and up-to-date computer technologies in order to develop the method of three-dimensional spatial modeling of a sharp traumatic object in case of stab-cutting injuries of the soft tissues and parenchymal organs.Material and methods. Experimental models of injuries caused by piercing-cutting tools are examined by means of photogrammetry and computer programs for three-dimensional spatial modeling; the shape of the blade of the experimental knife is reproduced.Results. The article deals with possibilities to apply photogrammetry and up-to-date computer technologies in order to develop the method of three-dimensional spatial modeling of sharp traumatic objects on the pattern of a wound tract caused by piercing-cutting tools. The algorithm of making a three-dimensional computer model of acute traumatic object is presented; advantages and perspectives of further application of 3D technologies in forensic medical practice are indicated.Conclusion. The model of the injury-causing object is obtained which can be examined in three planes at different angles, reserved in electron data base and printed on 3D printer.