510(k) Report

510(k) · Cleared

Cleared

Puritan-Bennett Renaissance Spirometry Systemwith the Optionalrenaissance DB Data Managementsoftware

K944762510(k) TraditionalCleared Dec 13, 199477-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

Puritan Bennett Corp. · BZG Spirometer, Diagnostic

Cleared on Dec 13, 1994 after a 77-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 16 later devices descend from it.

Decided
Dec 13, 1994
Review
77 days
Class
Class II
Product code
BZG
Recalls
None
Predicates
0

16 later devices descend from it, 4 citing it directly.

Descendants, by year cleared 2000: 1 descendant cleared1998: 1 descendant cleared2002: 2 descendants cleared2009: 1 descendant cleared2017: 1 descendant cleared2010: 1 descendant cleared2016: 1 descendant cleared2013: 2 descendants cleared2021: 1 descendant cleared2015: 1 descendant cleared2023: 3 descendants cleared2022: 1 descendant cleared1990200020102020
  1. This deviceK944762 Puritan-Bennett Renaissance Spirometry Systemwith the…Puritan Bennett Corp. · 1994
  2. Descendant · cites it directly · 10 of its ownK993921 NDD Medical Technologies Easyone Spirometer: Frontline Model 2000…Ndd Medical Technologies · 2000
  3. Descendant · 2 generations on · 4 of its ownK123896 CCS-200 SpirometerBenson Medical Instruments Co. · 2013
  4. Descendant · 3 generations on · 3 of its ownK130322 SPM-300Bionet Co., Ltd. · 2013
  5. Descendant · 4 generations on · 2 of its ownK220535 Cardio10Bionet Co., Ltd. · 2022
  6. Descendant · cites it directly · 2 of its ownK022103 Puritan-Bennett 700 Renaissance II Spirometry SystemPuritan Bennett Corp. · 2002

Showing 5 of 16 descendants. See all descendants

Descendants cleared per year

1998: 12000: 12002: 22009: 12010: 12013: 22015: 12016: 12017: 12021: 12022: 12023: 3
1998high 3 (2023) · low 0 (1999)2026

Most influential descendants

Showing 5 of 16 · See all
  • K993921NDD Medical Technologies Easyone Spirometer: Frontline Model 2000 and Diagnostic Model…Ndd Medical Technologies · 2000 · cites it directly10descendants
  • K123896CCS-200 SpirometerBenson Medical Instruments Co. · 2013 · 2 generations on4descendants
  • K130322SPM-300Bionet Co., Ltd. · 2013 · 3 generations on3descendants
  • K220535Cardio10Bionet Co., Ltd. · 2022 · 4 generations on2descendants
  • K022103Puritan-Bennett 700 Renaissance II Spirometry SystemPuritan Bennett Corp. · 2002 · cites it directly2descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K944762Puritan-Bennett Renaissance Spirometry Systemwith the Optionalrenaissance DB…Puritan Bennett Corp.1994—
+1K993921NDD Medical Technologies Easyone Spirometer: Frontline Model 2000 and…Ndd Medical Technologies2000—
+2K123896CCS-200 SpirometerBenson Medical Instruments Co.2013—
+3K130322SPM-300Bionet Co., Ltd.2013—
+4K220535Cardio10Bionet Co., Ltd.2022—
+1K022103Puritan-Bennett 700 Renaissance II Spirometry SystemPuritan Bennett Corp.2002—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199810
200010
200220
200910
201010
201320
201510
201610
201710
202110
202210
202330
FIG. 1 — Lineage of K944762, 1994–2023Source: 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
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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? (16)

See all 16

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

NumberDeviceApplicantDecidedDescendants
K993921NDD Medical Technologies Easyone Spirometer: Frontline Model 2000 and Diagnostic Model…Ndd Medical Technologies200010
K022103Puritan-Bennett 700 Renaissance II Spirometry SystemPuritan Bennett Corp.20022
K023225Puritan Bennett Dataflow Data Management SoftwarePuritan Bennett Corp.20020
K980441Spirometer Model NPB-500Nellcor Puritan Bennett, Inc.19980

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, K993921 (Ndd Medical Technologies, 2000) has gone furthest, with 10 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. “K944762: Puritan-Bennett Renaissance Spirometry Systemwith the Optionalrenaissance DB Data Managementsoftware.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K944762

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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