The Study of Femoral 3D Reconstruction Process Based on Anatomical Parameters Using a Numerical Method

Computer based three-dimensional (3D) reconstruction technique is widely used in clinical practices and its accuracy is still improving due to introducing of high resolution imaging modalities. Practically, two-dimensional X-ray image might be considered as one of major tools in orthopaedics, due to its lower cost and lower dose of radiation than computer tomography (CT).The purpose of the current study is generating 3D model of femoral bone using conventional X-ray images incorporating the anatomical parameters into a referential 3D model. For the 3D reconstruction, the 2D shape and specific parameters of bone were firstly measured from X-ray images. Then, the referential CT model was modified as follows: the axial scaling, shearing transformation and radial scaling. In this study, the 3D reconstruction algorithm was tested using femoral X-ray images from the 28 years old male.The current study showed that the 3D reconstruction technique by using X-ray images can be useful and feasible in clinical practices. It could easily generate 3D femoral model not only with saving time and costs, but also less radiation exposure to the patients.

[1]  P. Leyvraz,et al.  The morphology of the proximal femur. A three-dimensional radiographic analysis. , 1992, The Journal of bone and joint surgery. British volume.

[2]  Nobuhiko Sugano,et al.  Stem length and canal filling in uncemented custom-made total hip arthroplasty , 1999, International Orthopaedics.

[3]  Mark D. Wheeler,et al.  Automatic Modeling and Localization for Object Recognition , 1996 .

[4]  Takeo Kanade,et al.  Vision-Based Object Registration for Real-Time Image Overlay , 1995, CVRMed.

[5]  W. Skalli,et al.  Three-dimensional X-ray absorptiometry (3D-XA): a method for reconstruction of human bones using a dual X-ray absorptiometry device , 2005, Osteoporosis International.

[6]  P. Walker.  Innovation in total hip replacement--when is new better? , 2000, Clinical orthopaedics and related research.

[7]  J. D. De Guise,et al.  3D reconstruction of the proximal femur with low-dose digital stereoradiography , 2004, Computer aided surgery : official journal of the International Society for Computer Aided Surgery.

[8]  Yiu-Tong Chan,et al.  A simple approach for the estimation of circular arc center and its radius , 1989, Comput. Vis. Graph. Image Process..

[9]  W. Bargar,et al.  Shape the implant to the patient. A rationale for the use of custom-fit cementless total hip implants. , 1989, Clinical orthopaedics and related research.

[10]  R L Wixson,et al.  The rationale, design characteristics, and preliminary results of a primary custom total hip prosthesis. , 1989, Clinical orthopaedics and related research.

[11]  D Mitton,et al.  A Biplanar Reconstruction Method Based on 2D and 3D Contours: Application to the Distal Femur , 2003, Computer methods in biomechanics and biomedical engineering.

[12]  Ryo Kurazume,et al.  3D reconstruction of a femoral shape using a parametric model and two 2D fluoroscopic images , 2007, Proceedings 2007 IEEE International Conference on Robotics and Automation.

[13]  H. Tullos,et al.  The anatomic basis of femoral component design. , 1988, Clinical orthopaedics and related research.