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E3D™ C Interbody System includes interbody fusion devices indicated at one or more levels of the cervical spine (C2-T1) in patients with cervical degenerative disc disease (DD), instability, trauma including fractures, deformity defined as kyphosis, or scoliosis, cervical spondy lotic myelopathy, spinal stenosis, and failed previous fusion. Cervical disc disease is defined as intractable radiculopathy and/or myelopathy with herniated disc and/or osterior vertebral endplates producing symptomatic nerve root and/or spinal confirmed by radiographic studies. These patients should be skeletally mature and have had at least six (6) weeks of non-operative treatment. These devices are to be filled with autograft bone and/or allogenic bone graft composed of cancellous, cortical, and/or corticocancellous bone.

E3D™ C Static Interbodies are intended to be used with supplemental fixation (e.g. cervical posterior fixation).

E3D™ C Integrated Interbodies are intended to be used with screws or anchors. When used with two screws, these devices are stand-alone interbody fusion devices. When anchors, or without screws, these devices are intended to be used with supplemental fixation (e.g. cervical plates or cervical posterior fixation).

The E3D™-C Interbody System provides interbody fusion devices designed to provide structural stability during spinal fusion. The E3D™-C Interbody System consists of Interbodies offered in various sizes to accommodate surgical needs and anatomic requirements. The E3D™-C Interbodies were designed to be placed via an anterior approach. All Interbodies in the system are additively manufactured from titanium alloy powder, per ASTM F3001. The System offers both Static and Integrated Interbodies. The Integrated version is to be used in conjunction with two (2) screws that are subtractively manufactured from titanium alloy, per ASTM F136 or two (2) anchors that are additively manufactured from titanium alloy powder, per ASTM F3001.

Integrated Interbodies were designed to accept two bone screws or anchors which are used to fixate into the adjacent vertebral bodies. When appropriate, the Integrated Interbodies may be used as a standalone system when used with screws. The Titanium Alloy (Ti-6Al-4V ELI) Interbodies are manufactured using an additive Direct Metal Laser Sintering (DMLS) 3D-printing process which enables the creation of the system's double lattice architecture. The double lattice architecture was designed to encourage bone growth on and through the cage. The Integrated Interbody has two screw holes as well as an integral cam locking mechanism to prevent screw back-out.

The E3D™-C Interbody System's implants are available with and without HA"® Surface®, a 20-40 nanometer thin hydroxyapatite (HA) surface treatment. The surface treatment presents nano-scale topography on the entirety of the implant surface.

This document is a 510(k) clearance letter and summary for a medical device called the E3D™-C Interbody System. It focuses on demonstrating substantial equivalence to previously cleared predicate devices, rather than establishing acceptance criteria or proving device performance through a clinical study with human readers or AI.

Therefore, the requested information regarding acceptance criteria, reported device performance, sample sizes, expert qualifications, adjudication methods, MRMC studies, standalone performance, ground truth types, and training set details cannot be extracted from this document because it is not a study report relevant to AI/CADe applications.

The "Performance Data" section solely refers to mechanical testing (static compression, static torsion, dynamic compression, dynamic shear, dynamic torsion per ASTM F2077; wear debris analysis per ASTM F1877; expulsion and subsidence per ASTM F2267) to ensure the physical device meets safety and performance standards for an intervertebral body fusion device. This is distinct from the type of performance data typically associated with AI/CADe devices, which would involve diagnostic accuracy metrics on image datasets.

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