Fluoroscopic navigation system for hip surface replacement. 2007

Peter Belei, and Adrian Skwara, and Matías De La Fuente, and Erik Schkommodau, and Susanne Fuchs, and Dieter-C Wirtz, and Christian Kämper, and Klaus Radermacher
Helmholtz-Institute for Biomedical Engineering, RWTH Aachen University, Aachen, Germany. belei@hia.rwth-aachen.de

Metal-on-metal hip resurfacing arthroplasties represent an alternative to total hip arthroplasties for young and active patients, enabling the preservation of intact femoral bone and therefore improving the prognosis for future hip joint replacements. Follow-up studies have shown that the main reasons for early implant failure are mal-orientation of the implant stem in relation to the femoral neck axis, and notching of the femoral neck during femoral head preparation, as well as by exposed cancellous bone after implantation. A computer-assisted planning and navigation system for the implantation of femoral hip resurfacing implants has been developed which supports the surgeon during intraoperative fluoroscopy-based planning and navigation of implant positioning. This paper presents the results of a cadaver study performed to evaluate the system's functionality and accuracy.

UI MeSH Term Description Entries
D007091 Image Processing, Computer-Assisted A technique of inputting two-dimensional or three-dimensional images into a computer and then enhancing or analyzing the imagery into a form that is more useful to the human observer. Biomedical Image Processing,Computer-Assisted Image Processing,Digital Image Processing,Image Analysis, Computer-Assisted,Image Reconstruction,Medical Image Processing,Analysis, Computer-Assisted Image,Computer-Assisted Image Analysis,Computer Assisted Image Analysis,Computer Assisted Image Processing,Computer-Assisted Image Analyses,Image Analyses, Computer-Assisted,Image Analysis, Computer Assisted,Image Processing, Biomedical,Image Processing, Computer Assisted,Image Processing, Digital,Image Processing, Medical,Image Processings, Medical,Image Reconstructions,Medical Image Processings,Processing, Biomedical Image,Processing, Digital Image,Processing, Medical Image,Processings, Digital Image,Processings, Medical Image,Reconstruction, Image,Reconstructions, Image
D011474 Prosthesis Design The plan and delineation of prostheses in general or a specific prosthesis. Design, Prosthesis,Designs, Prosthesis,Prosthesis Designs
D002138 Calibration Determination, by measurement or comparison with a standard, of the correct value of each scale reading on a meter or other measuring instrument; or determination of the settings of a control device that correspond to particular values of voltage, current, frequency or other output. Calibrations
D005240 Feasibility Studies Studies to determine the advantages or disadvantages, practicability, or capability of accomplishing a projected plan, study, or project. Feasibility Study,Studies, Feasibility,Study, Feasibility
D005270 Femur Head The hemispheric articular surface at the upper extremity of the thigh bone. (Stedman, 26th ed) Femoral Head,Femoral Heads,Femur Heads,Head, Femoral,Head, Femur
D005471 Fluoroscopy Production of an image when x-rays strike a fluorescent screen. Fluoroscopies
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012984 Software Sequential operating programs and data which instruct the functioning of a digital computer. Computer Programs,Computer Software,Open Source Software,Software Engineering,Software Tools,Computer Applications Software,Computer Programs and Programming,Computer Software Applications,Application, Computer Software,Applications Software, Computer,Applications Softwares, Computer,Applications, Computer Software,Computer Applications Softwares,Computer Program,Computer Software Application,Engineering, Software,Open Source Softwares,Program, Computer,Programs, Computer,Software Application, Computer,Software Applications, Computer,Software Tool,Software, Computer,Software, Computer Applications,Software, Open Source,Softwares, Computer Applications,Softwares, Open Source,Source Software, Open,Source Softwares, Open,Tool, Software,Tools, Software
D014584 User-Computer Interface The portion of an interactive computer program that issues messages to and receives commands from a user. Interface, User Computer,Virtual Systems,User Computer Interface,Interface, User-Computer,Interfaces, User Computer,Interfaces, User-Computer,System, Virtual,Systems, Virtual,User Computer Interfaces,User-Computer Interfaces,Virtual System
D017755 Prosthesis Fitting The fitting and adjusting of artificial parts of the body. (From Stedman's, 26th ed) Prosthesis Adjustment,Adjustment, Prosthesis,Adjustments, Prosthesis,Fitting, Prosthesis,Fittings, Prosthesis,Prosthesis Adjustments,Prosthesis Fittings

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