Optimizing knee function after injury or surgery.
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Enhanced Restoration BEAR
This general term refers to any procedure that seeks to improve knee function after injury or surgery. It may include rehabilitation techniques, regenerative treatments, or additional surgical procedures.
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Introduction & Anatomy
Instead of a graft, the BEAR technique uses a medical device called a BEAR implant to bridge the gap between the torn ends of the ACL. The implant is made from purified bovine (cow) collagen and is absorbed by the body in about 8 weeks, replaced by the body's own tissue. The patient's own blood is injected into the implant during the procedure to form a clot that stimulates the body's natural healing process. An advantage of this technique is that no graft tissue needs to be taken from the patient's body.
Indications
This technique is indicated for patients who are at least 14 years old, have a complete ACL tear confirmed by MRI, and have an ACL "stump" connected to the tibia. The surgery must be done within 50 days of the injury. It has been found to be effective for various types of tears. ACL tears commonly occur during sports like football, soccer, skiing, tennis, and basketball.
Preparation & Surgical Procedure
Preparation includes a physical exam, blood work, and imaging. Patients should inform their doctor about all medications and allergies and stop taking blood thinners. They must also refrain from food and liquids for at least 8 hours before the procedure. The surgery is performed arthroscopically under general anesthesia. The surgeon makes 2 to 3 small cuts, inserts an arthroscope, and places the BEAR implant in the space between the torn ends of the ACL. The patient's own blood is then added to the implant to activate clot formation and support the healing process.