510(k) · Cleared
ClearedNautilus Monoplace Hyperbaric Unit
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Nautilus Environmedical Systems, Inc. · CBF Chamber, Hyperbaric
Cleared on Aug 12, 1983 after a 42-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 6 later devices descend from it.
- Decided
- Aug 12, 1983
- Review
- 42 days
- Class
- Class II
- Product code
- CBF
- Recalls
- None
- Predicates
- 0
6 later devices descend from it, 4 citing it directly.
- This deviceK832127 Nautilus Monoplace Hyperbaric UnitNautilus Environmedical Systems, Inc. · 1983
- Descendant · cites it directly · 5 of its ownK974868 Sigma Plus Monoplace Hyperbaric ChamberPerry Baromedical Corp. · 1998
- Descendant · cites it directly · 4 of its ownK990927 Sigma 3400 Monoplace Hyperbaric ChamberPerry Baromedical Corp. · 1999
- Descendant · cites it directly · 2 of its ownK021693 Pan-America Hyperbarics Hyperbaric Chamber System, Model Pah-S1Pan-America Hyperbarics, Inc. · 2002
- Descendant · cites it directly · 0 of its ownK081506 Hyperbaric America, LLC, Presidential Monoplace Hyperbaric Chamber…Hyperbaric America, LLC · 2008
- Descendant · 2 generations on · 0 of its ownK072427 Sigma Series Hyperbaric ChamberPerry Baromedical Corp. · 2008
Showing 5 of 6 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 6 · See all- K974868Sigma Plus Monoplace Hyperbaric ChamberPerry Baromedical Corp. · 1998 · cites it directly5descendants
- K990927Sigma 3400 Monoplace Hyperbaric ChamberPerry Baromedical Corp. · 1999 · cites it directly4descendants
- K021693Pan-America Hyperbarics Hyperbaric Chamber System, Model Pah-S1Pan-America Hyperbarics, Inc. · 2002 · cites it directly2descendants
- K081506Hyperbaric America, LLC, Presidential Monoplace Hyperbaric Chamber SystemsHyperbaric America, LLC · 2008 · cites it directly0descendants
- K072427Sigma Series Hyperbaric ChamberPerry Baromedical Corp. · 2008 · 2 generations on0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K832127 | Nautilus Monoplace Hyperbaric Unit | Nautilus Environmedical Systems, Inc. | 1983 | — |
| +1 | K974868 | Sigma Plus Monoplace Hyperbaric Chamber | Perry Baromedical Corp. | 1998 | — |
| +1 | K990927 | Sigma 3400 Monoplace Hyperbaric Chamber | Perry Baromedical Corp. | 1999 | — |
| +1 | K021693 | Pan-America Hyperbarics Hyperbaric Chamber System, Model Pah-S1 | Pan-America Hyperbarics, Inc. | 2002 | — |
| +1 | K081506 | Hyperbaric America, LLC, Presidential Monoplace Hyperbaric Chamber Systems | Hyperbaric America, LLC | 2008 | — |
| +2 | K072427 | Sigma Series Hyperbaric Chamber | Perry Baromedical Corp. | 2008 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2002 | 1 | 0 |
| 2006 | 1 | 0 |
| 2008 | 2 | 0 |
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 CBF? 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 CBF device
- #1 K240569 FESL FINK Chamber; FEDL FINK Chamber; FETL…score 8.7 · 2 generations · no Class I recall
- #2 Held for the reportin the report
What was it cleared against?
FDA has not posted a summary or statement for it, so its predicates are not known.
What descends from it? (6)
4 later devices cite it directly; ranked here by how many devices descend from each in turn.
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, K974868 (Perry Baromedical Corp., 1998) has gone furthest, with 5 descendants of its own.
How does its category compare?
All CBF devicesCBF Chamber, Hyperbaric: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · CBF
1in 2024
2026 to Oct 25, outlined.
Median 510(k) review, days · CBF
87in 2010
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · CBF
2in 2008
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · CBF
25in 2025
MAUDE reports naming product code CBF, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 0 | — | 0 | 2 |
| 2008 | 3 | 134 | 2 | 0 |
| 2009 | 1 | — | 0 | 1 |
| 2010 | 3 | 87 | 0 | 11 |
| 2011 | 1 | — | 0 | 5 |
| 2012 | 0 | — | 0 | 9 |
| 2013 | 0 | — | 0 | 1 |
| 2014 | 1 | — | 0 | 5 |
| 2015 | 0 | — | 0 | 3 |
| 2016 | 1 | — | 0 | 5 |
| 2017 | 1 | — | 0 | 9 |
| 2018 | 0 | — | 0 | 5 |
| 2019 | 1 | — | 0 | 3 |
| 2020 | 0 | — | 0 | 4 |
| 2021 | 0 | — | 0 | 6 |
| 2022 | 0 | — | 0 | 9 |
| 2023 | 1 | — | 0 | 13 |
| 2024 | 1 | — | 0 | 13 |
| 2025 | 0 | — | 0 | 25 |
| 2026 | 0 | — | 0 | — |
https://510kreport.com/device/K832127 · printed Nov 6, 2026
Cite this page
510(k) Report. “K832127: Nautilus Monoplace Hyperbaric Unit.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K832127
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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