K131291 · Johari Digital Healthcare , Ltd. · NGX · Jun 14, 2013 · Physical Medicine
Device Facts
Record ID
K131291
Device Name
TORC BODY
Applicant
Johari Digital Healthcare , Ltd.
Product Code
NGX · Physical Medicine
Decision Date
Jun 14, 2013
Decision
SESE
Submission Type
Special
Regulation
21 CFR 890.5850
Device Class
Class 2
Attributes
Therapeutic
Indications for Use
TORC BODY is indicated to be used for: - Improvement of abdominal tone, for strengthening of the abdominal muscles, for development of firmer abdomen. - Strengthening, Toning and Firming of buttocks & thighs.
Device Story
TORC BODY is a battery-powered muscle stimulator for home use by healthy adults. It uses electrodes placed on the abdomen, buttocks, or thighs via elastic belts to deliver electrical stimulation. The device generates a symmetrical biphasic square wave current to rhythmically contract muscles, aiming to improve tone and strength. Users operate the device via a touch screen LCD interface to select programs and adjust intensity. The system consists of the main stimulator unit, electrode cables, belts, and a rechargeable Ni-MH battery pack. It functions as a modified version of the Powertone (K062439) device, incorporating a touch screen, updated enclosure, and higher-capacity battery. The output parameters, including current and voltage, remain consistent with the predicate. Healthcare providers do not operate the device; it is intended for patient self-use to achieve muscle conditioning benefits.
Clinical Evidence
No clinical data provided. Substantial equivalence is based on bench testing and technical comparison of electrical output parameters and design specifications against the predicate device.
Indicated for healthy adult men and women for home use to improve abdominal tone, strengthen abdominal muscles, develop a firmer abdomen, and strengthen, tone, and firm buttocks and thighs.
Regulatory Classification
Identification
A powered muscle stimulator is an electrically powered device intended for medical purposes that repeatedly contracts muscles by passing electrical currents through electrodes contacting the affected body area.
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11/31291
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Delivering Creativity & Innovation
# JUN 1 4 2013
# Summary Special 510(K)
## : JOHARI DIGITAL HEALTHCARE LTD.
Submitter's Name Contact Person Email Phone Fax Date of Summary Submission Resubmitting on
: Ms Pooja Johari : pooja.johari@7ellc.com : 858-657-9226 : 858-220-7523 : April 26P, 2013 : Not Applicable
pooja
Name of Person and Signature (Ms Pooja Johari – Vice President Marketing)
> G582-584, EPIP, Boranada, Jodhpur - 342008, Tel: +91-02931-281531/36 info@joharidigita.com
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Special 510(K)
Section 5 - 510(K) Summary
.
:
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## Modified Device for Which Submitting
| Device Trade Name | : TORC BODY |
|-------------------------------|-----------------------------------------------------------------------------------------------------------------------------|
| Classification Name | : Powered Muscle Stimulator,<br>Stimulator, Muscle, Powered, For Muscle Conditioning |
| Device's Classification Panel | : Physical Medicine |
| Product Code | : NGX |
| Regulation | : 890.5850 |
| Address and Registration | : JOHARI DIGITAL HEALTHCARE LTD.<br>Electronic Hardware Technology Park<br>G-582, 584 E.P.I.P., Boranada,<br>Jodhpur 342008 |
| FDA Registration | : 8040537 |
| 510(K) No | : Not Known |
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.
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#### Legally Marketed Predicate Device
| Device Trade Name | : POWERTONE, MODEL PT-11 |
|--------------------------|----------------------------------|
| Classification Name | : Powered Muscle Stimulator |
| 510(K) No | : K062439 |
| Address and Registration | : JOHARI DIGITAL HEALTHCARE LTD. |
| FDA Registration | : 8040537 |
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#### Description of the Modified Device:
The device description of the TORC BODY - Powered Muscle Stimulator is as follows.
TORC BODY is a powered muscle stimulator with two outputs. This battery powered unit is designed for men & women to provide exercise technology. The stimulation is the most comfortable & this technology makes it easier to combine active & passive exercise.
The TORC BODY stimulator provides selections of different programs for Bottom Thighs muscles (BTS), Abdominal muscles (ABS) & yet customization of stimulation parameters. Four body areas can be treated simultaneously.
The electrical muscle stimulator contracts muscles rhythmically to achieve muscle tone and strength. The belts provided with the device are used to place the electrodes in place on the body area to be treated. The lead wires connect the electrodes with the main stimulator unit. The Torc Body muscle stimulator provides comforting and soothing muscle stimulation to achieve the intended use of strengthening, toning and firming of the muscles of abdomen, thighs and buttocks. The user can increase the intensity to get a stronger stimulation and achieve better results.
A touch screen LCD user interface simplifies the selection of the programs and displays the selected program, treatment time and other stimulation parameters.
Rechargeable batteries power it. The unit can perform anytime & anywhere. Torc Body is suitable for use by all healthy adults. However as with other form of exercise some care is needed when using them.
Torc Body comes complete with all the necessary component to perform Muscle stimulation below is a list of items that are included:
| Item | Quantity |
|--------------------------------------|----------|
| 1. Torc Body unit | 01 |
| 2. Electrode cables (3 pole) | 02 |
| 3. Elastic belt short style | 01 |
| 4. ABS Belt | 01 |
| 4. Battery Charger | 01 |
| 5. Rechargeable Battery pack (Ni-MH) | 01 |
5.3
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Section 5 - 510(K) Summary
#### Special 510(K)
- 6. Instruction Manual 01 7. Carry bag 01 8. Electrodes – Large (50 mm) 02 Small (40 mm X 80 mm) 04
#### Technical Specifications Comparison:
| Feature | Modified Device:<br>TORC PLUS | Predicate Device:<br>POWERTONE, MODEL PT-11<br>(K062439) |
|--------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Outputs | Two | Two |
| Waveform | Symmetrical Biphasic Square<br>Wave | Symmetrical Biphasic Square<br>Wave |
| Maximum<br>Output Current | 102mApp (18.97 mA rms)<br>@500Ω | 102mApp (18.97 mA rms)<br>@500Ω |
| Max output<br>voltage | 51 Vpp (9.48 Vrms) @ 500 Ω | 51 Vpp (9.48 Vrms) @ 500 Ω |
| Power Density<br>on Electrodes | 0.0089 W/cm2 @500Ω | 0.0089 W/cm2 @500Ω |
| Maximum<br>Phase Charge | 35.7μC@500Ω | 35.7μC@500Ω |
| Maximum<br>Current<br>Density | 0.176 mA/ cm2 | 0.176 mA/ cm2 |
| Maximum<br>Power Density | 0.0089 W/cm2 | 0.0089 W/cm2 |
| Feature | Modified Device:<br>TORC BODY | Predicate Device:<br>POWERTONE, MODEL PT-11<br>(K062439) |
| Indication for<br>Use | TORC BODY is indicated to be<br>used for: -<br>- Improvement of abdominal tone,<br>for strengthening of the abdominal<br>muscles, for development of firmer<br>abdomen.<br>- Strengthening, Toning and Firming<br>of buttocks & thighs. | POWERTONE is indicated to be<br>used for: -<br>- Improvement of abdominal tone,<br>for strengthening of the abdominal<br>muscles, for development of<br>firmer abdomen.<br>- Strengthening, Toning and<br>Firming of buttocks & thighs. |
| Identification | A powered muscle stimulator with<br>two different outputs, which<br>contracts the muscles of specific<br>body areas. | A powered muscle stimulator with<br>two different outputs, which<br>contracts the muscles of specific<br>body areas. |
| Target of<br>populaces | Healthy adult men & women for<br>home use. | Healthy adult men & women for<br>home use. |
| Design | 1. Torc Body is a micro -computer<br>controlled unit which works on fully<br>charged battery at 24 VDC. The unit<br>generates output (as per features) by<br>digitally controlled micro controller.<br><br>2. Microcontrollers activate signal<br>as per selected value and generates<br>the output.<br><br>3. The printed circuit board is<br>designed as per the connection of<br>component in electronic schematic<br>diagram | 1. Powertone is a micro -<br>computer controlled unit which<br>works on fully charged battery at<br>4.8 VDC. The unit generates<br>output (as per features) by digitally<br>controlled micro controller.<br><br>2. Microcontrollers activate signal<br>as per selected value and generates<br>the output.<br><br>3. The printed circuit board is<br>designed as per the connection of<br>component in electronic schematic<br>diagram |
| Mechanical Size | 8.0"(L) x 6.0"(W) x 4.0"(H)<br><br>It is ABS body enclosure --<br>ergonomically designed, so the unit<br>can be held in hand comfortably or<br>placed on a table while selecting the<br>parameter. | 3.9"(L) x 1.6"(H) x 4.0(W)<br><br>It is ABS body enclosure --<br>ergonomically designed, so the<br>unit can be held in hand<br>comfortably or placed on a table<br>while selecting the parameter |
| | | |
| Waveform | The unit Produces different current<br>waveforms, which gives the Muscles<br>stimulation of selectable program<br><br>Waveform is symmetrical biphasic<br>square wave. | The unit Produces different current<br>waveforms, which gives the<br>Muscles stimulation of selectable<br>program<br><br>Waveform is symmetrical biphasic<br>square wave. |
| User Interface &<br>Display | Touch Screen LCD User Interface.<br><br>LCD displays program mode,<br>percentage power intensity. The<br>remaining time is displayed<br>continuously. | MKB Panel and LCD Display<br>User Interface.<br><br>LCD displays program mode,<br>percentage power intensity. The<br>remaining time is displayed<br>continuously. |
| Power | Torc Body is powered by battery<br>pack 24 VDC (consisting of 20 cells<br>of NiMH 1.2 VDC, connected in<br>series). This can be charged by a<br>charger, when device is not in use<br>there by making the use SAFE for<br>the patient | Power tone is powered by four<br>rechargeable NiMH 1.2 VDC size<br>batteries. This can be charged by a<br>charger, when device is not in use<br>there by making the use SAFE for<br>the patient |
| Humidity | In order to with stand humid<br>atmosphere, insulated liquid are<br>sprayed on circuitry<br>and transformer | In order to with stand humid<br>atmosphere, insulated liquid are<br>sprayed on circuitry<br>and transformer |
| Storage | 32 F to112F | 32 F to 112F |
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#### Special 510(K)
## SUBSTANTIAL EQUIVALENCE:
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The modifications made to the device include:
- Name of the device from Powertone to Torc Body .
- . User Interface to incorporate a touch screen LCD
- High capacity battery from the original device to support the LCD & back light. .
- . Modified enclosure / plastic case to support touch screen and battery.
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#### Special 510(K)
The intended use and indications of the modified device are the same as the intended uses and indications for the unmodified predicate device.
The modifications have not altered the fundamental technology of the sponsor's predicate device.
#### Indications for use:
TORC BODY is indicated to be used for: -
- . Improvement of abdominal tone, for strengthening of the abdominal muscles, for development of firmer abdomen.
- Strengthening, Toning and Firming of buttocks & thighs. .
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#### DEPARTMENT OF HEALTH & HUMAN SERVICES
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June 14, 2013
Public Health Service
Food and Drug Administration 10903 New Hampshire Avenue Document Control Center - WO66-G609 Silver Spring, MD 20993-002
Johari Digital HealthCare Ltd. c/o Ms. Pooja Johari Vice President. Marketing 5703 Oberlin Dr. Suite 306 San Diego, CA 92121
Re: K131291
> Trade/Device Name: Torc Body Regulation Number: 21 CFR 890.5850 Regulation Name: Powered Muscle Stimulator Regulatory Class: Class II Product Code: NGX Dated: April 26, 2013 Received: May 15, 2013
Dear Ms. Johari:
We have reviewed your Section 510(k) premarket notification of intent to market the device referenced above and have determined the device is substantially equivalent (for the indications for use stated in the enclosure) to legally marketed predicate devices marketed in interstate commerce prior to May 28, 1976, the enactment date of the Medical Device Amendments, or to devices that have been reclassified in accordance with the provisions of the Federal Food, Drug, and-Cosmetic "Act (Act (Act) that do not require approval "approval" approval" application (PMA), You may, therefore, market the device, subject to the general controls provisions of the Act. The general controls provisions of the Act include requirements for annual registration. Ilisting of devices, good manufacturing practice, labeling, and prohibitions against misbranding and adulteration. Please note: CDRH does not evaluate information related to contract liability warranties. We remind you, however, that device labeling must be truthful and not misleading.
If your device is classified (see above) into either class II (Special Controls) or class III (PMA), it may be subject to additional controls. Existing major regulations affecting your device can be found in the Code of Federal Regulations, Title 21, Parts 800 to 898. In addition, FDA may publish further announcements concerning your device in the Federal Register.
Please be advised that FDA's issuance of a substantial equivalence determination does not mean that FDA has made a determination that your device complies with other requirements of the Act or any Federal statutes and regulations administered by other Federal agencies. You must comply with all the Act's requirements, including, but not limited to: registration and listing (21 CFR Part 807); labeling (21 CFR Part 801); medical device reporting (reporting of medical device-related adverse events) (21 CFR 803); good manufacturing practice requirements as set
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Page 2 - Ms. Pooja Johari
forth in the quality systems (QS) regulation (21 CFR Part 820); and if applicable, the electronic product radiation control provisions (Sections 531-542 of the Act); 21 CFR 1000-1050.
If you desire specific advice for your device on our labeling regulation (21 CFR Part 801), please contact the Division of Small Manufacturers, International and Consumer Assistance at its tollfree number (800) 638-2041 or (301) 796-7100 or at its Internet address
http://www.fda.gov/MedicalDevices/ResourcesforYou/Industry/default.htm. Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21 CFR Part 807.97). For questions regarding the reporting of adverse events under the MDR regulation (21 CFR Part 803), please go to
http://www.fda.gov/MedicalDevices/Safety/ReportaProblem/default.htm for the CDRH's Office of Surveillance and Biometrics/Division of Postmarket Surveillance.
You may obtain other general information on your responsibilities under the Act from the Division of Small Manufacturers, International and Consumer Assistance at its toll-free number (800) 638 2041 or (301) 796-7100 or at its Internet address
http://www.fda.gov/MedicalDevices/ResourcesforYou/Industry/default.htm.
Sincerely yours,
Joyce M. Whang -S
for Victor Krauthamer, Ph.D. Acting Director Division of Neurological and Physical Medicine Devices Office of Device Evaluation · Center for Devices and ___ Radiological.Health
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# Indications for Use
510(k) Number (if known): K131291
Device Name: TORC BODY
Indications For Use:
TORC BODY is indicated to be used for:
- Improvement of abdominal tone, for strengthening of the abdominal muscles, for . development of firmer abdomen.
- Strengthening, Toning and Firming of buttocks & thighs. .
Prescription Use (Part 21 CFR 801 Subpart D) AND/OR
Over-The-Counter Use >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> (21 CFR 801 Subpart C)
(PLEASE DO NOT WRITE BELOW THIS LINE-CONTINUE ON ANOTHER PAGE IF NEEDED)
Concurrence of CDRH, Office of Device Evaluation (ODE)
Division Sign Off) Division of Neurological and Physical Medicine Devices (DNPMD)
510(k) Number K131291
Page 1 of 1
Two short videos show you everything — or skip straight to the written tutorial if you'd rather read. You can reopen this any time from the Tutorial button in the top bar.
Part 1 — Search, results, and everyday workflows 16 min
Part 2 — Embeddings: the galaxy map 3 min
1. Search: exact and fuzzy
Type a phrase like "coronary artery calcification" into the search box. You get two kinds of results. Exact results match the literal phrase — prefix searches work ("coronary artery calcificati") but suffix searches do not. Fuzzy results match on the meaning and intent of your phrase rather than the exact words, and are sorted by relevance score. Hover over the Exact or Fuzzy badge on any row to see exactly why it matched.
Use the checkboxes above the results to narrow: SaMD keeps only software-only devices, AI / ML keeps only devices with AI.
Exact vs. fuzzy search: what's the difference?
Exact matches on the literal phrase (prefix search works, suffix does not). Fuzzy matches on the meaning and intent of the phrase rather than the exact words. Hover over the badge on any row to see why it matched.
You search "coronary artery calcification" and want only software devices with AI. What two filters do you apply?
Narrow by SaMD (software-only devices), then narrow by AI/ML (devices with AI).
2. The results table
Scroll right in the results table. The intended use is extracted for you — no need to open the PDF. The device story gives a high-level snapshot of what the device does and how it's used. The AI Performance sub-table shows each output name, acceptance criteria, observed values, and development/test dataset descriptions — the same format Innolitics uses for regulatory strategy outputs, and the fastest high-level fingerprint of an AI device. It is AI-generated but has been very reliable in practice.
Where do you find a device's intended use without opening the PDF?
Scroll right in the search results table. The intended use column is extracted for you; no need to dig into the 510(k) summary PDF.
What does the AI Performance sub-table show, and why is it useful?
Output name, acceptance criteria, observed values, development dataset description, and test dataset description. It's the same format we use for regulatory strategy output and Fast 510(k) input, and the fastest high-level fingerprint of an AI device. AI-generated but reliable in practice.
3. Judging fuzzy relevance
Fuzzy results trail off in relevance as you scroll. Use three signals to decide how far down to go: the fuzzy badge explanations, the intended use column, and whether your target output (e.g., Cobb angle) still appears in the AI Performance sub-table. Once it stops appearing, you're past the relevant zone. A top hit with a low score (~0.4) and a stretched explanation is a hint the closest predicates are far away — the project may be headed for De Novo. Note the fuzzy search is a pattern match: it doesn't handle negation ("not") well, and hardware devices can appear — filter by SaMD/AI ML to cut them.
How do you judge how far down fuzzy search results to go?
Use the relevancy signals: the fuzzy badge explanations, the intended use column, and whether the target output (e.g., Cobb angle) still appears in the AI Performance sub-table. Once it stops appearing, results are trailing off in relevancy.
4. Device detail page: chat and citations
Click a device name to open its detail page: device facts on the left, a chat window on the right. Ask something like "Describe the training data". The answer carries little citation bubbles — click one to jump to the highlighted passage in the source PDF, so you can verify every AI answer against the document. There's also a Download PDF button for sharing.
How do you verify an AI chat answer on the device detail page?
Click the citation bubbles to jump to the relevant highlight in the source document.
Reading rule for every project: how many summaries do you read in full?
At least the three most relevant 510(k) or De Novo summaries, in full. After that, use targeted chat questions to confirm your memory quickly. The tool supports this professional habit — it doesn't replace it.
5. Side-by-side comparison
Select multiple rows in the results table (aim for under ~10), then open the PDF Viewer tab. Ask one question — it goes to all selected devices in parallel, each with citations. This is the fastest way to compare and contrast devices: training data, PCCP scope, how they handled adding new scanners, and so on.
What does the side-by-side PDF viewer mode do?
Select multiple devices, open the PDF viewer tab, and ask one question (e.g., "Describe the training data"). It queries all selected devices simultaneously with citations, so you can compare and contrast quickly.
6. Collections
With rows selected, go to the Collections tab and create a labeled collection (e.g., "Cobb Angle Project"). Reload that selection any time — before a client call, pull up the collection and ask questions across all of its devices at once.
How do you save a set of selected devices for later use?
Select the rows, go to the Collections tab, and create a labeled collection (e.g., "Cobb Angle Project"). You can reload the selection anytime and carry it into the PDF viewer and other tabs that support selections.
7. Product codes and the regulations tree
Click a product code in the results to jump to it in the regulations tree — identification text, sibling product codes, and devices you can open in a PDF viewer on the right. Click a regulation number to see its identification, special controls, and related product codes. You can also search by product code or regulation number at the top of the tree. Always read the special controls if any exist for your device — it broadens your search and sharpens pre-kickoff research.
What can you do from the regulations tree view?
Browse product codes and regulation numbers, read the identification text and special controls, browse sibling product codes, open device PDFs on the right, and search by product code or regulation number at the top of the tree.
8. Chart view
Click Show Chart and segment by regulation number (or product code) to see which regulations dominate your result set. Clicking a regulation takes you into the regulations tree. Great for spotting that most matches are, say, hardware laparoscopic devices — a cue to go back and filter.
How do you see which regulations dominate a search result set?
Click "Show Chart" and segment by Regulation Number. Clicking a regulation takes you to the regulations tree.
9. The predicate graph
Open the Predicates tab for a family-tree view of predicate relationships. Click a node to trace its parents and children; selections from search carry over pre-selected. Commonly predicated devices are worth reading — a lot of people predicated them for a reason. The visual lineage is also handy on client calls, e.g. to show how a predicate family evolved and justify why your predicate still holds.
In the predicate graph, why are commonly predicated devices worth reading?
A lot of people predicated them for a reason. Clicking a node traces parents and children, and selections from search carry over pre-selected.
10. Embeddings: the galaxy map
The Embeddings tab plots every matching document in a 2-D "galaxy map" where semantically similar devices cluster together. Hover or click clusters to explore, and let AI label the clusters for you. Embeddings beat product codes for grouping: two devices can carry different product codes (LLZ vs. QIH) yet do the same thing — the embedding captures the meaning of the intended use and device story. This is also exactly how retrieval-augmented generation (RAG) works under the hood, and it makes a great visual on client calls.
Try it yourself
Head to the search page and work through a few of these AI/ML fuzzy searches to build intuition: perivascular fat on CT · aortic valve calcification opportunistic screening on noncontrast CT · breast cancer prediction on digital pathology slides · autism detection · gestational age prediction · a hearing aid that can also detect a pulse · foundation model based analysis of ECG · large language models · penetration test. Watch how the relevance scores, intended use, and AI Performance tables tell you when results stop being meaningful.