510(k) · Cleared
ClearedAugment Off-Axis Instrument System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Fix Surgical · PHX Shoulder Prosthesis, Reverse Configuration
Cleared on Mar 22, 2024 as substantially equivalent to K193373 (Biomet, Inc., 2020) and 2 other predicates after a 177-day review. Its family tree reaches back 14 generations to 1991. 1 of the 94 devices in its family, counting itself, has a Class I recall. 2 later devices descend from it.
- Decided
- Mar 22, 2024
- Review
- 177 days
- Class
- Class II
- Product code
- PHX
- Recalls
- None
- Predicates
- 3
Its longest line of descent runs back 14 generations to K911686 (1991). 91 ancestors in all, the oldest K790987 (1979). 2 later devices descend from it, 1 citing it directly. 1 of the 94 devices in this family, counting this one, has a Class I recall.
- Root · 14 generations backK911686 Global Total Shoulder, Uncement Humeral Hemi-ShoulDepuy, Inc. · 1991
- 10 generations between
- 3 generations backK093803 Bio-Modular Reverse SholderBiomet Manufacturing Corp · 2010
- 2 generations backK131353 Comprehensive Reverse Shoulder - Titanium GlenosphereBiomet Manufacturing Corp · 2013
- 1 generation backK193373 Comprehensive® Reverse ShoulderBiomet, Inc. · 2020 · Recalled
- This deviceK233148 Augment Off-Axis Instrument SystemFix Surgical · 2024
- Descendant · cites it directly · 1 of its ownK241043 Augment Off-Axis Instrument SystemFix Surgical · 2024 · Recalled
- Descendant · 2 generations on · 0 of its ownK261683 Augment Off-Axis Instrument SystemZimmer, Inc. · 2026
Show all 14 generations
- Root · 14 generations backK911686 Global Total Shoulder, Uncement Humeral Hemi-ShoulDepuy, Inc. · 1991
- 13 generations backK984541 Global FX Humeral Stem, Global Advantage Humeral HeadDePuy Orthopaedics, Inc. · 1999
- 12 generations backK992065 Global Advantage Shoulder, Global Advantage Humeral Stem, Global…DePuy Orthopaedics, Inc. · 1999
- 11 generations backK021478 Delta ShoulderDepuy, Inc. · 2003
- 10 generations backK030941 Aequalis Reversed Shoulder ProsthesisTornier · 2004
- 9 generations backK041873 Aequalis Reversed Shoulder ProsthesisTornier · 2004
- 8 generations backK052906 Zimmer Trabecular Metal Reverse Shoulder SystemZimmer, Inc. · 2005 · Recalled
- 7 generations backK060704 Zimmer Trabecular Metal Reverse Shoulder System, Sizes 8MM and 10MMZimmer, Inc. · 2006 · Recalled
- 6 generations backK063569 Equinoxe Reverse Shoulder SystemExactech, Inc. · 2007 · Recalled
- 5 generations backK073688 Equinoxe Reverse Shoulder System Fracture Humeral Adapter Tray and…Exactech, Inc. · 2008 · Recalled
- 4 generations backK080642 Comprehensive Reverse ShoulderBiomet, Inc. · 2008 · Recalled (Class I)
- 3 generations backK093803 Bio-Modular Reverse SholderBiomet Manufacturing Corp · 2010
- 2 generations backK131353 Comprehensive Reverse Shoulder - Titanium GlenosphereBiomet Manufacturing Corp · 2013
- 1 generation backK193373 Comprehensive® Reverse ShoulderBiomet, Inc. · 2020 · Recalled
- This deviceK233148 Augment Off-Axis Instrument SystemFix Surgical · 2024
Class I recalls in this family
- K080642 Comprehensive Reverse Shoulderdirect predicate · 2008
Most influential descendants
Showing 2 of 2 · See allView FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −14 | K911686 | Global Total Shoulder, Uncement Humeral Hemi-Shoul | Depuy, Inc. | 1991 | — |
| −13 | K984541 | Global FX Humeral Stem, Global Advantage Humeral Head | DePuy Orthopaedics, Inc. | 1999 | — |
| −12 | K992065 | Global Advantage Shoulder, Global Advantage Humeral Stem, Global Advantage… | DePuy Orthopaedics, Inc. | 1999 | — |
| −11 | K021478 | Delta Shoulder | Depuy, Inc. | 2003 | — |
| −10 | K030941 | Aequalis Reversed Shoulder Prosthesis | Tornier | 2004 | — |
| −9 | K041873 | Aequalis Reversed Shoulder Prosthesis | Tornier | 2004 | — |
| −8 | K052906 | Zimmer Trabecular Metal Reverse Shoulder System | Zimmer, Inc. | 2005 | 12 |
| −7 | K060704 | Zimmer Trabecular Metal Reverse Shoulder System, Sizes 8MM and 10MM | Zimmer, Inc. | 2006 | 10 |
| −6 | K063569 | Equinoxe Reverse Shoulder System | Exactech, Inc. | 2007 | 13 |
| −5 | K073688 | Equinoxe Reverse Shoulder System Fracture Humeral Adapter Tray and Locking Screw | Exactech, Inc. | 2008 | 1 |
| −4 | K080642 | Comprehensive Reverse Shoulder | Biomet, Inc. | 2008 | Class I |
| −3 | K093803 | Bio-Modular Reverse Sholder | Biomet Manufacturing Corp | 2010 | — |
| −2 | K131353 | Comprehensive Reverse Shoulder - Titanium Glenosphere | Biomet Manufacturing Corp | 2013 | — |
| −1 | K193373 | Comprehensive® Reverse Shoulder | Biomet, Inc. | 2020 | 2 |
| 0 (this device) | K233148 | Augment Off-Axis Instrument System | Fix Surgical | 2024 | — |
| +1 | K241043 | Augment Off-Axis Instrument System | Fix Surgical | 2024 | 5 |
| +2 | K261683 | Augment Off-Axis Instrument System | Zimmer, Inc. | 2026 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1989 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 0 |
| 2003 | 3 | 0 |
| 2004 | 4 | 0 |
| 2005 | 8 | 0 |
| 2006 | 5 | 0 |
| 2007 | 1 | 0 |
| 2008 | 2 | 0 |
| 2011 | 1 | 0 |
| 2012 | 2 | 0 |
| 2013 | 1 | 0 |
| 2016 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2024 | 1 | 0 |
| 2026 | 1 | 0 |
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.
1 device in this family has a Class I recall. 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 PHX device
- #1 K212737 INHANCE™ Reverse Shoulder Systemscore 28.4 · 15 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the 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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K193373 | Comprehensive® Reverse ShoulderSummary page 3…cleared indications for use and contraindications. The instruments for this system are specifically indicated for use with the Comprehensive @ Reverse Shoulder System (K193373) or the Alliance@ Augmented Glenoid System (K193180). Type of Use (Select one or both, as applicable) X Prescr… | 2020 |
| * | K080642 | Comprehensive Reverse ShoulderSummary page 4…II Reviewing Panel: Orthopedic Primary Predicate Device: K193373 – Comprehensive® Reverse Shoulder System Additional Predicates: K080642 – Comprehensive® Reverse Shoulder System K193180 – Alliance® Augmented Glenoid System Device De… | 2008 |
| * | K193180 | Alliance Augmented GlenoidSummary page 3…The instruments for this system are specifically indicated for use with the Comprehensive @ Reverse Shoulder System (K193373) or the Alliance@ Augmented Glenoid System (K193180). Type of Use (Select one or both, as applicable) X Prescription Use (Part 21 CFR 801 Subpart D) E Ov… | 2020 |
What descends from it? (2)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K241043 | Augment Off-Axis Instrument System | 2024 | 1 |
Has anything in its family been recalled? (1 Class I)
No FDA recall names this device.
Relatives with a Class I recall
Class I is FDA’s most serious recall class. A recall in the family tree is context for this device, not evidence about it.
- K080642Comprehensive Reverse ShoulderBiomet, Inc. · 2008 · Direct predicate · ◆ on the line of descent in FIG. 11 Class I recall
What does this lineage say?
- The line of descent spans 33 years and passes through 8 companies; a new generation was cleared every 1.3 years on median.
- 32 of the 91 ancestors have a recall of any class; 1 has a Class I recall.
- Of its descendants, K241043 (Fix Surgical, 2024) has gone furthest, with 1 descendant of its own.
- 6 other devices also cite its predicate K193373.
How does its category compare?
All PHX devicesPHX Shoulder Prosthesis, Reverse Configuration: FDA decisions, review times, recalls and adverse event reports over 20 years. 2024, this device’s year, is highlighted.
FDA decisions per year · PHX
9in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · PHX
72in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · PHX
3in 2025
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · PHX
2,848in 2025
MAUDE reports naming product code PHX, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 5 | 97 | 0 | 0 |
| 2008 | 6 | 79 | 0 | 0 |
| 2009 | 1 | — | 0 | 0 |
| 2010 | 8 | 124 | 0 | 0 |
| 2011 | 12 | 94 | 0 | 0 |
| 2012 | 12 | 114 | 0 | 0 |
| 2013 | 8 | 143 | 0 | 0 |
| 2014 | 12 | 110 | 0 | 0 |
| 2015 | 4 | 206 | 2 | 14 |
| 2016 | 4 | 132 | 0 | 5 |
| 2017 | 11 | 141 | 0 | 25 |
| 2018 | 14 | 127 | 1 | 323 |
| 2019 | 9 | 144 | 3 | 504 |
| 2020 | 13 | 143 | 3 | 986 |
| 2021 | 21 | 143 | 8 | 1,404 |
| 2022 | 9 | 198 | 0 | 1,342 |
| 2023 | 9 | 154 | 7 | 1,401 |
| 2024 | 9 | 139 | 1 | 2,142 |
| 2025 | 9 | 72 | 3 | 2,848 |
| 2026 | 18 | 130 | 7 | — |
What is it indicated for?
The Augment Off-Axis Instrument System consists of specialized instruments intended to prepare anatomy prior to implantation of Comprehensive® Reverse Shoulder System components in reverse total shoulder arthroplasty procedures or Alliance® Augmented Glenoid System components in anatomic total shoulder arthroplasty procedures in accordance with their respective cleared indications for use and contraindications.
The instruments for this system are specifically indicated for use with the Comprehensive ® Reverse Shoulder System (K193373) or the Alliance® Augmented Glenoid System (K193180).
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K233148 · printed Nov 6, 2026
Cite this page
510(k) Report. “K233148: Augment Off-Axis Instrument System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K233148
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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