Method of sterilizing polymeric struts and stents

Details Method of sterilizing polymeric struts and stents Method of sterilizing polymeric struts and stents

2011-06-21

2011-06-21

Warden, Jill (Department: 1773)

Chemical apparatus and process disinfecting, deodorizing, preser

Process disinfecting, preserving, deodorizing, or sterilizing

Using direct contact with electrical or electromagnetic...

C422S001000, C422S186050, C250S455110, C250S427000, C250S492100, C250S492300, C604S048000, C604S507000, C604S508000, C623S001100, C623S001500, C206S438000, C206S484000, C206S210000

Reexamination Certificate

active

07964136

ABSTRACT:
It has been determined that gamma sterilization of biodegradable polymer stents does not cause significant polymer cross-linking and collapse. Using sufficient spacing can lead to stents that display little if any detrimental effects from the procedure. In certain embodiments, using structures in the general region of about 100 micron spacing between the struts leads to highly functional stents that do not fuse. Further, the resulting stent has radially homogenous mechanical properties. Therefore, the stent has a uniform expansion within the lumen.

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