510(k) Report

510(k) · Cleared

Cleared

Spirometrics Model 2600 Miro Spirometer

K901057510(k) TraditionalCleared Apr 3, 199028-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

Spirometrics, Inc. · BZG Spirometer, Diagnostic

Cleared on Apr 3, 1990 after a 28-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 8 later devices descend from it.

Decided
Apr 3, 1990
Review
28 days
Class
Class II
Product code
BZG
Recalls
None
Predicates
0

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

Descendants, by year cleared 1996: 1 descendant cleared2006: 1 descendant cleared1997: 1 descendant cleared2008: 1 descendant cleared2011: 2 descendants cleared2024: 1 descendant cleared2012: 1 descendant cleared1990200020102020
  1. This deviceK901057 Spirometrics Model 2600 Miro SpirometerSpirometrics, Inc. · 1990
  2. Descendant · cites it directly · 7 of its ownK963035 Micro SpirometerMicro Direct, Inc. · 1996
  3. Descendant · 2 generations on · 3 of its ownK061283 PulmolifeMicro Medical, Ltd. · 2006
  4. Descendant · 3 generations on · 2 of its ownK073155 Vitalograph Model 4000 (Asma-1 and Copd-6)Vitalograph (Ireland), Ltd. · 2008
  5. Descendant · 2 generations on · 2 of its ownK965042 Microdl Diarycard SpirometerMicro Direct, Inc. · 1997
  6. Descendant · 3 generations on · 1 of its ownK100928 Micro Diary SpirometerViasys Respiratory Care, Inc. · 2011

Showing 5 of 8 descendants. See all descendants

Descendants cleared per year

1996: 11997: 12006: 12008: 12011: 22012: 12024: 1
1996high 2 (2011) · low 0 (1998)2026

Most influential descendants

Showing 5 of 8 · See all
  • K963035Micro SpirometerMicro Direct, Inc. · 1996 · cites it directly7descendants
  • K061283PulmolifeMicro Medical, Ltd. · 2006 · 2 generations on3descendants
  • K073155Vitalograph Model 4000 (Asma-1 and Copd-6)Vitalograph (Ireland), Ltd. · 2008 · 3 generations on2descendants
  • K965042Microdl Diarycard SpirometerMicro Direct, Inc. · 1997 · 2 generations on2descendants
  • K100928Micro Diary SpirometerViasys Respiratory Care, Inc. · 2011 · 3 generations on1descendant
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K901057Spirometrics Model 2600 Miro SpirometerSpirometrics, Inc.1990—
+1K963035Micro SpirometerMicro Direct, Inc.1996—
+2K061283PulmolifeMicro Medical, Ltd.2006—
+3K073155Vitalograph Model 4000 (Asma-1 and Copd-6)Vitalograph (Ireland), Ltd.2008—
+2K965042Microdl Diarycard SpirometerMicro Direct, Inc.1997—
+3K100928Micro Diary SpirometerViasys Respiratory Care, Inc.2011—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199610
199710
200610
200810
201120
201210
202410
FIG. 1 — Lineage of K901057, 1990–2024Source: 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), 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?

FDA has not posted a summary or statement for it, so its predicates are not known.

What descends from it? (8)

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

NumberDeviceApplicantDecidedDescendants
K963035Micro SpirometerMicro Direct, Inc.19967

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, K963035 (Micro Direct, Inc., 1996) has gone furthest, with 7 descendants of its own.

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—
Cite this page

510(k) Report. “K901057: Spirometrics Model 2600 Miro Spirometer.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K901057

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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