The Cleveland Multiport Ventricular Catheter Set is indicated for gaining access to the ventricles of the brain for the removal of cerebrospinal fluid (CSF) or for injecting Cytarabine.
Device Story
The Cleveland Multiport Ventricular Catheter Set is a sterile, single-use device used in surgical rooms or MRI suites by clinicians to access brain ventricles. It consists of a main catheter with a central lumen for an insertion stylet and four peripheral micro-catheters. During insertion, the stylet is locked, stretching the catheter to reduce its outer diameter for atraumatic entry. Once placed, the stylet is removed, allowing the tip to relax and the micro-catheters to deploy. The proximal ends feature Luer fittings for connection to standard syringes or infusion pumps. The device facilitates CSF aspiration and fluid infusion. It provides temporary access; it is not intended for long-term implantation. The device is MRI-safe. By enabling controlled fluid delivery or removal, it assists in managing intracranial conditions requiring localized drug administration or pressure relief.
Clinical Evidence
Bench testing only. Studies included joint/bond strength, viscosity, pressure/flow, reflux, deployment/retraction, tissue insertion (bovine), bend radius, dimensional verification, particulate testing, and cadaver assessment (CT visualization). Biocompatibility testing per ISO 10993 (cytotoxicity, systemic toxicity, sensitization, hemocompatibility, pyrogenicity) and drug compatibility with Cytarabine were performed. Sterilization validated to 10^-6 SAL via ethylene oxide.
Technological Characteristics
Main catheter body: silicone elastomer; Tip: silicone; Insertion stylet: PTFE-coated nickel alloy; Micro-catheters: PTFE; Lumen extension: silicone. Dimensions: 2.5mm OD x 14.0 cm length. Connectivity: standard Luer fittings. Sterilization: Ethylene Oxide (ISO 11135-1). MRI safe (1.5T and 3.0T). No software, power sources, or radiation-emitting components.
Indications for Use
Indicated for patients requiring access to brain ventricles for cerebrospinal fluid (CSF) removal or Cytarabine injection.
Regulatory Classification
Identification
A ventricular catheter is a device used to gain access to the cavities of the brain for injection of material into, or removal of material from, the brain.
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Food and Drug Administration 10903 New Hampshire Avenue Document Control Center - WO66-G609 Silver Spring, MD 20993-0002
March 27, 2017
Parker Hannifin Corporation % Lisa L. Michels, J.D. Regulatory Compliance Associates, Inc. 10411 Corporate Drive, Suite 102 Pleasant Prairie, Wisconsin 53158
Re: K161731
Trade/Device Name: Cleveland Multiport Ventricular Catheter Set Regulation Number: 21 CFR 882.4100 Regulation Name: Ventricular Catheter Regulatory Class: Class II Product Code: HCA Dated: February 13, 2017 Received: February 21, 2017
Dear Dr. Lisa Michels:
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. 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 devicerelated 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.
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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.
Carlos L. Pena -S
Carlos L. Peña, PhD, MS Director Division of Neurological and Physical Medicine Devices Office of Device Evaluation Center for Devices and Radiological Health
Enclosure
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# Indications for Use
510(k) Number (if known) K161731
Device Name
Cleveland Multiport Ventricular Catheter Set
Indications for Use (Describe)
The Cleveland Multiport Ventricular Catheter Set is indicated for gaining access to the ventricles of the brain for the removal of cerebrospinal fluid (CSF) or for injecting Cytarabine.
| 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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#### Parker Hannifin Corporation. Medical Systems Division
3007 Bunsen Avenue. Unit K Ventura CA 93003 Telephone, 805-658-2984 Facsimile: 805-658-6720
| Contact Person: | Lisa L. Michels, J.D., M.S.O.L.Q. |
|----------------------------------------------------------|-----------------------------------|
| Official Correspondent for Parker Hannifin | |
| Regulatory Compliance Associates® Inc. | |
| 10411 Corporate Drive, Suite 102 | |
| Pleasant Prairie, Wisconsin 53158 | |
| Phone: (928)-660-8570 (office) / (520)-704-2700 (mobile) | |
| Email: I.michels@rcainc.com | |
Date Prepared: 13-February-2017
| Trade Name: | Cleveland Multiport Ventricular Catheter Set (CMC) |
|------------------------|----------------------------------------------------|
| Common Name: | Ventricular Catheter |
| Product Code: | HCA |
| Device Classification: | 21 CFR 882.4100 |
| Regulatory Class: | Class II |
Predicate Device: MRI SmartFlow Flex Ventricular Catheter #K123605.
#### Intended Use / Indications for Use
The Cleveland Multiport Ventricular Catheter Set is indicated for gaining access to the ventricles of the brain for the removal of cerebrospinal fluid (CSF) or for injecting Cytarabine.
#### Rx or OTC Device
The Cleveland Multiport Ventricular Catheter Set is an Rx prescription device per 21 CFR Part 801, Subpart D.
#### Description of Device
The Cleveland Multiport Ventricular Catheter contains a main or central lumen for the insertion stylet which is surrounded by four minor lumens (equally spaced) that contain the microcatheters. The catheter includes a ribbed distal tip, a housing for locking the insertion stylet, and proximal male Luer fittings at the end of each micro-catheter. The ribbed distal tip of the main catheter allows the micro-catheters to retract into the main catheter, by stretching the catheter when the insertion stylet is fully inserted and locked. This stretched state allows the catheter tip outside diameter to reduce slightly for atraumatic insertion into the ventricles of the brain. Once the insertion stylet is removed the catheter tip returns to its relaxed state (larger outside diameter) and the micro-catheters deploy. The enlarged tip aids in backflow prevention during injection of fluids. The distal Luer fittings allow for connectivity to a standard syringe or infusion pumps for removal of CSF and/or infusion. The biocompatible metal insertion stylet provides temporary rigidity to the distal portion of the device during catheter insertion and is removed after placement. The Cleveland Multiport Ventricular Catheter has no software, power sources, or radiation emitting components.
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#### 510(k) Traditional Summary
Parker Hannifin Corporation Cleveland Multiport Ventricular Catheter Set (CMC)
The catheter is available in one size; Ø2.5mm OD x 14.0 cm long, with four micro catheters that deploy at the distal tip.
The Cleveland Multiport Ventricular Catheter Set is supplied sterile. The set includes the insertion stylet which facilitates placement of the catheter into the ventricles of the brain, a suture tab for anchoring the catheter and preventing movement during aspiration of fluids and four female-to-female Luer adapters for connecting each proximal end micro-catheter.
The Cleveland Multiport Ventricular Cather verification activities are included in this 510(k) submission.
#### Technological Characteristics
The Cleveland Multiport Ventricular Catheter has the same intended use/indications for use along with similar technological characteristics to predicate devices on the market with the same intended use. The following tables show the similarities and differences between the Cleveland Multiport Ventricular Catheter and the predicate devices.
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| Topic | Subject Device<br>Parker Cleveland<br>Multiport Ventricular<br>Catheter Set | Predicate Device<br>MRII SmartFlow Flex<br>Ventricular Catheter,<br>K123605 | Reference Device<br>Alcyone MEMS<br>Cannula System,<br>K150660 | Reference Device<br>SurgiVision<br>Ventricular Cannula,<br>K102101 | Discussion |
|--------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Classification | 21 CFR 882.4100 | 21 CFR 882.4100 | 21 CFR 882.4060 | 21 CFR 882.4060 | Equivalent to Predicate. |
| Product Code | HCA, Class II | HCA, Class II | HCD, Class I | HCD, Class I | Equivalent to Predicate. |
| Intended Use/<br>Indications for Use | The Cleveland Multiport<br>Ventricular Catheter<br>Set is indicated for<br>gaining access to the<br>ventricles of the brain<br>for the removal of<br>cerebrospinal fluid<br>(CSF) or for injecting<br>Cytarabine. | The SmartFlow™ Flex<br>Ventricular Catheter is<br>intended for injection of<br>Cytarabine or removal<br>of CSF from the<br>ventricles during<br>intracranial procedures.<br>The device is not<br>intended for implant.<br>This device is intended<br>for "single patient use<br>only." | The Alcyone MEMS<br>Cannula (AMC) System<br>consisting of the AMC<br>and the AMC Extension<br>Line Set, is intended for<br>injection of Cytarabine<br>(cytosine arabinoside)<br>or removal of<br>cerebrospinal fluid<br>(CSF) from the<br>ventricles of the brain<br>during intracranial<br>procedures. The AMC<br>System is not intended<br>for implant. The device<br>is intended for "single<br>patient use only." | The MR Compatible<br>Ventricular Cannula is<br>intended for injection of<br>Cytarabine or removal<br>of CSF from the<br>ventricles during<br>intracranial procedures.<br>The device is not<br>intended for implant.<br>The device is intended<br>for "single patient use<br>only." | Equivalent to Predicate. |
| Single Patient Use<br>Only | Yes | Yes | Yes | Yes | Equivalent to Predicate. |
| Target Patient<br>Population | Patients needing<br>injection of Cytarabine<br>into the brain ventricles | Any Pt's needing<br>aspiration of CSF and<br>other fluids of similar<br>physical characteristics | Pt.s needing injection of<br>Cytarabine into the<br>brain ventricles or | Pt.s needing injection of<br>Cytarabine to the brain<br>ventricles or aspiration | Equivalent to Predicate. |
| Topic | Subject Device | Predicate Device | Reference Device | Reference Device | Discussion |
| | Parker Cleveland<br>Multiport Ventricular<br>Catheter Set | MRII SmartFlow Flex<br>Ventricular Catheter,<br>K123605 | Alcyone MEMS<br>Cannula System,<br>K150660 | SurgiVision<br>Ventricular Cannula,<br>K102101 | |
| | or removal of CSF from<br>the brain ventricles | from the brain<br>ventricles | aspiration of CSF from<br>the brain ventricles | of CSF from the brain<br>ventricles | |
| Anatomical Sites | Brain ventricle | Brain ventricle | Brain ventricle | Brain ventricle | Equivalent to Predicate. |
| Where used | MRI Suite / Surgical<br>Room (OR) | MRI Suite / Surgical<br>Room (OR) | MRI Diagnostic/<br>Surgical Room (OR) | MRI Diagnostic/<br>Surgical Room (OR) | Equivalent to Predicate. |
| Human Factors | a) Labeling includes<br>size and length | a) Labeling includes<br>size and length | a) Labeling includes<br>size and length | a) Labeling includes<br>size and length | Equivalent to Predicate. |
| | b) Labeling shows flow<br>vs. pressure tables | b) Labeling shows flow<br>vs. pressure tables | b) Labeling shows flow<br>vs. pressure tables | b) Labeling shows flow<br>vs. pressure tables | Equivalent to Predicate. |
| | c) Can be manipulated<br>with gloved hand | c) Can be manipulated<br>with gloved hand | c) Can be manipulated<br>with gloved hand | c) Can be manipulated<br>with gloved hand | Equivalent to Predicate. |
| Design | a) Designed to be<br>placed through a<br>prepared opening<br>through the skull and<br>dura into the brain<br>ventricle | a) Designed to be<br>placed through a<br>prepared opening<br>through the skull and<br>dura into the brain<br>ventricle | a) Designed to be<br>placed through a<br>prepared opening<br>through the skull and<br>dura into the brain<br>ventricle | a) Designed to be<br>placed through a<br>prepared opening<br>through the skull and<br>dura into the brain<br>ventricle | Equivalent to Predicate. |
| | b) Main catheter<br>section to enter the<br>brain. | b) Rigid and straight<br>section to enter the<br>brain. | b) Rigid and straight<br>section to enter the<br>brain. | b) Rigid and straight<br>section to enter the<br>brain. | Equivalent to Predicate. |
| | c) Opening at distal end<br>of micro-catheters for<br>fluid movement | c) Opening at distal end<br>for fluid movement | c) Opening at distal end<br>for fluid movement | c) Opening at distal end<br>for fluid movement | Equivalent to Predicate.<br>One hole per fluid channel. |
| Topic | Subject Device | Predicate Device | Reference Device | Reference Device | Discussion |
| | Parker Cleveland<br>Multiport Ventricular<br>Catheter Set | MRII SmartFlow Flex<br>Ventricular Catheter,<br>K123605 | Alcyone MEMS<br>Cannula System,<br>K150660 | SurgiVision<br>Ventricular Cannula,<br>K102101 | |
| | d) Four openings, no<br>side holes, at distal end<br>for fluid movement | d) Central hole, no side<br>holes, at distal end for<br>fluid movement | d) Two holes, no side<br>holes, at distal end for<br>fluid movement | d) Central hole, no side<br>holes, at distal end for<br>fluid movement | Equivalent to Predicate.<br>Both devices are moving<br>fluids and their different<br>inside/outside diameters<br>result in different flow<br>rates. This is within the<br>range of cleared<br>ventricular cannulas and<br>catheters. |
| | e) Reference side<br>markings on body of<br>device for depth<br>indication | e) No markings of<br>device body | e) Body markings<br>designed to facilitate<br>determination of the<br>insertion depth | e) No markings of<br>device body | Equivalent to Predicate.<br>Length marking on body to<br>help user determine depth<br>of insertion. Length<br>markings are common in<br>these devices to aid the<br>user in positioning. |
| Design | f) Total Length of<br>Catheter; 5.5" (14.0 cm)<br>long | f) Total length of rigid<br>section; 10.5" (30 cm)<br>long | f) Total Length of<br>Catheter; 9" (22.9 cm)<br>long | f) Length of rigid<br>section; 10.5" (30 cm)<br>long | Equivalent to Predicate.<br>Total length of catheter<br>does not impact the<br>intended usage of the<br>device. |
| | g) Main catheter Inside<br>Diameter: Ø.030"<br>(Ø0.76 mm) ID and<br>micro-catheters at tip<br>Ø.007" (Ø0.177 mm) ID | g) Inside diameter:<br>Ø.008" to .021" (Ø 0.2<br>mm to 0.53 mm) | g) Main catheter Inside<br>Diameter: Ø.010"<br>(Ø0.25 mm) with inside<br>cross-section at tip:<br>.002" x .001" (0.052 x<br>0.03mm) | g) Inside diameter:<br>Ø.008" to .021" (Ø 0.2<br>mm to 0.53 mm) | Equivalent to Predicate.<br>All devices are moving<br>fluids and their different<br>inside/outside diameters<br>result in different flow<br>rates. This is within the<br>range of cleared<br>ventricular cannulas and<br>catheters. |
| Topic | Subject Device | Predicate Device | Reference Device | Reference Device | Discussion |
| | Parker Cleveland<br>Multiport Ventricular<br>Catheter Set | MRII SmartFlow Flex<br>Ventricular Catheter,<br>K123605 | Alcyone MEMS<br>Cannula System,<br>K150660 | SurgiVision<br>Ventricular Cannula,<br>K102101 | ventricular cannulas and<br>catheters. |
| | h) Outside Diameter<br>Ø2.5mm | h) Outside Diameter: Ø<br>0.65" (1.6 mm) and<br>Ø0.080" (2.0 mm) | h) Outside Diameter: Ø<br>0.65" (1.6 mm) | h) Outside Diameter: Ø<br>0.65" (1.6 mm) and<br>Ø0.080" (2.0 mm) | Equivalent to Predicate. |
| | j) Insertion Stylet -<br>Stylet can be removed<br>after insertion | j) Insertion Stylet | j) No Stylet -<br>Sufficiently rigid to pass<br>through brain tissue<br>without additional<br>support. Rigid section<br>can be removed after<br>insertion | j) No Stylet -<br>sufficiently rigid for<br>insertion | Equivalent to Predicate.<br>Insertion Stylet and rigid<br>sections are removed after<br>insertion. |
| | k) Standard Luer | k) Standard Luer | k) Standard Luer | k) Standard Luer | Equivalent to Predicate. |
| Performance | Flow Rate: 4.93 mL/hr.<br>(1.97 mL/hr. per<br>channel) at <25 psi<br>internal pressure per<br>channel | Flow Rate: 4.0 mL/hr.<br>(0.008"ID) to 56 mL/hr.<br>(0.021"ID) at 0.7 psi | Flow Rate: 3.0 mL/hr.<br>(1.5mL/hr. per channel)<br>to 25mL/hr. at <25 psi<br>internal pressure per<br>channel | Flow Rate: 0.6 mL/hr.<br>(0.008"ID) to 34 mL/hr.<br>(0.021"ID) at 0.7 psi | Equivalent to Predicate.<br>All devices are moving<br>fluids, and the different<br>flow rates results from<br>their different diameters.<br>Pressures listed are<br>internal to the system. |
| | CSF Removal Rate:<br>1.70 mL/hr. (0.47 m/hr.<br>per channel) | Aspiration Rate:<br>Unknown | Aspiration Rate: 2.4<br>mL/hr. (1.2mL/hr. per<br>channel) using an air<br>vacuum of 10mL from a<br>syringe | Aspiration Rate: 0.1<br>mL/hr. (0.008"ID) to<br>8.7mL/hr. (0.021" ID) | Equivalent to Predicate.<br>All devices are moving<br>fluids, and the different<br>flow rates results from<br>their different diameters. |
| Topic | Subject Device | Predicate Device | Reference Device | Reference Device | Discussion |
| | Parker Cleveland<br>Multiport Ventricular<br>Catheter Set | MRII SmartFlow Flex<br>Ventricular Catheter,<br>K123605 | Alcyone MEMS<br>Cannula System,<br>K150660 | SurgiVision<br>Ventricular Cannula,<br>K102101 | |
| Energy Used | N/A | N/A | N/A | N/A | Equivalent to Predicate. |
| Electrical Safety | N/A | N/A | N/A | N/A | Equivalent to Predicate. |
| Mechanical Safety | N/A | N/A | N/A | N/A | Equivalent to Predicate. |
| Chemical safety | Micro-catheter fluid<br>pathway non-reactive<br>for Cytarabine, Saline<br>and CSF | Lumen materials non-<br>reactive to Cytarabine,<br>Saline, CSF | Lumen materials non-<br>reactive to Cytarabine,<br>Saline, CSF | Silica lumen non-<br>reactive to Cytarabine,<br>Saline, CSF | Equivalent to Predicate.<br>Materials of all devices are<br>using historically stable<br>and biologically acceptable<br>materials for ventricular<br>access devices. |
| Thermal Safety | MRI Safe. All brain<br>contacting components<br>tested safe in 1.5T and<br>3.0T environment | MRI Safe. All brain<br>contacting components<br>tested safe in a 1.5T<br>environment | MRI Safe. All brain<br>contacting components<br>tested safe in 1.5T and<br>3.0T MRI environment | MRI safe. All brain<br>contacting components<br>tested safe in a 1.5T<br>environment | Equivalent to Predicate. |
| Materials | a) Main Catheter Body:<br>silicone elastomer; Tip:<br>Silicone<br><br>b) Insertion Stylet:<br>PTFE-coated nickel<br>alloy (No fluid/patient<br>contact) | a) Rigid body: Ceramic;<br>Tip: Polymer<br><br>b) Stylet: Stainless<br>Steel | a) Rigid body: Ceramic;<br>Tip: Silicon<br><br>b) Stylet: N/A | a) Rigid body: Ceramic;<br>Tip: Polymer covered<br>silica<br><br>b) Stylet: N/A | Equivalent to Predicate.<br>Materials of all devices are<br>using historically stable<br>and biologically acceptable |
| Topic | Subject Device | Predicate Device | Reference Device | Reference Device | Discussion |
| | Parker Cleveland<br>Multiport Ventricular<br>Catheter Set | MRII SmartFlow Flex<br>Ventricular Catheter,<br>K123605 | Alcyone MEMS<br>Cannula System,<br>K150660 | SurgiVision<br>Ventricular Cannula,<br>K102101 | |
| | | | | | materials for ventricular<br>access devices. |
| | c) Deploying Micro-<br>Catheters: PTFE | c) Through lumen:<br>PEEK | c) Through lumen:<br>Polymer covered silica<br>silicon | c) Through lumen:<br>Polymer covered silica | Equivalent to Predicate.<br>Materials of all devices are<br>using historically stable<br>and biologically acceptable<br>materials for ventricular<br>access devices. |
| | d) Non-detachable<br>Lumen extension:<br>(outer supporting<br>tubing): Silicone | d) Lumen extension<br>(outer support tubing):<br>PVC extrusion | d) Detachable Lumen<br>extension (outer<br>support tubing):<br>Polymer | d) Non-detachable<br>Lumen extension (outer<br>support tubing):<br>Polymer coated silica | Equivalent to Predicate.<br>Materials of all devices are<br>using historically stable<br>and biologically acceptable<br>materials for ventricular<br>access devices. |
| | e) Proximal Connector:<br>Female Luer connector:<br>Translucent | e) Proximal Connector:<br>Female Luer connector:<br>Translucent | e) Proximal Connector:<br>Female Luer connector,<br>Translucent | e) Proximal Connector:<br>Female Luer connector,<br>Translucent | Equivalent to Predicate. |
| Compatibility with<br>environment and<br>other devices | Compatible with<br>standard syringe<br>pumps for infusion. | Compatible with…
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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.