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Endoscopic naviagion for minimally invasive suturing
JournalArticle (Originalarbeit in einer wissenschaftlichen Zeitschrift)
ID 1194025
Author(s) Wengert, Christian; Bossard, Lukas; Baur, Charles; Székely, Gábor; Cattin, Philippe C
Author(s) at UniBasel Cattin, Philippe Claude
Year 2008
Title Endoscopic naviagion for minimally invasive suturing
Journal Computer aided surgery
Volume 13
Number 5
Pages / Article-Number 299-310
Keywords Endoscopy, navigation, augmented reality, depth cues, suturing needle
Abstract Manipulating small objects such as needles, screws or plates inside the human body during minimally invasive surgery can be very difficult for less experienced surgeons due to the loss of 3D depth perception. Classical navigation techniques are often incapable of providing support in such situations, as the augmentation of the scene with the necessary artificial markers--if possible at all--is usually cumbersome and leads to increased invasiveness. We present an approach relying solely on a standard endoscope as a tracking device for determining the pose of such objects, using the example of a suturing needle. The resulting pose information is then used to generate artificial 3D cues on the 2D screen to provide optimal support for surgeons during tissue suturing. In addition, if an external tracking device is provided to report the endoscope's position, the suturing needle can be directly tracked in the world coordinate system. Furthermore, a visual navigation aid can be incorporated if a 3D surface is intraoperatively reconstructed from the endoscopic video stream or registered from preoperative imaging.
Publisher Wiley-Liss
ISSN/ISBN 1092-9088
Full Text on edoc No
Digital Object Identifier DOI 10.3109/10929080802337914
PubMed ID
ISI-Number WOS:000260918200006
Document type (ISI) Journal Article

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