510(k) · Cleared
ClearedHA Mallory/Head Porous Femoral Stem & HA Mallory/Head Porous Lateralized Femoral Stem
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Biomet Orthopedics, Inc. · MEH Prosthesis, Hip, Semi-Constrained, Uncemented, Metal / Polymer, Non-Porous, Calcium Phosphate
Cleared on May 31, 2002 as substantially equivalent to K921181 (Biomet, Inc., 1994) and 2 other predicates after a 29-day review. Its family tree reaches back 1 generation to 1994. 132 later devices descend from it.
- Decided
- May 31, 2002
- Review
- 29 days
- Class
- Class II
- Product code
- MEH
- Recalls
- None
- Predicates
- 3
Its longest line of descent runs back 1 generation to K921181 (1994). 3 ancestors in all. 132 later devices descend from it, 1 citing it directly.
- Root · 1 generation backK921181 Mallory-Head Total Hip SystemBiomet, Inc. · 1994
- This deviceK021403 HA Mallory/Head Porous Femoral Stem & HA Mallory/Head Porous…Biomet Orthopedics, Inc. · 2002
- Descendant · cites it directly · 131 of its ownK043123 Apex Modular HA Hip StemApex Surgical, LLC · 2005
- Descendant · 2 generations on · 68 of its ownK071916 Metha Hip SystemAesculap Implant Systems, Inc. · 2008 · Recalled
- Descendant · 2 generations on · 61 of its ownK080842 Apex Knee System, Model KC-230XY, KC-240XY [ NO Holes, 2 Holes]Omni Life Science, Inc. · 2008
- Descendant · 3 generations on · 60 of its ownK131353 Comprehensive Reverse Shoulder - Titanium GlenosphereBiomet Manufacturing Corp · 2013
- Descendant · 3 generations on · 59 of its ownK083495 Modification to: Metha Hip SystemAesculap Implant Systems, Inc. · 2009
Showing 5 of 132 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 132 · See all- K043123Apex Modular HA Hip StemApex Surgical, LLC · 2005 · cites it directly131descendants
- K071916Metha Hip SystemAesculap Implant Systems, Inc. · 2008 · 2 generations on68descendants
- K080842Apex Knee System, Model KC-230XY, KC-240XY [ NO Holes, 2 Holes]Omni Life Science, Inc. · 2008 · 2 generations on61descendants
- K131353Comprehensive Reverse Shoulder - Titanium GlenosphereBiomet Manufacturing Corp · 2013 · 3 generations on60descendants
- K083495Modification to: Metha Hip SystemAesculap Implant Systems, Inc. · 2009 · 3 generations on59descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −1 | K921181 | Mallory-Head Total Hip System | Biomet, Inc. | 1994 | — |
| 0 (this device) | K021403 | HA Mallory/Head Porous Femoral Stem & HA Mallory/Head Porous Lateralized… | Biomet Orthopedics, Inc. | 2002 | — |
| +1 | K043123 | Apex Modular HA Hip Stem | Apex Surgical, LLC | 2005 | — |
| +2 | K071916 | Metha Hip System | Aesculap Implant Systems, Inc. | 2008 | 1 |
| +2 | K080842 | Apex Knee System, Model KC-230XY, KC-240XY [ NO Holes, 2 Holes] | Omni Life Science, Inc. | 2008 | — |
| +3 | K131353 | Comprehensive Reverse Shoulder - Titanium Glenosphere | Biomet Manufacturing Corp | 2013 | — |
| +3 | K083495 | Modification to: Metha Hip System | Aesculap Implant Systems, Inc. | 2009 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2000 | 2 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2005 | 1 | 0 |
| 2008 | 3 | 0 |
| 2009 | 2 | 0 |
| 2010 | 2 | 0 |
| 2011 | 4 | 0 |
| 2012 | 3 | 0 |
| 2013 | 2 | 0 |
| 2014 | 3 | 0 |
| 2015 | 3 | 0 |
| 2016 | 1 | 0 |
| 2017 | 4 | 0 |
| 2018 | 5 | 0 |
| 2019 | 5 | 0 |
| 2020 | 6 | 0 |
| 2021 | 9 | 0 |
| 2022 | 12 | 0 |
| 2023 | 14 | 0 |
| 2024 | 14 | 0 |
| 2025 | 19 | 0 |
| 2026 | 20 | 0 |
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 MEH? 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 MEH device
- #1 K210581 Actis DuoFix Hip Prosthesis- Collarlessscore 23.9 · 16 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (3)
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K921181 | Mallory-Head Total Hip SystemSummary page 1…ous, calcium-phosphate Device Classification: Class II Legally Marketed Device to which Substantially Equivalence is Claimed: Mallory/Head® Porous Femoral Stem 510(k)- K921181 and Mallory/Head® Lateralized Press-Fit Femorals 510(k)s- K000538 and K003429. Device Description: The HA Mallory/Head® Porous F… | 1994 |
| * | K000538 | Mallory/Head Lateralized Press-Fit FemoralSummary page 1…arketed Device to which Substantially Equivalence is Claimed: Mallory/Head® Porous Femoral Stem 510(k)- K921181 and Mallory/Head® Lateralized Press-Fit Femorals 510(k)s- K000538 and K003429. Device Description: The HA Mallory/Head® Porous Femoral Stems & HA Mallory/Head® Porous Lateralized Femoral Stems a… | 2000 |
| * | K003429 | Malloy/Head Lateralized Press-Fit FemoralSummary page 1…ce to which Substantially Equivalence is Claimed: Mallory/Head® Porous Femoral Stem 510(k)- K921181 and Mallory/Head® Lateralized Press-Fit Femorals 510(k)s- K000538 and K003429. Device Description: The HA Mallory/Head® Porous Femoral Stems & HA Mallory/Head® Porous Lateralized Femoral Stems are the same… | 2000 |
What descends from it? (132)
See all 1321 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K043123 | Apex Modular HA Hip Stem | 2005 | 131 |
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?
How does its category compare?
All MEH devicesMEH Prosthesis, Hip, Semi-Constrained, Uncemented, Metal / Polymer, Non-Porous, Calcium Phosphate: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · MEH
5in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · MEH
87in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · MEH
1in 2025
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · MEH
470in 2025
MAUDE reports naming product code MEH, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 2 | — | 3 | 25 |
| 2008 | 6 | 79 | 80 | 261 |
| 2009 | 6 | 65 | 51 | 539 |
| 2010 | 5 | 226 | 16 | 462 |
| 2011 | 5 | 95 | 4 | 419 |
| 2012 | 6 | 131 | 3 | 1,606 |
| 2013 | 1 | — | 0 | 1,295 |
| 2014 | 0 | — | 1 | 1,196 |
| 2015 | 2 | — | 1 | 490 |
| 2016 | 6 | 163 | 4 | 347 |
| 2017 | 3 | 209 | 1 | 383 |
| 2018 | 2 | — | 3 | 337 |
| 2019 | 1 | — | 0 | 335 |
| 2020 | 3 | 131 | 1 | 338 |
| 2021 | 3 | 83 | 0 | 372 |
| 2022 | 3 | 150 | 0 | 316 |
| 2023 | 2 | — | 0 | 334 |
| 2024 | 6 | 91 | 0 | 354 |
| 2025 | 5 | 87 | 1 | 470 |
| 2026 | 1 | — | 1 | — |
What is it indicated for?
The HA Mallory/Head® Porous Femoral Stem & HA Mallory/Head® Porous Lateralized Femoral Stem are indicated for use for 1) Non-inflammatory degenerative joint disease including osteoarthritis and avascular necrosis; 2) Rheumatoid arthritis; 3) Correction of functional deformity; 4) Treatment of non-union, femoral neck fracture, and trochanteric fractures of the proximal femur with head involvement, unmanageable using other techniques; and 5) Revision procedures where other treatments or devices have failed.
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K021403 · printed Nov 4, 2026
Cite this page
510(k) Report. “K021403: HA Mallory/Head Porous Femoral Stem & HA Mallory/Head Porous Lateralized Femoral Stem.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K021403
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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