510(k) · Cleared
ClearedRT300-S, Model FA100052; RT300-SP, Model FA100053
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Restorative Therapies, Inc. · GZI Stimulator, Neuromuscular, External Functional
Cleared on Mar 10, 2006 as substantially equivalent to K841112 (Therapeutic Technologies, Inc., 1984) after a 64-day review. Its family tree reaches back 1 generation to 1984. 12 later devices descend from it.
- Decided
- Mar 10, 2006
- Review
- 64 days
- Class
- Class II
- Product code
- GZI
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 1 generation to K841112 (1984). 12 later devices descend from it, 2 citing it directly.
- Root · 1 generation backK841112 Tti Rehabilatation Gym SysTherapeutic Technologies, Inc. · 1984
- This deviceK060032 RT300-S, Model FA100052; RT300-SP, Model FA100053Restorative Therapies, Inc. · 2006
- Descendant · cites it directly · 8 of its ownK073237 Rehastim & RehamoveHasomed GmbH · 2007
- Descendant · cites it directly · 7 of its ownK071113 RT300-S, Model FA100052, RT300-SP (Pediatric Version), Model FA100053Restorative Therapies, Inc. · 2007
- Descendant · 2 generations on · 6 of its ownK071486 RT300-S, RT300-SP (Pediatric Version), Model FA100052, FA100053Restorative Therapies, Inc. · 2007
- Descendant · 3 generations on · 5 of its ownK072398 RT300-S and RT300-SP Fes Cycle ErgometerRestorative Therapies, Inc. · 2007
- Descendant · 2 generations on · 4 of its ownK090750 RT300-SL, Model FA100052; RT300-Slsa, Model FA104581Restorative Therapies, Inc. · 2009
Showing 5 of 12 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 12 · See all- K073237Rehastim & RehamoveHasomed GmbH · 2007 · cites it directly8descendants
- K071113RT300-S, Model FA100052, RT300-SP (Pediatric Version), Model FA100053Restorative Therapies, Inc. · 2007 · cites it directly7descendants
- K071486RT300-S, RT300-SP (Pediatric Version), Model FA100052, FA100053Restorative Therapies, Inc. · 2007 · 2 generations on6descendants
- K072398RT300-S and RT300-SP Fes Cycle ErgometerRestorative Therapies, Inc. · 2007 · 3 generations on5descendants
- K090750RT300-SL, Model FA100052; RT300-Slsa, Model FA104581Restorative Therapies, Inc. · 2009 · 2 generations on4descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −1 | K841112 | Tti Rehabilatation Gym Sys | Therapeutic Technologies, Inc. | 1984 | — |
| 0 (this device) | K060032 | RT300-S, Model FA100052; RT300-SP, Model FA100053 | Restorative Therapies, Inc. | 2006 | — |
| +1 | K073237 | Rehastim & Rehamove | Hasomed GmbH | 2007 | — |
| +1 | K071113 | RT300-S, Model FA100052, RT300-SP (Pediatric Version), Model FA100053 | Restorative Therapies, Inc. | 2007 | — |
| +2 | K071486 | RT300-S, RT300-SP (Pediatric Version), Model FA100052, FA100053 | Restorative Therapies, Inc. | 2007 | — |
| +3 | K072398 | RT300-S and RT300-SP Fes Cycle Ergometer | Restorative Therapies, Inc. | 2007 | — |
| +2 | K090750 | RT300-SL, Model FA100052; RT300-Slsa, Model FA104581 | Restorative Therapies, Inc. | 2009 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2007 | 4 | 0 |
| 2009 | 1 | 0 |
| 2011 | 3 | 0 |
| 2014 | 1 | 0 |
| 2016 | 1 | 0 |
| 2017 | 2 | 0 |
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 K243828 Cionic Neural Sleeve (NS-200)score 12.9 · 13 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K841112 | Tti Rehabilatation Gym SysSummary page 1…Powered Muscle Stimulator (3) Identification of the legally marketed device to which the submitter claims equivalence: THERAPEUTIC ALLIANCES, INC. product: 'ERGYS", K841112, a class 2 device (4) A description of the device that is the subject of the premarket notification submission The RT300-S is a… | 1984 |
What descends from it? (12)
See all 122 later devices cite it directly; ranked here by how many devices descend from each in turn.
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?
How does its category compare?
All GZI devicesGZI Stimulator, Neuromuscular, External Functional: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · GZI
2in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · GZI
110in 2022
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · GZI
1in 2008
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · GZI
3in 2025
MAUDE reports naming product code GZI, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 4 | 81 | 0 | 1 |
| 2008 | 1 | — | 1 | 2 |
| 2009 | 1 | — | 0 | 8 |
| 2010 | 0 | — | 0 | 1 |
| 2011 | 6 | 139 | 0 | 3 |
| 2012 | 2 | — | 0 | 2 |
| 2013 | 2 | — | 0 | 0 |
| 2014 | 3 | 299 | 0 | 2 |
| 2015 | 1 | — | 0 | 3 |
| 2016 | 1 | — | 0 | 0 |
| 2017 | 6 | 168 | 0 | 2 |
| 2018 | 2 | — | 0 | 1 |
| 2019 | 2 | — | 0 | 4 |
| 2020 | 2 | — | 0 | 0 |
| 2021 | 1 | — | 0 | 1 |
| 2022 | 4 | 110 | 0 | 3 |
| 2023 | 1 | — | 0 | 1 |
| 2024 | 2 | — | 0 | 1 |
| 2025 | 2 | — | 0 | 3 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
The RT300-S (adult version) and RT300-SP (pediatric version) are intended for general rehabilitation for:
a. Relaxation of muscle spasms
b. Prevention or retardation of disuse atrophy
c. Increasing local blood circulation
d. Maintaining or increasing range of motion
The RT300-SP (pediatric version), is intended for population ages 4 to 12 years.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K060032 · printed Nov 4, 2026
Cite this page
510(k) Report. “K060032: RT300-S, Model FA100052; RT300-SP, Model FA100053.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K060032
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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