Postless Tape Augmentation for Posterior Cruciate Ligament Reconstruction

Area of Science:

• Orthopedic Surgery
• Biomedical Engineering
• Sports Medicine

Background:

• Posterior cruciate ligament (PCL) reconstruction techniques often struggle with residual laxity.
• Suture or tape augmentation is used to prevent graft elongation but incurs costs and risks stress shielding.
• Current augmentation methods require additional implants for fixation.

Purpose of the Study:

• To introduce a novel postless tape augmentation technique for allograft PCL reconstruction.
• To enable equal tensioning of the graft and augment without additional fixation implants.
• To address the challenges of cost and stress shielding associated with current augmentation methods.

Main Methods:

• A postless tape augmentation technique was developed for PCL reconstruction.
• The technique utilizes a sheath and screw construct for augment fixation.
• This method allows for simultaneous and equal tensioning of the allograft and the tape augment.

Main Results:

• The described technique provides a method for postless tape augmentation in PCL reconstruction.
• It facilitates equal tensioning of the graft and augment, mitigating stress shielding concerns.
• The technique eliminates the need for separate implants for augment fixation, potentially reducing costs.

Conclusions:

• This innovative technique offers a cost-effective and effective solution for PCL reconstruction augmentation.
• It successfully addresses the challenges of residual laxity and graft elongation.
• The postless design and equal tensioning mechanism represent a significant advancement in PCL reconstruction surgery.