New bioresorbable pin for the reduction of small bony fragments: design, mechanical properties and in vitro degradation.

@article{Claes1996NewBP,
  title={New bioresorbable pin for the reduction of small bony fragments: design, mechanical properties and in vitro degradation.},
  author={Lutz Claes and Anita Ignatius and Klaus Emil Rehm and Cecilia Scholz},
  journal={Biomaterials},
  year={1996},
  volume={17 16},
  pages={
          1621-6
        }
}
The design, material properties, and in vivo degradation characteristics of a new resorbable pin for the reductions of small bony fragments are described. The Polypin, made of 70:30 poly (L, DL-lactide), had an initial bending strength of 155-163 MPa, as measured by a three-point bending test. Ethylene oxide (EO)- and gamma-sterilization did not substantially affect its initial mechanical properties. The initial molecular weight (Mw) of 523,000 to 600,000, however, decreased 60-75% after gamma… CONTINUE READING
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