K Number
K203533
Device Name
VASSALLO GT
Manufacturer
Date Cleared
2021-04-21

(140 days)

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

This product is intended to facilitate the placement and exchange of diagnostic and therapeutic devices during intravascular procedures. This device is intended for peripheral vascular use only.

Device Description

The VASSALLO® GT Peripheral Guide Wires in this submission are steerable guide wires with a maximum diameter of 0.014 inches (0.36mm) and available in 190cm and 300cm lengths. These devices have a solid core with a hydrophilic coil-type distal end. When wet, the hydrophilic coating increases the lubricity of the quidewire surface. Some models also include silicone coating on the distal tip. The coil is partly or entirely radiopaque to facilitate selection of the blood vessel and confirmation of the position of the guide wire's distal end by fluoroscopy. The core shaft surface is coated with Polytetrafluoroethylene (PTFE). About 2cm of the distal end can be shaped. A detachable extension wire (hereafter "extension wire") is available to connect with the proximal end of the quide wire with a length of less than 300 cm. A Torque device is included in the same package.

AI/ML Overview

This document is a 510(k) summary for the VASSALLO® GT Guide Wire. It details the device's characteristics, intended use, and substantial equivalence to predicate devices, based on non-clinical testing.

Here's a breakdown of the requested information based on the provided text:

1. Table of Acceptance Criteria and Reported Device Performance

The document states that "The in vitro bench tests demonstrated that the VASSALLO GT met all acceptance criteria". However, it does not provide a specific table of acceptance criteria with corresponding performance values. It only lists the types of tests performed.

Test PerformedAcceptance CriteriaReported Device Performance
Dimensional VerificationNot specified in documentMet acceptance criteria
Visual InspectionNot specified in documentMet acceptance criteria
Simulated UseNot specified in documentMet acceptance criteria
Tensile Strength / Tip PullNot specified in documentMet acceptance criteria
Torque StrengthNot specified in documentMet acceptance criteria
TorqueabilityNot specified in documentMet acceptance criteria
Coating IntegrityNot specified in documentMet acceptance criteria
Coating AdhesionNot specified in documentMet acceptance criteria
Catheter Compatibility / LubricityNot specified in documentMet acceptance criteria
Corrosion ResistanceNot specified in documentMet acceptance criteria
Kink ResistanceNot specified in documentMet acceptance criteria
Tip FlexibilityNot specified in documentMet acceptance criteria
RadiopacityNot specified in documentMet acceptance criteria

2. Sample Size Used for the Test Set and Data Provenance

The document does not specify the sample size used for each non-clinical test.
The data provenance is from non-clinical laboratory testing performed on the VASSALLO® GT. The country of origin for the manufacturing company (Filmecc Co., Ltd.) is Japan. The type of study is bench testing (in vitro), not human subject testing (prospective or retrospective).

3. Number of Experts Used to Establish Ground Truth for the Test Set and Qualifications

This question is not applicable as the study described is non-clinical bench testing, not a clinical study involving expert interpretation of data or images. Ground truth for non-clinical tests is established by adhering to testing standards and specifications.

4. Adjudication Method for the Test Set

This question is not applicable as the study described is non-clinical bench testing. Adjudication methods are typically relevant for clinical studies where human interpretation or consensus is required.

5. If a Multi-Reader Multi-Case (MRMC) Comparative Effectiveness Study Was Done

No, a multi-reader multi-case (MRMC) comparative effectiveness study was not done. This document focuses on non-clinical bench testing of a guide wire, not an AI-assisted diagnostic device. Therefore, there is no discussion of human readers, AI assistance, or effect sizes in that context.

6. If a Standalone (i.e., algorithm only without human-in-the-loop performance) Was Done

This question is not applicable. The device is a medical guide wire, not an algorithm or software requiring standalone performance evaluation.

7. The Type of Ground Truth Used

For the non-clinical tests, the "ground truth" or reference for evaluating performance would be predefined engineering specifications, international standards, and performance characteristics of predicate devices. The document states that the device "met all acceptance criteria" and "performed similarly to the predicate and reference devices," implying comparison against these types of benchmarks.

8. The Sample Size for the Training Set

This question is not applicable. There is no mention of a "training set" as this is a physical medical device undergoing bench testing, not an AI/machine learning model.

9. How the Ground Truth for the Training Set Was Established

This question is not applicable as there is no training set for a guide wire.

§ 870.1330 Catheter guide wire.

(a)
Identification. A catheter guide wire is a coiled wire that is designed to fit inside a percutaneous catheter for the purpose of directing the catheter through a blood vessel.(b)
Classification. Class II (special controls). The device, when it is a torque device that is manually operated, non-patient contacting, and intended to manipulate non-cerebral vascular guide wires, is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to the limitations in § 870.9.