Temperature controlled crimping

摘要

This disclosure describes a method for crimping a polymeric stent onto a catheter for percutaneous transluminal coronary angioplasty or other intraluminal interventions. The method comprises crimping the stent onto a catheter when the polymer is at a target temperature other than ambient temperature. The polymer can optionally comprise drug(s).

主权项

1. A method of making a medical device comprising:
providing a stent cut from a tubing made of a polymer combination comprising poly(L-lactide); positioning the stent loosely over a catheter; and crimping the positioned stent to secure the stent to athe catheter, wherein the crimping reduces the diameter of the stent,; wherein the temperature of the stent substrate during the crimping is at a temperature between 10° C. belowless than the conventionally measured glass transition temperature for poly(L-lactide) (Tg) and belowgreater than or equal to 10° C. less than Tg.