Fig 1.
Four zones of the Glenoid (right shoulder).
Zone I: 10:30 to 1:30; zone II: 01:30 to 4:30; zone III: 04:30 to 7:30; zone IV: 7:30 to 10:30.
Fig 2.
The patient is in the lateral decubitus position with full support to the abdomen and posterior sacrum (Fig 2a). The shoulder is fixed with an arm sling and suspended with the shoulder retractor. Sterilization and draping are performed as in traditional shoulder arthroscopy surgery. The mid-third clavicle is exposed for fixation of navigation reference frame through a 1-cm incision (Fig 2b). The patient is covered with a sterilized drape (Fig 2c), and the O-arm is positioned around the patient at a 30° tilt to avoid contacting the sterilized arm (Fig 2d).
Fig 3.
Anchoring and angle of insertion.
The depth of the anchors and angle of insertion can be visualized to ensure the best purchase of the suture anchor and to avoid penetration of the contralateral far cortex.
Table 1.
Demography of patients.
Table 2.
Penetration of suture anchors (penetrating screws/total screws).
Table 3.
American shoulder and elbow surgeons shoulder scores.