Related Experiment Video
Updated: Mar 29, 2026

Paradigms of Lower Extremity Electrical Stimulation Training After Spinal Cord Injury
Published on: February 1, 2018
Medical Devices; Exemption From Premarket Notification; Class II Devices; Electric Positioning Chair. Final order
Abstract:
The Food and Drug Administration (FDA or the Agency) is publishing an order granting a petition requesting exemption from premarket notification requirements for electric positioning chair devices. An electric positioning chair is a device with a motorized positioning control that is intended for medical purposes and that can be adjusted to various positions. These devices are used to provide stability for patients with athetosis (involuntary spasms) and to alter postural positions. This order exempts electric positioning chairs, class II devices, from premarket notification, subject to certain conditions for exemption. This exemption from premarket notification, subject to these conditions (and the limitations in the physical medicine devices limitations of exemptions from premarket notification section of the device regulations), is immediately in effect for electric positioning chairs. FDA is publishing this order in accordance with the exemption from class II premarket notification section of the Federal Food, Drug, and Cosmetic Act (the FD&C Act).

