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The Proximity Anterior Cervical Plate System is intended for anterior screw fixation to the cervical spine (C2-T1) for the following indications: degenerative disc disease (as defined by neck pain of discogenic origin with degeneration of the disc confirmed by patient history and radiographic studies), trauma (including fractures), tumors, deformity (kyphosis, lordosis or scoliosis), pseudarthrosis, failed previous fusions, spondylolisthesis, and spinal stenosis.

The Segmental Plating System (SPS) is intended for anterior screw fixation to the cervical spine (C2-T1) for the following indications: degenerative disc disease (as defined by neck pain of discogenic origin with degeneration of the disc confirmed by patient history and radiographic studies), trauma (including fractures), tumors, deformity (kyphosis, lordosis or scoliosis), pseudarthrosis, failed previous fusions, spondylolisthesis, and spinal stenosis.

The subject Alphatec Plating Systems consists of two anterior cervical plate subsystems, Proximity Anterior Cervical Plate System and Segmental Plating System, intended for anterior fixation to the cervical spine. The Alphatec Plating Systems consist of a variety of sizes of plates and screws that are manufactured from titanium alloy conforming to ASTM F136. The systems offer instrumentation for the delivery of the plate and screw constructs. The instruments in this system are intended for use in surgical procedures. The Alphatec Plating Systems implants are provided either terminally sterile or non-sterile to be steam sterilized by the end user.

I apologize, but the provided text from the FDA 510(k) clearance letter for the Alphatec Spine Proximity™ Anterior Cervical Plate System does not contain any information regarding acceptance criteria or a study that proves the device meets those criteria for software-based AI/ML devices.

The document details:

• Device Type: Spinal Intervertebral Body Fixation Orthosis (a physical implantable device, not a software/AI device).
• Regulations: Primarily related to medical devices, specifically orthopedic implants.
• Performance Data: Lists non-clinical (mechanical) testing based on ASTM standards (e.g., Static and Dynamic Compression Bending, Static Screw Push-out) and sterilization/packaging validations.
• Substantial Equivalence: Compares the mechanical design and indications for use of the Proximity™ system to predicate physical spinal fixation devices.

Therefore, I cannot extract the information required by your prompts (acceptance criteria table, sample sizes for AI test/training sets, expert ground truth establishment, MRMC studies, standalone performance, etc.) because these concepts are not applicable to the type of device described in this 510(k) clearance letter. The letter pertains to a traditional, physical Class II medical device, not a software-based or AI/ML-driven diagnostic or therapeutic tool.

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Segmental Plating System (SPS)

The Segmental Plating System (SPS) is intended for anterior screw fixation to the cervical spine (C2-T1) for the following indications: degenerative disc disease (as defined by neck pain of discogenic origin with degeneration of the disc confirmed by patient history and radiographic studies), trauma (including fractures), tumors, deformity (kyphosis or scoliosis), pseudarthrosis, failed previous fusions, spondylolisthesis, and spinal stenosis.

IdentiTi SPS Interbody System

The IdentiTi SPS 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, myelopathy, and/or pain at multiple contiguous levels from C2-T1. The IdentiTi SPS Interbody System is intended for use with supplemental fixation systems. The system is designed for use with autograft, allograft comprised of cortical, cancellous, and/or corticocancellous bone graft, demineralized allograft with bone marrow aspirate, or a combination thereof.

IdentiTi NanoTec SPS Interbody System

The IdentiTi SPS 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, and/or pain at multiple contiguous levels from C2-T1. The IdentiTi NanoTec SPS Interbody System is intended for use with supplemental fixation systems. The system is designed for use with autograft, allograft comprised of cortical, cancellous, and/or corticocancellous bone graft, demineralized allograft with bone marrow aspirate, or a combination thereof.

Transcend SPS Interbody System

The Transcend SPS Interbody System 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, and/ or pain at multiple contiguous levels from C2-T1. The Transcend SPS 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.

Transcend NanoTec SPS Interbody System

The Transcend SPS 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, and/or pain at multiple contiguous levels from C2-T1. The Transcend NanoTec SPS Interbody System is intended for use with supplemental fixation systems. The system is designed for use with autograft, allograft comprised of cortical, cancellous and/or corticocancellous bone graft, demineralized allograft with bone marrow aspirate, or a combination thereof.

The Segmental Plating System (SPS) is intended for anterior fixation to the cervical spine. The Segmental Plating System (SPS) consists of a variety of sizes of 2 - 4 holes plates and 3.5 mm and 4.0 mm screws that are manufactured from titanium alloy conforming to ASTM F136 and are offered non-sterile. The plate includes a screw anti-backout mechanism. The system will offer instrumentation for the delivery of the plate and screw construct. The instruments in this system are intended for use in surgical procedures. The plate system implants are provided non-sterile to be steam sterilized by the end user.

The IdentiTi and Transcend SPS 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, commercially pure titanium (CP Ti Grade 2) per ASTM F67, and an optional hydroxyapatite nano (HAMM) surface treatment. The subject system 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 subject IdentiTi and Transcend NanoTec SPS Interbody Systems interbody implant surfaces have been treated with a 20-40 nanometer thin hydroxyapatite (HA) surface treatment. The surface treatment presents a nano-scale topography on the entirety of the implant surface. in addition to macro-/micro-scale topography existing from prior to HA man treatment. The interbody spacers are provided individually packaged and sterile.

The provided text is a 510(k) summary for a medical device (Alphatec Spine Inc.'s Segmental Plating System and Interbody Systems). It discusses regulatory clearance based on substantial equivalence to predicate devices, outlines the device's description, indications for use, and a technological comparison. It also lists performance data from non-clinical testing.

However, the provided text does not contain information about acceptance criteria for an AI/ML medical device, nor does it describe a study involving a test set, ground truth determination, expert consensus, or human-in-the-loop performance evaluation. The document primarily focuses on the mechanical and material aspects of spinal implants and their equivalence to existing devices, with performance data relating to mechanical testing standards (e.g., ASTM F2077, F2267, F1717).

Therefore, I cannot fulfill the request to describe the acceptance criteria and the study that proves the device meets them based on the provided text, as this information is not present. The device in question is a physical implant, not an AI/ML-based diagnostic or therapeutic device.

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