510(k) Report

De Novo · Granted

Granted

Proteus Ingestion Confinmation Systems

DEN120011De NovoGranted Jul 10, 201260-day reviewClass II21 CFR 880.6305

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

Proteus Biomedical, Inc. · OZW Ingestible Event Marker

Granted on Jul 10, 2012 as a new device type through De Novo after a 60-day review. 7 later devices descend from it.

Decided
Jul 10, 2012
Review
60 days
Class
Class II
Product code
OZW
Recalls
None

7 later devices descend from it, 1 citing it directly.

Descendants, by year cleared 2013: 2 descendants cleared2014: 1 descendant cleared2023: 1 descendant cleared2015: 1 descendant cleared2019: 1 descendant cleared2025: 1 descendant cleared2010201520202025
  1. This deviceDEN120011 Proteus Ingestion Confinmation SystemsProteus Biomedical, Inc. · 2012
  2. Descendant · cites it directly · 6 of its ownK131009 Proteus Patch, Ingestible Sensor (Accessory)Proteus Digital Health, Inc. · 2013
  3. Descendant · 2 generations on · 4 of its ownK133263 Proteus Patch, Proteus Ingestible Sensor (Accessory)Proteus Digital Health, Inc. · 2014
  4. Descendant · 3 generations on · 3 of its ownK150494 Proteus Digital Health Feedback DeviceProteus Digital Health, Inc. · 2015
  5. Descendant · 3 generations on · 1 of its ownK223463 Otsuka Digital Feedback Device-RWOtsuka America Pharmaceutical, Inc. · 2023
  6. Descendant · 4 generations on · 0 of its ownK251088 Otsuka Digital Feedback DeviceOtsuka America Pharmaceutical, Inc. · 2025

Showing 5 of 7 descendants. See all descendants

Descendants cleared per year

2013: 22014: 12015: 12019: 12023: 12025: 1
2013high 2 (2013) · low 0 (2016)2026

Most influential descendants

Showing 5 of 7 · See all
  • K131009Proteus Patch, Ingestible Sensor (Accessory)Proteus Digital Health, Inc. · 2013 · cites it directly6descendants
  • K133263Proteus Patch, Proteus Ingestible Sensor (Accessory)Proteus Digital Health, Inc. · 2014 · 2 generations on4descendants
  • K150494Proteus Digital Health Feedback DeviceProteus Digital Health, Inc. · 2015 · 3 generations on3descendants
  • K223463Otsuka Digital Feedback Device-RWOtsuka America Pharmaceutical, Inc. · 2023 · 3 generations on1descendant
  • K251088Otsuka Digital Feedback DeviceOtsuka America Pharmaceutical, Inc. · 2025 · 4 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)DEN120011Proteus Ingestion Confinmation SystemsProteus Biomedical, Inc.2012—
+1K131009Proteus Patch, Ingestible Sensor (Accessory)Proteus Digital Health, Inc.2013—
+2K133263Proteus Patch, Proteus Ingestible Sensor (Accessory)Proteus Digital Health, Inc.2014—
+3K150494Proteus Digital Health Feedback DeviceProteus Digital Health, Inc.2015—
+3K223463Otsuka Digital Feedback Device-RWOtsuka America Pharmaceutical, Inc.2023—
+4K251088Otsuka Digital Feedback DeviceOtsuka America Pharmaceutical, Inc.2025—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201320
201410
201510
201910
202310
202510
FIG. 1 — Lineage of DEN120011, 2012–2025Source: 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 De Novo 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 OZW? 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 OZW device

  1. #1 K251088 Otsuka Digital Feedback Devicescore 12.0 · 9 generations · no Class I recall
  2. #2 Held for the reportin the report
Get a 510(k) Report

Does it have a predicate?

De Novo decisions do not claim a predicate device.

What descends from it? (7)

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

NumberDeviceApplicantDecidedDescendants
K131009Proteus Patch, Ingestible Sensor (Accessory)Proteus Digital Health, Inc.20136

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, K131009 (Proteus Digital Health, Inc., 2013) has gone furthest, with 6 descendants of its own.

How does its category compare?

All OZW devices

OZW Ingestible Event Marker: FDA decisions, review times, recalls and adverse event reports over 20 years. 2012, this device’s year, is highlighted.

FDA decisions per year · OZW

1in 2025

2012: 12013: 22014: 12015: 12019: 12023: 12025: 1
2007high 2 (2013) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · OZW

Too few OZW 510(k)s in any year since 2007 to give a median.

Recalls per year · OZW

No recall names OZW since 2007.

Adverse event reports per year · OZW

2in 2018

2018: 2
2007high 2 (2018) · low 0 (2007)2025

MAUDE reports naming product code OZW, 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
20080—00
20090—00
20100—00
20110—00
20121—00
20132—00
20141—00
20151—00
20160—00
20170—00
20180—02
20191—00
20200—00
20210—00
20220—00
20231—00
20240—00
20251—00
20260—0—
Cite this page

510(k) Report. “DEN120011: Proteus Ingestion Confinmation Systems.” Lineage record from FDA De Novo data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/DEN120011

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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