ScrewCupNaviAR на пк

1. Surgeon can be directed in real time by augmenting his vision reality by monitoring the readings of screen by observing not only the colour of the dot but also the position inside the subdivisions of the quadrants and perform intra operatively adjustments, simultaneously by manipulating the insertion tool by changing the direction or the insertion depth aiming always at the safest part and of the peri-acetabular bone without injuring the neuro-vascular structures.

2. The dot while inside a semicircular quadrants contained in radar screen is changing colours in accordance to the spatial position of tip of the screw (deep green, green, light green, red ) reflecting the distribution of potentially optimal screw bone purchase without harming the pelvic neuromuscular structures.

3. -depicts in augmented Reality (AR) and project the Safe Zones defined by acetabular-quadrant system (Wasielewski RC et al ) vividly, helping during transacetabular screw fixation to navigate in real time and choose optimal location.

4. -helps predict safe screw trajectories courses avoiding bearings that could jeopardise periacetabular neurovascular and musculotendinous structures thus longer screws placed in deeper pelvic bone stock allowing better fixation stability of cup.

5. The position of the tip of the screw is constantly reflected in real time in a radar screen by highlighting a dot in the respective semicircular topographical quadrant area of the ‘dart board like ‘ Radar screen.

6. -longitude and latitude of the tip of the screw is in real time measured and help surgeon to find optimal longitude and latitude of screws during multiple screw placements.

7. Optimal screw hole positioning during placement of screw, strictly in periacetabular bone, avoiding injury to the near neuro-vascular structures is of paramount importance.

8. General knowledge of the location of the pertinent neural and vascular structures is given based on acetabular quadrant system , while not anatomical absolute, should be used with extreme caution by the surgeon during surgery .

9. The “greener” the dot in the semicircular quadrant in Radar screen the longer the screw that can be placed in this region of cup hemisphere.

10. Liu Q, et all, Safe zone for transacetabular screw fixation in prosthetic acetabular reconstruction of high developmental dysplasia of the hip.

11. - insertion depth in mm is measured in real time objectively, passing safe depth value script colour is turning red.

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