510(k) Report

510(k) · Cleared

Cleared

G5 Apparatus T, K1, K3 & the President Model's

K850851510(k) TraditionalCleared Jun 25, 1985116-day reviewClass I21 CFR 890.5660

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

Physio Technology, Inc. · ISA Massager, Therapeutic, Electric

Cleared on Jun 25, 1985 after a 116-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 157 later devices descend from it.

Decided
Jun 25, 1985
Review
116 days
Class
Class I
Product code
ISA
Recalls
None
Predicates
0

157 later devices descend from it, 1 citing it directly.

Descendants, by year cleared 2000: 1 descendant cleared2006: 4 descendants cleared2009: 5 descendants cleared2005: 1 descendant cleared2008: 1 descendant cleared2007: 2 descendants cleared2010: 4 descendants cleared2019: 9 descendants cleared2014: 4 descendants cleared2017: 11 descendants cleared2015: 6 descendants cleared2013: 6 descendants cleared2016: 14 descendants cleared2018: 3 descendants cleared2012: 3 descendants cleared2011: 1 descendant cleared2022: 12 descendants cleared2021: 11 descendants cleared2020: 7 descendants cleared2026: 11 descendants cleared2025: 18 descendants cleared2023: 11 descendants cleared2024: 12 descendants cleared1990200020102020
  1. This deviceK850851 G5 Apparatus T, K1, K3 & the President Model'sPhysio Technology, Inc. · 1985
  2. Descendant · cites it directly · 156 of its ownK990445 LPG Therapeutic Massager, Models -Esi, Therapeutic Massager/VibratorLpg USA, Inc. · 2000
  3. Descendant · 2 generations on · 150 of its ownK050397 Velasmooth, ShaperSyneron Medical, Ltd. · 2005
  4. Descendant · 3 generations on · 128 of its ownK070092 Modification to Velasmooth, ShaperSyneron Medical, Ltd. · 2007
  5. Descendant · 3 generations on · 127 of its ownK071872 VelashapeSyneron Medical, Ltd. · 2007
  6. Descendant · 2 generations on · 101 of its ownK080300 Cutera Multimodal Cellulite Product (Cmmcd)Cutera, Inc. · 2008

Showing 5 of 157 descendants. See all descendants

Descendants cleared per year

2000: 12005: 12006: 42007: 22008: 12009: 52010: 42011: 12012: 32013: 62014: 42015: 62016: 142017: 112018: 32019: 92020: 72021: 112022: 122023: 112024: 122025: 182026: 11
2000high 18 (2025) · low 0 (2001)2026

Most influential descendants

Showing 5 of 157 · See all
  • K990445LPG Therapeutic Massager, Models -Esi, Therapeutic Massager/VibratorLpg USA, Inc. · 2000 · cites it directly156descendants
  • K050397Velasmooth, ShaperSyneron Medical, Ltd. · 2005 · 2 generations on150descendants
  • K070092Modification to Velasmooth, ShaperSyneron Medical, Ltd. · 2007 · 3 generations on128descendants
  • K071872VelashapeSyneron Medical, Ltd. · 2007 · 3 generations on127descendants
  • K080300Cutera Multimodal Cellulite Product (Cmmcd)Cutera, Inc. · 2008 · 2 generations on101descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K850851G5 Apparatus T, K1, K3 & the President Model'sPhysio Technology, Inc.1985—
+1K990445LPG Therapeutic Massager, Models -Esi, Therapeutic Massager/VibratorLpg USA, Inc.2000—
+2K050397Velasmooth, ShaperSyneron Medical, Ltd.2005—
+3K070092Modification to Velasmooth, ShaperSyneron Medical, Ltd.2007—
+3K071872VelashapeSyneron Medical, Ltd.2007—
+2K080300Cutera Multimodal Cellulite Product (Cmmcd)Cutera, Inc.2008—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200010
200510
200640
200720
200810
200950
201040
201110
201230
201360
201440
201560
2016140
2017110
201830
201990
202070
2021110
2022120
2023110
2024120
2025180
2026110
FIG. 1 — Lineage of K850851, 1985–2026Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

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

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

Planning a device in ISA? 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 ISA device

  1. #1 K243488 Vmat Proscore 13.0 · 15 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

What was it cleared against?

FDA has not posted a summary or statement for it, so its predicates are not known.

What descends from it? (157)

See all 157

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

NumberDeviceApplicantDecidedDescendants
K990445LPG Therapeutic Massager, Models -Esi, Therapeutic Massager/VibratorLpg USA, Inc.2000156

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?

  • Of its descendants, K990445 (Lpg USA, Inc., 2000) has gone furthest, with 156 descendants of its own.

How does its category compare?

All ISA devices

ISA Massager, Therapeutic, Electric: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · ISA

1in 2025

2018: 22021: 12022: 22023: 22024: 12025: 1
2007high 2 (2018) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · ISA

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

Recalls per year · ISA

2in 2025

2008: 12011: 12025: 22026 (partial year): 1
2007high 2 (2025) · low 0 (2007)2026

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

Adverse event reports per year · ISA

16in 2025

2007: 22008: 102009: 32010: 12011: 32012: 22013: 52014: 62015: 62016: 122017: 62018: 22019: 62020: 62021: 32022: 82023: 142024: 132025: 16
2007high 16 (2025) · low 1 (2010)2025

MAUDE reports naming product code ISA, 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—02
20080—110
20090—03
20100—01
20110—13
20120—02
20130—05
20140—06
20150—06
20160—012
20170—06
20182—02
20190—06
20200—06
20211—03
20222—08
20232—014
20241—013
20251—216
20260—1—
Cite this page

510(k) Report. “K850851: G5 Apparatus T, K1, K3 & the President Model's.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K850851

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Record history
  • FDA decision record loaded May 2, 2026
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026