510(k) Report

510(k) · Cleared

Cleared

Active-V Total Knee System; World Total Knee System

K253239510(k) TraditionalCleared Dec 23, 202585-day reviewClass II21 CFR 888.3565

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

Signature Orthopaedics Pty, Ltd. · MBH Prosthesis, Knee, Patello/Femorotibial, Semi-Constrained, Uncemented, Porous, Coated, Polymer/Metal/Polymer

Cleared on Dec 23, 2025 as substantially equivalent to K181530 (Signature Orthopaedics Pty, Ltd., 2018) and 3 other predicates after an 85-day review. Its family tree reaches back 8 generations to 1981.

Decided
Dec 23, 2025
Review
85 days
Class
Class II
Product code
MBH
Recalls
None
Predicates
4

Its longest line of descent runs back 8 generations to K810258 (1981). 55 ancestors in all. No later device cites it as a predicate yet.

Other ancestors, by year cleared 2022: 2 other ancestors2018: 2 other ancestors2019: 1 other ancestor2017: 1 other ancestor2016: 1 other ancestor2006: 2 other ancestors2005: 1 other ancestor2004: 3 other ancestors2003: 5 other ancestors2002: 3 other ancestors2000: 2 other ancestors1998: 2 other ancestors1996: 2 other ancestors1995: 6 other ancestors1993: 2 other ancestors1992: 3 other ancestors1991: 1 other ancestor1984: 1 other ancestor1997: 3 other ancestors1989: 1 other ancestor1986: 1 other ancestor1994: 2 other ancestorsReference device: K243680 · Neurovascular Insight V1.0 · Olea Medical S.A.S. · 2025K810258 · Proximal Fermoral Hip Replacement · Biomet, Inc. · 1981K974558 · Salvage/Onocology Hip and Total Femur System · Biomet, Inc. · 1998K032396 · Ringloc 36MM Line and Modular Femoral Heads · Biomet, Inc. · 2003 · recalledK050327 · E-Poly (Vitamin E) Acetabular Liners · Biomet, Inc. · 2005K070364 · 100KGY E-Poly Maxrom Acetabular Liners · Biomet, Inc. · 2007K080528 · E-Poly Tibial Bearings · Biomet Orthopedics, Inc. · 2008K113550 · Vanguard Complete Knee System · Biomet Manufacturing Corp · 2012 · recalledK222380 · TriVerse Total Knee Replacement System · Signature Orthopaedics Pty, Ltd. · 202219801990200020102020
  1. Root · 8 generations backK810258 Proximal Fermoral Hip ReplacementBiomet, Inc. · 1981
  2. 7 generations backK974558 Salvage/Onocology Hip and Total Femur SystemBiomet, Inc. · 1998
  3. 6 generations backK032396 Ringloc 36MM Line and Modular Femoral HeadsBiomet, Inc. · 2003 · Recalled
  4. 5 generations backK050327 E-Poly (Vitamin E) Acetabular LinersBiomet, Inc. · 2005
  5. 4 generations backK070364 100KGY E-Poly Maxrom Acetabular LinersBiomet, Inc. · 2007
  6. 3 generations backK080528 E-Poly Tibial BearingsBiomet Orthopedics, Inc. · 2008
  7. 2 generations backK113550 Vanguard Complete Knee SystemBiomet Manufacturing Corp · 2012 · Recalled
  8. 1 generation backK222380 TriVerse Total Knee Replacement SystemSignature Orthopaedics Pty, Ltd. · 2022
  9. This deviceK253239 Active-V Total Knee System; World Total Knee SystemSignature Orthopaedics Pty, Ltd. · 2025
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−8K810258Proximal Fermoral Hip ReplacementBiomet, Inc.1981—
−7K974558Salvage/Onocology Hip and Total Femur SystemBiomet, Inc.1998—
−6K032396Ringloc 36MM Line and Modular Femoral HeadsBiomet, Inc.20033
−5K050327E-Poly (Vitamin E) Acetabular LinersBiomet, Inc.2005—
−4K070364100KGY E-Poly Maxrom Acetabular LinersBiomet, Inc.2007—
−3K080528E-Poly Tibial BearingsBiomet Orthopedics, Inc.2008—
−2K113550Vanguard Complete Knee SystemBiomet Manufacturing Corp20127
−1K222380TriVerse Total Knee Replacement SystemSignature Orthopaedics Pty, Ltd.2022—
0 (this device)K253239Active-V Total Knee System; World Total Knee SystemSignature Orthopaedics Pty, Ltd.2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198410
198610
198910
199110
199230
199320
199420
199560
199620
199730
199820
200020
200230
200350
200430
200510
200620
201610
201710
201820
201910
202220
FIG. 1 — Lineage of K253239, 1981–2025Source: 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 MBH? 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 MBH device

  1. #1 K241597 Freedom® Total Knee System - Porous Tibial…score 20.0 · 8 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? (4)

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
*K181530World Total Knee System
Summary page 5
…Total Knee System Primary Predicate  Signature Orthopaedics, World Total Knee System (K181530) Additional Predicates  Signature Orthopaedics, World Total Knee System…
Signature Orthopaedics Pty, Ltd.2018—
*K223062World Total Knee System
Summary page 5
…(K181530) Additional Predicates  Signature Orthopaedics, World Total Knee System (K223062)  Signature Orthopaedics, Triverse Total Knee System (K222380) ===…
Signature Orthopaedics Pty, Ltd.2022—
*K222380TriVerse Total Knee Replacement System
Summary page 5
…l Knee System (K223062)  Signature Orthopaedics, Triverse Total Knee System (K222380) K253239 - Page 2 of 4 Referenc…
Signature Orthopaedics Pty, Ltd.2022—
*K220737World Knee Vit-E All-poly Tibial Inserts (CR, PS and UC), World Knee Vit-E Meniscal…
Summary page 6
…(K181530) Additional Predicates  Signature Orthopaedics, World Total Knee System (K220737, K223062) Reference Device  Signature Orthopaedics, Rx Knee System…
Signature Orthopaedics Pty, Ltd.2022—
†K243680Neurovascular Insight V1.0Olea Medical S.A.S.2025—

Also cleared against K181530: 4 other devices →

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 44 years and passes through 4 companies; a new generation was cleared every 3.7 years on median.
  • 17 of the 55 ancestors have a recall of any class.
  • 4 other devices also cite its predicate K181530.

How does its category compare?

All MBH devices

MBH Prosthesis, Knee, Patello/Femorotibial, Semi-Constrained, Uncemented, Porous, Coated, Polymer/Metal/Polymer: FDA decisions, review times, recalls and adverse event reports over 20 years. 2025, this device’s year, is highlighted.

FDA decisions per year · MBH

8in 2025

2007: 102008: 32009: 32010: 42011: 52012: 52013: 62014: 92015: 82016: 42017: 42018: 62019: 12020: 72021: 62022: 72023: 62024: 102025: 82026 (partial year): 7
2007high 10 (2007) · low 1 (2019)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · MBH

98in 2025

2007: 59 days median2008: 70 days median2009: 209 days median2010: 84 days median2011: 84 days median2012: 90 days median2013: 138 days median2014: 114 days median2015: 100 days median2016: 74 days median2017: 115 days median2018: 89 days median2020: 112 days median2021: 48 days median2022: 57 days median2023: 94 days median2024: 84 days median2025: 98 days median2026 (partial year): 153 days median
2007high 209 (2009) · low 48 (2021)2026

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

Recalls per year · MBH

1in 2024

2009: 22011: 152012: 1, 1 Class I2013: 4, 4 Class I2016: 12017: 92018: 12019: 12020: 22023: 22024: 12026 (partial year): 4
2007high 15 (2011) · low 0 (2007)2026

Class I (5 since 2007) Class II/III not classified

Adverse event reports per year · MBH

1,561in 2025

2007: 272008: 212009: 892010: 1212011: 2472012: 3702013: 3082014: 3852015: 9552016: 1,0342017: 1,0072018: 1,1912019: 1,3942020: 1,0892021: 1,5392022: 1,2612023: 1,2632024: 1,4972025: 1,561
2007high 1,561 (2025) · low 21 (2008)2025

MAUDE reports naming product code MBH, 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
20071059027
2008370021
20093209289
20104840121
201158415247
20125901 (1)370
201361384 (4)308
201491140385
201581000955
201647411,034
2017411591,007
201868911,191
20191—11,394
2020711221,089
202164801,539
202275701,261
202369421,263
2024108411,497
202589801,561
202671534—

What is it indicated for?

The patient should be skeletally mature to receive a knee replacement. Patients should have adequate bone stock and size to support and accept the prosthesis. The patient's needs for knee replacement should be due to one or more of the following conditions: Non-inflammatory degenerative joint disease including osteoarthritis, traumatic arthritis or avascular necrosis Inflammatory degenerative joint disease including rheumatoid arthritis Functional…

Read the full statement (99 words)

The patient should be skeletally mature to receive a knee replacement. Patients should have adequate bone stock and size to support and accept the prosthesis.

The patient's needs for knee replacement should be due to one or more of the following conditions:

Non-inflammatory degenerative joint disease including osteoarthritis, traumatic arthritis or avascular necrosis

Inflammatory degenerative joint disease including rheumatoid arthritis

Functional deformity such as varus, valgus or flexion deformities

Revision procedures where other treatments or device have failed

Fractures that are unmanageable using other techniques

Signature Orthopaedics' Active-V/World Total Knee components may be intended for cemented and cementless use.

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. “K253239: Active-V Total Knee System; World Total Knee System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 3, 2026. https://510kreport.com/device/K253239

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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