Guide extension catheters and methods for manufacturing the same

摘要

Guide extension catheters (100) and methods of manufacturing and using guide extension catheters are disclosed. An example guide extension catheter may include a distal sheath (102) having a proximal opening (114), a distal opening (112), and a central lumen (116) extending therebetween. The guide extension catheter may also include a proximal shaft (104) having an outer diameter smaller than an outer diameter of the distal sheath, the proximal shaft including a distal opening (118). The guide extension catheter may also include a coupling member (106) for securing the distal sheath to the proximal shaft. The coupling member may include a distal portion (108) attached to the distal sheath and a proximal portion (110) disposed within the distal opening of the proximal shaft.