The Micropuncture® Introducer Set is intended for the placement of wire guides up to 0.038-inch diameter into the peripheral vascular system when a small 21 gage needle stick is desired. The Micropuncture® Pedal Access Set is intended to introduce up to an 0.038" wire guide into the peripheral vasculature. It is also used to introduce diagnostic and/or interventional devices able to pass through the ID of the introducer.
Device Story
Introducer sets facilitate peripheral vascular access using Seldinger technique. Components include 21-gage percutaneous entry needle, 0.018-inch mandrel with distal coil tip, 4.0F or 5.0F outer sheath, and 3.0F inner dilator (coaxial pair). Optional components include Check-Flo® hemostasis valve, Tuohy-Borst sidearm adapter, and wire guide inserter. Dilators may contain stainless steel stiffening cannula. Used by clinicians in clinical settings to gain vascular access; allows subsequent introduction of diagnostic or interventional devices. Benefits include reduced trauma via small-gauge needle entry.
Clinical Evidence
Bench testing only. Performance testing included tensile strength (ISO 11070), liquid leakage (ISO 11070), and Luer performance (ISO 80369-7/20) including positive/sub-atmospheric pressure leakage, stress cracking, axial load separation, unscrewing resistance, and overriding resistance. All tests performed at time 0 and after 3-year accelerated aging. Summative evaluation of hub design conducted per AAMI/IEC TIR62366-2 and ANSI/AAMI HE75.
Technological Characteristics
Coaxial introducer system; 4.0F/5.0F outer sheath; 3.0F inner dilator; 21-gage needle; 0.018-inch mandrel with distal coil tip. Materials include stainless steel (stiffening cannula). Luer connections compliant with ISO 80369-7. Sterile, single-use. Mechanical design.
Indications for Use
Indicated for patients requiring peripheral vascular access via a small 21-gage needle stick for the placement of wire guides up to 0.038-inch diameter or the introduction of diagnostic/interventional devices.
Regulatory Classification
Identification
A catheter introducer is a sheath used to facilitate placing a catheter through the skin into a vein or artery.
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Image /page/0/Picture/0 description: The image contains the logo of the U.S. Food & 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.
March 25, 2024
Cook Medical David Lehr Regulatory Affairs Team Lead 750 Daniels Way Bloomington, Indiana 47404
Re: K240589
Trade/Device Name: Micropuncture Introducer Sets Micropuncture Pedal Access Sets Regulation Number: 21 CFR 870.1340 Regulation Name: Catheter introducer Regulatory Class: Class II Product Code: DYB Dated: March 1, 2024 Received: March 1, 2024
Dear David Lehr:
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 device 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 (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. 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 (QS) 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, Finn E.
Digitally signed by Finn
E. Donaldson -S
Donaldson -S Date: 2024.03.25
15:51:13 -04'00'
For
Misti Malone
Assistant Director
DHT2C: Division of Coronary
and Peripheral Intervention Devices
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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) K240589
Device Name Micropuncture® Introducer Sets Micropuncture® Pedal Access Sets
#### Indications for Use (Describe)
The Micropuncture® Introducer Set is intended for the placement of wire guides up to 0.038-inch diameter into the peripheral vascular system when a small 21 gage needle stick is desired.
The Micropuncture® Pedal Access Set is introduce up to an 0.038" wire guide into the peripheral vasculature. It is also used to introduce diagnostic and/or interventional devices able to pass through the ID of the introducer.
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
## As required by 21 CFR §807.92 Date Prepared: March 1, 2024
#### Submitted By:
| Applicant: | Cook Incorporated |
|-----------------------|---------------------------------------------------------------|
| Contact: | David Lehr, RAC |
| Applicant Address: | Cook Incorporated<br>750 Daniels Way<br>Bloomington, IN 47404 |
| Contact Phone Number: | (812) 325-4172 |
| Contact Fax Number: | (812) 332-0281 |
#### Device Information:
Trade Name:
| | Micropuncture Pedal Access Sets |
|--------------------------|---------------------------------|
| Common Name: | Introducer, catheter |
| Classification Name: | Catheter introducer |
| Classification Panel: | Cardiovascular |
| Regulation/Product Code: | 21 CFR §870.1340/DQY |
| Class/Panel: | Class II/Cardiovascular |
# Predicate Device:
Micropuncture® Access Sets (K171275), manufactured by Cook Incorporated.
#### Reference Device:
Micropuncture® Pedal Access Sets (K172980), manufactured by Cook Incorporated.
Micropuncture Introducer Sets
#### Device Description:
The Micropuncture® Introducer Sets and Micropuncture® Pedal Access Sets are utilized to gain access to the vasculature using the Seldinger technique. These introducer sets are composed of either a 4.0 French or a 5.0 French outer sheath and a 3.0 French inner dilator coaxial pair, a 21 gage percutaneous entry needle, a 0.018 inch mandrel with a distal coil tip, and (optionally) a Check-Flo® Hemostasis valve, a Tuohy-Borst Sidearm Adapter, and a wire guide inserter. The dilator of these sets can come with a stainless steel stiffening cannula embedded in the shaft. These sets are supplied sterile and are intended for one-time use.
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# Indications for Use:
The Micropuncture® Introducer Set is intended for the placement of wire guides up to 0.038-inch diameter into the peripheral vascular system when a small 21 gage needle stick is desired.
The Micropuncture® Pedal Access Set is intended to introduce up to an 0.038" wire guide into the peripheral vasculature. It is also used to introduce diagnostic and/or interventional devices able to pass through the ID of the introducer.
# Comparison of Technological Characteristics to Predicate:
It has been demonstrated that the Micropuncture® Introducer Sets and Micropuncture® Pedal Access Sets are substantially equivalent to the predicate device, the Micropuncture® Introducer Sets (K171275) and the reference device, the Micropuncture® Pedal Access Sets (K172980), respectively, in terms of materials and methods of construction, principles of operation, and basic technological characteristics. The indications for use of the subject devices are identical to those of the predicate and reference devices. Modifications include an update to the hub design on the outer sheaths and inner dilators of most introducers.
# Technological Characteristics:
The subject devices, the Micropuncture® Introducer Sets and Micropuncture® Pedal Access Sets, were subjected to applicable testing to assure reliable design and performance under the testing parameters. The tests are listed below.
## Introducer Performance Testing
- Tensile The hub-to-shaft bonds of the 4 Fr and 5 Fr outer sheaths were tested for tensile I strength in accordance with ISO 11070 at both time 0 and 3-year accelerated aging. The predetermined acceptance criteria for all studies were met.
- . Tensile – The hub-to-shaft bonds of the inner dilators (with both stiffened cannula and non-stiffened cannula) were tested for tensile strength in accordance with ISO 11070 at both time 0 and 3-year accelerated aging. The predetermined acceptance criteria for all studies were met.
- Liquid Leakage Both the 4 Fr and 5 Fr outer sheaths were tested for liquid leakage in . accordance with Annex D of ISO 11070 at both time 0 and 3-year accelerated aging. The predetermined acceptance criteria for all studies were met.
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## Luer Performance Testing in accordance with ISO 80369-7
- . Falling Drop Positive Pressure Liquid Leakage – The redesigned introducer hubs were tested for liquid leakage in accordance with ISO 80369-7, Section 6.1.3, and ISO 80369-20, Annex C, at both time 0 and 3-year accelerated aging. The predetermined acceptance criteria for all studies were met.
- Sub-Atmospheric Pressure Air Leakage The redesigned introducer hubs were tested for 트 air leakage in accordance with ISO 80369-7, Section 6.2, and ISO 80369-20, Annex D, at both time 0 and 3-year accelerated aging. The predetermined acceptance criteria for all studies were met.
- Stress Cracking The redesigned introducer hubs were tested for stress cracking in . accordance with ISO 80369-7, Section 6.3 and ISO 80369-20, Annex E, at both time 0 and 3-year accelerated aging. The predetermined acceptance criteria for all studies were met.
- Resistance to Separation from Axial Load The redesigned introducer hubs were tested . for separation from axial load in accordance with ISO 80369-7, Section 6.4, and ISO 80369-20, Annex F, at both time 0 and 3-year accelerated aging. The predetermined acceptance criteria for all studies were met.
- . Resistance to Separation from Unscrewing – The redesigned introducer hubs were tested for resistance to separation from unscrewing in accordance with ISO 80369-7, Section 6.5, and ISO 80369-20, Annex G, at both time 0 and 3-year accelerated aging. The predetermined acceptance criteria for all studies were met.
- Resistance to Overriding The redesigned introducer hubs were tested for resistance to . overriding in accordance with ISO 80369-7, Section 6.6, and ISO 80369-20, Annex H, at both time 0 and 3-year accelerated aging. The predetermined acceptance criteria for all studies were met.
#### Validation
- Non-Rotating Hub Cap Summative Evaluation This analysis was conducted via an . Expert Review of the proposed hub design update in comparison to the current hub design in accordance with Annex K of AAMI/IEC TIR62366-2:2016 and Table A.2 of ANSI/AAMI HE75:2009/(R)2018. The acceptance criteria for this evaluation were met.
#### Conclusion:
The results of these tests support a conclusion that the Micropuncture® Introducer Sets and the Micropuncture® Pedal Access Sets, subject of this submission, met the design input requirements based on the devices' intended uses and that they are substantially equivalent to the predicate
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and reference devices, the Micropuncture® Introducer Sets (Cook Incorporated, K171275) and the Micropuncture® Pedal Access Sets (Cook Incorporated, K172980).
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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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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.
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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.
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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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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.