This cervical fusion device provides an excellent balance between porosity and strength. TM-S is the only cervical spinal implant made with Trabecular Metal Material. It offers a high coefficient of friction to help prevent device migration and expulsion, as well as a low modulus of elasticity that may improve load-sharing, which potentially minimizes stress-shielding. With its average porosity of up to 80% and a consistent open pore structure, the material is also designed to resemble the structure and mechanical properties of cancellous bone, which provides an excellent environment for boney in-growth and vascularization.
No other porous material so closely resembles the structure, function and physiology of trabecular bone.
Trabecular Metal Material is a highly porous structure with a nano-textured strut architecture that creates an initial scratch fit and facilitates the long-term biologic attachment of orthopaedic implants via the potential for bone ingrowth. Trabecular Metal Material is the most advanced fixation surface available for orthopaedic implants. Clinical use since 1997 demonstrates that this innovative technology provides excellent initial scratch fit and the potential for stable, long-term fixation. No other porous metal material so closely resembles the structure, function and physiology of cancellous bone.
Learn more about Trabecular Metal Technology at tmt.zimmer.com.
Trabecular Metal has a coefficient of friction of .98 against cancellous bone. This produces a good “scratch fit” and increases the material’s initial fixation and stability to bone. Good initial fixation secures the implant in place, allowing time for bone ingrowth.
Trabecular Metal Material had more than 10 years of clinical results and has been used in over 200,000 orthopedic cases worldwide.
The TM-S Fusion Device is a single device manufactured wholly from Trabecular Metal porous tantalum. The device is a trapezoidal shape and is available in a variety of cross-sectional geometries and sizes. It is offered in a 7° included angle option and a 0° included angle option to help maintain the natural contour of the spine.
The superior and inferior surfaces of the device have a textured surface to provide increased stability. It has a central hole extending in the superior-inferior direction for placement of autogenous bone graft. The device also has a small slot on its anterior face for mating with its insertion instrument. The height is measured at the posterior aspect of the device.
These implants are intended for single use only and must not be reused under any circumstances. Surgical instruments are also available to assist in the implantation of the device.
The TM-S Fusion Device is a cervical interbody fusion device indicated for use in skeletally mature patients with degenerative disc disease (DDD) with/without radicular symptoms at one level from C2-T1. DDD is defined as discogenic pain with degeneration of the disc confirmed by history and radiographic studies. These patients should have had six weeks of non-operative treatment. The TM-S device is intended for use with supplemental fixation systems and with autogenous bone graft. The TM-S Fusion Device is implanted via an anterior approach.
The patient must be told that implants can affect the results of
computer tomography (CT) or magnetic resonance imaging (MRI)
11.2. The TM-S Fusion Device has not been evaluated for safety or compatibility in the MR environment.
11.3. The TM-S Fusion Device has not been tested for heating or migration in the MR environment.
As with any surgical procedure, certain complications may result.