510(k) · Cleared
ClearedSymbia.Net
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Siemens Medical Solutions USA, Inc. · LLZ System, Image Processing, Radiological
Cleared on Apr 20, 2011 as substantially equivalent to K100619 (Siemens Medical Solutions USA, Inc., 2010) and 1 other predicate after a 23-day review. Its family tree reaches back 8 generations to 1995. 1 of the 28 devices in its family, counting itself, has a Class I recall.
- Decided
- Apr 20, 2011
- Review
- 23 days
- Class
- Class II
- Product code
- LLZ
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 8 generations to K952674 (1995). 27 ancestors in all, the oldest K892358 (1989). No later device cites it as a predicate yet. 1 of the 28 devices in this family, counting this one, has a Class I recall.
- Root · 8 generations backK952674 Transact: Attenuation Correction System for the Apex Cardial Gamma…Elscint, Inc. · 1995 · Recalled
- 7 generations backK980959 Vtransact: Attenuation Correction System for Dual-Head Variable…Ge Medical Systems F.I. Haifa · 1998
- 6 generations backK991841 Hawkeye Option for Dual-Head Variable Angle Gamma CameraGe Medical Systems F.I. Haifa · 1999 · Recalled (Class I)
- 5 generations backK023190 E.Cam Computer / E.Soft WorkstationSiemens Medical Solutions USA, Inc. · 2002
- 4 generations backK063826 Syngo MI Applications 2007ASiemens Medical Solutions USA, Inc. · 2007
- 3 generations backK072567 Symbia-E, Model 10275879Siemens Medical Solutions USA, Inc. · 2007 · Recalled
- 2 generations backK082506 Symbia, Version 4.0Siemens Medical Solutions USA, Inc. · 2008 · Recalled
- 1 generation backK100619 Symbia.Net, Symbia.Net Select Model 10520828, 10520827Siemens Medical Solutions USA, Inc. · 2010
- This deviceK110844 Symbia.NetSiemens Medical Solutions USA, Inc. · 2011
Class I recalls in this family
- K991841 Hawkeye Option for Dual-Head Variable Angle…3 generations back · 1999
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −8 | K952674 | Transact: Attenuation Correction System for the Apex Cardial Gamma Camera | Elscint, Inc. | 1995 | 1 |
| −7 | K980959 | Vtransact: Attenuation Correction System for Dual-Head Variable Angle Gamma… | Ge Medical Systems F.I. Haifa | 1998 | — |
| −6 | K991841 | Hawkeye Option for Dual-Head Variable Angle Gamma Camera | Ge Medical Systems F.I. Haifa | 1999 | Class I |
| −5 | K023190 | E.Cam Computer / E.Soft Workstation | Siemens Medical Solutions USA, Inc. | 2002 | — |
| −4 | K063826 | Syngo MI Applications 2007A | Siemens Medical Solutions USA, Inc. | 2007 | — |
| −3 | K072567 | Symbia-E, Model 10275879 | Siemens Medical Solutions USA, Inc. | 2007 | 2 |
| −2 | K082506 | Symbia, Version 4.0 | Siemens Medical Solutions USA, Inc. | 2008 | 9 |
| −1 | K100619 | Symbia.Net, Symbia.Net Select Model 10520828, 10520827 | Siemens Medical Solutions USA, Inc. | 2010 | — |
| 0 (this device) | K110844 | Symbia.Net | Siemens Medical Solutions USA, Inc. | 2011 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1989 | 1 | 0 |
| 1991 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 2 | 0 |
| 2005 | 1 | 0 |
| 2007 | 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 LLZ device
- #1 K230955 syngo Application Softwarescore 21.5 · 11 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 |
|---|---|---|---|
| * | K100619 | Symbia.Net, Symbia.Net Select Model 10520828, 10520827Summary page 2…ich Equivalence is claimed Device Manufacturer 510(k) Number Symbia.net (2009A) Siemens Medical Solutions USA, K100619 Inc Symbia 4.0 (Ml Siemens Medical Solutions USA, K(082506 Applications 2009A)… | 2010 |
| * | K082506 | Symbia, Version 4.0Summary page 2…bia.net (2009A) Siemens Medical Solutions USA, K100619 Inc Symbia 4.0 (Ml Siemens Medical Solutions USA, K(082506 Applications 2009A) Inc Device Descrigtion Symbianet introduces clientiserver functionality allowing the MI Applicat… | 2008 |
What descends from it?
No later submission names this one as a predicate yet.
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.
- K991841Hawkeye Option for Dual-Head Variable Angle Gamma CameraGe Medical Systems F.I. Haifa · 1999 · 3 generations back · ◆ on the line of descent in FIG. 11 Class I recall
What does this lineage say?
- The line of descent spans 16 years and passes through 3 companies; a new generation was cleared every 1.5 years on median.
- 13 of the 27 ancestors have a recall of any class; 1 has a Class I recall.
How does its category compare?
All LLZ devicesLLZ System, Image Processing, Radiological: FDA decisions, review times, recalls and adverse event reports over 20 years. 2011, this device’s year, is highlighted.
FDA decisions per year · LLZ
58in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · LLZ
173in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · LLZ
11in 2025
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · LLZ
116in 2025
MAUDE reports naming product code LLZ, 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 | 76 | 36 | 20 | 152 |
| 2008 | 94 | 52 | 32 | 154 |
| 2009 | 70 | 62 | 21 | 145 |
| 2010 | 51 | 98 | 17 | 145 |
| 2011 | 106 | 79 | 30 | 454 |
| 2012 | 82 | 87 | 12 | 266 |
| 2013 | 95 | 84 | 64 | 1,130 |
| 2014 | 78 | 89 | 6 | 15,631 |
| 2015 | 64 | 90 | 16 | 211 |
| 2016 | 82 | 90 | 12 | 290 |
| 2017 | 78 | 107 | 5 | 104 |
| 2018 | 104 | 105 | 7 | 72 |
| 2019 | 74 | 107 | 2 | 88 |
| 2020 | 81 | 115 | 6 | 82 |
| 2021 | 83 | 116 | 3 | 70 |
| 2022 | 65 | 137 | 4 | 28 |
| 2023 | 87 | 157 | 8 | 26 |
| 2024 | 62 | 131 | 6 | 42 |
| 2025 | 58 | 173 | 11 | 116 |
| 2026 | 45 | 110 | 14 | — |
What is it indicated for?
The Siemens Symbia series is intended for use by appropriately trained health care professionals to aid in detecting, localizing, diagnosing, staging and restaging of lesions, tumors, disease and organ function for the evaluation of diseases and disorders such as, but not limited to, cardiovascular disease, neurological disorders and cancer. The images produced by the system can also be used by the physician to aid in radiotherapy treatment planning and…
Read the full statement (104 words)
The Siemens Symbia series is intended for use by appropriately trained health care professionals to aid in detecting, localizing, diagnosing, staging and restaging of lesions, tumors, disease and organ function for the evaluation of diseases and disorders such as, but not limited to, cardiovascular disease, neurological disorders and cancer. The images produced by the system can also be used by the physician to aid in radiotherapy treatment planning and interventional radiology procedures.
Software: The MI Applications software is a display and analysis package intended to aid the clinician in the assessment and quantification of pathologies taken from SPECT, PET, CT and other imaging modalities.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K110844 · printed Nov 4, 2026
Cite this page
510(k) Report. “K110844: Symbia.Net.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K110844
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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