Shape Memory Intervertebral Fixators in the Biomechanical Impairment of the Lumbar Spine

Pope M.H. , Panjabi M. Biomechanical definitions of spinal instability. Spine 1985; 10: 255–6.

Frymoyer J.W. , Selby D.K. Segmental instability. Rationale for treatment. Spine 1985; 10: 280–6.

Pfeiffer M. , Hoffman H. , Goel V.K. , Weinstein J.N. , Griss P. In vitro testing of a new transpedicular stabilization technique. Eur Spine J 1997; 6: 249–55.

Kotani Y. , Cunningham B.W. , Cappuccino A. , Kaneda K. , McAfee P.C. The effects of spinal fixation and destabilization on the biomechanical and histologic properties of spinal ligaments. An in vivo study. Spine 1998; 23: 672–82.

Frymoyer J.W. , ed. The Adult Spine, Principles and Practice, 2nd edn. Lippincott Raven, 1997.

Axelsson P. , Johnsson R. , Stromqvist B. , Arvidsson M. , Herrlin K. Posterolateral lumbar fusion. Outcome of 71 consecutive operations after 4 (2–7) years. Acta Orthop Scand 1994; 65: 309–14.

Aota Y. , Kumano K. , Hirabayashi S: Postfusion instability at the adjacent segments after rigid pedicle screw fixation for degenerative lumbar spinal disorders. J Spinal Disord 1995; 8: 464–73.

Miyakoshi N. , Abe E. , Shimada Y. , Okuyama K. , Suzuki T. , Sato K. Outcome of one-level posterior lumbar interbody fusion for spondylolisthesis and postoperative intervertebral disc degeneration adjacent to the fusion. Spine 2000; 25: 1837–42.

Scifert J.L. , Sairyo K. , Goel V.K. . Stability analysis of an enhanced load sharing posterior fixation device and its equivalent conventional device in a calf spine model. Spine 1999; 24: 2206–13.

Dai K. , Chu Y. Studies and applications of NiTi shape memory alloys in the medical field in China. Biomed Mater Eng 1996; 6: 233–40.

Putters J.L. , Kaulesar Sukul D.M. , de Zeeuw G.R. , Bijma A. , Besselink P.A. Comparative cell culture effects of shape memory metal (Nitinol), nickel and titanium: a biocompatibility estimation. Eur Surg Res 1992; 24: 378–82.

Ryhanen J. , Kallioinen M. , Tuukkanen J. . In vivo biocompatibility evaluation of nickel-titanium shape memory metal alloy: muscle and perineural tissue responses and encapsule membrane thickness. J Biomed Mater Res 1998; 41: 481–8.

Ryhanen J. , Kallioinen M. , Tuukkanen J. . Bone modeling and cell-material interface responses induced by nickel-titanium shape memory alloy after periosteal implantation. Biomaterials 1999; 20: 1309–17.

Kapanen A. , Ryhanen J. , Danilov A. , Tuukkanen J. Effect of nickel-titanium shape memory metal alloy on bone formation. Biomaterials 2001; 22: 2475–80.

Sanders J.O. , Sanders A.E. , More R. , Ashman R.B. A preliminary investigation of shape memory alloys in the surgical correction of scoliosis. Spine 1993; 18: 1640–6.

Mei F. , Ren X. , Wang W. The biomechanical effect and clinical application of a Ni-Ti shape memory expansion clamp. Spine 1997; 22: 2083–8.

Acampora S. , Ambrosio G. , Innocenti G. , Gagliardi F.M. Impianti elastici in Nichel-Titanio, SINch 2000, personal communication.