CFR › Title 21 › Part 882 › §882.410021 CFR §882.4100Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)Identification. A ventricular catheter is a device used to gain access to the cavities of the brain for injection of material into, or removal of material from, the brain.(b)Classification. Class II (performance standards).