510(k) Report

510(k) · Cleared

Recalled · Class II · 2016

Ultroid Hemorrhoid Management System

K023706510(k) TraditionalCleared Jan 14, 200371-day reviewClass II21 CFR 876.4300Recalls 4

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

Ultroid, LLC · KNS Unit, Electrosurgical, Endoscopic (With Or Without Accessories)

Cleared on Jan 14, 2003 after a 71-day review. FDA’s file for it is a 510(k) statement, which names no predicate. It has been recalled 4 times.

Decided
Jan 14, 2003
Review
71 days
Class
Class II
Product code
KNS
Recalls
4
Predicates
0

FDA’s file for it is a 510(k) statement, which names no predicate.

FIG. 1 — Lineage of K023706Source: FDA 510(k) database · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA 510(k) statement (indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in KNS? 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 KNS device

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What was it cleared against?

FDA’s file for it is a 510(k) statement, which names no predicate.

What descends from it?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (0 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Oct 19, 2016Class IIZ-0785-2017Process controlProducts are not designed, qualified, manufactured, and/or managed under a state of control per internal quality system procedures and external laws, regulations, directives, standards, and/or guidance (such as 21 CFR 820 Quality System…
Oct 19, 2016Class IIZ-0782-2017Process controlProducts are not designed, qualified, manufactured, and/or managed under a state of control per internal quality system procedures and external laws, regulations, directives, standards, and/or guidance (such as 21 CFR 820 Quality System…
Oct 19, 2016Class IIZ-0783-2017Process controlProducts are not designed, qualified, manufactured, and/or managed under a state of control per internal quality system procedures and external laws, regulations, directives, standards, and/or guidance (such as 21 CFR 820 Quality System…
Oct 19, 2016Class IIZ-0784-2017Process controlProducts are not designed, qualified, manufactured, and/or managed under a state of control per internal quality system procedures and external laws, regulations, directives, standards, and/or guidance (such as 21 CFR 820 Quality System…

No ancestor or descendant has a Class I recall.

How does its category compare?

All KNS devices

KNS Unit, Electrosurgical, Endoscopic (With Or Without Accessories): FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · KNS

11in 2025

2007: 12008: 32009: 32010: 42011: 12012: 22013: 22014: 12015: 32016: 32017: 32018: 52019: 72020: 42021: 42022: 32023: 92024: 32025: 112026 (partial year): 2
2007high 11 (2025) · low 1 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · KNS

171in 2025

2008: 61 days median2009: 212 days median2010: 168 days median2015: 252 days median2016: 30 days median2017: 48 days median2018: 62 days median2019: 66 days median2020: 212 days median2021: 139 days median2022: 182 days median2023: 83 days median2024: 198 days median2025: 171 days median
2007high 252 (2015) · low 30 (2016)2026

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

Recalls per year · KNS

14in 2024

2007: 32008: 52009: 22011: 22016: 62017: 12021: 412024: 142026 (partial year): 4
2007high 41 (2021) · low 0 (2010)2026

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

Adverse event reports per year · KNS

1,504in 2025

2007: 1642008: 5872009: 1,0272010: 9082011: 8602012: 8482013: 4492014: 4052015: 4062016: 4572017: 4462018: 5632019: 6682020: 9062021: 8142022: 9132023: 9762024: 1,5332025: 1,504
2007high 1,533 (2024) · low 164 (2007)2025

MAUDE reports naming product code KNS, 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
20071—3164
20083615587
2009321221,027
201041680908
20111—2860
20122—0848
20132—0449
20141—0405
201532520406
20163306457
20173481446
20185620563
20197660668
202042120906
2021413941814
202231820913
20239830976
20243198141,533
20251117101,504
20262—4—

What is it indicated for?

The Ultroid Hemorrhoid Management system is intended for physician use only. It is intended for coagulative hemostatic therapy of internal hemorrhoids grades I, II, III, IV.

Indications for use as stated in the FDA 510(k) statement.

Cite this page

510(k) Report. “K023706: Ultroid Hemorrhoid Management System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K023706

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Page last updated Nov 3, 2026