# K131129: Cas Psi Shoulder

- Pathway: 510(k) (Traditional)
- Applicant: Zimmer Cas
- Decided: Aug 20, 2013 after 120 days
- Product code: KWS (Prosthesis, Shoulder, Semi-Constrained, Metal/Polymer Cemented)
- Device class: 2
- Regulation: 21 CFR 888.3660
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 7 generations back to K911686 (1991). 41 ancestors in all.
39 later devices descend from it; 2 cite it directly.
0 of 81 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K112389: Surgicase Connect, Surgicase Guide, Materialise NV (2012) Summary page 1.
- K121640: Zimmer Patient Specific Instruments System, Materialise NV (2012) Summary page 1.
- K123122: Glenoid Intelligent Reusable Instrument System (Glenoid Iris), Cleveland Clinic (2013) Summary page 1.

## Most influential descendants
- K143374: BLUEPRINT Patient Specific Instrumentation (2015), 31 descendants of its own
- K160555: BLUEPRINT Patient Specific Instrumentation (2016), 25 descendants of its own
- K162800: BLUEPRINT Patient Specific Instrumentation (2017), 23 descendants of its own
- K203315: BLUEPRINT™ Patient Specific Instrumentation (2021), 18 descendants of its own
- K150730: Zimmer PSI Shoulder System (2015), 11 descendants of its own

## Indications for use
The CAS PSI Shoulder is indicated, based on patient-specific radiological images with identifiable placement anatomical landmarks, to assist in pre-operative planning and/or intra-operative guiding of surgical instruments for shoulder replacement surgical procedures on patients not otherwise precluded from being radiologically scanned. The CAS PSI Shoulder is to be used with the Zimmer® Trabecular Metal™ Reverse Shoulder Baseplate in accordance with the implant system's indications and contraindications. The CAS PSI Shoulder hardware components (jigs and bone model) are intended for single use only.

Source page: https://510kreport.com/device/K131129
Methodology: https://510kreport.com/methodology