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Optical coherence tomography as a tracking device for OCT guided laser cochleostomy: algorithm and first results

Yaokun Zhang, Tom Pfeiffer, Jia Ding, Wolfgang Wieser, Marcel Weller, Robert Huber, Jörg Raczkowsky, Heinz Wörn, Thomas Klenzner
2012 CURAC Jahrestagung  
This is insufficient for an optical coherence tomography (OCT) guided laser cochleostomy which requires a much higher accuracy.  ...  In this paper, we evaluate the use of OCT itself as a tracking device by locating artificial landmarks generated around the cochleostomy.  ...  Acknowledgements This research was sponsored by the German Research Foundation project OCT-LABS (DFG -WO720/25-1, KL2113/1-1, HU1006/2-1).  ... 
dblp:conf/curac/ZhangPDWWHRWK12 fatcat:v5gmukqbprf5jjprgi4shdcsee

Optical Coherence Tomography Guided Laser Cochleostomy: Towards the Accuracy on Tens of Micrometer Scale

Yaokun Zhang, Tom Pfeiffer, Marcel Weller, Wolfgang Wieser, Robert Huber, Jörg Raczkowsky, Jörg Schipper, Heinz Wörn, Thomas Klenzner
2014 BioMed Research International  
OCT itself is also used as a highly accurate tracking system for motion compensation between the target area and the optics.  ...  In this work, we demonstrate a closed-loop control of a short-pulsed CO2laser to perform laser cochleostomy under the monitoring of an optical coherence tomography (OCT) system.  ...  Acknowledgments This research was supported by the German Research Foundation (DFG) project OCT-LABS.  ... 
doi:10.1155/2014/251814 pmid:25295253 pmcid:PMC4177734 fatcat:rfqu22sezvebrhlynuhmi44dhu

Feasibility Assessment of Optical Coherence Tomography-Guided Laser Labeling in Middle Cranial Fossa Approach

Saleh Mohebbi, Jakob Lexow, Alexander Fuchs, Thomas Rau, Sebastian Tauscher, Marjan Mirsalehi, Seyed Mousa Sadr Hosseini, Tobias Ortmaier, Thomas Lenarz, Omid Majdani
2018 Iranian Journal of Otorhinolaryngology  
A feasibility study was performed to investigate the combination of cone beam computed tomography (CBCT), optical coherence tomography (OCT), and laser ablation to assist a surgeon in a middle cranial  ...  A combined OCT laser setup was used to outline the position of IAC on the surface of the petrous bone in cadaveric semi-heads.  ...  Cone beam computed tomography-guided laser ablation The OCT-guided laser setup was used to track the titanium markers on the craniotomy edge in the lowest part of its cubic spectral field.  ... 
pmid:30560097 pmcid:PMC6291819 fatcat:ttqxhdgksvbulmnopbregosq3i

Review of intraoperative optical coherence tomography: technology and applications [Invited]

Oscar M. Carrasco-Zevallos, Christian Viehland, Brenton Keller, Mark Draelos, Anthony N. Kuo, Cynthia A. Toth, Joseph A. Izatt
2017 Biomedical Optics Express  
The widespread clinical adoption of optical coherence tomography (OCT) in ophthalmology and its growing prominence in other fields, such as cancer imaging, has motivated the development of intraoperative  ...  We focus on handheld OCT probes, microscope-integrated OCT systems, and OCT-guided laser treatment platforms designed for intraoperative use.  ...  Another reported OCT system was used to guide laser-based cochleostomy, in which OCT image-based active tracking was implemented for motion compensation and improved 3D positioning of the laser application  ... 
doi:10.1364/boe.8.001607 pmid:28663853 pmcid:PMC5480568 fatcat:i63ethetfzfbjapltoswn46lee

Optical Coherence Tomography guided Laser-Cochleostomy

Yaokun Zhang
OCT itself is also used as a highly accurate optical tracking system for motion compensation between the target area and the laser optics.  ...  In this work, an optical coherence tomography (OCT) guided lasercochleostomy system has been proposed and successfully realized for future surgical applications at the inner ear.  ...  Within the scope of this doctoral thesis, an optical coherence tomography guided laser-cochleostomy system is proposed and successfully developed.  ... 
doi:10.5445/ksp/1000044633 fatcat:w2sswvpxh5f6dfk3gu32c7fefq

Evolution of autonomous and semi-autonomous robotic surgical systems: a review of the literature

G. P. Moustris, S. C. Hiridis, K. M. Deliparaschos, K. M. Konstantinidis
2011 International Journal of Medical Robotics and Computer Assisted Surgery  
Results Our search yielded several experimental and clinical applications, describing progress in autonomous surgical manoeuvres, ultrasound guidance, optical coherence tomography guidance, cochlear implantation  ...  For example, mobile mini-robots for in vivo operation have already been described in the literature (124,125), as well as hyper-redundant (snake) robots (126,127), continuum  ...  Optical coherence tomography guidance for vitreoretinal surgery Optical coherence tomography (OCT) is a relatively new optical tomographic technology which uses light in order to capture 2D and 3D images  ... 
doi:10.1002/rcs.408 pmid:21815238 fatcat:wxpuzdc6uva2bniq6u7jjnkybi

Concept for Markerless 6D Tracking Employing Volumetric Optical Coherence Tomography

Matthias Schlüter, Lukas Glandorf, Martin Gromniak, Thore Saathoff, Alexander Schlaefer
2020 Sensors  
In this work, we propose a 6D tracking approach employing volumetric optical coherence tomography (OCT) images.  ...  OCT has a micrometer-scale resolution and employs near-infrared light to penetrate few millimeters into, for example, tissue.  ...  For these reasons, we propose to consider the imaging modality optical coherence tomography (OCT) for markerless tracking.  ... 
doi:10.3390/s20092678 pmid:32397153 pmcid:PMC7248981 fatcat:wmvhwuvbe5hdrl2el7vi6xivhi

A deep learning approach for pose estimation from volumetric OCT data

Nils Gessert, Matthias Schlüter, Alexander Schlaefer
2018 Medical Image Analysis  
Tracking the pose of instruments is a central problem in image-guided surgery. For microscopic scenarios, optical coherence tomography (OCT) is increasingly used as an imaging modality.  ...  We address pose estimation from OCT volume data with a new deep learning-based tracking framework.  ...  Moreover, OCT has been studied as a tracking system for cochleostomy by using artificial markers created with a laser (Zhang and Wörn, 2014) .  ... 
doi:10.1016/ pmid:29550582 fatcat:5jwsfzvbsbetpkgaexmr636tre

The beginning of a new era in bone surgery Effectiveness and clinical application of a cold-ablation and robot-guided laser osteotome

Marcello Augello
Georg Schulz, Biomaterials Science Center, University of Basel, Switzerland, for performing the micro-CT scans.  ...  Pfeiffer T, Weller M, Wieser W, Huber R, Raczkowsky J, Schipper J, Wörn H, Klenzner T. (2014) Optical coherence tomography guided laser cochleostomy: towards the accuracy on tens of micrometer scale  ...  In this context, optical coherence tomography (OCT) offers promising potential. In this regard, the paper of Fuchs et al.  ... 
doi:10.5451/unibas-ep79435 fatcat:yovq2qnxize45fhr5fv4l35xei

A continuum robotic platform for endoscopic non-contact laser surgery: design, control, and preclinical evaluation

Dennis Kundrat, Technische Informationsbibliothek (TIB)
Experimental trials characterise the optical properties and the ablation performance. A robotic platform is realised for manipulation of the focusing optics.  ...  For focusing of the laser beam close to the target tissue, this work first presents miniaturised focusing optics that can be integrated into endoscopic systems.  ...  Afterwards, each specimen was analysed with swept-source optical coherence tomography (OCT) (OCS1300SS, Thorlabs Inc., NJ, USA).  ... 
doi:10.15488/12200 fatcat:bmgjt46imbeixjjgopqg3igchq

Oral sessions

2014 Journal of Vestibular Research-Equilibrium & Orientation  
Optical coherence tomography (OCT) is a non-destructive cross-sectional imaging modality which utilizes near infra-red light.  ...  Inner Ear Morphology, Imaging M-1 VISUALIZATION OF INNER EAR STRUCTURE USING OPTICAL COHERENCE TOMOGRAPHY (OCT) Ito, Juichi Kyoto University Introduction: Recent advancements of inner ear researches,  ...  Results: The peer-support program comprises the following elements: It first assesses the diagnosis and individual participant's disorder profile.  ... 
doi:10.3233/ves-140516 pmid:24837206 fatcat:bn4poll2njcjlbytqhpt3ni3le

Ungrounded haptic-feedback for hand-held surgical robots

Christopher Payne, Guang-Zhong Yang, Ara Darzi, Wates Foundation
Whilst these various approaches have proven to be technically successful, clinical adoption of robotic technology remains moderate, largely as a result of the financial cost of such technology.  ...  Finally, an ungrounded force-feedback strategy is investigated for use with a hand-held device that incorporates [...]  ...  The first implementation of a [29] but they are also applicable to otolaryngology [30] , cell manipulation [31] and Optical Coherence Tomography (OCT) scanning [32] .  ... 
doi:10.25560/26587 fatcat:iitdeyh7j5c6jmudhtzmx4apw4