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Cartilage Repair (Biologic Patch with Chondrocyte Transplantation)

This technique is designed to treat and repair cartilage defects by regenerating the patient's own cartilage cells.

Knee Examined
After the patient is anesthetized, a small incision is made in the knee. The surgeon uses an arthroscope to inspect the joint for signs of damage.

Sample Removed
If a defect is found, the surgeon removes a small sample of healthy cartilage from a non weight-bearing region of the knee.

Cells Cultured
The sample is sent to the Genzyme laboratory, where it is stimulated to produce approximately 12 million similar cells. The process, called cell culturing, takes about four to five weeks. Once completed, the new cells are returned to the surgeon.

Diseased Cartilage Removed
The surgeon now performs a second surgery to implant the new cartilage cells. First, the surgeon removes the knee's damaged or diseased cartilage, along with any loose tissue.

Patch Sewn
A biologic patch made from collagen is sewn over the area where the diseased or damaged cartilage was removed.

Cells Implanted
The cultured cells are implanted beneath the patch through a thin needle.

End Of Procedure
Over time, the cultured cells will adhere to the damaged area, forming a new layer of weight-bearing cartilage tissue.

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