Crimping method

摘要

A method for crimping a bioabsorbable stent in a humid environment is disclosed.

主权项

1. A method of producing a stent-balloon assembly, comprising:
crimping, with a crimping apparatus, a stent on a balloon of a catheter assembly, wherein
(i) the stent is a bioabsorbable polymeric stent made from a material including a polyester;(ii) the stent has a coating including a bioabsorbable polymer and a drug, the bioabsorbable polymer of the coating including a polyester;(iii) the material of the polymeric stent has a glass transition temperature above 30 deg. C in a dry state and the coating has a glass transition temperature above 30 deg. C in a dry state; and(iv) the crimping is conducted in an environment having a relative humidity of 30% to 80%.