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Дисертації з теми "Surfer Navigation"

Автор: Grafiati

Опубліковано: 3 червня 2025

Оновлено: 31 липня 2025

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1

Banach, Artur. "Visual navigation in minimally invasive surgery." Thesis, Queensland University of Technology, 2022. https://eprints.qut.edu.au/228730/1/Artur_Banach_Thesis.pdf.

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This thesis investigates how to maximise spatial information from surgical camera images for robotic navigation. Image enhancement and depth estimation techniques are extended to not only improve the visual navigation capability in robotic surgery, but enable more accurate clinical diagnosis. Targeted applications include bronchoscopy and arthroscopy, with trials using real and synthetic data demonstrating potential for improved clinical outcomes of minimally invasive surgery.

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2

Thoranaghatte, Ramesh U. "Endoscope based navigation for computer assisted surgery /." Bern : [s.n.], 2009. http://www.ub.unibe.ch/content/bibliotheken_sammlungen/sondersammlungen/dissen_bestellformular/index_ger.html.

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3

Langø, Thomas. "Ultrasound Guided Surgery: Image Processing and Navigation." Doctoral thesis, Norwegian University of Science and Technology, Faculty of Information Technology, Mathematics and Electrical Engineering, 2000. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-491.

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<p>The need for spectrally efficient transmission on mobile and wireless channels is prevalent. A promising scheme for such transmission is adaptive coded modulation. In this thesis, techniques for assessing the performance of such systems are presented. One of the vulnerable points of such systems is the need for a reliable feedback channel. Channel prediction is proposed as a technique to combat the harmful effects of feedback delay.</p><p>The Nakagami distribution is often employed in a model for the fading envelope of a wireless channel; this leads to a gamma-distributed signaltonoise rati

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4

SCHIAPPACASSE, ANDREA. "Intraoperative Navigation Systems for Image-Guided Surgery." Doctoral thesis, Università degli studi di Genova, 2018. http://hdl.handle.net/11567/929148.

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Recent technological advancements in medical imaging equipment have resulted in a dramatic improvement of image accuracy, now capable of providing useful information previously not available to clinicians. In the surgical context, intraoperative imaging provides a crucial value for the success of the operation. Many nontrivial scientific and technical problems need to be addressed in order to efficiently exploit the different information sources nowadays available in advanced operating rooms. In particular, it is necessary to provide: (i) accurate tracking of surgical instruments, (ii)

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5

Ceder, Viktor, and Alexander Nordh. "The Impact of Navigation on Survey Completion Rate." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-254685.

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There are several tools for creating online surveys. However, guidance is lacking for some of the decision-making regarding the survey design. This study aims to investigate if one of these choices, navigation, has an impact on the surveys completion rate. We developed our own tool that gave every other respondent one of two different designs. This lets us gather more information than tools such as Google Forms and SurveyMonkey. A qualitative approach was used and we let the students of a course at KTH answer questions about that course without having knowledge of this project. No conclusions

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6

Brockmeier, Peter Macy. "Surgical Navigation for Articular Cartilage Repair: Motivation, Development, and Validation." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1250219405.

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7

Sakai, Yoshihito, Yukihiro Matsuyama, Hisatake Yoshihara, et al. "Simultaneous registration with CT-fluoro matching for spinal navigation surgery." Nagoya University School of Medicine, 2006. http://hdl.handle.net/2237/6132.

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8

Totz, Johannes. "Appearance modelling and reconstruction for navigation in minimally invasive surgery." Thesis, Imperial College London, 2012. http://hdl.handle.net/10044/1/10531.

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Minimally invasive surgery is playing an increasingly important role for patient care. Whilst its direct patient benefit in terms of reduced trauma, improved recovery and shortened hospitalisation has been well established, there is a sustained need for improved training of the existing procedures and the development of new smart instruments to tackle the issue of visualisation, ergonomic control, haptic and tactile feedback. For endoscopic intervention, the small field of view in the presence of a complex anatomy can easily introduce disorientation to the operator as the tortuous access pathw

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9

Murlidaran, Shravan. "A mixed reality framework for surgical navigation: approach and preliminary results." Digital WPI, 2019. https://digitalcommons.wpi.edu/etd-theses/1296.

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The overarching purpose of this research is to understand whether Mixed Reality can enhance a surgeon’s manipulations skills during minimally invasive procedures. Minimally-invasive surgery (MIS) utilizes small cuts in the skin - or sometimes natural orifices - to deploy instruments inside a patient’s body, while a live video feed of the surgical site is provided by an endoscopic camera and displayed on a screen. MIS is associated with many benefits: small scars, less pain and shorter hospitalization time as compared to traditional open surgery. However, these benefits come at a cost: because

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10

Mcbeath, Jasmine Kyle. "NAVIGATION THROUGH THE DESERT MUSEUM AS DETERMINED BY GPS TRACKING AND EXIT SURVEY." Thesis, The University of Arizona, 2009. http://hdl.handle.net/10150/192551.

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11

CAO, PETER M. "AUTONOMOUS RUNWAY SOIL SURVEY SYSTEM WITH THE FUSION OF GLOBAL AND LOCAL NAVIGATION MECHANISM." University of Cincinnati / OhioLINK, 2004. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1085546827.

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12

Mehrtash, Alireza. "Needle Navigation for Image Guided Brachytherapy of Gynecologic Cancer." Thesis, KTH, Skolan för kemi, bioteknologi och hälsa (CBH), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-248042.

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In the past twenty years, the combination of the advances in medical imaging technologies and therapeutic methods had a great impact in developing minimally invasive interventional procedures. Although the use of medical imaging for the surgery and therapy guidance dates back to the early days of x-ray discovery, there is an increasing evidence in using the new imaging modalities such as computed tomography (CT), magnetic reso- nance imaging (MRI) and ultrasound in the operating rooms. The focus of this thesis is on developing image-guided interventional methods and techniques to support the r

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13

Chen, Min Si. "Calibration and registration of an image enhanced surgical navigation system for endoscopic sinus surgery." Thesis, University of East Anglia, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.439900.

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14

Bianchi, Alberto <1962&gt. "Simulation Guided Navigation in cranio-maxillo-facial surgery: a new approach to improve intraoperative three-dimensional accuracy and reproducibility during surgery." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2014. http://amsdottorato.unibo.it/6528/1/Tesi_Dottorato_Alberto_Bianchi.pdf.

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The aim of this PhD thesis " Simulation Guided Navigation in cranio- maxillo- facial surgery : a new approach to Improve intraoperative three-dimensional accuracy and reproducibility during surgery ." was at the center of its attention the various applications of a method introduced by our School in 2010 and has as its theme the increase of interest of reproducibility of surgical programs through methods that in whole or in part are using intraoperative navigation. It was introduced in Orthognathic Surgery Validation a new method for the interventions carried out according to the method Sim

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15

Bianchi, Alberto <1962&gt. "Simulation Guided Navigation in cranio-maxillo-facial surgery: a new approach to improve intraoperative three-dimensional accuracy and reproducibility during surgery." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2014. http://amsdottorato.unibo.it/6528/.

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The aim of this PhD thesis " Simulation Guided Navigation in cranio- maxillo- facial surgery : a new approach to Improve intraoperative three-dimensional accuracy and reproducibility during surgery ." was at the center of its attention the various applications of a method introduced by our School in 2010 and has as its theme the increase of interest of reproducibility of surgical programs through methods that in whole or in part are using intraoperative navigation. It was introduced in Orthognathic Surgery Validation a new method for the interventions carried out according to the method Sim

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16

Vasudevan, Devnath. "DETERMINATION OF EFFECTIVE TRAINING METHODS TO LEARN A LAPAROSCOPIC CAMERA NAVIGATION TASK UNDER STRESSFUL ENVIRONMENTS." VCU Scholars Compass, 2012. http://scholarscompass.vcu.edu/etd/2676.

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Stress in surgical environment is generally very high and can result in performance degradation increasing patient risk .Current Training systems for learning minimally invasive surgical skills do not consider the component of stress in their training model. In this study the focus was on developing alternative training models that would allow the learner to effectively perform minimally invasive skill under stress. Two alternate training methods: 1) Training under stress until high performance levels and 2) training until high performance and low cognitive load are achieved were considered fo

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17

Nishino, Hiroto. "Real-time Navigation for Liver Surgery Using Projection Mapping With Indocyanine Green Fluorescence: Development of the Novel Medical Imaging Projection System." Kyoto University, 2019. http://hdl.handle.net/2433/242358.

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18

Chitikeshi, Sanjeevi. "Intelligent instrumentation and a robust dynamic model for an ultrasonic navigation system for improved neuro-surgery /." Available to subscribers only, 2007. http://proquest.umi.com/pqdweb?did=1456292241&sid=11&Fmt=2&clientId=1509&RQT=309&VName=PQD.

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19

Lutz, Jean-Christophe. "Development of novel tools based on patient-specific models for guidance and education in orthognathic surgery." Thesis, Strasbourg, 2017. http://www.theses.fr/2017STRAD017/document.

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Notre pratique courante de la chirurgie orthognathique se heurte aux limites des outils standard de planification et de simulation ainsi qu’à l’absence d’assistance peropératoire. L’objectif de notre travail était de développer de nouveaux outils répondant à cette problématique. Ainsi, dans un premier temps, un algorithme de segmentation semi-automatique a permis une modélisation 3D patient-spécifique rapide et précise. Nous avons ensuite élaboré un logiciel de simulation des parties molles fondé sur un modèle mécanique de type masse-ressort permettant une précision millimétrique. Enfin, nous

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20

Agustinos, Anthony. "Navigation augmentée d'informations de fluorescence pour la chirurgie laparoscopique robot-assistée." Thesis, Université Grenoble Alpes (ComUE), 2016. http://www.theses.fr/2016GREAS033/document.

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La chirurgie laparoscopique reproduit fidèlement les principes de la chirurgie conventionnelle avec une agressioncorporelle minimale. Si cette chirurgie apparaît comme étant très avantageuse pour le patient, il s’agit d’une interventionchirurgicale difficile où la complexité du geste chirurgical est accrue, en comparaison avec la chirurgie conventionnelle.Cette complexité réside en partie dans la manipulation des instruments chirurgicaux et la visualisation dela scène chirurgicale (notamment le champ de visualisation restreint d’un endoscope classique). La prise de décisionsdu chirurgien pourr

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21

Edgcumbe, Philip. "Developing surgical navigation tools for minimally invasive surgery using ultrasound, structured light, tissue tracking and augmented reality." Thesis, University of British Columbia, 2017. http://hdl.handle.net/2429/63526.

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22

McAuliffe, Michael. "Alteration of the coronal plane soft tissues of the knee by osteoarthritis and total knee arthroplasty and the impact of this on surgical outcomes." Thesis, Queensland University of Technology, 2021. https://eprints.qut.edu.au/208431/1/Michael_McAuliffe_Thesis.pdf.

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This thesis examines how osteoarthritis alters the coronal plane tissues of the knee and subsequently how these tissues are affected by total knee replacement surgery. It progresses to document which peri-articular soft tissue parameters have the greatest influence on post-operative patient reported outcomes. This allows surgeons to consider their surgical hierarchy regarding soft tissue balancing. A novel surgical technique to achieve soft tissue balance is described. The thesis allows consideration of what may constitute optimal future adjunctive technology to help address the significant re

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23

Mundeleer, Laurent. "Modélisation d'un système de navigation chirurgicale pour le traitement par radio-fréquences des tumeurs du foie." Doctoral thesis, Universite Libre de Bruxelles, 2009. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/210264.

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Radiofrequency ablation (RFA) is a minimally invasive treatment for either hepatocellular carcinoma or metastasis liver carcinoma. In order to resect large lesions, the surgeon has to perform multiple time-consuming destruction cycles and reposition the RFA needle for each of them. The critical step in handling a successful ablation and preventing local recurrence is the correct positioning of the needle. For small tumors, the surgeon places the middle of the active needle tip in the center of the tumor under intra-operative ultrasound guidance. When one application is not enough to cover the

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24

Stiehler, Maik, Jens Goronzy, Stephan Kirschner, Albrecht Hartmann, Torsten Schäfer, and Klaus-Peter Günther. "Effect of surgical experience on imageless computer-assisted femoral component positioning in hip resurfacing – a preclinical study." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-173466.

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Background: The clinical outcome of hip resurfacing (HR) as a demanding surgical technique associated with a substantial learning curve depends on the position of the femoral component. The aim of the study was to investigate the effects of the level of surgical experience on computer-assisted imageless navigation concerning precision of femoral component positioning, notching, and oversizing rate, as well as operative time. Methods: Three surgeons with different levels of experience in both HR and computer-assisted surgery (CAS) prepared the femoral heads of 54 synthetic femurs using the Dur

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25

CECCHETTI, FRANCESCO. "Tecnologie CAD-CAM e chirurgia implantare protesicamente guidata: analisi di una nuova sistematica." Doctoral thesis, Università degli Studi di Roma "Tor Vergata", 2008. http://hdl.handle.net/2108/512.

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La Tomografia Assiale Computerizzata (TAC) e la Risonanza Magnetica Nucleare (RMN) sono le modalità adottate in medicina per ottenere immagini relative a sezioni del corpo umano. Nell’ultimo decennio la TAC è diventata lo strumento più diffuso per la valutazione della struttura ossea su cui effettuare il posizionamento di impianti dentali ). A tale scopo sono stati realizzati strumenti software che consentono un’elaborazione delle immagini ottenute con la TAC al fine di ottenere una diagnosi pre-operatoria corretta e una pianificazione dell’installazione dell’impianto . In lavori precedenti è

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26

Trautwein, Kathrin. "Präklinische Evaluierung des chirurgischen Navigationssystems „Surgical Cartographic Navigation System“ für die total endoskopische Bypassoperation an Herzphantomen." Doctoral thesis, Universitätsbibliothek Leipzig, 2011. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-77889.

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Herzinfarkt und Tod stellen häufige Folgen der koronaren Herzerkrankung dar, die durch eine rechtzeitige aortokoronare Bypassoperation vermieden werden können. Im Gegensatz zur klassischen offenen Operation bieten minimal invasive Verfahren entscheidende Vorteile. Die erschwerte Orientierung stellt jedoch eine große Herausforderung in der minimal invasiven Herzchirurgie dar, insbesondere bei der Verwendung telemanipulatorischer Systeme, wie bei der total endoskopischen Bypassoperation (TECAB). Die Entwicklung des „Surgical Cartographic Navigation System“ (SCNS) verspricht eine deutliche Verbes

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27

Larkin, Susan M. "Wheeled autonomous mobile robots for use in harsh environments : a survey of recent publications /." Thesis, This resource online, 1996. http://scholar.lib.vt.edu/theses/available/etd-01312009-063343/.

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28

Yutaka, Yojiro. "Localizing small lung lesions in video-assisted thoracoscopic surgery via radiofrequency identification marking." Kyoto University, 2018. http://hdl.handle.net/2433/235058.

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29

Vidwans, Ketan. "THE EFFECT OF A NAVIGATIONAL AID ON TRAINING OF A MINIMALLY INVASIVE SURGERY CAMERA TASK." VCU Scholars Compass, 2012. http://scholarscompass.vcu.edu/etd/2855.

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Minimally Invasive Surgery (MIS) differs from Open Surgery as surgeons view the surgical site indirectly on a monitor. The view shown is typically from an angled endoscope off to one side of the surgery (i.e., uncollocated with the view of the hands). This makes camera navigation a challenging ability to learn. MIS thus requires longer training periods, more practice and mental effort to achieve proficiency. Current training setups and Operating Room (OR) environments lack appropriate real-time visual cues for navigation and other perception related information that could help with learning an

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30

Scarponi, Valentina. "Towards autonomous endovascular surgery : development of assistance tools for computer-aided interventions." Electronic Thesis or Diss., Strasbourg, 2024. http://www.theses.fr/2024STRAD051.

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Le traitement des maladies cardiovasculaires nécessite de naviguer des guides et des cathéters à travers l'anatomie vasculaire. Cette tâche peut être très complexe et entraîne souvent des procédures prolongées au cours desquelles le patient et le clinicien sont exposés aux radiations des rayons X.Pour remédier à cette limitation, ce manuscrit propose deux systèmes principaux : l'un qui améliore les images fluoroscopiques et l'autre qui navigue de manière autonome les instruments chirurgicaux. Le premier est essentiellement un système d'assistance, superposant les images fluoroscopiques classiq

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31

Schäffler, Christian Aljoscha. "Experimentelle Studie zum Vergleich der Computernavigation mit 2D- und 3D-Bildwandlertechnologie am Beispiel der Pedikelschraubeninsertion im Bereich der LWS." Doctoral thesis, Humboldt-Universität zu Berlin, Medizinische Fakultät - Universitätsklinikum Charité, 2006. http://dx.doi.org/10.18452/15405.

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Im Rahmen einer experimentellen Vergleichsstudie zweier bildwandlergestützter Navigationssysteme wurde die 3D-bildwandlergestützte Navigation mit der 2D-bildwandlergestützten Navigation zur Pedikelschraubenplatzierung am Modell getestet. Neben der Präzision der Bohrungen in einem postoperativen CT wurden Bildqualität, Genauigkeit des 3D-Scans, Planbarkeit und Umsetzung der Bohrungen bewertet und verglichen. Mit der 3D- Bildwandler- Navigation wurden 38 der 40 Bohrungen exakt platziert (95%). Eine Planung wurde durch einen Softwarefehler der Alpha-Version auf dem Monitor falsch wiedergegeben

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32

Lindberg, Caroline. "Vinge för vågförbättring vid flöde över segmentlucka." Thesis, KTH, Maskinkonstruktion (Inst.), 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-141663.

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Tikab Strukturmekanik AB, (Tikab), ett teknikkonsultföretag, har utvecklat en systemhandling för en ny sluss till ”nya Slussen” i Stockholm på uppdrag av Stockholm stad, Exploateringskontoret. En del i projektet var att även skapa attraktiva bonusfunktioner till anläggningen. Innan detta projekt startades hade Tikab visat att den konstruerade segmentluckan kunde användas för att skapa stående vågor nedströms luckan. Dessa vågor ansågs vara intressanta för vågsurfing.Målet med detta examensarbete var att utveckla en konstruktion utan rörliga delar som skulle kunna förbättra vågparametrar hos de

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33

DeGirolamo, Gregory J. "Impact of Sequence and Cognitive Aging On Spatial Learning From Ground Level and Aerial Perspectives." Cleveland State University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=csu1336103643.

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34

Monge, Frédéric. "Imagerie fonctionnelle peropératoire naviguée pour l'optimisation de la chirurgie des tumeurs cérébrales." Thesis, Rennes 1, 2016. http://www.theses.fr/2016REN1B013/document.

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Les gliomes sont des tumeurs cérébrales primitives représentant le deuxième cancer le plus fréquent chez l’enfant et la troisième cause de mortalité chez l’adulte jeune. Il a été démontré qu’une chirurgie d’exérèse tumorale permet d’augmenter la qualité et la durée de vie du patient, voir même dans certains cas, d’obtenir sa guérison. L’identification intraopératoire des résidus tumoraux permettrait au chirurgien de vérifier, in situ, la qualité de son geste d’exérèse. Une nouvelle modalité d’imagerie intraopératoire a été proposée comme solution pour détecter les tumeurs résiduelles. Elle se

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35

Azizi, Koutenaei Bamshad [Verfasser], Nassir [Akademischer Betreuer] Navab, Nassir [Gutachter] Navab, Kevin [Gutachter] Cleary, and Sean [Gutachter] Tabaie. "Computer-Assisted Navigation Methods for Screw Placement in Slipped Capital Femoral Epiphysis Surgery / Bamshad Azizi Koutenaei ; Gutachter: Nassir Navab, Kevin Cleary, Sean Tabaie ; Betreuer: Nassir Navab." München : Universitätsbibliothek der TU München, 2021. http://d-nb.info/1235664511/34.

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36

Schnake, Klaus John. "CT-basierte Computernavigation von Pedikelschrauben an der Brustwirbelsäule." Doctoral thesis, Humboldt-Universität zu Berlin, Medizinische Fakultät - Universitätsklinikum Charité, 2002. http://dx.doi.org/10.18452/14782.

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Die Einführung der Computer-assistierten Navigation von Pedikelschrauben an der Wirbelsäule in den klinischen Alltag konnte in mehreren Studien eine signifikante Senkung der Fehlplatzierungsraten auf deutlich unter 10% zeigen. Es existieren aber nur spärliche Daten bezüglich der Navigation an der Brustwirbelsäule und deren Anwendung bei unfallchirurgischen Patienten, typischerweise mit frischen Frakturen. Ziel dieser Arbeit war es, die Genauigkeit der CT-basierten Navigation von Pedikelschrauben an der Brustwirbelsäule mit Hilfe eines optoelektronischen Navigationssystems bei Patienten mit Fra

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37

Fox, Michael J. "Effects of Orientation Change on Spatial Learning of Novel Environments on Younger and Older Adults." Cleveland State University / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=csu1420839362.

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38

Zhou, Mingchuan [Verfasser], Alois C. [Akademischer Betreuer] Knoll, Kai [Gutachter] Huang, Iulian I. [Gutachter] Iordachita, and Alois C. [Gutachter] Knoll. "Towards Autonomy in Vitreoretinal Surgery: Robotic Subretinal Injection with Optical Tomography Coherence Images Navigation / Mingchuan Zhou ; Gutachter: Kai Huang, Iulian I. Iordachita, Alois C. Knoll ; Betreuer: Alois C. Knoll." München : Universitätsbibliothek der TU München, 2020. http://d-nb.info/1213025958/34.

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39

Gallardo, Luna Oscar. "Steering system for a neurosurgical microrobot." Electronic Thesis or Diss., Valenciennes, Université Polytechnique Hauts-de-France, 2024. http://www.theses.fr/2024UPHF0036.

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Les outils neurochirurgicaux actuels sont limités par leur structure rigide, qui les contraint à des trajectoires en ligne droite, rendant difficile l'accès aux régions profondes du cerveau. Pour répondre à cette limitation, Robeauté a développé un microrobot minimalement invasif, capable de naviguer le long d'une trajectoire 3D. Cette thèse vise à concevoir, fabriquer et intégrer un système de navigation au bout du microrobot pour permettre cette navigation 3D.Le cahier des charges pour le développement du système de navigation inclut une invasivité minimale, une force suffisante pour oriente

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40

Freisinger, Gregory Martin. "Varus-Valgus Knee Laxity and Biomechanical Function in Patients with Severe Osteoarthritis and after Total Knee Arthroplasty." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1429805221.

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41

Kaladji, Adrien. "Apport de l'assistance par ordinateur lors de la pose d'endoprothèse aortique." Thesis, Rennes 1, 2015. http://www.theses.fr/2015REN1B008/document.

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Les techniques endovasculaires, particulièrement pour l’aorte, sont en plein essor en chirurgie vasculaire. Ces techniques mini-invasives permettent de diminuer l’agression chirurgicale habituellement importante lors de la chirurgie conventionnelle. Les limites techniques sont repoussées à certaines localisations de l’aorte qui étaient il y a encore peu de temps inaccessibles aux endoprothèses. Le succès et l’efficience de ces interventions reposent en partie sur l'élaboration et la mise en œuvre de nouveaux outils d'aide à la décision. Ce travail entend contribuer à l’amélioration des procédu

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42

Hofbauer, Vincent Roman. "Insertionskontrolle bei Ersatz des vorderen Kreuzbandes mit einem Bildwandler gestützten Navigationssystem." Doctoral thesis, Humboldt-Universität zu Berlin, Medizinische Fakultät - Universitätsklinikum Charité, 2006. http://dx.doi.org/10.18452/15514.

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Die Ruptur des vorderen Kreuzbandes (VKB) zählt zu den häufigsten Bandverletzungen des Menschen und wird vor allem bei jungen, aktiven Menschen primär operativ versorgt. Obwohl sich das Verständnis der Anatomie, Funktion und die Operationstechniken stetig verbessert haben ist heute die Revisionsrate nach VKB - Operation hoch. Die optimale Platzierung der Insertionspunkte ist unter arthroskopischen Bedingungen einer der kritischsten Schritte der Operation. Das Ziel der Studie war, ein Bildwandler (BV) basiertes Navigationsverfahren zu entwickeln und zu evaluieren, mit dem der femorale Bohrkanal

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43

Minguell, Monyart Joan. "Estudio comparativo de la estabilidadrotacional y traslacional de dos técnicas quirúrgicas de reconstrucción del ligamento cruzado anterior mediante cirugía guiada por navegador: técnica monotúnel no anatómica vs técnica anteromedial anatómica." Doctoral thesis, Universitat Autònoma de Barcelona, 2015. http://hdl.handle.net/10803/289643.

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Objetivo: Comparar las técnicas de reconstrucción del LCA por portal Anteromedial (AM) y la técnica monotúnel o Transtibial modificada (TT) desde el punto de vista biomecánico, anatómico y clínico a corto plazo, con un seguimiento mínimo de 1 año. Hipótesis del estudio: La técnica AM reproduce mejor la anatomía y biomecánica de la rodilla con el consiguiente mejor resultado clínico. Material y Métodos: Estudio prospectivo y aleatorizado en 106 pacientes afectos de ruptura crónica del LCA (55 AM, 51 TT) entre julio de 2010 y marzo de 2013. No existen diferencias significativas en edad media

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44

Della, Schiava Nellie. "Development of electrostrictive P(VDF-TrFE-CTFE) terpolymer for medical applications." Thesis, Lyon, 2020. http://www.theses.fr/2020LYSEI112.

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Au XXIe siècle, les maladies cardiovasculaires sont devenues une cause majeure de mortalité, la première au monde, la deuxième en France après les cancers. En effet, les facteurs de risque cardiovasculaires ont augmenté de façon significative au cours des dernières décennies et ce phénomène se poursuit aujourd'hui. Ces facteurs sont responsables du développement de l’athérosclérose et mènent à des syndromes coronariens aigus, des crises cardiaques, des accidents cérébrovasculaires, des insuffisances rénales mais également à des maladies artérielles périphériques et à des anévrysmes artériels.

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45

Koivukangas, T. (Tapani). "Methods for determination of the accuracy of surgical guidance devices:a study in the region of neurosurgical interest." Doctoral thesis, Oulun yliopisto, 2012. http://urn.fi/urn:isbn:9789514299049.

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Abstract Minimally invasive surgery (MIS) techniques have seen rapid growth as methods for improved operational procedures. The main technology of MIS is based on image guided surgery (IGS) devices, namely surgical navigators, surgical robotics and image scanners. With their widespread use in various fields of surgery, methods and tools that may be used routinely in the hospital setting for “real world” assessment of the accuracy of these devices are lacking. In this thesis the concept of accuracy testing was developed to meet the needs of quality assurance of navigators and robots in a hospit

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46

Azad, Sherwin N. "Computer assisted navigation in spine surgery." Thesis, 2015. https://hdl.handle.net/2144/15634.

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INTRODUCTION: Computer aided navigation is an important tool which has the capability to enhance surgical accuracy, while reducing negative outcomes. However, it is a relatively new technology and has not yet been accepted as the standard of care in all settings. OBJECTIVES: The objective of the present study is to present the development and current state of technologies in computer aided navigation in Orthopedic Spine Surgery, specifically in navigated placement of pedicle screws, to examine the clinical need for navigation, it's effect on surgical accuracy and clinical outcome and to dete

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Li, John. "An Augmented Virtuality Navigation System for Arthroscopic Knee Surgery." Thesis, 2010. http://hdl.handle.net/1974/6210.

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Arthroscopic knee surgery can be challenging because there is no intuitive relationship between the arthroscopic image, shown on a screen above the patient, and the camera in the surgeon's hand. As a result, arthroscopic surgeons require extensive training and experience. This thesis describes a computer system to help improve target acquisition in arthroscopy by visualizing the location and alignment of an arthroscope using augmented virtuality. A 3D computer model of the patient's joint (from CT) is shown, along with a model of the tracked arthroscopic probe and the projection of the ca

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48

Yichi, Cheng, and 鄭逸琦. "Surgical Planning and Navigation System for Plastic Surgery." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/77585557337981804168.

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49

Yen, Yu-Hong, and 顏毓宏. "Development of Intelligent Navigation Workflow andTraining for Spinal Surgery." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/12645496827549995725.

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碩士<br>國立成功大學<br>機械工程學系碩博士班<br>95<br>In this research, we developed an intelligent navigation workflow and computer-aided training system for pedicle screw implantation in spinal surgery. Base on the biplane X-ray imaging of a lumbar saw bone, spatial coordinate correlations between the physical saw bone and the 3D digitizer built an off-line training environment. A senior spine surgeon sketched 2D safety areas on biplane images to be projective intersection to generate 3D safety zones for pedicle insertion. The physicians are able to operate a 3D digitizer to set pedicle drilling position and

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50

Lai, Ta-wei, and 賴大維. "Acceptance Model of Computer Assistance Navigation System in Orthopedic Surgery." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/53856365788674594013.

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碩士<br>國立中正大學<br>資訊管理所<br>96<br>Computer Assistance Orthopedic Navigation System（CAOS）is the newest application of information technology in orthopedics operation for the past five years. The research model and related hypotheses of this study are based on the Technology Acceptance Model（TAM）and Theory of Planned Behavior (TPB) with external variables that might influence orthopedic surgeons’ acceptance. The questionnaires were distributed to orthopedic surgeons in medial centers and regional teaching hospitals in Taiwan which have adopted the CAOS for two years or more. Through statistic analy

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