Shapeable or Steerable Guide Sheaths and Methods for Making and Using Them

摘要: Apparatus and methods are provided for providing access to a body lumen, e.g., deliver pacing lead within patient's heart. The apparatus includes tubular member including proximal end, distal end sized insertion into lumen extending therebetween. An elongate extends from the of member. expandable sheath along at least portion member, being contracted condition facilitate an enlarged wherein partially defines communicating with lumen. A stylet or other shaped element is insertable changing shape tip accessing side branches coronary venous system.