510(k) Report

510(k) · Cleared

Cleared

Spirotel

K043528510(k) TraditionalCleared Jul 19, 2005210-day reviewClass II21 CFR 868.1840

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

Mir Medical Intl. Research Srl · BZG Spirometer, Diagnostic

Cleared on Jul 19, 2005 as substantially equivalent to K031643 (Sdi Diagnostics, Inc., 2003) and 1 other predicate after a 210-day review. Its family tree reaches back 2 generations to 1994. 42 later devices descend from it.

Decided
Jul 19, 2005
Review
210 days
Class
Class II
Product code
BZG
Recalls
None
Predicates
2

Its longest line of descent runs back 2 generations to K943404 (1994). 6 ancestors in all. 42 later devices descend from it, 2 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2003: 1 other ancestor2000: 1 other ancestor1998: 1 other ancestor1994: 1 other ancestor2006: 1 descendant cleared2013: 1 descendant cleared2009: 2 descendants cleared2011: 2 descendants cleared2007: 1 descendant cleared2019: 1 descendant cleared2024: 7 descendants cleared2017: 2 descendants cleared2020: 6 descendants cleared2014: 1 descendant cleared2023: 6 descendants cleared2015: 1 descendant cleared2021: 1 descendant cleared2022: 3 descendants cleared2025: 5 descendants cleared2026: 2 descendants clearedK943404 · 3301 Pulse Oximeter · Bci Intl., Inc. · 1994K013171 · 3420 Digit Pulse Oximeter, Model 3420 · Bci, Inc. · 20021990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor2 generations back: 3 other ancestors 1 generation forward: 2 descendants2 generations forward: 3 descendants3 generations forward: 9 descendants4 generations forward: 13 descendants5 generations forward: 6 descendants6 generations forward: 8 descendants7 generations forward: 1 descendant K013171 · 3420 Digit Pulse Oximeter, Model 3420 · Bci, Inc. · 2002K943404 · 3301 Pulse Oximeter · Bci Intl., Inc. · 19940+5
  1. Root · 2 generations backK943404 3301 Pulse OximeterBci Intl., Inc. · 1994
  2. 1 generation backK013171 3420 Digit Pulse Oximeter, Model 3420Bci, Inc. · 2002
  3. This deviceK043528 SpirotelMir Medical Intl. Research Srl · 2005
  4. Descendant · cites it directly · 40 of its ownK061712 Spirobank IIMir Medical Intl. Research Srl · 2006
  5. Descendant · 2 generations on · 33 of its ownK072979 Spirobank GMir Medical Intl. Research Srl · 2007
  6. Descendant · 3 generations on · 16 of its ownK191272 Wearable Device, Wearable PackageCurrent Health, Ltd. · 2019
  7. Descendant · 4 generations on · 8 of its ownK210133 Current Health Monitoring System Gen 2 (G2)Current Health · 2021
  8. Descendant · 4 generations on · 7 of its ownK221282 Empatica Health Monitoring PlatformEmpatica S.r.l. · 2022

Showing 5 of 42 descendants. See all descendants

Descendants cleared per year

2006: 12007: 12009: 22011: 22013: 12014: 12015: 12017: 22019: 12020: 62021: 12022: 32023: 62024: 72025: 52026: 2
2006high 7 (2024) · low 0 (2008)2026

Most influential descendants

Showing 5 of 42 · See all
  • K061712Spirobank IIMir Medical Intl. Research Srl · 2006 · cites it directly40descendants
  • K072979Spirobank GMir Medical Intl. Research Srl · 2007 · 2 generations on33descendants
  • K191272Wearable Device, Wearable PackageCurrent Health, Ltd. · 2019 · 3 generations on16descendants
  • K210133Current Health Monitoring System Gen 2 (G2)Current Health · 2021 · 4 generations on8descendants
  • K221282Empatica Health Monitoring PlatformEmpatica S.r.l. · 2022 · 4 generations on7descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K9434043301 Pulse OximeterBci Intl., Inc.1994—
−1K0131713420 Digit Pulse Oximeter, Model 3420Bci, Inc.2002—
0 (this device)K043528SpirotelMir Medical Intl. Research Srl2005—
+1K061712Spirobank IIMir Medical Intl. Research Srl2006—
+2K072979Spirobank GMir Medical Intl. Research Srl2007—
+3K191272Wearable Device, Wearable PackageCurrent Health, Ltd.2019—
+4K210133Current Health Monitoring System Gen 2 (G2)Current Health2021—
+4K221282Empatica Health Monitoring PlatformEmpatica S.r.l.2022—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199410
199810
200010
200310

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200610
200710
200920
201120
201310
201410
201510
201720
201910
202060
202110
202230
202360
202470
202550
202620
FIG. 1 — Lineage of K043528, 1994–2026Source: 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 BZG? 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 BZG device

  1. #1 K251777 MESI mTABLET SPIROscore 13.0 · 8 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
*K031643Spirotel, Model 29-1020
Summary page 1
…ted device to which the submitter claims equivalence: Company Name: SDI Diagnostics, Inc. Device Name: Spirotel, Model 29-1020. 5 10(k) number: K031643 Company Name: BCl, Inc. Device Name: 3420 "Digit" Pulse Oximeter. 5 10(k) number: K013171 4. Descrip…
Sdi Diagnostics, Inc.2003—
*K0131713420 Digit Pulse Oximeter, Model 3420
Summary page 1
…Spirotel, Model 29-1020. 5 10(k) number: K031643 Company Name: BCl, Inc. Device Name: 3420 "Digit" Pulse Oximeter. 5 10(k) number: K013171 4. Description of the device: MIR Spirotel is a simple to operate precise pocket spirmeerand pulse oximeter (weight only I1O0…
Bci, Inc.2002—

Also cleared against K031643: 1 other device →

What descends from it? (42)

See all 42

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

NumberDeviceApplicantDecidedDescendants
K061712Spirobank IIMir Medical Intl. Research Srl200640
K130784SpirotelMir Medical Intl. Research Srl20130

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 11 years and passes through 3 companies; a new generation was cleared every 7.2 years on median.
  • None of the 6 ancestors has a recall.
  • Of its descendants, K061712 (Mir Medical Intl. Research Srl, 2006) has gone furthest, with 40 descendants of its own.
  • 1 other device also cites its predicate K031643.

How does its category compare?

All BZG devices

BZG Spirometer, Diagnostic: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · BZG

2in 2024

2007: 32008: 32009: 82010: 42011: 62012: 32013: 32014: 52015: 52016: 42017: 22018: 12019: 32020: 52021: 12022: 22023: 52024: 22026 (partial year): 1
2007high 8 (2009) · low 0 (2025)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · BZG

362in 2023

2007: 121 days median2008: 209 days median2009: 141 days median2010: 181 days median2011: 278 days median2012: 59 days median2013: 266 days median2014: 154 days median2015: 273 days median2016: 235 days median2019: 146 days median2020: 126 days median2023: 362 days median
2007high 362 (2023) · low 59 (2012)2026

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

Recalls per year · BZG

1in 2024

2024: 1
2007high 1 (2024) · low 0 (2007)2026

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

Adverse event reports per year · BZG

1in 2025

2007: 12011: 12012: 22013: 12014: 12015: 12016: 12017: 12018: 12019: 12020: 22021: 12022: 32023: 22024: 32025: 1
2007high 3 (2022) · low 0 (2008)2025

MAUDE reports naming product code BZG, 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
2007312101
2008320900
2009814100
2010418100
2011627801
201235902
2013326601
2014515401
2015527301
2016423501
20172—01
20181—01
2019314601
2020512602
20211—01
20222—03
2023536202
20242—13
20250—01
20261—0—

What is it indicated for?

The Spirotel spirometer and pulse oximeter is intended to be used by a physician or by a patient under the instruction of a physician or paramedic to test lung function in people of all ages. It is also intended to be used as a single-patient device and can be used in any setting - home, factory, pharmacy, hospital or physician's office.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K043528: Spirotel.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K043528

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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