K232562 · Baylis Medical Technologies, Inc. · PDU · Feb 28, 2024 · Cardiovascular
Device Facts
Record ID
K232562
Device Name
PowerWire Radiofrequency Guidewire Kit
Applicant
Baylis Medical Technologies, Inc.
Product Code
PDU · Cardiovascular
Decision Date
Feb 28, 2024
Decision
SESK
Submission Type
Traditional
Regulation
21 CFR 870.1250
Device Class
Class 2
Attributes
Therapeutic
Indications for Use
The PowerWire Radiofrequency Guidewire is intended to create a channel in totally occluded peripheral vessels 3 mm or greater, including vessels with stents.
Device Story
PowerWire Radiofrequency Guidewire is a sterile, single-use device for delivering radiofrequency (RF) energy to create channels in occluded peripheral vessels. Input: RF energy from a compatible Baylis RF Puncture Generator (K122278) via an RFP-100A Connector Cable (K230571). Operation: Monopolar RF energy delivery between the guidewire's distal electrode and an external dispersive patch electrode. Output: Controlled RF energy at the distal tip to puncture/cross occlusions. Used in clinical interventional settings by physicians. Once the occlusion is crossed, the device serves as a rail for balloon or stent catheters or is exchanged for other interventional devices. Benefits: Enables access through total occlusions in tortuous pathways, including stented vessels, facilitating subsequent peripheral interventions.
Clinical Evidence
Bench testing only. Performance verified via dimensional, mechanical (flexibility, torque, tensile, fatigue), and electrical (IEC 60601-1, IEC 60601-2-2) testing. Biocompatibility confirmed per ISO 10993-1. Bench validation included device-stent interaction testing (thermal safety, embolization). Literature review supported safety/performance for crossing occluded stents.
Technological Characteristics
Core wire with polymer insulation; 250cm length; 0.035" diameter. Monopolar RF energy delivery. Sterilized via ethylene oxide. Complies with IEC 60601-1, IEC 60601-2-2, and ISO 10993-1. Compatible with external dispersive patch electrodes.
Indications for Use
Indicated for creating a channel in totally occluded peripheral vessels 3 mm or greater, including those containing stents.
Regulatory Classification
Identification
A percutaneous catheter is a device that is introduced into a vein or artery through the skin using a dilator and a sheath (introducer) or guide wire.
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February 28, 2024
Image /page/0/Picture/1 description: The image shows the logo of the U.S. Food and Drug Administration (FDA). On the left is the Department of Health & Human Services logo. To the right of that is the FDA logo, which is a blue square with the letters "FDA" in white. To the right of the blue square is the text "U.S. FOOD & DRUG ADMINISTRATION" in blue.
Baylis Medical Technologies Inc. Stephanie Gallone Director of Quality, Regulatory, & Scientific Affairs 2645 Matheson Blvd. East Mississauga, ON L4W5S4 Canada
# Re: K232562
Trade/Device Name: PowerWire Radiofrequency Guidewire Kit Regulation Number: 21 CFR 870.1250 Regulation Name: Percutaneous Catheter Regulatory Class: Class II Product Code: PDU Dated: August 23, 2023 Received: August 24, 2023
# Dear Stephanie Gallone:
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 (the 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 available at https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfpmn/pmn.cfm identifies combination product submissions. However, you are responsible to determine that the medical devices you use as components in the kit have either been determined as substantially equivalent under the premarket notification process (Section 510(k) of the act), or were legally on the market prior to May 28, 1976, the enactment date of the Medical Device Amendments. Please note: If you purchase your device components in bulk (i.e., unfinished) and further process (e.g., sterilize) you must submit a new 510(k) before including these components in your kit/tray. 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.
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Additional information about changes that may require a new premarket notification are provided in the FDA guidance documents entitled "Deciding When to Submit a 510(k) for a Change to an Existing Device" (https://www.fda.gov/media/99812/download) and "Deciding When to Submit a 510(k) for a Software Change to an Existing Device" (https://www.fda.gov/media/99785/download).
Your device is also subject to, among other requirements, the Quality System (QS) regulation (21 CFR Part 820), which includes, but is not limited to, 21 CFR 820.30, Design controls; 21 CFR 820.90, Nonconforming product; and 21 CFR 820.100, Corrective and preventive action. Please note that regardless of whether a change requires premarket review, the QS regulation requires device manufacturers to review and approve changes to device design and production (21 CFR 820.30 and 21 CFR 820.70) and document changes and approvals in the device master record (21 CFR 820.181).
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 of medical device-related adverse events) (21 CFR Part 803) for devices or postmarketing safety reporting (21 CFR Part 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 (OS) regulation (21 CFR Part 820) for devices or current good manufacturing practices (21 CFR Part 4, Subpart A) for combination products; and, if applicable, the electronic product radiation control provisions (Sections 531-542 of the Act); 21 CFR Parts 1000-1050.
Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21 CFR 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,
Ariel G. Ash-
shakoor -S
Digitally signed by Ariel G.
Ash-shakoor -S
Date: 2024.02.28 14:21:06
-05'00'
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For
Gregory O'Connell Assistant Director DHT2C: Division of Coronary and Peripheral Intervention Devices OHT2: Office of Cardiovascular 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) K232562
Device Name PowerWire Radiofrequency Guidewire Kit
#### Indications for Use (Describe)
The PowerWire Radiofrequency Guidewire is intended to create a channel in totally occluded peripheral vessels 3 mm or greater, including vessels with stents.
| Type of Use (Select one or both, as applicable) | |
|-------------------------------------------------|---------------------------------------------|
| Prescription Use (Part 21 CFR 801 Subpart D) | Over-The-Counter Use (21 CFR 801 Subpart C) |
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# 510k Summary
# 21 CFR 807.92
#### I. Submitter Information
Company Name: Baylis Medical Technologies Inc.
Address: 2645 Matheson Blvd. East Mississauga, Ontario L4W 5S4 Canada
Phone: (905) 948-5800
Contact Person: Stephanie Gallone
Summary Prepared on: 28-Feb-2024
#### II. Device Identification
Device Trade Name: PowerWire Radiofrequency Guidewire Kit
Device Common Name: Catheter for crossing total occlusions
Classification Name: Percutaneous catheter
Device Class: Class II per 21 CFR 870.1250
Device Code: PDU
#### III. Identification of Predicate Device
The predicate device is the PowerWire Radiofrequency Guidewire, which is cleared under 510(k) Premarket Notification Number K101615 (cleared 28-Jul-2010). This predicate device has not been the subject of a design-related recall.
#### IV. Device Description
PowerWire Radiofrequency Guidewire is a sterile, single-use device used to deliver radiofrequency (RF) energy. It is shipped as a sterile device kit containing one (1) PowerWire RF Guidewire and one (1) RFP-100A Connector Cable (separately cleared under K230571) sealed in a double compartment pouch, which is then placed inside a shelf box and then an outer cardboard box. The device is sterilized using ethylene oxide.
The device consists of a core wire surrounded by a polymer insulation. The wire connects to a radiofrequency puncture generator at the proximal end via a connector cable (K230571) and has an active tip at the distal end to deliver radiofrequency energy.
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The PowerWire Radiofrequency Guidewire must be used with an approved Baylis Radiofrequency Puncture Generator (Baylis RF Generator K122278) and RFP-100A Connector Cable (K230571). The connector cable connects the RFP-100A BMC Radiofrequency Puncture Generator (RFP-100A Generator) to the PowerWire RF Guidewire to enable radiofrequency (RF) power to be delivered from the Generator to a PowerWire RF Guidewire. The PowerWire Radiofrequency Guidewire delivers radiofrequency (RF) power in a monopolar mode between its distal electrode and a commercially available external Disposable Indifferent (Dispersive) Patch (DIP) Electrode.
All models of the PowerWire Radiofrequency Guidewire have a usable length of 250cm and an outside diameter of 0.035". The various straight and curved distal configurations of the wires provide physicians with flexibility of choosing the most suitable guidewire for accessing target tissue in tortuous pathways in the body, with either straight or angled distal tips.
Once the occlusion is crossed, the PowerWire Radiofrequency Guidewire can act as a rail for balloon or stent catheters, or can be exchanged for other guidewires or devices cleared for peripheral interventional procedures. The PowerWire Radiofrequency Guidewire is designed to be compatible with most balloon and stent catheters approved for use in peripheral interventional procedures.
#### V. Indications for Use
The PowerWire Radiofrequency Guidewire is intended to create a channel in totally occluded peripheral vessels 3 mm or greater, including vessels with stents.
### VII. Comparison to Predicate Device
The PowerWire Radiofrequency Guidewire Kit and its predicate device share the same intended use and fundamental technological characteristics, including principle of operation and mechanism of action. The results of verification and validation testing demonstrate the subject device does not raise new questions of safety or effectiveness as compared to the predicate device.
| Characteristic | Proposed PowerWire RF Guidewire Kit Compared to<br>PowerWire RF Guidewire (K101615) |
|-------------------------------------|-------------------------------------------------------------------------------------|
| Intended Use | Identical |
| Indications for Use | Similar |
| Target Population/conditions of use | Identical |
| Fundamental technology | Identical |
| Operating principles | Identical |
| Mechanism of action | Identical |
| Device Models | Similar* |
| Performance | Identical |
#### Table 14.2: Comparison to Predicate Device
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| Characteristic | Proposed PowerWire RF Guidewire Kit Compared to<br>PowerWire RF Guidewire (K101615) |
|-------------------------|-------------------------------------------------------------------------------------|
| Sterility | Identical |
| Packaging configuration | Identical |
| Environment of Use | Identical |
The subject PowerWire Radiofrequency Guidewire Kit incorporates the design, materials, and methods of manufacture of the PowerWire Radiofrequency Guidewire predicate device (K101615).
*The subject device includes additional curved/angled models of the PowerWire RF Guidewire which only differ from the straight predicate device, in that they incorporate a curved/angled tip.
#### Performance Data
In accordance with FDA guidance document: Coronary, Peripheral, and Neurovascular Guidewires – Performance Tests and Recommended Labeling, specified Baylis Medical Technologies requirements and relevant standards for non-clinical testing of medical devices, the following tests were conducted to confirm performance compared to the predicate device:
- Dimensional
- Simulated use
- Tip flexibility
- Proximal stiffness
- Torqueability
- Torque strength
- Radiopacity
- Resistance to user manipulation
- Distal curve retention
- Peak Tensile force / Tip pull
- . Surface defects
- Fracture resistance
- . Damage with repeated flexing
- Arcing integrity
- Corrosion resistance
- . Bending fatigue
The 0-Day testing from the predicate device application (K101615) was leveraged for this device.
Electrical testing was performed to verify compliance of the device with the applicable clauses of IEC 60601-1, IEC 60601-2-2 and specified Baylis Medical Technologies requirements, including:
- Electrical impedance
- . High frequency current leakage
- High frequency dielectric strength
- Mains frequency dielectric withstand
- Defibrillation
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Biocompatibility testing was performed to verify the biological safety of the device as per the requirements of ISO 10993-1 and in accordance with the FDA guidance document "Use of International Standard ISO 10993-1, "Biological evaluation of medical devices – Part 1: Evaluation and testing within a risk management process" and included the following tests:
- Cytotoxicity
- Sensitization
- Irritation (intracutaneous reactivity)
- . Acute systemic toxicity
- Material mediated pyrogenicity
- Hemocompatibility (PTT, Hemolysis, thrombogenicity, complement activation)
Bench Validation testing was completed to confirm performance compared to the predicate device for use in vessels with stents and included Device-Stent Interaction Testing (simulated device use in stents, thermal safety and embolization).
A literature review was completed to evaluate the safety and performance of PowerWire when used for crossing totally occluded stents. The results of the literature review did not raise any new questions of safety and effectiveness and were used to determine the acceptability of the benefit-risk profile of PowerWire when used for crossing totally occluded stents.
### VIII. Conclusions
The subject and predicate devices share the same intended use and fundamental scientific technology, including principles of operation, mechanism of action, design and technology. Differences in the indications for use between the proposed and predicate device do not raise any new concerns of safety and effectiveness. The results of verification and validation testing demonstrate that the PowerWire Radiofrequency Guidewire device does not raise new questions of safety or effectiveness and performs in a manner that is substantially equivalent to the predicate device.
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.