[Code of Federal Regulations] [Title 21, Volume 8] [Revised as of April 1, 2008] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR878.4410] [Page 400] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) PART 878_GENERAL AND PLASTIC SURGERY DEVICES--Table of Contents Subpart E_Surgical Devices Sec. 878.4410 Low energy ultrasound wound cleaner. (a) Identification. A low energy ultrasound wound cleaner is a device that uses ultrasound energy to vaporize a solution and generate a mist that is used for the cleaning and maintenance debridement of wounds. Low levels of ultrasound energy may be carried to the wound by the saline mist. (b) Classification. Class II (special controls). The special control is FDA's guidance document entitled ``Class II Special Controls Guidance Document: Low Energy Ultrasound Wound Cleaner.'' See Sec. 878.1(e) for the availability of this guidance document. [70 FR 67355, Nov. 7, 2005] [[Page 401]]