The device is a personal lubricant for penile and/or vaginal application, intended to moisturize and lubricate, to enhance the ease and comfort of intimate sexual activity, and supplement the body's natural lubrication. This product is compatible with natural rubber and polyisoprene condoms. Not compatible with polyurethane condoms.
Device Story
Vaginal Moisturizing Gel is a non-sterile, water-based, colorless, transparent viscous gel; intended for over-the-counter use as a personal lubricant. Device is applied topically to penile or vaginal areas to enhance comfort during sexual activity. Product is supplied in 5g or 50g laminate tubes. Device is compatible with natural rubber latex and polyisoprene condoms; incompatible with polyurethane condoms. Healthcare providers do not operate the device; it is for patient self-use. Output is the physical lubrication provided by the gel, which aids in reducing friction during sexual activity, potentially increasing patient comfort.
Clinical Evidence
Bench testing only. No clinical data provided. Performance testing confirmed identical physical/chemical properties (pH 4.0-5.0, viscosity 55,000-100,000 cps, osmolality 1273 mOsm/kg) and coefficient of friction (0.186) compared to predicates. Shelf-life validated via accelerated aging and real-time studies (36 months for 50g, 18 months for 5g). Biocompatibility is identical to predicates.
Technological Characteristics
Water-based viscous gel. Materials: LDPE and foil laminate tubes. Physical specs: pH 4.0-5.0, viscosity 55,000-100,000 cps, osmolality 1273 ± 9 mOsm/kg. Non-sterile. No electronic components or software.
Indications for Use
Indicated for individuals requiring personal lubrication for penile and/or vaginal application to enhance comfort during sexual activity and supplement natural lubrication. Compatible with natural rubber latex and polyisoprene condoms; contraindicated for use with polyurethane condoms.
Regulatory Classification
Identification
A condom is a sheath which completely covers the penis with a closely fitting membrane. The condom is used for contraceptive and for prophylactic purposes (preventing transmission of sexually transmitted infections). The device may also be used to collect semen to aid in the diagnosis of infertility.
Special Controls
*Classification.* (1) Class II (special controls) for condoms made of materials other than natural rubber latex, including natural membrane (skin) or synthetic.(2) Class II (special controls) for natural rubber latex condoms. The guidance document entitled “Class II Special Controls Guidance Document: Labeling for Natural Rubber Latex Condoms Classified Under 21 CFR 884.5300” will serve as the special control. See § 884.1(e) for the availability of this guidance document.
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Food and Drug Administration 10903 New Hampshire Avenue Document Control Center - WO66-G609 Silver Spring, MD 20993-0002
July 21, 2017
Combe Incorporated Richard Grabarz, M.S., R. A. C. Sr. Manager Regulatory Affairs 1101 Westchester Avenue White Plains, NY 10604
Re: K171855
> Trade/Device Name: Vaginal Moisturizing Gel Regulation Number: 21 CFR§ 884.5300 Regulation Name: Condom Regulatory Class: II Product Code: NUC Dated: June 19, 2017 Received: June 21, 2017
Dear Richard Grabarz:
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.
{1}------------------------------------------------
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 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 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.
Joyce M. Whang -S
for
Benjamin R. Fisher, Ph.D. Director Division of Reproductive, Gastro-Renal, and Urological Devices Office of Device Evaluation Center for Devices and Radiological Health
Enclosure
{2}------------------------------------------------
# Indications for Use
510(k) Number (if known) K171855
Device Name Vaginal Moisturizing Gel
Indications for Use (Describe)
The device is a personal lubricant for penile and/or vaginal application, intended to moisturize and lubricate, to enhance the ease and comfort of intimate sexual activity, and supplement the body's natural lubrication. This product is compatible with natural rubber and polyisoprene condoms. Not compatible with polyurethane condoms.
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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{3}------------------------------------------------
#### 510(k) Summary
| Submitter: | Combe Incorporated<br>1101 Westchester Avenue<br>White Plains, NY 10604<br>Phone: 800-873-7400<br>Electronic: www.combe.com/contact | Device & Predicate<br>Device(s):<br>General Device<br>Characteristics | K171855 | K150615 | K141718 |
|---------------------------|----------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Official Correspondent: | Richard S. Grabarz, M.S., RAC<br>Sr. Manager Regulatory Affairs<br>Email: rgrabarz@combe.com<br>Phone: (914) 461-4467<br>Fax: (914) 697-7717 | Sponsor | Combe | Combe | Combe |
| Date Prepared: | July 20, 2017 | Indication for Use | The device is a<br>personal lubricant,<br>for penile and/or<br>vaginal application,<br>intended to<br>moisturize and<br>lubricate, to enhance<br>the ease and comfort<br>of intimate sexual<br>activity, and<br>supplement the<br>body's natural<br>lubrication. This<br>product is<br>compatible with<br>natural rubber latex<br>and polyisoprene<br>condoms. Not<br>compatible with<br>polyurethane<br>condoms. | The device is a<br>personal lubricant,<br>for penile and/or<br>vaginal<br>application,<br>intended to<br>moisturize and<br>lubricate, to<br>enhance the ease<br>and comfort of<br>intimate sexual<br>activity, and<br>supplement the<br>body's natural<br>lubrication. This<br>product is<br>compatible with<br>natural rubber<br>latex and<br>polyisoprene<br>condoms. | The device is a<br>personal lubricant,<br>for penile and/or<br>vaginal<br>application,<br>intended to<br>moisturize and<br>lubricate, to<br>enhance the ease<br>and comfort of<br>intimate sexual<br>activity, and<br>supplement the<br>body's natural<br>lubrication. This<br>product is<br>compatible with<br>polyisoprene<br>condoms only. |
| Device Proprietary Names: | Vaginal Moisturizing Gel | Formulation | Same (see Device<br>Description) | Identical | Identical |
| Device Common Name: | Personal Lubricant | Condom Compatibility | Natural rubber latex<br>and polyisoprene<br>condoms | Natural rubber<br>latex and<br>polyisoprene<br>condoms | Polyisoprene<br>condoms only |
| Classification: | 21 CFR 884.5300 (Condom) | Base Type | Water | Water | Water |
| Regulatory Class: | II | Packaging | Laminate tube | Single use pre-<br>filled applicator<br>with twist off cap | Laminate tube<br>with screw-on<br>plastic syringe |
| Product Code: | NUC (lubricant, personal) | Amount of lubricant in<br>package (g) | 5 and 50 | 5.9 | 28 |
| Predicate Device: | Internal Hydrating Gel (K141718) and Vaginal<br>Moisturizing Gel (K150615) | | | | |
The predicate devices have not been subject to a design-related recall.
### Device Description:
Vaginal Moisturizing Gel is a non-sterile, water based, colorless, transparent viscous gel. It is identical to the predicate devices except that it is packaged for use in tube sizes of either 5 or 50 grams (0.18oz. /1.8 oz.). Tubes are comprised of a laminate structure. The larger 50 gram size will utilize a flip-top cap while the smaller 5 gram size will utilize a screw on cap.
This device is compatible with natural rubber latex and polyisoprene condoms. This device is not compatible with polyurethane condoms. The following parameters are included as part of the device specification:
- Appearance ●
- Color
- Odor
- pH ●
- Viscosity ●
- Osmolality ●
{4}------------------------------------------------
- Antimicrobial effectiveness .
- Total Aerobic Microbial Count (TAMC) •
- Total Yeast and Mold Count (TYMC) •
- Absence of Pathogenic Organisms (at minimum Pseudomonas aeruginosa, . Staphylococcus aureus, and Candida albicans)
## Comparison of Indication for Use and Technological Characteristics:
{5}------------------------------------------------
| Applicator Length (mm) | | | |
|-----------------------------------------------|-------------------|-------------------|-------------------|
| Barrel | N/A | N/A | 118.49 ± 1.02 |
| Plunger | N/A | N/A | 124.90 ± 1.01 |
| Applicator Width/ Diameter (mm) | | | |
| Barrel | N/A | N/A | 11.18 ± 0.75 |
| Plunger | N/A | N/A | 14.22 ± 0.75 |
| Tube Length(mm) | | | |
| Tube | 58.8/127.0 | 66.68 ± 1 | 104.775 |
| Neck | 3.86/5.89 | 63.00 ± 1 | 5.56 |
| Tube Width (mm) | | | |
| Tube | 15.875/28.178 | 19.00 ± 0.2 | 22.225 |
| Neck | 3.937/6.350 | 14.00 ± 0.2 | 6.350 |
| Neck base | N/A | 6.42 ± 0.2 | N/A |
| Package color | N/A | Aqua exterior | Natural |
| Material Syringe | N/A | N/A | LDPE |
| Tube Material | | | |
| Tube | LDPE | LDPE | LDPE |
| Tube Body | Foil Laminate | Foil Laminate | Foil Laminate |
| | | | |
| Physical/Chemical | Acceptance range | Acceptance range | Acceptance range |
| Appearance | Clear translucent | Clear translucent | Clear translucent |
| pH | 4.0 - 5.0 | 4.0 - 5.0 | 4.0 - 5.0 |
| Viscosity | 55,000 - 100,000 | 55,000 - 100,000 | 55,000 – 100,000 |
| | cps | cps | cps |
| Osmolality (mOsm/kg) | 1273 ± 9 | 1273 ± 9 | 1273 ± 9 |
| Micro | | | |
| Total plate count | <100 cfu/g | <100 cfu/g | <100 cfu/g |
| Yeast and mold | < 10 cfu/g | < 10 cfu/g | < 10 cfu/g |
| Pseudomonas aeruginosa | Negative | Negative | Negative |
| Staphylococcus aureus<br>(coagulase positive) | Negative | Negative | Negative |
| Candida albicans | Negative | Negative | Negative |
| Performance: Coefficient of<br>Friction | 0.186 | 0.186 | 0.186 |
| Storage conditions | Room temp | Room temp | Room temp |
The subject device indication for use statement is similar to the primary predicate device (K141718), except that the subject device claims to be compatible with natural rubber latex condoms.
The subject device differs from the K141718 predicate device in the following ways:
- The subject device is provided in two sizes, a 5 & 50 gram laminate tube, while the 1. predicate device, Internal Hydrating Gel (K141718) is provided in a laminate tube (28 g) with a screw off cap of similar construction.
- 2. The subject device does not utilize any applicators/syringes. The previous predicate
{6}------------------------------------------------
device Internal Hydrating Gel (K141718) included 8 applicators/syringes for internal application.
The different technological characteristics described above do not raise different types of safety and effectiveness questions, as they are commonly encountered in 510(k) reviews for personal lubricants. These differences in packaging can be addressed through shelf-life testing.
## Performance Testing:
| Shelf Life | Vaginal Moisturizing Gel has a shelf life of 36 months for the<br>larger, 50 gram tube and a shelf life of 18 months for the smaller,<br>5 gram tube. The results of accelerated aging and real time studies<br>demonstrate that the subject device in the new packaging meets<br>its specifications over the duration of the proposed shelf life. |
|-------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Biocompatibility | Biocompatibility of the proposed device, External Moisturizing<br>Gel is identical to that of the predicate devices, Internal Hydrating<br>Gel (K141718) and Vaginal Moisturizing Gel (K150615). The<br>formulation of the subject device remains unchanged from that of<br>the predicate devices. |
| Performance Testing<br>Non-Clinical | Performance of the proposed device is identical to the predicate<br>devices, Internal Hydrating Gel (K141718) and Vaginal<br>Moisturizing Gel (K150615). |
### Conclusion:
The proposed device, Vaginal Moisturizing Gel, is substantially equivalent to the predicate devices.
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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.
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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.
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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.
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Reading rule for every project: how many summaries do you read in full?
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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.
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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.
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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.
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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.