510(k) Report

510(k) · Cleared

Recalled · Class II · 2026

Scorpio Total Knee System

K033972510(k) TraditionalCleared Apr 12, 2004112-day reviewClass II21 CFR 888.3565Recalls 2

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

Howmedica Osteonics Corp. · MBH Prosthesis, Knee, Patello/Femorotibial, Semi-Constrained, Uncemented, Porous, Coated, Polymer/Metal/Polymer

Cleared on Apr 12, 2004 after a 112-day review. The FDA summary names its predicate without a number. It has been recalled 2 times.

Decided
Apr 12, 2004
Review
112 days
Class
Class II
Product code
MBH
Recalls
2
Predicates
0

The FDA summary names its predicate without a number.

FIG. 1 — Lineage of K033972Source: FDA 510(k) database · How lineage is built

Get the monthly Device Review Tracker

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? (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
*—Scorpio® Total Knee System
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)

Recalls of this device

DateClassRecallRoot causeReason
Jul 30, 2026Class IIZ-3203-2026Process change controlAffected devices were manufactured with Ultra High Molecular Weight Polyethylene (UHMWPE) raw material aged in excess of five years. Product has the potential for elevated levels of oxidation, which may result in increased wear, leading…
Aug 1, 2016Class IIZ-2789-2016Nonconforming Material/ComponentUpon failure of the press-fit, the clamping sub components and pins could disassociate from the Scorpio Patella Assembly Instrument.

No ancestor or descendant has a Class I recall.

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.

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 Scorpio® Total Knee System components included in this submission are intended for use in total knee arthroplasty to relieve pain and restore knee functions for indications such as: Painful, disabling joint disease of the knee resulting from degenerative arthritis, rheumatoid arthritis or post-traumatic arthritis Post-traumatic loss of knee joint configuration and function Moderate varus, valgus or flexion deformity in which the ligamentous…

Read the full statement (121 words)

The Scorpio® Total Knee System components included in this submission are intended for use in total knee arthroplasty to relieve pain and restore knee functions for indications such as:

Painful, disabling joint disease of the knee resulting from degenerative arthritis, rheumatoid arthritis or post-traumatic arthritis

Post-traumatic loss of knee joint configuration and function

Moderate varus, valgus or flexion deformity in which the ligamentous structures can be returned to adequate function and stability;

Revision of previous unsuccessful knee replacement or other procedure;

Additional indications for the posterior stabilized components include:

Ligamentous instability requiring implant bearing surface geometries with increased constraint

Absent or non-functioning posterior cruciate ligament

These components are single use only and are intended for implantation with and without bone cement.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K033972: Scorpio Total Knee System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K033972

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

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