510(k) Report

510(k) · Cleared

Cleared

Marinr Series EP Diagnostic Catheters

K931794510(k) TraditionalCleared Jun 6, 1994420-day reviewClass II21 CFR 870.1220

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

Medtronic Cardiorhythm · DRF Catheter, Electrode Recording, Or Probe, Electrode Recording

Cleared on Jun 6, 1994 after a 420-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 8 of the 131 devices in its family, counting itself, have a Class I recall. 130 later devices descend from it.

Decided
Jun 6, 1994
Review
420 days
Class
Class II
Product code
DRF
Recalls
None
Predicates
0

130 later devices descend from it, 7 citing it directly. 8 of the 131 devices in this family, counting this one, have a Class I recall.

Descendants, by year cleared 2019: 7 descendants cleared2002: 3 descendants cleared2018: 4 descendants cleared, 1 with a Class I recall12003: 6 descendants cleared1999: 2 descendants cleared2005: 7 descendants cleared2004: 5 descendants cleared, 2 with a Class I recall22008: 4 descendants cleared2006: 9 descendants cleared, 1 with a Class I recall12021: 4 descendants cleared, 1 with a Class I recall12007: 3 descendants cleared2020: 6 descendants cleared2009: 5 descendants cleared2010: 5 descendants cleared2011: 5 descendants cleared2017: 3 descendants cleared2013: 2 descendants cleared2012: 8 descendants cleared, 1 with a Class I recall12026: 9 descendants cleared2024: 7 descendants cleared, 1 with a Class I recall12016: 6 descendants cleared2015: 3 descendants cleared2023: 6 descendants cleared2025: 7 descendants cleared2022: 2 descendants cleared, 1 with a Class I recall12014: 2 descendants cleared1990200020102020
  1. This deviceK931794 Marinr Series EP Diagnostic CathetersMedtronic Cardiorhythm · 1994
  2. Descendant · cites it directly · 119 of its ownK974683 Naviport Deflectable Tip Guiding CatheterCardima, Inc. · 1999
  3. Descendant · cites it directly · 80 of its ownK013517 10600 Deflectable Catheter System, Model 10600Medtronic Vascular · 2002
  4. Descendant · 2 generations on · 37 of its ownK032312 Attain 6226DEF Deflectable Catheter Delivery SystemMedtronic Vascular · 2003
  5. Descendant · 2 generations on · 37 of its ownK012749 Biocardia Universal Deflectable Guide Catheter, Model 000664Biocardia, Inc. · 2002
  6. Descendant · 2 generations on · 35 of its ownK033989 Medtronic Selectsite Deflectable Catheter System, Models C304-S59…Medtronic Inc. Cardiac Rhythm Management · 2004

Showing 5 of 130 descendants. See all descendants

Descendants cleared per year

1999: 22002: 32003: 62004: 52005: 72006: 92007: 32008: 42009: 52010: 52011: 52012: 82013: 22014: 22015: 32016: 62017: 32018: 42019: 72020: 62021: 42022: 22023: 62024: 72025: 72026: 9
1999high 9 (2006) · low 0 (2000)2026

Class I recalls in this family

Most influential descendants

Showing 5 of 130 · See all
  • K974683Naviport Deflectable Tip Guiding CatheterCardima, Inc. · 1999 · cites it directly119descendants
  • K01351710600 Deflectable Catheter System, Model 10600Medtronic Vascular · 2002 · cites it directly80descendants
  • K032312Attain 6226DEF Deflectable Catheter Delivery SystemMedtronic Vascular · 2003 · 2 generations on37descendants
  • K012749Biocardia Universal Deflectable Guide Catheter, Model 000664Biocardia, Inc. · 2002 · 2 generations on37descendants
  • K033989Medtronic Selectsite Deflectable Catheter System, Models C304-S59 and C304-L69Medtronic Inc. Cardiac Rhythm Management · 2004 · 2 generations on35descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K931794Marinr Series EP Diagnostic CathetersMedtronic Cardiorhythm1994—
+1K974683Naviport Deflectable Tip Guiding CatheterCardima, Inc.1999—
+1K01351710600 Deflectable Catheter System, Model 10600Medtronic Vascular2002—
+2K032312Attain 6226DEF Deflectable Catheter Delivery SystemMedtronic Vascular2003—
+2K012749Biocardia Universal Deflectable Guide Catheter, Model 000664Biocardia, Inc.2002—
+2K033989Medtronic Selectsite Deflectable Catheter System, Models C304-S59 and C304-L69Medtronic Inc. Cardiac Rhythm Management2004—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199920
200230
200360
200452
200570
200691
200730
200840
200950
201050
201150
201281
201320
201420
201530
201660
201730
201841
201970
202060
202141
202221
202360
202471
202570
202690
FIG. 1 — Lineage of K931794, 1994–2026Source: 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.

8 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 DRF device

  1. #1 K252794 Vision-MR™ Diagnostic Catheterscore 13.6 · 1 generation · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

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? (130)

See all 130

7 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K974683Naviport Deflectable Tip Guiding CatheterCardima, Inc.1999119
K01351710600 Deflectable Catheter System, Model 10600Medtronic Vascular200280
K031211Attain Prevail Steerable Catheter Set, Model 6228CTHMedtronic Vascular200329
K012708Electrophysiology CatheterAlliance Medical Corp.20025
K183547Marinr Steerable Intracardiac Electrode Catheter, StableMapr Steerable Intracardiac…Medtronic20191
K181897Reprocessed Marinr Diagnostic EP CatheterInnovative Health, LLC20180
K030279Reprocessed Electrophysiology CatheterAlliance Medical Corp.20030

Has anything in its family been recalled? (8 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.

  • K040922Venture Wire Control CatheterVelocimed, Inc. · 2004 · 3 generations on · ◆ in the 2004 descendants bar of FIG. 11 Class I recall
  • K042910Venture Wire Control Catheter, Model WCCVelocimed, Inc. · 2004 · 4 generations on · ◆ in the 2004 descendants bar of FIG. 11 Class I recall
  • K121611Amplatzer Torqvue FXAga Medical Corporation · 2012 · 4 generations on · ◆ in the 2012 descendants bar of FIG. 11 Class I recall
  • K061843Venture Wire Control Catheter, Model WCCSt Jude Medical · 2006 · 5 generations on · ◆ in the 2006 descendants bar of FIG. 11 Class I recall
  • K180864WATCHMAN TruSeal Access SystemBoston Scientific · 2018 · 5 generations on · ◆ in the 2018 descendants bar of FIG. 15 Class I recalls
  • K212228WATCHMAN FXD Curve Access SystemBoston Scientific Corporation · 2021 · 6 generations on · ◆ in the 2021 descendants bar of FIG. 13 Class I recalls
  • K220340Amplatzer Steerable Delivery SheathAbbott Medical · 2022 · 7 generations on · ◆ in the 2022 descendants bar of FIG. 11 Class I recall
  • K240018WATCHMAN TruSteer Access System (M635TU90050)Boston Scientific Corporation · 2024 · 7 generations on · ◆ in the 2024 descendants bar of FIG. 11 Class I recall

What does this lineage say?

  • Of its descendants, K974683 (Cardima, Inc., 1999) has gone furthest, with 119 descendants of its own.

How does its category compare?

All DRF devices

DRF Catheter, Electrode Recording, Or Probe, Electrode Recording: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · DRF

3in 2025

2007: 22008: 22009: 72010: 52011: 32012: 12013: 22014: 12015: 32016: 82017: 72018: 12019: 102020: 42021: 122022: 82023: 52024: 42025: 32026 (partial year): 2
2007high 12 (2021) · low 1 (2012)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · DRF

45in 2023

2009: 243 days median2010: 65 days median2011: 190 days median2015: 29 days median2016: 175 days median2019: 163 days median2021: 124 days median2022: 283 days median2023: 45 days median
2007high 283 (2022) · low 29 (2015)2026

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

Recalls per year · DRF

1in 2015

2007: 22008: 42011: 62014: 22015: 1
2007high 6 (2011) · low 0 (2009)2026

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

Adverse event reports per year · DRF

508in 2025

2007: 1202008: 1762009: 1222010: 1302011: 2452012: 4022013: 3102014: 3492015: 3272016: 3832017: 4582018: 7232019: 6692020: 6512021: 6252022: 6132023: 6852024: 6232025: 508
2007high 723 (2018) · low 120 (2007)2025

MAUDE reports naming product code DRF, 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—2120
20082—4176
200972430122
20105650130
201131906245
20121—0402
20132—0310
20141—2349
20153291327
201681750383
20177—0458
20181—0723
2019101630669
20204—0651
2021121240625
202282830613
20235450685
20244—0623
20253—0508
20262—0—
Cite this page

510(k) Report. “K931794: Marinr Series EP Diagnostic Catheters.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K931794

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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