Publication date 2004 - Basic Science
Heijkants RG, van Calck RV, de Groot JH, Pennings AJ., Schouten AJ, van Tienen TG, Ramrattan N, Buma P, Veth RP

Design, synthesis and properties of a degradable polyurethane scaffold for meniscus regeneration.

Longitudinal lesions in menisci are among the most frequent orthopedic problems of the knee. Repair by simple techniques is only limited to the vascular part of the meniscus. For repair of the avascular part of the meniscus a scaffold, which will assist the body in the formation of new meniscus cell tissue, might be applicable. In this study a biomedical segmented polyurethane with poly(e-caprolactone) as soft segment and 1,4-butanediisocyanateand1,4-butanediolasuniformhardsegmentshasbeensynthesised. The material has a micro phase separated morphology and excellent mechanical properties. A porous scaffold was prepared via a combination of liquid±liquid phase separation and salt leaching. The foams prepared combined a very high interconnectivity and porosity with the desired compression modulus. After six months of implantation in the knees of beagles full ingrowth with cells was obtained and it was found that meniscus like tissue had been formed in the scaffold. Moreover, compression behaviour appeared to be comparable to native meniscus tissue.

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2021 - Clinical Study

A comparison between Polyurethane and Collagen Meniscal Scaffold for Partial Meniscal Defects: Similar positive clinical results at a mean of 10-Years of Follow-up.

Filardo G, Grassi A, Lucidi GA, Poggi A, Reale D, Zaffagnini S
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2003 - Basic Science

A porous polymer scaffold for meniscal lesion repair–a study in dogs.

Buma P, de Groot JH, Heijkants RG, Pennings AJ., Tienen TG, Veth RP
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