Computed Tomography Assessment of Image|free Navigation ...

Computed tomography assessment of image-free navigation ...

The authors hypothesized that an image-free navigation system would be more accurate than postoperative 3-dimensional (3-D) reconstructed computed ...

Computed Tomography Assessment of Image-free Navigation ...

The main correlated factor among the pelvic geometry was tilt rather than rotation and obliquity of the bony anterior pelvic plane. In an Asian population, the ...

Computed Tomography Assessment of Image-free Navigation ...

The discrepancies between the navigation data and the 3-D CT data were analyzed, as well as the correlation factors that affected the ...

Accuracy of image-free navigation in intraoperative leg length ...

CT scans is the imaging study that can be used for measurement of the hip geometry, preoperative planning and offset evaluation, but it ...

Full article: Comparison of the accuracies of computed tomography ...

001). In Group II, the accuracies of cup inclination and anteversion showed no differences between CT-based and image-free navigation. The ...

comparison between free-hand and O-arm based ... - PubMed

Computer tomography assessment of pedicle screw placement in lumbar and sacral spine: comparison between free-hand and O-arm based navigation ...

The Accuracy of Computed Tomography–Based Navigation System

The results demonstrated that a computed tomography–based navigation system provided a reasonably satisfactory component alignment. The discrepancy between the ...

Computed Tomography-Based Navigation System in Current Spine ...

Conventional navigation systems were based on reconstructions obtained by preoperative computed tomography (CT) images and did not always accurately reproduce ...

CT validation of intraoperative imageless navigation (Naviswiss) for ...

The aim of this study was to report on the validity of the Naviswiss handheld image-free navigation device for accurate intraoperative measurement of THA ...

Computed Tomography Intraoperative Navigation in Spinal Surgery

Conclusions CT navigation is an efficient intraoperative imaging technique that reduces the rate of surgical complications, but its technical ...

Comparison of Cup Setting Angle Accuracy between Computed ...

The inclination and anteversion angles of computed tomography-free navigation were correlated, and there were no significant factors influencing the error.

Periacetabular osteotomy using computed tomography-based ...

Since 2011, we have used computed tomography (CT)-based navigation to perform safe and accurate rotational acetabular osteotomy (RAO) for ...

Computed tomography dataset analysis for stereotaxic neurosurgery ...

Abstract: Experience of design methods of image-guided navigation for stereotaxis neurosurgery is described. The above approach allows obtaining high ...

effective reduction of intraoperative image drift and mismatch

Objective: The primary objective is to improve the precision of image guided puncture navigation systems by developing a computed tomography (CT) ...

Phantom evaluation of a navigation system for out-of-plane CT ...

The purpose of this phantom study was to assess a new real time electromagnetically-guided navigation system and compare it to standard computed tomography (CT ...

Intraoperative computed tomography image–guided navigation for ...

These include free ... Instrumentation was placed, and a postinstrumentation CT scan was obtained before wound closure to assess the accuracy of instrumentation ...

Intraoperative Computed Tomography Navigation for Transpedicular ...

Image-guided navigation using 2-dimensional (2-D) ... Intraoperative assessment of TPS position was accomplished using the confirmation CT scan ...

IQAGPT: computed tomography image quality assessment with ...

First, a CT-IQA dataset comprising 1,000 CT slices with diverse quality levels is professionally annotated and compiled for training and ...

Computed Tomography Intraoperative Navigation in Spinal Surgery

ABSTRACT. Background: Patient radiation exposure associated with the use of computed tomography (CT) navigation during spinal.

The Value of Computed Tomography Scan in Three-dimensional ...

Advanced three-dimensional (3D) imaging and computed tomography (CT)-based navigation are valuable tools in both the preoperative planning and intraoperative ...