510(k) Report

510(k) · Cleared

Cleared

PINNACLETM Constrained Acetabular Liners

K240639510(k) SpecialCleared Apr 4, 202429-day reviewClass II21 CFR 888.3310

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

Depuy Ireland UC · KWZ Prosthesis, Hip, Constrained, Cemented Or Uncemented, Metal/Polymer

Cleared on Apr 4, 2024 as substantially equivalent to K043058 (Depuy, Inc., 2005) and 2 other predicates after a 29-day review. Its family tree reaches back 4 generations to 1988.

Decided
Apr 4, 2024
Review
29 days
Class
Class II
Product code
KWZ
Recalls
None
Predicates
3

Its longest line of descent runs back 4 generations to K883460 (1988). 9 ancestors in all, the oldest K851422 (1985). No later device cites it as a predicate yet.

  1. Root · 4 generations backK883460 Focus Total Hip SystemDepuy, Inc. · 1988
  2. 3 generations backK980513 Articul/Eze Femoral HeadsDePuy Orthopaedics, Inc. · 1998
  3. 2 generations backK060031 Depuy Modular M HeadsDePuy Orthopaedics, Inc. · 2006
  4. 1 generation backK071117 Modification to Pinnacle Constrained Acetabular LinersDePuy Orthopaedics, Inc. · 2007 · Recalled
  5. This deviceK240639 PINNACLETM Constrained Acetabular LinersDepuy Ireland UC · 2024
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4K883460Focus Total Hip SystemDepuy, Inc.1988—
−3K980513Articul/Eze Femoral HeadsDePuy Orthopaedics, Inc.1998—
−2K060031Depuy Modular M HeadsDePuy Orthopaedics, Inc.2006—
−1K071117Modification to Pinnacle Constrained Acetabular LinersDePuy Orthopaedics, Inc.20071
0 (this device)K240639PINNACLETM Constrained Acetabular LinersDepuy Ireland UC2024—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198510
199510
200410
200520
FIG. 1 — Lineage of K240639, 1988–2024Source: 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), 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 KWZ? 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 KWZ device

  1. #1 K241461 Mpact Constrained Linerscore 15.5 · 10 generations · no Class I recall
Get a 510(k) Report

What was it cleared against? (3)

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
*K043058Pinnacle Constrained Acetabular Liners
Summary page 6
…/Polymer Page 1 of 4 Legally marketed device(s) to which K043058/K052079/K071117 - PINNACLETM Constrained Acetabular Liners equivalence is claimed Reason for 510(k) submission DePuy Ire…
Depuy, Inc.2005—
*K052079Pinnacle Constrained Acetabular Liners
Summary page 6
…Page 1 of 4 Legally marketed device(s) to which K043058/K052079/K071117 - PINNACLETM Constrained Acetabular Liners equivalence is claimed Reason for 510(k) submission DePuy Ireland UC…
DePuy Orthopaedics, Inc.2005—
*K071117Modification to Pinnacle Constrained Acetabular Liners
Summary page 6
…Page 1 of 4 Legally marketed device(s) to which K043058/K052079/K071117 - PINNACLETM Constrained Acetabular Liners equivalence is claimed Reason for 510(k) submission DePuy Ireland UC has comp…
DePuy Orthopaedics, Inc.20071

Also cleared against K043058: 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 36 years and passes through 3 companies; a new generation was cleared every 9.5 years on median.
  • 1 of the 9 ancestors has a recall of any class.
  • 2 other devices also cite its predicate K043058.

How does its category compare?

All KWZ devices

KWZ Prosthesis, Hip, Constrained, Cemented Or Uncemented, Metal/Polymer: FDA decisions, review times, recalls and adverse event reports over 20 years. 2024, this device’s year, is highlighted.

FDA decisions per year · KWZ

1in 2025

2007: 72008: 12009: 12010: 12011: 12012: 12016: 12017: 22024: 12025: 1
2007high 7 (2007) · low 0 (2013)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · KWZ

104in 2007

2007: 104 days median
2007high 104 (2007)2026

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

Recalls per year · KWZ

1in 2023

2010: 82012: 12023: 12026 (partial year): 1
2007high 8 (2010) · low 0 (2007)2026

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

Adverse event reports per year · KWZ

193in 2025

2007: 412008: 442009: 812010: 982011: 1272012: 1682013: 2742014: 2782015: 6362016: 1,1802017: 4772018: 2832019: 5322020: 2882021: 2162022: 1582023: 1642024: 1452025: 193
2007high 1,180 (2016) · low 41 (2007)2025

MAUDE reports naming product code KWZ, 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
20077104041
20081—044
20091—081
20101—898
20111—0127
20121—1168
20130—0274
20140—0278
20150—0636
20161—01,180
20172—0477
20180—0283
20190—0532
20200—0288
20210—0216
20220—0158
20230—1164
20241—0145
20251—0193
20260—1—

What is it indicated for?

The PINNACLETM Constrained Acetabular Liner is indicated for use as a component of a total hip prosthesis in primary or revision patients at high risk of hip dislocation due to a history or prior dislocation, bone loss, joint or soft tissue laxity, neuromuscular disease or intraoperative instability and for whom all other options of constrained acetabular components have been considered.

The PINNACLETM Constrained Acetabular Liner is indicated for use with the PINNACLETM Acetabular Cup in cementless application.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K240639: PINNACLETM Constrained Acetabular Liners.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K240639

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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