510(k) Report

510(k) · Cleared

Cleared

4-O2 JR. (CPR Mouth Barrier)

K945177510(k) TraditionalCleared Nov 1, 19948-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

Eagle Health Supplies · CBP Valve, Non-Rebreathing

Cleared on Nov 1, 1994 after an 8-day review. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known. 1 later device descends from it.

Decided
Nov 1, 1994
Review
8 days
Class
Class II
Product code
CBP
Recalls
None
Predicates
0

1 later device descends from it, 1 citing it directly.

Descendants, by year cleared 2005: 1 descendant cleared1990200020102020
  1. This deviceK945177 4-O2 JR. (CPR Mouth Barrier)Eagle Health Supplies · 1994
  2. Descendant · cites it directly · 0 of its ownK052743 Dynarex CPR Shield with One Way Valve and Barrier Filter, Model 4921Dynarex Corp. · 2005 · Recalled

Most influential descendants

Showing 1 of 1 · See all
  • K052743Dynarex CPR Shield with One Way Valve and Barrier Filter, Model 4921Dynarex Corp. · 2005 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K9451774-O2 JR. (CPR Mouth Barrier)Eagle Health Supplies1994—
+1K052743Dynarex CPR Shield with One Way Valve and Barrier Filter, Model 4921Dynarex Corp.20051

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200510
FIG. 1 — Lineage of K945177, 1994–2005Source: 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), 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 lists a 510(k) statement for it but has not posted the file, so its predicates are not known.

What descends from it? (1)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K052743Dynarex CPR Shield with One Way Valve and Barrier Filter, Model 4921Dynarex Corp.20050

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?

  • Of its descendants, K052743 (Dynarex Corp., 2005) has gone furthest, with 0 descendants of its own.

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—
Cite this page

510(k) Report. “K945177: 4-O2 JR. (CPR Mouth Barrier).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K945177

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Record history
  • FDA decision record loaded May 2, 2026
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026