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The Endoskeleton® TCS Interbody Fusion Device is an anterior cervical intervertebral body fusion device indicated for use in skeletally mature patients with degenerative disc disease (DDD) (defined as pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies) at one disc level from C2 to T1. Patients should have received 6 weeks of non-operative treatment with the device. The device is indicated to be used with autograft bone or allograft bone comprised of cancellous bone. The device is a stand-alone system when used with Endoskeleton® TCS Interbody Fusion Device integrated screws and when used without the integrated screws it requires additional supplemental fixation cleared for the cervical spine.

The Endoskeleton® TCS Interbody Fusion Device (IBD) implants are available in a variety of sizes with a variety of lordotic angles, to accommodate patient anatomy. Endoskeleton® TCS IBD implants are intended for treatment in Cervical Interbody Fusion used in single placement treatment placed across the disc space, and are designed with a large hollow region in the center to house bone graft material. The superior and inferior surfaces have been acid etched through a previously cleared process called nanoLOCK™ (MMN™) to improve fixation to the adjacent bone.

The purpose of this special 510(k) submission is to add a plate to the Endoskeleton® TCS System. The ENDOSKELETON® TCS Plate Device (Plate) is compatible with the ENDOSKELETON® TCS Interbody Fusion Device product family. The design incorporates a locking screw to secure the Interbody Fusion Device and is engaged after the placed on the anterior face of the ENDOSKELETON® TCS Interbody Fusion Device to resist the integrated screws from backing out. The system includes a holding feature on the Plate to mate with the inserter to facilitate placement onto the ENDOSKELETON® TCS Interbody Fusion Device implant. Use of this plate is an enhancement to the existing Endoskeleton® TCS system and, as such, is optional with the Endoskeleton® TCS Interbody Fusion Device and does not qualify as supplemental fixation. The subject plate does not include nanoLOCK® (MMN™) surface treatment, as it does not interface with the bone.

The construct is a stand-alone system when used with Endoskeleton® TCS integrated screws and when used without the integrated screws it requires additional supplemental fixation cleared in the cervical spine.

All implantable components are manufactured from medical grade titanium alloy (Ti-6Al-4V-EL)) and may be provided either sterile. The subject Endoskeleton® TCS Plate is only provided sterile by gamma irradiation.

I am sorry, but based on the provided text, there is no information about acceptance criteria, device performance in relation to those criteria, or details regarding a study that proves the device meets specific acceptance criteria.

The document is a 510(k) premarket notification summary for the Endoskeleton® TCS Interbody Fusion Device. It focuses on demonstrating substantial equivalence to previously cleared predicate devices for regulatory clearance, rather than presenting a detailed study evaluating specific performance metrics against pre-defined acceptance criteria.

The "Performance Testing" section states: "Performance bench testing, including locking plate resistance to screw push-out and retention force of the plate holder, was performed to demonstrate substantial equivalence." However, it does not provide:

• A table of acceptance criteria and reported device performance.
• Details about sample sizes, data provenance, or ground truth establishment.
• Information about expert involvement or adjudication methods.
• Any mention of a multi-reader multi-case (MRMC) study or standalone algorithm performance, as this device is a physical interbody fusion device, not an AI or imaging device.

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