510(k) Report

510(k) · Cleared

Cleared

Emt Resuscitator

K983705510(k) SpecialCleared Oct 29, 19988-day reviewClass II21 CFR 868.5925

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

O-Two Systems Intl., Inc. · BTL Ventilator, Emergency, Powered (Resuscitator)

Cleared on Oct 29, 1998 as substantially equivalent to K932170 (O-Two Systems Intl., Inc., 1993) after an 8-day review. Its family tree reaches back 1 generation to 1993.

Decided
Oct 29, 1998
Review
8 days
Class
Class II
Product code
BTL
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K932170 (1993). No later device cites it as a predicate yet.

K932170 · Flynnr Genesis II a/C, a/O and Idlh · O-Two Systems Intl., Inc. · 1993199019921994199619982000
  1. Root · 1 generation backK932170 Flynnr Genesis II a/C, a/O and IdlhO-Two Systems Intl., Inc. · 1993
  2. This deviceK983705 Emt ResuscitatorO-Two Systems Intl., Inc. · 1998
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K932170Flynnr Genesis II a/C, a/O and IdlhO-Two Systems Intl., Inc.1993—
0 (this device)K983705Emt ResuscitatorO-Two Systems Intl., Inc.1998—
FIG. 1 — Lineage of K983705, 1993–1998Source: 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 BTL? 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 BTL device

  1. #1 K242769 VentStar Resus heated (N) (MP17030); VentStar…score 11.2 · 8 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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What was it cleared against? (1)

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
*K932170Flynnr Genesis II a/C, a/O and Idlh
Summary page 1
…or COMMON NAME: AUTOMATIC RESUSCITATOR REGULATORY CLASS: i 510K # : TO BE SUPPLIED LEGALLY MARKETED DEVICE TO WHICH EQUIVALENCE IS CLAIMED: GENESIS® Il A/C - 510K #. K932170 DESCRIPTION OF THE DEVICE: The EMT automatic/manually triggered resuscitators are designed to provide respiratory support to pa…
O-Two Systems Intl., Inc.1993—

Also cleared against K932170: 5 other devices →

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?

  • Its one ancestor has no recall.
  • 5 other devices also cite its predicate K932170.

How does its category compare?

All BTL devices

BTL Ventilator, Emergency, Powered (Resuscitator): FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · BTL

1in 2025

2007: 52008: 42009: 52010: 32011: 22013: 12014: 72015: 12017: 22018: 12019: 12020: 12021: 12023: 12025: 1
2007high 7 (2014) · low 0 (2012)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · BTL

203in 2014

2007: 122 days median2008: 198 days median2009: 173 days median2010: 140 days median2014: 203 days median
2007high 203 (2014) · low 122 (2007)2026

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

Recalls per year · BTL

2in 2024

2007: 12011: 12012: 2, 2 Class I2013: 3, 1 Class I2015: 3, 2 Class I2019: 3, 3 Class I2021: 12024: 2, 2 Class I
2007high 3 (2013) · low 0 (2008)2026

Class I (10 since 2007) Class II/III not classified

Adverse event reports per year · BTL

165in 2025

2007: 52008: 372009: 692010: 962011: 752012: 1152013: 1032014: 702015: 792016: 802017: 1012018: 1972019: 3412020: 4542021: 5062022: 7552023: 7312024: 6672025: 165
2007high 755 (2022) · low 5 (2007)2025

MAUDE reports naming product code BTL, 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
2007512215
20084198037
20095173069
20103140096
20112—175
20120—2 (2)115
20131—3 (1)103
20147203070
20151—3 (2)79
20160—080
20172—0101
20181—0197
20191—3 (3)341
20201—0454
20211—1506
20220—0755
20231—0731
20240—2 (2)667
20251—0165
20260—0—

What is it indicated for?

Pulmonary resuscitation during respiratory and/or cardiac arrest.

Short term ventilatory support for both inter and intra-hospital transport of non-breathing patients.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K983705: Emt Resuscitator.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K983705

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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