Accuracy of cup placement using computed tomography ...

Robotic Arm–Assisted System Improved Accuracy of Cup Position ...

013). Similarly, R-THA was significantly more successful in placing the cup within 5° of the target compared to N-THA (84% vs 58%; ...

Accuracy of acetabular cup positioning using imageless navigation

Differences between navigation-derived intra-operative final cup inclination and final CT cup inclination of all 30 cups are shown in Figure 2. In 23 subjects, ...

based navigation system for placement of the acetabular component ...

Conclusion: THA using a CT-based navigation system achieved quite high accuracy of cup alignment angles and spatial cup positioning in primary THA for patients.

Accurate cup placement using a portable navigation system during ...

Our procedure with the consideration of pelvic orientation achieved dramatically improved the accuracy of PNS and was suitable to facilitate ...

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

In contrast, use of CT-based preoperative planning has been reported to show >90% accuracy in prediction of component sizes with accuracy up to 100% when ...

An audit on the accuracy of freehand acetabular cup ... - SciELO SA

In our study, the freehand technique using a direct lateral approach for acetabular cup placement achieved an accuracy of only 57% regarding the safe zones of ...

Computed Tomography Assessment of Image-free Navigation ...

In an Asian population, the calculated accuracy and precision of acetabular cup inclination and anteversion during THA were more reliable and ...

Accuracy of acetabular component alignment with surgical guidance ...

The mean (and standard deviation) of the absolute difference between the postoperative CT and the intra-operative measurements for inclination ...

Orthopaedic surgical procedures - Ortho|Search

This study aimed to investigate the accuracy of cup position and assess the changes in pelvic tilt during primary total hip arthroplasty (THA) in the lateral ...

The accuracy of acetabular cup placement in primary total hip ...

The percentage of cups inside the Lewinnek safe zone was 93% in the navigation group and 44% in the control group (p < 0.001). The mean absolute values of ...

Accuracy of Component Orientation and Leg Length Adjustment in ...

Postoperative cup and stem position were assessed using a 3D-Template system (ZedHip, LEXI, Japan) after CT examination. In this measurement, ...

Accuracy of Computer Navigation for Acetabular Component ...

CT scan measurement as a method of determining postoperative cup position represents the most contemporary measurement technique. With the ...

Computed Tomography Assessment of Image-free Navigation ...

In the past decade, the accuracy and precision of acetabular cup positioning us- ing these techniques has been debated.8,9,11,12. Many studies have suggested ...

Validation of CT‐Based Three‐Dimensional Preoperative Planning ...

A total of 57 cases were included in the study. CT-based planning was more accurate than acetate templating for predicting cup size (93% vs 79%, ...

A Prospective, Randomized Study of Surgical Positioning Software ...

The software improved both the accuracy and the precision of cup placement, with only mod- ... Computed tomography scans may have provided a more accurate ...

Variance-in-predicted-cup-size-by-2-dimensional-vs ... - somepomed

acetate prints, digital viewing software, or with computed tomography (CT) images. ... accuracy of cup position especially with regard to ...

Ecker Computed Tomography-based Surgical Navigation for Hip ...

16,23,26,32,33 Difficulties with both accurate cup positioning and leg length change measurement are accentuated by the trend toward smaller incisions, further.

Postoperative Calculation of Acetabular Cup Position Using 2-D–3 ...

A gold standard implant position and orientation was calculated using postoperative CT. Results show our method to be significantly more accurate than the plain ...

What Is Functional Cup Positioning? How Do Changes in ... - VuMedi

Accuracy of a Handheld CT-Based Navigation System. International Society for Technology in Arthroplasty (ISTA). S. Kreuzer. 47 views. 04:49 ...

Self-Reducible Painless and Recurrent Prosthetic Hip Dislocation

Computed Tomography (CT) was obtained at a different time point during ... with the acetabular cup remaining stable in neutral positioning.