Scott E. Boatman,Michael C. Hoffa,Kimberly D. Roberts,Darin G. Schaeffer
申请号:
US11547020
公开号:
US09358141B2
申请日:
2005.03.22
申请国别(地区):
US
年份:
2016
代理人:
摘要:
A stent deployment device (110) is provided for deploying a stent in a lumen of a patient. The device can include a catheter (112), a first balloon (122) positioned near a distal end of the catheter and a second balloon (123) adjacent to the first balloon. Alternatively, the second balloon can be positioned over the first balloon. The device also includes an expandable stent (210) positioned over the first balloon and the second balloon. The first balloon comprises a semi-compliant material, a noncompliant material or a compliant material. Similarly, the second balloon comprises a semi-compliant material, a noncompliant material or a compliant material. The first balloon is expandable to a first diameter, while the second balloon can be expandable to a second diameter.