Marger, Johnson, McCollom & Stolowitz, P.C.
Method for contemporaneous application of laser energy and localized pharmacologic therapy
 A method for contemporaneously applying laser energy and locally delivering pharmacologic therapy to a selected site in a body lumen using a liquid core laser angioscope catheter. The method comprises preparing a solution of a pharmacologic agent, inserting the catheter into the lumen, directing the catheter to the site, transmitting visible light to the site, flowing the light transmissive liquid through the catheter, viewing the site, transmitting laser energy through the liquid filled catheter to treat the site, and introducing a flow of the pharmacologic agent in solution into the catheter for contemporaneous discharge at the distal end into the lumen adjacent the site. 
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Kenton W.
Gregory