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Kitazato ET Catheters are intended for ultrasound guided introduction of embryos into the uterine cavity following in vitro fertilization.

Kitazato ET Catheters are sterile, single-use catheters for use in embryo transfer procedures. The catheter is used to hold and deliver embryos to the uterine cavity during a procedure. Catheters are available in 3Fr and 4Fr sizes, both of which are provided in lengths of 220 mm and 250 mm, as well as one version that is 3Fr and 400 mm length that has the same uterine insertion depth as the other device versions, but allows the user to be positioned further from the patient during a procedure. Devices also include versions with and without an echo reflective chip in the tip of the catheter. The echo reflective chip aids in visualization of the catheter during a transfer procedure; all transfer procedures are to be done under ultrasound guidance. Both the Type 2 devices also include a stainless steel or polyimide core to provide additional rigidity to the catheter. The guide is used to navigate the pathway through the cervical canal to allow for easier catheter insertion Guides are provided with a 30° pre-curved distal shaft and are available in lengths of 170 mm and 200 mm. Guides also include a styrene elastomer stopper to aid in positioning the targeted uterine insertion depth. The guides are also available with a straight or bulb tip design, and with and without an echo reflective chip in the tip of the guide. An obturator with a length of 170 mm or 200 mm is provided with the Type 2 versions of the device to prevent ingress of fluid into the guide lumen during guide insertion. The Stylet is an optional accessory used when additional rigidity is needed during insertion of the guide through the cervix, and is provided in two lengths, 170 mm and 200 mm. The stainless steel core of the Stylet can be shaped to aid in guide delivery through the cervix.

This document describes a 510(k) premarket notification for the Kitazato ET Catheters. The focus of the provided text is on demonstrating the substantial equivalence of the Kitazato ET Catheters to a legally marketed predicate device (Guardia™ Access Embryo Transfer Catheter Sets). As such, the information provided is geared towards comparing the new device to an existing one, rather than establishing the performance of a novel AI/software medical device against defined acceptance criteria in the way a traditional clinical study would for an AI-powered diagnostic.

Therefore, the requested information about "acceptance criteria and the study that proves the device meets the acceptance criteria" in the context of an AI medical device (e.g., sample size for test set, data provenance, number of experts, adjudication method, MRMC study, standalone performance, type of ground truth, training set sample size and ground truth establishment) is largely not applicable to this submission.

This submission is for a physical medical device (catheters) and relies on bench testing and biocompatibility studies to show substantial equivalence, not a clinical study involving human readers and AI performance.

However, I can extract information related to relevant non-clinical performance and "acceptance criteria" where applicable to this physical device, as described in the document.

Acceptance Criteria and Device Performance for Kitazato ET Catheters (Physical Device)

This submission focuses on demonstrating substantial equivalence of a physical medical device (embryo transfer catheters) to a predicate device, primarily through non-clinical performance data. Therefore, the "acceptance criteria" are related to established norms for medical device safety and performance rather than AI-specific metrics like AUC, sensitivity, or specificity in a diagnostic context.

Here's the relevant information based on the provided text:

1. Table of Acceptance Criteria and Reported Device Performance

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The Kitazato ET Catheters are intended for ultrasound guided introduction of embryos into the uterine in vitro fertilisation.

Kitazato ET Catheters are sterile, single-use catheters for embryo transfer. The ET Catheters consist of a transfer catheter, guide catheter, and a stylet sheath. The Transfer catheter (hereafter referred to as 'catheter' or 'ET Catheter') is composed of a catheter shaft, a connector and a shaft protective sleeve (protector). The catheter types include a normal catheter (Type1, EC-PRO Normal), a catheter with a stainless outer stiffener (Type2, EC-PRO Supported), a catheter with Echo Line (Type3, EC-PRO Master), and a catheter that has both the stainless outer stiffener and the echo line (Type4, EC-PRO Master Supported), all of which are offered in lengths of 18cm and 23cm, and various versions (v1-v8). A corresponding Trial catheter of the same length is provided for all four Types of the Kitazato ET Catheters. The Guide catheter is offered both with a straight shaft and a 30° pre-curved distal shaft. The Stylet Cannula (Type5) is an optional accessory used when additional rigidity is needed during insertion of the cannula through the cervix, and is offered in two lengths, 13.5 cm and 18.5 cm.

During the implantation procedure of the embryo into the uterus, the catheter is introduced into the uterine cavity through the cervix, then the embryo is delivered into the uterine cavity by plunging the syringe that is coupled at the connector end of the catheter via a 6% taper luer lock. A syringe is not included with the Kitazato ET Catheters.

The provided text describes the Kitazato ET Catheters, an embryo transfer catheter, and its substantial equivalence to a predicate device. It includes non-clinical performance data to support its safety and effectiveness.

Here's the information requested, based on the provided text:

1. Table of Acceptance Criteria and Reported Device Performance

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