The 0.9% Sodium Chloride Injection, USP, BD PosiFlush™ SafeScrub prefilled flush syringe with an integrated disinfection unit is intended to be used as a disinfection cleaner for needleless access devices attached to indwelling vascular access devices (VADs) and flushing of these VADs.
Device Story
BD PosiFlush SafeScrub is a sterile, single-use, pre-filled 10mL saline syringe with an integrated disinfection unit (DU). The device combines a 0.9% sodium chloride flush syringe with a disinfection cap containing 70% isopropyl alcohol (IPA) in a foam insert. Used by clinicians in clinical settings to disinfect needleless access devices (injection ports/female Luer hubs) and flush indwelling vascular access devices. The DU is snapped onto the modified syringe tip cap. Operation involves mechanical friction and chemical disinfection (IPA) via twisting the DU on the access device. The device ensures sterile fluid path maintenance and catheter patency; benefits include reduced risk of catheter-related bloodstream infections through standardized disinfection and flushing.
Clinical Evidence
Bench testing only. Testing included container closure integrity, leakage, torque removal, axial pull force, particulate ingress (USP <788>), antimicrobial efficacy (≥4-log reduction), IPA concentration, foam durability/retention, IPA ingress, and packaging integrity. Biocompatibility testing included cytotoxicity (ISO 10993-5), sensitization, irritation, acute systemic toxicity, material-mediated pyrogenicity, hemocompatibility (ISO 10993-4/ASTM F756), and endotoxin testing (USP <161>).
Technological Characteristics
Materials: Polypropylene (barrel, plunger, tip cap), styrene-butadiene rubber (stopper), silicone (lubricant), HDPE (DU housing), LDPE (foam). Energy: Manual operation. Connectivity: None. Sterilization: Moist heat (syringe), gamma irradiation (DU). Form factor: 10mL syringe with integrated DU. Standards: ISO 10993-1, ISO 11607-1:2019, USP <788>, USP <161>.
Indications for Use
Indicated for use as a disinfection cleaner for needleless access devices (e.g., needlefree connectors, Y-sites, stopcocks) attached to indwelling vascular access devices and for flushing said VADs.
Regulatory Classification
Identification
An intravascular catheter is a device that consists of a slender tube and any necessary connecting fittings and that is inserted into the patient's vascular system for short term use (less than 30 days) to sample blood, monitor blood pressure, or administer fluids intravenously. The device may be constructed of metal, rubber, plastic, or a combination of these materials.
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July 16, 2022
Becton, Dickinson and Company Samhitha Mohan Staff Regulatory Affairs Specialist 1 Becton Drive Franklin Lakes, New Jersey 07417
Re: K213955
Trade/Device Name: BD PosiFlush SafeScrub Regulation Number: 21 CFR 880.5200 Regulation Name: Intravascular Catheter Regulatory Class: Class II Product Code: OTI Dated: June 29, 2022 Received: July 1, 2022
Dear Samhitha Mohan:
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. 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 located 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.
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
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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 803) for devices or postmarketing safety reporting (21 CFR 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 4, Subpart A) for combination products; 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 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).
Sincerely,
Bifeng Oian, M.D., Ph.D Acting Assistant Director DHT4B: Division of Infection Control and Plastic Surgery Devices OHT4: Office of Surgical and Infection Control Devices Office of Product Evaluation and Ouality Center for Devices and Radiological Health
Enclosure
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## Indications for Use
510(k) Number (if known) K213955
Device Name BD PosiFlush™ SafeScrub
Indications for Use (Describe)
The 0.9% Sodium Chloride Injection, USP, BD PosiFlush™ SafeScrub prefilled flush syringe with an integrated disinfection unit is intended to be used as a disinfection cleaner for needleless access devices attached to indwelling vascular access devices (VADs) and flushing of these VADs.
| Type of Use (Select one or both, as applicable) | |
|-------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------|
| <div> <span> <span style="text-decoration: overline;">X</span> Prescription Use (Part 21 CFR 801 Subpart D) </span> </div> | Over-The-Counter Use (21 CFR 801 Subpart C) |
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# BD PosiFlush™ SafeScrub - K213955
# 510(k) Summary (21 CFR §807.92)
| Submitter<br>Information | Submitter Name:<br>Submitter Address:<br>Contact Person:<br>Email Address:<br>Phone Number:<br>Fax Number:<br>510(k) Number:<br>Date of Preparation: | Becton, Dickinson and Company<br>1 Becton Drive<br>Franklin Lakes<br>NJ 07417<br>Samhitha Mohan<br>Staff Regulatory Affairs Specialist<br>Samhitha.Mohan@bd.com<br>(214) 971-0979<br>(201) 847-5307<br>K213955<br>July 15, 2022 |
|---------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Subject Device | Trade Name:<br>Common Name:<br>Regulation Number:<br>Device Class:<br>Classification Name:<br>Classification Product<br>Code:<br>Classification Panel: | BD PosiFlush™ SafeScrub<br>Pre-filled Saline Syringe with Disinfection Unit<br>21 CFR 880.5200<br>Class II<br>Saline, Vascular Access Flush<br>QTI<br>General Hospital |
| Primary<br>Predicate Device | Trade Name: | 0.9% Sodium Chloride Injection, USP BD PosiFlush™ SP<br>Syringe |
| | 510(k) Number:<br>Classification Name:<br>Regulation Number:<br>Regulatory Class:<br>Product Code:<br>Classification Panel: | K161552<br>Saline, Vascular Access Flush<br>21 CFR 880.5200<br>Class II<br>NGT<br>General Hospital |
| Predicate Device | Trade Name:<br>510(k) Number:<br>Classification Name:<br>Regulation Number:<br>Regulatory Class:<br>Product Code:<br>Classification Panel: | SiteScrub IPA Device<br>K112791<br>Pad, Alcohol, Device Disinfectant<br>Unclassified<br>Unclassified<br>LKB<br>General Hospital |
| Device<br>Description | BD PosiFlush™ SafeScrub is a sterile, single use pre-filled saline syringe with integrated<br>Disinfection Unit (DU). The polypropylene syringe contains 0.9% sodium chloride (USP)<br>solution with a tip cap that is modified at the distal end to accommodate DU. The DU has<br>high density polyethylene housing with 70% Isopropyl Alcohol (IPA) solution in low<br>density polyethylene foam. The pre-filled syringe with modified syringe tip cap is sterilized<br>by moist heat and the DU is sterilized by gamma irradiation. The subject device is<br>available only in 10mL syringe configuration. | |
| Indications for<br>Use | The 0.9% Sodium Chloride Injection, USP, BD PosiFlush™ SafeScrub prefilled flush<br>syringe with an integrated disinfection unit is intended to be used as a disinfection cleaner<br>for needleless access devices attached to indwelling vascular access devices (VADs) and<br>flushing of these VADs. | |
| Technological<br>Characteristic-<br>s | | The following table provides a comparison between the subject and predicate devices – |
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| Attribute | Subject Device<br>(BD PosiFlush™<br>SafeScrub) | Primary Predicate<br>Device (0.9% Sodium<br>Chloride Injection, USP<br>BD PosiFlush™ SP<br>Syringe) – K161552 | Predicate Device<br>(SiteScrub IPA<br>Device) –<br>K112791 | Comparison |
|--------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Intended<br>Use/Indications for<br>Use | The 0.9% Sodium<br>Chloride Injection,<br>USP, BD PosiFlush™<br>SafeScrub prefilled<br>flush syringe with an<br>integrated disinfection<br>unit is intended to be<br>used as a disinfection<br>cleaner for needleless<br>access devices<br>attached to indwelling<br>vascular access<br>devices (VADs) and<br>flushing of these<br>VADs. | The 0.9% Sodium Chloride<br>Injection, USP, BD<br>PosiFlush™ SP Syringe is<br>intended to be used only<br>for the flushing of<br>indwelling vascular access<br>devices. Catalog Number<br>306547 10 mL BD<br>PosiFlush™ SP Syringes<br>are generally compatible<br>for use with syringe<br>pumps. | The Site-Scrub IPA<br>Device is intended<br>for use on<br>injection ports and<br>female Luer hubs<br>as a disinfecting<br>cleaner. | The intended use of<br>the subject device is<br>created by combining<br>the intended use of<br>both the predicates.<br>The subject device's<br>intended use does not<br>include pump<br>compatible statement<br>since PosiFlush™<br>SafeScrub is not<br>intended to be used<br>with pumps.<br>Additionally, subject<br>device's intended use<br>refers to injection<br>ports and female Luer<br>hubs as needleless<br>access devices. |
| Operating<br>Principle | Same as predicates | The pre-filled USP 0.9%<br>saline syringe flushes<br>indwelling vascular access<br>devices | 70% IPA solution<br>i.e., antimicrobial<br>agent and active<br>mechanical friction<br>from the foam aids<br>in disinfection | Identical |
| Disinfectio<br>-n Time | Same as predicate | N/A | Twist back and<br>forth for at least 8<br>repetitions, for a<br>minimum of 10<br>seconds | Identical |
| Target<br>microorga<br>nisms<br>for in vitro<br>antimicrob<br>-ial<br>efficacy | • Staphylococcus<br>aureus<br>• Staphylococcus<br>epidermidis<br>• Escherichia coli<br>• Pseudomonas<br>aeruginosa<br>• Candida albicans<br>• Candida glabrata<br>• Acinetobacter<br>baumannii | N/A | • Staphylococcus<br>aureus<br>• Staphylococcus<br>epidermidis<br>• Escherichia coli<br>• Pseudomonas<br>aeruginosa<br>• Candida albicans<br>• Candida<br>parapsilosis | Identical except<br>for Acinetobacter<br>baumannii, Candida<br>glabrata and Candida<br>parapsilosis. In<br>vitro antimicrobial<br>efficacy testing<br>was performed for<br>all the<br>microorganisms |
| Syringe<br>Configura-<br>tion | 10mL only | 3mL, 5mL and 10mL | N/A | Subject device does<br>not include 3 and 5mL<br>syringe configurations |
| Device<br>Compone-<br>nts | • Barrel<br>• 0.9% NaCl solution<br>• Plunger Rod<br>• Modified Tip Cap<br>• Stopper Lubricant<br>• Stopper<br>• Modified Housing<br>• Foam<br>• 70% IPA solution | • Barrel<br>• 0.9% NaCl solution<br>• Plunger Rod<br>• Tip Cap<br>• Stopper Lubricant<br>• Stopper | • Housing<br>• Foam<br>• 70% IPA<br>solution | All the components are<br>identical in design with<br>the exception of tip<br>cap and housing. The<br>distal end of tip cap<br>and DU housing are<br>modified to snap fit<br>with each other to<br>form PosiFlush™<br>SafeScrub |
| Barrel<br>Material | Same as predicate | Polypropylene | N/A | Identical |
| Plunger<br>Rod<br>Material | Same as predicate | Polypropylene | N/A | Identical |
| Stopper<br>Material | Same as predicate | Styrenebutadiene rubber | N/A | Identical |
| Stopper<br>Lubricant<br>Material | Same as predicate | Silicone | N/A | Identical |
| Tip Cap<br>Material | Same as predicate | Polypropylene w/<br>White Colorant | N/A | Identical |
| DU<br>Housing<br>Material | Same as predicate<br>w/white colorant | N/A | High Density<br>Polyethylene<br>(HDPE) w/blue<br>colorant | HDPE material in DU is<br>identical to SiteScrub's<br>housing material. The<br>subject device's DU<br>has white colorant to<br>match with the color of<br>the tip cap. Colorant<br>differences are<br>assessed as per<br>ISO 10993-1 |
| Foam<br>Material | Same as predicate | N/A | Low Density<br>Polyethylene<br>(LDPE) | Identical |
| Foam<br>Base<br>Colorant | Same as predicate | N/A | Copper<br>phthalocyanine<br>blue | Identical |
| Packaging<br>Configurat<br>ion | Same as predicates | • Flow wrap<br>• Shelf Carton<br>• Case Carton | Top Foil | Identical with the<br>exception of top foil<br>material. Appropriate<br>packaging tests are<br>performed to ensure<br>top foil maintains<br>sterile barrier to the<br>DU |
| Sterilizatio<br>-n Mode | Same as predicates | Moist heat | Gamma | Identical |
| SAL | Same as predicates | 10-6 (Sterile Fluid Path) | 10-6 (Sterile Fluid<br>Path) | Identical |
| Shelf Life | 0.5 years | 3 years | 9 months | Subject device shelf<br>life has been assessed<br>by appropriate bench<br>performance testing |
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### Discussion:
The subject device and predicate devices are different with respect to the following items:
- 1. The intended use of the subject device is identical to the predicates with the exception of pump compatibility statement since PosiFlush™ SafeScrub is not intended to be used with infusion pumps. The subject device refers to injection ports and female Luer hubs as needleless access devices. Needleless access devices include needlefree connector, Y-sites, and stopcocks.
- 2. PosiFlush™ SafeScrub is created by combining the predicate devices (K161552 and K112791). The distal end of tip cap of PosiFlush SP syringe (K161552) and the housing of SiteScrub IPA Device (K112791) are dimensionally modified to integrate such that they remain attached to each other at all times. This integration/interface is evaluated by torque rotation and axial pull force tests throughout the shelf life.
NOTE: The modified SiteScrub IPA Device in PosiFlush™ SafeScrub is referred as Disinfection Unit (DU).
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- 3. The microorganisms targeted by DU in the in vitro antimicrobial efficacy test were chosen based on the current literature search for microorqanisms that cause catheter related bloodstream infection.
- 4. The material of top foil which creates a seal on the DU housing has been updated from the SiteScrub IPA Device to comply with ISO 11607-1:2019 and for vendor consolidation purposes. Similar to the predicate device, the new top foil material also ensures that it retains sterile barrier integrity and accordingly packaging tests such as vacuum bubble leak test, peel force test, seal width, visual inspection, and porosity tests are performed.
- 5. Since the colorant of DU housing is changed from blue to white, appropriate biocompatibility tests are performed as per ISO 10993-1 to ensure the safe use of PosiFlush™ SafeScrub. The biocompatibility tests performed on the DU are identified below. The colorant was changed from blue to white to match with the color of tip cap.
- 6. The subject device is also evaluated throughout its shelf life by bench performance testing to ensure that the device meets the predetermined acceptance criteria.
The different technological characteristics between the subject and predicate device are evaluated in bench performance testing, in vitro antimicrobial efficacy, packaging integrity, and biocompatibility tests demonstrating that the different technological characteristics do not raise any new or different questions of safety and effectiveness.
| Test | Purpose | Acceptance Criteria | Result | |
|----------------------------------------------|----------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------|------|
| Performance/Design Verification Tests | | | | |
| Container<br>Closure<br>Integrity | Evaluate sterile barrier system<br>for the syringe | No dye within the<br>syringe | Pass | |
| Leakage Test | Evaluate sterile barrier system<br>for the syringe | No leakage from the<br>syringe | Pass | |
| | | | | |
| Torque<br>Removal<br>Test | Evaluate tip cap removal | Tip Cap can be twisted<br>off as per BD validated<br>force | Pass | |
| Sterile Fluid<br>Path | Evaluate the syringe's fluid path<br>sterility | SAL: 10-6 | Pass | |
| Axial Pull<br>Force | Evaluate the potential separation | DU cannot be pulled off<br>per BD validated force | Pass | |
| Torque | of Tip Cap from Disinfecting Unit<br>(DU) | DU cannot be twisted off<br>as per BD validated<br>force | Pass | |
| Particulate<br>Ingress | Evaluate per USP <788> | USP <788> | Pass | |
| Antimicrobial<br>Efficacy | Evaluate disinfection efficacy of<br>the DU | ≥ 4-log reduction | Pass | |
| 70% IPA<br>Concentrat-<br>ion | Evaluate IPA concentration over<br>shelf life for the DU | 70±7% | Pass | |
| Foam<br>Rotation | Evaluate foam rotation during<br>use | Foam should not rotate<br>>90 degrees within the<br>DU housing during use | Pass | |
| Foam | Evaluate foam retention before<br>and during use | Foam must be retained<br>within the DU | Pass | |
| Retention | Evaluate foam retention after use | Foam must be retained<br>within DU after<br>scrubbing | Pass | |
| Foam<br>Durability | Evaluate foam for evidence of<br>ripped or ragged material and<br>debris or particulate | No ripped or ragged<br>material and debris or<br>particulate | Pass | |
| Foam<br>Compressibili | Evaluate foam for wetness and<br>compressibility | Foam must be wet and<br>compressible | Pass | |
| | ty and<br>Wetness | | | |
| | 70% IPA<br>Ingress | Evaluate IPA ingress that may<br>enter the patient IV line | Maximum dose of 2 mg<br>IPA/kg body mass/day<br>per US EPA | Pass |
| | Package<br>integrity of<br>DU | Evaluate sterile barrier system of<br>the DU | Bubble Leak as per<br>ASTM F2096 | Pass |
| | | | Seal Width $\geq$ 0.58 mm | Pass |
| | | | No delamination | Pass |
| | | | Peel Force shall be<br>within:<br>USL: $\leq$ 12.9 N<br>LSL: $\geq$ 3.69 N | Pass |
| | | | Microbial properties as<br>per ISO 11607-1:2019 | Pass |
| | Biocompatibility | | | |
| | Cytotoxicity | ISO 10993-5:2009<br>Biological evaluation of medical<br>devices - Part 5: Tests for in vitro<br>cytotoxicity | Grade $\leq$ 2 | Pass |
| | Sensitization | ISO 10993-10:2010<br>Biological evaluation of medical<br>devices - Part 10: Tests for<br>irritation and skin sensitization | Non-Sensitizer | Pass |
| Irritation or<br>Intracutaneo<br>us Activity | ISO 10993-10:2010<br>Biological evaluation of medical<br>devices - Part 10: Tests for<br>irritation and skin sensitization | Final Test Sample Score<br>$\le$ 1 | Pass | |
| Acute<br>Systemic<br>Toxicity | ISO 10993-11:2017<br>Biological evaluation of medical<br>devices — Part 11: Tests for<br>systemic toxicity | No significantly greater<br>biological reaction than<br>the control | Pass | |
| Material<br>Mediated<br>Pyrogenicity | ISO 10993-11:2017<br>Biological evaluation of medical<br>devices - Part 11: Tests for<br>systemic toxicity | No temperature rise $\ge$<br>0.5° C | Pass | |
| Hemocompat<br>ibility | ISO 10993-4:2017 Biological<br>evaluation of medical devices<br>Part 4: Selection of tests for<br>interactions with blood | $\le$ 5% hemolysis | Pass | |
| | ASTM F756-17 Standard Practice<br>for Assessment of Hemolytic<br>Properties of Materials | | | |
| LAL<br>Endotoxin | USP 43-NF38 <161> Medical<br>Devices - Bacterial Endotoxin | Below the Endotoxin<br>Limit 20 EU/device | Pass | |
| Extractable<br>and<br>Leachable<br>Analysis | ISO 10993-18:2020 Biological<br>evaluation of medical devices -<br>Part 18: Chemical<br>characterization of materials | N/A | Toxicolo-<br>gical Risk<br>Assessm-<br>ent | |
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The 2 main components of BD PosiFlush™ SafeScrub are sterilized as follows:
- 1. Pre-filled saline syringe with modified syringe tip cap is sterilized by moist heat
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| Clinical Testing | Not applicable. |
|------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Conclusion | The BD PosiFlush™ SafeScrub is as safe and as effective and performs as well as or better than the legally marketed devices, 0.9% Sodium Chloride Injection, USP BD PosiFlush SP Syringe and SiteScrub IPA Device. |
| | 2. DU is sterilized by gamma irradiation<br>The subject device met all the predetermined acceptance criteria for the above listed performance tests. |
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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.