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Journal of Bone and Joint Surgery - British Volume, Vol 74-B, Issue 4, 585-588
Copyright © 1992 by British Editorial Society of Bone and Joint Surgery

Articles

The strength of surgical repairs of the rotator cuff. A biomechanical study on cadavers

L Sward, JS Hughes, A Amis, and WA Wallace

Department of Orthopaedic and Accident Surgery, University Hospital, Queen's Medical Centre, Nottingham, England.

Using 26 cadaver shoulders, we produced a standard defect in the supraspinatus tendon and performed one of three types of repair. Their strength was found by testing in tension the force required to produce a gap of 3 mm, then 6 mm, and finally total disruption of the repair. The use of a polyethylene patch to spread the forces over the lateral bone surface and of extra sutures to grasp the tendon end raised by 2.6 times the load at which a 3 mm gap in the repair occurred and by 1.7 times the load to failure.




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Hip, Knee, Trauma, Upper limb, Foot & Ankle, Paediatrics, Oncology, Spine, Arthroplasty, General