510(k) Report

510(k) · Cleared

Cleared

Interlok Bio-Modular Humeral Stems

K032507510(k) SpecialCleared Sep 5, 200322-day reviewClass II21 CFR 888.3650

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

Biomet, Inc. · KWT Prosthesis, Shoulder, Non-Constrained, Metal/Polymer Cemented

Cleared on Sep 5, 2003 as substantially equivalent to K992119 (Biomet, Inc., 1999) after a 22-day review. Its family tree reaches back 1 generation to 1999. 123 later devices descend from it.

Decided
Sep 5, 2003
Review
22 days
Class
Class II
Product code
KWT
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K992119 (1999). 123 later devices descend from it, 2 citing it directly.

Descendants, by year cleared 2007: 1 descendant cleared2004: 1 descendant cleared2021: 11 descendants cleared2012: 4 descendants cleared2011: 4 descendants cleared2019: 8 descendants cleared2016: 3 descendants cleared2015: 2 descendants cleared2014: 4 descendants cleared2013: 3 descendants cleared2017: 5 descendants cleared2020: 11 descendants cleared2022: 15 descendants cleared2025: 12 descendants cleared2026: 13 descendants cleared2023: 11 descendants cleared2024: 10 descendants cleared2018: 5 descendants clearedK992119 · Bio-Modular Shoulder System · Biomet, Inc. · 1999 · recalled1995200020052010201520202025
Descendants, by generation 1 generation forward: 2 descendants2 generations forward: 3 descendants3 generations forward: 6 descendants4 generations forward: 15 descendants5 generations forward: 17 descendants6 generations forward: 21 descendants7 generations forward: 30 descendants8 generations forward: 17 descendants9 generations forward: 7 descendants10 generations forward: 2 descendants11 generations forward: 2 descendants12 generations forward: 1 descendant K992119 · Bio-Modular Shoulder System · Biomet, Inc. · 1999 · recalled0+5+10
  1. Root · 1 generation backK992119 Bio-Modular Shoulder SystemBiomet, Inc. · 1999 · Recalled
  2. This deviceK032507 Interlok Bio-Modular Humeral StemsBiomet, Inc. · 2003
  3. Descendant · cites it directly · 120 of its ownK071147 Nexa Orthopedics Total Shoulder SystemNexa Orthopedics, Inc. · 2007
  4. Descendant · 2 generations on · 110 of its ownK102924 Aequalis Ascend Modular Anatomic Shoulder SystemTornier, Inc. · 2011
  5. Descendant · 3 generations on · 108 of its ownK110599 Aequalis Ascend Modular Reverse Shoulder SystemTornier, Inc. · 2011
  6. Descendant · 2 generations on · 105 of its ownK113413 Ascend Shoulder SystemTornier, Inc. · 2012
  7. Descendant · 3 generations on · 98 of its ownK120794 Ascend Shoulder SystemTornier, Inc. · 2012

Showing 5 of 123 descendants. See all descendants

Descendants cleared per year

2004: 12007: 12011: 42012: 42013: 32014: 42015: 22016: 32017: 52018: 52019: 82020: 112021: 112022: 152023: 112024: 102025: 122026: 13
2004high 15 (2022) · low 0 (2005)2026

Most influential descendants

Showing 5 of 123 · See all
  • K071147Nexa Orthopedics Total Shoulder SystemNexa Orthopedics, Inc. · 2007 · cites it directly120descendants
  • K102924Aequalis Ascend Modular Anatomic Shoulder SystemTornier, Inc. · 2011 · 2 generations on110descendants
  • K110599Aequalis Ascend Modular Reverse Shoulder SystemTornier, Inc. · 2011 · 3 generations on108descendants
  • K113413Ascend Shoulder SystemTornier, Inc. · 2012 · 2 generations on105descendants
  • K120794Ascend Shoulder SystemTornier, Inc. · 2012 · 3 generations on98descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K992119Bio-Modular Shoulder SystemBiomet, Inc.19991
0 (this device)K032507Interlok Bio-Modular Humeral StemsBiomet, Inc.2003—
+1K071147Nexa Orthopedics Total Shoulder SystemNexa Orthopedics, Inc.2007—
+2K102924Aequalis Ascend Modular Anatomic Shoulder SystemTornier, Inc.2011—
+3K110599Aequalis Ascend Modular Reverse Shoulder SystemTornier, Inc.2011—
+2K113413Ascend Shoulder SystemTornier, Inc.2012—
+3K120794Ascend Shoulder SystemTornier, Inc.2012—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200410
200710
201140
201240
201330
201440
201520
201630
201750
201850
201980
2020110
2021110
2022150
2023110
2024100
2025120
2026130
FIG. 1 — Lineage of K032507, 1999–2026Source: 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 KWT? 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 KWT device

  1. #1 K231657 AGILON® XO Shoulder Replacement Systemscore 17.7 · 17 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? (1)

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
*K992119Bio-Modular Shoulder System
Summary page 1
…ection 888.3690) Legally Marketed Devices Ta Whlch Substantial Equivalence Is Claimed: Devices are a modification of The Bio-Modular@Shoulder System cleared in 51O(k) K992119. DevIce Description: 0 Manufactured from Ti-6Al-4V Bi-planer tapered stem 30 grit blasted Interloko surface finish L…
Biomet, Inc.19991

Also cleared against K992119: 12 other devices →

What descends from it? (123)

See all 123

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

NumberDeviceApplicantDecidedDescendants
K071147Nexa Orthopedics Total Shoulder SystemNexa Orthopedics, Inc.2007120
K033506Comprehensive Humeral Fracture Positioning SleeveBiomet, Inc.20041

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?

  • Its one ancestor has a recall.
  • Of its descendants, K071147 (Nexa Orthopedics, Inc., 2007) has gone furthest, with 120 descendants of its own.
  • 12 other devices also cite its predicate K992119.

How does its category compare?

All KWT devices

KWT Prosthesis, Shoulder, Non-Constrained, Metal/Polymer Cemented: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · KWT

4in 2025

2007: 12010: 12011: 52012: 12013: 12014: 12015: 22016: 22017: 12018: 22019: 42020: 12021: 12022: 12023: 12024: 12025: 42026 (partial year): 1
2007high 5 (2011) · low 0 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · KWT

242in 2025

2011: 165 days median2019: 91 days median2025: 242 days median
2007high 242 (2025) · low 91 (2019)2026

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

Recalls per year · KWT

1in 2023

2008: 12010: 72012: 22013: 12016: 12017: 12018: 12019: 32023: 1
2007high 7 (2010) · low 0 (2007)2026

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

Adverse event reports per year · KWT

749in 2025

2007: 322008: 482009: 582010: 712011: 1122012: 832013: 1132014: 1682015: 1762016: 4452017: 5602018: 4802019: 4192020: 2152021: 2282022: 2732023: 3612024: 6012025: 749
2007high 749 (2025) · low 32 (2007)2025

MAUDE reports naming product code KWT, 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
20071—032
20080—148
20090—058
20101—771
201151650112
20121—283
20131—1113
20141—0168
20152—0176
20162—1445
20171—1560
20182—1480
20194913419
20201—0215
20211—0228
20221—0273
20231—1361
20241—0601
202542420749
20261—0—

What is it indicated for?

Non-inflammatory degenerative joint disease including osteoarthritis and avascular necrosis

Rheumatoid arthritis

Revision where other devices or treatments have failed

Correction of functional deformity

Fractures of the proximal humerus, where other methods of treatment are deemed inadequate

Difficult clinical management problems, including cuff arthropathy, where other methods may not be suitable or may be inadequate

Non-coated (Interlok®) devices are indicated for cemented application only.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K032507: Interlok Bio-Modular Humeral Stems.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K032507

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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