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Ventana™ L intervertebral body fusion devices are intended for spinal fusion procedures at one or two contiguous levels (L2-S1) in skeletally mature patients with degenerative disc disease (DDD). DDD is defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies. DDD patients may also have up to Grade 1 spondylolisthesis or retrolisthesis at the involved levels. These patients may have had a previous non-fusion spinal surgery at the involved spinal level(s).

These devices are intended to be used with supplemental spinal fixation systems that have been cleared for use in the lumbosacral spine (i.e., posterior pedicle screw and rod systems, anterior plate systems, and anterior screw and rod systems).

This device is intended to be used with autograft or allogenic bone graft comprised of cancellous and/or corticocancellous bone graft. Patients must have undergone a regimen of at least six (6) months' non-operative treatment prior to being treated with this device.

The subject devices are intervertebral body fusion devices for use in lumbar spinal surgery. They may also be referred to as interbody fusion devices or interbody cages. The devices are generally box-shaped with various holes throughout their design to allow for the placement of autograft or allogenic bone graft. They include a lid which further facilitates installation of bone graft and which is shut prior to implantation. The exterior of the devices has "teeth" or other generally sharp engagement members on the superior and inferior surfaces to help prevent the devices from migrating once they are implanted.

The devices submitted herein are additively manufactured from titanium alloy (Ti-6Al-4V ELI) conforming to ASTM F3001.

The provided text describes the Ventana™ L Spinal System, an intervertebral body fusion device. However, it does not contain information about acceptance criteria for an AI/ML powered device, nor does it detail a study proving such a device meets acceptance criteria. The text focuses on the substantial equivalence of the Ventana™ L Spinal System to predicate devices based on design, indications for use, and mechanical performance testing (e.g., static and dynamic compression, shear, and subsidence tests).

Therefore, I cannot provide the requested information regarding acceptance criteria and study details for an AI/ML device based on the given input.

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