title: Method, accuracy and limitation of computer interaction in the operating room by a navigated surgical instrument.
abstract: This article describes a new interaction device for surgical navigation systems--the so-called navigation mouse system. The idea is to use a tracked instrument of a surgical navigation system like a pointer to control the software. The new interaction system extends existing navigation systems with a microcontroller-unit. The microcontroller-unit uses the existing communication line to extract the needed 3D-information of an instrument to calculate positions analogous to the PC mouse cursor and click events. These positions and events are used to manipulate the navigation system. In an experimental setup the reachable accuracy with the new mouse system is shown.
authors.affiliation: Institute for Micro Technology and Medical Device Technology, Technische Universität München, Garching, Germany. florian.hurka@ergosurg.com
authors.forename: Florian
authors.initials: F
authors.lastname: Hurka
authors.forename: Thomas
authors.initials: T
authors.lastname: Wenger
authors.forename: Sebastian
authors.initials: S
authors.lastname: Heininger
authors.forename: Tim C
authors.initials: TC
authors.lastname: Lueth
mesh_terms: D000465:Algorithms; D016287:Computer Peripherals; D004867:Equipment Design; D019544:Equipment Failure Analysis; D008328:Man-Machine Systems; D015203:Reproducibility of Results; D012371:Robotics / Q000295:instrumentation*; D012680:Sensitivity and Specificity; D025321:Surgery, Computer-Assisted / Q000295:instrumentation*