510(k) Report

510(k) · Cleared

Cleared

Panda Helium Gas Analyzer

K903939510(k) TraditionalCleared Jan 3, 1991129-day reviewClass II21 CFR 868.1640

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

Medical Associated Services, Inc. · BSE Analyzer, Gas, Helium, Gaseous-Phase

Cleared on Jan 3, 1991 after a 129-day review. FDA has not posted a summary or statement for it, so its predicates are not known.

Decided
Jan 3, 1991
Review
129 days
Class
Class II
Product code
BSE
Recalls
None
Predicates
0

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

FIG. 1 — Lineage of K903939Source: FDA 510(k) database · 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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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?

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.

How does its category compare?

All BSE devices

BSE Analyzer, Gas, Helium, Gaseous-Phase: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · BSE

FDA has decided no BSE device since 2007.

Median 510(k) review, days · BSE

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

Recalls per year · BSE

No recall names BSE since 2007.

Adverse event reports per year · BSE

1in 2017

2017: 1
2007high 1 (2017) · low 0 (2007)2025

MAUDE reports naming product code BSE, 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—00
20080—00
20090—00
20100—00
20110—00
20120—00
20130—00
20140—00
20150—00
20160—00
20170—01
20180—00
20190—00
20200—00
20210—00
20220—00
20230—00
20240—00
20250—00
20260—0—
Cite this page

510(k) Report. “K903939: Panda Helium Gas Analyzer.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K903939

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Record history
  • FDA decision record loaded May 2, 2026
  • Page last updated Nov 3, 2026