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:
Nov. 19, 1991
Filed:
Jan. 18, 1991
Fernando A de Toledo, Concord, MA (US);
Boston Scientific Corporation, Watertown, MA (US);
Abstract
A medical guidewire having a distal tip portion for advancement through a body by application of force to a proximal end portion, comprising: an elongated multi-filar coil structural element, and disposed thereabout and along a substantial portion of the length of the structural element, a sheath formed of material that is non-corrosive within the body, the sheath being adapted to flex in unison with the structural element without kinking, the sheath and structural element in combination having a torque response along the joined length approaching 1:1, thereby allowing control of the distal tip at the guidewire within a body by application of rotational force to the proximal end portion outside the body.