Pirouette 018 is intended for balloon dilation of the iliac, femoral, popliteal, infra-popliteal and renal arteries.
Device Story
Pirouette 018 is an over-the-wire (OTW) percutaneous transluminal angioplasty (PTA) catheter; used by physicians in clinical settings for balloon dilation of peripheral arteries. Device consists of a catheter shaft with a balloon at the distal end and a manifold at the proximal end. Physician inserts catheter over a guidewire (max 0.018 inch) into the target vessel; balloon is inflated to dilate the artery; radiopaque marker bands facilitate positioning under fluoroscopy. Device is single-use and sterilized via ethylene oxide. Output is mechanical dilation of stenotic vessels; helps restore blood flow. Benefits include minimally invasive treatment of arterial disease.
Clinical Evidence
No clinical studies were performed. Safety and effectiveness were established through extensive non-clinical bench testing, including dimensional verification, balloon fatigue, burst pressure, bond strength, and biocompatibility (cytotoxicity, sensitization, systemic toxicity, hemolysis, and thromboresistance).
Technological Characteristics
OTW PTA catheter; dual-lumen Y-design manifold; balloon diameters 2-9mm; lengths 20-300mm; nominal pressure 8 atm; rated burst pressure 12-16 atm. Features two radiopaque marker bands. Materials include standard catheter polymers; hydrophilic coating. Sterilization via Ethylene Oxide (EtO).
Indications for Use
Indicated for balloon dilation of iliac, femoral, popliteal, infra-popliteal, and renal arteries in patients requiring percutaneous transluminal angioplasty.
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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Food and Drug Administration 10903 New Hampshire Avenue Document Control Center - WO66-G609 Silver Spring, MD 20993-0002
August 20, 2015
ArraVasc Limited c/o Jan-Paul van Loon Qserve Group US Inc. P.O Box 940 Charlestown, NH 03603
Re: K151153
Trade/Device Name: Pirouette 018 Regulation Number: 21 CFR 870.1250 Regulation Name: Percutaneous Catheter Regulatory Class: Class II Product Code: LIT Dated: July 9, 2015 Received: July 13, 2015
Dear Jan-Paul van Loon:
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
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device-related 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 at its toll-free number (800) 638-2041 or (301) 796-7100 or at its Internet address
http://www.fda.gov/MedicalDevices/Resourcesfor You/Industry/default.htm. Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21CFR 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 yours,
# 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) K151153
Device Name Pirouette 018
Indications for Use (Describe)
Pirouette 018 is intended for balloon dilation of the iliac, femoral, popliteal and renal arteries.
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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## 510(k) Summary
#### 1. Submitter
| Submitter Address: | ArraVasc Limited<br>2 Ballybrit Business Park,<br>Galway<br>Ireland |
|--------------------|---------------------------------------------------------------------|
| Phone Number: | +353-91-758939 |
| Fax Number: | +353-91-758930 |
| Contact Person: | Máiréad McCaffrey |
| Date Prepared: | 15 April 2015 |
#### 2. Device
| Device Trade Name: | Pirouette 018 |
|------------------------|----------------------------------------------|
| Common Name: | OTW PTA catheter |
| Classification Name: | Peripheral Transluminal Angioplasty Catheter |
| Classification number: | 21 CFR 870.1250 |
| Product code: | LIT |
| Class: | II |
| Classification Panel: | Cardiovascular |
#### 3. Predicate Devices
| Primary predicate: | Bantam and Bantam OTW PTA Catheter<br>Clearstream Technologies Ltd.<br>510(K) number: K112335/K093139 |
|----------------------|-------------------------------------------------------------------------------------------------------|
| Secondary predicate: | SABER IM PTA Dilation Catheter<br>Cordis Corporation<br>510(K) number: K133843 |
#### 4. Device Description
Physical Description: Percutaneous Transluminal Angioplasty Catheter (PTA Catheter).
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#### 5. Indication for use
| Indications for Use | Pirouette 018 is intended for balloon dilation of the iliac, femoral,<br>popliteal, infra-popliteal and renal arteries. |
|---------------------|-------------------------------------------------------------------------------------------------------------------------|
| Statement: | |
#### 6. Comparison of technological characteristics with the predicate device
| Summary of<br>Technological<br>Characteristics | The Pirouette 018 incorporates<br>substantially equivalent design, packaging, fundamental technology,<br>materials, manufacturing, sterilization and intended use as those<br>featured in the primary predicate Bantam and Bantam OTW PTA<br>catheters and contains a hydrophilic coating substantially equivalent to<br>the secondary predicate SABERTM PTA catheter. |
|------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
### Table 1 Summary of general and technical characteristics against the predicate devices.
| Parameter | Characteristics |
|--------------------------|------------------------------------------------------------------------------|
| Classification | Class II, 21 CFR 870.1250 |
| | Same Classification as predicate devices. |
| Intended Use | Same intended use of balloon dilatation of the femoral, popliteal and |
| | infra-popliteal arteries with additional vessels; iliac and renal indicated. |
| Balloon material | Same type of material |
| Balloon diameter | Same range of balloon diameters: 2 - 9 mm |
| Balloon length | Comparable range of balloon lengths: 20 - 300mm |
| Nominal pressure (atm) | Same or higher nominal pressure: 8 atm. |
| Rated burst pressure | Comparable rated burst pressure: 16atm (2.0-5.0mm balloon |
| (atm) | diameter) / 14atm (6.0mm balloon diameter) / 12atm( 7.0-9.0mm |
| | balloon diameter) |
| Radiopaque | Two Markerbands, one at distal and one at proximal side of the |
| Marker bands | balloon, with the same function. |
| Outer shaft | Same type material |
| | |
| Catheter shaft | Same diameter or lower: 3.6 . 4.2 Fr |
| outer diameter | |
| Catheter Usable | Comparable range of usable lengths: 45 - 150cm |
| Lengths (cm) | |
| Recommended | Comparable size or lower: 4 . 5 Fr |
| Introducer Sheath | |
| compatibility | |
| Recommended | Same compatibility; maximum 0.018+ |
| Guidewire diameter | |
| Catheter strain relief & | Same type of material, with the same function. |
| manifold material | |
| Catheter manifold | Same design, dual lumen Y design, with the same function. |
| design | |
| Catheter coating | Similar type of coating. |
| Sterilization Method | Same method; Ethylene Oxide. |
| Single Use / Reusable | Single Use |
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#### 7. Performance Data
The Pirouette 018 was thoroughly tested on the bench to evaluate and verify that it meets the required performance specifications and to support a determination of substantial equivalence. The bench testing plan was developed with the consideration of the recommendations outlined in the applicable FDA quidance documents, tests recommended in ISO 10555-1. Intravascular catheters- Sterile and single-use catheters - Part 1: General Requirements, and 10555-4, Intravascular catheters- Sterile and single-use catheters - Part 4: Balloon dilatation catheters. Testing performed on the Pirouette included the following:
### Non-Clinical Tests:
- Dimensional verification
- Balloon preparation, pushability, trackability, deployment,withdrawal and balloon reinsertion ●
- Balloon rated burst pressure (RBP) ●
- Balloon fatigue (repeated balloon inflations) .
- Balloon Compliance at nominal and rated burst inflation pressure
- . Balloon Inflation/Deflation Time
- Catheter Bond Strength (Tip to balloon, balloon to proximal shaft, shaft to manifold)
- Flexibility and Kink test ●
- Torque Strength ●
- Radiopacity .
- Coating Integrity ●
- . Particulate evaluation
- . Guide wire compatibility
- Introducer sheath compatibility
The results showed that the Pirouette 018 met the pre-determined acceptance criteria.
### Biocompatibility Tests:
Per ISO10993-1:2009, Biological evaluation of medical devices-Part 1: Evaluation and testing within a risk management process, the Pirouette 018 is classified as an externally communicating device, which contacts circulating blood during a limited contact duration (m24hours). Biocompatibility testing conducted on Pirouette 018 per ISO 10993-1:2009 included the following:
- . MTT Cytotoxicity Study
- ISO Maximization Sensitization Study ●
- ISO Intracutaneous Study ●
- ISO Systemic Toxicity Study ●
- ASTM Hemolysis
- C3a Complement Activation Assay .
- SC5b-9 Complement Activation Assay ●
- ASTM Partial Thromboplastin Time ●
- In Vivo Thromboresistance Study Jugular Vein ●
- . Pyrogenicity
The test results show that the Pirouette 018 is biocompatible.
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Sterilization, Shelf life tests and Packaging validation:
- . EtO sterilzation validation
- . EtO/ECH residue determination
- . Shelf life testing
- . Packaging validation
Test results show that the Pirouette 018 is sterily is maintained by the packaging during the entire shelf life of the device. From the results it was also concluded that the device meets the criteria for Residual Testing, i.e. EtO/ECH residues.
### Clinical Performance Data:
- No clinical studies were performed for the purpose of obtaining safety and effectiveness data. .
- The Pirouette 018 has been approved for marketing in the European Union (CE certified) in 2014. . and has been marketed in the EU for since then.
#### 8. Conclusions
The performance testing presented above establishes that the Pirouette 018 is as safe and effective for its intended use as the predicate device. The comparison tabulated above demonstrates that the Pirouette 018 device is substantially equivalent to the predicate devices.
Information contained within this submission demonstrates that the Pirouette 018:
- . Has legally marketed predicate devices;
- Has identical indications for use as the identified primary predicate devices; ●
- Incorporates the same fundamental technology, and uses accepted scientific methods and international standards to evaluate device safety and effectiveness;
- Demonstrates that the design and performance of the Pirouette 018 has equivalent safety and performance characteristics of predicate devices, and does not raise different questions of safety and effectiveness.
Based upon the; intended use, design, performance characteristics, non-clinical performance testing performed, and comparison to legally marketed devices, it is concluded that the Pirouette 018 is appropriate for its intended use, and is substantially equivalent to the predicate devices.
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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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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.
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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?
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.
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Reading rule for every project: how many summaries do you read in full?
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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?
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.
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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.
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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.
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.