(see rotator cuff repair menu)
Bone Anchor Direction
- modified convergence technique:
- bone anchors are inserted at anterior aspect of supraspinatus foot print;
- direction of insertion:
- insertion of anchors at a 45 deg angle to the bone surface is recommended;
References
- The deadman theory of suture anchors: observations along a south Texas fence line.
- A biomechanical evaluation of suture anchors in repair of the rotator cuff.
- Pullout Strength of Suture Anchors Used in Rotator Cuff Repair.
- The Effect of the Angle of Suture Anchor Insertion on Fixation Failure at Tendon–Suture Interface After Cuff Repair: Deadman's Angle Revisited
- Suture Anchor Insertion Angle and the Deadman Theory
- Proper Insertion Angle Is Essential to Prevent Intra-Articular Protrusion of a Knotless Suture Anchor in Shoulder Rotator Cuff Repair
- The mechanical effects of suture anchor insertion angle for rotator cuff repair.
- Assessment of bone quality within the tuberosities of the osteoporotic humeral head: relevance for anchor positioning in rotator cuff repair.
- Increasing the insertion depth of suture anchors for rotator cuff repair does not improve biomechanical stability
- Biomechanical Study: Determining the Optimum Insertion Angle for Screw-In Suture Anchors—Is Deadman's Angle Correct?
- The Effect of Insertion Angle on the Pullout Strength of Threaded Suture Anchors: A Validation of the Deadman Theory