510(k) · Cleared
ClearedMicroliter Dosing Syringe (9, 20, 25, 37.5, 50 and 100 microliter models)
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Congruence Medical Solutions, LLC · QLY Ophthalmic Syringe
Cleared on Dec 20, 2024 as substantially equivalent to K200242 (Tribofilm Research, Inc., 2020) after an 81-day review. Its family tree reaches back 6 generations to 1993.
- Decided
- Dec 20, 2024
- Review
- 81 days
- Class
- Class II
- Product code
- QLY
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 6 generations to K931367 (1993). 22 ancestors in all, the oldest K822083 (1982). No later device cites it as a predicate yet.
- Root · 6 generations backK931367 Vacutainer Brand Luer AdapterBd Becton Dickinson Vacutainer Systems Preanalytic · 1993
- 5 generations backK021475 BD Single Lumen Needle, Syringe and Blood Collection SetBd · 2002 · Recalled
- 4 generations backK070440 BD Hypoint NeedleBecton, Dickinson & CO · 2007
- 3 generations backK072739 Jierui Syringes and NeedlesShandong Weigao Group Medical Polymer Co., Ltd. · 2008
- 2 generations backK163161 Sterile Single-use Syringe with NeedleJiangxi Hongda Medical Equipment Group, Ltd. · 2017
- 1 generation backK200242 StaClear SyringeTribofilm Research, Inc. · 2020
- This deviceK243149 Microliter Dosing Syringe (9, 20, 25, 37.5, 50 and 100 microliter…Congruence Medical Solutions, LLC · 2024
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −6 | K931367 | Vacutainer Brand Luer Adapter | Bd Becton Dickinson Vacutainer Systems Preanalytic | 1993 | — |
| −5 | K021475 | BD Single Lumen Needle, Syringe and Blood Collection Set | Bd | 2002 | 3 |
| −4 | K070440 | BD Hypoint Needle | Becton, Dickinson & CO | 2007 | — |
| −3 | K072739 | Jierui Syringes and Needles | Shandong Weigao Group Medical Polymer Co., Ltd. | 2008 | — |
| −2 | K163161 | Sterile Single-use Syringe with Needle | Jiangxi Hongda Medical Equipment Group, Ltd. | 2017 | — |
| −1 | K200242 | StaClear Syringe | Tribofilm Research, Inc. | 2020 | — |
| 0 (this device) | K243149 | Microliter Dosing Syringe (9, 20, 25, 37.5, 50 and 100 microliter models) | Congruence Medical Solutions, LLC | 2024 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1982 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 2 | 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.
Planning a device in QLY? 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 QLY device
- #1 K243936 StaClear Syringe (SC250AN); StaClear Syringe…score 13.6 · 6 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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K200242 | StaClear SyringeSummary page 5…StaClear Syringe Applicant TriboFilm Research, Inc. 510(k) Number K200242 Clearance Date July 27, 2020 Common Name… | 2020 |
What descends from it?
No later submission names this one as a predicate yet.
Has anything in its family been recalled? (0 Class I)
No FDA recall names this device.
No ancestor or descendant has a Class I recall.
What does this lineage say?
- The line of descent spans 31 years and passes through 7 companies; a new generation was cleared every 4.7 years on median.
- 3 of the 22 ancestors have a recall of any class.
- 3 other devices also cite its predicate K200242.
How does its category compare?
All QLY devicesQLY Ophthalmic Syringe: FDA decisions, review times, recalls and adverse event reports over 20 years. 2024, this device’s year, is highlighted.
FDA decisions per year · QLY
4in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · QLY
176in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · QLY
No recall names QLY since 2007.
Adverse event reports per year · QLY
1in 2022
MAUDE reports naming product code QLY, 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 | 0 | — | 0 | 0 |
| 2008 | 0 | — | 0 | 0 |
| 2009 | 0 | — | 0 | 0 |
| 2010 | 0 | — | 0 | 0 |
| 2011 | 0 | — | 0 | 0 |
| 2012 | 0 | — | 0 | 0 |
| 2013 | 0 | — | 0 | 0 |
| 2014 | 0 | — | 0 | 0 |
| 2015 | 0 | — | 0 | 0 |
| 2016 | 0 | — | 0 | 0 |
| 2017 | 0 | — | 0 | 0 |
| 2018 | 0 | — | 0 | 0 |
| 2019 | 0 | — | 0 | 0 |
| 2020 | 1 | — | 0 | 0 |
| 2021 | 0 | — | 0 | 0 |
| 2022 | 0 | — | 0 | 1 |
| 2023 | 1 | — | 0 | 0 |
| 2024 | 1 | — | 0 | 0 |
| 2025 | 4 | 176 | 0 | 0 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
The Microliter Dosing Syringe is intended to inject fluid into, or withdraw fluid from the body.
The Microliter Dosing Syringe is indicated for intravitreal use.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K243149 · printed Nov 6, 2026
Cite this page
510(k) Report. “K243149: Microliter Dosing Syringe (9, 20, 25, 37.5, 50 and 100 microliter models).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K243149
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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