510(k) Report

510(k) · Cleared

Recalled · Class II · 2021

Univation

K131167510(k) TraditionalCleared Oct 17, 2013176-day reviewClass II21 CFR 888.3530Recalls 8

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

Aesculap Implant Systems, LLC · HRY Prosthesis, Knee, Femorotibial, Semi-Constrained, Cemented, Metal/Polymer

Cleared on Oct 17, 2013 as substantially equivalent to K081293 (Aesculap Implant Systems, Inc., 2008) after a 176-day review. Its family tree reaches back 6 generations to 1992. It has been recalled 8 times.

Decided
Oct 17, 2013
Review
176 days
Class
Class II
Product code
HRY
Recalls
8
Predicates
1

Its longest line of descent runs back 6 generations to K915192 (1992). 26 ancestors in all, the oldest K853661 (1985). No later device cites it as a predicate yet.

Other ancestors, by year cleared 2007: 1 other ancestor2001: 2 other ancestors1995: 1 other ancestor1988: 1 other ancestor2003: 2 other ancestors2002: 1 other ancestor1996: 3 other ancestors1985: 1 other ancestor2000: 1 other ancestor1998: 2 other ancestors1997: 1 other ancestor1994: 1 other ancestor1991: 1 other ancestor1993: 1 other ancestor1992: 1 other ancestorK915192 · 7000 Series Modular Tibial Components · Osteonics Corp. · 1992K994128 · Scorpio Total Stablizer (TS) Total Knee System · Howmedica Osteonics Corp. · 2000 · recalled×2: 2 generations cleared close together, K021313 (2002), K022672 (2002) K071220 · Columbus Total Knee System as · Aesculap Implant Systems, Inc. · 2007 · recalledK081293 · Univation Unicondylar Knee System · Aesculap Implant Systems, Inc. · 2008 · recalled1985199019952000200520102015
  1. Root · 6 generations backK915192 7000 Series Modular Tibial ComponentsOsteonics Corp. · 1992
  2. 5 generations backK994128 Scorpio Total Stablizer (TS) Total Knee SystemHowmedica Osteonics Corp. · 2000 · Recalled
  3. 4 generations backK021313 Search Evolution Total Knee SystemAesculap, Inc. · 2002
  4. 3 generations backK022672 Columbus Total Knee System (CR)Aesculap, Inc. · 2002 · Recalled
  5. 2 generations backK071220 Columbus Total Knee System asAesculap Implant Systems, Inc. · 2007 · Recalled
  6. 1 generation backK081293 Univation Unicondylar Knee SystemAesculap Implant Systems, Inc. · 2008 · Recalled
  7. This deviceK131167 UnivationAesculap Implant Systems, LLC · 2013
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−6K9151927000 Series Modular Tibial ComponentsOsteonics Corp.1992—
−5K994128Scorpio Total Stablizer (TS) Total Knee SystemHowmedica Osteonics Corp.20008
−4K021313Search Evolution Total Knee SystemAesculap, Inc.2002—
−3K022672Columbus Total Knee System (CR)Aesculap, Inc.20021
−2K071220Columbus Total Knee System asAesculap Implant Systems, Inc.20071
−1K081293Univation Unicondylar Knee SystemAesculap Implant Systems, Inc.20088
0 (this device)K131167UnivationAesculap Implant Systems, LLC2013—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198510
198810
199110
199210
199310
199410
199510
199630
199710
199820
200010
200120
200210
200320
200710
FIG. 1 — Lineage of K131167, 1992–2013Source: 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 HRY? 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 HRY device

  1. #1 K193549 SIGMA High Performance (HP) Partial Knee Systemscore 0.4 · 5 generations · no Class I recall
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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
*K081293Univation Unicondylar Knee System
Summary page 1
…lap Implant Systems®, LLC. UNIVATION® Unicompartmental Knee System is substantially equivalent to the original UNIVATION® Unicompartmental Knee System cleared in 510O(K) K081293. The indications for use are equivalent to the predicate. DEVICE DESCRIPTION The UNIVATION® Unicompartmental Knee System is a pro…
Aesculap Implant Systems, Inc.20088

What descends from it?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (0 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Mar 19, 2021Class IIZ-2510-2021Unknown/Undetermined by firmMalfunction- loosening of the implant resulting in a potential revision surgery
Mar 19, 2021Class IIZ-2512-2021Unknown/Undetermined by firmMalfunction- loosening of the implant resulting in a potential revision surgery
Mar 19, 2021Class IIZ-2514-2021Unknown/Undetermined by firmMalfunction- loosening of the implant resulting in a potential revision surgery
Mar 19, 2021Class IIZ-2516-2021Unknown/Undetermined by firmMalfunction- loosening of the implant resulting in a potential revision surgery
Mar 19, 2021Class IIZ-2509-2021Unknown/Undetermined by firmMalfunction- loosening of the implant resulting in a potential revision surgery
Mar 19, 2021Class IIZ-2511-2021Unknown/Undetermined by firmMalfunction- loosening of the implant resulting in a potential revision surgery
Mar 19, 2021Class IIZ-2515-2021Unknown/Undetermined by firmMalfunction- loosening of the implant resulting in a potential revision surgery
Mar 19, 2021Class IIZ-2513-2021Unknown/Undetermined by firmMalfunction- loosening of the implant resulting in a potential revision surgery

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 21 years and passes through 5 companies; a new generation was cleared every 4.6 years on median.
  • 14 of the 26 ancestors have a recall of any class.

How does its category compare?

All HRY devices

HRY Prosthesis, Knee, Femorotibial, Semi-Constrained, Cemented, Metal/Polymer: FDA decisions, review times, recalls and adverse event reports over 20 years. 2013, this device’s year, is highlighted.

FDA decisions per year · HRY

1in 2020

2007: 32008: 32010: 12011: 12012: 12013: 12014: 12015: 12016: 12019: 12020: 1
2007high 3 (2007) · low 0 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · HRY

138in 2008

2007: 92 days median2008: 138 days median
2007high 138 (2008) · low 92 (2007)2026

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

Recalls per year · HRY

3in 2022

2007: 12008: 12011: 12013: 12016: 12020: 12021: 12022: 3
2007high 3 (2022) · low 0 (2009)2026

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

Adverse event reports per year · HRY

290in 2025

2007: 2632008: 2852009: 2492010: 1802011: 1552012: 1372013: 3832014: 3052015: 3452016: 3432017: 4022018: 6132019: 3672020: 1,0542021: 1,2182022: 8402023: 3962024: 4302025: 290
2007high 1,218 (2021) · low 137 (2012)2025

MAUDE reports naming product code HRY, 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
20073921263
200831381285
20090—0249
20101—0180
20111—1155
20121—0137
20131—1383
20141—0305
20151—0345
20161—1343
20170—0402
20180—0613
20191—0367
20201—11,054
20210—11,218
20220—3840
20230—0396
20240—0430
20250—0290
20260—0—

What is it indicated for?

The UNIVATION® Unicompartmental Knee System is indicated for cemented use only in patients undergoing surgery for a severely painful and/or disabled joint damaged as a result of osteoarthritis, traumatic arthritis, or a failed previous implant when only one condyle of the knee (medial) is affected.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K131167: Univation.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K131167

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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