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The SimpleStitch Suturing System is intended for endoscopic placement of suture(s) and approximation of soft tissue (e.g., closure and healing of ESD/EMR sites, and closing of fistula, perforation or leaks).

The SimpleStitch Suturing System ("SimpleStitch SS") is a sterile, single patient-use device that enables endoscopic placement of sutures and approximation of soft tissue within the gastrointestinal tract using a flexible endoscope. The system includes the following components: SimpleStitch Suture Device, SimpleStitch Suture Cartridge, and SimpleStitch Suture Cinch. The SimpleStitch SS is designed for compatibility with single-channel endoscopes (gastroscopes and colonoscopes) with a minimum working channel inner diameter of 2.8mm. During use, the suturing device/suture cartridge is mounted to the endoscope's exterior; the cinching device goes through the endoscope's working channel. The SimpleStitch SS is available with a USP 2-0 and USP 0 nonabsorbable polyester suture. Tissue is secured using a cinch anchor once tissue approximation is complete.

This FDA 510(k) clearance letter and summary is for a physical medical device (SimpleStitch Suturing System), not an AI/Software as a Medical Device (SaMD). Therefore, the information typically requested for AI/SaMD performance studies (such as acceptance criteria for algorithm performance, sample size for test sets with ground truth, number of experts for ground truth, MRMC studies, standalone performance, training set details, etc.) is not applicable here.

The document focuses on demonstrating substantial equivalence to a predicate device (OverStitch Endoscopic Suturing System) through:

• Comparison of Technological Characteristics: Showing similarities in intended use, indications for use, principle of operation, materials, and design.
• Performance Data: Primarily bench testing (dimensional verification, functionality, destructive testing, side-by-side comparison with predicate, usability, packaging, shelf-life), biocompatibility, MRI safety, and an animal (swine) survival study.

There is no mention of an algorithm or AI model, nor any associated acceptance criteria, ground truth establishment, or statistical performance metrics typically associated with AI/SaMD.

Therefore, I cannot provide the requested information regarding acceptance criteria and study proof in the context of an AI/SaMD for this document.

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