The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 17, 2012
Filed:
Jun. 28, 2007
Leonid Shturman, Nyon, CH;
Leonid Shturman, Nyon, CH;
Lela Nadirashvili, Nyon, CH;
Abstract
A rotational atherectomy device for removing a stenotic tissue () from a vessel () of a patient comprises a flexible hollow drive shaft () and an abrasive element () mounted to the drive shaft proximal to and spaced from a solid support element () mounted at the distal end () of the drive shaft, the solid support element having a rounded outer surface and an outflow channel () with an outflow opening in said rounded outer surface. The drive shaft comprises a torque transmitting coil () and at least one fluid impermeable membrane () forming a fluid impermeable lumen for the antegrade flow (FF) of fluid into the outflow channel such that, during rotation of the drive shaft, a flow of fluid out of said outflow opening forms a fluid bearing between the rotating solid support element and the wall of the treated vessel.