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:
Feb. 19, 2013
Filed:
Oct. 27, 2003
Cynthia T. Clague, Minnetonka, MN (US);
Scott E. Jahns, Hudson, WI (US);
Paul T. Rothstein, Maple Grove, MN (US);
Thomas P. Daigle, Corcoran, MN (US);
Raymond W. Usher, Coon Rapids, MN (US);
Cynthia T. Clague, Minnetonka, MN (US);
Scott E. Jahns, Hudson, WI (US);
Paul T. Rothstein, Maple Grove, MN (US);
Thomas P. Daigle, Corcoran, MN (US);
Raymond W. Usher, Coon Rapids, MN (US);
Medtronic, Inc., Minneapolis, MN (US);
Abstract
Methods and apparatus employed in surgery involving making precise incisions through body vessel walls, particularly coronary arteries. A body vessel cutting instrument comprises an elongated instrument shaft extending between a shaft proximal end adapted to be manipulated outside the patient's body and a shaft distal end and having a shaft axis and first and second cutting blades supported at the shaft distal end. The first cutting blade extends substantially orthogonally or laterally to the shaft axis and has a first cutting edge extending along a trailing side, a cutting tip at the first cutting blade free end, and an atraumatic blunt surface along the leading side. The second cutting blade has a second cutting edge extending along a leading side, whereby the first and second cutting edges face one another and are brought together to slit a vessel wall.