[Code of Federal Regulations] [Title 21, Volume 8] [Revised as of April 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR870.2100] [Page 307] 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 C--Cardiovascular Monitoring Devices Sec. 870.2100 Cardiovascular blood flowmeter. (a) Identification. A cardiovascular blood flowmeter is a device that is connected to a flow transducer that energizes the transducer and processes and displays the blood flow signal. (b) Classification. Class II (performance standards).