510(k) Report

FDA product code · Anesthesiology

Spacer, Direct Patient Interface

NVOClass II21 CFR 868.5630510(k) required2 decisions since 20090 recalls

2 FDA decisions since 2009. No recall names this code. The most-cited predicate is K091862, named by 1 later device.

Spacers are devices that are used with nebulizers and metered dose inhalers that are comprised of a reservior into which an aerosol medication is dispensed. A spacer uses an open mouthpiece. Spacers are intended to minimize delivery of large aerosolized particles.

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 NVO 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 · NVO

1in 2010

2009: 12010: 1
2007high 1 (2009) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · NVO

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

Recalls per year · NVO

No recall names NVO since 2007.

Adverse event reports per year · NVO

No MAUDE report names NVO since 2007.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20080—00
20091—00
20101—00
20110—00
20120—00
20130—00
20140—00
20150—00
20160—00
20170—00
20180—00
20190—00
20200—00
20210—00
20220—00
20230—00
20240—00
20250—00
20260—0—
FIG. 1 — NVO by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

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

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Related product codes

Other codes under 21 CFR 868.5630.