(31 days)
The intended use of the Comfort Wheelchairs is to provide mobility to persons restricted to a sitting position.
Not Found
The provided text is a Food and Drug Administration (FDA) 510(k) clearance letter for "Comfort Wheelchairs." This document confirms that the device is substantially equivalent to legally marketed predicate devices.
However, the document does not contain any information regarding acceptance criteria, device performance studies, sample sizes, expert qualifications, or ground truth establishment. The FDA letter focuses solely on the regulatory approval for marketing the device based on its substantial equivalence to pre-amendment devices, indicating it's a Class I medical device (mechanical wheelchair).
Therefore, I cannot provide the requested information from the given text. The details you've asked for (acceptance criteria, study details, human reader performance, etc.) are typically found in the technical documentation submitted by the manufacturer, not in the FDA's clearance letter itself.
§ 890.3850 Mechanical wheelchair.
(a)
Identification. A mechanical wheelchair is a manually operated device with wheels that is intended for medical purposes to provide mobility to persons restricted to a sitting position.(b)
Classification. Class I (general controls).