Inventors:
Donald E. Laughlin - West Branch IA
Robert F. Wilson - Iowa City IA
Thomas A. Drews - Iowa City IA
Assignee:
University of Iowa Research Foundation - Iowa City IA
International Classification:
A61B 1000
Abstract:
The cardiac catheter of this invention combines in a single, thin tube, an acoustic transducer for determining blood flow velocity, and a separate lumen with a removable, flexible, radio-opaque guide wire, enabling the surgeon to locate the site of arterial blockage, evaluate the blockage, and assess the effect of the treatment.