510(k) · Cleared
ClearedCatalyst R1 Reverse Shoulder System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Catalyst Orthoscience, Inc. · PHX Shoulder Prosthesis, Reverse Configuration
Cleared on Sep 20, 2023 as substantially equivalent to K211991 (Catalyst Orthoscience, Inc., 2021) and 1 other predicate after a 26-day review. Its family tree reaches back 19 generations to 1991. 1 of the 201 devices in its family, counting itself, has a Class I recall. 1 later device descends from it.
- Decided
- Sep 20, 2023
- Review
- 26 days
- Class
- Class II
- Product code
- PHX
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 19 generations to K911686 (1991). 199 ancestors in all, the oldest K790987 (1979). 1 later device descends from it, 1 citing it directly. 1 of the 201 devices in this family, counting this one, has a Class I recall.
- Root · 19 generations backK911686 Global Total Shoulder, Uncement Humeral Hemi-ShoulDepuy, Inc. · 1991
- 15 generations between
- 3 generations backK190290 AltiVate Reverse Humeral Stem, 48mmEncore Medical L.P. · 2019
- 2 generations backK202611 Catalyst OrthoScience R1 Reverse Shoulder SystemCatalyst Orthoscience, Inc. · 2021
- 1 generation backK211991 Catalyst R1 Reverse Shoulder SystemCatalyst Orthoscience, Inc. · 2021
- This deviceK232583 Catalyst R1 Reverse Shoulder SystemCatalyst Orthoscience, Inc. · 2023
- Descendant · cites it directly · 0 of its ownK234105 Catalyst F1x Shoulder SystemCatalyst Orthoscience, Inc. · 2024
Show all 19 generations
- Root · 19 generations backK911686 Global Total Shoulder, Uncement Humeral Hemi-ShoulDepuy, Inc. · 1991
- 18 generations backK984541 Global FX Humeral Stem, Global Advantage Humeral HeadDePuy Orthopaedics, Inc. · 1999
- 17 generations backK992065 Global Advantage Shoulder, Global Advantage Humeral Stem, Global…DePuy Orthopaedics, Inc. · 1999
- 16 generations backK021478 Delta ShoulderDepuy, Inc. · 2003
- 15 generations backK030941 Aequalis Reversed Shoulder ProsthesisTornier · 2004
- 14 generations backK041873 Aequalis Reversed Shoulder ProsthesisTornier · 2004
- 13 generations backK052906 Zimmer Trabecular Metal Reverse Shoulder SystemZimmer, Inc. · 2005 · Recalled
- 12 generations backK060704 Zimmer Trabecular Metal Reverse Shoulder System, Sizes 8MM and 10MMZimmer, Inc. · 2006 · Recalled
- 11 generations backK063569 Equinoxe Reverse Shoulder SystemExactech, Inc. · 2007 · Recalled
- 10 generations backK073688 Equinoxe Reverse Shoulder System Fracture Humeral Adapter Tray and…Exactech, Inc. · 2008 · Recalled
- 9 generations backK080642 Comprehensive Reverse ShoulderBiomet, Inc. · 2008 · Recalled (Class I)
- 8 generations backK110599 Aequalis Ascend Modular Reverse Shoulder SystemTornier, Inc. · 2011
- 7 generations backK112615 Aequalis Ascend Modular Reverse Shoulder SystemTornier, Inc. · 2011
- 6 generations backK122698 Aequalis Ascend Flex Shoulder SystemTornier S.A.S. · 2013 · Recalled
- 5 generations backK141990 Encore Humeral Shoulder StemEncore Medical L.P. · 2014 · Recalled
- 4 generations backK172351 AltiVate Reverse Humeral Stem, AltiVate Reverse Small Spacer…Encore Medical L.P. · 2017 · Recalled
- 3 generations backK190290 AltiVate Reverse Humeral Stem, 48mmEncore Medical L.P. · 2019
- 2 generations backK202611 Catalyst OrthoScience R1 Reverse Shoulder SystemCatalyst Orthoscience, Inc. · 2021
- 1 generation backK211991 Catalyst R1 Reverse Shoulder SystemCatalyst Orthoscience, Inc. · 2021
- This deviceK232583 Catalyst R1 Reverse Shoulder SystemCatalyst Orthoscience, Inc. · 2023
Class I recalls in this family
- K080642 Comprehensive Reverse Shoulder5 generations back · 2008
Most influential descendants
Showing 1 of 1 · See all- K234105Catalyst F1x Shoulder SystemCatalyst Orthoscience, Inc. · 2024 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −19 | K911686 | Global Total Shoulder, Uncement Humeral Hemi-Shoul | Depuy, Inc. | 1991 | — |
| −18 | K984541 | Global FX Humeral Stem, Global Advantage Humeral Head | DePuy Orthopaedics, Inc. | 1999 | — |
| −17 | K992065 | Global Advantage Shoulder, Global Advantage Humeral Stem, Global Advantage… | DePuy Orthopaedics, Inc. | 1999 | — |
| −16 | K021478 | Delta Shoulder | Depuy, Inc. | 2003 | — |
| −15 | K030941 | Aequalis Reversed Shoulder Prosthesis | Tornier | 2004 | — |
| −14 | K041873 | Aequalis Reversed Shoulder Prosthesis | Tornier | 2004 | — |
| −13 | K052906 | Zimmer Trabecular Metal Reverse Shoulder System | Zimmer, Inc. | 2005 | 12 |
| −12 | K060704 | Zimmer Trabecular Metal Reverse Shoulder System, Sizes 8MM and 10MM | Zimmer, Inc. | 2006 | 10 |
| −11 | K063569 | Equinoxe Reverse Shoulder System | Exactech, Inc. | 2007 | 13 |
| −10 | K073688 | Equinoxe Reverse Shoulder System Fracture Humeral Adapter Tray and Locking Screw | Exactech, Inc. | 2008 | 1 |
| −9 | K080642 | Comprehensive Reverse Shoulder | Biomet, Inc. | 2008 | Class I |
| −8 | K110599 | Aequalis Ascend Modular Reverse Shoulder System | Tornier, Inc. | 2011 | — |
| −7 | K112615 | Aequalis Ascend Modular Reverse Shoulder System | Tornier, Inc. | 2011 | — |
| −6 | K122698 | Aequalis Ascend Flex Shoulder System | Tornier S.A.S. | 2013 | 2 |
| −5 | K141990 | Encore Humeral Shoulder Stem | Encore Medical L.P. | 2014 | 3 |
| −4 | K172351 | AltiVate Reverse Humeral Stem, AltiVate Reverse Small Spacer, Altivate… | Encore Medical L.P. | 2017 | 3 |
| −3 | K190290 | AltiVate Reverse Humeral Stem, 48mm | Encore Medical L.P. | 2019 | — |
| −2 | K202611 | Catalyst OrthoScience R1 Reverse Shoulder System | Catalyst Orthoscience, Inc. | 2021 | — |
| −1 | K211991 | Catalyst R1 Reverse Shoulder System | Catalyst Orthoscience, Inc. | 2021 | — |
| 0 (this device) | K232583 | Catalyst R1 Reverse Shoulder System | Catalyst Orthoscience, Inc. | 2023 | — |
| +1 | K234105 | Catalyst F1x Shoulder System | Catalyst Orthoscience, Inc. | 2024 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 10 | 0 |
| 1996 | 8 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 12 | 0 |
| 2001 | 7 | 0 |
| 2002 | 5 | 0 |
| 2003 | 8 | 0 |
| 2004 | 6 | 0 |
| 2005 | 10 | 0 |
| 2006 | 12 | 0 |
| 2007 | 7 | 0 |
| 2008 | 9 | 0 |
| 2009 | 2 | 0 |
| 2010 | 4 | 0 |
| 2011 | 7 | 0 |
| 2012 | 5 | 0 |
| 2013 | 8 | 0 |
| 2014 | 6 | 0 |
| 2015 | 2 | 0 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 1 | 0 |
| 2020 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2024 | 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? (2)
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 |
|---|---|---|---|
| * | K211991 | Catalyst R1 Reverse Shoulder SystemSummary page 4…: Class II Product Code: PHX – Shoulder Prosthesis, Reverse Configuration Primary Predicate: Catalyst R1 Reverse Shoulder System K211991 Additional Predicate: TORNIER (Stryker) Aequalis Ascend Flex Shoulder System K151293 Devi… | 2021 |
| * | K151293 | Aequalis Ascend Flex Shoulder System, Aequalis Reversed Shoulder ProsthesisSummary page 4…Catalyst R1 Reverse Shoulder System K211991 Additional Predicate: TORNIER (Stryker) Aequalis Ascend Flex Shoulder System K151293 Device Description: The Catalyst OrthoScience R1 Reverse Shoulder System is a total shoulder prosthesis designed for use in pati… | 2015 |
What descends from it? (1)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K234105 | Catalyst F1x Shoulder System | 2024 | 0 |
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 · 5 generations back · ◆ on the line of descent in FIG. 11 Class I recall
What does this lineage say?
- The line of descent spans 32 years and passes through 10 companies; a new generation was cleared every 1.2 years on median.
- 55 of the 199 ancestors have a recall of any class; 1 has a Class I recall.
- Of its descendants, K234105 (Catalyst Orthoscience, Inc., 2024) has gone furthest, with 0 descendants of its own.
- 1 other device also cites its predicate K211991.
How does its category compare?
All PHX devicesPHX Shoulder Prosthesis, Reverse Configuration: FDA decisions, review times, recalls and adverse event reports over 20 years. 2023, 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 Catalyst R1 Reverse Shoulder System is a reverse total shoulder replacement for patients with a functional deltoid muscle and a grossly deficient rotator cuff joint suffering from pain and dysfunction due to: • Severe arthropathy with a grossly deficient rotator cuff; • Previously failed joint replacement with a grossly deficient rotator cuff; • Fracture of glenohumeral joint from trauma or pathologic conditions of the shoulder including humeral head…
Read the full statement (141 words)
The Catalyst R1 Reverse Shoulder System is a reverse total shoulder replacement for patients with a functional deltoid muscle and a grossly deficient rotator cuff joint suffering from pain and dysfunction due to:
• Severe arthropathy with a grossly deficient rotator cuff;
• Previously failed joint replacement with a grossly deficient rotator cuff;
• Fracture of glenohumeral joint from trauma or pathologic conditions of the shoulder including humeral head fracture, displaced 3- or 4-part fractures of proximal humerus, or reconstruction after tumor resection;
• Bone defect in proximal humerus;
• Non-inflammatory degenerative disease including osteoarthritis and avascular necrosis of the natural humeral head and/or glenoid;
• Inflammatory arthritis including rheumatoid arthritis;
• Correction of functional deformity
The humeral stems are intended for cemented or uncemented applications.
The glenoid baseplate is intended for uncemented use with the addition of screws for fixation.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K232583 · printed Nov 5, 2026
Cite this page
510(k) Report. “K232583: Catalyst R1 Reverse Shoulder System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K232583
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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