510(k) Report

510(k) · Cleared

Cleared

Gem-6, with Components

K854357510(k) TraditionalCleared Jan 8, 198671-day reviewClass II21 CFR 870.4330

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

Diamond Electro-Tech, Inc. · DRY Monitor, Blood-Gas, On-Line, Cardiopulmonary Bypass

Cleared on Jan 8, 1986 after a 71-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 2 of the 12 devices in its family, counting itself, have a Class I recall. 11 later devices descend from it.

Decided
Jan 8, 1986
Review
71 days
Class
Class II
Product code
DRY
Recalls
None
Predicates
0

11 later devices descend from it, 1 citing it directly. 2 of the 12 devices in this family, counting this one, have a Class I recall.

Descendants, by year cleared 1997: 1 descendant cleared2012: 1 descendant cleared2009: 1 descendant cleared2011: 2 descendants cleared, 1 with a Class I recall12018: 2 descendants cleared2013: 1 descendant cleared2014: 1 descendant cleared, 1 with a Class I recall12020: 1 descendant cleared2021: 1 descendant cleared1990200020102020
  1. This deviceK854357 Gem-6, with ComponentsDiamond Electro-Tech, Inc. · 1986
  2. Descendant · cites it directly · 10 of its ownK972962 3M Cdi Blood Parameter Monitoring System 5003M Company · 1997 · Recalled
  3. Descendant · 2 generations on · 4 of its ownK110957 M4 MonitorSpectrum Medical, Llp · 2011
  4. Descendant · 3 generations on · 3 of its ownK173591 Quantum Diagnostic Module, Quantum Diagnostic Module - No GasSpectrum Medical, Ltd. · 2018
  5. Descendant · 2 generations on · 3 of its ownK090147 Blood Monitoring Unit, Model Bmu 40Maquet Cardiopulmonary, AG · 2009 · Recalled
  6. Descendant · 4 generations on · 2 of its ownK181942 Quantum Ventilation ModuleSpectrum Medical, Ltd. · 2018

Showing 5 of 11 descendants. See all descendants

Descendants cleared per year

1997: 12009: 12011: 22012: 12013: 12014: 12018: 22020: 12021: 1
1997high 2 (2011) · low 0 (1998)2026

Class I recalls in this family

Most influential descendants

Showing 5 of 11 · See all
  • K9729623M Cdi Blood Parameter Monitoring System 5003M Company · 1997 · cites it directly10descendants
  • K110957M4 MonitorSpectrum Medical, Llp · 2011 · 2 generations on4descendants
  • K173591Quantum Diagnostic Module, Quantum Diagnostic Module - No GasSpectrum Medical, Ltd. · 2018 · 3 generations on3descendants
  • K090147Blood Monitoring Unit, Model Bmu 40Maquet Cardiopulmonary, AG · 2009 · 2 generations on3descendants
  • K181942Quantum Ventilation ModuleSpectrum Medical, Ltd. · 2018 · 4 generations on2descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K854357Gem-6, with ComponentsDiamond Electro-Tech, Inc.1986—
+1K9729623M Cdi Blood Parameter Monitoring System 5003M Company199726
+2K110957M4 MonitorSpectrum Medical, Llp2011—
+3K173591Quantum Diagnostic Module, Quantum Diagnostic Module - No GasSpectrum Medical, Ltd.2018—
+2K090147Blood Monitoring Unit, Model Bmu 40Maquet Cardiopulmonary, AG20091
+4K181942Quantum Ventilation ModuleSpectrum Medical, Ltd.2018—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199710
200910
201121
201210
201310
201411
201820
202010
202110
FIG. 1 — Lineage of K854357, 1986–2021Source: 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.

2 devices in this family have a Class I recall. 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 DRY device

  1. #1 K234065 CDI OneView Monitoring Systemscore 5.5 · 2 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? (11)

See all 11

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

NumberDeviceApplicantDecidedDescendants
K9729623M Cdi Blood Parameter Monitoring System 5003M Company199710

Has anything in its family been recalled? (2 Class I)

No FDA recall names this device.

Relatives with a Class I recall

Class I is FDA’s most serious recall class. A recall in the family tree is context for this device, not evidence about it.

  • K102726Cardiohelp SystemMaquet Cardiopulmonary, AG · 2011 · 3 generations on · ◆ in the 2011 descendants bar of FIG. 11 Class I recall
  • K133598Cardiohelp SystemMaquet Cardiopulmonary, AG · 2014 · 4 generations on · ◆ in the 2014 descendants bar of FIG. 11 Class I recall

What does this lineage say?

  • Of its descendants, K972962 (3M Company, 1997) has gone furthest, with 10 descendants of its own.

How does its category compare?

All DRY devices

DRY Monitor, Blood-Gas, On-Line, Cardiopulmonary Bypass: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · DRY

1in 2024

2007: 22009: 22011: 22012: 12014: 22017: 12018: 32020: 12021: 12024: 1
2007high 3 (2018) · low 0 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · DRY

88in 2018

2018: 88 days median
2007high 88 (2018)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · DRY

1in 2020

2008: 12010: 62011: 142012: 52015: 12020: 1
2007high 14 (2011) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · DRY

134in 2025

2008: 12009: 22010: 1,0702011: 2,2682012: 1672013: 1572014: 1562015: 2312016: 2402017: 612018: 1652019: 632020: 352021: 422022: 372023: 412024: 722025: 134
2007high 2,268 (2011) · low 0 (2007)2025

MAUDE reports naming product code DRY, 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
20072—00
20080—11
20092—02
20100—61,070
20112—142,268
20121—5167
20130—0157
20142—0156
20150—1231
20160—0240
20171—061
20183880165
20190—063
20201—135
20211—042
20220—037
20230—041
20241—072
20250—0134
20260—0—
Cite this page

510(k) Report. “K854357: Gem-6, with Components.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K854357

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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