510(k) Report

510(k) · Cleared

Recalled · Class II · 2015

miraDry System MD4000

K150419510(k) TraditionalCleared Jun 19, 2015121-day reviewClass II21 CFR 878.4400Recalls 1

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

Miramar Labs, Inc. · OUB Instrument For Treatment Of Hyperhidrosis

Cleared on Jun 19, 2015 as substantially equivalent to K131162 (Miramar Labs, Inc., 2013) after a 121-day review. Its family tree reaches back 10 generations to 1986. 2 later devices descend from it. It has been recalled once.

Decided
Jun 19, 2015
Review
121 days
Class
Class II
Product code
OUB
Recalls
1
Predicates
1

Its longest line of descent runs back 10 generations to K861904 (1986). 23 ancestors in all, the oldest K790187 (1979). 2 later devices descend from it, 1 citing it directly.

  1. Root · 10 generations backK861904 HS-15M Microwave Surgery Equipment, MicrotazeCooper Lasersonics, Inc. · 1986
  2. 6 generations between
  3. 3 generations backK082819 Dermatologic Treatment System (DTS) G2Miramar Labs, Inc. · 2009
  4. 2 generations backK103014 Miradry SystemMiramar Labs, Inc. · 2011 · Recalled
  5. 1 generation backK131162 Miradry SystemMiramar Labs, Inc. · 2013 · Recalled
  6. This deviceK150419 miraDry System MD4000Miramar Labs, Inc. · 2015
  7. Descendant · cites it directly · 1 of its ownK160141 miraDry SystemMiramar Labs, Inc. · 2016
  8. Descendant · 2 generations on · 0 of its ownK180396 miraDry SystemMiramar Labs, Inc. · 2018
Show all 10 generations
  1. Root · 10 generations backK861904 HS-15M Microwave Surgery Equipment, MicrotazeCooper Lasersonics, Inc. · 1986
  2. 9 generations backK011676 Vivawave Microwave SystemVivant Medical, Inc. · 2002 · Recalled
  3. 8 generations backK023311 Loop Microwave Ablation ProbeVivant Medical, Inc. · 2003
  4. 7 generations backK032047 Tri-Loop Microwave Ablation ProbeVivant Medical, Inc. · 2003
  5. 6 generations backK032702 Vivatip Microwave Ablation ProbeVivant Medical, Inc. · 2003
  6. 5 generations backK052919 Microsulis Tissue Ablation SystemMicrosulis Americas, Inc. · 2006
  7. 4 generations backK072870 Microwave Tissue Coagulation System (MTCS)Foundry Newco X, Inc. · 2008
  8. 3 generations backK082819 Dermatologic Treatment System (DTS) G2Miramar Labs, Inc. · 2009
  9. 2 generations backK103014 Miradry SystemMiramar Labs, Inc. · 2011 · Recalled
  10. 1 generation backK131162 Miradry SystemMiramar Labs, Inc. · 2013 · Recalled
  11. This deviceK150419 miraDry System MD4000Miramar Labs, Inc. · 2015

Most influential descendants

Showing 2 of 2 · See all
  • K160141miraDry SystemMiramar Labs, Inc. · 2016 · cites it directly1descendant
  • K180396miraDry SystemMiramar Labs, Inc. · 2018 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−10K861904HS-15M Microwave Surgery Equipment, MicrotazeCooper Lasersonics, Inc.1986—
−9K011676Vivawave Microwave SystemVivant Medical, Inc.20021
−8K023311Loop Microwave Ablation ProbeVivant Medical, Inc.2003—
−7K032047Tri-Loop Microwave Ablation ProbeVivant Medical, Inc.2003—
−6K032702Vivatip Microwave Ablation ProbeVivant Medical, Inc.2003—
−5K052919Microsulis Tissue Ablation SystemMicrosulis Americas, Inc.2006—
−4K072870Microwave Tissue Coagulation System (MTCS)Foundry Newco X, Inc.2008—
−3K082819Dermatologic Treatment System (DTS) G2Miramar Labs, Inc.2009—
−2K103014Miradry SystemMiramar Labs, Inc.20112
−1K131162Miradry SystemMiramar Labs, Inc.20131
0 (this device)K150419miraDry System MD4000Miramar Labs, Inc.2015—
+1K160141miraDry SystemMiramar Labs, Inc.2016—
+2K180396miraDry SystemMiramar Labs, Inc.2018—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
197910
198310
198420
198610
199630
199810
199910
200110
200210
200310

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201610
201810
FIG. 1 — Lineage of K150419, 1986–2018Source: FDA 510(k) summaries, read by 510(k) Report · 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 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 OUB? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

  • Candidate predicates for a device like this, rankedin the report
  • Recall history across each candidate’s familyin the report
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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.

TypeNumberDeviceApplicantDecidedRecalls
*K131162Miradry System
Summary page 5
…Page 2 of 6 Traditional 510(k) – miraDry System MD4000 (K150419) PREDICATE DEVICES The miraDry System MD4000 (K131162). REFERENCE DEVICE The Microwave Delivery System Model MMC-330 (K991456). DEVICE DESCRIPTION The miraDry System MD4000 is a mi…
Miramar Labs, Inc.20131
†K991456Microwave Delivery System, Model MMC-300Microwave Medical, Inc.1999—

What descends from it? (2)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K160141miraDry SystemMiramar Labs, Inc.20161

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

Recalls of this device

DateClassRecallRoot causeReason
Oct 9, 2015Class IIZ-0234-2016Labeling designUpdate to labeling for the miraDry Console to remind users to only use approved lubricants in a thin layer to prevent potential burns and blisters.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 29 years and passes through 5 companies; a new generation was cleared every 1.9 years on median.
  • 4 of the 23 ancestors have a recall of any class.
  • Of its descendants, K160141 (Miramar Labs, Inc., 2016) has gone furthest, with 1 descendant of its own.

How does its category compare?

All OUB devices

OUB Instrument For Treatment Of Hyperhidrosis: FDA decisions, review times, recalls and adverse event reports over 20 years. 2015, this device’s year, is highlighted.

FDA decisions per year · OUB

1in 2015

2011: 12013: 12015: 1
2007high 1 (2011) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · OUB

Too few OUB 510(k)s in any year since 2007 to give a median.

Recalls per year · OUB

1in 2015

2011: 12015: 1
2007high 1 (2011) · low 0 (2007)2026

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

Adverse event reports per year · OUB

52in 2025

2013: 82014: 142015: 582016: 652017: 482018: 1312019: 962020: 392021: 122022: 412023: 492024: 202025: 52
2007high 131 (2018) · low 0 (2007)2025

MAUDE reports naming product code OUB, 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—00
20080—00
20090—00
20100—00
20111—10
20120—00
20131—08
20140—014
20151—158
20160—065
20170—048
20180—0131
20190—096
20200—039
20210—012
20220—041
20230—049
20240—020
20250—052
20260—0—

What is it indicated for?

The miraDry System MD4000 is indicated for use in the treatment of primary axillary hyperhidrosis plus unwanted

underarm hair removal, and permanent reduction of underarm hair of all colors for Fitzpatrick skin types I – IV.

Permanent hair reduction is defined as long-term, stable reduction in the number of hairs regrowing when measured at 6, 9

and 12 months after the completion of a treatment regime.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K150419: miraDry System MD4000.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K150419

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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