510(k) Report

FDA product code · Anesthesiology

Circuit, Breathing (W Connector, Adaptor, Y Piece)

CAIClass I21 CFR 868.5240510(k) exempt184 decisions since 1976173 recalls

FDA lists CAI as exempt from 510(k): a device of this type needs no clearance unless one of the limits in 21 CFR 868.9 applies, such as a new intended use or a different fundamental technology. 184 FDA decisions since 1976. 173 recalls name this code, 4 of them Class I. The most-cited predicate is K852316, named by 1 later device.

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026 Download the data (CSV)

FIG. A — Illustration, anesthesiology panel

Twenty years of CAI at a glance: how often FDA decides these devices, how long 510(k) reviews take, how often they are recalled, and how many adverse event reports name the code.

FDA decisions per year · CAI

FDA has decided no CAI device since 2007.

Median 510(k) review, days · CAI

Too few CAI 510(k)s in any year since 2007 to give a median.

Recalls per year · CAI

2in 2025

2008: 1422009: 12011: 12013: 12019: 12022: 12024: 12025: 2, 1 Class I2026 (partial year): 8, 3 Class I
2007high 142 (2008) · low 0 (2007)2026

Class I (4 since 2007) Class II/III not classified

Adverse event reports per year · CAI

108in 2025

2007: 122008: 292009: 152010: 732011: 1332012: 1252013: 942014: 622015: 322016: 1642017: 1542018: 392019: 622020: 712021: 1382022: 2442023: 2512024: 1172025: 108
2007high 251 (2023) · low 12 (2007)2025

MAUDE reports naming product code CAI, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—012
20080—14229
20090—115
20100—073
20110—1133
20120—0125
20130—194
20140—062
20150—032
20160—0164
20170—0154
20180—039
20190—162
20200—071
20210—0138
20220—1244
20230—0251
20240—1117
20250—2 (1)108
20260—8 (3)—
FIG. 1 — CAI by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in CAI? A 510(k) Report ranks candidate predicates in this code by lineage, citations and recall history, with the review-time outlook.

See the 510(k) Report

Related product codes

Other codes under 21 CFR 868.5240.