K993266 · Cordis Neurovascular, Inc. · KRA · Oct 28, 1999 · Cardiovascular
Device Facts
Record ID
K993266
Device Name
PROWLER PLUS INFUSION CATHETER
Applicant
Cordis Neurovascular, Inc.
Product Code
KRA · Cardiovascular
Decision Date
Oct 28, 1999
Decision
SESE
Submission Type
Special
Regulation
21 CFR 870.1210
Device Class
Class 2
Attributes
Therapeutic
Indications for Use
The Prowler Plus Infusion Catheters are intended to be used as a mechanism for the infusion of various diagnostic, embolic, and therapeutic agents into the vascular systems (Neuro, Peripheral, Coronary), for Guidewire Exchange/Support, and for superselective angiography of the peripheral and coronary vasculatures.
Device Story
Prowler Plus Infusion Catheter is a single-lumen catheter designed for vascular access. Device features stiff proximal shaft and flexible distal section; radiopaque marker at distal tip for visualization. Outer shaft includes hydrophilic coating; inner lumen features PTFE liner. Catheter accommodates guidewires up to .018". Used by clinicians in neuro, peripheral, and coronary vascular procedures to deliver diagnostic, embolic, or therapeutic agents, provide guidewire support, or perform superselective angiography. Device facilitates targeted delivery of agents to specific vascular sites, potentially improving procedural outcomes.
Clinical Evidence
Bench testing only. Design verification testing included pull strength, trackability, dimensional testing, static burst pressure, flow rate calculation, air aspiration, linear stiffness (boink), and shapeability tests. No clinical data provided.
Technological Characteristics
Single-lumen catheter; stiff proximal shaft, flexible distal section. Materials include radiopaque marker at distal tip, hydrophilic coating on outer shaft, and PTFE liner on inner lumen. Accommodates guidewires up to .018".
Indications for Use
Indicated for patients requiring infusion of diagnostic, embolic, or therapeutic agents into neuro, peripheral, or coronary vascular systems, guidewire exchange/support, or superselective angiography of peripheral and coronary vasculatures.
Regulatory Classification
Identification
A continuous flush catheter is an attachment to a catheter-transducer system that permits continuous intravascular flushing at a slow infusion rate for the purpose of eliminating clotting, back-leakage, and waveform damping.
Predicate Devices
Prowler Infusion Catheter
Rapid Transit Infusion Catheter
Submission Summary (Full Text)
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## Attachment 4
## Summary of Safety and Effectiveness
| General<br>Provisions | Trade Name: Prowler Plus Infusion Catheter<br>Common/Classification Name: Infusion Catheter |
|-------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Name of<br>Predicate<br>Devices | Cordis Endovascular Systems, Inc. Prowler Infusion Catheter, and Rapid<br>Transit Infusion Catheter. |
| Classification | Class II |
| Performance<br>Standards | The FDA under section 514 of the Food, Drug and Cosmetic Act has not established<br>performance standards. |
| Intended Use<br>and Device<br>Description | The Prowler Plus Infusion Catheters are intended to be used as a mechanism for the<br>infusion of various diagnostic, embolic, and therapeutic agents into the vascular<br>systems (Neuro, Peripheral, Coronary), for Guidewire Exchange/Support, and for<br>superselective angiography of the peripheral and coronary vasculatures.<br><br>The Prowler Plus is a single lumen catheter featuring a stiff proximal shaft and a<br>flexible distal section. The catheter's inner diameter accommodates guidewires of |
| Summary of<br>Studies | .018" and smaller. The catheter body is radiopaque with a distinguishable marker at<br>the distal tip. It includes a hydrophilic coating on the outside of the shaft as well as a<br>PTFE liner on the inner lumen.<br><br>Design verification testing showed that the Prowler Plus Infusion Catheter performs as well or<br>better than the predicate devices tested. No new questions of safety and effectiveness were<br>raised. Design verification testing included:<br>• Pull Strength Test<br>• Trackability Test<br>• Dimensional Testing (Tip OD, ID, Body OD, Joint OD, Length Assembly, Hub Taper)<br>• Static Burst Pressure Test<br>• Alternative Flow Rate Calculation<br>• Air Aspiration<br>• Linear Stiffness Test (Boink)<br>• Shapeability Test |
| Biocompatibility | All materials used in the Prowler Plus Infusion Catheters are biocompatible. |
| Summary of<br>Substantial<br>Equivalence | The Prowler Plus Infusion Catheters are substantially equivalent to the previously<br>cleared Prowler and Rapid Transit Infusion Catheters. |
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Image /page/1/Picture/1 description: The image shows the seal of the Department of Health & Human Services (HHS) of the United States. The seal features a stylized eagle with three stripes representing the department's mission of promoting health, well-being, and human services. The text "DEPARTMENT OF HEALTH & HUMAN SERVICES - USA" is arranged in a circular pattern around the eagle.
Food and Drug Administration 9200 Corporate Boulevard Rockville MD 20850
OCT 2 8 1999
Ms. Maritza Celaya Sr. Regulatory Affairs Specialist Cordis Endovascular SystemS, Inc. p.o. Box 025700 Ct. Miami Lakes, FL 33102-5700
Re: K993266 K993266
Trade Name: Prowler Plus Infusion Catheter Regulatory Class: II Product Code: KRA Dated: September 29, 1999 September 30, 1999 Received:
Dear Ms. Celaya:
We have reviewed your Section 510(k) notification of intent to market the f
actived by the becale boys determined the device is We have reviewed your securer state determined the device is device referenced above and we nave associons for use stated in the substantially equivalent (10) the indites marketed in interstate enclosure) to legally marketed breatment date of the Medical Device commerce prior to May 28, 1976, the encements assisted in accordance with Amendments, or to devices that nave been, and Cosmetic Act (Act). You
the provisions of the Federal Food, Drug, and Cosmeral controls the provisions of the rederal rood, bray and the general controls
may, therefore, market the device, subject to the Act may, therefore, market the device, busferols provisions of the Act
provisions of the Act. The general controls provisions of provisions of the Act. The general concross productions of devices, good
include requirements for annual registration, against misbranding include requirements for annual registration, and prohibitions against misbranding and adulteration.
If your device is classified (see above) into either class II (Special If your device is classified (see aboro), it may be subject to such Controls) or class III (reliminer regions affecting your device additional controls. Extrema Requires Title 21, Parts 800 to
can be found in the Code of Federal Requires compliance with e found in the Code of rederal Requirement compliance with 895. 895. A substantially equivalence active requirements, as set forth in the Current General regulation the Current Good Manufacturing Frassis al Devices: General regulation Quality System Regulation (QS) Lockidations inspections, the Food and (21 CFR Part 820) and that, through percula assumptions . Failure to comply
Drug Administration (FDA) will verify such assumptions. In addition, Drug Administration (FDA) will versily bagulatory action. In addition,
with the GMP regulation may result in regulation your device in the with the GMP regulation may rebare in concerning your device in the
FDA may publish further announcements concern to your premarket FDA may publish further announces to your premarket.
Federal Register. Please note: this response thirstion you might rederal Rediscer. Prease noce. Enterespection you might have
notification submission does not affect any for douices notification basmissions of the Act for devices
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Paye 2 - Ms. Maritza Celaya
under the Electronic Product Radiation Control provisions, or other Federal laws or regulations.
This letter will allow you to begin marketing your device as described in This fecter will arrow you oo begin to the FDA finding of substantial your 510(k) prematics. I legally marketed prodicate device results
equivalence of your device to a legally marketed with mown device to equivalence of your device to a regulary
in a classification for your device and thus, permits your device to proceed to the market.
If you desire specific advice for your device on our labeling regulation in II you desire speciele additionally 809.10 for in vitro diagnostic (21 CFR Part over and addressions)
devices), please contact the Office of Compliance at (301) 594-4586. devices), prease concacions on the promotion and advertising of your Additionally, for questions on the primeses (301) 594-4639. Also, as a regulation entitled, "Misbranding by reference to premarket notification" (21CFR 807.97). Other general information on premarket nocification (arch over may be obtained from the Division of your responsibilities under ens tool -----------------------------------------------------------------------------------------------------------------------------------------(301) 443-6597 or at its internet address "http://www.fda.gov/cdrh/dsma/dsmamain.html".
Sincerely yours,
At. A. LiachowsL.
Celia M. Witten, Ph.D., M.D. Acting Director Division of Cardiovascular, Respiratory and Neurological Devices Office of Device Evaluation Center for Devices and Radiological Health
Enclosure
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## Attachment 2
| 510(k) Number<br>(if known) | The 510(k) number has not yet been assigned. |
|-----------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Device Name | Prowler Plus Infusion Catheters. |
| Indications for<br>Use | The Prowler Plus Infusion Catheters are intended to be used as a mechanism for the<br>infusion of various diagnostic, embolic, and therapeutic agents into the vascular<br>systems (Neuro, Peripheral, Coronary), for Guidewire Exchange/Support, and for<br>superselective angiography of the peripheral and coronary vasculatures. |
## Indications for Use Statement
PLEASE DO NOT WRITE BEI.OW THIS LINE - CONTINUE ON ANOTHER PAGE IF NEFDED
Concurrence of CDRH, Office of Device Evaluation (ODE)
Christopher Witten.
(Division Sign-Off)
Division of Cardiovascular, Respiratory,
and Neurological Devices
510(k) Number K993266
× Prescription Use (Per 21 CFR 801.109)
OR
Over-The-Counter Use
Two short videos show you everything — or skip straight to the written tutorial if you'd rather read. You can reopen this any time from the Tutorial button in the top bar.
Part 1 — Search, results, and everyday workflows 16 min
Part 2 — Embeddings: the galaxy map 3 min
1. Search: exact and fuzzy
Type a phrase like "coronary artery calcification" into the search box. You get two kinds of results. Exact results match the literal phrase — prefix searches work ("coronary artery calcificati") but suffix searches do not. Fuzzy results match on the meaning and intent of your phrase rather than the exact words, and are sorted by relevance score. Hover over the Exact or Fuzzy badge on any row to see exactly why it matched.
Use the checkboxes above the results to narrow: SaMD keeps only software-only devices, AI / ML keeps only devices with AI.
Exact vs. fuzzy search: what's the difference?
Exact matches on the literal phrase (prefix search works, suffix does not). Fuzzy matches on the meaning and intent of the phrase rather than the exact words. Hover over the badge on any row to see why it matched.
You search "coronary artery calcification" and want only software devices with AI. What two filters do you apply?
Narrow by SaMD (software-only devices), then narrow by AI/ML (devices with AI).
2. The results table
Scroll right in the results table. The intended use is extracted for you — no need to open the PDF. The device story gives a high-level snapshot of what the device does and how it's used. The AI Performance sub-table shows each output name, acceptance criteria, observed values, and development/test dataset descriptions — the same format Innolitics uses for regulatory strategy outputs, and the fastest high-level fingerprint of an AI device. It is AI-generated but has been very reliable in practice.
Where do you find a device's intended use without opening the PDF?
Scroll right in the search results table. The intended use column is extracted for you; no need to dig into the 510(k) summary PDF.
What does the AI Performance sub-table show, and why is it useful?
Output name, acceptance criteria, observed values, development dataset description, and test dataset description. It's the same format we use for regulatory strategy output and Fast 510(k) input, and the fastest high-level fingerprint of an AI device. AI-generated but reliable in practice.
3. Judging fuzzy relevance
Fuzzy results trail off in relevance as you scroll. Use three signals to decide how far down to go: the fuzzy badge explanations, the intended use column, and whether your target output (e.g., Cobb angle) still appears in the AI Performance sub-table. Once it stops appearing, you're past the relevant zone. A top hit with a low score (~0.4) and a stretched explanation is a hint the closest predicates are far away — the project may be headed for De Novo. Note the fuzzy search is a pattern match: it doesn't handle negation ("not") well, and hardware devices can appear — filter by SaMD/AI ML to cut them.
How do you judge how far down fuzzy search results to go?
Use the relevancy signals: the fuzzy badge explanations, the intended use column, and whether the target output (e.g., Cobb angle) still appears in the AI Performance sub-table. Once it stops appearing, results are trailing off in relevancy.
4. Device detail page: chat and citations
Click a device name to open its detail page: device facts on the left, a chat window on the right. Ask something like "Describe the training data". The answer carries little citation bubbles — click one to jump to the highlighted passage in the source PDF, so you can verify every AI answer against the document. There's also a Download PDF button for sharing.
How do you verify an AI chat answer on the device detail page?
Click the citation bubbles to jump to the relevant highlight in the source document.
Reading rule for every project: how many summaries do you read in full?
At least the three most relevant 510(k) or De Novo summaries, in full. After that, use targeted chat questions to confirm your memory quickly. The tool supports this professional habit — it doesn't replace it.
5. Side-by-side comparison
Select multiple rows in the results table (aim for under ~10), then open the PDF Viewer tab. Ask one question — it goes to all selected devices in parallel, each with citations. This is the fastest way to compare and contrast devices: training data, PCCP scope, how they handled adding new scanners, and so on.
What does the side-by-side PDF viewer mode do?
Select multiple devices, open the PDF viewer tab, and ask one question (e.g., "Describe the training data"). It queries all selected devices simultaneously with citations, so you can compare and contrast quickly.
6. Collections
With rows selected, go to the Collections tab and create a labeled collection (e.g., "Cobb Angle Project"). Reload that selection any time — before a client call, pull up the collection and ask questions across all of its devices at once.
How do you save a set of selected devices for later use?
Select the rows, go to the Collections tab, and create a labeled collection (e.g., "Cobb Angle Project"). You can reload the selection anytime and carry it into the PDF viewer and other tabs that support selections.
7. Product codes and the regulations tree
Click a product code in the results to jump to it in the regulations tree — identification text, sibling product codes, and devices you can open in a PDF viewer on the right. Click a regulation number to see its identification, special controls, and related product codes. You can also search by product code or regulation number at the top of the tree. Always read the special controls if any exist for your device — it broadens your search and sharpens pre-kickoff research.
What can you do from the regulations tree view?
Browse product codes and regulation numbers, read the identification text and special controls, browse sibling product codes, open device PDFs on the right, and search by product code or regulation number at the top of the tree.
8. Chart view
Click Show Chart and segment by regulation number (or product code) to see which regulations dominate your result set. Clicking a regulation takes you into the regulations tree. Great for spotting that most matches are, say, hardware laparoscopic devices — a cue to go back and filter.
How do you see which regulations dominate a search result set?
Click "Show Chart" and segment by Regulation Number. Clicking a regulation takes you to the regulations tree.
9. The predicate graph
Open the Predicates tab for a family-tree view of predicate relationships. Click a node to trace its parents and children; selections from search carry over pre-selected. Commonly predicated devices are worth reading — a lot of people predicated them for a reason. The visual lineage is also handy on client calls, e.g. to show how a predicate family evolved and justify why your predicate still holds.
In the predicate graph, why are commonly predicated devices worth reading?
A lot of people predicated them for a reason. Clicking a node traces parents and children, and selections from search carry over pre-selected.
10. Embeddings: the galaxy map
The Embeddings tab plots every matching document in a 2-D "galaxy map" where semantically similar devices cluster together. Hover or click clusters to explore, and let AI label the clusters for you. Embeddings beat product codes for grouping: two devices can carry different product codes (LLZ vs. QIH) yet do the same thing — the embedding captures the meaning of the intended use and device story. This is also exactly how retrieval-augmented generation (RAG) works under the hood, and it makes a great visual on client calls.
Try it yourself
Head to the search page and work through a few of these AI/ML fuzzy searches to build intuition: perivascular fat on CT · aortic valve calcification opportunistic screening on noncontrast CT · breast cancer prediction on digital pathology slides · autism detection · gestational age prediction · a hearing aid that can also detect a pulse · foundation model based analysis of ECG · large language models · penetration test. Watch how the relevance scores, intended use, and AI Performance tables tell you when results stop being meaningful.