510(k) Report

510(k) · Cleared

Cleared

Rmi Hemoconcentractor Tubing Set

K961927510(k) TraditionalCleared Aug 13, 199688-day reviewClass II21 CFR 870.4210

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

Research Medical, Inc. · DWF Catheter, Cannula And Tubing, Vascular, Cardiopulmonary Bypass

Cleared on Aug 13, 1996 after an 88-day review. The FDA summary names no predicate by number. 1 later device descends from it.

Decided
Aug 13, 1996
Review
88 days
Class
Class II
Product code
DWF
Recalls
None
Predicates
0

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

Descendants, by year cleared 1997: 1 descendant cleared1995200020052010201520202025
  1. This deviceK961927 Rmi Hemoconcentractor Tubing SetResearch Medical, Inc. · 1996
  2. Descendant · cites it directly · 0 of its ownK970739 Rmi Hemoconcentrator Preference PackResearch Medical, Inc. · 1997

Most influential descendants

Showing 1 of 1 · See all
  • K970739Rmi Hemoconcentrator Preference PackResearch Medical, Inc. · 1997 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K961927Rmi Hemoconcentractor Tubing SetResearch Medical, Inc.1996—
+1K970739Rmi Hemoconcentrator Preference PackResearch Medical, Inc.1997—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199710
FIG. 1 — Lineage of K961927, 1996–1997Source: 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), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in DWF? 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 DWF device

  1. #1 K251258 MC2™ Two-Stage Venous Cannula; MC2X™…score 14.6 · 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?

The FDA summary names no predicate by number.

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K970739Rmi Hemoconcentrator Preference PackResearch Medical, Inc.19970

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, K970739 (Research Medical, Inc., 1997) has gone furthest, with 0 descendants of its own.

How does its category compare?

All DWF devices

DWF Catheter, Cannula And Tubing, Vascular, Cardiopulmonary Bypass: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · DWF

4in 2025

2007: 22008: 62009: 82010: 32011: 52012: 102013: 92014: 142015: 92016: 32017: 52018: 52019: 32020: 32021: 52022: 22023: 22024: 32025: 42026 (partial year): 8
2007high 14 (2014) · low 2 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · DWF

89in 2025

2008: 95 days median2009: 148 days median2010: 62 days median2011: 85 days median2012: 110 days median2013: 110 days median2014: 110 days median2015: 46 days median2016: 32 days median2017: 127 days median2018: 30 days median2019: 120 days median2020: 30 days median2021: 358 days median2024: 29 days median2025: 89 days median2026 (partial year): 81 days median
2007high 358 (2021) · low 29 (2024)2026

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

Recalls per year · DWF

4in 2024

2007: 252008: 252009: 212010: 262011: 132012: 372013: 14, 1 Class I2014: 62015: 3, 1 Class I2016: 32017: 2, 1 Class I2018: 102019: 22021: 32024: 42026 (partial year): 20
2007high 37 (2012) · low 0 (2020)2026

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

Adverse event reports per year · DWF

1,020in 2025

2007: 1212008: 1262009: 992010: 1972011: 2122012: 2332013: 2382014: 3252015: 2182016: 1442017: 1012018: 1182019: 1792020: 1422021: 1622022: 2762023: 4702024: 4012025: 1,020
2007high 1,020 (2025) · low 99 (2009)2025

MAUDE reports naming product code DWF, 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—25121
200869525126
200981482199
201036226197
201158513212
20121011037233
2013911014 (1)238
2014141106325
20159463 (1)218
20163323144
201751272 (1)101
201853010118
201931202179
20203300142
202153583162
20222—0276
20232—0470
20243294401
202548901,020
202688120—
Cite this page

510(k) Report. “K961927: Rmi Hemoconcentractor Tubing Set.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K961927

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026