510(k) Report

510(k) · Cleared

Cleared

RT300 FES cycle ergometer

K162470510(k) TraditionalCleared Jul 11, 2017308-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

Restorative Therapies, Inc. · GZI Stimulator, Neuromuscular, External Functional

Cleared on Jul 11, 2017 as substantially equivalent to K090750 (Restorative Therapies, Inc., 2009) and 1 other predicate after a 308-day review. Its family tree reaches back 7 generations to 1984.

Decided
Jul 11, 2017
Review
308 days
Class
Class II
Product code
GZI
Recalls
None
Predicates
2

Its longest line of descent runs back 7 generations to K841112 (1984). 9 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 7 generations backK841112 Tti Rehabilatation Gym SysTherapeutic Technologies, Inc. · 1984
  2. 6 generations backK060032 RT300-S, Model FA100052; RT300-SP, Model FA100053Restorative Therapies, Inc. · 2006
  3. 5 generations backK071113 RT300-S, Model FA100052, RT300-SP (Pediatric Version), Model FA100053Restorative Therapies, Inc. · 2007
  4. 4 generations backK071486 RT300-S, RT300-SP (Pediatric Version), Model FA100052, FA100053Restorative Therapies, Inc. · 2007
  5. 3 generations backK072398 RT300-S and RT300-SP Fes Cycle ErgometerRestorative Therapies, Inc. · 2007
  6. 2 generations backK090750 RT300-SL, Model FA100052; RT300-Slsa, Model FA104581Restorative Therapies, Inc. · 2009
  7. 1 generation backK160614 Xcite Clinical StationRestorative Therapies, Inc. · 2016
  8. This deviceK162470 RT300 FES cycle ergometerRestorative Therapies, Inc. · 2017
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−7K841112Tti Rehabilatation Gym SysTherapeutic Technologies, Inc.1984—
−6K060032RT300-S, Model FA100052; RT300-SP, Model FA100053Restorative Therapies, Inc.2006—
−5K071113RT300-S, Model FA100052, RT300-SP (Pediatric Version), Model FA100053Restorative Therapies, Inc.2007—
−4K071486RT300-S, RT300-SP (Pediatric Version), Model FA100052, FA100053Restorative Therapies, Inc.2007—
−3K072398RT300-S and RT300-SP Fes Cycle ErgometerRestorative Therapies, Inc.2007—
−2K090750RT300-SL, Model FA100052; RT300-Slsa, Model FA104581Restorative Therapies, Inc.2009—
−1K160614Xcite Clinical StationRestorative Therapies, Inc.2016—
0 (this device)K162470RT300 FES cycle ergometerRestorative Therapies, Inc.2017—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200410
200710
FIG. 1 — Lineage of K162470, 1984–2017Source: 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 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? (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
*K090750RT300-SL, Model FA100052; RT300-Slsa, Model FA104581
Summary page 4
…Class: II Product Code: GZI (3) Identification of the legally marketed device to which the submitter claims equivalence: RESTORATIVE THERAPIES, INC. product: “RT300”, K090750 RESTORATIVE THERAPIES, INC. product: “Xcite Clinical Station”, K160614 (4) A description of the device that is the subject of th…
Restorative Therapies, Inc.2009—
*K160614Xcite Clinical Station
Cleared while this submission was under review
Summary page 4
…d device to which the submitter claims equivalence: RESTORATIVE THERAPIES, INC. product: “RT300”, K090750 RESTORATIVE THERAPIES, INC. product: “Xcite Clinical Station”, K160614 (4) A description of the device that is the subject of the premarket notification submission. The RT300 is a Functional Electri…
Restorative Therapies, Inc.2016—

Also cleared against K090750: 3 other devices →

What descends from it?

No later submission names this one as a predicate yet.

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?

  • The line of descent spans 33 years and passes through 2 companies; a new generation was cleared every 1.3 years on median.
  • None of the 9 ancestors has a recall.
  • 3 other devices also cite its predicate K090750.

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. 2017, 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—

What is it indicated for?

The RT300 is intended for general rehabilitation for:

1. Relaxation of muscle spasms

2. Prevention or retardation of disuse atrophy

3. Increasing local blood circulation

4. Maintaining or increasing range of motion

5. Muscle re-education

The RT300 pediatric version is intended for population ages 4 to 12 years.

The RT300 is intended for use with a surface electrical stimulation garment for population ages 12 and above.

The RT300 is for prescription use only.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K162470: RT300 FES cycle ergometer.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K162470

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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