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Ages Eligible for Study:
18 Years to 75 Years (Adult, Senior)
Sexes Eligible for Study:
Accepts Healthy Volunteers:
Patients enrolled at investigational sites who had Stage I or Stage II Osteonecrosis of the femoral head and who would qualify for core decompression based upon physical and radiographic exam and medical history.
Patient qualifies for core decompression based on physical exam
No history of core decompression
Patient is willing and able to provide written informed consent
Patient has been diagnosed as Stage 0, III, IV, V or VI using the Steinberg/UPenn staging system.
Patient's BMI is >40
Patient is mentally compromised
Patient has neurological condition in ipsilateral or contralateral limb, which affect lower limb function
The patient has had a proximal femoral osteotomy or internal fixation in the affected hip.
The patient has undergone previous treatment for AVN
Previous hip conditions
Patient's bone stock is insufficient
Patient has diagnosed systemic disease
Patient is a pregnant female
Patient is unable or unwilling to attend postop follow-up visits
Patient has received investigational drug within the previous 6 months or an investigational device within the last 12 months