Patent 7957790 was granted and assigned to Siemens Aktiengesellschaft on June, 2011 by the United States Patent and Trademark Office.
Catheter for inserting into a hollow organ, in particular a blood vessel, wherein at least one tube- or balloon-like flexural element (12, 12a, . . . , 12l) which can be filled with a filling medium is provided inside the catheter, which flexural element is flexible in the non-pressurized state and stiffens as a result of pressure buildup internally and assumes a predetermined curved shape.