510(k) Report

510(k) · Cleared

Cleared

Rescue Breather

K955520510(k) TraditionalCleared Oct 8, 1996309-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

International Safety, Inc. · CBP Valve, Non-Rebreathing

Cleared on Oct 8, 1996 as substantially equivalent to K900260 (Ambu, Inc., 1990) after a 309-day review. Its family tree reaches back 1 generation to 1990.

Decided
Oct 8, 1996
Review
309 days
Class
Class II
Product code
CBP
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K900260 (1990). No later device cites it as a predicate yet.

K900260 · Ambu Life Key and Ambu Res-Cue Key · Ambu, Inc. · 199019901992199419961998
K900260 · Ambu Life Key and Ambu Res-Cue Key · Ambu, Inc. · 19900
  1. Root · 1 generation backK900260 Ambu Life Key and Ambu Res-Cue KeyAmbu, Inc. · 1990
  2. This deviceK955520 Rescue BreatherInternational Safety, Inc. · 1996
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K900260Ambu Life Key and Ambu Res-Cue KeyAmbu, Inc.1990—
0 (this device)K955520Rescue BreatherInternational Safety, Inc.1996—
FIG. 1 — Lineage of K955520, 1990–1996Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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

Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and 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
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What was it cleared against? (1)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*K900260Ambu Life Key and Ambu Res-Cue Key
Summary page 1
…Nonrebreathing valve, Class II, 21 CFR 868.5870. Legally marketed device for substantial equivalence comparison: Res-Cue Key™ and Life Key™ by Ambu, Inc. cleared under K900260. Description of the device: The device is a flat sheet measuring 6" by 11" which has integral ear loops to hold it in position d…
Ambu, Inc.1990—

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.

What does this lineage say?

  • Its one ancestor has no 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 Rescue Breather is intended to separate the patient and the rescuer during cardiopulmonary resuscitation (CPR) on adults and children. It is a single use device and is not sold sterile.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K955520: Rescue Breather.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K955520

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