510(k) Report

510(k) · Cleared

Recalled · Class II · 2013

United 36MM Ceramic Femoral Head, Delta

K112463510(k) SpecialCleared Sep 23, 201128-day reviewClass II21 CFR 888.3353Recalls 1

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

United Orthopedic Corporation · LZO Prosthesis, Hip, Semi-Constrained, Metal/Ceramic/Polymer, Cemented Or Non-Porous, Uncemented

Cleared on Sep 23, 2011 as substantially equivalent to K103497 (United Orthopedic Corp., 2011) and 5 other predicates after a 28-day review. Its family tree reaches back 9 generations to 1981. 8 later devices descend from it. It has been recalled once.

Decided
Sep 23, 2011
Review
28 days
Class
Class II
Product code
LZO
Recalls
1
Predicates
6

Its longest line of descent runs back 9 generations to K810258 (1981). 40 ancestors in all. 8 later devices descend from it, 2 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2011: 1 other ancestor2009: 1 other ancestor2005: 2 other ancestors2003: 1 other ancestor2002: 3 other ancestors2000: 5 other ancestors1998: 1 other ancestor1994: 4 other ancestors1991: 1 other ancestor2006: 1 other ancestor2001: 1 other ancestor2004: 1 other ancestor1999: 1 other ancestor1997: 1 other ancestor1995: 3 other ancestors1993: 1 other ancestor1992: 2 other ancestors1996: 1 other ancestor2022: 1 descendant cleared2013: 2 descendants cleared2017: 2 descendants cleared2018: 1 descendant cleared2023: 1 descendant cleared2026: 1 descendant clearedK810258 · 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 · recalled×2: 2 generations cleared close together, K042051 (2005), K051411 (2005) K061312 · 36MM Biolox Delta Ceramic Heads · Biomet, Inc. · 2006K071535 · Biolox Delta Ceramic Femoral Head · Zimmer, Inc. · 2007 · recalledK082844 · Biolox Delta Ceramic Femoral Head, Biolox Delta Ceramic Femoral Head Offset Sleeve · Encore Medical L.P. · 2008 · recalledK100412 · Biolox Delta Ceramic Femoral Heads · Smith & Nephew, Inc. · 201019801990200020102020
  1. Root · 9 generations backK810258 Proximal Fermoral Hip ReplacementBiomet, Inc. · 1981
  2. 5 generations between
  3. 3 generations backK071535 Biolox Delta Ceramic Femoral HeadZimmer, Inc. · 2007 · Recalled
  4. 2 generations backK082844 Biolox Delta Ceramic Femoral Head, Biolox Delta Ceramic Femoral Head…Encore Medical L.P. · 2008 · Recalled
  5. 1 generation backK100412 Biolox Delta Ceramic Femoral HeadsSmith & Nephew, Inc. · 2010
  6. This deviceK112463 United 36MM Ceramic Femoral Head, DeltaUnited Orthopedic Corporation · 2011
  7. Descendant · cites it directly · 7 of its ownK122185 U-Motion II Acetabular SystemUnited Orthopedic Corp. · 2013
  8. Descendant · 2 generations on · 3 of its ownK163441 Locking Cage, Full XPE CupUnited Orthopedic Corporation · 2017
  9. Descendant · 2 generations on · 3 of its ownK132455 U-Motion II PS+ CupUnited Orthopedic Corp. · 2013
  10. Descendant · 2 generations on · 2 of its ownK172833 E-XPE Acetabular Components and U-Motion II Acetabular CupUnited Orthopedic Corporation · 2018
  11. Descendant · 2 generations on · 2 of its ownK170089 U-Motion II Acetabular System— Additional sizesUnited Orthopedic Corporation · 2017
Show all 9 generations
  1. Root · 9 generations backK810258 Proximal Fermoral Hip ReplacementBiomet, Inc. · 1981
  2. 8 generations backK974558 Salvage/Onocology Hip and Total Femur SystemBiomet, Inc. · 1998
  3. 7 generations backK032396 Ringloc 36MM Line and Modular Femoral HeadsBiomet, Inc. · 2003 · Recalled
  4. 6 generations backK042051 Arcomxl Polyethylene LinersBiomet, Inc. · 2005 · Recalled
  5. 5 generations backK051411 Arcomxl Polyethylene Liners and Biolox Delta HeadsBiomet, Inc. · 2005 · Recalled
  6. 4 generations backK061312 36MM Biolox Delta Ceramic HeadsBiomet, Inc. · 2006
  7. 3 generations backK071535 Biolox Delta Ceramic Femoral HeadZimmer, Inc. · 2007 · Recalled
  8. 2 generations backK082844 Biolox Delta Ceramic Femoral Head, Biolox Delta Ceramic Femoral Head…Encore Medical L.P. · 2008 · Recalled
  9. 1 generation backK100412 Biolox Delta Ceramic Femoral HeadsSmith & Nephew, Inc. · 2010
  10. This deviceK112463 United 36MM Ceramic Femoral Head, DeltaUnited Orthopedic Corporation · 2011

Showing 5 of 8 descendants. See all descendants

Descendants cleared per year

2013: 22017: 22018: 12022: 12023: 12026: 1
2013high 2 (2013) · low 0 (2014)2026

Most influential descendants

Showing 5 of 8 · See all
  • K122185U-Motion II Acetabular SystemUnited Orthopedic Corp. · 2013 · cites it directly7descendants
  • K163441Locking Cage, Full XPE CupUnited Orthopedic Corporation · 2017 · 2 generations on3descendants
  • K132455U-Motion II PS+ CupUnited Orthopedic Corp. · 2013 · 2 generations on3descendants
  • K172833E-XPE Acetabular Components and U-Motion II Acetabular CupUnited Orthopedic Corporation · 2018 · 2 generations on2descendants
  • K170089U-Motion II Acetabular System— Additional sizesUnited Orthopedic Corporation · 2017 · 2 generations on2descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−9K810258Proximal Fermoral Hip ReplacementBiomet, Inc.1981—
−8K974558Salvage/Onocology Hip and Total Femur SystemBiomet, Inc.1998—
−7K032396Ringloc 36MM Line and Modular Femoral HeadsBiomet, Inc.20033
−6K042051Arcomxl Polyethylene LinersBiomet, Inc.20051
−5K051411Arcomxl Polyethylene Liners and Biolox Delta HeadsBiomet, Inc.20051
−4K06131236MM Biolox Delta Ceramic HeadsBiomet, Inc.2006—
−3K071535Biolox Delta Ceramic Femoral HeadZimmer, Inc.20073
−2K082844Biolox Delta Ceramic Femoral Head, Biolox Delta Ceramic Femoral Head Offset…Encore Medical L.P.20081
−1K100412Biolox Delta Ceramic Femoral HeadsSmith & Nephew, Inc.2010—
0 (this device)K112463United 36MM Ceramic Femoral Head, DeltaUnited Orthopedic Corporation2011—
+1K122185U-Motion II Acetabular SystemUnited Orthopedic Corp.2013—
+2K163441Locking Cage, Full XPE CupUnited Orthopedic Corporation2017—
+2K132455U-Motion II PS+ CupUnited Orthopedic Corp.2013—
+2K172833E-XPE Acetabular Components and U-Motion II Acetabular CupUnited Orthopedic Corporation2018—
+2K170089U-Motion II Acetabular System— Additional sizesUnited Orthopedic Corporation2017—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199110
199220
199310
199440
199530
199610
199710
199810
199910
200050
200110
200230
200310
200410
200520
200610
200910
201110

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201320
201720
201810
202210
202310
202610
FIG. 1 — Lineage of K112463, 1981–2026Source: 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 LZO? 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 LZO device

  1. #1 K192827 Quadra-Pscore 19.3 · 10 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? (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.

TypeNumberDeviceApplicantDecidedRecalls
*K103497Ceramic Femoral Head
Summary page 1
…ice Product Code: LZO, MEH, LPH Predicate Device: 1. "UNITED" Ceramic Femoral Head, manufactured by United Orthopedic Corporation, K103497, cleared March 04, 2011 2. Smith & Nephew BIOLOX®&…
United Orthopedic Corp.2011—
*K083762Biolox Delta Ceramic Femoral Heads
Summary page 1
…04, 2011 2. Smith & Nephew BIOLOX®& Delta Ceramic Femoral Heads (K083762, K1004 12) 3. BIOMET BIOLOX® Delta Ceramic Heads (K042091, K061312, K05141 1…
Smith & Nephew, Inc.2009—
*K100412Biolox Delta Ceramic Femoral Heads
Summary page 1
…1 2. Smith & Nephew BIOLOX®& Delta Ceramic Femoral Heads (K083762, K1004 12) 3. BIOMET BIOLOX® Delta Ceramic Heads (K042091, K061312, K05141 1) Device…
Smith & Nephew, Inc.2010—
*K042091Biolox Delta Ceramic Heads
Summary page 1
…Delta Ceramic Femoral Heads (K083762, K1004 12) 3. BIOMET BIOLOX® Delta Ceramic Heads (K042091, K061312, K05141 1) Device Description: "UNITED" 36 mm Ceramic Femoral Head - Delta is an addi…
Biomet, Inc.20052
*K06131236MM Biolox Delta Ceramic Heads
Summary page 1
…eramic Femoral Heads (K083762, K1004 12) 3. BIOMET BIOLOX® Delta Ceramic Heads (K042091, K061312, K05141 1) Device Description: "UNITED" 36 mm Ceramic Femoral Head - Delta is an additional size extension to the UOC-FDA…
Biomet, Inc.2006—
*K051411Arcomxl Polyethylene Liners and Biolox Delta Heads
Summary page 1
…moral Heads (K083762, K1004 12) 3. BIOMET BIOLOX® Delta Ceramic Heads (K042091, K061312, K05141 1) Device Description: "UNITED" 36 mm Ceramic Femoral Head - Delta is an additional size extension to the UOC-FDA -019…
Biomet, Inc.20051

Also cleared against K103497: 2 other devices →

What descends from it? (8)

2 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K122185U-Motion II Acetabular SystemUnited Orthopedic Corp.20137
K221675United U2 femoral head, 22mm delta ceramic headUnited Orthopedic Corporation20220

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

Recalls of this device

DateClassRecallRoot causeReason
Feb 20, 2013Class IIZ-1386-2013Labeling designThe recall of the Loaner Bin and Sterilization Trays for implants and instruments was initiated by Orthopedic Alliance because the directions for use and surgical techniques were not being provided to every physician and for every surgery.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 30 years and passes through 5 companies; a new generation was cleared every 1.4 years on median.
  • 11 of the 40 ancestors have a recall of any class.
  • Of its descendants, K122185 (United Orthopedic Corp., 2013) has gone furthest, with 7 descendants of its own.
  • 2 other devices also cite its predicate K103497.

How does its category compare?

All LZO devices

LZO Prosthesis, Hip, Semi-Constrained, Metal/Ceramic/Polymer, Cemented Or Non-Porous, Uncemented: FDA decisions, review times, recalls and adverse event reports over 20 years. 2011, this device’s year, is highlighted.

FDA decisions per year · LZO

14in 2025

2007: 92008: 112009: 72010: 152011: 132012: 142013: 262014: 132015: 122016: 102017: 162018: 182019: 282020: 182021: 122022: 112023: 102024: 112025: 142026 (partial year): 9
2007high 28 (2019) · low 7 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LZO

119in 2025

2007: 87 days median2008: 63 days median2009: 83 days median2010: 78 days median2011: 87 days median2012: 98 days median2013: 100 days median2014: 85 days median2015: 115 days median2016: 177 days median2017: 257 days median2018: 163 days median2019: 109 days median2020: 112 days median2021: 170 days median2022: 279 days median2023: 122 days median2024: 111 days median2025: 119 days median2026 (partial year): 102 days median
2007high 279 (2022) · low 63 (2008)2026

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

Recalls per year · LZO

1in 2025

2007: 22008: 132009: 422011: 102012: 142014: 12015: 12016: 92017: 52018: 22019: 42020: 32022: 42023: 22024: 12025: 1
2007high 42 (2009) · low 0 (2010)2026

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

Adverse event reports per year · LZO

3,244in 2025

2007: 1382008: 1252009: 1892010: 3942011: 5442012: 9632013: 1,3702014: 1,4772015: 1,3482016: 1,7282017: 2,1652018: 3,1332019: 3,0662020: 1,9632021: 2,1992022: 1,9852023: 2,0662024: 2,5862025: 3,244
2007high 3,244 (2025) · low 125 (2008)2025

MAUDE reports naming product code LZO, 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
20079872138
2008116313125
200978342189
201015780394
2011138710544
2012149814963
20132610001,370
2014138511,477
20151211511,348
20161017791,728
20171625752,165
20181816323,133
20192810943,066
20201811231,963
20211217002,199
20221127941,985
20231012222,066
20241111112,586
20251411913,244
202691020—

What is it indicated for?

This device is indicated for use in total hip arthroplasty for the following conditions: painful, disabling joint disease of the hip resulting from: degenerative arthritis, rheumatoid arthritis, post-traumatic arthritis or late stage avascular necrosis; correction of functional deformity; treatment of non-union, femoral neck fracture, and trochanteric fractures of the proximal femur with head involvement, unmanageable by other techniques; revision procedures where other treatment or devices have failed arthroplasty or other procedure.

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. “K112463: United 36MM Ceramic Femoral Head, Delta.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K112463

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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