K160691 · Zuko, Inc. · OLP · Jun 21, 2016 · General, Plastic Surgery
Device Facts
Record ID
K160691
Device Name
Acne Light Therapy Wand
Applicant
Zuko, Inc.
Product Code
OLP · General, Plastic Surgery
Decision Date
Jun 21, 2016
Decision
SESE
Submission Type
Traditional
Regulation
21 CFR 878.4810
Device Class
Class 2
Attributes
Therapeutic
Indications for Use
The Acne Light Therapy Wand is indicated to treat mild to moderate inflammatory acne.
Device Story
Hand-held, battery-powered LED light therapy device; emits blue (442nm) and red (633nm) light; no UV emission. User-operated by placing device over treatment area and pressing 'On' button; automatic shut-off after treatment cycle. Used in home setting by patients. Provides non-invasive light therapy to treat inflammatory acne; intended to reduce acne severity through light exposure.
Clinical Evidence
No clinical data. Substantial equivalence established via non-clinical bench testing, including electrical safety (IEC 60601-1), electromagnetic compatibility (IEC 60601-1-2), and photobiological safety (IEC 62471). A self-selection and usability study confirmed the device is easy to use and labeling is appropriate for laypersons.
Indicated for patients with mild to moderate inflammatory acne.
Regulatory Classification
Identification
(1) A carbon dioxide laser for use in general surgery and in dermatology is a laser device intended to cut, destroy, or remove tissue by light energy emitted by carbon dioxide.(2) An argon laser for use in dermatology is a laser device intended to destroy or coagulate tissue by light energy emitted by argon.
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Food and Drug Administration 10903 New Hampshire Avenue Document Control Center - WO66-G609 Silver Spring, MD 20993-0002
June 21, 2016
Zuko, Inc. % Ms. M. Joyce Heinrich President Texas Applied Biomedical Services (T.A.B.S.) 12101 Cullen Blvd, Suite A Houston, Texas 77047
Re: K160691 Trade/Device Name: Acne Light Therapy Wand Regulation Number: 21 CFR 878.4810 Regulation Name: Laser surgical instrument for use in general and plastic surgery and in dermatology Regulatory Class: Class II Product Code: OLP Dated: May 16, 2016 Received: May 19, 2016
Dear Ms. Heinrich:
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) that do not require approval of a premarket 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, listing 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 devicerelated adverse events) (21 CFR 803); good manufacturing practice requirements as set forth in
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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 Industry and Consumer Education 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. 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 Industry and Consumer Education 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,
Jennifer R. Stevenson -A
For Binita S. Ashar, M.D., M.B.A., F.A.C.S. Director Division of Surgical Devices Office of Device Evaluation Center for Devices and Radiological Health
Enclosure
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# Indications for Use
510(k) Number (if known) K160691
Device Name Acne Light Therapy Wand
Indications for Use (Describe)
The Acne Light Therapy Wand is indicated to treat mild to moderate inflammatory acne.
Type of Use (Select one or both, as applicable)
Prescription Use (Part 21 CFR 801 Subpart D)
|X | Over-The-Counter Use (21 CFR 801 Subpart C)
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Texas Applied Biomedical Services (T.A.B.S.) Traditional 510(k) Premarket Submission Model: Acne Light Therapy Wand
### 510(k) Summary for Acne Light Therapy Wand
#### 1. Submission Sponsor
Zuko, Inc.
### 2. Submission Correspondent
Texas Applied Biomedical Services (T.A.B.S.) 12101 Cullen Blvd, Suite A Houston, Texas 77047 Phone: (713) 734-4433 Fax: 1-866-362-3968 Contact: M. Joyce Heinrich, President Email: Tabsii2@comcast.net
### 3. Date Prepared
17 June 2016
### 4. Device Name
Trade/Proprietary Name: Acne Light Therapy Wand Common/Usual Name: Acne Light Therapy System Classification Name: Over-the-counter powered light based laser for acne Classification Regulation: 21CFR 878.4810 Classification Panel: General and Plastic Surgery Product Code: OLP Device Class: II FDA Establishment Registration #: To be obtained after clearance
#### 5. Predicate Devices
- Tanda Zap Mini Skincare System 510(k) number K124042, cleared on April 02, 2013, manufactured by Syneron Beauty Inc.
- LightStim for Acne 510(k) number K142246, cleared on January 29, 2015, manufactured by LED Intellectual Properties, LLC
- 6. Device Description
<sup>4</sup> NOTE: OLP is the best description and closest match to this device. However the device uses LED light sources; there is no coherent (laser) light involved.
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The Acne Light Therapy Wand uses known LED light therapy technology for the treatment of acne. A combination of blue light and red light is emitted. The Acne Light Therapy Wand device does not emit any ultraviolet (UV) light. UV light is defined as light with the range of 100-400nm. To use the Acne Light Therapy Wand device, users place the device over the treatment area and press the "On" button on the device to start treatment. The device will automatically turn off after each treatment cycle.
## 7. Intended Use
The Acne Light Therapy Wand is indicated to treat mild to moderate inflammatory acne.
## 8. Technological Characteristics and Substantial Equivalence
This document uses the term "substantial equivalence" as defined in 21 CFR 807.87 and not as defined in Title 35 of the U.S. Code.
The Acne Light Therapy Wand device is substantially equivalent to the Tanda Mini Skincare System and the LightStim for Acne devices in safety and efficacy. All are hand-held, LED light therapy wand devices indicated for the treatment of mild to moderate inflammatory acne.
The properties and characteristics of the subject and predicate devices are compared in the table below.
| Trade Name | Acne Light Therapy<br>Wand | Tanda Mini<br>Skincare System | LightStim for Acne |
|--------------------------|----------------------------|-------------------------------|--------------------|
| 510(k) Number | K160691 | K124042 | K142246 |
| Regulation<br>Number | 21CFR 878.4810 | 21CFR 878.4810 | 21CFR 878.4810 |
| Over-the-counter<br>use? | Yes | Yes | Yes |
### Table 1. Acne Light Therapy Wand vs. Tanda Mini Skincare and LightStim for Acne Systems
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| Overall design | Portable battery powered device applied to the face providing LED light output. | Portable battery powered device applied to the face providing LED light output. | Mains powered hand-held device applied to the face providing LED light output. |
|-----------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------|
| Materials | Polypropylene, Polycarbonate, Aluminum | Polypropylene, Polycarbonate | Polypropylene, Polycarbonate, |
| Wavelength | $442 \pm 4nm$<br>$633 \pm 4nm$ | $415 \pm 4nm$ | $411 \pm 4 nm$<br>$640 \pm 4 nm$ |
| Treatment Area (cm^2) | 1.594 | 4.155 | 16.6 |
| Dose Rate (mW/cm^2) | | | |
| Blue | 26.5 | 36.2 | 12.4 |
| Red | 7.5 | n/a | 6.3 |
| Total | 34.0 | 36.2 | 18.7 |
| Dose (J/cm^2) | | | |
| Blue | 9.6 | 13.0 | 8.9 |
| Red | 2.6 | n/a | 4.5 |
| Total | 12.2 | 13.0 | 13.4 |
| Performance Data | Complies with applicable performance specifications and usability requirements. | Complies with applicable performance specifications and usability requirements. | Complies with applicable performance specifications and usability requirements. |
| IEC 60601 Compliant | Yes | Yes | Yes |
| Electrical Power | 1 AAA alkaline batteries | 3 AAA alkaline batteries | AC/DC adapter |
| User Interface | On/off button,<br>located on the<br>device. Device turns<br>on with a push of the<br>button and turns off<br>automatically. There<br>are no other user<br>selectable<br>parameters. | On/off button,<br>located on the<br>device. Device turns<br>on with a push of the<br>button and turns off<br>automatically. There<br>are no other user<br>selectable<br>parameters. | On/off button,<br>located on the<br>device. Device turns<br>on/off with a push of<br>the button. There<br>are no other user<br>selectable<br>parameters. |
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Texas Applied Biomedical Services (T.A.B.S.) Traditional 510(k) Premarket Submission Model: Acne Light Therapy Wand
### 9. Non-Clinical Testing
The Acne Light Therapy Wand device conforms to the requirements of IEC 60601-1 3rd edition, IEC 60601-1-2, and IEC 62471.
Additionally, a Self Selection and Usability Study was conducted with laypersons and demonstrated that the Acne Light Therapy Wand is an easy to use device and the packaging and labeling are appropriate for and easily understood by the layperson.
### 10. Clinical Testing
The Acne Light Therapy Wand is substantially equivalent to predicate devices currently in commercial distribution in the USA. Therefore, clinical testing of the device was not conducted.
### 11. Conclusion
By definition, a device is substantially equivalent to a predicate devices when the device has the same intended use and the same technological characteristics as the previously cleared predicate device. Or the device may have the same intended use and different technological characteristics if they can be demonstrated that the device is substantially equivalent to the predicate device(s), and that the new device does not raise different questions regards its safety and effectiveness as compared to the predicate device.
We have shown in this 510(k) submission that the Acne Light Therapy Wand has the same intended use and technological characteristics as the predicate devices and does not raise any questions regarding its safety and effectiveness. The Acne Light Therapy Wand device, as designed and manufactured, has been found to be substantially equivalent to the predicate devices.
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.