K203738 · Medex · FMF · Mar 14, 2022 · General Hospital
Device Facts
Record ID
K203738
Device Name
Qitexio
Applicant
Medex
Product Code
FMF · General Hospital
Decision Date
Mar 14, 2022
Decision
SESE
Submission Type
Traditional
Regulation
21 CFR 880.5860
Device Class
Class 2
Attributes
Therapeutic, Pediatric
Indications for Use
Qitexio Luer Lock Syringes are manual devices used to inject fluids into the body. They are also used for delivery of Lipiodol (Ethiodized Oil) Injection.
Device Story
Qitexio Luer Lock Syringe is a disposable, manual, five-piece piston syringe (1, 3, 20 mL) used to inject fluids into the body, specifically including Lipiodol (Ethiodized Oil) contrast media. Device consists of a clear polyamide barrel, polyamide plunger, silicone O-ring, rotative finger flange, and backstop. Operated manually by advancing/withdrawing the plunger. Used by clinicians to deliver contrast agents; output is the controlled injection of fluid. Benefits include compatibility with oil-based contrast media and accurate fluid delivery. Sterilized via gamma radiation.
Clinical Evidence
Bench testing only. Compliance with ISO 7886-1 (manual syringes) and ISO 80369-7 (connectors). Biocompatibility per ISO 10993 (cytotoxicity, irritation, sensitization, acute systemic toxicity, hemolysis, material-mediated pyrogenicity). Particulate matter testing per USP <788>. Sterilization validation per ISO 11137-1/2. Package integrity testing per ASTM F1886, F88, F1929, F2096, and ISO 11607-1.
Technological Characteristics
Five-piece piston syringe; barrel (polyamide), plunger (polyamide), seal (silicone). Male luer lock fitting. Manual operation. Volumes: 1, 3, 20 mL. Sterilization: Gamma radiation (25-50 kGy). Standards: ISO 7886-1, ISO 80369-7, ISO 10993, ISO 11137-1/2, USP <788>.
Indications for Use
Indicated for injection of fluids into the body and delivery of Lipiodol (Ethiodized Oil) Injection in adults and pediatric patients.
Regulatory Classification
Identification
A piston syringe is a device intended for medical purposes that consists of a calibrated hollow barrel and a movable plunger. At one end of the barrel there is a male connector (nozzle) for fitting the female connector (hub) of a hypodermic single lumen needle. The device is used to inject fluids into, or withdraw fluids from, the body.
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March 14, 2022
Medex % Matthew Helmi Regulatory Affairs Associate Guerbet LLC 821 Alexander Road, Suite 204 Princeton. New Jersev 08540
Re: K203738
Trade/Device Name: Oitexio Luer Lock Syringes Regulation Number: 21 CFR 880.5860 Regulation Name: Piston Syringe Regulatory Class: Class II Product Code: FMF Dated: February 10, 2022 Received: February 11, 2022
### Dear Matthew Helmi:
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 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) 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,
CAPT Alan M. Stevens Assistant Director DHT3C: Division of Drug Delivery and General Hospital Devices, and Human Factors OHT3: Office of GastroRenal, ObGyn, General Hospital and Urology Devices Office of Product Evaluation and Quality Center for Devices and Radiological Health
Enclosure
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# Indications for Use
510(k) Number (if known) K203738
Device Name Qitexio Luer Lock Syringes
Indications for Use (Describe)
Qitexio Luer Lock Syringes are manual devices used to inject fluids into the body. They are also used for delivery of Lipiodol (Ethiodized Oil) Injection.
| Type of Use (Select one or both, as applicable) | |
|-------------------------------------------------|--|
|-------------------------------------------------|--|
X Prescription Use (Part 21 CFR 801 Subpart D)
| Over-The-Counter Use (21 CFR 801 Subpart C)
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Image /page/3/Picture/0 description: The image shows the Medex logo. The word "Medex" is in large, bold, dark blue font. Below it, in a smaller, lighter font, is the text "A Guerbet Group company". To the right of the text is a vertical line, and to the right of the line is a teal square with a white, curved line running through it.
# K203738 -510K Summary
### Date: March 14th, 2022
### Applicant/Sponsor
Medex, Subsidiary of Guerbet Group 240 Allée Jacques Monod 69800 Saint-Priest, Rhône-Alpes, France Registration Number: 3012261967 Sponsor Contact: Melanie Fouilland, Regulatory Affairs Manager Tel: +334 72 79 20 50 Email: melanie.fouilland@guerbet.com
## Official Correspondent
Matthew Helmi, Regulatory Affairs Associate II Guerbet LLC., Affiliate of Guerbet Group 821 Alexander Road, Suite 204 Princeton, NJ 08540, USA Tel: +1 609-819-5213 Email: matthew.helmi@guerbet.com
### Subject Device
| Trade Name: | Qitexio® Luer Lock Syringe |
|------------------------|---------------------------------|
| Common Name: | Piston Syringe |
| Device Classification: | Class II |
| Regulation: | 21 CFR 880.5860, Piston Syringe |
| Review Panel: | General Hospital |
| Product Code: | FMF (Syringe, Piston) |
### Predicate Device
| Trade Name: | Merit Syringe |
|----------------|---------------|
| 510(K) Number: | K173601 |
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Image /page/4/Picture/1 description: The image shows the logo for Medex, a Guerbet Group company. The word "Medex" is written in a bold, dark blue font. Below the name is the text "A Guerbet Group company" in a smaller, lighter font. To the right of the name is a vertical line, followed by a teal square with a white, curved line inside.
#### 5.1. Device Description
Medex, a subsidiary of Guerbet Group, designed and manufactures the Qitexio® Luer Lock Syringe, a disposable, handheld syringe available in 3 different volumes (1, 3 and 20 mL). Oitexio® Syringes are standard syringes which are verified to endure the potentially damaging chemical effects of Lipiodol® (Ethiodized Oil), an oil-based contrast media manufactured by Guerbet.
Qitexio® Luer Lock Syringes are manual devices used to inject fluids into the body. Qitexio® Syringes are also used for delivery of Lipiodol® (Ethiodized Oil) Injection.
Lipiodol® (Ethiodized Oil) Injection is an oil-based radiopaque contrast agent indicated for:
- Hysterosalpingography in adults .
- Lymphography in adult and pediatric patients .
- Selective hepatic intra-arterial use for imaging tumors in adults with known hepatocellular • carcinoma (HCC).
They are single-use devices, sterilized by gamma radiation.
| Characteristics | Predicate Device | Subject Device |
|------------------------------------------|-----------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| | Merit Syringe (K173601) | Qitexio® Luer Lock Syringe (K203738) |
| Indication for Use | The Merit Syringe is used to<br>inject fluids into, and<br>withdraw fluids from, the<br>body. | Qitexio Luer Lock Syringes are manual<br>devices used to inject fluids into the body.<br>They are also used for delivery of<br>Lipiodol® (Ethiodized Oil) Injection. |
| Prescription Only or<br>Over the Counter | Prescription Only (Rx Only) | Prescription Only (Rx Only) |
#### Subject Device Indication for Use (IFU) Statement 5.1.1
Table 1: Comparison of Indications for Use (IFU) Statements
### Indication for Use (IFU) Statements – Discussion of Differences
The subject device (Qitexio® Luer Lock Syringe) and predicate device (Merit Syringe (K173601)) Indications for Use (IFU) statements differ in reflection of the narrower and more specific Indications for Use of the Qitexio® Syringe. The IFU are copied and compared in the table above, and differences further discussed below.
- > Limitation to "injection of fluids into the body"
- The Qitexio® Luer Lock Syringes subject device is indicated for injection of fluids ■ into the body. The Merit Syringe predicate device is indicated for both injection of fluids into the body and withdrawing fluids from the body.
- Addition of a specific indication for Lipiodol® (Ethiodized Oil) Injection delivery. A
- 트 In addition to general fluid injections, Oitexio® Luer Lock Syringes are indicated for delivery of Lipiodol® (Ethiodized Oil) by injection.
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Image /page/5/Picture/1 description: The image shows the Medex logo. The word "Medex" is written in a dark blue, sans-serif font. To the right of the word is a vertical line, followed by a teal-colored graphic that resembles a stylized wave. Below the word "Medex" is the text "A Guerbet Group company" in a smaller, lighter font.
- Addition of this indication does not create a new or expanded indication compared to ■ the Merit Syringe predicate device.
#### 5.2. Substantial Equivalence
### 5.2.1. Comparison of Technological Characteristics with the Predicate device
The similarities and differences between the Qitexio® Luer Lock Syringes and Merit Syringe predicate are described in Table 2 – Qitexio® Luer Lock Syringes and Predicate Device Comparison below.
| Description | Subject Device<br>Qitexio® Luer Lock Syringe<br>(K203738) | Predicate Device<br>Merit Syringe (K173601) | Differences in<br>Technological<br>Characteristics |
|---------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------|
| Design | Standard five-piece piston syringe constructed with a clear hollow barrel into which is inserted a closely fitting movable plunger, O-Ring, rotative finger flange, and backstop. Fitting offered with male luer lock. Barrel Finger flange Backstop Piston Seal | Standard three-piece piston syringe constructed with a clear hollow barrel into which is inserted a closely fitting movable plunger and tip or O-Ring. Fitting offered with male luer lock. Barrel (integrated finger flange and recess for backstop function) Piston Seal | Different.<br>See comment # 1<br>(below table). |
| Material | The barrel is constructed from clear Polyamide; the plunger from polyamide material; the seal or O-Ring is made of silicone material. | The barrel is constructed from clear polycarbonate; the plunger from ABS material; the seal or O-Ring is made of silicone material. | Different.<br>See comment # 2<br>(below table). |
| Principle of<br>Operation | Manually operated by advancing and withdrawing the plunger within the barrel. | Manually operated by advancing and withdrawing the plunger within the barrel. | Same as<br>predicate. |
| Operational<br>Volumes | Operational volume of 1, 3 and 20 mL | Operational volume of 0.25, 1, 3, 6, 10, 20, 30 and 60 mL | Different.<br>See comment # 3<br>(below table). |
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Image /page/6/Picture/1 description: The image shows the logo for Medex, a Guerbet Group company. The word "Medex" is written in a bold, dark blue font. To the right of the word is a vertical line, followed by a teal square with a white, curved line running through it. Below the word "Medex" is the text "A Guerbet Group company" in a smaller, lighter font.
| Description | Subject Device<br>Qitexio® Luer Lock Syringe<br>(K203738) | Predicate Device<br>Merit Syringe (K173601) | Differences in<br>Technological<br>Characteristics |
|-------------------------|----------------------------------------------------------------------------------|----------------------------------------------------------------------------------|----------------------------------------------------|
| Graduation | Printed with accurate graduation<br>lines that are compliant with ISO<br>7886- 1 | Printed with accurate<br>graduation lines that are<br>compliant with ISO 7886- 1 | Same as<br>predicate. |
| Sterilization<br>Method | Gamma radiation | Ethylene Oxide | Different.<br>See comment # 4<br>(below table). |
Table 2: Qitexio® Luer Lock Syringes and Predicate Device Comparison
Comment # 1 (Design) - The three (3) part design of the predicate device and five (5) part design of the subject device accomplish the same intended use. This and associated differences do not raise new questions of safety and effectiveness. Substantial equivalence to the predicate in safety and effectiveness with regard to design is supported by evidence of conformity to ISO 7888-1 and ISO 80369-7 further described in Section 5.3.1. Performance Testing - Bench below.
Comment # 2 (Material) – The differences in predicate and subject device syringe component/part materials described above do not raise new questions of safety and effectiveness. Substantial equivalence to the predicate in safety and effectiveness with regard to any difference in materials is supported through bench performance testing, Biocompatibility per ISO 10993 evaluation, and USP <788> particulate evaluation, further described in Section 5.3.2. Biocompatibility Evaluation.
Comment # 3 (Operational Volume) – The 1, 3, and 20 mL volumes in which the subject device is to be offered are also offered within the predicate device syringe range. This "difference" is thus limited to the subject device lacking several volume options offered by the predicate, which does not impact safety or effectiveness (as 1,3, and 20 mL are volumes offered by both the predicate and subject device).
Comment # 4 (Sterilization Method) - Both methods provide the same validated sterility assurance level of 10 6. The difference does not raise new questions of safety and effectiveness. Substantial equivalence in safety and effectiveness with regard to sterilization method and related differences is supported by the evidence of sterilization validation per ISO 11137- 1:2006 – "Sterilization of health care products – Radiation – Part 1: Requirements for Development, Validation, and Routine Control of a Sterilization Process for Medical Devices." as further described in Section 5.3.3. Sterilization, Pyrogenicity, and Package Integrity Testing below.
#### 5.2.2 Substantial Equivalence Conclusion
The proposed Qitexio® Syringe incorporates an intended use encompassed by that of the predicate Merit Syringe, as well as similar materials, design, and principle of operation. Any differences in materials used, design, sterilization methods, and indications (delivery of Lipiodol® (Ethiodized Oil)
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Image /page/7/Picture/0 description: The image shows the logo for Medex, a Guerbet Group company. The word "Medex" is in large, bold, blue font. Below it, in a smaller font, it says "A Guerbet Group company". To the right of the text is a vertical line, and then a teal-colored graphic that appears to be a stylized wave.
Injection) discussed in the comments above do not raise new questions of safety and effectiveness.
Conformity to Recognized Consensus Standards, Performance Testing requirements, and ISO 10993-1 Biocompatibility Evaluation as further described below establish the substantial equivalence of the proposed Oitexio® Syringe subject device to the Merit Syringe predicate device.
#### 5.3. Data and Standards
An FDA Guidance and recognized consensus standards have been established for Piston Svringes under FDA Product Code FMF and 21 CFR 880.5860. A battery of tests was performed based on the requirements of the recognized consensus standards identified in below in Section 5.3.1. Performance Testing Bench, Section 5.3.2. Biocompatibility Evaluation, and Section 5.3.3. Sterilization, Pyrogenicity, and Package Integrity Testing. Conformity to these standards demonstrates that the proposed Qitexio Luer Lock Syringes met the established acceptance criteria for its Intended Use.
## 5.3.1. Performance Testing - Bench
The Qitexio Luer Lock Syringe subject device complies with FDA recognized consensus standards ISO 7886-1 Sterile Hypodermic Syringes For Single Use - Part 1: Syringes For Manual Use and ISO 80369-7 Small-bore connectors for liquids and gases in healthcare applications — Part 7: Connectors for intravascular or hypodermic applications, as outlined within this submission. Where applicable, performance specifications were defined and verified specifically for delivery of Lipiodol® (Ethiodized Oil) Injection. Functional performance testing of the subject device was performed using samples subjected to the various preconditioning schemes including double sterilization and accelerated and/or real-time aging.
#### Biocompatibility Evaluation 5.3.2.
The testing performed on the proposed Qitexio Syringes subject device complies with ISO 10993 Biological Evaluation of Medical Devices. The subject device, including all of its patient (fluid) contacting materials (indirect - externally communicating), was found to be non-toxic and determined to be biocompatible for its intended use. The following Biocompatibility tests were performed based on patient contact type and duration criteria per ISO 10993.
- . Cytotoxicity
- Irritation ●
- Sensitization ●
- Acute Systemic Toxicity ●
- Hemolysis
- Material-Mediated Pyrogenicity (Rabbit) ●
- Chemical Characterization (Extractables Analysis) and Toxicological Evaluation .
Particulate matter testing was conducted in accordance with USP <788> Particulate Matter in Injections (Method 1 Light Obscuration Particle Count) and met USP <788> 1B acceptance criteria (for ≤ 100 mL volume).
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#### Sterilization, Pyrogenicity, and Package Integrity Testing 5.3.3.
## 5.3.3.1. Sterilization
Each Oitexio Luer Lock Syringe is packaged as single unit in a sterile PETPE pouch sealed with a Tyvek lid (sterile barrier) and sterilized using Gamma Irradiation. Validation of the sterilization cycle was conducted in accordance with ISO 11137- 1:2006 - "Sterilization of health care products - Radiation - Part 1: Requirements for Development. Validation, and Routine Control of a Sterilization Process for Medical Devices.". VD max (Verification Dose maximum) is the specific method used for validation. The Qitexio Luer Lock Syringe requires 25 kGy of radiation based on this method as determined with ISO 11137-2:2013 - "Sterilization of health care Products -Radiation - Part 2: Establishing the Sterilization Dose". The Qitexio Luer Lock Syringe subject device will be sterilized with a dose comprised between 25 kGy and 50 kGy.
The SAL for the Qitexio Luer Lock Syringes is 10-6.
### 5.3.3.2. Pyrogenicity
Material-mediated Pyrogens were evaluated through a Rabbit Pyrogen study according to USP 39 -NF 34 and European Pharmacopoeia (9th Edition) requirements. The results confirmed nonpyrogenicity.
Bacterial endotoxins were evaluated through the Limulus Amebocyte Lysate (LAL) test. The bacterial endotoxin rate measured by the LAL test, representative of a residual contamination of specific bacteria (gram), is to be verified once per year after the validation of the method, in the absence of critical changes in the process of manufacturing or packaging. As Qitexio Luer Lock Syringes have Indirect Contact with the Cardiovascular System, the endotoxin limit is < 20 endotoxin units, as determined by the LAL test criteria.
Thus. Oitexio Luer Lock Syringes are non-pyrogenic as indicated on the proposed labeling.
### 5.3.3.3.3. Package Integrity Testing
Each Qitexio Luer Lock Syringe is packaged as single unit in a sterile PETPE pouch sealed with a Tyvek lid (sterile barrier). Five (5) units are packaged in a secondary carton box, which comprises the sales unit box. Six (6) sales unit/secondary carton are then combined into a logistics unit/tertiary carton which contains a total of thirty (30) syringes for international shipment.
Package Integrity Testing performed after subject device samples exposed to ≥ 50 kGy (max dose) sterilization:
- Visual Inspection in accordance with ASTM F 1886/F 1886 M. ●
- Peel Characteristics (Width of the welding seam) according to ISO 11607-1.
- Peel Test (Sealing force) according to ISO 11607-1 and ASTM F 88/F 88 M. ●
- Dye Test according to ASTM F 1929.
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Image /page/9/Picture/0 description: The image shows the logo for Medex, a Guerbet Group company. The word "Medex" is written in a bold, dark blue font. Below the name is the text "A Guerbet Group company" in a smaller, lighter blue font. To the right of the text is a vertical line and a teal square with a white, curved line inside.
Package Integrity Testing performed after subject device samples exposed to ≥ 50 kGy (max dose) sterilization and ISTA 3A Simulated Transportation methods:
- . Visual Inspection in accordance with ASTM F 1886/F 1886 M.
- Peel Characteristics (Width of the welding seam) according to ISO 11607-1.
- Peel Test (Sealing force) according to ISO 11607-1 and ASTM F 88/F 88 M. ●
- Bubble test according to ASTM F 2096.
# 5.3.4. Shelf-Life
The Oitexio Luer Lock Syringe subject device has a labeled shelf-life of three (3) years from the date of manufacture if stored under normal conditions. The claimed three (3) year shelf-life is supported by acceptable results of device functionality testing and package integrity testing conducted on representative device samples subjected to three (3) years aging (real-time or accelerated aging equivalent), among other preconditioning methods (as summarized above under Sections 5.3.1. Performance Testing - Bench and 5.3.3. Sterilization, Pyrogenicity, and Package Integrity Testing).
#### 5.4. Conclusion
The Qitexio Luer Lock Syringes have the same intended use as the predicate device. The principal features of the device that were described, as well as the testing provided, show that the minor differences in device characteristics between the subject device and predicate device do not raise any new questions of safety or effectiveness. Performance data (including Bench Testing) and evidence of Biocompatibility (including compatibility with Lipiodol® (Ethiodized Oil) Injection), have established that the Oitexio Luer Lock Syringes perform as intended. The subject device is thus substantially equivalent to the legally marketed predicate device.
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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.