510(k) Report

510(k) · Cleared

Cleared

Oxyguard

K914978510(k) TraditionalCleared Jan 10, 199265-day reviewClass I21 CFR 876.1500

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

Stantex Pty, Ltd. · MNK Endoscopic Bite Block

Cleared on Jan 10, 1992 after a 65-day review. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known. 4 later devices descend from it.

Decided
Jan 10, 1992
Review
65 days
Class
Class I
Product code
MNK
Recalls
None
Predicates
0

4 later devices descend from it, 2 citing it directly.

Descendants, by year cleared 2008: 1 descendant cleared2004: 1 descendant cleared2014: 1 descendant cleared2024: 1 descendant cleared1990200020102020
  1. This deviceK914978 OxyguardStantex Pty, Ltd. · 1992
  2. Descendant · cites it directly · 3 of its ownK042665 Smart BiteblocOridion Medical 1987, Ltd. · 2004 · Recalled
  3. Descendant · cites it directly · 2 of its ownK080527 Twinguard with Capnograph AccessoryTrawax Pty Limited · 2008
  4. Descendant · 2 generations on · 1 of its ownK140473 DualguardFlexicare Medical, Ltd. · 2014
  5. Descendant · 3 generations on · 0 of its ownK240937 AIM (N/A)Inventeur, LLC · 2024

Most influential descendants

Showing 4 of 4 · See all
  • K042665Smart BiteblocOridion Medical 1987, Ltd. · 2004 · cites it directly3descendants
  • K080527Twinguard with Capnograph AccessoryTrawax Pty Limited · 2008 · cites it directly2descendants
  • K140473DualguardFlexicare Medical, Ltd. · 2014 · 2 generations on1descendant
  • K240937AIM (N/A)Inventeur, LLC · 2024 · 3 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K914978OxyguardStantex Pty, Ltd.1992—
+1K042665Smart BiteblocOridion Medical 1987, Ltd.20042
+1K080527Twinguard with Capnograph AccessoryTrawax Pty Limited2008—
+2K140473DualguardFlexicare Medical, Ltd.2014—
+3K240937AIM (N/A)Inventeur, LLC2024—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200410
200810
201410
202410
FIG. 1 — Lineage of K914978, 1992–2024Source: 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 MNK? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

  • Candidate predicates for a device like this, rankedin the report
  • Recall history across each candidate’s familyin the report
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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? (4)

2 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K042665Smart BiteblocOridion Medical 1987, Ltd.20043
K080527Twinguard with Capnograph AccessoryTrawax Pty Limited20082

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, K042665 (Oridion Medical 1987, Ltd., 2004) has gone furthest, with 3 descendants of its own.

How does its category compare?

All MNK devices

MNK Endoscopic Bite Block: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · MNK

FDA has decided no MNK device since 2007.

Median 510(k) review, days · MNK

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

Recalls per year · MNK

No recall names MNK since 2007.

Adverse event reports per year · MNK

39in 2025

2012: 12014: 32015: 22016: 52017: 52018: 92019: 162020: 132021: 152022: 112023: 42024: 212025: 39
2007high 39 (2025) · low 0 (2007)2025

MAUDE reports naming product code MNK, 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—00
20080—00
20090—00
20100—00
20110—00
20120—01
20130—00
20140—03
20150—02
20160—05
20170—05
20180—09
20190—016
20200—013
20210—015
20220—011
20230—04
20240—021
20250—039
20260—0—
Cite this page

510(k) Report. “K914978: Oxyguard.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K914978

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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