SIS Software Version 3.6.0

K192304

Surgical Information Sciences, Inc. · cleared 2019-09-13 · product code LLZ · Radiology

Premarket evidence — what FDA accepted

Device typesamd

source quote (p.3)

“SIS Software is an application intended for use in the viewing, presentation and documentation of medical imaging, including different modules for image processing, image fusion, and intraoperative functional planning where the 3D output can be used with stereotactic image guided surgery or other devices for further processing and visualization.”

Algorithmmachine learning and image processing

source quote (p.4)

“SIS Software uses machine learning and image processing to enhance standard clinical images for the visualization of the subthalamic nucleus (“STN”).”

Adaptive (vs locked)FDA source did not state this

PCCPNo

Cybersecurity addressedNo

Validation studies (1)

Standalone

sample size not stated

endpoints: software functions as specified; MRI to CT registration; objects segmentation; comparability to predicate device

Reported performance (0 observations)

FDA source did not state a quantitative performance metric — non-reporting is itself the signal.

Each value carries its own analysis unit and task — never compare or pool across devices. Source: 510(k) summary PDF.

Predicate network

Postmarket — what happened after clearance

recalls in product code, 24mo

295

MAUDE reports in code, 12mo

+683%

vs code's own 3-yr baseline

drift signals on this device

re_clearance
The FDA AI/ML device list shows a newer 510(k) K241083 (decision 2024-06-14) from Surgical Information Sciences, Inc. for a matching device line ("SIS System") — a new clearance for the same line is a change event.
first seen 2026-07-08 · k_number:K241083
re_clearance
The FDA AI/ML device list shows a newer 510(k) K230977 (decision 2023-05-02) from Surgical Information Sciences, Inc. for a matching device line ("SIS System") — a new clearance for the same line is a change event.
first seen 2026-07-08 · k_number:K230977
re_clearance
The FDA AI/ML device list shows a newer 510(k) K223032 (decision 2022-11-21) from Surgical Information Sciences, Inc. for a matching device line ("SIS System (Version 5.6.0)") — a new clearance for the same line is a change event.
first seen 2026-07-08 · k_number:K223032
re_clearance
The FDA AI/ML device list shows a newer 510(k) K210071 (decision 2021-03-31) from Surgical Information Sciences, Inc. for a matching device line ("SIS System (Version 5.1.0)") — a new clearance for the same line is a change event.
first seen 2026-07-08 · k_number:K210071
adverse_event_inflection
MAUDE adverse-event reports for product code LLZ: 295 in the 12 months ending 2026-06, vs a 37.7/12mo average over the prior 3 windows (+683%). Code-level count — reports are not attributed to this specific device.
first seen 2026-07-08 · openFDA /device/event.json count=date_received product_code=LLZ
recall_reason_pattern
Software/algorithm-related recall in product code LLZ (GE Medical Systems SCS, initiated 2026-05-08): "GE HealthCare has become aware of a context synchronization issue in AW Server 3.2 ext. 6.5. When a user selects a patient or exam in the AW Server Web Client worklist and launches" Recalling firm is another firm in the same product code.
first seen 2026-07-08 · recall res_event_number:99042
…and 24 more.

Recall and MAUDE counts are product-code-level (reports aren't reliably attributable to one device). Signals are descriptive observables with sources — never a judgment that the device is unsafe or drifting. Snapshot 2026-07-08.

Reimbursement — how devices like this got paid

Not yet tracked — no payment pathway indexed for this clearance (the reimbursement corpus is a growing seed set).