Potentially useful materials for biodegradable ureteric stents

Potentially useful materials for biodegradable ureteric stents

Objectives  To develop and test materials that may be useful in the design and further development of biodegradable ureteric stents. Materials and methods  Specimens of two plastics were placed in artificial urine of different pH for 30 days to examine the degree of dissolution of the plastic in alk...

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Bibliographic Details
Published in:British Journal of Urology Vol. 80; no. 6; pp. 908 - 910
Main Authors: SCHLICK, R.W., PLANZ, K.
Format: Journal Article
Language:English
Published: Oxford, UK Blackwell Science Ltd 01-12-1997
Subjects:
biodegradable
Biodegradation, Environmental
biodissolvable
Humans
Hydrogen-Ion Concentration
Plastics
solution
Stents
Ureter
Ureteric stents
Urinary Catheterization
Urine
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Summary:Objectives  To develop and test materials that may be useful in the design and further development of biodegradable ureteric stents. Materials and methods  Specimens of two plastics were placed in artificial urine of different pH for 30 days to examine the degree of dissolution of the plastic in alkaline and the stability in acidic conditions. Results  The specimens remained stable in the artificial urine at pH <7.0 for 30 days and dissolved completely at a pH≥7 within 48 h. Conclusion  Plastics can be designed which may be useful in the further development of biodegradable ureteric stents. The rate of dissolution could be changed by influencing urinary pH.
ISSN:0007-1331
1464-410X
DOI:10.1046/j.1464-410X.1997.00484.x