[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: 21CFR870.1670] [Page 320] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) PART 870_CARDIOVASCULAR DEVICES--Table of Contents Subpart B_Cardiovascular Diagnostic Devices Sec. 870.1670 Syringe actuator for an injector. (a) Identification. A syringe actuator for an injector is an electrical device that controls the timing of an injection by an angiographic or indicator injector and synchronizes the injection with the electrocardiograph signal. (b) Classification. Class II (performance standards).