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:
Dec. 09, 1997
Filed:
Mar. 18, 1996
David C Auth, Kirkland, WA (US);
Thomas J Clement, Redmond, WA (US);
Lucas S Gordon, Redmond, WA (US);
Boston Scientific Corporation Northwest Technology Center, Inc., Redmond, WA (US);
Abstract
The invention is an apparatus for breaking up a thrombus by introducing a tating core wire into the thrombus whereby the fibrin of the thrombus will be withdrawn from the thrombus into the rotating core wire, thereby breaking up the network of the thrombus which prevents blood flow. The apparatus includes a drive shaft housing which can be used to withdraw fluid from the area of the thrombus or to introduce medicines, such as streptokinase which will further break up the thrombus or other chemicals such as contrast agents for visualizing the vascular anatomy. The apparatus also includes a shaft housing which is provided with an expanded catheter funnel at the distal end and a venturi insert immediately proximal to the distal end. The apparatus further includes a prime mover which, in addition to rotating the drive shaft, allows for axial motion of the drive shaft relative to the drive shaft housing.