510(k) Report

510(k) · Cleared

Recalled · 2008

Emg CTA01-XXX Series Puro Oxygen Concentrator

K043520510(k) AbbreviatedCleared Oct 21, 2005305-day reviewClass II21 CFR 868.5440Recalls 2

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

Emg Technology Co., Ltd. · CAW Generator, Oxygen, Portable

Cleared on Oct 21, 2005 after a 305-day review. FDA’s file for it is a 510(k) statement, which names no predicate. It has been recalled 2 times.

Decided
Oct 21, 2005
Review
305 days
Class
Class II
Product code
CAW
Recalls
2
Predicates
0

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

FIG. 1 — Lineage of K043520Source: FDA 510(k) database · 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 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 CAW? 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 CAW device

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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)

Recalls of this device

DateClassRecallRoot causeReason
Mar 4, 2008Not classifiedZ-1474-2008Device DesignOverheating of Components: There is the potential for an electrical component in the oxygen concentrator to overheat, causing damage to the unit and making it nonfunctional.
Mar 4, 2008Not classifiedZ-1473-2008Device DesignOverheating of Components: There is the potential for an electrical component in the oxygen concentrator to overheat, causing damage to the unit and making it nonfunctional.

No ancestor or descendant has a Class I recall.

How does its category compare?

All CAW devices

CAW Generator, Oxygen, Portable: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · CAW

12in 2025

2007: 62008: 112009: 82010: 52011: 62012: 52013: 22014: 62015: 12016: 12017: 12018: 32019: 22020: 52021: 22022: 42023: 82024: 22025: 122026 (partial year): 6
2007high 12 (2025) · low 1 (2015)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · CAW

178in 2025

2007: 143 days median2008: 90 days median2009: 193 days median2010: 133 days median2011: 174 days median2012: 148 days median2014: 277 days median2018: 203 days median2020: 224 days median2022: 458 days median2023: 261 days median2025: 178 days median2026 (partial year): 260 days median
2007high 458 (2022) · low 90 (2008)2026

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

Recalls per year · CAW

1in 2025

2007: 12008: 32009: 22011: 12013: 22014: 22016: 12017: 12019: 22020: 12022: 22024: 5, 1 Class I2025: 1
2007high 5 (2024) · low 0 (2010)2026

Class I (1 since 2007) Class II/III not classified

Adverse event reports per year · CAW

611in 2025

2007: 232008: 252009: 432010: 482011: 1672012: 3952013: 2,3092014: 24,5382015: 18,9732016: 3,1672017: 1072018: 1162019: 1202020: 1252021: 1942022: 3052023: 3572024: 4502025: 611
2007high 24,538 (2014) · low 23 (2007)2025

MAUDE reports naming product code CAW, 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
20076143123
20081190325
20098193243
20105133048
201161741167
201251480395
20132—22,309
20146277224,538
20151—018,973
20161—13,167
20171—1107
201832030116
20192—2120
202052241125
20212—0194
202244582305
202382610357
20242—5 (1)450
2025121781611
202662600—

What is it indicated for?

The EMG CTXO1-XXX Series Oxygen Concentrator is designed to provide I to 5 liters per minute oxygen for the patient who has been prescribed oxygen therapy by a physician. This device is used in home type environments, nursing homes, patient care facilities, etc.

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

Cite this page

510(k) Report. “K043520: Emg CTA01-XXX Series Puro Oxygen Concentrator.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K043520

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