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Minimally invasive surgery offers the benefits of reduced patient trauma, faster recovery and shorter hospital stay to the patients, what motivates its development towards further less invasive applications. In this work, we present a concept for adapting our 3D-printed overtube manipulator to single incision laparoscopic surgery. Furthermore, we describe the integration of a surgeon supporting ultrasound...
This article presents a new method for the data fusion of the intraoperative Electromyography (EMG) signals from a nerve monitor with the position information from a surgical navigation system. In principle, EMG signals and the position information are merged with each other based on the distance-threshold relationship. The merged information can be used to control the power of active surgical instruments...
Image-guided surgical navigation is on the rise in many different areas of modern medicine and is already an established standard in some disciplines like ear nose and throat (ENT) or maxillofacial surgery. When evaluating surgical navigation systems the absolute accuracy of the device is of major concern to the surgeon. The following work presents two different ways of measuring the accuracy of surgical...
Ultrasonography is a widespread intraoperative imaging modality. However, it suffers from several shortcomings e.g. its dependance on the skills of the operator for the image quality. To overcome this shortcoming, Gumprecht et al. [1] recently proposed a new robot-assisted flat-panel ultrasound device for continuous intraoperative imaging during laparoscopic tumor resection in urology. This device...
Surgical navigation systems are used widely among all fields of modern medicine, including, but not limited to ENT- and maxillofacial surgery. As a fundamental prerequisite for image-guided surgery, intraoperative registration, which maps image to patient coordinates, has been subject to many studies and developments. While registration methods have evolved from invasive procedures like fixed stereotactic...
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