Outpatient Surgery Magazine

Watch Your Step - May 2014 - Subscribe to Outpatient Surgery Magazine

Outpatient Surgery Magazine, providing current information on Surgical Services, Surgical Facility Administration, Outpatient Surgery News and Trends, OR Excellence and more.

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1 1 8 O U T P AT I E N T S U R G E R Y M A G A Z I N E O N L I N E | M AY 2 0 1 4 A new surgical navigation system that uses images from an ordinary mobile C- arm provides more accurate results and more efficient opera- tion than current state-of-the-art image-guidance sys- tems, say researchers. The innovative comput- erized orientation process could improve precision and patient safety in a wide range of minimally invasive procedures, particularly spine surgery and neuro- surgery, write the Johns Hopkins University engineers in a recent issue of the journal Physics in Medicine and Biology. Setting up a conventional image-guidance system for use during sur- gery necessitates a laborious process known as registration, the corre- spondence of points on a patient's body to those appearing in a pre-op CT image that lets the system orient its images. "The registration process can be error-prone, require multiple manu- al attempts to achieve high accuracy and tends to degrade over the course of the operation," says Jeffrey Siewerdsen, PhD, a professor of biomedical engineering at Johns Hopkins. A New Twist on Image-Guided Surgery The standard C-arm could revolutionize surgical navigation. PRODUCT News ON TARGET Graduate stu- dent Ali Uneri demonstrates the new surgical guidance system, which uses images from a mobile C-arm. Johns Hopkins Medicine Great ideas for your OR OSE_1405_part3_Layout 1 5/8/14 2:29 PM Page 118

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