You have accessJournal of UrologyTechnology & Instruments: Laparoscopy and Robotics: Malignant Disease I1 Apr 2015PD15-02 DEVELOPMENT OF NEW THREE-DIMENSIONAL IMAGE SYSTEM FOR TRANSURETHRAL SURGERY Soichiro Yoshida, Tsuneo Fukuyo, Masaya Ito, Manabu Tatokoro, Junichiro Ishioka, Yoh Matsuoka, Noboru Numao, Kazutaka Saito, Yasuhisa Fujii, and Kazunori Kihara Soichiro YoshidaSoichiro Yoshida More articles by this author , Tsuneo FukuyoTsuneo Fukuyo More articles by this author , Masaya ItoMasaya Ito More articles by this author , Manabu TatokoroManabu Tatokoro More articles by this author , Junichiro IshiokaJunichiro Ishioka More articles by this author , Yoh MatsuokaYoh Matsuoka More articles by this author , Noboru NumaoNoboru Numao More articles by this author , Kazutaka SaitoKazutaka Saito More articles by this author , Yasuhisa FujiiYasuhisa Fujii More articles by this author , and Kazunori KiharaKazunori Kihara More articles by this author View All Author Informationhttps://doi.org/10.1016/j.juro.2015.02.1319AboutPDF ToolsAdd to favoritesDownload CitationsTrack CitationsPermissionsReprints ShareFacebookTwitterLinked InEmail INTRODUCTION AND OBJECTIVES Three-dimensional (3D) imaging techniques have been increasingly used in medical fields, especially for laparoscopic surgery. However, introducing specialized 3D endoscopes for every medical procedure is costly. In addition, application of 3D laparoscopy at close-range results in double vision due to the large binocular parallax. To introduce 3D imaging techniques to transurethral surgery, which requires a thin endoscope and precise maneuvers at close-range, we developed a real-time 2D-3D image system. We applied this system to transurethral surgery using conventional 2D cystoscopy. METHODS Our newly developed 3D imaging system can be applied to any monocular endoscopic system. With the conventional 2D cystoscope image as the only input for the algorithm, image reconstruction is processed to generate a real-time 3D virtual image that matches the operator□fs convergence angle. The processed image directly sends output to a 3D display or 3D head-mounted display (HMD). Four surgeons performed TURB using the 3D vision reconstructed by this system. RESULTS Real-time 3D reconstruction of the cystoscopic image was performed in all patients during the surgery. All operators perceived depth estimation, which helped them understand the status of the intravesical space, and they perceived neither time-lag resulting from 3D processing nor double-vision. The TURB procedure was successfully performed in all patients, and there were no notable negative postoperative outcomes or incidents. 3D-HMD allows the wearer to monitor the processed 3D image in front of the eyes in an ergonomically efficient posture. CONCLUSIONS This is the first practical system that allows the operator to perform transurethral surgery using 3D vision. This novel 3D system can introduce 3D imaging to various medical procedures including transurethral surgery, which provides the operator intuitive spatial recognition. © 2015 by American Urological Association Education and Research, Inc.FiguresReferencesRelatedDetails Volume 193Issue 4SApril 2015Page: e324 Advertisement Copyright & Permissions© 2015 by American Urological Association Education and Research, Inc.MetricsAuthor Information Soichiro Yoshida More articles by this author Tsuneo Fukuyo More articles by this author Masaya Ito More articles by this author Manabu Tatokoro More articles by this author Junichiro Ishioka More articles by this author Yoh Matsuoka More articles by this author Noboru Numao More articles by this author Kazutaka Saito More articles by this author Yasuhisa Fujii More articles by this author Kazunori Kihara More articles by this author Expand All Advertisement Advertisement PDF downloadLoading ...