(47 days)
Antimicrobial Susceptibility Test Discs are for the semi-quantitative susceptibility testing by agar diffusion test procedure of rapidly growing micro-organisms. For Ertapenem these include: Staphylococcus aureus (methicillin susceptible isolates only), Streptococcus agalactiae, Streptococcus pneumoniae (penicillin susceptible isolates only), Streptococcus pyogenes, Escherichia coli, Haemophilus influenzae (Beta-lactamase negative isolates only), Klebsiella pneumoniae, Moraxella catarrhalis, and Proteus mirabilis.
Not Found
The provided text is a Food and Drug Administration (FDA) clearance letter for a medical device called "Ertapenem Antimicrobial Susceptibility Test Disc." This document does not contain the acceptance criteria or a study description the way the user's request expects for AI/ML-driven medical devices.
The FDA clearance for this device focuses on its "substantial equivalence" to a legally marketed predicate device. This means the device performs similarly to an existing device, and the clearance process for such in vitro diagnostic devices typically involves clinical studies to establish performance characteristics like accuracy, precision, and reproducibility. However, the details of such a study are not provided in this specific letter.
Therefore, I cannot fulfill the request as the necessary information (acceptance criteria, study details, sample sizes, ground truth establishment, expert qualifications, etc.) is not present in the provided text. The device described is an Antimicrobial Susceptibility Test Disc, which is a physical diagnostic tool for laboratory use, not an AI/ML-driven device, so many of the requested categories (e.g., MRMC studies, standalone algorithm performance, training set) are not applicable in their typical sense for this product.
§ 866.1620 Antimicrobial susceptibility test disc.
(a)
Identification. An antimicrobial susceptibility test disc is a device that consists of antimicrobic-impregnated paper discs used to measure by a disc-agar diffusion technique or a disc-broth elution technique the in vitro susceptibility of most clinically important bacterial pathogens to antimicrobial agents. In the disc-agar diffusion technique, bacterial susceptibility is ascertained by directly measuring the magnitude of a zone of bacterial inhibition around the disc on an agar surface. The disc-broth elution technique is associated with an automated rapid susceptibility test system and employs a fluid medium in which susceptibility is ascertained by photometrically measuring changes in bacterial growth resulting when antimicrobial material is eluted from the disc into the fluid medium. Test results are used to determine the antimicrobial agent of choice in the treatment of bacterial diseases.(b)
Classification. Class II (performance standards).