The Journal of Japanese Society of Lumbar Spine Disorders
Online ISSN : 1882-1863
Print ISSN : 1345-9074
ISSN-L : 1345-9074
On-the-strength change of PLLA pin in a human body; molecular weight change of removed material
Toshiyuki NAKAZAWA[in Japanese][in Japanese][in Japanese]
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2003 Volume 9 Issue 1 Pages 107-110

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Abstract

Restorative laminotomy was reinforced using the Polly L-lactic acidpin to adress lumbar canal stenosis. On-the-strength change of the Polly L-lactic acid pin which removed about two cases in which the re-operation was done in postoperative one year, and postoperative four months was considered. Under observation, the two cases did not demonstrate remarkable change. Decomposition was not progressing in comparison with in vitro experimental change in average molecular weight measurement. It is thought that a Polly L-lactic acid pin could expect sufficient initial fixation to facilitate the restoration of the lamina.

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© 2003 The Japanese Society of Lumbar Spine Disorders
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