510(k) Report

510(k) · Cleared

Cleared

Merlin E-Mask

K031397510(k) TraditionalCleared Jul 29, 2004454-day reviewClass II21 CFR 868.5870

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

Merlin Medical Limited · CBP Valve, Non-Rebreathing

Cleared on Jul 29, 2004 after a 454-day review. FDA’s file for it is a 510(k) statement, which names no predicate.

Decided
Jul 29, 2004
Review
454 days
Class
Class II
Product code
CBP
Recalls
None
Predicates
0

FDA’s file for it is a 510(k) statement, which names no predicate.

FIG. 1 — Lineage of K031397Source: FDA 510(k) database · How lineage is built

Get the monthly Device Review Tracker

Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA 510(k) statement (indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in CBP? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

Top candidate predicates for a new CBP device

  1. #1 K241366 QualityFlow O2 Series (QualityFLOW O2)…score 8.3 · 1 generation · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

What was it cleared against?

FDA’s file for it is a 510(k) statement, which names no predicate.

What descends from it?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (0 Class I)

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

How does its category compare?

All CBP devices

CBP Valve, Non-Rebreathing: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · CBP

2in 2024

2008: 12009: 12010: 22011: 32014: 12015: 22016: 12017: 12019: 12020: 12021: 12024: 2
2007high 3 (2011) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · CBP

129in 2011

2011: 129 days median
2007high 129 (2011)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · CBP

No recall names CBP since 2007.

Adverse event reports per year · CBP

1in 2021

2007: 12008: 12009: 62010: 32011: 22012: 12013: 22014: 112017: 12019: 12021: 1
2007high 11 (2014) · low 0 (2015)2025

MAUDE reports naming product code CBP, 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—01
20081—01
20091—06
20102—03
2011312902
20120—01
20130—02
20141—011
20152—00
20161—00
20171—01
20180—00
20191—01
20201—00
20211—01
20220—00
20230—00
20242—00
20250—00
20260—0—

What is it indicated for?

The Merlin Medical Limited Merlin E-Mask Air Pulmonary Resuscitator is indicated for mouth

to mask ventilation of a non-breathing adult and child weighing over 30 kgs.

Indications for use as stated in the FDA 510(k) statement.

Cite this page

510(k) Report. “K031397: Merlin E-Mask.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K031397

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Page last updated Nov 3, 2026