510(k) Report

510(k) · Cleared

Cleared

Ats Simulus Adjustable Flexible Annuloplasty, Model 735 AC

K090428510(k) SpecialCleared May 7, 200977-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 May 7, 2009 after a 77-day review. The FDA summary names its predicate without a number.

Decided
May 7, 2009
Review
77 days
Class
Class II
Product code
KRH
Recalls
None
Predicates
0

The FDA summary names its predicate without a number.

FIG. 1 — Lineage of K090428Source: FDA 510(k) database · 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
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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
*—Genesee Biomedical Inc.'s SIMULUS® Adjustable Flexible Annuloplasty Ring Model 735AF
Named without a submission number
—

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.

How does its category compare?

All KRH devices

KRH Ring, Annuloplasty: FDA decisions, review times, recalls and adverse event reports over 20 years. 2009, 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 ATS SIMULUS® Adjustable Flexible Annuloplasty Bands Model 735AC are for use in those 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 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. “K090428: Ats Simulus Adjustable Flexible Annuloplasty, Model 735 AC.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K090428

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