K173678 · Cosmo Far East Technology Limited · OAP · Feb 28, 2018 · Physical Medicine
Device Facts
Record ID
K173678
Device Name
Diode Laser Cap
Applicant
Cosmo Far East Technology Limited
Product Code
OAP · Physical Medicine
Decision Date
Feb 28, 2018
Decision
SESE
Submission Type
Traditional
Regulation
21 CFR 890.5500
Device Class
Class 2
Attributes
Therapeutic
Indications for Use
Diode Laser Cap is indicated to promote hair growth in males with androgenic alopecia who have Norwood-Hamilton classifications of IIa-V or females with androgenic alopecia who have Ludwig-Savin Classifications of I-II and both with Fitzpatrick Skin Phototypes I-IV.
Device Story
Diode Laser Cap is a dome-shaped low-level laser therapy (LLLT) device for home use. It utilizes 148 or 272 visible red light-emitting diodes (650nm, 5mW each) to expose the scalp to photobiostimulation. The device consists of an outer plastic cover, an inner protective layer containing the laser array and electronics, and an external battery pack. Patients operate the device independently for 30-minute sessions, every other day, for 16 weeks. The device is intended to promote hair growth in patients with androgenic alopecia. It does not involve complex software or automated analysis; it functions as a light-delivery system.
Clinical Evidence
No clinical data provided. Substantial equivalence is supported by bench testing, including biocompatibility (ISO 10993-5, ISO 10993-10), electrical safety (IEC 60601-1, IEC 60601-1-11), electromagnetic compatibility (IEC 60601-1-2), and laser safety (IEC 60825-1).
Technological Characteristics
Dome-shaped LLLT device; 148 or 272 red LEDs (650nm, 5mW each); Class 3R laser (IEC 60825-1); battery-powered; plastic housing; biocompatible materials (ISO 10993-5/10); home-use environment; no software-based algorithm.
Indications for Use
Indicated for males with androgenic alopecia (Norwood-Hamilton IIa-V) or females with androgenic alopecia (Ludwig-Savin I-II) with Fitzpatrick Skin Phototypes I-IV to promote hair growth.
Regulatory Classification
Identification
An infrared lamp is a device intended for medical purposes that emits energy at infrared frequencies (approximately 700 nanometers to 50,000 nanometers) to provide topical heating.
Special Controls
*Classification.* Class II (special controls). The device, when it is an infrared therapeutic heating lamp, is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to the limitations in § 890.9.
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February 28, 2018
Cosmo Far East Technology Limited % Rain Yip Registered Engineer Feiying Drug & Medical Consulting Technical Service Group Rm. 3005, Area B, Bldg.1, Southward Ruifeng Business Center Guimiao Road Shenzhen, 518000 Cn
Re: K173678
Trade/Device Name: Diode Laser Cap Regulation Number: 21 CFR 890.5500 Regulation Name: Infrared Lamp Regulatory Class: Class II Product Code: OAP Dated: November 21, 2017 Received: November 30, 2017
Dear Rain Yip:
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, 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
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801); medical device reporting of medical device-related adverse events) (21 CFR 803); good manufacturing practice requirements as set forth in the quality systems (OS) regulation (21 CFR Part 820); and if applicable, the electronic product radiation control provisions (Sections 531-542 of the Act); 21 CFR 1000-1050.
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.
For comprehensive regulatory information about medical devices and radiation-emitting products, including information about labeling regulations, please see Device Advice (https://www.fda.gov/MedicalDevices/DeviceRegulationandGuidance/) and CDRH Learn (http://www.fda.gov/Training/CDRHLearn). Additionally, you may contact the Division of Industry and Consumer Education (DICE) to ask a question about a specific regulatory topic. See the DICE website (http://www.fda.gov/DICE) for more information or contact DICE by email (DICE@fda.hhs.gov) or phone (1-800-638-2041 or 301-796-7100).
# Sincerely, Jennifer R. Stevenson -
S3 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)
K173678
Device Name
Diode Laser Cap /(Model: COSMO-030, COSMO-020, COSMO-010)
Indications for Use (Describe)
Diode Laser Cap is indicated to promote hair growth in males with androgenic alopecia who have Norwood-Hamilton classifications of Ila-V or females with androgenic alopecia who have Ludwig-Savin Classifications of I-II and both with Fitzpatrick Skin Phototypes I-IV.
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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# 510(k) Summary
### "510(k) Summary" as required by 21 CFR Part 807.92.
#### Date: 2017.11.21
#### I. Submitter
Cosmo Far East Technology Limited Room 1504, Building 1, XingJiJia Yuan, Bao'an Avenue, Songgang, Bao'an District, Shenzhen, Guangdong, China
Tel.: +86 755 2321 0240 Tax: +86 755 2321 0240
Bob An (General Manager) Tel: +86 189 1115 3013 Email: cosmobeautylaser@126.com
#### II. Device
Type of 510(k): Traditional Common Name: Lamp, non-heating, for promotion of hair growth Trade Name: Diode Laser Cap Classification Name: Infrared lamp per 21 CFR 890.5500 Review Panel: General & Plastic Surgery Regulatory Class: II Product Code: OAP Regulation Number: 21 CFR 890.5500
#### III. Predicate Device
- 1) Predicate device
| Applicant | Predicate Device | 510(k) Number | Approval Date |
|---------------|----------------------|---------------|---------------|
| EGlobal, LLC | illumiflow Laser Cap | K162071 | Feb.24. 2017 |
| Capillus, LLC | Capillus laser domes | K163170 | Jan.31, 2017 |
2) Reference device: None
#### IV. Device Description
The COSMO-030 and COSMO-010 Diode Laser Cap is a dome-shaped low level laser therapy (LLLT) device designed to promote hair growth in women and men by exposing the entire scalp to the photobiostimulation of 272visible red light-emitting diodes at 650nm and 5mW each. The Cap is designed with an outer plastic cover and a protective inner (containing the electronics
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and laser array) and is powered by an included battery pack. The COSMO-020 Diode Laser Cap is exactly the same as the COSMO-030 with the exception of the number of diodes which is respective of model (148 diodes in COSMO-020).
# V. Indications for Use
Diode Laser Cap is indicated to promote hair growth in males with androgenic alopecia who have Norwood-Hamilton classifications of IIa-V or females with androgenic alopecia who have Ludwig-Savin Classifications of I-II and both with Fitzpatrick Skin Phototypes I-IV.
# VI. Comparison of Technological Characteristics With the Predicate Device
The Diode Laser Cap is substantially equivalent to the predicated device based on intended use, design, specifications and performance.
The Diode Laser Cap raises no safety or efficacy concerns when compared to the predicate devices.
Information for predicate device was obtained from publicly available sources, including the 510(k) Summary and device instruction manual. A technical comparison to the predicate is provided below:
| Comparison<br>Elements | Subject Device | Predicate Device 1 | Predicate Device 2 |
|-------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| K Number | Pending | K162071 | K161370 |
| Trade name | Diode Laser Cap | illumiflow Laser Cap | Capillus laser domes |
| Classification name | Infrared Lamp | Infrared Lamp | Infrared Lamp |
| Product code | OAP | OAP | OAP |
| Intended<br>use/Indications<br>for<br>Use | Diode Laser Cap is<br>indicated to promote<br>hair growth in males<br>with androgenic<br>alopecia who have<br>Norwood-Hamilton<br>classifications of<br>IIa~V or females with<br>androgenic alopecia<br>who have Ludwig-<br>Savin Classifications<br>of I~II and both with<br>Fitzpatrick Skin<br>Phototypes I to IV. | The illumiflow Laser<br>Cap is indicated to<br>promote hair growth<br>in males with<br>androgenic alopecia<br>who have Norwood-<br>Hamilton<br>classifications of<br>IIa~V or females with<br>androgenic alopecia<br>who have Ludwig-<br>Savin Classifications<br>of I~II and both with<br>Fitzpatrick Skin<br>Phototypes I to IV | The Capillus laser<br>domes 82, 202, 272<br>Pro, 272 OfficePro,<br>302, 312, and 352, are<br>intended to treat<br>Androgenetic<br>Alopecia and promote<br>hair growth in males<br>who have Norwood<br>Hamilton<br>Classifications of IIa<br>to V patterns of hair<br>loss and to treat<br>Androgenetic<br>Alopecia and promote<br>hair growth in females |
| Comparison<br>Elements | Subject Device | Predicate Device 1 | Predicate Device 2 |
| | | | who have Ludwig<br>(Savin) Scale I-1 to I-<br>4, II-1, II-2, or frontal;<br>both with Fitzpatrick<br>Skin Types I to IV. |
| Location for use | OTC application | OTC application | OTC application |
| Type of Light | Visible red light-<br>emitting diodes | Visible red light-<br>emitting diodes | Visible red light-<br>emitting diodes |
| Wavelength | 650nm | 650nm | 650nm |
| Amount of laser<br>diodes | COSMO-010: 272<br>COSMO-020: 148<br>COSMO-030: 272 | 272 | Capillus 82: 82<br>Capillus 202: 202<br>Capilus 272 Pro: 272 |
| Energy of per laser<br>diode | 5mW | 5mW | 5mW |
| Classification<br>according<br>to<br>IEC60825-1 | Class 3R | Class 3R | Class 3R |
| Treatment time | Each treatment: 30min<br>16 weeks, every other<br>day (indefinite) | Each treatment: 30min<br>16 weeks, every other<br>day (indefinite) | Each treatment: 30min<br>17 weeks, every other<br>day (indefinite) |
| Applicable people | Norwood-Hamilton<br>IIa~V (males) | Norwood-Hamilton<br>IIa~V (males) | Norwood-Hamilton<br>IIa~V (males) |
| | Ludwig-Savin I~II<br>(females) | Ludwig-Savin I~II<br>(females) | Ludwig-Savin I~II or<br>frontal (females) |
| Applicable skin | Fitzpatrick Skin<br>Phototypes I-IV | Fitzpatrick Skin<br>Phototypes I-IV | Fitzpatrick Skin<br>Phototypes I-IV |
| Helmet/Cap design | Yes | Yes | Yes |
| Dimension | (L*W*H)<br>COSMO-010:<br>23*18*9cm<br>COSMO-020:<br>22*18*9cm<br>COSMO-030: | Perimeter: 61cm<br>Diameter: 19cm | Unknown |
| Comparison<br>Elements | Subject Device | Predicate Device 1 | Predicate Device 2 |
| | 22*18*9cm | | |
| Weight | COSMO-010: 0.22kg<br>COSMO-020: 0.26kg<br>COSMO-030: 0.26kg | 0.22kg | Unknown |
| Environment<br>for<br>operation | Temperature: 10 °C<br>~30°C (50°F~86°F)<br>Humidity: 20%~80% | Temperature: -10 °C<br>~60°C (14°F~140°F)<br>Humidity: 20%~80% | Temperature: 5 °C<br>~40°C (41°F~104°F)<br>Humidity: 30%~80% |
| Environment<br>for<br>storage | Temperature: -10 °C<br>~60°C (14°F~140°F)<br>Humidity: 20%~80% | Temperature: -10 °C<br>~60°C (14°F~140°F)<br>Humidity: 20%~80% | Unknown |
| Safety feature | Complied with<br>IEC60601-1,<br>IEC60601-1-11,<br>IEC60601-1-2 and<br>IEC60825-1<br>Complied with<br>IEC62133 (Battery<br>pack)<br>Complied with<br>IEC60950 (Adapter) | Complied with<br>IEC60601-1,<br>IEC60601-1-2 and<br>IEC60825-1<br>Complied with<br>IEC62133 (Battery)<br>Complied with<br>IEC60950 (Charger) | Complied with<br>IEC60825-1<br>Complied with<br>IEC60950 (Charger) |
| Biocompatibility<br>feature | All body-contacting<br>materials are complied<br>with ISO10993-5 and<br>ISO 10993-10. | All body-contacting<br>materials are complied<br>with ISO10993-5 and<br>ISO 10993-10. | All body-contacting<br>materials are complied<br>with ISO10993-5 and<br>ISO 10993-10. |
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## VII.Performance Data
The following performance data were provided in support of the substantial equivalence determination.
# 1) Biocompatibility Testing
The biocompatibility evaluation for the body-contacting components of the Diode Laser Cap was conducted in accordance with the "Use of International Standard ISO 10993-1, "Biological
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Evaluation of Medical Devices –Part 1: Evaluation and Testing Within a Risk Management Process, Document Issued on June 16, 2016", as recognized by FDA. The battery of testing was performed to, and passed, including:
- > ISO 10993-5:2009/(R)2014, Biological Evaluation of Medical Devices –Par t 5: Tests for In Vitro Cytotoxicity
- > ISO 10993-10:2010. Biological Evaluation of Medical Devices -Par t 10: Tests for Irritation and Skin Sensitization
## 2) Electrical and EMC Safety
Electrical safety and EMC safety testing was performed to, and passed, the following standards:
- > IEC 60601-1 Medical electrical equipment -Part 1: General requirements for basic safety and essential performance
- > IEC 60601-1-11 Medical electrical equipment -Part 1-11: General requirements for basic safety and essential performance -Collateral standard: Requirements for medical electrical equipment and medical electrical systems used in the home healthcare environment
- > IEC 60601-1-2 Medical electrical equipment -Part 1-2: General requirements for basic safety and essential performance -Collateral standard: electromagnetic compatibility -Requirements and tests
In addition, testing to IEC 60825-1 certifies the laser system to classification 3R, which is the same as the predicate devices. And the charger conforms to IEC 60950 and the battery to IEC 62133.
### Summary
Based on the above performance as documented in this application, Diode Laser Cap was found to have a safety and effectiveness profile that is similar to the predicate device.
#### VIII. Conclusions
In accordance with the Federal Food, Drug and Cosmetic Act, 21 CFR Part 807 and based on the comparison of intended use, design, materials and performance, the Diode Laser Cap is to be concluded substantial equivalent to its 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.