510(k) Report

510(k) · Cleared

Cleared

Orthomet Acetabular Cup System

K931333510(k) TraditionalCleared Oct 14, 1994577-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

Orthomet, Inc. · LPH Prosthesis, Hip, Semi-Constrained, Metal/Polymer, Porous Uncemented

Cleared on Oct 14, 1994 after a 577-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 3 later devices descend from it.

Decided
Oct 14, 1994
Review
577 days
Class
Class II
Product code
LPH
Recalls
None
Predicates
0

3 later devices descend from it, 2 citing it directly.

Descendants, by year cleared 2024: 2 descendants cleared2018: 1 descendant cleared1990200020102020
  1. This deviceK931333 Orthomet Acetabular Cup SystemOrthomet, Inc. · 1994
  2. Descendant · cites it directly · 1 of its ownK173898 MicroPort Orthopedics Total Hip Systems MR LabelingMicroport Orthopedics Inc. (Mpo) · 2018
  3. Descendant · cites it directly · 0 of its ownK240046 Ethylene Oxide Sterilization Supplier Change for MPO HipsMicroport Orthopedics · 2024
  4. Descendant · 2 generations on · 0 of its ownK240452 Ceramic Femoral HeadMicroport Orthopedics, Inc. · 2024

Most influential descendants

Showing 3 of 3 · See all
  • K173898MicroPort Orthopedics Total Hip Systems MR LabelingMicroport Orthopedics Inc. (Mpo) · 2018 · cites it directly1descendant
  • K240046Ethylene Oxide Sterilization Supplier Change for MPO HipsMicroport Orthopedics · 2024 · cites it directly0descendants
  • K240452Ceramic Femoral HeadMicroport Orthopedics, Inc. · 2024 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K931333Orthomet Acetabular Cup SystemOrthomet, Inc.1994—
+1K173898MicroPort Orthopedics Total Hip Systems MR LabelingMicroport Orthopedics Inc. (Mpo)2018—
+1K240046Ethylene Oxide Sterilization Supplier Change for MPO HipsMicroport Orthopedics2024—
+2K240452Ceramic Femoral HeadMicroport Orthopedics, Inc.2024—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201810
202420
FIG. 1 — Lineage of K931333, 1994–2024Source: 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 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?

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

What descends from it? (3)

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

NumberDeviceApplicantDecidedDescendants
K173898MicroPort Orthopedics Total Hip Systems MR LabelingMicroport Orthopedics Inc. (Mpo)20181
K240046Ethylene Oxide Sterilization Supplier Change for MPO HipsMicroport Orthopedics20240

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, K173898 (Microport Orthopedics Inc. (Mpo), 2018) has gone furthest, with 1 descendant of its own.

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.

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—
Cite this page

510(k) Report. “K931333: Orthomet Acetabular Cup System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K931333

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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