Accuracy of acetabular cup placement using an angle|adjusting ...

Cup placement in primary total hip arthroplasty: how to get it right ...

This implies that with bigger RI angles the difference between the OA and RA becomes greater. When surgeons are aiming for a RA of 15°, they ...

Acetabular Placement Accuracy With the Direct Anterior Approach ...

The acetabular cup inclination and anteversion angles were measured by an independent observer on a single anteroposterior. (AP) hip radiograph ...

Implant position calculation for acetabular cup placement ...

Materials and Methods: Using a sawbone model of the pelvis, cup position measurements were performed with different pelvic inclination and lateral tilt angles.

Poor accuracy of freehand cup positioning during total hip arthroplasty

The chance of placement of the acetabular component within 5° of an intended position, for both abduction and anteversion is 21.5% this ...

Influence of Surgical Experience on Accuracy of Acetabular Cup ...

Acetabular cup positioning with respect to inclina- tion and anteversion is ... an inclination angle of less than 35° and medial placement had medial ...

Decreased accuracy of acetabular cup placement for imageless ...

Placement accuracy in 69 joints in which THA was performed with imageless navigation was calculated by comparing the placement angle in the ...

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 ...

Position of the acetabular cup -- accuracy of radiographic calculation ...

New method for measuring acetabular component positioning with EOS imaging: feasibility study on dry bone ... angle with an accuracy of +/-2 degrees. Expand. 41 ...

The Importance of Acetabular Component Position in Total Hip ...

Abduction angles greater than 55° strongly correlated with increased wear rates. They also noted that high wear components were typically ...

Acetabular Component Position - Wheeless' Textbook of Orthopaedics

safe range for cup flexion that would allow physiologic ROM w/o impingement w/ cup fixed in 40 deg abduction and 20-40 deg anteversion;; position of 45 deg ...

Accuracy of cup placement compared with preoperative surgeon ...

CONCLUSION: This study shows that with traditional methods of placing the cup intraoperatively, surgeons are only accurate 53.1% of the time ...

cup positioning in total hip arthroplasty - Acta Orthopaedica Belgica

Steep cups, with an abduction angle of 50°-55° or more, are prone to excessive wear and edge loading (4,17,18,25,31), especially with metal-on-metal ...

Optimization of Acetabular Cup Abduction by Adjusting Pelvic Pitch

The strength of this study is that the accurate cup positioning was possible only using the preoperative radiograph with the patient in the ...

Improving the Accuracy of Acetabular Component Orientation

angle and implant positioning ... Hube R, Sewecke JJ, Wohlrab D: Using intraoperative pelvic landmarks for acetabular component placement in total hip ...

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

described a safe zone of acetabular cup placement: anteversion of 15° ± 10° and inclination of 40° ± 10°; cups outside this safe zone are associated with a ...

Acetabular Cup Placement Accuracy of a Hand-Held Computer ...

In addition, the percentage of cases with an abduction angle, anteversion angle, and both within the Lewinnek safe zone was reported. Results. Accuracy as a ...

Comparison of accuracy of cup position using portable navigation ...

High accuracy in cup placement was achieved using accelerometer-based portable navigation in supine THA and using a navigation system may contribute to ...

Accuracy of acetabular component position in hip arthroplasty

Acetabular com- ponent abduction and anteversion angles were determined using Martell Hip Analysis Suite software. We defined target ranges ...

Accuracy and Reliability of Combining a Smartphone and a Digital ...

Conclusion: Use of smartphone application combined with a digital angle ruler could provide a high accuracy of acetabular cup positioning, especially for the ...

ACCURACY OF ACETABULAR CUP PLACEMENT IN TOTAL HIP ...

We designed cup implantation using preoperative CT images and 3-dimensional (3-D) templates. The planned position of acetabular cup was in ...