What risk level classification requires the most rigorous Premarket Approval (PMA) for medical devices?
Answer
Class III
Medical devices are stratified into three primary risk classes, with Class III representing the highest level of hazard potential. Class III devices are those deemed life-sustaining, life-supporting, or potentially injurious if they fail or cause harm. Consequently, these devices must undergo the most stringent regulatory pathway, known as Premarket Approval (PMA). This process demands substantial scientific data and evidence, closely mirroring the requirements for new drug approval, to assure the FDA that the device is safe and effective for its intended use, such as in the case of an implantable pacemaker or a new artificial hip joint.

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