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510(k) Data Aggregation

    K Number
    K182553
    Device Name
    Inno-Pathwire
    Date Cleared
    2019-03-11

    (175 days)

    Product Code
    Regulation Number
    870.1330
    Reference & Predicate Devices
    Predicate For
    N/A
    AI/MLSaMDIVD (In Vitro Diagnostic)TherapeuticDiagnosticis PCCP AuthorizedThirdpartyExpeditedreview
    Intended Use

    The Inno-Pathwire is intended to facilitate the placement of balloon dilatation catheters during percutaneous transluminal coronary angioplasty (PTCA) and percutaneous transluminal angioplasty (PTA).

    Device Description

    The Inno-Pathwire is a steerable guidewire available in a diameter of 0.014" (0.36 mm) and an effective length of 190 cm. The distal tip is shapeable. Before use, the tip can be shaped "J". The wire construction includes a stainless steel proximal shaft and a distal super-elastic nitinol shaft for flexibility and performance. The two shafts are connected by a super-elastic nitinol hypotube. The distal shaft is soldered with the tip coil or the tip coil and proximal coil both. For IW-14-190-EXS model, the distal shaft is soldered to the tip coil only but for IW-14-190-STS and IW-14-190-MDS, their distal shafts are soldered to the tip coil and proximal coil both. The tip coil is visible under Xray to assist the physician with the movement of the guidewire. The distal segment of the guidewire, up to the hypotube, is coated with hydrophilic coating to reduce friction for improved guidewire movement within the catheter and arteries. The proximal end of the guidewire is coated with PTFE coating which reduces friction of the wire within a catheter.

    The guidewire is packaged in a plastic dispenser that is contained within an individual package. A Torquer is included which connects to the proximal end of the guidewire for twisting and controlling the guidewire. The guidewires are packaged within a cardboard box which contains five individual guidewires.

    AI/ML Overview

    The provided text describes the acceptance criteria and study for the Inno-Pathwire, a medical device, in its 510(k) summary. However, this is a medical device submission for a guidewire, not a software or AI-based device. Therefore, many of the requested fields related to AI performance, ground truth, and expert evaluation are not applicable (N/A) for this type of submission.

    Here is the information that can be extracted from the provided text, modified to acknowledge the product type:


    1. Table of Acceptance Criteria and Reported Device Performance

    Acceptance Criteria (Performance Test)Reported Device Performance (Demonstrated)
    Dimensional VerificationAchieved
    Visual InspectionAchieved
    Torque StrengthAchieved
    Coating Adherence/IntegrityAchieved
    LubricityAchieved
    Kink ResistanceAchieved
    RadiopacityAchieved
    Tensile Strength/Tip PullAchieved
    TorqueabilityAchieved
    Particulate EvaluationAchieved
    Resistance to corrosionAchieved
    Tip FlexibilityAchieved
    Biocompatibility:
    CytotoxicityAcceptable (No safety risks)
    Irritation and Skin SensitizationAcceptable (No safety risks)
    Acute Systemic ToxicityAcceptable (No safety risks)
    Pyrogenicity (Rabbit Pyrogen Test)Acceptable (No pyrogenic response)
    SC5b-9 Complement ActivationAcceptable (No safety risks)
    Unactivated Partial Thromboplastin TimeAcceptable (No safety risks)
    Rabbit Blood HemolysisAcceptable (No safety risks)
    HemocompatibilityAcceptable (No safety risks)
    ThrombogenicityAcceptable (No safety risks)
    Sterilization:
    Sterility Assurance Level (SAL)10⁻⁶ (Validated to ISO 11135)
    EO and ECH ResidualsMet requirements for limited exposure devices (ISO 10993-7)
    Pyrogenicity (Bacterial Endotoxin Test)Consistent with product release requirements

    The following fields are N/A because the Inno-Pathwire is a physical medical device (guidewire), not an AI or software device. The studies described are bench tests and biocompatibility tests, not evaluations of algorithmic performance.

    2. Sample size used for the test set and the data provenance: N/A (Not an AI/software device; testing involved physical device samples and materials)
    3. Number of experts used to establish the ground truth for the test set and the qualifications of those experts: N/A (Ground truth is based on engineering specifications, material science, and biological testing standards)
    4. Adjudication method for the test set: N/A (Not an AI/software device evaluation)
    5. If a multi-reader multi-case (MRMC) comparative effectiveness study was done, if so, what was the effect size of how much human readers improve with AI vs without AI assistance: N/A (Not an AI/software device)
    6. If a standalone (i.e. algorithm only without human-in-the-loop performance) was done: N/A (Not an AI/software device)
    7. The type of ground truth used: For physical performance tests, the "ground truth" is defined by established engineering and medical device standards (e.g., ISO, ASTM) and the expected physical and chemical properties of the materials. For biocompatibility, it's the biological response measured against toxicity, irritation, and other harmful effects as defined by ISO 10993 standards.
    8. The sample size for the training set: N/A (Not an AI/software device; no "training set" in the AI sense)
    9. How the ground truth for the training set was established: N/A (Not an AI/software device)

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