Search
Search Results
-
Distributed visual positioning for surgical instrument tracking
In clinical operations, it is crucial for surgeons to know the location of the surgical instrument. Traditional positioning systems have difficulty...
-
Comparison of MLC positioning deviations using log files and establishment of specific assessment parameters for different accelerators with IMRT and VMAT
Background and purposeThe study evaluated the differences in leaf positioning deviations by the log files of three advanced accelerators with two...
-
Robot-assisted system for non-invasive wide-range flexible eye positioning and tracking in particle radiotherapy
Particle (proton, carbon ion, or others) radiotherapy for ocular tumors is highly dependent on precise dose distribution, and any misalignment can...
-
Neglect dyslexia: whole-word and within-word errors with parafoveal and foveal viewing
Patients with left-sided neglect dyslexia often omit whole words positioned on the left, termed whole-word errors , or commit errors on the left-sided...
-
A medical scanner for focusing and positioning laser radiation onto a patient’s skin
A medical scanner has been developed for the treatment of pigmented, vascular, and unpigmented skin defects using a copper vapor laser at two...
-
Evaluation of the effect of sagging correction calibration errors in radiotherapy software on image matching
To investigate the impact of sagging correction calibration errors in radiotherapy software on image matching. Three software applications were used,...
-
Flexible Needle Steering with Tethered and Untethered Actuation: Current States, Targeting Errors, Challenges and Opportunities
Accurate needle targeting is critical for many clinical procedures, such as transcutaneous biopsy or radiofrequency ablation of tumors. However,...
-
Residual positioning errors and uncertainties for pediatric craniospinal irradiation and the impact of image guidance
BackgroundOptimal alignment is of utmost importance when treating pediatric patients with craniospinal irradiation (CSI), especially with regards to...
-
Patient positioning and immobilization procedures for hybrid MR-Linac systems
Hybrid magnetic resonance (MR)-guided linear accelerators represent a new horizon in the field of radiation oncology. By harnessing the favorable...
-
Impact of positioning errors in the dosimetry of VMAT left-sided post mastectomy irradiation
BackgroundVolumetric modulated arc therapy (VMAT) adopted in post-mastectomy radiation therapy (PMRT) has the capacity to achieve highly conformal...
-
Genetic variation in genes of inborn errors of immunity in children with unexplained encephalitis
Pediatric encephalitis has significant morbidity and mortality, yet 50% of cases are unexplained. Host genetics plays a role in encephalitis’...
-
Initial end-to-end testing of the ExacTrac dynamic deep inspiration breath hold workflow using a breath hold breast phantom
ExacTrac Dynamic (ETD) provides a Deep Inspiration Breath Hold (DIBH) workflow for breast patients. Stereoscopic x-ray imaging combined with optical...
-
The implications of non-anatomical positioning of a meniscus prosthesis on predicted human knee joint biomechanics
Despite all the efforts to optimize the meniscus prosthesis system (geometry, material, and fixation type), the success of the prosthesis in clinical...
-
Inadequate object positioning and improvement of automatic exposure control system calculations based on an empirical algorithm
When using automatic exposure control (AEC) systems in computed tomography (CT), miscalculation of tube current occurs when a patient is not aligned...
-
Potential dosimetric error in the adaptive workflow of a 1.5 T MR-Linac from patient movement relative to immobilisation systems
In magnetic resonance- (MR-) based adaptive workflows for an MR-linac, the treatment plan is optimized and recalculated online using the daily MR...
-
Influence of multi-angle input of intraoperative fluoroscopic images on the spatial positioning accuracy of the C-arm calibration-based algorithm of a CAOS system
Intraoperative fluoroscopic images, as one of the most important input data for computer-assisted orthopedic surgery (CAOS) systems, have a...
-
Agreement Between Augmented Reality and Computed Tomography Coordinate Systems: A New Approach to an Image-Guided Procedure
PurposeAligning augmented reality (AR) objects with the actual patient’s body in the real world is challenging in interventional radiology. We aimed...
-
The efficacy of positioning stents in preventing Oral complications after head and neck radiotherapy: a systematic literature review
BackgroundPositioning stent in head and neck radiotherapy seems to have benefit to prevent oral complications but it hasn’t been summarized by an...
-
Knee position sense and knee flexor neuromuscular function are similarly altered after two submaximal eccentric bouts
PurposeThis study examined eccentric-induced fatigue effects on knee flexor (KF) neuromuscular function and on knee position sense. This design was...
-
Head errors of syntactic dependency increase neuromagnetic mismatch intensities
Mismatch-related brain activation in healthy individuals is an important area of neural investigation. Previously, we evaluated sentence-level...
