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The Medyssey Co, Ltd. Zenius™ Spinal System is intended for posterior, noncervical pedicle fixation as an adjunct to fusion in skeletally mature patients using autograft 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 Zenius™ System, Internal Fixation Device for Spinal Surgery is comprised of: rods, pedicle screw assemblies, compression retaining assemblies, set screws and transverse-link assemblies. Various forms and sizes of these implants are available so that adaptations can be utilized to account for the unique pathology of individual patients. Subject screws are manufactured from Ti6Al4V ELI per ASTM F136.

The Athena III Cervical Plate System is intended for anterior interbody screw fixation of the cervical spine. The system is indicated for use in the temporary stabilization of the anterior spine during the development of a solid spinal fusion in patients with 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 (defined as kyphosis, lordosis, or scoliosis), pseudoarthrosis, and/or failed previous fusions. The Athena III Cervical Plate System can be implanted in the sub-axial cervical spine from C3 through C7 levels.

The Athena III Cervical Plate System is an anterior cervical plating system offered pre-lordosed with large graft visibility windows intended for anterior screw fixation to the cervical spine. The components of the Athena III Cervical Plate System are manufactured from titanium alloy (Ti-6AI-V), as per ASTM F136. The system consists of a variety of shapes and sizes of bone plates and screws. Implant components are anodized per AMS 2487A.

The Medussa-PL 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 Medussa-PL Cage is an interbody fusion device utilized to facilitate the fusion process in the lumbar spine. The Medussa-PL Cage is additively manufactured from Titanium Alloy (Ti-6Al-4V) according to the ASTM F3001 and is available in a range of sizes to accommodate different patient anatomies, and pathologies.

The Medussa-PL 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 1 spondylolisthesis or retrolisthesis at the involved level(s). It is indicated to be used with autograft bone.

The Medyssey, Medussa-PL Cage is an interbody fusion device utilized to facilitate the fusion process in the lumbar spine. The cage is additively manufactured from titanium alloy (ASTM F136 and ASTM F3001) and is available in a range of sizes to accommodate different patient anatomies and pathologies.

The Triton Cage is indicated for use with bone graft (autograft bone graft composed of cancellous and or corticocancellous bone graft) in patients with degenerative disc disease (DDD) at one or two contiguous levels from L2 to S1. These DDD patients may also have up to Grade I spondylolisthesis at the involved levels. DDD is defined as discogenic back pain with degeneration of the disc confirmed by history and radios. Patients with previous non-fusion spinal surgery at the treated. These patients should be sketally mature and have had six months of non-operative treatment. These devices are intended for intervertebral body fusion and are intended to be used with supplemental fixation that has been cleared by the FDA for use in the lumbar spine.

The Medyssey, Triton Cage is an interbody fusion device utilized to achieve fusion in the lumbar spine. The cage is manufactured from PEEK (ASTM F2026) and additively manufactured titanium alloy (ASTM F136) available in three variants (LLIF, ALIF, OLIF) and a range of sizes to accommodate different surgical approaches and anatomies.

The Athena II Cervical Plate System is intended for anterior interbody screw fixation of the cervical spine. The system is indicated for use in the temporary stabilization of the anterior spine during the development of a solid spinal fusion in patients with 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 (defined as kyphosis, or scoliosis), pseudoarthrosis, and/or failed previous fusions. The Athena II Cervical Plate System can be implanted in the sub-axial cervical spine from C3 through C7 levels.

The Athena II Cervical Plate System is an anterior cervical plating system offered pre-lordosed with large graft visibility windows intended for anterior screw fixation to the cervical spine. The components of the Athena II Cervical Plate System are manufactured from titanium alloy (Ti-6Al-4V) as described in ASTM F136. The Athena II Cervical Plate System consists of a variety of shapes and sizes of bone plates and screws. Implant components are anodized per AMS 2487A.

The Medyssey Co, Ltd. Zenius™, Iliad™ and Kora™ Spinal Fixation Systems are intended for posterior, noncervical pedicle fixation as an adjunct to fusion in skeletally mature patients using autograft 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); tumor; pseudoarthrosis; and failed previous fusion.

The Zenius™ Spinal System, Internal Fixation Device for Spinal Surgery is comprised of: Rods, Pedicle Screw Assemblies, Compression Retaining Assemblies, and Transverse-Link Assemblies. Various forms and sizes of these implants are available so that adaptations can be utilized to account for the unique pathology of individual patients. The Iliad™ Spinal Fixation and Adjustable Bridge System, Internal Fixation Device for Spinal Surgery is comprised of: Rods, Pedicle Screw Assemblies, Compression Retaining Assemblies, and Transverse-Link Assemblies. Various forms and sizes of these implants are available so that adaptations can be utilized to take into account the unique pathology of individual patients. The Kora™ Spinal Fixation and Adjustable Bridge System, Internal Fixation Device for Spinal Surgery is comprised of: Rods, Pedicle Screw Assemblies, Compression Retaining Assemblies, and Transverse-Link Assemblies. Various forms and sizes of these implants are available so that adaptations can be utilized to take into account the unique pathology of individual patients. The subject of this 510(k) is the addition of Z-Rods to the spinal systems.

The Athena Cervical Plate System is intended for anterior interbody screw fixation of the cervical spine. The system is indicated for use in the temporary stabilization of the anterior spine during the development of a solid spinal fusion in patients with 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 (defined as kyphosis, lordosis, or scoliosis), pseudoarthrosis, and/or failed previous fusions. The Athena Cervical Plate System can be implanted in the sub-axial cervical spine from C3 through C7 levels.

The Medyssey Athena Cervical Plate System is designed to provide mechanical support while biologic fusion takes place. The system consists of multiple plate sizes and screws to accommodate various patients' anatomy. The plates are available in fixed and variable forms to allow for fixed attachment or implantation at variable angles.

The TAURUS PEEK Cages are 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 TAURUS PEEK Cage System consists of four different models of interbody fusion devices - TAURUS-P™ Cage, TAURUS-AL (ALIF) Cage, and TAURUS-DL Cage. TAURUS PEEK Cage System is intended for stabilization use and to promote bone fusion during the normal healing process following surgical correction of disorders of the spine. The devices consist of PEEK cages of various heights, widths, and lengths, which can be inserted across the disc space between two lumbar vertebral bodies to give support and correction during vertebral bod fusion surgeries. All models have serrations on the superior and inferior surfaces of the implants to aid in fixation. All models are designed with hollow regions in the center to house autograft bone graft material. The new bone formation through the implant is intended to provide long-term structural support and biologic fusion at the implanted disc space. Radiopaque tantalum markers have been embedded within the implants to allow for visualization in radiographic images. Associated instruments are available to facilitate the implantation of the devices. The PEEK material used in the subject interbody cages conforms to ASTM F2026 "Standard Specification for polyetheretherketone (PEEK) Polymers for Surgical Implant Applications" and the tantalum material used conforms to ASTM F560 "Standard Specification for Unalloyed Tantalum for Surgical Implant Applications".

The Varian cage is indicated for intervertebral body fusion of the lumbar spine, from L2 to S1, in skeletally mature patients who have had six months of non-operative treatment. The device is intended for use at either one level or two contiguous levels for the treatment of degenerative disc disease (DDD) with up to Grade I spondylolisthesis. DDD is defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies. Varian cage is designed to be implanted bi-laterally via a posterior (PLIF) approach. The device is intended for use with supplemental fixation and is intended for use with autograft to facilitate fusion.

The Medyssey Varian cage is an interbody fusion device utilized to achieve fusion in the lumbosacral spine. The system is made of titanium alloy and includes seven sizes, ranging from 9 mm to 15 mm in height and 24 mm or 27mm in length with 8° or 10° lordotic angle versions.