Patent ID: 9457171
Filing Date: 2016-10-04
CPC Classification: A61B,A61M

Claim Text:
1. An apparatus, comprising: an inner catheter defining an inner catheter lumen configured to receive a guidewire; an outer catheter defining a first lumen in fluid communication with an opening defined in a side wall at a distal end portion of the outer catheter and configured to introduce a therapeutic agent through the opening and into one or more target arteries, and a second lumen configured to receive at least a portion of the inner catheter; a first port coupled to the outer catheter in fluid communication with the first lumen; a second port coupled to the outer catheter in fluid communication with the second lumen; a first occlusion element coupled to the inner catheter; and a second occlusion element coupled to the outer catheter, the second occlusion element disposed proximal to the first occlusion element, a distance between the first occlusion element and the second occlusion element being adjustable when at least one of the outer catheter and the inner catheter is moved relative to other of the outer catheter and the inner catheter.