510(k) Report

510(k) · Cleared

Recalled · 2009

Compress Segmental Femoral Replacement System

K043547510(k) TraditionalCleared Aug 5, 2005225-day reviewClass III21 CFR 888.3330Recalls 6

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

Biomet, Inc. · KWA Prosthesis, Hip, Semi-Constrained (Metal Uncemented Acetabular Component)

Cleared on Aug 5, 2005 as substantially equivalent to K031804 (Biomet, Inc., 2003) and 4 other predicates after a 225-day review. Its family tree reaches back 3 generations to 1996. 11 later devices descend from it. It has been recalled 6 times.

Decided
Aug 5, 2005
Review
225 days
Class
Class III
Product code
KWA
Recalls
6
Predicates
5

Its longest line of descent runs back 3 generations to K945028 (1996). 6 ancestors in all, the oldest K952970 (1996). 11 later devices descend from it, 3 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2000: 1 other ancestor1998: 1 other ancestor1996: 1 other ancestor2007: 1 descendant cleared2008: 1 descendant cleared2010: 1 descendant cleared2012: 2 descendants cleared2015: 1 descendant cleared2019: 1 descendant cleared2018: 1 descendant cleared2026: 1 descendant cleared2023: 1 descendant cleared2025: 1 descendant clearedK945028 · Finn Knee System · Biomet, Inc. · 1996K031804 · Compress Distal Femoral Replacement · Biomet, Inc. · 2003K041352 · Compress Distal Femoral Replacement System · Biomet, Inc. · 20041995200020052010201520202025
Other ancestors, by generationDescendants, by generation 1 generation back: 3 other ancestors 1 generation forward: 3 descendants2 generations forward: 3 descendants3 generations forward: 3 descendants4 generations forward: 1 descendant5 generations forward: 1 descendant K041352 · Compress Distal Femoral Replacement System · Biomet, Inc. · 2004K031804 · Compress Distal Femoral Replacement · Biomet, Inc. · 2003K945028 · Finn Knee System · Biomet, Inc. · 19960+5
  1. Root · 3 generations backK945028 Finn Knee SystemBiomet, Inc. · 1996
  2. 2 generations backK031804 Compress Distal Femoral ReplacementBiomet, Inc. · 2003
  3. 1 generation backK041352 Compress Distal Femoral Replacement SystemBiomet, Inc. · 2004
  4. This deviceK043547 Compress Segmental Femoral Replacement SystemBiomet, Inc. · 2005
  5. Descendant · cites it directly · 10 of its ownK062998 Compress Segmental Femoral Replacement System (Short Spindle and…Biomet Manufacturing Corp · 2007 · Recalled
  6. Descendant · 2 generations on · 5 of its ownK112905 Compress (R) Segmental Humeral Replacement SystemBiomet Orthopedics, LLC · 2012 · Recalled
  7. Descendant · 3 generations on · 2 of its ownK173411 Comprehensive Segmental Revision System (SRS)Biomet Manufacturing Corp · 2018
  8. Descendant · cites it directly · 2 of its ownK080330 Segmental Distal Femoral Components and Proximal Femoral Bodies with…Biomet, Inc. · 2008
  9. Descendant · 4 generations on · 1 of its ownK223631 Comprehensive Segmental Revision System (SRS)Biomet Orthopedics · 2023

Showing 5 of 11 descendants. See all descendants

Descendants cleared per year

2007: 12008: 12010: 12012: 22015: 12018: 12019: 12023: 12025: 12026: 1
2007high 2 (2012) · low 0 (2009)2026

Most influential descendants

Showing 5 of 11 · See all
  • K062998Compress Segmental Femoral Replacement System (Short Spindle and Anchor Plug)Biomet Manufacturing Corp · 2007 · cites it directly10descendants
  • K112905Compress (R) Segmental Humeral Replacement SystemBiomet Orthopedics, LLC · 2012 · 2 generations on5descendants
  • K173411Comprehensive Segmental Revision System (SRS)Biomet Manufacturing Corp · 2018 · 3 generations on2descendants
  • K080330Segmental Distal Femoral Components and Proximal Femoral Bodies with a Compress Female…Biomet, Inc. · 2008 · cites it directly2descendants
  • K223631Comprehensive Segmental Revision System (SRS)Biomet Orthopedics · 2023 · 4 generations on1descendant
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K945028Finn Knee SystemBiomet, Inc.1996—
−2K031804Compress Distal Femoral ReplacementBiomet, Inc.2003—
−1K041352Compress Distal Femoral Replacement SystemBiomet, Inc.2004—
0 (this device)K043547Compress Segmental Femoral Replacement SystemBiomet, Inc.2005—
+1K062998Compress Segmental Femoral Replacement System (Short Spindle and Anchor Plug)Biomet Manufacturing Corp200721
+2K112905Compress (R) Segmental Humeral Replacement SystemBiomet Orthopedics, LLC20122
+3K173411Comprehensive Segmental Revision System (SRS)Biomet Manufacturing Corp2018—
+1K080330Segmental Distal Femoral Components and Proximal Femoral Bodies with a…Biomet, Inc.2008—
+4K223631Comprehensive Segmental Revision System (SRS)Biomet Orthopedics2023—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199610
199810
200010

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200710
200810
201010
201220
201510
201810
201910
202310
202510
202610
FIG. 1 — Lineage of K043547, 1996–2026Source: 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 KWA? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

  • Candidate predicates for a device like this, rankedin the report
  • Recall history across each candidate’s familyin 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
*K031804Compress Distal Femoral Replacement
Summary page 2
…yo cc'i Legally Marketed Devices To Which Substantial Equivalence Is Claimed: ConmfreSs" Distal Femoral Replacement System -Riomet Inc. (K031804, K041352) Orthopedic Salvage System (OSS) -Biomet Inc. (K002757) Modular Replacement System (MRS) - Howmedica (K9…
Biomet, Inc.2003—
*K041352Compress Distal Femoral Replacement System
Summary page 2
…cc'i Legally Marketed Devices To Which Substantial Equivalence Is Claimed: ConmfreSs" Distal Femoral Replacement System -Riomet Inc. (K031804, K041352) Orthopedic Salvage System (OSS) -Biomet Inc. (K002757) Modular Replacement System (MRS) - Howmedica (K952970, K9…
Biomet, Inc.2004—
*K002757Oncology Salvage System
Summary page 2
…ntial Equivalence Is Claimed: ConmfreSs" Distal Femoral Replacement System -Riomet Inc. (K031804, K041352) Orthopedic Salvage System (OSS) -Biomet Inc. (K002757) Modular Replacement System (MRS) - Howmedica (K952970, K97240l) Device Description: The Compre~ss® Segmental F…
Biomet, Inc.200014
*K952970Howmedica Femoral & Proximal Tibial Modular Replacement Sytesm
Summary page 2
…l Replacement System -Riomet Inc. (K031804, K041352) Orthopedic Salvage System (OSS) -Biomet Inc. (K002757) Modular Replacement System (MRS) - Howmedica (K952970, K97240l) Device Description: The Compre~ss® Segmental Femoral Replacement System consists of three main components, th…
Howmedica Corp.199613
*K972401Howmedica Modular Replacement System - Distal Femoral/Proximal Tibial SegmentsHowmedica Corp.1998—

Also cleared against K031804: 1 other device →

What descends from it? (11)

See all 11

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

NumberDeviceApplicantDecidedDescendants
K062998Compress Segmental Femoral Replacement System (Short Spindle and Anchor Plug)Biomet Manufacturing Corp200710
K080330Segmental Distal Femoral Components and Proximal Femoral Bodies with a Compress Female…Biomet, Inc.20082
K101475Compress Anti-Rotation SpindlesBiomet Manufacturing Corp20101

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

Recalls of this device

DateClassRecallRoot causeReason
May 19, 2009Not classifiedZ-1528-2009Process controlThe retaining ring may fall out of the instrument during surgery.
May 19, 2009Not classifiedZ-1530-2009Process controlThe retaining ring may fall out of the instrument during surgery.
May 19, 2009Not classifiedZ-1527-2009Process controlThe retaining ring may fall out of the instrument during surgery.
May 19, 2009Not classifiedZ-1529-2009Process controlThe retaining ring may fall out of the instrument during surgery.
May 19, 2009Not classifiedZ-1531-2009Process controlThe retaining ring may fall out of the instrument during surgery.
May 19, 2009Not classifiedZ-1526-2009Process controlThe retaining ring may fall out of the instrument during surgery.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 9 years and passes through 1 company; a new generation was cleared every 1.0 years on median.
  • 2 of the 6 ancestors have a recall of any class.
  • Of its descendants, K062998 (Biomet Manufacturing Corp, 2007) has gone furthest, with 10 descendants of its own.
  • 1 other device also cites its predicate K031804.

How does its category compare?

All KWA devices

KWA Prosthesis, Hip, Semi-Constrained (Metal Uncemented Acetabular Component): FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · KWA

4in 2012

2007: 82008: 92009: 72010: 62011: 112012: 4
2007high 11 (2011) · low 0 (2013)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · KWA

76in 2012

2007: 74 days median2008: 57 days median2009: 139 days median2010: 167 days median2011: 101 days median2012: 76 days median
2007high 167 (2010) · low 57 (2008)2026

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

Recalls per year · KWA

19in 2023

2008: 132010: 842011: 282012: 212013: 12016: 12017: 12018: 12019: 22020: 12023: 19
2007high 84 (2010) · low 0 (2007)2026

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

Adverse event reports per year · KWA

1,216in 2025

2007: 2132008: 7622009: 8202010: 3,3482011: 17,7372012: 24,6012013: 20,0202014: 16,4942015: 12,3392016: 7,8722017: 6,8472018: 6,3882019: 7,6282020: 4,5382021: 2,0642022: 1,6172023: 1,4742024: 1,1682025: 1,216
2007high 24,601 (2012) · low 213 (2007)2025

MAUDE reports naming product code KWA, 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
20078740213
200895713762
200971390820
20106167843,348
2011111012817,737
20124762124,601
20130—120,020
20140—016,494
20150—012,339
20160—17,872
20170—16,847
20180—16,388
20190—27,628
20200—14,538
20210—02,064
20220—01,617
20230—191,474
20240—01,168
20250—01,216
20260—0—

What is it indicated for?

Indications:

1. Correction of revision of unsuccessful osteotomy, arthrodesis, or previous joint replacement.

2. Tumor resections.

3. Revision of previously failed total joint arthroplasty

4. Trauma

The Compress Segmental Femoral Replacement System components are intended for uncemented use only.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K043547: Compress Segmental Femoral Replacement System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K043547

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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