510(k) Report

510(k) · Cleared

Cleared

Maxtec MaxBlend2+p

K231895510(k) TraditionalCleared Dec 4, 2023159-day reviewClass II21 CFR 868.5330

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

Maxtec, LLC · BZR Mixer, Breathing Gases, Anesthesia Inhalation

Cleared on Dec 4, 2023 as substantially equivalent to K161718 (Maxtec, LLC, 2016) and 1 other predicate after a 159-day review. Its family tree reaches back 4 generations to 1991.

Decided
Dec 4, 2023
Review
159 days
Class
Class II
Product code
BZR
Recalls
None
Predicates
2

Its longest line of descent runs back 4 generations to K911344 (1991). 13 ancestors in all, the oldest K871083 (1987). No later device cites it as a predicate yet.

Other ancestors, by year cleared 2016: 1 other ancestor2000: 1 other ancestor1998: 1 other ancestor1993: 2 other ancestors1991: 1 other ancestor1988: 1 other ancestor1987: 2 other ancestorsK911344 · Cerion Hand Held Oxygen Analyzer · Ceramatec, Inc. · 1991K063096 · Precision Oxygen Monitor · Precision Medical, Inc. · 2007K153659 · MaxO2ME · Maxtec, LLC · 2016K221734 · Maxtec MaxO2 ME+p · Maxtec, LLC · 20231990200020102020
Other ancestors, by generation 1 generation back: 1 other ancestor2 generations back: 2 other ancestors3 generations back: 6 other ancestors K221734 · Maxtec MaxO2 ME+p · Maxtec, LLC · 2023K153659 · MaxO2ME · Maxtec, LLC · 2016K063096 · Precision Oxygen Monitor · Precision Medical, Inc. · 2007K911344 · Cerion Hand Held Oxygen Analyzer · Ceramatec, Inc. · 19910
  1. Root · 4 generations backK911344 Cerion Hand Held Oxygen AnalyzerCeramatec, Inc. · 1991
  2. 3 generations backK063096 Precision Oxygen MonitorPrecision Medical, Inc. · 2007
  3. 2 generations backK153659 MaxO2MEMaxtec, LLC · 2016
  4. 1 generation backK221734 Maxtec MaxO2 ME+pMaxtec, LLC · 2023
  5. This deviceK231895 Maxtec MaxBlend2+pMaxtec, LLC · 2023
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4K911344Cerion Hand Held Oxygen AnalyzerCeramatec, Inc.1991—
−3K063096Precision Oxygen MonitorPrecision Medical, Inc.2007—
−2K153659MaxO2MEMaxtec, LLC2016—
−1K221734Maxtec MaxO2 ME+pMaxtec, LLC2023—
0 (this device)K231895Maxtec MaxBlend2+pMaxtec, LLC2023—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198720
198810
199110
199320
199810
200010
201610
FIG. 1 — Lineage of K231895, 1991–2023Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

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 BZR? 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 BZR device

  1. #1 K243917 F&P Optiflow Air/Oxygen Flow Sourcescore 12.1 · 9 generations · 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? (2)

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
*K161718MaxBlend 2, MaxBlend Lite
Summary page 5
…fication Code: CAP Classification Name: Monitor, Airway Pressure Predicate Device: Maxtec MaxBlend 2 - K161718 Secondary Predicate: MaxO2ME+p -K221734 Device Description: The Maxtec MaxBlend 2+p is an oxygen delivery d…
Maxtec, LLC2016—
*K221734Maxtec MaxO2 ME+p
Summary page 5
…Monitor, Airway Pressure Predicate Device: Maxtec MaxBlend 2 - K161718 Secondary Predicate: MaxO2ME+p -K221734 Device Description: The Maxtec MaxBlend 2+p is an oxygen delivery device which incorporates an air/oxygen blender, battery power…
Maxtec, LLC2023—

Also cleared against K161718: 1 other device →

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?

  • The line of descent spans 32 years and passes through 3 companies; a new generation was cleared every 9.3 years on median.
  • None of the 13 ancestors has a recall.
  • 1 other device also cites its predicate K161718.

How does its category compare?

All BZR devices

BZR Mixer, Breathing Gases, Anesthesia Inhalation: FDA decisions, review times, recalls and adverse event reports over 20 years. 2023, this device’s year, is highlighted.

FDA decisions per year · BZR

1in 2025

2008: 12009: 12010: 12011: 22012: 22015: 12016: 12018: 12021: 12023: 42024: 12025: 1
2007high 4 (2023) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · BZR

203in 2023

2023: 203 days median
2007high 203 (2023)2026

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

Recalls per year · BZR

No recall names BZR since 2007.

Adverse event reports per year · BZR

13in 2025

2007: 152008: 202009: 42010: 222011: 112012: 272013: 182014: 112015: 392016: 302017: 222018: 242019: 262020: 152021: 332022: 152023: 192024: 182025: 13
2007high 39 (2015) · low 4 (2009)2025

MAUDE reports naming product code BZR, 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—015
20081—020
20091—04
20101—022
20112—011
20122—027
20130—018
20140—011
20151—039
20161—030
20170—022
20181—024
20190—026
20200—015
20211—033
20220—015
20234203019
20241—018
20251—013
20260—0—

What is it indicated for?

The Maxtec MaxBlend 2+p is intended to provide a continuous air/oxygen gas mixture and to continuously monitor the

concentration of oxygen and pressure being delivered to infant, pediatric, and adult patients. It is a restricted medical

device intended for use by qualified, trained personnel, under the direction of a physician, in professional healthcare

settings, i.e., hospital, subacute, and nursing-care facilities where the delivery and monitoring of air/oxygen mixtures is

required.

This is not intended as a life-supporting device or life sustaining device.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K231895: Maxtec MaxBlend2+p.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K231895

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

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