510(k) Report

510(k) · Cleared

Cleared

Sphere-9Dx Diagnostic Catheter (AFR-00009)

K233433510(k) TraditionalCleared Aug 7, 2024300-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 · MTD Catheter, Intracardiac Mapping, High-Density Array

Cleared on Aug 7, 2024 as substantially equivalent to K201750 (Biosense Webster, Inc., 2020) after a 300-day review. Its family tree reaches back 7 generations to 1999.

Decided
Aug 7, 2024
Review
300 days
Class
Class II
Product code
MTD
Recalls
None
Predicates
1

Its longest line of descent runs back 7 generations to K983171 (1999). 13 ancestors in all, the oldest K970264 (1997). No later device cites it as a predicate yet.

  1. Root · 7 generations backK983171 Constellation Multiple Electrode Pacing and Recording SystemBoston Scientific Corp · 1999 · Recalled
  2. 6 generations backK992777 Constellation Catheters, Model 8039Boston Scientific Corp · 1999 · Recalled
  3. 5 generations backK021232 Constellation Catheters, Model 8031MBoston Scientific Corp · 2002 · Recalled
  4. 4 generations backK050217 Flower High-Density Mapping Catheter, 4-4-4 MM Electrode Spacing)…Biosense Webster, Inc. · 2005
  5. 3 generations backK120425 Pentaray Nav High-Density Mapping CatheterBiosense Webster, Inc. · 2012 · Recalled
  6. 2 generations backK123837 Pentaray Nav Eco High-Density Mapping CatheterBiosense Webster, Inc. · 2013 · Recalled
  7. 1 generation backK201750 Pentaray Nav eco High-Density Mapping CatheterBiosense Webster, Inc. · 2020
  8. This deviceK233433 Sphere-9Dx Diagnostic Catheter (AFR-00009)Medtronic · 2024
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−7K983171Constellation Multiple Electrode Pacing and Recording SystemBoston Scientific Corp19991
−6K992777Constellation Catheters, Model 8039Boston Scientific Corp19991
−5K021232Constellation Catheters, Model 8031MBoston Scientific Corp20021
−4K050217Flower High-Density Mapping Catheter, 4-4-4 MM Electrode Spacing), (2-6-2 MM…Biosense Webster, Inc.2005—
−3K120425Pentaray Nav High-Density Mapping CatheterBiosense Webster, Inc.20125
−2K123837Pentaray Nav Eco High-Density Mapping CatheterBiosense Webster, Inc.20135
−1K201750Pentaray Nav eco High-Density Mapping CatheterBiosense Webster, Inc.2020—
0 (this device)K233433Sphere-9Dx Diagnostic Catheter (AFR-00009)Medtronic2024—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199710
199810
200020
200120
FIG. 1 — Lineage of K233433, 1999–2024Source: 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 MTD? 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 MTD device

  1. #1 K231312 PENTARAY® NAV ECO High Density Mapping…score 16.5 · 7 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? (1)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*K201750Pentaray Nav eco High-Density Mapping Catheter
Summary page 5
…s II, 21 CFR 870.1220, Cardiovascular Product Code: MTD Predicate Device: PENTARAY Nav eco High Density Mapping Catheter (K201750) Device Description: The Sphere-9Dx Diagnostic catheter (AFR-00009) is a steerable irrigated mul…
Biosense Webster, Inc.2020—

Also cleared against K201750: 1 other device →

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.

What does this lineage say?

  • The line of descent spans 25 years and passes through 3 companies; a new generation was cleared every 2.9 years on median.
  • 8 of the 13 ancestors have a recall of any class.
  • 1 other device also cites its predicate K201750.

How does its category compare?

All MTD devices

MTD Catheter, Intracardiac Mapping, High-Density Array: FDA decisions, review times, recalls and adverse event reports over 20 years. 2024, this device’s year, is highlighted.

FDA decisions per year · MTD

2in 2024

2012: 22013: 22014: 22016: 12017: 22018: 12020: 42021: 12022: 22023: 32024: 22026 (partial year): 2
2007high 4 (2020) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · MTD

66in 2023

2020: 169 days median2023: 66 days median
2007high 169 (2020) · low 66 (2023)2026

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

Recalls per year · MTD

2in 2017

2017: 2
2007high 2 (2017) · low 0 (2007)2026

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

Adverse event reports per year · MTD

385in 2025

2007: 12008: 32009: 62010: 192011: 142012: 172013: 302014: 282015: 362016: 352017: 382018: 492019: 772020: 872021: 992022: 1452023: 1842024: 3782025: 385
2007high 385 (2025) · low 1 (2007)2025

MAUDE reports naming product code MTD, 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—01
20080—03
20090—06
20100—019
20110—014
20122—017
20132—030
20142—028
20150—036
20161—035
20172—238
20181—049
20190—077
20204169087
20211—099
20222—0145
20233660184
20242—0378
20250—0385
20262—0—

What is it indicated for?

The Sphere-9Dx Diagnostic Catheter is indicated for electrophysiological mapping (recording and stimulation) of cardiac structures in the heart. This catheter is intended to obtain electrograms in the atrial regions of the heart. The catheter provides location information when used with a compatible Affera Mapping System.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K233433: Sphere-9Dx Diagnostic Catheter (AFR-00009).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K233433

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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