A NEW COMBINED IMPLANT FOR VENTRAL STABILIZATION OF SPINE
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    Abstract:

    Widespread methods of ventral stabilization of spine have some insufficiencies,particularty in patients with reurological deficit.From our point of view, Biocompatible Osteoconductive Polymer Block (BOP-B)is a good plastic material.It allows to reduce the operation time and to decrease intraoperative trauma.Experimental studies(18 dogs)and clinical experience(24 patients)have shown a high degree of biointegration of this material which can be compared with original bone.Partial loss of deformity correction during the first, months of bone block formation is an insufficiency of this material.Since 1988, 29 patients have been treated with porous TiNi implants,developed in our clinic.Biomechanical characteristics of this material are comparable to those of bone tissue.Loss of deformity correction was minimal, even without external immobilization.In 1993,6 patients have been operated on with the use of a new combined implant,which consists of porous TiNi and BOP-B, and has properties of both these materials.Porous TiNi supports BOP-B during the period of bony block formation.BOP-B,being a bony conductor, at the same time plays the role of a combined implant fixator. The combind implant allows to mobilize a patient immediately after operation,and to conduct all control examinations, including MRI without artifacts.This implant has been successfully used for the stabilization of cervical and thoracolumbar spine.

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S. S. Rabinovich, M. U. Szikov, B. M. Silberstein, A. M. Zaidman. A NEW COMBINED IMPLANT FOR VENTRAL STABILIZATION OF SPINE[J]. Journal of medical biomechanics,1995,10(2):74-80

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