510(k) Report

510(k) · Cleared

Cleared

Linear Porous Coated Hip Stem, Size 5; Revelation Hip Stem, Size 8; Foundation Porous Press Fit Stem, Size 8;

K121024510(k) TraditionalCleared Jun 19, 201276-day reviewClass II21 CFR 888.3358

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

Encore Medical L.P. · LPH Prosthesis, Hip, Semi-Constrained, Metal/Polymer, Porous Uncemented

Cleared on Jun 19, 2012 as substantially equivalent to K991226 (Encore Orthopedics, Inc., 1999) and 3 other predicates after a 76-day review. Its family tree reaches back 3 generations to 1995.

Decided
Jun 19, 2012
Review
76 days
Class
Class II
Product code
LPH
Recalls
None
Predicates
6

Its longest line of descent runs back 3 generations to K952191 (1995). 4 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 3 generations backK952191 Forged Cemented StemEncore Orthopedics, Inc. · 1995
  2. 2 generations backK961890 Foundation 9MM Forged Cemented StemEncore Orthopedics, Inc. · 1996 · Recalled
  3. 1 generation backK991227 8MM Forged Cemented StemEncore Orthopedics, Inc. · 1999
  4. This deviceK121024 Linear Porous Coated Hip Stem, Size 5; Revelation Hip Stem, Size 8…Encore Medical L.P. · 2012
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K952191Forged Cemented StemEncore Orthopedics, Inc.1995—
−2K961890Foundation 9MM Forged Cemented StemEncore Orthopedics, Inc.19961
−1K9912278MM Forged Cemented StemEncore Orthopedics, Inc.1999—
0 (this device)K121024Linear Porous Coated Hip Stem, Size 5; Revelation Hip Stem, Size 8; Foundation…Encore Medical L.P.2012—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199910
FIG. 1 — Lineage of K121024, 1995–2012Source: 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 LPH? 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 LPH device

  1. #1 K233498 Stryker Orthopaedics Hip Systems Labeling Updatescore 24.2 · 20 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? (6)

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; numbers the summary cites that cannot be its predicate are marked – and kept off the family tree.

TypeNumberDeviceApplicantDecidedRecalls
Kept off the family treeK990135FDA’s K990135 is Trilogy Acetabular System Longevity Crosslinked Polyethylene
Not matched in our reading of the summary (scans can blur digits), so it is kept off the family tree
Zimmer, Inc.1999—
Kept off the family treeK990070Revelation Hip Stem, Size 8
Not matched in our reading of the summary (scans can blur digits), so it is kept off the family tree
*K991226Foundation Porous Hip Stem
Summary page 1
…strained porous coated uncemented 8 .prosthesis per 21 CFR 888.3358 Foundation Porous Press K99 1226 -June 1, 1999, Class Hip joint metal/ceramic/polymer semiu- Fit Stem, Size 8 11…
Encore Orthopedics, Inc.1999—
*K952191Forged Cemented Stem
Summary page 1
…mented or nonporous uncemented prosthesis per 21 CFR 888.3353 Foundation Cemented Hip K(952191 -July 17, 1995, Class JDI, Hip joint metal/polymer semi-constrained Stem, Size 10. 5 - 18 11…
Encore Orthopedics, Inc.1995—
*K9912278MM Forged Cemented Stem
Summary page 1
…olymer semi-constrained Stem, Size 10. 5 - 18 11 JDG cemented prosthesis per 21 CFR 888.3350 Foundation Cemented K991227 - June 1, 1999, Class JD1 Hip joint metal/polymer semi-constrained Stem, Size 8 11…
Encore Orthopedics, Inc.1999—
*K961890Foundation 9MM Forged Cemented Stem
Summary page 1
…ymer semi-constrained Stem, Size 8 11 cemented prosthesis per 21 CER 888.3350 Foundation Cemented K(961890 -June 14, 1996, Class iDI Hip joint metal/polymer semi-constrained Stem, Size 9 11…
Encore Orthopedics, Inc.19961

Also cleared against K991226: 2 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 17 years and passes through 2 companies; a new generation was cleared every 3.0 years on median.
  • 1 of the 4 ancestors has a recall of any class.
  • 2 other devices also cite its predicate K991226.

How does its category compare?

All LPH devices

LPH Prosthesis, Hip, Semi-Constrained, Metal/Polymer, Porous Uncemented: FDA decisions, review times, recalls and adverse event reports over 20 years. 2012, this device’s year, is highlighted.

FDA decisions per year · LPH

12in 2025

2007: 102008: 102009: 32010: 152011: 162012: 252013: 112014: 202015: 182016: 102017: 122018: 92019: 222020: 72021: 82022: 142023: 102024: 62025: 122026 (partial year): 8
2007high 25 (2012) · low 3 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LPH

153in 2025

2007: 116 days median2008: 86 days median2009: 112 days median2010: 100 days median2011: 110 days median2012: 76 days median2013: 135 days median2014: 129 days median2015: 111 days median2016: 150 days median2017: 121 days median2018: 145 days median2019: 164 days median2020: 164 days median2021: 410 days median2022: 247 days median2023: 111 days median2024: 92 days median2025: 153 days median2026 (partial year): 256 days median
2007high 410 (2021) · low 76 (2012)2026

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

Recalls per year · LPH

4in 2025

2007: 162008: 12009: 22010: 222011: 262012: 302013: 92014: 32015: 12016: 82017: 142018: 22019: 82020: 62021: 42022: 22023: 22024: 12025: 42026 (partial year): 2
2007high 30 (2012) · low 1 (2008)2026

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

Adverse event reports per year · LPH

6,163in 2025

2007: 5092008: 7062009: 1,1562010: 2,0072011: 3,3202012: 3,7852013: 5,0022014: 5,1632015: 5,8302016: 4,9002017: 5,3122018: 5,9542019: 7,1302020: 5,4292021: 5,9782022: 5,2232023: 5,3452024: 5,6262025: 6,163
2007high 7,130 (2019) · low 509 (2007)2025

MAUDE reports naming product code LPH, 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
20071011616509
200810861706
2009311221,156
201015100222,007
201116110263,320
20122576303,785
20131113595,002
20142012935,163
20151811115,830
20161015084,900
201712121145,312
2018914525,954
20192216487,130
2020716465,429
2021841045,978
20221424725,223
20231011125,345
202469215,626
20251215346,163
202682562—

What is it indicated for?

Joint replacement is indicated for patients suffering from disability due to: * noninflammatory degenerative joint disease including osteoarthritis and avascular necrosis of the natural femoral head; * rheumatoid arthritis; * correction of functional deformity; * femoral fracture; This device may also be indicated in the salvage of previously failed surgical attempts. This stem is intended to be used in a cementless mode. Joint replacement is indicated…

Read the full statement (372 words)

Joint replacement is indicated for patients suffering from disability due to:

* noninflammatory degenerative joint disease including osteoarthritis and avascular necrosis of the natural femoral head;

* rheumatoid arthritis;

* correction of functional deformity;

* femoral fracture;

This device may also be indicated in the salvage of previously failed surgical attempts. This stem is intended to be used in a cementless mode.

Joint replacement is indicated for patients suffering from disability due to:

o noninflammatory degenerative joint disease including osteoarthritis and avascular necrosis of the natural femoral head;

* rheumatoid arthritis;

o correction of functional deformity;

* femoral fracture;

This device may also be indicated in the salvage of previously failed surgical attempts. This stem is intended to be used in a cementless mode.

Joint replacement is indicated for patients suffering from disability due to:

" noninflammatory degenerative joint disease including osteoarthritis and avascular necrosis of the natural femoral head;

" rheumatoid arthritis;

* correction of functional deformity;

" femoral fracture;

This device may also be indicated in the salvage of previously failed surgical attempts. This stem is intended to be used in a cementless mode.

Joint replacement is indicated for patients suffering from disability due to:

" noninflammatory degenerative joint disease including osteoarthritis and avascular necrosis of the natural femoral head;

" rheumatoid arthritis;

* correction of functional deformity;

" femoral fracture;

This device may also be indicated in the salvage of previously failed surgical attempts. This stem is intended to be used in a cemented mode.

Joint replacement is indicated for patients suffering from disability due to:

" noninflanmmatory degenerative joint disease including osteoarthritis and avascular necrosis of the natural femoral head;

" rheumatoid arthritis;

* correction of fuinctional deformity;

* femoral fracture;

This device may also be indicated in the salvage of previously failed surgical attempts. This stem is intended to be used in a cemented mode.

Joint replacement is indicated for patients suffering from disability due to:

" noninflammatory degenerative joint disease including osteoarthritis and avascular necrosis of the natural femoral head;

" rheumatoid arthritis;

* correction of fictional deformity;

" femoral fracture;

This device may also be indicated in the salvage of previously failed surgical attempts. This stem is intended to be used in a cemented mode.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K121024: Linear Porous Coated Hip Stem, Size 5; Revelation Hip Stem, Size 8; Foundation Porous Press Fit Stem, Size 8;.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K121024

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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