The 014 Hydrophilic Coated PTA Balloon Dilatation Catheter is indicated for Percutaneous Transluminal Angioplasty (PTA) dilation of peripheral vasculature stenoses in the iliac, femoral, ilio-femoral, popliteal, infra-popliteal, and renal arteries, and for the treatment of obstructive lesions of native or synthetic arteriovenous dialysis fistulae.
Device Story
Over-the-wire (OTW) co-axial PTA balloon catheter; designed for use with 0.014" guidewire. Features distal balloon, proximal manifold, and two radiopaque markers for positioning. Balloon and shaft possess hydrophilic coating. Operated by physician in clinical setting; inflation device (via luer connector) delivers contrast medium to expand balloon. Used to dilate stenoses in peripheral arteries and arteriovenous dialysis fistulae. Single-use; provided sterile via EtO. Output is mechanical dilation of vasculature; aids in restoring blood flow.
Clinical Evidence
No clinical data submitted. Substantial equivalence supported by non-clinical bench testing, including rated burst pressure, fatigue/leak testing, inflation/deflation time, tensile strength, tip profile, flexibility, lubricity, particulate analysis, and radiopacity. Biocompatibility testing performed per ISO 10993-1 (cytotoxicity, sensitization, irritation, systemic toxicity, pyrogenicity, hemolysis, complement activation, and thrombogenicity).
Technological Characteristics
OTW co-axial PTA catheter; 0.014" guidewire compatible. Materials include hydrophilic coating. Sterilization via Ethylene Oxide (EtO) per ISO 11135:2014. Features bifurcated manifold, strain relief, and radiopaque markers. Mechanical operation via contrast medium inflation.
Indications for Use
Indicated for PTA dilation of peripheral vasculature stenoses (iliac, femoral, ilio-femoral, popliteal, infra-popliteal, renal arteries) and treatment of obstructive lesions in native or synthetic arteriovenous dialysis fistulae.
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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Public Health Service
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Food and Drug Administration 10903 New Hampshire Avenue Document Control Center - WO66-G609 Silver Spring, MD 20993-0002
September 8, 2017
Creagh Medical % Ms. Shawn Fuller Senior Director Clinical Affairs & Regulatory Surmodics. Inc. 9924 West 74th Street Eden Prairie, Minnesota 55344
Re: K171251
Trade/Device Name: 014 Hydrophilic Coated PTA Balloon Dilatation Catheter Regulation Number: 21 CFR 870.1250 Regulation Name: Percutaneous Catheter Regulatory Class: Class II Product Code: LIT Dated: August 9, 2017 Received: August 10, 2017
Dear Ms. Fuller:
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
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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.
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 (DICE) 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 (DICE) 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.
# Kenneth J. Cavanaugh -S
for
Bram D. Zuckerman, M.D. Director Division of Cardiovascular Devices Office of Device Evaluation Center for Devices and Radiological Health
Enclosure
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# Indications for Use
510(k) Number (if known) K171251
#### Device Name
014 Hydrophilic Coated PTA Balloon Dilatation Catheter
Indications for Use (Describe)
The 014 Hydrophilic Coated PTA Balloon Dilatation Catheter is indicated for Percutaneous Transluminal Angioplasty (PTA) dilation of peripheral vasculature stenoses in the iliac, femoral, popliteal, infra-popliteal, and renal arteries, and for the treatment of obstructive lesions of native or synthetic arteriovenous dialysis fistulae.
| 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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### 5.0 510(k) SUMMARY AS REQUIRED BY 21CFR 807.92
510(k) Number: K171251
Date Prepared: April 27, 2017 Date Amended: August 9, 2017
#### Table 5.1 SUBMITTER INFORMATION
| Submitter: | Creagh Medical, Ltd.,<br>dba Surmodics, Inc.<br>IDA Business Park,<br>Ballinasloe,<br>Co. Galway,<br>Ireland<br>H53 K8P4 | Contact Person (U.S. Agent): | Shawn Fuller<br>Phone: 952-500-7090<br>Email: sfuller@surmodics.com |
|----------------------------------------|--------------------------------------------------------------------------------------------------------------------------|------------------------------|---------------------------------------------------------------------------------------------------------------|
| Establishment registration: 3005994106 | | Submitter: | Shane Costello<br>Regulatory Affairs Specialist<br>Phone: 00 353 90 9646309<br>Email: scostello@surmodics.com |
#### Table 5.2 DEVICE INFORMATION
| Trade Name | 014 Hydrophilic Coated PTA Balloon Dilatation<br>Catheter |
|----------------------------|-----------------------------------------------------------|
| Common Name | PTA Balloon Dilatation Catheter |
| Classification Name | Catheter, Angioplasty, Peripheral, Transluminal |
| Regulation /Product Code | 21 CFR 870.1250 |
| Product Code | LIT |
| Regulatory Classification: | Class II |
| Device Panel: | Cardiovascular |
The 014 Hydrophilic Coated PTA Balloon Dilatation Catheter is substantially equivalent to the previously-cleared WILLOW PTA Balloon Dilatation Catheter (K102645). The previously cleared AMPHIRION DEEP 0.014" OTW PTA Balloon Dilatation Catheter (K050073, K052791, K042624, K083919) is also comparable to the 014 Hydrophilic Coated PTA Balloon Dilatation Catheter in terms of technological characteristics and intended use, and will therefore be listed as a reference device for the 014 Hydrophilic Coated PTA Balloon Dilatation Catheter.
#### Table 5.3 PREDICATE DEVICE
| Predicate Device | Manufacturer | FDA 510(k) |
|-------------------------------------------|----------------------|------------|
| WILLOW PTA Balloon Dilatation<br>Catheter | Creagh Medical, Ltd. | K102645 |
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#### Table 5.4 REFERENCE DEVICE
| Reference Device | Manufacturer | FDA 510(k) |
|--------------------------------------------------------------|----------------|---------------------------------------------|
| AMPHIRION DEEP 0.014" OTW<br>PTA Balloon Dilatation Catheter | Medtronic, Inc | K050073,<br>K052791,<br>K042624,<br>K083919 |
### 5.1 DEVICE DESCRIPTION
The 014 Hydrophilic Coated PTA Balloon Dilatation Catheter is an over the-wire (OTW) co-axial percutaneous transluminal angioplasty (PTA) catheter system designed for use with a 0.014" guidewire. The shaft of the PTA balloon catheter contains a distal balloon and a manifold on the proximal. The balloon has two radiopaque markers that aid in the placement of the balloon within the stenosis. The clearance between the inner and outer catheter shaft acts as the passage for the inflation medium for balloon expansion. The balloon and catheter shaft are coated with a hydrophilic coating.
The proximal end of the catheter has a bifurcated manifold and strain relief that allows for the use of the 0.014" guidewire and the attachment of a balloon inflation device via a standard luer connector. The inflation device is used to inflate and deflate the balloon with a contrast medium. The 014 Hydrophilic Coated PTA Balloon Dilatation Catheter is to be provided sterile (via ethylene oxide, EtO) and is intended for single use only.
## 5.2 INTENDED USE/INDICATIONS FOR USE (IFU)
The 014 Hydrophilic Coated PTA Balloon Dilatation Catheter is indicated for Percutaneous Transluminal Angioplasty (PTA) dilation of peripheral vasculature stenoses in the iliac, femoral, ilio-femoral, popliteal, infra-popliteal, and renal arteries, and for the treatment of obstructive lesions of native or synthetic arteriovenous dialysis fistulae.
## 5.3 SUMMARY OF TECHNOLOGICAL CHARACTERISTICS
The 014 Hydrophilic Coated PTA Balloon Dilatation Catheter incorporates substantially equivalent device design, materials, packaging, manufacturing processes & sterilization method as the predicate WILLOW PTA Balloon Dilatation Catheter. The 014 Hydrophilic Coated PTA Balloon Dilatation Catheter incorporates substantially equivalent device design, materials, and hydrophilic coating as the reference device, AMPHIRION DEEP 0.014" OTW PTA Balloon Dilatation Catheter. The 014 Hydrophilic Coated PTA Balloon Dilatation Catheter has the same indications for use and classification as both the predicate and reference devices. Where substantial equivalence is not directly demonstrated from the perspective of technology and
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performance, design verification testing provides evidence of the substantial equivalence of the 014 Hydrophilic Coated PTA Balloon Dilatation Catheter.
## 5.4 PERFORMANCE DATA
Testing has been performed to demonstrate substantial equivalence of the 014 Hydrophilic Coated PTA Balloon Dilatation Catheter with the predicate device. The following non-clinical testing was performed:
- . Bench Testing
- Biocompatibility
- Sterilization ●
#### Performance Bench Testing
The following performance bench testing was performed for the following design outputs:
- -Rated Burst Pressure (RBP)
- Balloon Diameter at Nominal Pressure -
- Multiple Inflation/Fatigue & Leak Test -
- Balloon Length & Marker Band Position -
- Inflation & Deflation Time -
- -Ancillary Tool Compatibility (Guidewire)
- -Catheter Effective Length
- Tensile Strength (strength of the catheter shafts, bonds and tip) -
- -Device Compatibility (sheath, ancillary devices)
- Tip Profile (Geometry of the catheter most distal tip) -
- -Simulated Use
- Flexibility & Kink -
- -Coating Lubricity
- -Particulate
- -Radiopacity
The packaging system for the predicate WILLOW PTA Balloon Dilatation Catheter has been demonstrated to be equivalent to the 014 Hydrophilic Coated PTA Balloon Dilatation Catheter, and the packaging validations for the predicate also support the packaging system for the WILLOW PTA Balloon Dilatation Catheter.
#### 5.4.1 BIOCOMPATIBILITY
Biocompatibility of the 014 Hydrophilic Coated PTA Balloon Dilatation Catheter has been evaluated in accordance with ISO 10993-1:2009, "Biological evaluation of medical devices -Part 1: Evaluation and testing within a risk management process" and FDA Guidance "Use of International Standard ISO 10993-1, Biological evaluation of medical devices - Part 1: Evaluation and testing within a risk management process, Guidance for Industry and Food and Drug Administration Staff". Per the requirements of ISO 10993-1 2009 the 014 Hydrophilic Coated PTA Balloon Dilatation Catheter is classified as an externally communicating device in contact with circulating blood for limited exposure duration. Biocompatibility tests appropriate for the device classification were selected, and testing was completed in accordance with FDA
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Good Laboratory Practice (GLP) regulations (21 CFR, Part 58). The following biocompatibility tests were performed:
- -Neutral Red Cytotoxicity Testing
- Kligman Maximization Sensitization Test -
- Irritation by Intracutaneous Injection -
- Acute Systemic Toxicity by Systemic Injection -
- -Rabbit Pyrogen Test (Material Mediated)
- Hemolysis ASTM Method (Direct and Indirect) -
- -C3a Complement Activation Assay
- SC5b Complement Activation Assay -
- -In vivo Thrombogenicity Assay
The results of the biocompatibility testing indicate that the 014 Hydrophilic Coated PTA Balloon Dilatation Catheter is biocompatible and suitable for its intended use.
#### 5.4.2 STERILIZATION
The Ethylene Oxide (EtO) sterilization cycle used for the predicate device WILLOW has been adapted to include the 014 Hydrophilic Coated PTA Balloon Dilatation Catheter. To confirm the suitability of the sterilization cycle for the device the following sterilization product testing has been completed:
- o Product Bioburden (Bioburden Validation) - with the addition of the hydrophilic coating on the 014 Hydrophilic Coated Balloon Dilatation Catheter product bioburden impact needs to be considered.
- LAL/Endotoxin Testing (LAL Validation) with the inclusion of the hydrophilic coating 0 on the 014 Hydrophilic Coated Balloon Dilatation Catheter a new endotoxin validation will be required to be completed.
- Residual Degas Assessment - with the inclusion of the hydrophilic coating on the 014 Hydrophilic Coated Balloon Dilatation Catheter is there any change in the degas time required for the residual EO gas evaporate from the 014 Hydrophilic Coated Balloon Dilatation Catheter.
The results of the sterilization product testing have demonstrated that the Ethylene Oxide (EtO) sterilization method for the 014 Hydrophilic Coated PTA Balloon Dilatation Catheter meets the requirements of ISO 11135:2014, and that the sterility of the device will be maintained.
Creagh Medical utilized the following sterilization site: Synergy Health Ireland, Sragh Industrial Estate, Tullamore, Co. Offaly. Ireland.
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#### 5.4.3 CLINICAL DATA
No clinical data is being submitted for the 014 Hydrophilic Coated PTA Balloon Dilatation Catheter.
# 5.5 CONCLUSIONS
Based upon the device description, indications for use, technological characteristics & performance data it can be concluded that the 014 Hydrophilic Coated PTA Balloon Dilatation Catheter is substantially equivalent to the predicate device and is appropriate for the intended use.
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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.
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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).
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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.
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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?
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Select multiple rows in the results table (aim for under ~10), then open the PDF Viewer tab. Ask one question — it goes to all selected devices in parallel, each with citations. This is the fastest way to compare and contrast devices: training data, PCCP scope, how they handled adding new scanners, and so on.
What does the side-by-side PDF viewer mode do?
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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.
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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.
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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.
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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.