Implant position calculation for acetabular cup placement ...

Implant position calculation for acetabular cup placement ... - PubMed

Using computer navigation, it is possible to determine pelvic inclination and lateral tilt during an operation by calculating the angular difference between ...

This method may be helpful in increasing the accuracy of positioning of acetabular cups. Keywords: Acetabular cup, pelvic inclination, total hip arthroplasty, ...

Full article: Implant position calculation for acetabular cup placement ...

The purpose of this study was to investigate the relationship of cup position versus pelvic lateral tilt and inclination.

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

Therefore, it is crucial that the surgeon has accurate and precise control over the orientation and position of the implanted cup. Improper acetabular ...

cup positioning in total hip arthroplasty - Acta Orthopaedica Belgica

According to Yoshimine et al (70), a cup position avoiding impingement can be estimated with the following formula : (Cup inclination) +. (Cup anteversion) + ...

Measurement accuracy of the acetabular cup position using ... - Nature

Accurate cup placement is critical to ensure satisfactory outcomes after total hip arthroplasty. Portable hip navigation systems are novel ...

Acetabular cup positioning in primary routine total hip arthroplasty ...

Acetabular cup orientation is significantly influenced by the intraoperative position of patient's pelvis during THA [8]. Some studies suggest ...

Patient positioning and cup orientation during total hip arthroplasty

This is influenced by patient positioning during surgery and the method used to orientate the acetabular cup. The aim of this study was to ...

Acetabular Placement Accuracy With the Direct Anterior Approach ...

In 1978, Lewinnek et al [3] defined the safe zone for acetabular component positioning as 5 -25 of anteversion and 30 -50 of abduction. Cup ...

Accuracy of acetabular cup placement in total hip arthroplasty using ...

The percentage of acetabular cups placed within ±5° from the target angles was significantly higher in the Pin-less AR navigation group (90.3%) compared with ...

Positioning of the acetabular component: Intraoperative considerations

In the final part of this article series we look at intraoperative considerations that will ensure patient-customized acetabular cup positioning.

Accuracy of cup placement compared with preoperative surgeon ...

Acetabular cup positioning in total hip arthroplasty (THA) is closely related to outcomes. The literature has suggested cup parameters ...

A Validation Model for Measurement of Acetabular Component ...

Implant position calculation for acetabular cup placement considering pelvic lateral tilt and inclination. Comput Aided Surg. 2006; 11:309. PubMed · Google ...

Determining the orientation of acetabular prosthesis in total hip ...

measured the inclination of the acetabular cup in three positions with the inferior edge of cup flush with, 5 mm proximal to, and 5 mm distal to ...

Positioning of the acetabular component in cemented prostheses

using plain radiographs and trigonometric formula, the method resulted to be highly accurate and reliable. Besides being easy to be calculated. No significant ...

Achieving Precise Cup Positioning in Direct Anterior Total Hip ...

Malpositioned implants in total hip arthroplasty are associated with impingement, increased wear, and dislocations, thus precise cup ...

Accuracy of acetabular component alignment with surgical guidance ...

Preoperatively a patient-specific optimal acetabular position was calculated from a preoperative CT scan and Electro-Optical System (EOS) ...

Optimization of Acetabular Cup Abduction by Adjusting Pelvic Pitch

Thus, the target abduction of the cup holder was calculated by a formula: 43° – pelvic pitch – 5°. During the cup insertion, the cup holder was ...

Validation of a Novel Method of Measuring Cup Orientation Using ...

Background: Accurate acetabular component positioning is paramount to the success of total hip arthroplasty (THA).

Improving Acetabular Component Positioning in Supine Direct ...

To achieve 20° of version, the assistant would first need to count the number of 1 cm intervals along the long axis of the implant. Once this ...