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The Medyssey Co. Ltd. Zenius, Iliad and Kora Spinal Systems are intended for posterior, noncervical pedicle fixation as an adjunct to fusion in skeletally mature patients using autograff and/or allograft for the following indications: degenerative disc disease (DDD) (defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies); spondylolisthesis; trauma (i.e., fracture or dislocation); spinal stenosis; curvatures (i.e., scoliosis, kyphosis, and/or lordosis); tumor; pseudoarthrosis; and failed previous fusion.

The Medyssey Co. Ltd., Cannulated Pedicle Screws are intended to be used with their respective (e.g. Zenius) top-loading posterior spinal fixation system which consists of pedicle screws, rods, set screws, and a transverse (cross) linking mechanism. The Medyssey Co. Ltd., Cannulated Pedicle Screw implant components are fabricated from titanium alloy (Ti-6AI-4V ELI) that conforms to ASTM F 136. Various sizes of these implants are available. The Medyssey Co. Ltd., Cannulated Pedicle Screws can be used in the posterior plane providing unilateral and bilateral modes of fixation. The Medyssey Co. Ltd., Cannulated Pedicle Screw Spinal design allows adjustment in both the sagittal and coronal planes permitting screw placement according to the best possible anatomic (spinal) location and orientation. This is accomplished by means of a mobile and non-mobile housing component which houses the screw and the rod which accepts a setscrew which tightens against the rod which tightens head of the pedicle screw upon secure tightening interface of the set screw assembly with the rod. The Cobalt Chrome Rods are for use with the Zenius or Iliad System. Specialized instruments made from surgical instrument grade stainless steel are available for the application and removal of the Medyssey Co. Ltd. Cannulated Pedicle Screw implants.

The C7 Anterior Cervical Intervertebral Fusion Cages are indicated for use in skeletally mature patients with degenerative disc disease (DDD) of the cervical spine with accompanying radicular symptoms at one disc level (C2-T1). DDD is defined as discogenic pain with degeneration of the disc confirmed by patient history and radiographic studies. C7 Anterior Cervical Intervertebral Fusion Cages are used to facilitate intervertebral body fusion in the cervical spine and are placed via an anterior approach and packed with autogenous bone. C7 Anterior Cervical Intervertebral Fusion Cages are to be used with supplemental fixation. Patients should have at least six (6) weeks of non-operative treatment prior to treatment with an intervertebral cage.

The Medyssey C7 Anterior Cervical Interbody Fusion Cage system consists of a series of PEEK (polyetheretherketone) cervical interbody spacers of various footprints and thicknesses. The C7 ACIF cages have ridges on their superior and inferior surfaces to prevent migration, and graft windows to allow for bony fusion. Tantalum markers are incorporated into the devices to allow for radiographic visualization of the implants.

The LT Cage System is indicated for use in skeletally mature patients with Degenerative Disc Disease (DDD) at one or two contiguous levels from L2-S1. DDD is defined as discogenic back pain with degeneration of the disc confirmed by patient history and radiographic studies. Patients should have received 6 months of non-operative treatment prior to treatment with the devices. The device must be used with supplemental fixation. These DDD patients may also have up to Grade I spondylolisthesis or retrolisthesis at the involved level(s). It is indicated to be used with autograft bone.

The Medyssey LT Cage System consists of cages of various widths and heights, which can be inserted between two lumbar or lumbrosacral vertebral bodies to give support and correction during lumbar interbody fusion surgeries. The hollow geometry of the implants allows them to be packed with autogenous bone graft. The Medyssey LT Cage System is to be used with supplemental fixation. The device is offered in 64 sizes, with heights ranging from 8 - 15mm, lengths from 25 - 32mm and a width of 11mm. They are also available with 0°, 4° and 8° lordosis. The devices are manufactured from titanium alloy (Ti-6Al-4V) meeting ASTM F136 and are supplied non-sterile. The purpose of this submission is to provide a device that is manufactured from titanium alloy, which is similar to the PEEK device currently available from Medyssey Co. Ltd.

The Novel III Spinal System is a pedicle screw system indicated for the treatment of severe Spondylolisthesis (Grade 3 and 4) of the L5-S 1 vertebra in skeletally mature patients receiving fusion by autogenous bone graft having implants attached to the lumbar and sacral spine (L3 to sacrum) with removal of the implants after the attainment of a solid fusion. In addition, the Novel Spinal System is intended to provide immobilization and stabilization of spinal segments in skeletally mature patients as an adjunct to fusion in the treatment of the following acute and chronic instabilities or deformities of the thoracic lumbar and sacral spine: degenerative Spondylolisthesis with objective evidence of neurological impairment, fracture, dislocation, scoliosis, kyphosis, spinal tumor and failed previous fusion (pseudarthrosis).

The Novel ///TM Spinal Fixation and Adjustable Bridge System is a top-loading posterior spinal fixation system which consists of pedicle screws, rods, set screws, and a transverse (cross) linking mechanism. The Novel /// ™ Spinal Fixation and Adjustable Bridge System implant components are fabricated from titanium allov (Ti-6Al-4V ELI) that conforms to ASTM F 136. Various sizes of these implants are available. Specialized instruments made from surgical instrument grade stainless steel are available for the application and removal of the Novel ////™ Spinal Fixation and Adjustable Bridge System implants.

The Medyssey Co. Ltd., Zenius™ Spinal System, a posterior spinal fixation device, indicated for skeletally mature patients receiving fusion by autogenous bone graft with removal of the implants after the attainment of a solid fusion and is intended to provide immobilization and stabilization of spinal segments as an adjunct to fusion in the treatment of the following acute and chronic instabilities or deformities of the thoracic, lumbar, and sacral spine: severe spondylolisthesis (grades 3 and 4) of the L5-S1 vertebra; degenerative spondylolisthesis with objective evidence of neurologic impairment; fracture; dislocation; scoliosis; kyphosis; spinal tumor; and failed previous fusion (pseudarthrosis).

The Zenius 146 Spinal System is a top-loading posterior spinal fixation system which consists of pedicle screws, rods, set screws, and a transverse (cross) linking mechanism. The Zenius ™ Spinal System implant components are fabricated from titanium alloy (Ti-6AI-4V ELI) that conforms to ASTM F 136. Various sizes of these implants are available. Specialized instruments made from surgical instrument grade stainless steel are available for the application and removal of the Zenius "" Spinal System implants.

The LP Cage® is indicated for use in skeletally mature patients with Degenerative Disc Disease (DDD) at one or two contiguous levels from L2-S1. DDD is defined as discogenic back pain with degeneration of the disc confirmed by patient history and radiographic studies. Patients should have received 6 months of non-operative treatment prior to treatment with the devices. The device must be used with supplemental fixation. These DDD patients may also have up to Grade I spondylolisthesis or retrolisthesis at the involved level(s). It is indicated to be used with autograft bone.

The LP Cage is comprised of a variety of implant sizes to accommodate various patients' anatomy and pathology, and associated instrumentation. All implantable components are manufactured from PEEK Optima LT1 and medical grade titanium alloy (Ti6Al4V-ELI).

The Medyssey Co. Ltd., Zenius™ Spinal System, a posterior spinal fixation device, indicated for skeletally mature patients receiving fusion by autogenous bone graft with removal of the implants after the attainment of a solid fusion and is intended to provide immobilization and stabilization of spinal segments as an adjunct to fusion in the treatment of the following acute and chronic instabilities or deformities of the thoracic, lumbar, and sacral spine: severe spondylolisthesis (grades 3 and 4) of the L5-S1 vertebra; degenerative spondylolisthesis with objective evidence of neurologic impairment; fracture; dislocation; scoliosis; kyphosis; spinal tumor; and failed previous fusion (pseudarthrosis).

The Zenius "M Spinal System is a top-loading posterior spinal fixation system which consists of pedicle screws, rods, set screws, and a transverse (cross) linking mechanism. The Zenius ™ Spinal System implant components are fabricated from titanium alloy (Ti-6AI-4V ELI) that conforms to ASTM F 136. Various sizes of these implants are available. Specialized instruments made from surgical instrument grade stainless steel are available for the application and removal of the Zenius™ Spinal System implants.

The Novel III Spinal System is a pedicle screw system indicated for the treatment of severe Spondylolisthesis (Grade 3 and 4) of the L5-S 1 vertebra in skeletally mature patients receiving fusion by autogenous bone graft having implants attached to the lumbar and sacral spine (L3 to sacrum) with removal of the implants after the attainment of a solid fusion. In addition, the Novel Spinal System is intended to provide immobilization and stabilization of spinal segments in skeletally mature patients as an adjunct to fusion in the treatment of the following acute and chronic instabilities or deformities of the thoracic lumbar and sacral spine: degenerative Spondylolisthesis with objective evidence of neurological impairment, fracture, dislocation, scoliosis, kyphosis, spinal tumor and failed previous fusion (pseudarthrosis).

The Novel ///™ Spinal Fixation and Adjustable Bridge System is a top-loading posterior spinal fixation system which consists of pedicle screws, rods, set screws, and a transverse (cross) linking mechanism. The Novel III TM Spinal Fixation and Adjustable Bridge System implant components are fabricated from titanium alloy (Ti-6AI-4V ELI) that conforms to ASTM F 136. Various sizes of these implants are available. Specialized instruments made from surgical instrument grade stainless steel are available for the application and removal of the Novel ///™ Spinal Fixation and Adjustable Bridge System implants.

The Medyssey Co. Ltd., Zenius™ Spinal System, a posterior spinal fixation device, indicated for skeletally mature patients receiving fusion by autogenous bone graft with removal of the implants after the attainment of a solid fusion and is intended to provide immobilization and stabilization of spinal segments as an adjunct to fusion in the treatment of the following acute and chronic instabilities or deformities of the thoracic, lumbar, and sacral spine: severe spondylolisthesis (grades 3 and 4) of the L5-S1 vertebra; degenerative spondylolisthesis with objective evidence of neurologic impairment; fracture; dislocation; scoliosis; kyphosis; spinal tumor; and failed previous fusion (pseudarthrosis).

The Medyssey Co. Ltd., Zenius ™ Spinal System is a top-loading posterior spinal fixation system which consists of pedicle screws, rods, set screws, and a transverse (cross) linking mechanism. The Medyssey Co. Ltd., Zenius ™ Spinal System implant components are fabricated from titanium alloy (Ti-6AI-4V ELI) that conforms to ASTM F 136. Various sizes of these implants are available. Specialized instruments made from surgical instrument grade stainless steel are available for the application and removal of the Medyssey Co. Ltd., Zenius ™ Spinal System implants.

The Novel Spinal System is a pedicle screw system indicated for the treatment of severe Spondylolisthesis (Grade 3 and 4) of the L5-S1 vertebra in skeletally mature patients receiving fusion by autogenous bone graft having implants attached to the fumbar and sacral spine (L3 to sacrum) with removal of the implants after the attainment of a solid fusion. In addition, the Novel Spinal System is intended to provide immobilization and stabilization of spinal segments in skeletally mature patients as an adjunct to fusion in the treatment of the following acute and chronic instabilities or deformities of the thoracic lumbar and sacral spine: degenerative Spondylolisthesis with objective evidence of neurological impairment, fracture, dislocation, scoliosis, kyphosis, spinal tumor and failed previous fusion (pseudarthrosis).

Novel Spinal System, internal frxation device for spinal surgery comprise rods, pedicle screws, cross link as well as set screw. Various forms and sizes of these implants are available, so that adaptations can always be made to take into account the pathology and individual patient.