510(k) Report

510(k) · Cleared

Cleared

Micropulse Phacoemulsification System

K051186510(k) AbbreviatedCleared Aug 18, 2005101-day reviewClass II21 CFR 886.4670

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Trillium Medical, Inc. · HQC Unit, Phacofragmentation

Cleared on Aug 18, 2005 as substantially equivalent to K981989 (Circuit Tree, 1998) and 1 other predicate after a 101-day review. Its family tree reaches back 1 generation to 1995.

Decided
Aug 18, 2005
Review
101 days
Class
Class II
Product code
HQC
Recalls
None
Predicates
2

Its longest line of descent runs back 1 generation to K954242 (1995). 2 ancestors in all. No later device cites it as a predicate yet.

Other ancestors, by year cleared 1998: 1 other ancestorK954242 · Circuit Tree Phacoemulsifier · Circuit Tree · 1995199619982000200220042006
Other ancestors, by generation 1 generation back: 1 other ancestor K954242 · Circuit Tree Phacoemulsifier · Circuit Tree · 19950
  1. Root · 1 generation backK954242 Circuit Tree PhacoemulsifierCircuit Tree · 1995
  2. This deviceK051186 Micropulse Phacoemulsification SystemTrillium Medical, Inc. · 2005
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K954242Circuit Tree PhacoemulsifierCircuit Tree1995—
0 (this device)K051186Micropulse Phacoemulsification SystemTrillium Medical, Inc.2005—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199810
FIG. 1 — Lineage of K051186, 1995–2005Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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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 HQC? 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 HQC device

  1. #1 K261264 Stellaris Elite™ vision enhancement system…score 13.4 · 8 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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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.

TypeNumberDeviceApplicantDecidedRecalls
*K981989The Wave Digital Phaco System
Summary page 1
…) Indications for Use: Phacoemulsification/extraction with ultrasonic power of cataractous lens from the eye. Predicate Devices: The Wave Digital Phaco System (K981989) Circuit Tree Phacoemulsifier (K954242) Description of Device: The MicroPulse Phacoemulsification Cons…
Circuit Tree1998—
*K954242Circuit Tree Phacoemulsifier
Summary page 1
…ultrasonic power of cataractous lens from the eye. Predicate Devices: The Wave Digital Phaco System (K981989) Circuit Tree Phacoemulsifier (K954242) Description of Device: The MicroPulse Phacoemulsification Console and foot switch, with third party accessories, will emuls…
Circuit Tree1995—

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?

  • None of the 2 ancestors has a recall.

How does its category compare?

All HQC devices

HQC Unit, Phacofragmentation: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · HQC

3in 2025

2008: 42009: 52010: 32011: 52012: 52014: 42015: 32016: 12017: 32019: 42020: 42021: 12022: 42023: 12024: 52025: 32026 (partial year): 3
2007high 5 (2009) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · HQC

267in 2025

2008: 162 days median2009: 131 days median2010: 142 days median2011: 129 days median2012: 125 days median2014: 135 days median2015: 124 days median2017: 214 days median2019: 126 days median2020: 227 days median2022: 245 days median2024: 197 days median2025: 267 days median2026 (partial year): 115 days median
2007high 267 (2025) · low 124 (2015)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · HQC

1in 2025

2008: 12009: 12010: 222011: 42012: 12014: 12018: 22022: 52023: 12025: 1
2007high 22 (2010) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · HQC

1,799in 2025

2007: 3412008: 4442009: 5402010: 2,4312011: 1,8022012: 2,2772013: 2,7722014: 2,7402015: 3,3552016: 3,3742017: 2,7812018: 2,4162019: 2,2872020: 1,2172021: 1,6732022: 1,9072023: 1,7992024: 2,1202025: 1,799
2007high 3,374 (2016) · low 341 (2007)2025

MAUDE reports naming product code HQC, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—0341
200841621444
200951311540
20103142222,431
2011512941,802
2012512512,277
20130—02,772
2014413512,740
2015312403,355
20161—03,374
2017321402,781
20180—22,416
2019412602,287
2020422701,217
20211—01,673
2022424551,907
20231—11,799
2024519702,120
2025326711,799
202631150—

What is it indicated for?

Phacoemulsification/extraction with ultrasonic power of cataractous lens from the eye.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K051186: Micropulse Phacoemulsification System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K051186

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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