510(k) Report

510(k) · Cleared

Cleared

Renu Reprocessed Nellcor Oximetry Sensor, Model D-25, N-25

K072194510(k) TraditionalCleared Nov 29, 2007114-day reviewClass II21 CFR 870.2700

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

Renu Medical, Inc. · NLF Oximeter, Reprocessed

Cleared on Nov 29, 2007 after a 114-day review. The FDA summary names its predicate without a number. 3 later devices descend from it.

Decided
Nov 29, 2007
Review
114 days
Class
Class II
Product code
NLF
Recalls
None
Predicates
0

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

Descendants, by year cleared 2013: 1 descendant cleared2011: 1 descendant cleared2019: 1 descendant cleared20052010201520202025
  1. This deviceK072194 Renu Reprocessed Nellcor Oximetry Sensor, Model D-25, N-25Renu Medical, Inc. · 2007
  2. Descendant · cites it directly · 1 of its ownK113727 Shenzhen Med-Link Pulse Oximeter ProbeShenzhen Med-Link Electronics Tech Co., Ltd. · 2013
  3. Descendant · 2 generations on · 0 of its ownK183277 SpO2 SensorShenzhen Upnmed Equipment Co., Ltd. · 2019
  4. Descendant · cites it directly · 0 of its ownK111773 Renu Medical Reprocessed Oximax Sensors: Adult, Pediatric, Infant…Renu Medical, Inc. · 2011

Most influential descendants

Showing 3 of 3 · See all
  • K113727Shenzhen Med-Link Pulse Oximeter ProbeShenzhen Med-Link Electronics Tech Co., Ltd. · 2013 · cites it directly1descendant
  • K183277SpO2 SensorShenzhen Upnmed Equipment Co., Ltd. · 2019 · 2 generations on0descendants
  • K111773Renu Medical Reprocessed Oximax Sensors: Adult, Pediatric, Infant and NeonateRenu Medical, Inc. · 2011 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K072194Renu Reprocessed Nellcor Oximetry Sensor, Model D-25, N-25Renu Medical, Inc.2007—
+1K113727Shenzhen Med-Link Pulse Oximeter ProbeShenzhen Med-Link Electronics Tech Co., Ltd.2013—
+2K183277SpO2 SensorShenzhen Upnmed Equipment Co., Ltd.2019—
+1K111773Renu Medical Reprocessed Oximax Sensors: Adult, Pediatric, Infant and NeonateRenu Medical, Inc.2011—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201110
201310
201910
FIG. 1 — Lineage of K072194, 2007–2019Source: 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), 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 NLF? 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 NLF device

  1. #1 K241758 Reprocessed RD SET Adt Pulse Oximeter Sensor…score 14.5 · 22 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
*—Nellcor D-25 Oximetry sensor
Named without a submission number
—
*—Nellcor N-25 Oximetry sensor
Named without a submission number
—

What descends from it? (3)

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

NumberDeviceApplicantDecidedDescendants
K113727Shenzhen Med-Link Pulse Oximeter ProbeShenzhen Med-Link Electronics Tech Co., Ltd.20131
K111773Renu Medical Reprocessed Oximax Sensors: Adult, Pediatric, Infant and NeonateRenu Medical, Inc.20110

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, K113727 (Shenzhen Med-Link Electronics Tech Co., Ltd., 2013) has gone furthest, with 1 descendant of its own.

How does its category compare?

All NLF devices

NLF Oximeter, Reprocessed: FDA decisions, review times, recalls and adverse event reports over 20 years. 2007, this device’s year, is highlighted.

FDA decisions per year · NLF

1in 2024

2007: 22008: 22009: 32010: 12011: 32019: 12020: 12022: 22024: 1
2007high 3 (2009) · low 0 (2012)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · NLF

146in 2011

2009: 214 days median2011: 146 days median
2007high 214 (2009) · low 146 (2011)2026

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

Recalls per year · NLF

3in 2008

2008: 3
2007high 3 (2008) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · NLF

3in 2025

2008: 72009: 32010: 22011: 42012: 52013: 62014: 32015: 32016: 42017: 42018: 82019: 112020: 22021: 12022: 22023: 42024: 12025: 3
2007high 11 (2019) · low 0 (2007)2025

MAUDE reports naming product code NLF, 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
20072—00
20082—37
2009321403
20101—02
2011314604
20120—05
20130—06
20140—03
20150—03
20160—04
20170—04
20180—08
20191—011
20201—02
20210—01
20222—02
20230—04
20241—01
20250—03
20260—0—

What is it indicated for?

D-25 continuous non-invasive arterial oxygen saturation and pulse rate monitoring of patients > 30 kg.

N-25: continuous non-invasive arterial oxygen saturation and pulse rate monitoring of patients foot if < 3 kg, or finger if > 40 kg.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K072194: Renu Reprocessed Nellcor Oximetry Sensor, Model D-25, N-25.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K072194

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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