510(k) Report

510(k) · Cleared

Cleared

Multi-Parameter Mobile Careguide 3100 Oximeter with Tablet

K133923510(k) TraditionalCleared Apr 11, 2014109-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

Reflectance Medical, Inc. · MUD Oximeter, Tissue Saturation

Cleared on Apr 11, 2014 as substantially equivalent to K130079 (Reflectance Medical, Inc., 2013) and 1 other predicate after a 109-day review. Its family tree reaches back 11 generations to 1998. 1 later device descends from it.

Decided
Apr 11, 2014
Review
109 days
Class
Class II
Product code
MUD
Recalls
None
Predicates
2

Its longest line of descent runs back 11 generations to K963903 (1998). 25 ancestors in all, the oldest K853990 (1985). 1 later device descends from it, 1 citing it directly.

  1. Root · 11 generations backK963903 Biospectrometer-NB Oximeter IiiiHutchinson Technology, Inc. · 1998
  2. 7 generations between
  3. 3 generations backK113656 Careguide OximeterReflectance Medical, Inc. · 2012
  4. 2 generations backK122645 Mobile Careguide 2100 OximeterReflectance Medical, Inc. · 2012
  5. 1 generation backK130079 Multi-Parameter Mobile Careguide 3100 OximeterReflectance Medical, Inc. · 2013
  6. This deviceK133923 Multi-Parameter Mobile Careguide 3100 Oximeter with TabletReflectance Medical, Inc. · 2014
  7. Descendant · cites it directly · 0 of its ownK141496 Multi-Parameter Mobile Careguide 4100 OximeterReflectance Medical, Inc. · 2014
Show all 11 generations
  1. Root · 11 generations backK963903 Biospectrometer-NB Oximeter IiiiHutchinson Technology, Inc. · 1998
  2. 10 generations backK012759 Inspectra Tissue Spectrometer System (Inspectra), Model 325Hutchinson Technology, Inc. · 2002
  3. 9 generations backK023938 Modification to Inspectra Tissue Spectrometer System, Model 325Hutchinson Technology, Inc. · 2002
  4. 8 generations backK042020 Spectra Tissue Spectrometer System (Inspectra)Hutchinson Technology, Inc. · 2004
  5. 7 generations backK053618 Inspectra Tissue Spectrometer System, Model 325Hutchinson Technology, Inc. · 2006
  6. 6 generations backK061619 Inspectra STO2 Tissue Oxygenation MonitorHutchinson Technology, Inc. · 2006
  7. 5 generations backK100915 Inspectra STO2 Tissue Oxygenation Monitor, Model 650Hutchinson Technology, Inc. · 2010
  8. 4 generations backK103613 Inpectra STO2 Spot CheckHutchinson Technology, Inc. · 2011
  9. 3 generations backK113656 Careguide OximeterReflectance Medical, Inc. · 2012
  10. 2 generations backK122645 Mobile Careguide 2100 OximeterReflectance Medical, Inc. · 2012
  11. 1 generation backK130079 Multi-Parameter Mobile Careguide 3100 OximeterReflectance Medical, Inc. · 2013
  12. This deviceK133923 Multi-Parameter Mobile Careguide 3100 Oximeter with TabletReflectance Medical, Inc. · 2014

Most influential descendants

Showing 1 of 1 · See all
  • K141496Multi-Parameter Mobile Careguide 4100 OximeterReflectance Medical, Inc. · 2014 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−11K963903Biospectrometer-NB Oximeter IiiiHutchinson Technology, Inc.1998—
−10K012759Inspectra Tissue Spectrometer System (Inspectra), Model 325Hutchinson Technology, Inc.2002—
−9K023938Modification to Inspectra Tissue Spectrometer System, Model 325Hutchinson Technology, Inc.2002—
−8K042020Spectra Tissue Spectrometer System (Inspectra)Hutchinson Technology, Inc.2004—
−7K053618Inspectra Tissue Spectrometer System, Model 325Hutchinson Technology, Inc.2006—
−6K061619Inspectra STO2 Tissue Oxygenation MonitorHutchinson Technology, Inc.2006—
−5K100915Inspectra STO2 Tissue Oxygenation Monitor, Model 650Hutchinson Technology, Inc.2010—
−4K103613Inpectra STO2 Spot CheckHutchinson Technology, Inc.2011—
−3K113656Careguide OximeterReflectance Medical, Inc.2012—
−2K122645Mobile Careguide 2100 OximeterReflectance Medical, Inc.2012—
−1K130079Multi-Parameter Mobile Careguide 3100 OximeterReflectance Medical, Inc.2013—
0 (this device)K133923Multi-Parameter Mobile Careguide 3100 Oximeter with TabletReflectance Medical, Inc.2014—
+1K141496Multi-Parameter Mobile Careguide 4100 OximeterReflectance Medical, Inc.2014—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198510
198610
199710
200020
200210
200310
200420
200520
200620
200810

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201410
FIG. 1 — Lineage of K133923, 1998–2014Source: 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 MUD? 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 MUD device

  1. #1 K223651 Cerebral Adaptive Index (CAI) Algorithmscore 19.8 · 29 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
*K130079Multi-Parameter Mobile Careguide 3100 Oximeter
Summary page 2
…essary to collect spectra from skin, fat and muscle. The sensor has a 3m long cord with a USB connection to the Android tablet. The sensor is identical to the predicate (K 130079) Multi-parameter Mobile CareGuide 3 100 Oximeter. The Multi-Parameter Mobile CareGuide 3100 Oximeter with Tablet uses the same di…
Reflectance Medical, Inc.2013—
*K113656Careguide Oximeter
Summary page 2
…evice: CareGuide Oximeter Model #: 1100 510(k) Holder/Submitter: Reflectance Medical Inc. 5 10(k) Numbers: K 113656, CareGuide 1100 Product code: MUD, 21 CFR 870.2700, Cardiovascular Device Description The Multi-Parameter Mo…
Reflectance Medical, Inc.2012—

Also cleared against K130079: 1 other device →

What descends from it? (1)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K141496Multi-Parameter Mobile Careguide 4100 OximeterReflectance Medical, Inc.20140

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 16 years and passes through 2 companies; a new generation was cleared every 11 months on median.
  • 4 of the 25 ancestors have a recall of any class.
  • Of its descendants, K141496 (Reflectance Medical, Inc., 2014) has gone furthest, with 0 descendants of its own.
  • 1 other device also cites its predicate K130079.

How does its category compare?

All MUD devices

MUD Oximeter, Tissue Saturation: FDA decisions, review times, recalls and adverse event reports over 20 years. 2014, this device’s year, is highlighted.

FDA decisions per year · MUD

2in 2025

2008: 42009: 42010: 42011: 22012: 62013: 22014: 52015: 32016: 42017: 32018: 32019: 72020: 22021: 22022: 22023: 22024: 52025: 22026 (partial year): 1
2007high 7 (2019) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · MUD

124in 2024

2008: 72 days median2009: 96 days median2010: 59 days median2012: 211 days median2014: 109 days median2015: 107 days median2016: 167 days median2017: 249 days median2018: 128 days median2019: 88 days median2024: 124 days median
2007high 249 (2017) · low 59 (2010)2026

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

Recalls per year · MUD

1in 2023

2009: 12022: 22023: 12026 (partial year): 1
2007high 2 (2022) · low 0 (2007)2026

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

Adverse event reports per year · MUD

131in 2025

2008: 22009: 72010: 12011: 22012: 32013: 82014: 42016: 92017: 242018: 382019: 1072020: 502021: 272022: 522023: 732024: 1402025: 131
2007high 140 (2024) · low 0 (2007)2025

MAUDE reports naming product code MUD, 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
200847202
200949617
201045901
20112—02
2012621103
20132—08
2014510904
2015310700
2016416709
20173249024
20183128038
20197880107
20202—050
20212—027
20222—252
20232—173
202451240140
20252—0131
20261—1—

What is it indicated for?

The Multi-Parameter Mobile CareGuideTM 3100 Oximeter with Tablet is intended for use as an adjunct, non-invasive monitor of the hemoglobin oxygen saturation and pH of microvascular blood in a region of skeletal muscle tissue beneath the sensor. The sensor may be positioned on pigmented skin. The Multi-Parameter Mobile CareGuide 3100 Oximeter is intended to allow for display of SmO2 and pHm data on an Android Tablet display, which would interface with the…

Read the full statement (174 words)

The Multi-Parameter Mobile CareGuideTM 3100 Oximeter with Tablet is intended for use as an adjunct, non-invasive monitor of the hemoglobin oxygen saturation and pH of microvascular blood in a region of skeletal muscle tissue beneath the sensor. The sensor may be positioned on pigmented skin. The Multi-Parameter Mobile CareGuide 3100 Oximeter is intended to allow for display of SmO2 and pHm data on an Android Tablet display, which would interface with the Multi-Parameter Mobile CareGuide 3100 Oximeter via USB connection. The Multi-Parameter Mobile CareGuide 3100 Oximeter with Tablet is intended for prescriptive use (Rx only) by a trained healthcare professional in a hospital. The Multi-Parameter Mobile CareGuide 3100 Oximeter with Tablet provides display of the most recent values of SmO2 and pHm in a trend, as well as operational device information. The Multi-Parameter Mobile CareGuide 3100 Oximeter with Tablet should not be used as the sole basis for diagnosis or therapy. Note: The prospective clinical value of data from the Multi-Parameter Mobile CareGuide 3100 Oximeter with Tablet has not been demonstrated in disease states.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K133923: Multi-Parameter Mobile Careguide 3100 Oximeter with Tablet.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K133923

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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