K241342 · Shenzhen Nuon Medical Equipment Co., Ltd. · OAP · Nov 8, 2024 · Physical Medicine
Device Facts
Record ID
K241342
Device Name
Hair Growth Comb (SZ-23,SZ-23A)
Applicant
Shenzhen Nuon Medical Equipment Co., Ltd.
Product Code
OAP · Physical Medicine
Decision Date
Nov 8, 2024
Decision
SESE
Submission Type
Traditional
Regulation
21 CFR 890.5500
Device Class
Class 2
Attributes
Therapeutic
Indications for Use
The Hair Growth Comb (Model: SZ-23, SZ-23A) is indicated to treat Androgenetic Alopecia and promote hair growth in males who have Norwood- Hamilton Classifications of Ila - V patterns of hair loss and to treat Androgenetic Alopecia and promote hair growth in females who have Ludwig-Savin Scale 1-1 to 1-4, Il-1, Il-2 or frontal patterns of hair loss; both with Fitzpatrick Skin Types I - IV.
Device Story
Handheld comb-shaped device; emits 650nm (±10nm) LED light to scalp; comb teeth part hair to ensure light delivery. Powered by rechargeable lithium battery; single-button operation; automatic 10-minute treatment shut-off. Used in home environment by patient. Output is non-laser light therapy; intended to stimulate hair follicles to promote growth. Benefits patient by providing non-invasive treatment for androgenetic alopecia.
Clinical Evidence
No clinical data. Bench testing only, including electrical safety, EMC, photobiological safety, and biocompatibility (ISO 10993-5, ISO 10993-10).
Indicated for males (Norwood-Hamilton IIa-V) and females (Ludwig-Savin I-1 to I-4, II-1, II-2 or frontal patterns) with Androgenetic Alopecia and Fitzpatrick Skin Types 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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November 8, 2024
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Shenzhen Nuon Medical Equipment Co., Ltd Alain Dijkstra Regulatory Affairs Engineer 1F-3F, No.27-2, Xintang Rd, Xintian Comm, Fuhai Str, Baoan Dist Shenzhen, GuangDong 518000 China
Re: K241342
Trade/Device Name: Hair Growth Comb (SZ-23,SZ-23A) Regulation Number: 21 CFR 890.5500 Regulation Name: Infrared Lamp Regulatory Class: Class II Product Code: OAP Dated: September 26, 2024 Received: September 26, 2024
Dear Alain Dijkstra:
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 (the 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. Although this letter refers to your product as a device, please be aware that some cleared products may instead be combination products. The 510(k) Premarket Notification Database available at https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfpmn/pmn.cfm identifies combination product submissions. 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.
Additional information about changes that may require a new premarket notification are provided in the FDA guidance documents entitled "Deciding When to Submit a 510(k) for a Change to an Existing Device"
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(https://www.fda.gov/media/99812/download) and "Deciding When to Submit a 510(k) for a Software Change to an Existing Device" (https://www.fda.gov/media/99785/download).
Your device is also subject to, among other requirements, the Quality System (QS) regulation (21 CFR Part 820), which includes, but is not limited to, 21 CFR 820.30. Design controls; 21 CFR 820.90. Nonconforming product; and 21 CFR 820.100, Corrective and preventive action. Please note that regardless of whether a change requires premarket review. the OS regulation requires device manufacturers to review and approve changes to device design and production (21 CFR 820.30 and 21 CFR 820.70) and document changes and approvals in the device master record (21 CFR 820.181).
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 of medical device-related adverse events) (21 CFR Part 803) for devices or postmarketing safety reporting (21 CFR Part 4, Subpart B) for combination products (see https://www.fda.gov/combination-products/guidance-regulatory-information/postmarketing-safety-reportingcombination-products); good manufacturing practice requirements as set forth in the quality systems (QS) regulation (21 CFR Part 820) for devices or current good manufacturing practices (21 CFR Part 4, Subpart A) for combination products; and, if applicable, the electronic product radiation control provisions (Sections 531-542 of the Act); 21 CFR Parts 1000-1050.
All medical devices, including Class I and unclassified devices and combination product device constituent parts are required to be in compliance with the final Unique Device Identification System rule ("UDI Rue"). The UDI Rule requires, among other things, that a device bear a unique device identifier (UDI) on its label and package (21 CFR 801.20(a)) unless an exception or alternative applies (21 CFR 801.20(b)) and that the dates on the device label be formatted in accordance with 21 CFR 801.18. The UDI Rule (21 CFR 830.300(a) and 830.320(b)) also requires that certain information be submitted to the Global Unique Device Identification Database (GUDID) (21 CFR Part 830 Subpart E). For additional information on these requirements, please see the UDI System webpage at https://www.fda.gov/medical-devices/device-advicecomprehensive-regulatory-assistance/unique-device-identification-system-udi-system.
Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21 CFR 807.97). For questions regarding the reporting of adverse events under the MDR regulation (21 CFR Part 803), please go to https://www.fda.gov/medical-device-safety/medical-device-reportingmdr-how-report-medical-device-problems.
For comprehensive regulatory information about mediation-emitting products, including information about labeling regulations, please see Device Advice (https://www.fda.gov/medicaldevices/device-advice-comprehensive-regulatory-assistance) and CDRH Learn (https://www.fda.gov/training-and-continuing-education/cdrh-learn). 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 (https://www.fda.gov/medical-device-advice-comprehensive-regulatoryassistance/contact-us-division-industry-and-consumer-education-dice) for more information or contact DICE by email (DICE@fda.hhs.gov) or phone (1-800-638-2041 or 301-796-7100).
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Sincerely,
Digitally signed by Yan Fu -S
Yan Fu -S Date: 2024.11.08 13:45:57
-05'00'
for Tanisha Hithe Assistant Director DHT4A: Division of General Surgery Devices OHT4: Office of Surgical and Infection Control Devices Office of Product Evaluation and Quality Center for Devices and Radiological Health
Enclosure
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# Indications for Use
Submission Number (if known)
K241342
Device Name
Hair Growth Comb (SZ-23,SZ-23A)
#### Indications for Use (Describe)
The Hair Growth Comb (Model: SZ-23 ,SZ-23A,) is indicated to treat Androgenetic Alopecia and promote hair growth in males who have Norwood- Hamilton Classifications of Ila - V patterns of hair loss and to treat Androgenetic Alopecia and promote hair growth in females who have Ludwig-Savin Scale 1-1 to 1-4, Il-1, Il-2 or frontal patterns of hair loss; both with Fitzpatrick Skin Types 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) number: K241342
This summary of 510(k) safety and effectiveness information is being submitted in accordance with the requirement of 21 CFR 807.92.
#### 1. Submitter's Information
Sponsor Name: Shenzhen Nuon Medical Equipment Co., Ltd Establishment Registration Number: 3030541658 Address: 1st Floor-3rd Floor, No. 27-2, Xintang Road, Xintian Community, Fuhai Street, Baoan District, Shenzhen, Guangdong, China
Contact Person (including title): Alain Dijkstra (CEO) Tel: +86-755-82129361 Fax: +86-755-25024651 E-mail: alaindijkstra@nuonmedical.com
#### 2. Subject Device Information
Trade Name: Hair Growth Comb Model:SZ-23, SZ-23A Classification Name: Laser, Comb, Hair (OAP) Review Panel: General & Plastic Surgery Product Code: OAP Regulation Number: 21 CFR 890.5500 Regulation Class: II
#### 3. Predicate Device Information
#### 3.1 Predicate Device 1 (K230579)
Sponsor: Light Tree Ventures Europe B.V. Trade Name: Aduro Comb Classification Name: Laser, Comb, Hair 510(k) Number: K230579 Review Panel: General & Plastic Surgery Product Code: OAP Regulation Number: 21 CFR 890.5500 Regulation Class: II
### 3.2 Predicate Device (K211038)
Sponsor: Biophotas Inc Trade Name: Biophotas Celluma RESTORE Classification Name: Laser, Comb, Hair 510(k) Number: K211038 Review Panel: General & Plastic Surgery Product Code: OAP Regulation Number: 21 CFR 890.5500 Regulation Class: II
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#### 3.3 Predicate Device 3 (K222477)
Sponsor: Dongguan Lescolton Medical Equipment Co., Ltd Trade Name: Hair Growth Device Classification Name: Laser, Comb, Hair 510(k) Number: K222477 Review Panel: General & Plastic Surgery Product Code: OAP Regulation Number: 21 CFR 890.5500 Regulation Class: II
#### 4. Device Description
The Hair Growth Comb is (Model: SZ-23, SZ-23A) a comb-shaped device that emits led light with the intention to promote hair growth. The device provides distributed led to the scalp at 650nm (±10nm) while the comb teeth simultaneously part the user's hair to ensure the light reaches the user's scalp. The device is designed as a handheld product, and it consists of the main unit, the charging dock and a power cable, as well as it is powered by the built-in rechargeable lithium battery. The device has only one key for switching on and off the device and it will automatically shut down after a 10-minute treatment is completed.
#### 5. Intended Use / Indications for Use
The Hair Growth Comb (Model: SZ-23, SZ-23A) is indicated to treat Androgenetic Alopecia and promote hair growth in males who have Norwood- Hamilton Classifications of Ila - V patterns of hair loss and to treat Androgenetic Alopecia and promote hair growth in females who have Ludwig-Savin Scale I-1 to I-4, II-1, II-2 or frontal patterns of hair loss; both with Fitzpatrick Skin Types I - IV.
### 6. Comparison to Predicate Device
Compared with the predicate device, the subject device has similar in the design principle, the intended use, the indications for use, functions and applicable standards. The differences between the subject device and the predicate device do not raise any new questions of safety or effectiveness.
| Elements of<br>Comparison | Subject Device | Predicate Device<br>1 | Predicate<br>Device 2 | Reference<br>Device | Remark |
|----------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------|
| Company | Shenzhen Nuon<br>Medical<br>Equipment Co.,<br>Ltd | Light Tree<br>Ventures Europe<br>B.V. | Biophotas Inc | Dongguan<br>Lescolton<br>Medical<br>Equipment Co.,<br>Ltd | -- |
| Trade Name | Hair Growth<br>Comb | Aduro Comb<br>(Model: SZ-22A) | Biophotas<br>Celluma<br>RESTORE | Hair Growth<br>Device | -- |
| Classification<br>Name | Laser, Comb,<br>Hair (OAP) | Laser, Comb, Hair<br>(OAP) | Laser, Comb,<br>Hair (OAP) | Laser, Comb,<br>Hair (OAP) | -- |
| 510(k) Number | Applying | K230579 | K211038 | K222477 | -- |
| Product Code | OAP | OAP | OAP | OAP | SE |
| Intended Use / | The hair growth | The Aduro Comb | The BioPhotas | The Hair Growth | SE |
| Elements of<br>Comparison | Subject Device | Predicate Device<br>1 | Predicate<br>Device 2 | Reference<br>Device | Remark |
| Indications for<br>Use | Comb (Model:<br>SZ-23, SZ-23A)<br>is indicated to<br>treat<br>Androgenetic<br>Alopecia and<br>promote hair<br>growth in males<br>who have<br>Norwood-<br>Hamilton<br>Classifications of<br>Ila - V patterns of<br>hair loss and to<br>treat<br>Androgenetic<br>Alopecia and<br>promote hair<br>growth in<br>females who<br>have Ludwig-<br>Savin Scale I-1<br>to I-4, II-1, II-2 or<br>frontal patterns<br>of hair loss; both<br>with Fitzpatrick<br>Skin Types I – IV. | (Model: SZ-22A)<br>is indicated to<br>treat Androgenetic<br>Alopecia and<br>promote hair<br>growth in males<br>who have<br>Norwood-<br>Hamilton<br>Classifications of<br>Ila - V patterns of<br>hair loss and to<br>treat Androgenetic<br>Alopecia and<br>promote hair<br>growth in females<br>who have Ludwig-<br>Savin Scale I-1 to<br>1-4, II-1, II-2 or<br>frontal patterns of<br>hair loss; both<br>with Fitzpatrick<br>Skin Types I - IV. | Celluma<br>RESTORE is<br>indicated to treat<br>Androgenetic<br>Alopecia and<br>promote hair<br>growth in males<br>who have<br>Norwood-<br>Hamilton<br>Classifications<br>of lla - V<br>patterns of hair<br>loss and to treat<br>Androgenetic<br>Alopecia and<br>promote hair<br>growth in<br>females who<br>have Ludwig-<br>Savin Scale I-1<br>to 1-4, II-1, II-2<br>or frontal<br>patterns of hair<br>loss; both with<br>Fitzpatrick Skin<br>Types I - IV. | Device is<br>indicated to<br>promote hair<br>growth in males<br>with<br>androgenetic<br>alopecia who<br>have Hamilton-<br>Norwood<br>Classifications of<br>Ila-V and<br>females with<br>androgenetic<br>alopecia who<br>have Ludwig-<br>Savin<br>Classifications of<br>I-II and<br>Fitzpatrick<br>Classification of<br>Skin Phototypes<br>I to IV. All users<br>should have<br>Fitzpatrick Skin<br>Types I to IV. | |
| Wavelengths | 650±10nm | 650±10nm | 640nm (±25nm) | 650-660nm | SE |
| Treatment time | Each Treatment:<br>30 min<br>Total Treatment:<br>every other day,<br>for 16 weeks | Each Treatment:<br>30 min<br>Total Treatment:<br>every other day,<br>for 16 weeks | Each<br>Treatment:30<br>min Total<br>Treatment:<br>every other day,<br>for 16 weeks | LS-D620: 20<br>minutes each<br>time for 16<br>weeks<br>LS-D630: 12<br>minutes each<br>time for 16<br>weeks | SE |
| Treatment area | 31.5 cm² | 31.5 cm² | 475 cm² | No publicly<br>available | SE |
| Energy density<br>(mw/cm²) | SZ-23: 2.77<br>mw/cm²<br>SZ-23A:<br>5.54mw/cm² | 2.77 mw/cm² | 2.77 mw/ cm² | 40mW/cm² | SE<br>NOTE 1 |
| Elements of<br>Comparison | Subject Device | Predicate Device 1 | Predicate Device 2 | Reference Device | Remark |
| Treatment<br>Dose(J/cm²) | SZ-23: 4.98 J/<br>cm²<br>SZ-23A: 9.96 J/<br>cm2 | 4.98 J/ cm² | 4.98 J/ cm² | No publicly<br>available | SE<br>NOTE 2 |
| Energy Source | Light emitting<br>diodes | Light emitting<br>diodes | Light emitting<br>diodes | Low-level laser<br>diodes | SE |
| Number of<br>LEDs | SZ-23: 22 LEDs<br>SZ-23A: 11 LEDs | 22 LEDs | No publicly<br>available | LS-D620 Laser<br>diodes: 80<br>LS-D630 Laser<br>diodes: 162 | SE |
| Power supply | Input: DC 5 V, 2<br>A<br>Battery: DC 3.7<br>V, 600 mAh, 2.22<br>Wh | Input: 100-240V~,<br>50/60Hz,<br>0.35Amax<br>Output:5V, 2A<br>Battery: DC 3.7 V,<br>600 mAh, 2.22<br>Wh | 110-120V | No publicly<br>available | SE |
| Location for<br>Use | OTC | OTC | OTC | OTC | SE |
| Safety and<br>EMC | IEC 60601-1<br>IEC 60601-1-11<br>IEC 62471<br>IEC 60601-2-57<br>IEC 60601-1-2<br>IEC 62133-2 | IEC 60601-1<br>IEC 60601-1-11<br>IEC 62471<br>IEC 60601-2-57<br>IEC 60601-1-2<br>IEC 62133-2 | IEC 60601-1<br>IEC 60601-1-2 | IEC 60601-1<br>IEC 60601-1-11<br>IEC 60601-2-57<br>IEC 60601-1-2<br>IEC 60825-1 | SE |
| Biocompatibility | All patient<br>contacting<br>materials comply<br>with ISO 10993-<br>5, ISO 10993-10 | All patient<br>contacting<br>materials comply<br>with ISO 10993-5,<br>ISO 10993-10 | All patient<br>contacting<br>materials<br>comply with ISO<br>10993-5, ISO<br>10993-10 | All patient<br>contacting<br>materials comply<br>with ISO 10993-<br>1, ISO 10993-5,<br>ISO 10993-10 | SE |
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# 7. Test Summary
# 7.1 Non-Clinical Tests Performed
# 1) Electrical safety, and electromagnetic compatibility
Non-clinical tests were performed on the subject device in order to validate the design and to assure conformance with the following voluntary design standards in connection with medical device electrical safety, and electromagnetic compatibility:
- ANSI/AAMI ES60601-1: 2005 & A1:2012 & A2:2021 Medical electrical equipment Part 1: General req . uirements for basic safety and essential performance. / IEC 60601-1:2005+AMD1:2012+AMD2:2020 E dition 3.2
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- � IEC 60601-1-11: 2015+AMD1:2020 Edition 2.1 Medical Electrical Equipment --Part 1: General Require ments for Basic Safety and Essential Performance --Collateral Standard: Requirements for Medical Ele ctrical Equipment and Medical Electrical Systems Used in the Home Healthcare Environment.
- � IEC 60601-2-57: 2023 Edition 2.0 Medical Electrical Equipment - Part 2-57: Particular requirements for the basic safety and essential performance of non-laser light source equipment intended for therapeuti c, diagnostic, monitoring and cosmetic/aesthetic use.
- � IEC 60601-1-2: 2014+AMD1:2020 Edition 4.1 Medical electrical equipment - Part 1-2: General require ments for basic safety and essential performance - Collateral Standard: Electromagnetic disturbances -Requirements and tests.
- ◆ IEC 62471: 2006 First edition Photobiological safety of lamps and lamp systems.
- � IEC 62133-2: 2017+AMD1:2021 Edition1.0 Secondary cells and batteries containing alkaline or other n on-acid electrolytes - Safety requirements for portable sealed secondary cells, and for batteries made from them, for use in portable applications - Part 2: Lithium systems.
- � IEC 60601-1-6: 2010+AMD1:2013+AMD2:2020 Edition 3.2 Medical electrical equipment - Part 1-6: Ge neral requirements for basic safety and essential performance - Collateral standard: Usability
- � IEC 62366-1: 2015+AMD1:2020 Edition 1.1 Medical devices - Part 1: Application of usability engineeri ng to medical devices
## 2) Biocompatibility
There is one patient directly contracting materials in the subject device as the following list.
| Component of | Material of | Body Contact Category<br>(ISO 10993-1) | Contact Duration (ISO<br>10993-1) |
|------------------|-------------|----------------------------------------|-----------------------------------|
| Device Requiring | Component | | |
| Shell | PC+ABS | Surface-skin | Less than 24 hours |
The Nature of body contact is surface, skin contact. And the contact duration is less than 24 hours. According to "Table A.1 - Initial evaluation tests for consideration" in ISO 10993-1, the applicable biological effect is:
- Cytotoxicity (ISO 10993-5) �
- Sensitization (ISO 10993-10) �
- � Irritation or intracutaneous reactivity (ISO 10993-10)
Hair Growth Comb (Model: SA-23, SA-23A) is biocompatible for its intended use. They are complied with biocompatibility standards ISO 10993-5 (Cytotoxicity) and ISO 10993-10 (Irritation and Sensitization). So, ISO 10993-5 and ISO 10993-10 test reports have been provided.
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#### 3) Software verification and validation testing
Software verification and validation testing were conducted and documentation was provided as recommended by the IEC 62304 and FDA's Guidance for Industry and FDA Staff, "Content of Premarket Submissions for Device Software Functions - Guidance for Industry and Food and Drug Administration Staff" The level of the documentation of the software for was considered as a "basic" level, since a failure or a latent design flaw could directly lead to a minor Injury to the patient or operator.
#### 7.2 Summary of Clinical Performance
Clinical testing was not needed for this 510(k). The non-clinical performance testing described above is sufficient to support that the device can be used safely and effectively.
#### 8.Conclusion:
The proposed device uses technology that is similar to the predicate device. The technology and design do not raise new types of questions regarding safety and effectiveness for the proposed indications for use and the performance testing supports that the device can be used safely and effectively for the proposed indications for use. The proposed device is considered to be substantially equivalent to the predicate device K230579, K211038 and K222477.
# Summary Prepared Date:2024-11-7
Version: V5.0
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.