CFR > Title 21 - Food and Drugs > CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES > SUBCHAPTER H—MEDICAL DEVICES (parts 800 to 898) > PART 870—CARDIOVASCULAR DEVICES > SUBPART C—Cardiovascular Monitoring Devices (§870.2050 to §870.2920) > 870.2120—Extravascular blood flow probe.

870.2120—Extravascular blood flow probe.

(a) Identification. An extravascular blood flow probe is an extravascular ultrasonic or electromagnetic probe used in conjunction with a blood flowmeter to measure blood flow in a chamber or vessel.
(b) Classification. Class II (performance standards).