510(k) Report

510(k) · Cleared

Cleared

Mass Spectrometer Interface

K841722510(k) TraditionalCleared May 14, 198419-day reviewClass I21 CFR 868.5975

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

Dryden Corp. · BZO Set, Tubing And Support, Ventilator (W Harness)

Cleared on May 14, 1984 after a 19-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 1 later device descends from it.

Decided
May 14, 1984
Review
19 days
Class
Class I
Product code
BZO
Recalls
None
Predicates
0

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

Descendants, by year cleared 1996: 1 descendant cleared19801990200020102020
  1. This deviceK841722 Mass Spectrometer InterfaceDryden Corp. · 1984
  2. Descendant · cites it directly · 0 of its ownK960972 Disposable Gas Sampling Interface KitsMarquest Medical Products, Inc. · 1996

Most influential descendants

Showing 1 of 1 · See all
  • K960972Disposable Gas Sampling Interface KitsMarquest Medical Products, Inc. · 1996 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K841722Mass Spectrometer InterfaceDryden Corp.1984—
+1K960972Disposable Gas Sampling Interface KitsMarquest Medical Products, Inc.1996—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199610
FIG. 1 — Lineage of K841722, 1984–1996Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

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 BZO? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

  • 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 has not posted a summary or statement for it, 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
K960972Disposable Gas Sampling Interface KitsMarquest Medical Products, Inc.19960

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, K960972 (Marquest Medical Products, Inc., 1996) has gone furthest, with 0 descendants of its own.

How does its category compare?

All BZO devices

BZO Set, Tubing And Support, Ventilator (W Harness): FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · BZO

FDA has decided no BZO device since 2007.

Median 510(k) review, days · BZO

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

Recalls per year · BZO

2so far in 2026, the most since 2007

2012: 1, 1 Class I2025: 1, 1 Class I2026 (partial year): 2, 1 Class I
2007high 2 (2026) · low 0 (2007)2026

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

Adverse event reports per year · BZO

70in 2025

2007: 432008: 412009: 462010: 1402011: 1862012: 992013: 1222014: 842015: 552016: 562017: 462018: 262019: 332020: 302021: 522022: 662023: 372024: 452025: 70
2007high 186 (2011) · low 26 (2018)2025

MAUDE reports naming product code BZO, 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—043
20080—041
20090—046
20100—0140
20110—0186
20120—1 (1)99
20130—0122
20140—084
20150—055
20160—056
20170—046
20180—026
20190—033
20200—030
20210—052
20220—066
20230—037
20240—045
20250—1 (1)70
20260—2 (1)—

More from Dryden Corp.

21 FDA decisions under this applicant name. See the company

  • K880923Patient Ventilator IsolatorDryden Corp. · 1988
  • K880769Breathing Circuit W/Heated WireDryden Corp. · 1988
  • K882285Nonrebreathing CircuitDryden Corp. · 1988
  • K873928Universal TourniquetDryden Corp. · 1987
  • K873927Reuseable Breathing TubesDryden Corp. · 1987

Recent decisions in BZO

The BZO category page

  • K953784Unicor, Inc. Corrugated TubingUnicor, Inc. · 1995
  • K953785Unicor, Inc. Ventilator HosesUnicor, Inc. · 1995
  • K952012Prima Custom Anestesia CircuitPrima, Inc. · 1995
  • K952022Prima Volumn VentilatorssPrima, Inc. · 1995
  • K952011Prima Breathing BagsPrima, Inc. · 1995

https://510kreport.com/device/K841722 · printed Nov 6, 2026

Cite this page

510(k) Report. “K841722: Mass Spectrometer Interface.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K841722

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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