510(k) Report

510(k) · Cleared

Cleared

Special Orthopaedic Solutions Glenoid Shoulder Component

K103104510(k) SpecialCleared Nov 22, 201033-day reviewClass II21 CFR 888.3660

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

Howmedica Osteonics Corp. · KWS Prosthesis, Shoulder, Semi-Constrained, Metal/Polymer Cemented

Cleared on Nov 22, 2010 as substantially equivalent to K950521 (Osteonics Corp., 1995) after a 33-day review. Its family tree reaches back 1 generation to 1995.

Decided
Nov 22, 2010
Review
33 days
Class
Class II
Product code
KWS
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K950521 (1995). No later device cites it as a predicate yet.

K950521 · Osteonics All Polyethylene Glenoid Shoulder Component · Osteonics Corp. · 19951995200020052010
  1. Root · 1 generation backK950521 Osteonics All Polyethylene Glenoid Shoulder ComponentOsteonics Corp. · 1995
  2. This deviceK103104 Special Orthopaedic Solutions Glenoid Shoulder ComponentHowmedica Osteonics Corp. · 2010
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K950521Osteonics All Polyethylene Glenoid Shoulder ComponentOsteonics Corp.1995—
0 (this device)K103104Special Orthopaedic Solutions Glenoid Shoulder ComponentHowmedica Osteonics Corp.2010—
FIG. 1 — Lineage of K103104, 1995–2010Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

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 KWS? 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 KWS device

  1. #1 K220847 AETOS Shoulder Systemscore 21.1 · 16 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? (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
*K950521Osteonics All Polyethylene Glenoid Shoulder Component
Summary page 2
…s for and intended use, material, operational principles, and bearing sizes as the previously cleared Osteonics All Polyethylene Glenoid Shoulder Component cleared under K95052 1. The subject Special Orthopaedic Solutions Glenoid Shoulder Component device consists of a rotation to the bearing surface of the…
Osteonics Corp.1995—

Also cleared against K950521: 1 other device →

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?

  • Its one ancestor has no recall.
  • 1 other device also cites its predicate K950521.

How does its category compare?

All KWS devices

KWS Prosthesis, Shoulder, Semi-Constrained, Metal/Polymer Cemented: FDA decisions, review times, recalls and adverse event reports over 20 years. 2010, this device’s year, is highlighted.

FDA decisions per year · KWS

3in 2025

2007: 22008: 42009: 42010: 72011: 112012: 72013: 122014: 72015: 82016: 102017: 72018: 42019: 92020: 32021: 52022: 52023: 42024: 22025: 32026 (partial year): 2
2007high 12 (2013) · low 2 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · KWS

97in 2025

2008: 37 days median2009: 108 days median2010: 33 days median2011: 90 days median2012: 86 days median2013: 120 days median2014: 89 days median2015: 129 days median2016: 114 days median2017: 120 days median2018: 152 days median2019: 106 days median2020: 98 days median2021: 151 days median2022: 158 days median2023: 250 days median2025: 97 days median
2007high 250 (2023) · low 33 (2010)2026

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

Recalls per year · KWS

2in 2023

2007: 212008: 292010: 102011: 112012: 102014: 12016: 12017: 42018: 12019: 22020: 52023: 22026 (partial year): 1
2007high 29 (2008) · low 0 (2009)2026

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

Adverse event reports per year · KWS

2,281in 2025

2007: 1582008: 2382009: 2942010: 3932011: 4862012: 5422013: 8182014: 1,0662015: 1,1702016: 9702017: 1,6812018: 1,5452019: 1,7282020: 1,5672021: 1,3582022: 1,2682023: 1,7502024: 2,1222025: 2,281
2007high 2,281 (2025) · low 158 (2007)2025

MAUDE reports naming product code KWS, 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
20072—21158
200843729238
200941080294
201073310393
2011119011486
201278610542
2013121200818
201478911,066
2015812901,170
2016101141970
2017712041,681
2018415211,545
2019910621,728
202039851,567
2021515101,358
2022515801,268
2023425021,750
20242—02,122
202539702,281
20262—1—

What is it indicated for?

The indications for use of the total shoulder arthroplasty include:

* Aseptic necrosis of the humneral head.

* Painful, disabling joint disease of the shoulder resulting from: degenerative arthritis, rheumatoid arthritis or post-traumatic arthritis.

* Proximal humeral fracture and/or dislocation.

* Revision of previous unsuccessfuil total shoulder replacement, resurfacing or other procedure.

* Clinical management problems where arthrodesis or alternative reconstructive techniques are less likely to achieve satisfactory results.

The glenoid components are intended for cemented use only.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K103104: Special Orthopaedic Solutions Glenoid Shoulder Component.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K103104

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

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