510(k) Report

510(k) · Cleared

Cleared

Mentor Ultrasound Assisted Tissue Removal System (TRS)

K970471510(k) TraditionalCleared Jul 17, 1997160-day reviewClass U

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

Mentor Corp. · LFL Instrument, Ultrasonic Surgical

Cleared on Jul 17, 1997 as substantially equivalent to K962525 (Morwel Corp., 1996) and 1 other predicate after a 160-day review. Its family tree reaches back 1 generation to 1991. 52 later devices descend from it.

Decided
Jul 17, 1997
Review
160 days
Class
Class U
Product code
LFL
Recalls
None
Predicates
2

Its longest line of descent runs back 1 generation to K910696 (1991). 2 ancestors in all. 52 later devices descend from it, 4 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1996: 1 other ancestor1998: 2 descendants cleared2002: 1 descendant cleared2001: 1 descendant cleared2004: 2 descendants cleared2012: 7 descendants cleared2011: 1 descendant cleared2010: 5 descendants cleared2005: 1 descendant cleared2009: 2 descendants cleared2007: 2 descendants cleared2025: 1 descendant cleared2019: 4 descendants cleared2017: 5 descendants cleared2008: 1 descendant cleared2024: 1 descendant cleared2026: 2 descendants cleared2014: 4 descendants cleared2013: 1 descendant cleared2015: 2 descendants cleared2020: 2 descendants cleared2018: 1 descendant cleared2021: 2 descendants cleared2016: 1 descendant cleared2022: 1 descendant clearedK910696 · Cusa (R) System 200C/200T/200M/200H Ultra Aspirator · Valleylab, Inc. · 19911990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor 1 generation forward: 4 descendants2 generations forward: 4 descendants3 generations forward: 8 descendants4 generations forward: 9 descendants5 generations forward: 12 descendants6 generations forward: 9 descendants7 generations forward: 1 descendant8 generations forward: 3 descendants9 generations forward: 1 descendant10 generations forward: 1 descendant K910696 · Cusa (R) System 200C/200T/200M/200H Ultra Aspirator · Valleylab, Inc. · 19910+5+10
  1. Root · 1 generation backK910696 Cusa (R) System 200C/200T/200M/200H Ultra AspiratorValleylab, Inc. · 1991
  2. This deviceK970471 Mentor Ultrasound Assisted Tissue Removal System (TRS)Mentor Corp. · 1997
  3. Descendant · cites it directly · 49 of its ownK004005 Mentor Ultrasound-Assisted Tissue Removal System (Current), Mentor…Mentor Corp. · 2001
  4. Descendant · cites it directly · 49 of its ownK983065 Mentor Ultrasound-Assisted Tissue Removal SystemMentor Corp. · 1998
  5. Descendant · cites it directly · 48 of its ownK022051 Soundvaser SystemSound Surgical Technologies, LLC · 2002 · Recalled
  6. Descendant · 2 generations on · 36 of its ownK042261 Macropore Puricel Lipoplasty SystemMacropore Biosurgery, Inc. · 2004
  7. Descendant · 3 generations on · 34 of its ownK072587 Cytori Aft SystemCytori Therapeutics, Inc. · 2007

Showing 5 of 52 descendants. See all descendants

Descendants cleared per year

1998: 22001: 12002: 12004: 22005: 12007: 22008: 12009: 22010: 52011: 12012: 72013: 12014: 42015: 22016: 12017: 52018: 12019: 42020: 22021: 22022: 12024: 12025: 12026: 2
1998high 7 (2012) · low 0 (1999)2026

Most influential descendants

Showing 5 of 52 · See all
  • K004005Mentor Ultrasound-Assisted Tissue Removal System (Current), Mentor Contour Genesis…Mentor Corp. · 2001 · cites it directly49descendants
  • K983065Mentor Ultrasound-Assisted Tissue Removal SystemMentor Corp. · 1998 · cites it directly49descendants
  • K022051Soundvaser SystemSound Surgical Technologies, LLC · 2002 · cites it directly48descendants
  • K042261Macropore Puricel Lipoplasty SystemMacropore Biosurgery, Inc. · 2004 · 2 generations on36descendants
  • K072587Cytori Aft SystemCytori Therapeutics, Inc. · 2007 · 3 generations on34descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K910696Cusa (R) System 200C/200T/200M/200H Ultra AspiratorValleylab, Inc.1991—
0 (this device)K970471Mentor Ultrasound Assisted Tissue Removal System (TRS)Mentor Corp.1997—
+1K004005Mentor Ultrasound-Assisted Tissue Removal System (Current), Mentor Contour…Mentor Corp.2001—
+1K983065Mentor Ultrasound-Assisted Tissue Removal SystemMentor Corp.1998—
+1K022051Soundvaser SystemSound Surgical Technologies, LLC20022
+2K042261Macropore Puricel Lipoplasty SystemMacropore Biosurgery, Inc.2004—
+3K072587Cytori Aft SystemCytori Therapeutics, Inc.2007—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199610

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199820
200110
200210
200420
200510
200720
200810
200920
201050
201110
201270
201310
201440
201520
201610
201750
201810
201940
202020
202120
202210
202410
202510
202620
FIG. 1 — Lineage of K970471, 1991–2026Source: 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 LFL? 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 LFL device

  1. #1 K261448 neXus Ultrasonic Surgical Aspirator Systemscore 14.5 · 10 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
*K962525Ultra-Safe Ultrasonic Aspirator System
Summary page 2
…antially equivalent to pre-amendment devices as outlined in the following table: Table 1 Manufacturer Product 510(k) Number Morwel Corporation Ultra-Safe Ultrasonic K962525 Aspiration System Valleylab Valleylab CUSA System K910696 000014 - HEALTY ~‘\«° 4, ERVIC, .8 £S5 Yy, %, ¥vaaq…
Morwel Corp.1996—
*K910696Cusa (R) System 200C/200T/200M/200H Ultra Aspirator
Summary page 2
…n the following table: Table 1 Manufacturer Product 510(k) Number Morwel Corporation Ultra-Safe Ultrasonic K962525 Aspiration System Valleylab Valleylab CUSA System K910696 000014 - HEALTY ~‘\«° 4, ERVIC, .8 £S5 Yy, %, ¥vaaq (C DEPARTMENT OF HEALTH & HUMAN SERVICES Public Health S…
Valleylab, Inc.1991—

Also cleared against K962525: 2 other devices →

What descends from it? (52)

See all 52

4 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K004005Mentor Ultrasound-Assisted Tissue Removal System (Current), Mentor Contour Genesis…Mentor Corp.200149
K983065Mentor Ultrasound-Assisted Tissue Removal SystemMentor Corp.199849
K022051Soundvaser SystemSound Surgical Technologies, LLC200248
K980895Allegro Ultrasonic Soft Tissue AspiratorCalifornia Institute of Tissue Eng. & Instrumenti19980

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.
  • Of its descendants, K004005 (Mentor Corp., 2001) has gone furthest, with 49 descendants of its own.
  • 2 other devices also cite its predicate K962525.

How does its category compare?

All LFL devices

LFL Instrument, Ultrasonic Surgical: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · LFL

3in 2025

2007: 72008: 22009: 12010: 22011: 32012: 32013: 52014: 32015: 42016: 52017: 22018: 32019: 42020: 42021: 62022: 82023: 42024: 32025: 32026 (partial year): 3
2007high 8 (2022) · low 1 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LFL

176in 2025

2007: 99 days median2011: 241 days median2012: 82 days median2013: 73 days median2014: 136 days median2015: 99 days median2016: 111 days median2018: 66 days median2019: 103 days median2020: 190 days median2021: 83 days median2022: 168 days median2023: 104 days median2024: 158 days median2025: 176 days median2026 (partial year): 99 days median
2007high 241 (2011) · low 66 (2018)2026

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

Recalls per year · LFL

11in 2024

2010: 32011: 22012: 52014: 12015: 12017: 12019: 422021: 12023: 22024: 112026 (partial year): 1
2007high 42 (2019) · low 0 (2007)2026

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

Adverse event reports per year · LFL

3,857in 2025

2007: 2,2362008: 1,6782009: 3,3242010: 1,2392011: 1,0532012: 1,4912013: 2,4302014: 4,2602015: 2,7772016: 2,6912017: 3,2672018: 3,4612019: 3,1532020: 2,9342021: 3,2892022: 3,4222023: 4,2152024: 4,0172025: 3,857
2007high 4,260 (2014) · low 1,053 (2011)2025

MAUDE reports naming product code LFL, 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
200779902,236
20082—01,678
20091—03,324
20102—31,239
2011324121,053
201238251,491
201357302,430
2014313614,260
201549912,777
2016511102,691
20172—13,267
201836603,461
20194103423,153
2020419002,934
202168313,289
2022816803,422
2023410424,215
20243158114,017
2025317603,857
20263991—

What is it indicated for?

The Mentor Ultrasound Assisted Tissue Removal System is indicated for use for the liquefication and aspiration of soft tissues in General Surgery, Plastic and Reconstructive Surgery and Gynecological Surgery applications.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K970471: Mentor Ultrasound Assisted Tissue Removal System (TRS).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K970471

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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