Patent ID: 9586031
Date: 2017-03-07
CPC Classifications: A61B,A61F,A61K,A61L,A61M,A61P

Claim:
1. A catheter for delivering substances to a luminal wall comprising: a catheter body having a proximal end and a distal end; an expandable shell; a scoring structure having a proximal end and a distal end, comprising at least one scoring element disposed near the distal end of the catheter body and over the expandable shell, wherein one of the proximal end and the distal end of the scoring structure is axially slidable relative to the expandable shell; and an active substance carried by the at least one scoring element, wherein the active substance is configured to be delivered to the luminal wall by the scoring element; and wherein one of the proximal end and the distal end of the scoring structure is fixed to the catheter body and the other of the proximal end and the distal end of the scoring structure is axially slidable with respect to the expandable shell.