What is the primary benefit of structured post-market data collection for rehabilitation devices such as powered exoskeletons?

• A. It primarily serves as a marketing feedback channel with no safety impact.
• B. It enables early detection of wear-out, safety issues, and informs updates or recalls to maintain safety.
• C. It is unnecessary if the device passed pre-market trials.
• D. It replaces the need for any pre-market testing.

Answer: (B)