510(k) Report

510(k) · Cleared

Cleared

5/8 Porocoat Aml Hip Porocoat Porous Coating

K941847510(k) TraditionalCleared Jul 12, 199489-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

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

Cleared on Jul 12, 1994 after an 89-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 312 later devices descend from it.

Decided
Jul 12, 1994
Review
89 days
Class
Class II
Product code
LZO
Recalls
None
Predicates
0

312 later devices descend from it, 1 citing it directly.

Descendants, by year cleared 1997: 1 descendant cleared1998: 1 descendant cleared1999: 1 descendant cleared2000: 1 descendant cleared2003: 2 descendants cleared2001: 1 descendant cleared2004: 3 descendants cleared2011: 16 descendants cleared2020: 16 descendants cleared2024: 16 descendants cleared2015: 9 descendants cleared2018: 17 descendants cleared2012: 26 descendants cleared2008: 9 descendants cleared2006: 6 descendants cleared2010: 7 descendants cleared2016: 11 descendants cleared2005: 1 descendant cleared2019: 15 descendants cleared2007: 1 descendant cleared2022: 18 descendants cleared2023: 20 descendants cleared2009: 5 descendants cleared2021: 19 descendants cleared2013: 23 descendants cleared2025: 22 descendants cleared2026: 20 descendants cleared2017: 17 descendants cleared2014: 8 descendants cleared1990200020102020
  1. This deviceK941847 5/8 Porocoat Aml Hip Porocoat Porous CoatingDepuy, Inc. · 1994
  2. Descendant · cites it directly · 311 of its ownK964650 TCP-Coated Porocoat Aml Femoral Hip ProsthesisDepuy, Inc. · 1997
  3. Descendant · 2 generations on · 309 of its ownK980711 Harris/Galante Porous (HGP) Hip Prosthesis with Calcicoat Ceramic…Zimmer, Inc. · 1998 · Recalled
  4. Descendant · 3 generations on · 296 of its ownK030733 Mayo Conservative Hip Prosthesis, Model 8026 SeriesZimmer, Inc. · 2003 · Recalled
  5. Descendant · 4 generations on · 267 of its ownK040191 Bicontact Hip Stem and Femoral HeadAesculap · 2004
  6. Descendant · 3 generations on · 213 of its ownK001277 Triflange Acetabular Cup SystemDePuy Orthopaedics, Inc. · 2000

Showing 5 of 312 descendants. See all descendants

Descendants cleared per year

1997: 11998: 11999: 12000: 12001: 12003: 22004: 32005: 12006: 62007: 12008: 92009: 52010: 72011: 162012: 262013: 232014: 82015: 92016: 112017: 172018: 172019: 152020: 162021: 192022: 182023: 202024: 162025: 222026: 20
1997high 26 (2012) · low 0 (2002)2026

Most influential descendants

Showing 5 of 312 · See all
  • K964650TCP-Coated Porocoat Aml Femoral Hip ProsthesisDepuy, Inc. · 1997 · cites it directly311descendants
  • K980711Harris/Galante Porous (HGP) Hip Prosthesis with Calcicoat Ceramic CoatingZimmer, Inc. · 1998 · 2 generations on309descendants
  • K030733Mayo Conservative Hip Prosthesis, Model 8026 SeriesZimmer, Inc. · 2003 · 3 generations on296descendants
  • K040191Bicontact Hip Stem and Femoral HeadAesculap · 2004 · 4 generations on267descendants
  • K001277Triflange Acetabular Cup SystemDePuy Orthopaedics, Inc. · 2000 · 3 generations on213descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K9418475/8 Porocoat Aml Hip Porocoat Porous CoatingDepuy, Inc.1994—
+1K964650TCP-Coated Porocoat Aml Femoral Hip ProsthesisDepuy, Inc.1997—
+2K980711Harris/Galante Porous (HGP) Hip Prosthesis with Calcicoat Ceramic CoatingZimmer, Inc.19981
+3K030733Mayo Conservative Hip Prosthesis, Model 8026 SeriesZimmer, Inc.20032
+4K040191Bicontact Hip Stem and Femoral HeadAesculap2004—
+3K001277Triflange Acetabular Cup SystemDePuy Orthopaedics, Inc.2000—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199710
199810
199910
200010
200110
200320
200430
200510
200660
200710
200890
200950
201070
2011160
2012260
2013230
201480
201590
2016110
2017170
2018170
2019150
2020160
2021190
2022180
2023200
2024160
2025220
2026200
FIG. 1 — Lineage of K941847, 1994–2026Source: 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), 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?

FDA has not posted a summary or statement for it, so its predicates are not known.

What descends from it? (312)

See all 312

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K964650TCP-Coated Porocoat Aml Femoral Hip ProsthesisDepuy, Inc.1997311

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?

  • Of its descendants, K964650 (Depuy, Inc., 1997) has gone furthest, with 311 descendants of its own.

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—
Cite this page

510(k) Report. “K941847: 5/8 Porocoat Aml Hip Porocoat Porous Coating.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K941847

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Record history
  • FDA decision record loaded May 2, 2026
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026