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A-CIFT™ SoloFuse™ is intended for stand-alone use for intervertebral body fusion of the spine of skeletally mature patients, using autogenous bone graft to facilitate fusion. The A-CIFT™ SoloFuse™ system must be used with the internal bone screws for fixation. The device is indicated for use in patients with degenerative disc disease (DDD) of the cervical spine at one level from the C2-C3 disc to the C7-T1 disc. These DDD patients may also have up to Grade I spondylolisthesis or retrolisthesis at the involved level(s).

Degenerative Disc Disease is defined as discogenic pain with degeneration of the disc confirmed by a history and radiographic studies. These patients should be skeletally mature and have had six (6) weeks of non-operative treatment prior to the treatment with an intervertebral spacer.

The A-CIFT™ SoloFuse™ consists of a PEEK spacer with titanium bone screws for intervertebral body fusion. Fixation is achieved by inserting bone screws through the openings in the spacer into the vertebral bodies of the cervical spine. System is provided non-sterile with instructions for sterilization. The lordotic and non-lordotic PEEK spacers are provided in heights of 5mm to 12mm with a width of 17mm and depths of 13.5mm and 14mm. The lag and rigid screws are offered in diameters 4.2mm and 4.5mm and lengths of 12mm to 16mm.

The provided text does not contain information about acceptance criteria or a study that proves the device meets those criteria. This document is a 510(k) premarket notification for a medical device (A-CIFT™ SoloFuse™ Intervertebral Body Fusion Device), which focuses on demonstrating substantial equivalence to a predicate device rather than presenting performance acceptance criteria and a study to meet them.

Specifically, the document states:

• "No performance testing is being included as part of this submission." This explicitly indicates that no performance data or studies are presented.
• The entire submission is for the purpose of including "additional surgical instruments with an optional freehand surgical technique" for an already cleared device, not for proving new performance criteria.

Therefore, I cannot provide the requested information based on the given text.

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