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The IdentiTi Cervical Porous Ti Interbody System is an anterior cervical interbody fusion system intended for spinal fusion procedures in skeletally mature patients with cervical disc degeneration and/or cervical spinal instability, as confirmed by imaging studies (radiographs, CT, MRI), that results in radiculopathy, and/or pain at multiple contiguous levels from C2-T1. The IdentiTi Cervical Porous Ti Interbody System is intended for use with supplemental fixation systems. The system is designed for use with autograft comprised of cortical, cancellous, and/or corticocancellous bone graft, demineralized allograft with bone marrow aspirate, or a combination thereof.

The IdentiTi Cervical Interbody System with advanced NanoTec surface treatment is an anterior cervical interbody fusion system intended for spinal fusion procedures in skeletally mature patients with cervical disc degeneration and/or cervical spinal instability, as confirmed by imaging studies (radiographs, CT, MRI), that results in radiculopathy, myelopathy, and/ or pain at multiple contiguous levels from C2-T1. The IdentiTi NanoTec Cervical Interbody System is intended for use with supplemental fixation systems. The system is designed for use with autograft comprised of cortical, cancellous, and/or corticocancellous bone graft, demineralized allograft with bone marrow aspirate, or a combination thereof.

The Transcend Cervical PEEK Interbody System is an anterior cervical interbody fusion system intended for use in skeletally mature patients with cervical disc degeneration and/or cervical instability, as confirmed by imaging studies (radiographs, CT, MRI), that results in radiculopathy, and/or pain at multiple contiguous levels from C2-T1. The Transcend Cervical PEEK Interbody System is intended for use with supplemental fixation systems. The system is designed for use with autograft, allograft comprised of cortical, cancellous bone graft, demineralized allograft with bone marrow aspirate, or a combination thereof.

The Transcend Cervical PEEK Interbody System with advanced NanoTec surface treatment is an anterior cervical interbody fusion system intended for use in skeletally mature patients with cervical disc degeneration and/or cervical spinal instability, as confirmed by imaging studies (radiographs, CT, MRI), that results in radiculopathy, myelopathy, and/ or pain at multiple contiguous levels from C2-T1. The Transcend NanoTec Cervical Interbody System is intended for use with supplemental fixation systems. The system is designed for use with autograft comprised of cortical, cancellous and/or corticocancellous bone graft, demineralized allograft with bone marrow aspirate, or a combination thereof.

The IdentiTi Cervical Standalone Interbody System is a stand-alone anterior cervical interbody fusion system intended for use in skeletally mature patients for the treatment of cervical spinal instability, as confirmed by imaging studies (radiographs, CT, MRI), that results in radiculopathy, and/or pain at multiple contiguous levels from C2-T1. The IdentiTi Cervical Standalone Interbody System is intended to be used with autograft, allograft comprised of cortical, cancellous, and/or cortico-cancellous bone graft, demineralized allograft with bone marrow aspirate, or a combination thereof.

The IdentiTi Cervical Standalone Interbody System with advanced NanoTec surface treatment is a stand-alone anterior cervical interbody fusion system intended for use in skeletally mature patients for the treatment of cervical degeneration and/or cervical spinal instability, as confirmed by imaging studies (radiographs, CT, MRI), that results in radioulopathy, myelopathy, and/or pain at multiple contiguous levels from C2-T1. The IdentiTi NanoTec Cervical Standalone Interbody System is intended to be used with autograft, allograft comprised of cortical, cancellous, and/or cortico-cancellous bone graft, demineralized allograft with bone marrow aspirate, or a combination thereof.

The IdentiTi and Transcend Interbody Systems are cervical intervertebral body fusion systems designed to be inserted through anterior surgical approaches. The interbody spacers are manufactured from PEEK (polyetheretherketone) Optima LT1 per ASTM F2026, tantalum per ASTM F560, titanium alloy (Ti-6A1-4V ELI), and commercially pure titanium (CPTi Grade 2) per ASTM F67. The interbody spacers are available in the following material options: (1) PEEK (polyetheretherketone) with tantalum and titanium alloy markers, or (2) commercially pure porous titanium (PTi), or (3) a combination of commercially pure porous titanium (CPTi Grade 2) per ASTM F67 and titanium alloy (Ti-6Al-4V ELI) per ASTM F136.

The subject IdentiTi and Transcend Interbody Systems implants consist of various lengths, widths, heights and lordotic options to accommodate individual patient anatomy. To mitigate risk of expulsion, the interbody endplates feature teeth. All interbody spacers feature an internal graft aperture for placement of graft material to promote fusion through the cage. Additionally, the IdentiTi implants are offered with a microstructure due to the layering of material that forms the porous architecture. This porous geometry extends to the superior and inferior surfaces of the device for implant fixation.

The IdentiTi and Transcend NanoTec Interbody Systems implant surfaces have been treated with a 20-40 nanometer thin hydroxyapatite (HA) surface treatment. The surface treatment presents nano-scale topography on the entirety of the implant surface, in addition to macro-/micro-scale topography existing from prior to treatment.

The document provided is a 510(k) Pre-Market Notification for the Alphatec Spine Inc. IdentiTi™ and Transcend™ Interbody Systems. This submission aims to demonstrate substantial equivalence to legally marketed predicate devices, rather than proving that a device meets specific acceptance criteria through a study with performance metrics.

The document does not contain the kind of detailed information about acceptance criteria and study results (like sample sizes, ground truth establishment, expert qualifications, or MRMC studies) that you requested for an AI/ML medical device. Instead, it focuses on non-clinical testing for mechanical properties and material characteristics of an implantable medical device.

Therefore, I cannot fulfill your request for a table of acceptance criteria, reported device performance, sample sizes for test/training sets, expert information, adjudication methods, or MRMC study details from this document. The document explicitly states: "Not applicable; determination of substantial equivalence is not based on an assessment of clinical performance data." and "no further clinical or non-clinical testing is required to support the expanded indications for use of the subject systems."

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