510(k) Report

510(k) · Cleared

Cleared

Zirconia Ceramic Femoral Head (12/14 Taper)

K971752510(k) TraditionalCleared Jul 30, 199779-day reviewClass II21 CFR 888.3353

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

Zimmer, Inc. · LZO Prosthesis, Hip, Semi-Constrained, Metal/Ceramic/Polymer, Cemented Or Non-Porous, Uncemented

Cleared on Jul 30, 1997 as substantially equivalent to K944601 (Zimmer, Inc., 1995) and 4 other predicates after a 79-day review. Its family tree reaches back 1 generation to 1990.

Decided
Jul 30, 1997
Review
79 days
Class
Class II
Product code
LZO
Recalls
None
Predicates
5

Its longest line of descent runs back 1 generation to K901480 (1990). 5 ancestors in all. No later device cites it as a predicate yet.

Other ancestors, by year cleared 1996: 2 other ancestors1995: 1 other ancestor1990: 1 other ancestorK901480 · F-20 Total Hip Prosthesis · Med-Tek Corp. · 199019901992199419961998
Other ancestors, by generation 1 generation back: 4 other ancestors K901480 · F-20 Total Hip Prosthesis · Med-Tek Corp. · 19900
  1. Root · 1 generation backK901480 F-20 Total Hip ProsthesisMed-Tek Corp. · 1990
  2. This deviceK971752 Zirconia Ceramic Femoral Head (12/14 Taper)Zimmer, Inc. · 1997
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K901480F-20 Total Hip ProsthesisMed-Tek Corp.1990—
0 (this device)K971752Zirconia Ceramic Femoral Head (12/14 Taper)Zimmer, Inc.1997—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199010
199510
199620
FIG. 1 — Lineage of K971752, 1990–1997Source: 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
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What was it cleared against? (5)

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
*K944601Zimmer Zirconia Ceramic Femoral Head
Summary page 1
…joint metal/ceramic/polymer semiconstrained cemented or nonporous uncemented prosthesis, 21 CFR 888.3353 ¢ Predicate Devices: . Zimmer® Zirconia Ceramic Femoral Head, K944601 and K955877, cleared January 12, 1995, and October 8, 1996, respectively. . Astel Cobalt-Chrome Femoral Heads, manufactured by Z…
Zimmer, Inc.1995—
*K955877Zimmer Zirconia Ceramic Femoral Head
Summary page 1
…/ceramic/polymer semiconstrained cemented or nonporous uncemented prosthesis, 21 CFR 888.3353 ¢ Predicate Devices: . Zimmer® Zirconia Ceramic Femoral Head, K944601 and K955877, cleared January 12, 1995, and October 8, 1996, respectively. . Astel Cobalt-Chrome Femoral Heads, manufactured by Zimmer, K9014…
Zimmer, Inc.1996—
*K901480F-20 Total Hip Prosthesis
Summary page 1
…nia Ceramic Femoral Head, K944601 and K955877, cleared January 12, 1995, and October 8, 1996, respectively. . Astel Cobalt-Chrome Femoral Heads, manufactured by Zimmer, K901480 and K901594, cleared June 12, 1990, and August 3, 1990, respectively. T %Z% A Bristol-Myers Squibb Company Summa…
Med-Tek Corp.1990—
*K901594H.N. Total Hip Prosthesis
Summary page 1
…Femoral Head, K944601 and K955877, cleared January 12, 1995, and October 8, 1996, respectively. . Astel Cobalt-Chrome Femoral Heads, manufactured by Zimmer, K901480 and K901594, cleared June 12, 1990, and August 3, 1990, respectively. T %Z% A Bristol-Myers Squibb Company Summary of Safety…
Med-Tek Corp.1990—
*K953337Beta Hip Prosthesis
Summary page 2
…ffectiveness Zirconia Ceramic Femoral Head (12/14 Taper) (Continued) . Zimmer® Cobalt-Chrome Femoral Heads, described in the premarket notification for the Beta System, K953337, cleared January 22, 1996. Device Description: The Zirconia Ceramic Femoral Head (12/14 taper) is made from yttria stabilized z…
Zimmer, Inc.199615

Also cleared against K944601: 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?

  • 1 of the 5 ancestors has a recall of any class.
  • 2 other devices also cite its predicate K944601.

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.

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?

The Zirconia Ceramic Femoral Head is designed to be implanted into the human hip as a component in total hip arthroplasty and is indicated for the following: Patients suffering from severe hip pain and disability due to rheumatoid arthritis, osteoarthritis, traumatic arthritis, polyarthritis, collagen disorders, avascular necrosis of the femoral head, and nonunion of previous fractures of the femur; patients with congenital hip dysplasia, protrusio…

Read the full statement (98 words)

The Zirconia Ceramic Femoral Head is designed to be implanted into the human hip as a component in total hip arthroplasty and is indicated for the following:

Patients suffering from severe hip pain and disability due to rheumatoid arthritis, osteoarthritis, traumatic arthritis, polyarthritis, collagen disorders, avascular necrosis of the femoral head, and nonunion of previous fractures of the femur; patients with congenital hip dysplasia, protrusio acetabuli, or slipped capital femoral epiphysis; patients suffering from disability due to previous fusion; patients with previously failed endoprostheses and/or total hip components in the operative extremity; and patients with acute neck fractures.

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. “K971752: Zirconia Ceramic Femoral Head (12/14 Taper).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K971752

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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