510(k) Report

510(k) · Cleared

Cleared

TransForm McCarthy Mitral Annuloplasty Ring (TF)

K232599510(k) TraditionalCleared Apr 9, 2024225-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 Apr 9, 2024 as substantially equivalent to K161815 (Genesee Biomedical, Inc., 2016) and 1 other predicate after a 225-day review. Its family tree reaches back 2 generations to 1992. 1 later device descends from it.

Decided
Apr 9, 2024
Review
225 days
Class
Class II
Product code
KRH
Recalls
None
Predicates
2

Its longest line of descent runs back 2 generations to K905175 (1992). 3 ancestors in all. 1 later device descends from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2016: 1 other ancestor2025: 1 descendant clearedK905175 · Pti Annuloplasty Ring (Sterile) · Pioneering Technologies, Inc. · 1992K072655 · Ats Simulus Semi-Rigid Mitral Annuloplasty Ring, Model 800SR · Genesee Biomedical, Inc. · 20071990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor 1 generation forward: 1 descendant K072655 · Ats Simulus Semi-Rigid Mitral Annuloplasty Ring, Model 800SR · Genesee Biomedical, Inc. · 2007K905175 · Pti Annuloplasty Ring (Sterile) · Pioneering Technologies, Inc. · 19920
  1. Root · 2 generations backK905175 Pti Annuloplasty Ring (Sterile)Pioneering Technologies, Inc. · 1992
  2. 1 generation backK072655 Ats Simulus Semi-Rigid Mitral Annuloplasty Ring, Model 800SRGenesee Biomedical, Inc. · 2007
  3. This deviceK232599 TransForm McCarthy Mitral Annuloplasty Ring (TF)Genesee Biomedical, Inc. · 2024
  4. Descendant · cites it directly · 0 of its ownK250859 TransForm McCarthy Mitral Annuloplasty Ring (TF)Genesee Biomedical, Inc. · 2025

Most influential descendants

Showing 1 of 1 · See all
  • K250859TransForm McCarthy Mitral Annuloplasty Ring (TF)Genesee Biomedical, Inc. · 2025 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K905175Pti Annuloplasty Ring (Sterile)Pioneering Technologies, Inc.1992—
−1K072655Ats Simulus Semi-Rigid Mitral Annuloplasty Ring, Model 800SRGenesee Biomedical, Inc.2007—
0 (this device)K232599TransForm McCarthy Mitral Annuloplasty Ring (TF)Genesee Biomedical, Inc.2024—
+1K250859TransForm McCarthy Mitral Annuloplasty Ring (TF)Genesee Biomedical, Inc.2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
201610

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202510
FIG. 1 — Lineage of K232599, 1992–2025Source: 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
*K161815FlexForm Annuloplasty Ring and FlexForm Annuloplasty Band
Summary page 4
…ber 870.3800 Product Code KRH I Legally Marketed Predicate Devices 21 CFR 807.92(a)(3) Predicate # Predicate Trade Name (Primary Predicate is listed first) Product Code K161815 FlexForm Annuloplasty Ring and FlexForm Annuloplasty Band KRH K072655 ATS SIMULUS SEMI-RIGID MITRAL ANNULOPLASTY RING, M | KRH De…
Genesee Biomedical, Inc.2016—
*K072655Ats Simulus Semi-Rigid Mitral Annuloplasty Ring, Model 800SR
Summary page 4
…CFR 807.92(a)(3) Predicate # Predicate Trade Name (Primary Predicate is listed first) Product Code K161815 FlexForm Annuloplasty Ring and FlexForm Annuloplasty Band KRH K072655 ATS SIMULUS SEMI-RIGID MITRAL ANNULOPLASTY RING, M | KRH Device Description Summary 21 CFR 807.92(a)(4) The TransForm™ McCarthy…
Genesee Biomedical, Inc.2007—

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K250859TransForm McCarthy Mitral Annuloplasty Ring (TF)Genesee Biomedical, Inc.20250

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 32 years and passes through 2 companies; a new generation was cleared every 16.5 years on median.
  • None of the 3 ancestors has a recall.
  • Of its descendants, K250859 (Genesee Biomedical, Inc., 2025) has gone furthest, with 0 descendants 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. 2024, 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?

TransForm McCarthy Mitral Annuloplasty Ring is indicated for use in patients undergoing surgery for diseased or damaged mitral valves. The ring provides support for and restricts expansion of the mitral annulus.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K232599: TransForm McCarthy Mitral Annuloplasty Ring (TF).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K232599

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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