Charles L. Byrd,Kenneth C. Gardeski,Michael R. Leners,Linda L. Lach,Ralph J. Thomas,Jesse T. Torbert,James F. Kelley
申请号：
US10319245
公开号：
US08509916B2
申请日:
2002.12.16
申请国别(地区):
US
年份:
2013
代理人:
摘要：
Bilumen catheters and methods of using same for facilitating implantation of cardiac leads for applying electrical stimulation to and/or sensing electrical activity of the heart through one or more electrode positioned at an implantation site within a heart chamber or cardiac vessel adjacent a heart chamber, and more particularly to a method and apparatus for introducing such a cardiac lead having low torqueability and pushability through a tortuous pathway to enable attachment of the cardiac lead at the implantation site employing a bilumen guide catheter are disclosed. The bilumen catheter body includes a relatively large diameter delivery lumen to introduce a small diameter cardiac lead and a small diameter guide lumen to receive a stylet or guidewire to locate the guide catheter body distal end at the implantation site. The small diameter lumen within a small diameter guide tube extends distally from the delivery exit port of the delivery lumen.
