[Code of Federal Regulations] [Title 21, Volume 8] [Revised as of April 1, 2001] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR870.1340] [Page 293] 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. 870.1340 Catheter introducer. (a) Identification. A catheter introducer is a sheath used to facilitate placing a catheter through the skin into a vein or artery. (b) Classification. Class II (performance standards).