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The ENSEAL X1 Curved Jaw and ENSEAL X1 Straight Jaw Tissue Sealers are bipolar electrosurgical instruments for use with an electrosurgical generator. They are indicated for use during open or laparoscopic surgery.

Indications for use include open and laparoscopic general surgical procedures (including bowel resections, gynecology, gastric, urologic and thoracic surgical procedures) where vessel ligation (sealing and cutting), division of lymphatics, tissue grasping and dissection is performed. The devices can be used on vessels and vascular bundles up to and including 7 mm in diameter.

The ENSEAL™ X1 Curved and Straight Jaw Tissue Sealers are intended to cut and seal vessels, and to cut, grasp, and dissect tissue during surgery.

The ENSEAL™ X1 Curved and Straight Jaw Tissue Sealers are sterile, single-patient-use surgical instruments used to coagulate and transect vessels up to and including 7 mm in diameter, tissue, and/or vascular bundles. These devices are for soft tissue only. The instrument consists of a grip housing assembly, a rotating shaft, a moveable jaw, and a knife. The instrument shaft can be rotated 360° to facilitate visualization and enable easy access to targeted tissue. The jaws are in a normally-opened position and can be partially or fully closed by squeezing the closing handle. The jaws are designed for grasping and holding targeted tissue when clamped. The ENSEAL™ X1 Curved and Straight JawTissue Sealers have separate seal and cut capabilities. The lower jaw of the ENSEAL™ X1 Curved and Straight Jaw Tissue Sealers can be used in the open or closed position to deliver energy based on the electrode configuration and jaw design. Bipolar energy is delivered when the SEAL button or the MIN foot pedal is pressed. Pressing the CUT button advances the knife the length of the jaws to cut the targeted tissue. The power cord is permanently attached to the device and connects the instrument to the generator. The ENSEAL™ X 1 Curved and Straight Jaw Tissue Sealer instruments are designed for use exclusively with the Ethicon Generator G11(GEN11). software version 2016-1 or later, or other compatible Ethicon generators. Refer to the Ethicon Generator's Manual for more information.

The provided text is a 510(k) summary for the ENSEAL X1 Curved and Straight Jaw Tissue Sealers. It details the device's indications for use, comparison to predicate devices, and performance data. However, it does not describe an AI/device performance study with the detailed acceptance criteria and study design requested in the prompt.

Specifically, the document states:

• "Bench Performance data was not included as part of this premarket notification. There is no change in the technological characteristics between the subject device ENSEAL™ X1 Curved and Straight Jaw Tissue Sealers and cleared predicates; Curved Jaw Tissue Sealer (K201066) and Straight Jaw Tissue Sealer (K201696)."
• "An acute animal study was conducted that evaluated the performance of ENSEAL X1 Curved and Straight Jaw Tissue Sealers in gastric procedures."

This indicates that the submission relies on the substantial equivalence to predicate devices, and the animal study is for performance evaluation in a specific procedural context, not for evaluating an AI algorithm against a test set with ground truth established by experts.

Therefore, I cannot extract the information requested in points 1-9 of your prompt, as the provided text does not contain details about an AI-based device performance study, acceptance criteria for an AI algorithm, or details related to ground truth establishment by experts for AI evaluation.

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