510(k) Report

510(k) · Cleared

Cleared

Ness L300 System Kit, Left, Ness L300 System Kit, Right, Small Ness L300 System Kit, Right, Small Ness L300 System Kit,

K120853510(k) SpecialCleared Apr 20, 201230-day reviewClass II21 CFR 882.5810

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

Bioness, Inc. · GZI Stimulator, Neuromuscular, External Functional

Cleared on Apr 20, 2012 after a 30-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 11 later devices descend from it.

Decided
Apr 20, 2012
Review
30 days
Class
Class II
Product code
GZI
Recalls
None
Predicates
0

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

Descendants, by year cleared 2012: 1 descendant cleared2017: 1 descendant cleared2018: 1 descendant cleared2021: 1 descendant cleared2023: 1 descendant cleared2019: 2 descendants cleared2020: 1 descendant cleared2022: 2 descendants cleared2025: 1 descendant cleared2010201520202025
  1. This deviceK120853 Ness L300 System Kit, Left, Ness L300 System Kit, Right, Small Ness…Bioness, Inc. · 2012
  2. Descendant · cites it directly · 10 of its ownK122784 Ness L300 System Kit, Lef Model LG3-5100; Ness L300 System Kit…Bioness, Inc. · 2012
  3. Descendant · 2 generations on · 9 of its ownK162407 L300 Go SystemBioness, Inc. · 2017
  4. Descendant · 3 generations on · 7 of its ownK173682 L300 Go SystemBioness, Inc. · 2018
  5. Descendant · 4 generations on · 5 of its ownK190285 L300 Go SystemBioness, Inc. · 2019
  6. Descendant · 5 generations on · 2 of its ownK213622 Cionic Neural Sleeve NS-100Cionic · 2022

Showing 5 of 11 descendants. See all descendants

Descendants cleared per year

2012: 12017: 12018: 12019: 22020: 12021: 12022: 22023: 12025: 1
2012high 2 (2019) · low 0 (2013)2026

Most influential descendants

Showing 5 of 11 · See all
  • K122784Ness L300 System Kit, Lef Model LG3-5100; Ness L300 System Kit, Right Model LG3-5000…Bioness, Inc. · 2012 · cites it directly10descendants
  • K162407L300 Go SystemBioness, Inc. · 2017 · 2 generations on9descendants
  • K173682L300 Go SystemBioness, Inc. · 2018 · 3 generations on7descendants
  • K190285L300 Go SystemBioness, Inc. · 2019 · 4 generations on5descendants
  • K213622Cionic Neural Sleeve NS-100Cionic · 2022 · 5 generations on2descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K120853Ness L300 System Kit, Left, Ness L300 System Kit, Right, Small Ness L300…Bioness, Inc.2012—
+1K122784Ness L300 System Kit, Lef Model LG3-5100; Ness L300 System Kit, Right Model…Bioness, Inc.2012—
+2K162407L300 Go SystemBioness, Inc.2017—
+3K173682L300 Go SystemBioness, Inc.2018—
+4K190285L300 Go SystemBioness, Inc.2019—
+5K213622Cionic Neural Sleeve NS-100Cionic2022—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201210
201710
201810
201920
202010
202110
202220
202310
202510
FIG. 1 — Lineage of K120853, 2012–2025Source: 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), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in GZI? 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 GZI device

  1. #1 K243828 Cionic Neural Sleeve (NS-200)score 12.9 · 13 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?

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

What descends from it? (11)

See all 11

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

NumberDeviceApplicantDecidedDescendants
K122784Ness L300 System Kit, Lef Model LG3-5100; Ness L300 System Kit, Right Model LG3-5000…Bioness, Inc.201210

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, K122784 (Bioness, Inc., 2012) has gone furthest, with 10 descendants of its own.

How does its category compare?

All GZI devices

GZI Stimulator, Neuromuscular, External Functional: FDA decisions, review times, recalls and adverse event reports over 20 years. 2012, this device’s year, is highlighted.

FDA decisions per year · GZI

2in 2025

2007: 42008: 12009: 12011: 62012: 22013: 22014: 32015: 12016: 12017: 62018: 22019: 22020: 22021: 12022: 42023: 12024: 22025: 2
2007high 6 (2011) · low 0 (2010)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · GZI

110in 2022

2007: 81 days median2011: 139 days median2014: 299 days median2017: 168 days median2022: 110 days median
2007high 299 (2014) · low 81 (2007)2026

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

Recalls per year · GZI

1in 2008

2008: 1
2007high 1 (2008) · low 0 (2007)2026

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

Adverse event reports per year · GZI

3in 2025

2007: 12008: 22009: 82010: 12011: 32012: 22014: 22015: 32017: 22018: 12019: 42021: 12022: 32023: 12024: 12025: 3
2007high 8 (2009) · low 0 (2013)2025

MAUDE reports naming product code GZI, 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
200748101
20081—12
20091—08
20100—01
2011613903
20122—02
20132—00
2014329902
20151—03
20161—00
2017616802
20182—01
20192—04
20202—00
20211—01
2022411003
20231—01
20242—01
20252—03
20260—0—
Cite this page

510(k) Report. “K120853: Ness L300 System Kit, Left, Ness L300 System Kit, Right, Small Ness L300 System Kit, Right, Small Ness L300 System Kit,.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K120853

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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