510(k) Report

510(k) · Cleared

Cleared

Air Star

K920954510(k) TraditionalCleared Aug 3, 1992159-day reviewClass II21 CFR 868.6250

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

Infrasonics Corp. · BTI Compressor, Air, Portable

Cleared on Aug 3, 1992 after a 159-day review. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known. 1 later device descends from it.

Decided
Aug 3, 1992
Review
159 days
Class
Class II
Product code
BTI
Recalls
None
Predicates
0

1 later device descends from it, 1 citing it directly.

Descendants, by year cleared 2005: 1 descendant cleared1990200020102020
  1. This deviceK920954 Air StarInfrasonics Corp. · 1992
  2. Descendant · cites it directly · 0 of its ownK041781 Ventilair II Medical Air CompressorHamilton Medical AG · 2005

Most influential descendants

Showing 1 of 1 · See all
  • K041781Ventilair II Medical Air CompressorHamilton Medical AG · 2005 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K920954Air StarInfrasonics Corp.1992—
+1K041781Ventilair II Medical Air CompressorHamilton Medical AG2005—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200510
FIG. 1 — Lineage of K920954, 1992–2005Source: 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.

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  • Candidate predicates for a device like this, rankedin the report
  • Recall history across each candidate’s familyin the report
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What was it cleared against?

FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K041781Ventilair II Medical Air CompressorHamilton Medical AG20050

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, K041781 (Hamilton Medical AG, 2005) has gone furthest, with 0 descendants of its own.

How does its category compare?

All BTI devices

BTI Compressor, Air, Portable: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · BTI

1in 2013

2008: 12009: 12012: 12013: 1
2007high 1 (2008) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · BTI

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

Recalls per year · BTI

3in 2023

2007: 12013: 12023: 3, 3 Class I
2007high 3 (2023) · low 0 (2008)2026

Class I (3 since 2007) Class II/III not classified

Adverse event reports per year · BTI

120in 2025

2007: 182008: 92009: 72010: 112011: 132012: 2172013: 1,7102014: 9822015: 2942016: 1392017: 1032018: 712019: 1142020: 1112021: 2782022: 2482023: 3252024: 1662025: 120
2007high 1,710 (2013) · low 7 (2009)2025

MAUDE reports naming product code BTI, 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—118
20081—09
20091—07
20100—011
20110—013
20121—0217
20131—11,710
20140—0982
20150—0294
20160—0139
20170—0103
20180—071
20190—0114
20200—0111
20210—0278
20220—0248
20230—3 (3)325
20240—0166
20250—0120
20260—0—
Cite this page

510(k) Report. “K920954: Air Star.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K920954

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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