Browsing SINTEF Teknologi og samfunn by Author "Tangen, Geir Arne"
Now showing items 1-6 of 6
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3D ultrasound reconstruction algorithms from analog and digital data
Solberg, Ole Vegard; Lindseth, Frank; Bø, Lars Eirik; Muller, Sebastien; Meland, Janne Beate Lervik; Tangen, Geir Arne; Hernes, Toril A. Nagelhus (Journal article; Peer reviewed, 2011) -
Accuracy of electromagnetic tracking with a prototype field generator in an interventional OR setting
Bø, Lars Eirik; Leira, Håkon Olav; Tangen, Geir Arne; Hofstad, Erlend Fagertun; Amundsen, Tore; Langø, Thomas (Journal article; Peer reviewed, 2012)Purpose: The authors have studied the accuracy and robustness of a prototype electromagnetic window field generator (WFG) in an interventional radiology suite with a robotic C-arm. The overall purpose is the development ... -
Efficiency of ultrasound training simulators: Method for assessing image realism
Bø, Lars Eirik; Gjerald, Sjur Urdson; Brekken, Reidar; Hernes, Toril A. Nagelhus; Tangen, Geir Arne (Journal article; Peer reviewed, 2010) -
Laboratory test of Single Landmark registration method for ultrasound-based navigation in laparoscopy using an open-source platform
Perez de Frutos, Javier; Hofstad, Erlend Fagertun; Solberg, Ole Vegard; Tangen, Geir Arne; Lindseth, Frank; Langø, Thomas; Elle, Ole Jacob; Mårvik, Ronald (Journal article; Peer reviewed, 2018)Purpose Test the feasibility of the novel Single Landmark image-to-patient registration method for use in the operating room for future clinical trials. The algorithm is implemented in the open-source platform CustusX, a ... -
Manually steerable catheter with improved agility
Tangen, Geir Arne; Manstad-Hulaas, Frode; Nypan, Erik; Brekken, Reidar (Journal article; Peer reviewed, 2018)Purp ose: A prototype steerable catheter was designed for endovascular procedures. This technical pilot study reports the initial experience using the catheter for cannulation of visceral arteries. Technique: The 7F catheter ... -
Navigated retrograde endoscopic myotomy (REM) for the treatment of therapy-resistant achalasia
Pham, Khanh Do-Cong; Havre, Roald Flesland; Langø, Thomas; Hofstad, Erlend Fagertun; Tangen, Geir Arne; Mårvik, Ronald; Pham, T.; Gilja, Odd Helge; Hatlebakk, Jan Gunnar; Viste, Asgaut (Journal article; Peer reviewed, 2018)Background In achalasia, muscle spasm may involve the proximal esophagus. When the muscle spasm is located in the proximal esophagus, conventional per oral endoscopic myotomy (POEM) may not be sufficient to relieve symptoms. ...