510(k) Report

510(k) · Cleared

Cleared

FlexForm Annuloplasty Ring and FlexForm Annuloplasty Band

K161815510(k) TraditionalCleared Oct 12, 2016103-day reviewClass II21 CFR 870.3800

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

Genesee Biomedical, Inc. · KRH Ring, Annuloplasty

Cleared on Oct 12, 2016 after a 103-day review. The FDA summary names its predicate without a number. 2 later devices descend from it.

Decided
Oct 12, 2016
Review
103 days
Class
Class II
Product code
KRH
Recalls
None
Predicates
0

2 later devices descend from it, 1 citing it directly.

Descendants, by year cleared 2024: 1 descendant cleared2025: 1 descendant cleared201620182020202220242026
  1. This deviceK161815 FlexForm Annuloplasty Ring and FlexForm Annuloplasty BandGenesee Biomedical, Inc. · 2016
  2. Descendant · cites it directly · 1 of its ownK232599 TransForm McCarthy Mitral Annuloplasty Ring (TF)Genesee Biomedical, Inc. · 2024
  3. Descendant · 2 generations on · 0 of its ownK250859 TransForm McCarthy Mitral Annuloplasty Ring (TF)Genesee Biomedical, Inc. · 2025

Most influential descendants

Showing 2 of 2 · See all
  • K232599TransForm McCarthy Mitral Annuloplasty Ring (TF)Genesee Biomedical, Inc. · 2024 · cites it directly1descendant
  • K250859TransForm McCarthy Mitral Annuloplasty Ring (TF)Genesee Biomedical, Inc. · 2025 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K161815FlexForm Annuloplasty Ring and FlexForm Annuloplasty BandGenesee Biomedical, Inc.2016—
+1K232599TransForm McCarthy Mitral Annuloplasty Ring (TF)Genesee Biomedical, Inc.2024—
+2K250859TransForm McCarthy Mitral Annuloplasty Ring (TF)Genesee Biomedical, Inc.2025—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202410
202510
FIG. 1 — Lineage of K161815, 2016–2025Source: 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 KRH? 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 KRH device

  1. #1 K261707 MEMO 4D Curve™ Semirigid mitral annuloplasty…score 12.7 · 5 generations · 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? (2)

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
*—ATS Simulus Annuloplasty Ring Model 700FF
Named without a submission number
—
*—ATS Simulus FC Annuloplasty Ring Model 700FC
Named without a submission number
—

What descends from it? (2)

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

NumberDeviceApplicantDecidedDescendants
K232599TransForm McCarthy Mitral Annuloplasty Ring (TF)Genesee Biomedical, Inc.20241

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, K232599 (Genesee Biomedical, Inc., 2024) has gone furthest, with 1 descendant of its own.

How does its category compare?

All KRH devices

KRH Ring, Annuloplasty: FDA decisions, review times, recalls and adverse event reports over 20 years. 2016, this device’s year, is highlighted.

FDA decisions per year · KRH

4in 2025

2007: 42008: 22009: 82010: 22011: 22014: 12016: 12018: 22019: 22020: 22023: 22024: 12025: 42026 (partial year): 2
2007high 8 (2009) · low 0 (2012)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · KRH

98in 2025

2007: 90 days median2009: 68 days median2025: 98 days median
2007high 98 (2025) · low 68 (2009)2026

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

Recalls per year · KRH

No recall names KRH since 2007.

Adverse event reports per year · KRH

420in 2025

2007: 2612008: 1,2882009: 9732010: 6302011: 3212012: 902013: 972014: 732015: 1452016: 3472017: 3792018: 3782019: 3492020: 3402021: 4232022: 3722023: 3242024: 4072025: 420
2007high 1,288 (2008) · low 73 (2014)2025

MAUDE reports naming product code KRH, 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
20074900261
20082—01,288
20098680973
20102—0630
20112—0321
20120—090
20130—097
20141—073
20150—0145
20161—0347
20170—0379
20182—0378
20192—0349
20202—0340
20210—0423
20220—0372
20232—0324
20241—0407
20254980420
20262—0—

What is it indicated for?

The FlexForm™ Annuloplasty Ring and FlexForm™ Annuloplasty Band are indicated for use in patients undergoing

surgery of diseased or damaged mitral or tricuspid valves in whom the surgeon determines that the valve can be preserved

by employing the appropriate surgical repair. The annuloplasty rings and bands provide support for the mitral or tricuspid

annulus and restrict expansion of the annulus.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K161815: FlexForm Annuloplasty Ring and FlexForm Annuloplasty Band.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K161815

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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