StacksVerified U.S. regulatory reference

21 CFR §878.4520

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)Identification. Polytetrafluoroethylene injectable is an injectable paste prosthetic device composed of polytetrafluoroethylene intended to be used to augment or reconstruct a vocal cord.
  2. (b)Classification. Class III.
  3. (c)Date PMA or notice of completion of a PDP is required. As of May 28, 1976, an approval under section 515 of the act is required before this device may be commercially distributed. See § 878.3.