510(k) · Cleared
ClearedLeltek Ultrasound Imaging System (Model: LU700 Series)
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Leltek, Inc. · IYN System, Imaging, Pulsed Doppler, Ultrasonic
Cleared on Oct 25, 2022 as substantially equivalent to K210432 (Leltek, Inc., 2021) after an 82-day review. Its family tree reaches back 22 generations to 1995. 6 of the 223 devices in its family, counting itself, have a Class I recall. 7 later devices descend from it.
- Decided
- Oct 25, 2022
- Review
- 82 days
- Class
- Class II
- Product code
- IYN
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 22 generations to K935595 (1995). 215 ancestors in all, the oldest K850478 (1985). 7 later devices descend from it, 3 citing it directly. 6 of the 223 devices in this family, counting this one, have a Class I recall.
- Root · 22 generations backK935595 Acuson Model 3001Acuson Corp. · 1995
- 18 generations between
- 3 generations backK172385 Clarius Ultrasound SystemClarius Mobile Health Corp. · 2017
- 2 generations backK191235 Leltek Ultrasound Imaging SystemLeltek, Inc. · 2020
- 1 generation backK210432 LELTEK Ultrasound Imaging System (Model: LU700 Series)Leltek, Inc. · 2021
- This deviceK222365 Leltek Ultrasound Imaging System (Model: LU700 Series)Leltek, Inc. · 2022
- Descendant · cites it directly · 3 of its ownK241161 Ultrasound Imaging System (LK128L); Ultrasound Imaging System…Leltek, Inc. · 2024
- Descendant · 2 generations on · 1 of its ownK243226 Ultrasound Imaging System (LU700 Series); Ultrasound Imaging System…Leltek, Inc. · 2025
- Descendant · cites it directly · 1 of its ownK242681 NUSONO Handheld Ultrasound Scanner (NUSONO-C35); NUSONO Handheld…Nurodata, Inc. · 2025
- Descendant · 2 generations on · 0 of its ownK261288 Handheld Ultrasound ScannerImgfax CO., LTD. · 2026
- Descendant · 3 generations on · 0 of its ownK261132 Healium Intelliscan LX192LCHealium Intelliscan Corporation · 2026
Show all 22 generations
- Root · 22 generations backK935595 Acuson Model 3001Acuson Corp. · 1995
- 21 generations backK973767 Harmonic Imaging with ContrastAcuson Corp. · 1997
- 20 generations backK022567 Sequoia Signature II Diagnostic Ultrasound SystemAcuson Corp. · 2002
- 19 generations backK032114 Sequoia 8.0 Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2003
- 18 generations backK041319 Sequoia Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2004
- 17 generations backK042770 Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc. · 2004 · Recalled
- 16 generations backK050240 Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc. · 2005 · Recalled
- 15 generations backK052894 Sonoline G60 S Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2005 · Recalled
- 14 generations backK063138 Modification to Acuson Antares Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2006
- 13 generations backK063803 Acuson Antares Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc., Ultrasound DI · 2007 · Recalled
- 12 generations backK072786 Acuson S2000 Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2007
- 11 generations backK091970 Aixplorer Ultrasound SystemSupersonic Imagine · 2009
- 10 generations backK102041 AixplorerSupersonic Imagine · 2010
- 9 generations backK112255 AixplorerSupersonic Imagine · 2012
- 8 generations backK130499 IU22 Diagnostic Ultrasound SystemPhilips Ultrasound, Inc. · 2013 · Recalled
- 7 generations backK132304 Epiq Diagnostic Ultrasound SystemPhilips Ultrasound, Inc. · 2013 · Recalled
- 6 generations backK133833 Nuvis Diagnostic Ultrasound SystemPhilips Ultrasound, Inc. · 2014 · Recalled
- 5 generations backK152899 Philips Lumify Diagnostic Ultrasound SystemPhilips Healthcare, Inc. · 2015 · Recalled
- 4 generations backK163138 Clarius Ultrasound SystemClarius Mobile Health Corp. · 2016
- 3 generations backK172385 Clarius Ultrasound SystemClarius Mobile Health Corp. · 2017
- 2 generations backK191235 Leltek Ultrasound Imaging SystemLeltek, Inc. · 2020
- 1 generation backK210432 LELTEK Ultrasound Imaging System (Model: LU700 Series)Leltek, Inc. · 2021
- This deviceK222365 Leltek Ultrasound Imaging System (Model: LU700 Series)Leltek, Inc. · 2022
Showing 5 of 7 descendants. See all descendants
Descendants cleared per year
Class I recalls in this family
Most influential descendants
Showing 5 of 7 · See all- K241161Ultrasound Imaging System (LK128L); Ultrasound Imaging System (LK128LH); Ultrasound…Leltek, Inc. · 2024 · cites it directly3descendants
- K243226Ultrasound Imaging System (LU700 Series); Ultrasound Imaging System (128 Series)…Leltek, Inc. · 2025 · 2 generations on1descendant
- K242681NUSONO Handheld Ultrasound Scanner (NUSONO-C35); NUSONO Handheld Ultrasound Scanner…Nurodata, Inc. · 2025 · cites it directly1descendant
- K261288Handheld Ultrasound ScannerImgfax CO., LTD. · 2026 · 2 generations on0descendants
- K261132Healium Intelliscan LX192LCHealium Intelliscan Corporation · 2026 · 3 generations on0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −22 | K935595 | Acuson Model 3001 | Acuson Corp. | 1995 | — |
| −21 | K973767 | Harmonic Imaging with Contrast | Acuson Corp. | 1997 | — |
| −20 | K022567 | Sequoia Signature II Diagnostic Ultrasound System | Acuson Corp. | 2002 | — |
| −19 | K032114 | Sequoia 8.0 Diagnostic Ultrasound System | Siemens Medical Solutions USA, Inc. | 2003 | — |
| −18 | K041319 | Sequoia Diagnostic Ultrasound System | Siemens Medical Solutions USA, Inc. | 2004 | — |
| −17 | K042770 | Modification to Acuson CV70 Cardiovascular System | Siemens Medical Solutions USA, Inc. | 2004 | 1 |
| −16 | K050240 | Modification to Acuson CV70 Cardiovascular System | Siemens Medical Solutions USA, Inc. | 2005 | 1 |
| −15 | K052894 | Sonoline G60 S Ultrasound System | Siemens Medical Solutions USA, Inc. | 2005 | 1 |
| −14 | K063138 | Modification to Acuson Antares Ultrasound System | Siemens Medical Solutions USA, Inc. | 2006 | — |
| −13 | K063803 | Acuson Antares Diagnostic Ultrasound System | Siemens Medical Solutions USA, Inc., Ultrasound DI | 2007 | 9 |
| −12 | K072786 | Acuson S2000 Ultrasound System | Siemens Medical Solutions USA, Inc. | 2007 | — |
| −11 | K091970 | Aixplorer Ultrasound System | Supersonic Imagine | 2009 | — |
| −10 | K102041 | Aixplorer | Supersonic Imagine | 2010 | — |
| −9 | K112255 | Aixplorer | Supersonic Imagine | 2012 | — |
| −8 | K130499 | IU22 Diagnostic Ultrasound System | Philips Ultrasound, Inc. | 2013 | 2 |
| −7 | K132304 | Epiq Diagnostic Ultrasound System | Philips Ultrasound, Inc. | 2013 | 36 |
| −6 | K133833 | Nuvis Diagnostic Ultrasound System | Philips Ultrasound, Inc. | 2014 | 3 |
| −5 | K152899 | Philips Lumify Diagnostic Ultrasound System | Philips Healthcare, Inc. | 2015 | 4 |
| −4 | K163138 | Clarius Ultrasound System | Clarius Mobile Health Corp. | 2016 | — |
| −3 | K172385 | Clarius Ultrasound System | Clarius Mobile Health Corp. | 2017 | — |
| −2 | K191235 | Leltek Ultrasound Imaging System | Leltek, Inc. | 2020 | — |
| −1 | K210432 | LELTEK Ultrasound Imaging System (Model: LU700 Series) | Leltek, Inc. | 2021 | — |
| 0 (this device) | K222365 | Leltek Ultrasound Imaging System (Model: LU700 Series) | Leltek, Inc. | 2022 | — |
| +1 | K241161 | Ultrasound Imaging System (LK128L); Ultrasound Imaging System (LK128LH)… | Leltek, Inc. | 2024 | — |
| +2 | K243226 | Ultrasound Imaging System (LU700 Series); Ultrasound Imaging System (128… | Leltek, Inc. | 2025 | — |
| +1 | K242681 | NUSONO Handheld Ultrasound Scanner (NUSONO-C35); NUSONO Handheld Ultrasound… | Nurodata, Inc. | 2025 | — |
| +2 | K261288 | Handheld Ultrasound Scanner | Imgfax CO., LTD. | 2026 | — |
| +3 | K261132 | Healium Intelliscan LX192LC | Healium Intelliscan Corporation | 2026 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 7 | 0 |
| 1995 | 7 | 0 |
| 1996 | 8 | 1 |
| 1997 | 10 | 0 |
| 1998 | 15 | 3 |
| 1999 | 17 | 0 |
| 2000 | 14 | 1 |
| 2001 | 15 | 0 |
| 2002 | 17 | 0 |
| 2003 | 13 | 0 |
| 2004 | 13 | 1 |
| 2005 | 11 | 0 |
| 2006 | 3 | 0 |
| 2007 | 4 | 0 |
| 2008 | 2 | 0 |
| 2009 | 3 | 0 |
| 2010 | 3 | 0 |
| 2011 | 2 | 0 |
| 2012 | 3 | 0 |
| 2013 | 3 | 0 |
| 2014 | 1 | 0 |
| 2015 | 2 | 0 |
| 2016 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2024 | 1 | 0 |
| 2025 | 3 | 0 |
| 2026 | 3 | 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.
6 devices in this family have 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 IYN device
- #1 K240850 EPIQ Series Diagnostic Ultrasound Systems…score 32.1 · 24 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (1)
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.
What descends from it? (7)
3 later devices cite it directly; ranked here by how many devices descend from each in turn.
Has anything in its family been recalled? (6 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.
- K040050Instatrak System with Multiple Dataset Navigation, Model IT3500Ge Medical Systems Navigation and Visualization IN · 2004 · 10 generations back · ◆ in the 2004 ancestors bar of FIG. 11 Class I recall
- K994270Instatrak 3000 System with Fluorotrak Module, Model IT3000Visualization Technology, Inc. · 2000 · 10 generations back · ◆ in the 2000 ancestors bar of FIG. 12 Class I recalls
- K983529Instatrak 3000Visualization Technology, Inc. · 1998 · 10 generations back · ◆ in the 1998 ancestors bar of FIG. 11 Class I recall
- K982994Skull Base Instatrak SystemVisualization Technology, Inc. · 1998 · 10 generations back · ◆ in the 1998 ancestors bar of FIG. 11 Class I recall
- K981998Pediatric Instatrak SystemVisualization Technology, Inc. · 1998 · 10 generations back · ◆ in the 1998 ancestors bar of FIG. 11 Class I recall
- K960330InstatrakVisualization Technology, Inc. · 1996 · 10 generations back · ◆ in the 1996 ancestors bar of FIG. 11 Class I recall
Nearest 5 of 6; all are on the web page.
What does this lineage say?
- The line of descent spans 27 years and passes through 8 companies; a new generation was cleared every 12 months on median.
- 52 of the 215 ancestors have a recall of any class; 6 have a Class I recall.
- Of its descendants, K241161 (Leltek, Inc., 2024) has gone furthest, with 3 descendants of its own.
How does its category compare?
All IYN devicesIYN System, Imaging, Pulsed Doppler, Ultrasonic: FDA decisions, review times, recalls and adverse event reports over 20 years. 2022, this device’s year, is highlighted.
FDA decisions per year · IYN
57in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · IYN
124in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · IYN
10in 2025
Class I (1 since 2007) Class II/III not classified
Adverse event reports per year · IYN
610in 2025
MAUDE reports naming product code IYN, 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 | 13 | 26 | 16 | 3 |
| 2008 | 25 | 18 | 12 | 2 |
| 2009 | 18 | 29 | 8 | 9 |
| 2010 | 29 | 67 | 10 | 17 |
| 2011 | 39 | 46 | 8 | 18 |
| 2012 | 43 | 37 | 3 | 20 |
| 2013 | 51 | 60 | 8 | 18 |
| 2014 | 56 | 39 | 2 | 48 |
| 2015 | 54 | 55 | 3 | 116 |
| 2016 | 60 | 56 | 2 | 145 |
| 2017 | 64 | 83 | 0 | 146 |
| 2018 | 59 | 85 | 7 | 85 |
| 2019 | 47 | 79 | 0 | 59 |
| 2020 | 57 | 72 | 4 | 67 |
| 2021 | 46 | 105 | 8 | 213 |
| 2022 | 53 | 105 | 10 | 186 |
| 2023 | 44 | 115 | 4 | 229 |
| 2024 | 50 | 119 | 1 | 266 |
| 2025 | 57 | 124 | 10 | 610 |
| 2026 | 44 | 107 | 2 (1) | — |
What is it indicated for?
The Leltek Ultrasound Imaging System (Model: LU700 Series) is a software-based imaging system and accessories intended for use by qualified physicians and healthcare professionals who has the ability to conduct ultrasound scan process for evaluation by ultrasound imaging system or fluid flow analysis of the human body. The modes of operation include B mode, M mode, PWD mode, Color Doppler (CD) mode, Power Doppler mode, and the combined mode (B+M, B+CD…
Read the full statement (232 words)
The Leltek Ultrasound Imaging System (Model: LU700 Series) is a software-based imaging system and accessories intended for use by qualified physicians and healthcare professionals who has the ability to conduct ultrasound scan process for evaluation by ultrasound imaging system or fluid flow analysis of the human body.
The modes of operation include B mode, M mode, PWD mode, Color Doppler (CD) mode, Power Doppler mode, and the combined mode (B+M, B+CD, B+PWD). Specific clinical applications and exam types including:
LU700L
General abdominal imaging,Pediatric,Small organ (thyroid, prostate, scrotum, breast),Neonatal cephalic,Musculoskeletal (conventional),Musculoskeletal (superficial),Peripheral vessel ,Other (Carotid),Pulmonary,interventional guidance (free hand needle/ catheter)
LU710L
Ophthalmic,General abdominal imaging,Pediatric,Small organ (thyroid, prostate, scrotum, breast),Neonatal cephalic,Musculoskeletal (conventional),Musculoskeletal (superficial),Peripheral vessel ,Other (Carotid),Pulmonary,interventional guidance (free hand needle/ catheter)
LU710LH
Ophthalmic,General abdominal imaging,Pediatric,Small organ (thyroid, prostate, scrotum, breast),Neonatal cephalic,Musculoskeletal (conventional),Musculoskeletal (superficial),Peripheral vessel ,Other (Carotid),Pulmonary,interventional guidance (free hand needle/ catheter)
LU700C
General abdominal imaging,Musculoskeletal (conventional),Musculoskeletal (superficial),OB/Gyn,Peripheral vessel ,interventional guidance (free hand needle/ catheter)
LU710C
Fetal,General abdominal imaging,Pediatric,Small organ (thyroid, prostate, scrotum, breast),Urology,Musculoskeletal (conventional),OB/Gyn,Cardiac (adult),Cardiac (pediatric),Peripheral vessel ,interventional guidance (free hand needle/ catheter)
LU710M
Fetal,General abdominal imaging,Pediatric,Small organ (thyroid, prostate, scrotum, breast),Neonatal cephalic,Urology,Musculoskeletal (conventional),OB/Gyn,Cardiac (adult),Cardiac (pediatric),Peripheral vessel ,interventional guidance (free hand needle/ catheter)
LU710PA
Fetal,General abdominal imaging,Pediatric,Cardiac (adult),Cardiac (pediatric),Pulmonary
LU710E
Fetal,General abdominal imaging,Pediatric,Small organ (thyroid, prostate, scrotum, breast),Trans-rectal,Trans-vaginal,Urology,OB/Gyn,interventional guidance (free hand needle/ catheter)
The clinical environments where the system can be used include physician offices, clinics, hospitals, and clinical point-of-care for diagnosis of patients.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K222365 · printed Nov 5, 2026
Cite this page
510(k) Report. “K222365: Leltek Ultrasound Imaging System (Model: LU700 Series).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K222365
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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